Curing reaction of unsaturated (epoxy) polyesters based on different aliphatic glycols
Abstract The cure behavior of the unsaturated (epoxy) polyesters based on different aliphatic glycols with styrene initiated by various types of organic peroxides or the mixture of an acid anhydride/organic peroxide has been studied by means of differential scanning calorimetry. unsaturated polyeste...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Worzakowska, Marta [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2009 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Journal of thermal analysis and calorimetry - Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969, 102(2009), 2 vom: 02. Dez., Seite 745-750 |
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| Übergeordnetes Werk: |
volume:102 ; year:2009 ; number:2 ; day:02 ; month:12 ; pages:745-750 |
| Links: |
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| DOI / URN: |
10.1007/s10973-009-0600-8 |
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| Katalog-ID: |
SPR015321398 |
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| 520 | |a Abstract The cure behavior of the unsaturated (epoxy) polyesters based on different aliphatic glycols with styrene initiated by various types of organic peroxides or the mixture of an acid anhydride/organic peroxide has been studied by means of differential scanning calorimetry. unsaturated polyesters (UP) prepared from cyclohex-4-ene-1,2-dicarboxylic anhydride, maleic anhydride, and suitable aliphatic glycol: ethylene glycol or 1,4-butanediol or 1,6-hexanediol and unsaturated epoxy polyesters (UEP) obtained by chemical modification of UP were dissolved in vinyl monomer (styrene). The styrene solutions of polyesters were subjected to the cure reaction with suitable curing agent. The different organic peroxides: diacyl peroxide: benzoyl peroxide (BPO), dialkyl peroxide: dicumyl peroxide (DCP), and alkyl hydroperoxide: cumene hydroperoxide (CHP) were used. In addition, to cure the UEP, the mixture of the stoichiometric ratio of an acid anhydride (tetrahydrophthalic anhydride or hexahydrophthalic anhydride)/organic peroxide were applied. The curing characteristic such as: temperature of the cure initiation (Tonset), peak maximum temperature (Tmax), final cure temperature (Tend), the heat generated during the cure reaction (ΔH) were evaluated. It has been found that the course of the cure reaction of studied polyesters with styrene significantly depended on their structure and used initiating system. The presence of both carbon–carbon double bonds and epoxy groups in polyester backbone led to obtain more cross-linked materials where the copolymerization, thermal curing of epoxy groups with hydroxyl or carboxyl groups and polyaddition reaction of epoxy to anhydride groups have been expected. The use of BPO allowed to cure the polyesters at relatively lower temperatures with higher exothermic effect compared to DCP and CHP which was directly connected with lower thermal stability and significant higher ΔH values obtained during decomposition of diacyl peroxide used. In addition, the curing exotherm peak of polyesters based on glycol containing more –$ CH_{2} $– units with styrene was shifted to a bit higher temperatures which was probably due to lower molecular mobility of polyester’s chain caused the production of less stiff network structure. | ||
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| 650 | 4 | |a Radical initiators |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Cure reactions |7 (dpeaa)DE-He213 | |
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| 773 | 1 | 8 | |g volume:102 |g year:2009 |g number:2 |g day:02 |g month:12 |g pages:745-750 |
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10.1007/s10973-009-0600-8 doi (DE-627)SPR015321398 (SPR)s10973-009-0600-8-e DE-627 ger DE-627 rakwb eng 660 ASE 35.00 bkl Worzakowska, Marta verfasserin aut Curing reaction of unsaturated (epoxy) polyesters based on different aliphatic glycols 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The cure behavior of the unsaturated (epoxy) polyesters based on different aliphatic glycols with styrene initiated by various types of organic peroxides or the mixture of an acid anhydride/organic peroxide has been studied by means of differential scanning calorimetry. unsaturated polyesters (UP) prepared from cyclohex-4-ene-1,2-dicarboxylic anhydride, maleic anhydride, and suitable aliphatic glycol: ethylene glycol or 1,4-butanediol or 1,6-hexanediol and unsaturated epoxy polyesters (UEP) obtained by chemical modification of UP were dissolved in vinyl monomer (styrene). The styrene solutions of polyesters were subjected to the cure reaction with suitable curing agent. The different organic peroxides: diacyl peroxide: benzoyl peroxide (BPO), dialkyl peroxide: dicumyl peroxide (DCP), and alkyl hydroperoxide: cumene hydroperoxide (CHP) were used. In addition, to cure the UEP, the mixture of the stoichiometric ratio of an acid anhydride (tetrahydrophthalic anhydride or hexahydrophthalic anhydride)/organic peroxide were applied. The curing characteristic such as: temperature of the cure initiation (Tonset), peak maximum temperature (Tmax), final cure temperature (Tend), the heat generated during the cure reaction (ΔH) were evaluated. It has been found that the course of the cure reaction of studied polyesters with styrene significantly depended on their structure and used initiating system. The presence of both carbon–carbon double bonds and epoxy groups in polyester backbone led to obtain more cross-linked materials where the copolymerization, thermal curing of epoxy groups with hydroxyl or carboxyl groups and polyaddition reaction of epoxy to anhydride groups have been expected. The use of BPO allowed to cure the polyesters at relatively lower temperatures with higher exothermic effect compared to DCP and CHP which was directly connected with lower thermal stability and significant higher ΔH values obtained during decomposition of diacyl peroxide used. In addition, the curing exotherm peak of polyesters based on glycol containing more –$ CH_{2} $– units with styrene was shifted to a bit higher temperatures which was probably due to lower molecular mobility of polyester’s chain caused the production of less stiff network structure. Unsaturated polyester (dpeaa)DE-He213 Unsaturated epoxy polyester (dpeaa)DE-He213 DSC (dpeaa)DE-He213 Radical initiators (dpeaa)DE-He213 Cure reactions (dpeaa)DE-He213 Enthalten in Journal of thermal analysis and calorimetry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969 102(2009), 2 vom: 02. Dez., Seite 745-750 (DE-627)315295422 (DE-600)2017304-0 1572-8943 nnns volume:102 year:2009 number:2 day:02 month:12 pages:745-750 https://dx.doi.org/10.1007/s10973-009-0600-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.00 ASE AR 102 2009 2 02 12 745-750 |
| spelling |
10.1007/s10973-009-0600-8 doi (DE-627)SPR015321398 (SPR)s10973-009-0600-8-e DE-627 ger DE-627 rakwb eng 660 ASE 35.00 bkl Worzakowska, Marta verfasserin aut Curing reaction of unsaturated (epoxy) polyesters based on different aliphatic glycols 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The cure behavior of the unsaturated (epoxy) polyesters based on different aliphatic glycols with styrene initiated by various types of organic peroxides or the mixture of an acid anhydride/organic peroxide has been studied by means of differential scanning calorimetry. unsaturated polyesters (UP) prepared from cyclohex-4-ene-1,2-dicarboxylic anhydride, maleic anhydride, and suitable aliphatic glycol: ethylene glycol or 1,4-butanediol or 1,6-hexanediol and unsaturated epoxy polyesters (UEP) obtained by chemical modification of UP were dissolved in vinyl monomer (styrene). The styrene solutions of polyesters were subjected to the cure reaction with suitable curing agent. The different organic peroxides: diacyl peroxide: benzoyl peroxide (BPO), dialkyl peroxide: dicumyl peroxide (DCP), and alkyl hydroperoxide: cumene hydroperoxide (CHP) were used. In addition, to cure the UEP, the mixture of the stoichiometric ratio of an acid anhydride (tetrahydrophthalic anhydride or hexahydrophthalic anhydride)/organic peroxide were applied. The curing characteristic such as: temperature of the cure initiation (Tonset), peak maximum temperature (Tmax), final cure temperature (Tend), the heat generated during the cure reaction (ΔH) were evaluated. It has been found that the course of the cure reaction of studied polyesters with styrene significantly depended on their structure and used initiating system. The presence of both carbon–carbon double bonds and epoxy groups in polyester backbone led to obtain more cross-linked materials where the copolymerization, thermal curing of epoxy groups with hydroxyl or carboxyl groups and polyaddition reaction of epoxy to anhydride groups have been expected. The use of BPO allowed to cure the polyesters at relatively lower temperatures with higher exothermic effect compared to DCP and CHP which was directly connected with lower thermal stability and significant higher ΔH values obtained during decomposition of diacyl peroxide used. In addition, the curing exotherm peak of polyesters based on glycol containing more –$ CH_{2} $– units with styrene was shifted to a bit higher temperatures which was probably due to lower molecular mobility of polyester’s chain caused the production of less stiff network structure. Unsaturated polyester (dpeaa)DE-He213 Unsaturated epoxy polyester (dpeaa)DE-He213 DSC (dpeaa)DE-He213 Radical initiators (dpeaa)DE-He213 Cure reactions (dpeaa)DE-He213 Enthalten in Journal of thermal analysis and calorimetry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969 102(2009), 2 vom: 02. Dez., Seite 745-750 (DE-627)315295422 (DE-600)2017304-0 1572-8943 nnns volume:102 year:2009 number:2 day:02 month:12 pages:745-750 https://dx.doi.org/10.1007/s10973-009-0600-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.00 ASE AR 102 2009 2 02 12 745-750 |
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10.1007/s10973-009-0600-8 doi (DE-627)SPR015321398 (SPR)s10973-009-0600-8-e DE-627 ger DE-627 rakwb eng 660 ASE 35.00 bkl Worzakowska, Marta verfasserin aut Curing reaction of unsaturated (epoxy) polyesters based on different aliphatic glycols 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The cure behavior of the unsaturated (epoxy) polyesters based on different aliphatic glycols with styrene initiated by various types of organic peroxides or the mixture of an acid anhydride/organic peroxide has been studied by means of differential scanning calorimetry. unsaturated polyesters (UP) prepared from cyclohex-4-ene-1,2-dicarboxylic anhydride, maleic anhydride, and suitable aliphatic glycol: ethylene glycol or 1,4-butanediol or 1,6-hexanediol and unsaturated epoxy polyesters (UEP) obtained by chemical modification of UP were dissolved in vinyl monomer (styrene). The styrene solutions of polyesters were subjected to the cure reaction with suitable curing agent. The different organic peroxides: diacyl peroxide: benzoyl peroxide (BPO), dialkyl peroxide: dicumyl peroxide (DCP), and alkyl hydroperoxide: cumene hydroperoxide (CHP) were used. In addition, to cure the UEP, the mixture of the stoichiometric ratio of an acid anhydride (tetrahydrophthalic anhydride or hexahydrophthalic anhydride)/organic peroxide were applied. The curing characteristic such as: temperature of the cure initiation (Tonset), peak maximum temperature (Tmax), final cure temperature (Tend), the heat generated during the cure reaction (ΔH) were evaluated. It has been found that the course of the cure reaction of studied polyesters with styrene significantly depended on their structure and used initiating system. The presence of both carbon–carbon double bonds and epoxy groups in polyester backbone led to obtain more cross-linked materials where the copolymerization, thermal curing of epoxy groups with hydroxyl or carboxyl groups and polyaddition reaction of epoxy to anhydride groups have been expected. The use of BPO allowed to cure the polyesters at relatively lower temperatures with higher exothermic effect compared to DCP and CHP which was directly connected with lower thermal stability and significant higher ΔH values obtained during decomposition of diacyl peroxide used. In addition, the curing exotherm peak of polyesters based on glycol containing more –$ CH_{2} $– units with styrene was shifted to a bit higher temperatures which was probably due to lower molecular mobility of polyester’s chain caused the production of less stiff network structure. Unsaturated polyester (dpeaa)DE-He213 Unsaturated epoxy polyester (dpeaa)DE-He213 DSC (dpeaa)DE-He213 Radical initiators (dpeaa)DE-He213 Cure reactions (dpeaa)DE-He213 Enthalten in Journal of thermal analysis and calorimetry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969 102(2009), 2 vom: 02. Dez., Seite 745-750 (DE-627)315295422 (DE-600)2017304-0 1572-8943 nnns volume:102 year:2009 number:2 day:02 month:12 pages:745-750 https://dx.doi.org/10.1007/s10973-009-0600-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.00 ASE AR 102 2009 2 02 12 745-750 |
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10.1007/s10973-009-0600-8 doi (DE-627)SPR015321398 (SPR)s10973-009-0600-8-e DE-627 ger DE-627 rakwb eng 660 ASE 35.00 bkl Worzakowska, Marta verfasserin aut Curing reaction of unsaturated (epoxy) polyesters based on different aliphatic glycols 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The cure behavior of the unsaturated (epoxy) polyesters based on different aliphatic glycols with styrene initiated by various types of organic peroxides or the mixture of an acid anhydride/organic peroxide has been studied by means of differential scanning calorimetry. unsaturated polyesters (UP) prepared from cyclohex-4-ene-1,2-dicarboxylic anhydride, maleic anhydride, and suitable aliphatic glycol: ethylene glycol or 1,4-butanediol or 1,6-hexanediol and unsaturated epoxy polyesters (UEP) obtained by chemical modification of UP were dissolved in vinyl monomer (styrene). The styrene solutions of polyesters were subjected to the cure reaction with suitable curing agent. The different organic peroxides: diacyl peroxide: benzoyl peroxide (BPO), dialkyl peroxide: dicumyl peroxide (DCP), and alkyl hydroperoxide: cumene hydroperoxide (CHP) were used. In addition, to cure the UEP, the mixture of the stoichiometric ratio of an acid anhydride (tetrahydrophthalic anhydride or hexahydrophthalic anhydride)/organic peroxide were applied. The curing characteristic such as: temperature of the cure initiation (Tonset), peak maximum temperature (Tmax), final cure temperature (Tend), the heat generated during the cure reaction (ΔH) were evaluated. It has been found that the course of the cure reaction of studied polyesters with styrene significantly depended on their structure and used initiating system. The presence of both carbon–carbon double bonds and epoxy groups in polyester backbone led to obtain more cross-linked materials where the copolymerization, thermal curing of epoxy groups with hydroxyl or carboxyl groups and polyaddition reaction of epoxy to anhydride groups have been expected. The use of BPO allowed to cure the polyesters at relatively lower temperatures with higher exothermic effect compared to DCP and CHP which was directly connected with lower thermal stability and significant higher ΔH values obtained during decomposition of diacyl peroxide used. In addition, the curing exotherm peak of polyesters based on glycol containing more –$ CH_{2} $– units with styrene was shifted to a bit higher temperatures which was probably due to lower molecular mobility of polyester’s chain caused the production of less stiff network structure. Unsaturated polyester (dpeaa)DE-He213 Unsaturated epoxy polyester (dpeaa)DE-He213 DSC (dpeaa)DE-He213 Radical initiators (dpeaa)DE-He213 Cure reactions (dpeaa)DE-He213 Enthalten in Journal of thermal analysis and calorimetry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969 102(2009), 2 vom: 02. Dez., Seite 745-750 (DE-627)315295422 (DE-600)2017304-0 1572-8943 nnns volume:102 year:2009 number:2 day:02 month:12 pages:745-750 https://dx.doi.org/10.1007/s10973-009-0600-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.00 ASE AR 102 2009 2 02 12 745-750 |
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10.1007/s10973-009-0600-8 doi (DE-627)SPR015321398 (SPR)s10973-009-0600-8-e DE-627 ger DE-627 rakwb eng 660 ASE 35.00 bkl Worzakowska, Marta verfasserin aut Curing reaction of unsaturated (epoxy) polyesters based on different aliphatic glycols 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The cure behavior of the unsaturated (epoxy) polyesters based on different aliphatic glycols with styrene initiated by various types of organic peroxides or the mixture of an acid anhydride/organic peroxide has been studied by means of differential scanning calorimetry. unsaturated polyesters (UP) prepared from cyclohex-4-ene-1,2-dicarboxylic anhydride, maleic anhydride, and suitable aliphatic glycol: ethylene glycol or 1,4-butanediol or 1,6-hexanediol and unsaturated epoxy polyesters (UEP) obtained by chemical modification of UP were dissolved in vinyl monomer (styrene). The styrene solutions of polyesters were subjected to the cure reaction with suitable curing agent. The different organic peroxides: diacyl peroxide: benzoyl peroxide (BPO), dialkyl peroxide: dicumyl peroxide (DCP), and alkyl hydroperoxide: cumene hydroperoxide (CHP) were used. In addition, to cure the UEP, the mixture of the stoichiometric ratio of an acid anhydride (tetrahydrophthalic anhydride or hexahydrophthalic anhydride)/organic peroxide were applied. The curing characteristic such as: temperature of the cure initiation (Tonset), peak maximum temperature (Tmax), final cure temperature (Tend), the heat generated during the cure reaction (ΔH) were evaluated. It has been found that the course of the cure reaction of studied polyesters with styrene significantly depended on their structure and used initiating system. The presence of both carbon–carbon double bonds and epoxy groups in polyester backbone led to obtain more cross-linked materials where the copolymerization, thermal curing of epoxy groups with hydroxyl or carboxyl groups and polyaddition reaction of epoxy to anhydride groups have been expected. The use of BPO allowed to cure the polyesters at relatively lower temperatures with higher exothermic effect compared to DCP and CHP which was directly connected with lower thermal stability and significant higher ΔH values obtained during decomposition of diacyl peroxide used. In addition, the curing exotherm peak of polyesters based on glycol containing more –$ CH_{2} $– units with styrene was shifted to a bit higher temperatures which was probably due to lower molecular mobility of polyester’s chain caused the production of less stiff network structure. Unsaturated polyester (dpeaa)DE-He213 Unsaturated epoxy polyester (dpeaa)DE-He213 DSC (dpeaa)DE-He213 Radical initiators (dpeaa)DE-He213 Cure reactions (dpeaa)DE-He213 Enthalten in Journal of thermal analysis and calorimetry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969 102(2009), 2 vom: 02. Dez., Seite 745-750 (DE-627)315295422 (DE-600)2017304-0 1572-8943 nnns volume:102 year:2009 number:2 day:02 month:12 pages:745-750 https://dx.doi.org/10.1007/s10973-009-0600-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.00 ASE AR 102 2009 2 02 12 745-750 |
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English |
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Enthalten in Journal of thermal analysis and calorimetry 102(2009), 2 vom: 02. Dez., Seite 745-750 volume:102 year:2009 number:2 day:02 month:12 pages:745-750 |
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Enthalten in Journal of thermal analysis and calorimetry 102(2009), 2 vom: 02. Dez., Seite 745-750 volume:102 year:2009 number:2 day:02 month:12 pages:745-750 |
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Unsaturated polyester Unsaturated epoxy polyester DSC Radical initiators Cure reactions |
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Journal of thermal analysis and calorimetry |
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Worzakowska, Marta @@aut@@ |
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2009-12-02T00:00:00Z |
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The styrene solutions of polyesters were subjected to the cure reaction with suitable curing agent. The different organic peroxides: diacyl peroxide: benzoyl peroxide (BPO), dialkyl peroxide: dicumyl peroxide (DCP), and alkyl hydroperoxide: cumene hydroperoxide (CHP) were used. In addition, to cure the UEP, the mixture of the stoichiometric ratio of an acid anhydride (tetrahydrophthalic anhydride or hexahydrophthalic anhydride)/organic peroxide were applied. The curing characteristic such as: temperature of the cure initiation (Tonset), peak maximum temperature (Tmax), final cure temperature (Tend), the heat generated during the cure reaction (ΔH) were evaluated. It has been found that the course of the cure reaction of studied polyesters with styrene significantly depended on their structure and used initiating system. The presence of both carbon–carbon double bonds and epoxy groups in polyester backbone led to obtain more cross-linked materials where the copolymerization, thermal curing of epoxy groups with hydroxyl or carboxyl groups and polyaddition reaction of epoxy to anhydride groups have been expected. The use of BPO allowed to cure the polyesters at relatively lower temperatures with higher exothermic effect compared to DCP and CHP which was directly connected with lower thermal stability and significant higher ΔH values obtained during decomposition of diacyl peroxide used. In addition, the curing exotherm peak of polyesters based on glycol containing more –$ CH_{2} $– units with styrene was shifted to a bit higher temperatures which was probably due to lower molecular mobility of polyester’s chain caused the production of less stiff network structure.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Unsaturated polyester</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Unsaturated epoxy polyester</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">DSC</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Radical initiators</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Cure reactions</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Journal of thermal analysis and calorimetry</subfield><subfield code="d">Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969</subfield><subfield code="g">102(2009), 2 vom: 02. 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Worzakowska, Marta |
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Worzakowska, Marta ddc 660 bkl 35.00 misc Unsaturated polyester misc Unsaturated epoxy polyester misc DSC misc Radical initiators misc Cure reactions Curing reaction of unsaturated (epoxy) polyesters based on different aliphatic glycols |
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660 ASE 35.00 bkl Curing reaction of unsaturated (epoxy) polyesters based on different aliphatic glycols Unsaturated polyester (dpeaa)DE-He213 Unsaturated epoxy polyester (dpeaa)DE-He213 DSC (dpeaa)DE-He213 Radical initiators (dpeaa)DE-He213 Cure reactions (dpeaa)DE-He213 |
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ddc 660 bkl 35.00 misc Unsaturated polyester misc Unsaturated epoxy polyester misc DSC misc Radical initiators misc Cure reactions |
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ddc 660 bkl 35.00 misc Unsaturated polyester misc Unsaturated epoxy polyester misc DSC misc Radical initiators misc Cure reactions |
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ddc 660 bkl 35.00 misc Unsaturated polyester misc Unsaturated epoxy polyester misc DSC misc Radical initiators misc Cure reactions |
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Curing reaction of unsaturated (epoxy) polyesters based on different aliphatic glycols |
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Curing reaction of unsaturated (epoxy) polyesters based on different aliphatic glycols |
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Worzakowska, Marta |
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Journal of thermal analysis and calorimetry |
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Elektronische Aufsätze |
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Worzakowska, Marta |
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curing reaction of unsaturated (epoxy) polyesters based on different aliphatic glycols |
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Curing reaction of unsaturated (epoxy) polyesters based on different aliphatic glycols |
| abstract |
Abstract The cure behavior of the unsaturated (epoxy) polyesters based on different aliphatic glycols with styrene initiated by various types of organic peroxides or the mixture of an acid anhydride/organic peroxide has been studied by means of differential scanning calorimetry. unsaturated polyesters (UP) prepared from cyclohex-4-ene-1,2-dicarboxylic anhydride, maleic anhydride, and suitable aliphatic glycol: ethylene glycol or 1,4-butanediol or 1,6-hexanediol and unsaturated epoxy polyesters (UEP) obtained by chemical modification of UP were dissolved in vinyl monomer (styrene). The styrene solutions of polyesters were subjected to the cure reaction with suitable curing agent. The different organic peroxides: diacyl peroxide: benzoyl peroxide (BPO), dialkyl peroxide: dicumyl peroxide (DCP), and alkyl hydroperoxide: cumene hydroperoxide (CHP) were used. In addition, to cure the UEP, the mixture of the stoichiometric ratio of an acid anhydride (tetrahydrophthalic anhydride or hexahydrophthalic anhydride)/organic peroxide were applied. The curing characteristic such as: temperature of the cure initiation (Tonset), peak maximum temperature (Tmax), final cure temperature (Tend), the heat generated during the cure reaction (ΔH) were evaluated. It has been found that the course of the cure reaction of studied polyesters with styrene significantly depended on their structure and used initiating system. The presence of both carbon–carbon double bonds and epoxy groups in polyester backbone led to obtain more cross-linked materials where the copolymerization, thermal curing of epoxy groups with hydroxyl or carboxyl groups and polyaddition reaction of epoxy to anhydride groups have been expected. The use of BPO allowed to cure the polyesters at relatively lower temperatures with higher exothermic effect compared to DCP and CHP which was directly connected with lower thermal stability and significant higher ΔH values obtained during decomposition of diacyl peroxide used. In addition, the curing exotherm peak of polyesters based on glycol containing more –$ CH_{2} $– units with styrene was shifted to a bit higher temperatures which was probably due to lower molecular mobility of polyester’s chain caused the production of less stiff network structure. |
| abstractGer |
Abstract The cure behavior of the unsaturated (epoxy) polyesters based on different aliphatic glycols with styrene initiated by various types of organic peroxides or the mixture of an acid anhydride/organic peroxide has been studied by means of differential scanning calorimetry. unsaturated polyesters (UP) prepared from cyclohex-4-ene-1,2-dicarboxylic anhydride, maleic anhydride, and suitable aliphatic glycol: ethylene glycol or 1,4-butanediol or 1,6-hexanediol and unsaturated epoxy polyesters (UEP) obtained by chemical modification of UP were dissolved in vinyl monomer (styrene). The styrene solutions of polyesters were subjected to the cure reaction with suitable curing agent. The different organic peroxides: diacyl peroxide: benzoyl peroxide (BPO), dialkyl peroxide: dicumyl peroxide (DCP), and alkyl hydroperoxide: cumene hydroperoxide (CHP) were used. In addition, to cure the UEP, the mixture of the stoichiometric ratio of an acid anhydride (tetrahydrophthalic anhydride or hexahydrophthalic anhydride)/organic peroxide were applied. The curing characteristic such as: temperature of the cure initiation (Tonset), peak maximum temperature (Tmax), final cure temperature (Tend), the heat generated during the cure reaction (ΔH) were evaluated. It has been found that the course of the cure reaction of studied polyesters with styrene significantly depended on their structure and used initiating system. The presence of both carbon–carbon double bonds and epoxy groups in polyester backbone led to obtain more cross-linked materials where the copolymerization, thermal curing of epoxy groups with hydroxyl or carboxyl groups and polyaddition reaction of epoxy to anhydride groups have been expected. The use of BPO allowed to cure the polyesters at relatively lower temperatures with higher exothermic effect compared to DCP and CHP which was directly connected with lower thermal stability and significant higher ΔH values obtained during decomposition of diacyl peroxide used. In addition, the curing exotherm peak of polyesters based on glycol containing more –$ CH_{2} $– units with styrene was shifted to a bit higher temperatures which was probably due to lower molecular mobility of polyester’s chain caused the production of less stiff network structure. |
| abstract_unstemmed |
Abstract The cure behavior of the unsaturated (epoxy) polyesters based on different aliphatic glycols with styrene initiated by various types of organic peroxides or the mixture of an acid anhydride/organic peroxide has been studied by means of differential scanning calorimetry. unsaturated polyesters (UP) prepared from cyclohex-4-ene-1,2-dicarboxylic anhydride, maleic anhydride, and suitable aliphatic glycol: ethylene glycol or 1,4-butanediol or 1,6-hexanediol and unsaturated epoxy polyesters (UEP) obtained by chemical modification of UP were dissolved in vinyl monomer (styrene). The styrene solutions of polyesters were subjected to the cure reaction with suitable curing agent. The different organic peroxides: diacyl peroxide: benzoyl peroxide (BPO), dialkyl peroxide: dicumyl peroxide (DCP), and alkyl hydroperoxide: cumene hydroperoxide (CHP) were used. In addition, to cure the UEP, the mixture of the stoichiometric ratio of an acid anhydride (tetrahydrophthalic anhydride or hexahydrophthalic anhydride)/organic peroxide were applied. The curing characteristic such as: temperature of the cure initiation (Tonset), peak maximum temperature (Tmax), final cure temperature (Tend), the heat generated during the cure reaction (ΔH) were evaluated. It has been found that the course of the cure reaction of studied polyesters with styrene significantly depended on their structure and used initiating system. The presence of both carbon–carbon double bonds and epoxy groups in polyester backbone led to obtain more cross-linked materials where the copolymerization, thermal curing of epoxy groups with hydroxyl or carboxyl groups and polyaddition reaction of epoxy to anhydride groups have been expected. The use of BPO allowed to cure the polyesters at relatively lower temperatures with higher exothermic effect compared to DCP and CHP which was directly connected with lower thermal stability and significant higher ΔH values obtained during decomposition of diacyl peroxide used. In addition, the curing exotherm peak of polyesters based on glycol containing more –$ CH_{2} $– units with styrene was shifted to a bit higher temperatures which was probably due to lower molecular mobility of polyester’s chain caused the production of less stiff network structure. |
| collection_details |
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| container_issue |
2 |
| title_short |
Curing reaction of unsaturated (epoxy) polyesters based on different aliphatic glycols |
| url |
https://dx.doi.org/10.1007/s10973-009-0600-8 |
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| doi_str |
10.1007/s10973-009-0600-8 |
| up_date |
2024-07-03T15:27:07.186Z |
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| score |
7.401165 |