Thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber
Abstract High cis-polybutadiene (HCBR) was epoxidized by using in situ formed formic acid and hydrogen peroxide in the absence and presence of Tween 20 at 50 °C at different reaction times. Epoxidized HCBR (EHCBR) with degree of epoxidation from 3.7 to 38.8% was obtained. Low degree epoxidation EHCB...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Dias, Marcos L. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019 |
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| Schlagwörter: |
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| Anmerkung: |
© The Malaysian Rubber Board 2019 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of rubber research - [Singapore] : Springer Singapore, 2019, 22(2019), 4 vom: 02. Nov., Seite 195-201 |
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| Übergeordnetes Werk: |
volume:22 ; year:2019 ; number:4 ; day:02 ; month:11 ; pages:195-201 |
| Links: |
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| DOI / URN: |
10.1007/s42464-019-00028-5 |
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| Katalog-ID: |
SPR038602695 |
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| 100 | 1 | |a Dias, Marcos L. |e verfasserin |0 (orcid)0000-0003-1891-7530 |4 aut | |
| 245 | 1 | 0 | |a Thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber |
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| 520 | |a Abstract High cis-polybutadiene (HCBR) was epoxidized by using in situ formed formic acid and hydrogen peroxide in the absence and presence of Tween 20 at 50 °C at different reaction times. Epoxidized HCBR (EHCBR) with degree of epoxidation from 3.7 to 38.8% was obtained. Low degree epoxidation EHCBR are semi-crystalline rubbers presenting lower crystallization temperatures than the non-epoxidized rubber on cooling and a cold crystallization and melting temperature on heating, differently from high epoxidation content rubbers (over 10%) which are amorphous materials. Epoxidation increases the glass transition temperature and decreases the melting temperature and the degree of crystallinity of the polybutadiene. The increase of epoxidation also decreases its thermal stability, which drops about 28 °C when the content of epoxidation is increased about 30%. Non-isothermal crystallization experiments of HCBR and EHCBR were systematically carried out at cooling rates of 5, 10, 20, and 30 °C/min to evaluate the crystallinity developed upon cooling. By increasing the cooling rate, the crystallization enthalpy increases for HCBR while it decreases for EHCBR. | ||
| 650 | 4 | |a Epoxidized rubber |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Polybutadiene |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a High |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Epoxidation |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Crystallization |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Schoene, Frederico A. P. |4 aut | |
| 700 | 1 | |a Ramirez, Camila |4 aut | |
| 700 | 1 | |a Graciano, Isabela A. |4 aut | |
| 700 | 1 | |a Sirelli, Lys |4 aut | |
| 700 | 1 | |a Gonçalves, Raquel P. |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Journal of rubber research |d [Singapore] : Springer Singapore, 2019 |g 22(2019), 4 vom: 02. Nov., Seite 195-201 |w (DE-627)1049383931 |w (DE-600)2963165-8 |x 2524-3993 |7 nnns |
| 773 | 1 | 8 | |g volume:22 |g year:2019 |g number:4 |g day:02 |g month:11 |g pages:195-201 |
| 856 | 4 | 0 | |u https://dx.doi.org/10.1007/s42464-019-00028-5 |z lizenzpflichtig |3 Volltext |
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10.1007/s42464-019-00028-5 doi (DE-627)SPR038602695 (SPR)s42464-019-00028-5-e DE-627 ger DE-627 rakwb eng Dias, Marcos L. verfasserin (orcid)0000-0003-1891-7530 aut Thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Malaysian Rubber Board 2019 Abstract High cis-polybutadiene (HCBR) was epoxidized by using in situ formed formic acid and hydrogen peroxide in the absence and presence of Tween 20 at 50 °C at different reaction times. Epoxidized HCBR (EHCBR) with degree of epoxidation from 3.7 to 38.8% was obtained. Low degree epoxidation EHCBR are semi-crystalline rubbers presenting lower crystallization temperatures than the non-epoxidized rubber on cooling and a cold crystallization and melting temperature on heating, differently from high epoxidation content rubbers (over 10%) which are amorphous materials. Epoxidation increases the glass transition temperature and decreases the melting temperature and the degree of crystallinity of the polybutadiene. The increase of epoxidation also decreases its thermal stability, which drops about 28 °C when the content of epoxidation is increased about 30%. Non-isothermal crystallization experiments of HCBR and EHCBR were systematically carried out at cooling rates of 5, 10, 20, and 30 °C/min to evaluate the crystallinity developed upon cooling. By increasing the cooling rate, the crystallization enthalpy increases for HCBR while it decreases for EHCBR. Epoxidized rubber (dpeaa)DE-He213 Polybutadiene (dpeaa)DE-He213 High (dpeaa)DE-He213 Epoxidation (dpeaa)DE-He213 Crystallization (dpeaa)DE-He213 Schoene, Frederico A. P. aut Ramirez, Camila aut Graciano, Isabela A. aut Sirelli, Lys aut Gonçalves, Raquel P. aut Enthalten in Journal of rubber research [Singapore] : Springer Singapore, 2019 22(2019), 4 vom: 02. Nov., Seite 195-201 (DE-627)1049383931 (DE-600)2963165-8 2524-3993 nnns volume:22 year:2019 number:4 day:02 month:11 pages:195-201 https://dx.doi.org/10.1007/s42464-019-00028-5 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_65 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_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 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_2118 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_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 22 2019 4 02 11 195-201 |
| spelling |
10.1007/s42464-019-00028-5 doi (DE-627)SPR038602695 (SPR)s42464-019-00028-5-e DE-627 ger DE-627 rakwb eng Dias, Marcos L. verfasserin (orcid)0000-0003-1891-7530 aut Thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Malaysian Rubber Board 2019 Abstract High cis-polybutadiene (HCBR) was epoxidized by using in situ formed formic acid and hydrogen peroxide in the absence and presence of Tween 20 at 50 °C at different reaction times. Epoxidized HCBR (EHCBR) with degree of epoxidation from 3.7 to 38.8% was obtained. Low degree epoxidation EHCBR are semi-crystalline rubbers presenting lower crystallization temperatures than the non-epoxidized rubber on cooling and a cold crystallization and melting temperature on heating, differently from high epoxidation content rubbers (over 10%) which are amorphous materials. Epoxidation increases the glass transition temperature and decreases the melting temperature and the degree of crystallinity of the polybutadiene. The increase of epoxidation also decreases its thermal stability, which drops about 28 °C when the content of epoxidation is increased about 30%. Non-isothermal crystallization experiments of HCBR and EHCBR were systematically carried out at cooling rates of 5, 10, 20, and 30 °C/min to evaluate the crystallinity developed upon cooling. By increasing the cooling rate, the crystallization enthalpy increases for HCBR while it decreases for EHCBR. Epoxidized rubber (dpeaa)DE-He213 Polybutadiene (dpeaa)DE-He213 High (dpeaa)DE-He213 Epoxidation (dpeaa)DE-He213 Crystallization (dpeaa)DE-He213 Schoene, Frederico A. P. aut Ramirez, Camila aut Graciano, Isabela A. aut Sirelli, Lys aut Gonçalves, Raquel P. aut Enthalten in Journal of rubber research [Singapore] : Springer Singapore, 2019 22(2019), 4 vom: 02. Nov., Seite 195-201 (DE-627)1049383931 (DE-600)2963165-8 2524-3993 nnns volume:22 year:2019 number:4 day:02 month:11 pages:195-201 https://dx.doi.org/10.1007/s42464-019-00028-5 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_65 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_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 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_2118 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_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 22 2019 4 02 11 195-201 |
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10.1007/s42464-019-00028-5 doi (DE-627)SPR038602695 (SPR)s42464-019-00028-5-e DE-627 ger DE-627 rakwb eng Dias, Marcos L. verfasserin (orcid)0000-0003-1891-7530 aut Thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Malaysian Rubber Board 2019 Abstract High cis-polybutadiene (HCBR) was epoxidized by using in situ formed formic acid and hydrogen peroxide in the absence and presence of Tween 20 at 50 °C at different reaction times. Epoxidized HCBR (EHCBR) with degree of epoxidation from 3.7 to 38.8% was obtained. Low degree epoxidation EHCBR are semi-crystalline rubbers presenting lower crystallization temperatures than the non-epoxidized rubber on cooling and a cold crystallization and melting temperature on heating, differently from high epoxidation content rubbers (over 10%) which are amorphous materials. Epoxidation increases the glass transition temperature and decreases the melting temperature and the degree of crystallinity of the polybutadiene. The increase of epoxidation also decreases its thermal stability, which drops about 28 °C when the content of epoxidation is increased about 30%. Non-isothermal crystallization experiments of HCBR and EHCBR were systematically carried out at cooling rates of 5, 10, 20, and 30 °C/min to evaluate the crystallinity developed upon cooling. By increasing the cooling rate, the crystallization enthalpy increases for HCBR while it decreases for EHCBR. Epoxidized rubber (dpeaa)DE-He213 Polybutadiene (dpeaa)DE-He213 High (dpeaa)DE-He213 Epoxidation (dpeaa)DE-He213 Crystallization (dpeaa)DE-He213 Schoene, Frederico A. P. aut Ramirez, Camila aut Graciano, Isabela A. aut Sirelli, Lys aut Gonçalves, Raquel P. aut Enthalten in Journal of rubber research [Singapore] : Springer Singapore, 2019 22(2019), 4 vom: 02. Nov., Seite 195-201 (DE-627)1049383931 (DE-600)2963165-8 2524-3993 nnns volume:22 year:2019 number:4 day:02 month:11 pages:195-201 https://dx.doi.org/10.1007/s42464-019-00028-5 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_65 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_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 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_2118 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_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 22 2019 4 02 11 195-201 |
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10.1007/s42464-019-00028-5 doi (DE-627)SPR038602695 (SPR)s42464-019-00028-5-e DE-627 ger DE-627 rakwb eng Dias, Marcos L. verfasserin (orcid)0000-0003-1891-7530 aut Thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Malaysian Rubber Board 2019 Abstract High cis-polybutadiene (HCBR) was epoxidized by using in situ formed formic acid and hydrogen peroxide in the absence and presence of Tween 20 at 50 °C at different reaction times. Epoxidized HCBR (EHCBR) with degree of epoxidation from 3.7 to 38.8% was obtained. Low degree epoxidation EHCBR are semi-crystalline rubbers presenting lower crystallization temperatures than the non-epoxidized rubber on cooling and a cold crystallization and melting temperature on heating, differently from high epoxidation content rubbers (over 10%) which are amorphous materials. Epoxidation increases the glass transition temperature and decreases the melting temperature and the degree of crystallinity of the polybutadiene. The increase of epoxidation also decreases its thermal stability, which drops about 28 °C when the content of epoxidation is increased about 30%. Non-isothermal crystallization experiments of HCBR and EHCBR were systematically carried out at cooling rates of 5, 10, 20, and 30 °C/min to evaluate the crystallinity developed upon cooling. By increasing the cooling rate, the crystallization enthalpy increases for HCBR while it decreases for EHCBR. Epoxidized rubber (dpeaa)DE-He213 Polybutadiene (dpeaa)DE-He213 High (dpeaa)DE-He213 Epoxidation (dpeaa)DE-He213 Crystallization (dpeaa)DE-He213 Schoene, Frederico A. P. aut Ramirez, Camila aut Graciano, Isabela A. aut Sirelli, Lys aut Gonçalves, Raquel P. aut Enthalten in Journal of rubber research [Singapore] : Springer Singapore, 2019 22(2019), 4 vom: 02. Nov., Seite 195-201 (DE-627)1049383931 (DE-600)2963165-8 2524-3993 nnns volume:22 year:2019 number:4 day:02 month:11 pages:195-201 https://dx.doi.org/10.1007/s42464-019-00028-5 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_65 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_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 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_2118 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_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 22 2019 4 02 11 195-201 |
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10.1007/s42464-019-00028-5 doi (DE-627)SPR038602695 (SPR)s42464-019-00028-5-e DE-627 ger DE-627 rakwb eng Dias, Marcos L. verfasserin (orcid)0000-0003-1891-7530 aut Thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Malaysian Rubber Board 2019 Abstract High cis-polybutadiene (HCBR) was epoxidized by using in situ formed formic acid and hydrogen peroxide in the absence and presence of Tween 20 at 50 °C at different reaction times. Epoxidized HCBR (EHCBR) with degree of epoxidation from 3.7 to 38.8% was obtained. Low degree epoxidation EHCBR are semi-crystalline rubbers presenting lower crystallization temperatures than the non-epoxidized rubber on cooling and a cold crystallization and melting temperature on heating, differently from high epoxidation content rubbers (over 10%) which are amorphous materials. Epoxidation increases the glass transition temperature and decreases the melting temperature and the degree of crystallinity of the polybutadiene. The increase of epoxidation also decreases its thermal stability, which drops about 28 °C when the content of epoxidation is increased about 30%. Non-isothermal crystallization experiments of HCBR and EHCBR were systematically carried out at cooling rates of 5, 10, 20, and 30 °C/min to evaluate the crystallinity developed upon cooling. By increasing the cooling rate, the crystallization enthalpy increases for HCBR while it decreases for EHCBR. Epoxidized rubber (dpeaa)DE-He213 Polybutadiene (dpeaa)DE-He213 High (dpeaa)DE-He213 Epoxidation (dpeaa)DE-He213 Crystallization (dpeaa)DE-He213 Schoene, Frederico A. P. aut Ramirez, Camila aut Graciano, Isabela A. aut Sirelli, Lys aut Gonçalves, Raquel P. aut Enthalten in Journal of rubber research [Singapore] : Springer Singapore, 2019 22(2019), 4 vom: 02. Nov., Seite 195-201 (DE-627)1049383931 (DE-600)2963165-8 2524-3993 nnns volume:22 year:2019 number:4 day:02 month:11 pages:195-201 https://dx.doi.org/10.1007/s42464-019-00028-5 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_65 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_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 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_2118 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_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 22 2019 4 02 11 195-201 |
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Enthalten in Journal of rubber research 22(2019), 4 vom: 02. Nov., Seite 195-201 volume:22 year:2019 number:4 day:02 month:11 pages:195-201 |
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Enthalten in Journal of rubber research 22(2019), 4 vom: 02. Nov., Seite 195-201 volume:22 year:2019 number:4 day:02 month:11 pages:195-201 |
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Epoxidized rubber Polybutadiene High Epoxidation Crystallization |
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Dias, Marcos L. @@aut@@ Schoene, Frederico A. P. @@aut@@ Ramirez, Camila @@aut@@ Graciano, Isabela A. @@aut@@ Sirelli, Lys @@aut@@ Gonçalves, Raquel P. @@aut@@ |
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| author |
Dias, Marcos L. |
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Dias, Marcos L. misc Epoxidized rubber misc Polybutadiene misc High misc Epoxidation misc Crystallization Thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber |
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Thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber Epoxidized rubber (dpeaa)DE-He213 Polybutadiene (dpeaa)DE-He213 High (dpeaa)DE-He213 Epoxidation (dpeaa)DE-He213 Crystallization (dpeaa)DE-He213 |
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misc Epoxidized rubber misc Polybutadiene misc High misc Epoxidation misc Crystallization |
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Thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber |
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Thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber |
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Dias, Marcos L. |
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Journal of rubber research |
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Dias, Marcos L. Schoene, Frederico A. P. Ramirez, Camila Graciano, Isabela A. Sirelli, Lys Gonçalves, Raquel P. |
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Dias, Marcos L. |
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| title_sort |
thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber |
| title_auth |
Thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber |
| abstract |
Abstract High cis-polybutadiene (HCBR) was epoxidized by using in situ formed formic acid and hydrogen peroxide in the absence and presence of Tween 20 at 50 °C at different reaction times. Epoxidized HCBR (EHCBR) with degree of epoxidation from 3.7 to 38.8% was obtained. Low degree epoxidation EHCBR are semi-crystalline rubbers presenting lower crystallization temperatures than the non-epoxidized rubber on cooling and a cold crystallization and melting temperature on heating, differently from high epoxidation content rubbers (over 10%) which are amorphous materials. Epoxidation increases the glass transition temperature and decreases the melting temperature and the degree of crystallinity of the polybutadiene. The increase of epoxidation also decreases its thermal stability, which drops about 28 °C when the content of epoxidation is increased about 30%. Non-isothermal crystallization experiments of HCBR and EHCBR were systematically carried out at cooling rates of 5, 10, 20, and 30 °C/min to evaluate the crystallinity developed upon cooling. By increasing the cooling rate, the crystallization enthalpy increases for HCBR while it decreases for EHCBR. © The Malaysian Rubber Board 2019 |
| abstractGer |
Abstract High cis-polybutadiene (HCBR) was epoxidized by using in situ formed formic acid and hydrogen peroxide in the absence and presence of Tween 20 at 50 °C at different reaction times. Epoxidized HCBR (EHCBR) with degree of epoxidation from 3.7 to 38.8% was obtained. Low degree epoxidation EHCBR are semi-crystalline rubbers presenting lower crystallization temperatures than the non-epoxidized rubber on cooling and a cold crystallization and melting temperature on heating, differently from high epoxidation content rubbers (over 10%) which are amorphous materials. Epoxidation increases the glass transition temperature and decreases the melting temperature and the degree of crystallinity of the polybutadiene. The increase of epoxidation also decreases its thermal stability, which drops about 28 °C when the content of epoxidation is increased about 30%. Non-isothermal crystallization experiments of HCBR and EHCBR were systematically carried out at cooling rates of 5, 10, 20, and 30 °C/min to evaluate the crystallinity developed upon cooling. By increasing the cooling rate, the crystallization enthalpy increases for HCBR while it decreases for EHCBR. © The Malaysian Rubber Board 2019 |
| abstract_unstemmed |
Abstract High cis-polybutadiene (HCBR) was epoxidized by using in situ formed formic acid and hydrogen peroxide in the absence and presence of Tween 20 at 50 °C at different reaction times. Epoxidized HCBR (EHCBR) with degree of epoxidation from 3.7 to 38.8% was obtained. Low degree epoxidation EHCBR are semi-crystalline rubbers presenting lower crystallization temperatures than the non-epoxidized rubber on cooling and a cold crystallization and melting temperature on heating, differently from high epoxidation content rubbers (over 10%) which are amorphous materials. Epoxidation increases the glass transition temperature and decreases the melting temperature and the degree of crystallinity of the polybutadiene. The increase of epoxidation also decreases its thermal stability, which drops about 28 °C when the content of epoxidation is increased about 30%. Non-isothermal crystallization experiments of HCBR and EHCBR were systematically carried out at cooling rates of 5, 10, 20, and 30 °C/min to evaluate the crystallinity developed upon cooling. By increasing the cooling rate, the crystallization enthalpy increases for HCBR while it decreases for EHCBR. © The Malaysian Rubber Board 2019 |
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Thermal and crystallization behaviour of epoxidized high cis-polybutadiene rubber |
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https://dx.doi.org/10.1007/s42464-019-00028-5 |
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Schoene, Frederico A. P. Ramirez, Camila Graciano, Isabela A. Sirelli, Lys Gonçalves, Raquel P. |
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Schoene, Frederico A. P. Ramirez, Camila Graciano, Isabela A. Sirelli, Lys Gonçalves, Raquel P. |
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| doi_str |
10.1007/s42464-019-00028-5 |
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2024-07-03T19:04:35.035Z |
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