Grafting of poly(lactic acid) by cyclodextrin extrusion reaction and its foaming properties
Cyclodextrin (CD) has the characteristics of a large ring structure and active functional groups. It can be used as a foaming nucleating agent, a crystal nucleating agent and the branching centre of polylactic acid (PLA). In this paper, PLA-g-CD composites were prepared by grafting PLA through CD ex...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Shi, Zhiliang [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022 |
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| Schlagwörter: |
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| Anmerkung: |
© Iran Polymer and Petrochemical Institute 2022 |
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| Übergeordnetes Werk: |
Enthalten in: Iranian polymer journal - Tehran : Iran Polymer and Petrochemical Inst., 1992, 31(2022), 9 vom: 14. Juni, Seite 1161-1172 |
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| Übergeordnetes Werk: |
volume:31 ; year:2022 ; number:9 ; day:14 ; month:06 ; pages:1161-1172 |
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| DOI / URN: |
10.1007/s13726-022-01067-3 |
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| Katalog-ID: |
SPR047760400 |
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| 100 | 1 | |a Shi, Zhiliang |e verfasserin |4 aut | |
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| 520 | |a Cyclodextrin (CD) has the characteristics of a large ring structure and active functional groups. It can be used as a foaming nucleating agent, a crystal nucleating agent and the branching centre of polylactic acid (PLA). In this paper, PLA-g-CD composites were prepared by grafting PLA through CD extrusion reaction with radical initiator dicumyl peroxide (DCP). The grafting of CD onto PLA was confirmed by 1H NMR. The grafting rate of CD was calculated and the crystallization behaviour and melt strength of PLA-g-CD composites were analyzed by a series of experiments. Increasing the amount of initiator DCP and CD could increase the rate of grafting. However, more content of CD and DCP could reduce the melt strength of the matrix, resulting in the deterioration of foaming behaviour and the decline of mechanical properties. The results showed that the foaming behaviour of PLA-g-CD composite was significantly improved compared with that of pure PLA and the improvement of melt strength was more effective than adding a nucleating agent for improving the foaming behaviour of PLA. This study explored a new way to prepare PLA foam materials and established the relationship between the structure and properties of PLA composite foam materials, which laid a foundation for the application of organic cage compounds in polymer foam materials. Graphical abstract | ||
| 650 | 4 | |a Polylactic acid |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Cyclodextrin |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Graft rate |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Foaming behaviour |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Mechanical properties |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Liu, Xiaoke |4 aut | |
| 700 | 1 | |a Cong, Hang |4 aut | |
| 700 | 1 | |a Zhou, Yuhui |0 (orcid)0000-0001-7614-5765 |4 aut | |
| 700 | 1 | |a Chen, Qing |4 aut | |
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10.1007/s13726-022-01067-3 doi (DE-627)SPR047760400 (SPR)s13726-022-01067-3-e DE-627 ger DE-627 rakwb eng Shi, Zhiliang verfasserin aut Grafting of poly(lactic acid) by cyclodextrin extrusion reaction and its foaming properties 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Iran Polymer and Petrochemical Institute 2022 Cyclodextrin (CD) has the characteristics of a large ring structure and active functional groups. It can be used as a foaming nucleating agent, a crystal nucleating agent and the branching centre of polylactic acid (PLA). In this paper, PLA-g-CD composites were prepared by grafting PLA through CD extrusion reaction with radical initiator dicumyl peroxide (DCP). The grafting of CD onto PLA was confirmed by 1H NMR. The grafting rate of CD was calculated and the crystallization behaviour and melt strength of PLA-g-CD composites were analyzed by a series of experiments. Increasing the amount of initiator DCP and CD could increase the rate of grafting. However, more content of CD and DCP could reduce the melt strength of the matrix, resulting in the deterioration of foaming behaviour and the decline of mechanical properties. The results showed that the foaming behaviour of PLA-g-CD composite was significantly improved compared with that of pure PLA and the improvement of melt strength was more effective than adding a nucleating agent for improving the foaming behaviour of PLA. This study explored a new way to prepare PLA foam materials and established the relationship between the structure and properties of PLA composite foam materials, which laid a foundation for the application of organic cage compounds in polymer foam materials. Graphical abstract Polylactic acid (dpeaa)DE-He213 Cyclodextrin (dpeaa)DE-He213 Graft rate (dpeaa)DE-He213 Foaming behaviour (dpeaa)DE-He213 Mechanical properties (dpeaa)DE-He213 Liu, Xiaoke aut Cong, Hang aut Zhou, Yuhui (orcid)0000-0001-7614-5765 aut Chen, Qing aut Enthalten in Iranian polymer journal Tehran : Iran Polymer and Petrochemical Inst., 1992 31(2022), 9 vom: 14. Juni, Seite 1161-1172 (DE-627)506027341 (DE-600)2218064-3 1735-5265 nnns volume:31 year:2022 number:9 day:14 month:06 pages:1161-1172 https://dx.doi.org/10.1007/s13726-022-01067-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_101 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_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_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_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_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_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 AR 31 2022 9 14 06 1161-1172 |
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10.1007/s13726-022-01067-3 doi (DE-627)SPR047760400 (SPR)s13726-022-01067-3-e DE-627 ger DE-627 rakwb eng Shi, Zhiliang verfasserin aut Grafting of poly(lactic acid) by cyclodextrin extrusion reaction and its foaming properties 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Iran Polymer and Petrochemical Institute 2022 Cyclodextrin (CD) has the characteristics of a large ring structure and active functional groups. It can be used as a foaming nucleating agent, a crystal nucleating agent and the branching centre of polylactic acid (PLA). In this paper, PLA-g-CD composites were prepared by grafting PLA through CD extrusion reaction with radical initiator dicumyl peroxide (DCP). The grafting of CD onto PLA was confirmed by 1H NMR. The grafting rate of CD was calculated and the crystallization behaviour and melt strength of PLA-g-CD composites were analyzed by a series of experiments. Increasing the amount of initiator DCP and CD could increase the rate of grafting. However, more content of CD and DCP could reduce the melt strength of the matrix, resulting in the deterioration of foaming behaviour and the decline of mechanical properties. The results showed that the foaming behaviour of PLA-g-CD composite was significantly improved compared with that of pure PLA and the improvement of melt strength was more effective than adding a nucleating agent for improving the foaming behaviour of PLA. This study explored a new way to prepare PLA foam materials and established the relationship between the structure and properties of PLA composite foam materials, which laid a foundation for the application of organic cage compounds in polymer foam materials. Graphical abstract Polylactic acid (dpeaa)DE-He213 Cyclodextrin (dpeaa)DE-He213 Graft rate (dpeaa)DE-He213 Foaming behaviour (dpeaa)DE-He213 Mechanical properties (dpeaa)DE-He213 Liu, Xiaoke aut Cong, Hang aut Zhou, Yuhui (orcid)0000-0001-7614-5765 aut Chen, Qing aut Enthalten in Iranian polymer journal Tehran : Iran Polymer and Petrochemical Inst., 1992 31(2022), 9 vom: 14. Juni, Seite 1161-1172 (DE-627)506027341 (DE-600)2218064-3 1735-5265 nnns volume:31 year:2022 number:9 day:14 month:06 pages:1161-1172 https://dx.doi.org/10.1007/s13726-022-01067-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_101 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_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_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_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_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_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 AR 31 2022 9 14 06 1161-1172 |
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10.1007/s13726-022-01067-3 doi (DE-627)SPR047760400 (SPR)s13726-022-01067-3-e DE-627 ger DE-627 rakwb eng Shi, Zhiliang verfasserin aut Grafting of poly(lactic acid) by cyclodextrin extrusion reaction and its foaming properties 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Iran Polymer and Petrochemical Institute 2022 Cyclodextrin (CD) has the characteristics of a large ring structure and active functional groups. It can be used as a foaming nucleating agent, a crystal nucleating agent and the branching centre of polylactic acid (PLA). In this paper, PLA-g-CD composites were prepared by grafting PLA through CD extrusion reaction with radical initiator dicumyl peroxide (DCP). The grafting of CD onto PLA was confirmed by 1H NMR. The grafting rate of CD was calculated and the crystallization behaviour and melt strength of PLA-g-CD composites were analyzed by a series of experiments. Increasing the amount of initiator DCP and CD could increase the rate of grafting. However, more content of CD and DCP could reduce the melt strength of the matrix, resulting in the deterioration of foaming behaviour and the decline of mechanical properties. The results showed that the foaming behaviour of PLA-g-CD composite was significantly improved compared with that of pure PLA and the improvement of melt strength was more effective than adding a nucleating agent for improving the foaming behaviour of PLA. This study explored a new way to prepare PLA foam materials and established the relationship between the structure and properties of PLA composite foam materials, which laid a foundation for the application of organic cage compounds in polymer foam materials. Graphical abstract Polylactic acid (dpeaa)DE-He213 Cyclodextrin (dpeaa)DE-He213 Graft rate (dpeaa)DE-He213 Foaming behaviour (dpeaa)DE-He213 Mechanical properties (dpeaa)DE-He213 Liu, Xiaoke aut Cong, Hang aut Zhou, Yuhui (orcid)0000-0001-7614-5765 aut Chen, Qing aut Enthalten in Iranian polymer journal Tehran : Iran Polymer and Petrochemical Inst., 1992 31(2022), 9 vom: 14. Juni, Seite 1161-1172 (DE-627)506027341 (DE-600)2218064-3 1735-5265 nnns volume:31 year:2022 number:9 day:14 month:06 pages:1161-1172 https://dx.doi.org/10.1007/s13726-022-01067-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_101 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_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_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_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_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_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 AR 31 2022 9 14 06 1161-1172 |
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10.1007/s13726-022-01067-3 doi (DE-627)SPR047760400 (SPR)s13726-022-01067-3-e DE-627 ger DE-627 rakwb eng Shi, Zhiliang verfasserin aut Grafting of poly(lactic acid) by cyclodextrin extrusion reaction and its foaming properties 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Iran Polymer and Petrochemical Institute 2022 Cyclodextrin (CD) has the characteristics of a large ring structure and active functional groups. It can be used as a foaming nucleating agent, a crystal nucleating agent and the branching centre of polylactic acid (PLA). In this paper, PLA-g-CD composites were prepared by grafting PLA through CD extrusion reaction with radical initiator dicumyl peroxide (DCP). The grafting of CD onto PLA was confirmed by 1H NMR. The grafting rate of CD was calculated and the crystallization behaviour and melt strength of PLA-g-CD composites were analyzed by a series of experiments. Increasing the amount of initiator DCP and CD could increase the rate of grafting. However, more content of CD and DCP could reduce the melt strength of the matrix, resulting in the deterioration of foaming behaviour and the decline of mechanical properties. The results showed that the foaming behaviour of PLA-g-CD composite was significantly improved compared with that of pure PLA and the improvement of melt strength was more effective than adding a nucleating agent for improving the foaming behaviour of PLA. This study explored a new way to prepare PLA foam materials and established the relationship between the structure and properties of PLA composite foam materials, which laid a foundation for the application of organic cage compounds in polymer foam materials. Graphical abstract Polylactic acid (dpeaa)DE-He213 Cyclodextrin (dpeaa)DE-He213 Graft rate (dpeaa)DE-He213 Foaming behaviour (dpeaa)DE-He213 Mechanical properties (dpeaa)DE-He213 Liu, Xiaoke aut Cong, Hang aut Zhou, Yuhui (orcid)0000-0001-7614-5765 aut Chen, Qing aut Enthalten in Iranian polymer journal Tehran : Iran Polymer and Petrochemical Inst., 1992 31(2022), 9 vom: 14. Juni, Seite 1161-1172 (DE-627)506027341 (DE-600)2218064-3 1735-5265 nnns volume:31 year:2022 number:9 day:14 month:06 pages:1161-1172 https://dx.doi.org/10.1007/s13726-022-01067-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_101 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_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_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_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_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_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 AR 31 2022 9 14 06 1161-1172 |
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10.1007/s13726-022-01067-3 doi (DE-627)SPR047760400 (SPR)s13726-022-01067-3-e DE-627 ger DE-627 rakwb eng Shi, Zhiliang verfasserin aut Grafting of poly(lactic acid) by cyclodextrin extrusion reaction and its foaming properties 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Iran Polymer and Petrochemical Institute 2022 Cyclodextrin (CD) has the characteristics of a large ring structure and active functional groups. It can be used as a foaming nucleating agent, a crystal nucleating agent and the branching centre of polylactic acid (PLA). In this paper, PLA-g-CD composites were prepared by grafting PLA through CD extrusion reaction with radical initiator dicumyl peroxide (DCP). The grafting of CD onto PLA was confirmed by 1H NMR. The grafting rate of CD was calculated and the crystallization behaviour and melt strength of PLA-g-CD composites were analyzed by a series of experiments. Increasing the amount of initiator DCP and CD could increase the rate of grafting. However, more content of CD and DCP could reduce the melt strength of the matrix, resulting in the deterioration of foaming behaviour and the decline of mechanical properties. The results showed that the foaming behaviour of PLA-g-CD composite was significantly improved compared with that of pure PLA and the improvement of melt strength was more effective than adding a nucleating agent for improving the foaming behaviour of PLA. This study explored a new way to prepare PLA foam materials and established the relationship between the structure and properties of PLA composite foam materials, which laid a foundation for the application of organic cage compounds in polymer foam materials. Graphical abstract Polylactic acid (dpeaa)DE-He213 Cyclodextrin (dpeaa)DE-He213 Graft rate (dpeaa)DE-He213 Foaming behaviour (dpeaa)DE-He213 Mechanical properties (dpeaa)DE-He213 Liu, Xiaoke aut Cong, Hang aut Zhou, Yuhui (orcid)0000-0001-7614-5765 aut Chen, Qing aut Enthalten in Iranian polymer journal Tehran : Iran Polymer and Petrochemical Inst., 1992 31(2022), 9 vom: 14. Juni, Seite 1161-1172 (DE-627)506027341 (DE-600)2218064-3 1735-5265 nnns volume:31 year:2022 number:9 day:14 month:06 pages:1161-1172 https://dx.doi.org/10.1007/s13726-022-01067-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_101 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_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_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_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_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_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 AR 31 2022 9 14 06 1161-1172 |
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Enthalten in Iranian polymer journal 31(2022), 9 vom: 14. Juni, Seite 1161-1172 volume:31 year:2022 number:9 day:14 month:06 pages:1161-1172 |
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Shi, Zhiliang @@aut@@ Liu, Xiaoke @@aut@@ Cong, Hang @@aut@@ Zhou, Yuhui @@aut@@ Chen, Qing @@aut@@ |
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It can be used as a foaming nucleating agent, a crystal nucleating agent and the branching centre of polylactic acid (PLA). In this paper, PLA-g-CD composites were prepared by grafting PLA through CD extrusion reaction with radical initiator dicumyl peroxide (DCP). The grafting of CD onto PLA was confirmed by 1H NMR. The grafting rate of CD was calculated and the crystallization behaviour and melt strength of PLA-g-CD composites were analyzed by a series of experiments. Increasing the amount of initiator DCP and CD could increase the rate of grafting. However, more content of CD and DCP could reduce the melt strength of the matrix, resulting in the deterioration of foaming behaviour and the decline of mechanical properties. The results showed that the foaming behaviour of PLA-g-CD composite was significantly improved compared with that of pure PLA and the improvement of melt strength was more effective than adding a nucleating agent for improving the foaming behaviour of PLA. This study explored a new way to prepare PLA foam materials and established the relationship between the structure and properties of PLA composite foam materials, which laid a foundation for the application of organic cage compounds in polymer foam materials. 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| author |
Shi, Zhiliang |
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Shi, Zhiliang misc Polylactic acid misc Cyclodextrin misc Graft rate misc Foaming behaviour misc Mechanical properties Grafting of poly(lactic acid) by cyclodextrin extrusion reaction and its foaming properties |
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Grafting of poly(lactic acid) by cyclodextrin extrusion reaction and its foaming properties Polylactic acid (dpeaa)DE-He213 Cyclodextrin (dpeaa)DE-He213 Graft rate (dpeaa)DE-He213 Foaming behaviour (dpeaa)DE-He213 Mechanical properties (dpeaa)DE-He213 |
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Grafting of poly(lactic acid) by cyclodextrin extrusion reaction and its foaming properties |
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Grafting of poly(lactic acid) by cyclodextrin extrusion reaction and its foaming properties |
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Shi, Zhiliang Liu, Xiaoke Cong, Hang Zhou, Yuhui Chen, Qing |
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grafting of poly(lactic acid) by cyclodextrin extrusion reaction and its foaming properties |
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Grafting of poly(lactic acid) by cyclodextrin extrusion reaction and its foaming properties |
| abstract |
Cyclodextrin (CD) has the characteristics of a large ring structure and active functional groups. It can be used as a foaming nucleating agent, a crystal nucleating agent and the branching centre of polylactic acid (PLA). In this paper, PLA-g-CD composites were prepared by grafting PLA through CD extrusion reaction with radical initiator dicumyl peroxide (DCP). The grafting of CD onto PLA was confirmed by 1H NMR. The grafting rate of CD was calculated and the crystallization behaviour and melt strength of PLA-g-CD composites were analyzed by a series of experiments. Increasing the amount of initiator DCP and CD could increase the rate of grafting. However, more content of CD and DCP could reduce the melt strength of the matrix, resulting in the deterioration of foaming behaviour and the decline of mechanical properties. The results showed that the foaming behaviour of PLA-g-CD composite was significantly improved compared with that of pure PLA and the improvement of melt strength was more effective than adding a nucleating agent for improving the foaming behaviour of PLA. This study explored a new way to prepare PLA foam materials and established the relationship between the structure and properties of PLA composite foam materials, which laid a foundation for the application of organic cage compounds in polymer foam materials. Graphical abstract © Iran Polymer and Petrochemical Institute 2022 |
| abstractGer |
Cyclodextrin (CD) has the characteristics of a large ring structure and active functional groups. It can be used as a foaming nucleating agent, a crystal nucleating agent and the branching centre of polylactic acid (PLA). In this paper, PLA-g-CD composites were prepared by grafting PLA through CD extrusion reaction with radical initiator dicumyl peroxide (DCP). The grafting of CD onto PLA was confirmed by 1H NMR. The grafting rate of CD was calculated and the crystallization behaviour and melt strength of PLA-g-CD composites were analyzed by a series of experiments. Increasing the amount of initiator DCP and CD could increase the rate of grafting. However, more content of CD and DCP could reduce the melt strength of the matrix, resulting in the deterioration of foaming behaviour and the decline of mechanical properties. The results showed that the foaming behaviour of PLA-g-CD composite was significantly improved compared with that of pure PLA and the improvement of melt strength was more effective than adding a nucleating agent for improving the foaming behaviour of PLA. This study explored a new way to prepare PLA foam materials and established the relationship between the structure and properties of PLA composite foam materials, which laid a foundation for the application of organic cage compounds in polymer foam materials. Graphical abstract © Iran Polymer and Petrochemical Institute 2022 |
| abstract_unstemmed |
Cyclodextrin (CD) has the characteristics of a large ring structure and active functional groups. It can be used as a foaming nucleating agent, a crystal nucleating agent and the branching centre of polylactic acid (PLA). In this paper, PLA-g-CD composites were prepared by grafting PLA through CD extrusion reaction with radical initiator dicumyl peroxide (DCP). The grafting of CD onto PLA was confirmed by 1H NMR. The grafting rate of CD was calculated and the crystallization behaviour and melt strength of PLA-g-CD composites were analyzed by a series of experiments. Increasing the amount of initiator DCP and CD could increase the rate of grafting. However, more content of CD and DCP could reduce the melt strength of the matrix, resulting in the deterioration of foaming behaviour and the decline of mechanical properties. The results showed that the foaming behaviour of PLA-g-CD composite was significantly improved compared with that of pure PLA and the improvement of melt strength was more effective than adding a nucleating agent for improving the foaming behaviour of PLA. This study explored a new way to prepare PLA foam materials and established the relationship between the structure and properties of PLA composite foam materials, which laid a foundation for the application of organic cage compounds in polymer foam materials. Graphical abstract © Iran Polymer and Petrochemical Institute 2022 |
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Grafting of poly(lactic acid) by cyclodextrin extrusion reaction and its foaming properties |
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https://dx.doi.org/10.1007/s13726-022-01067-3 |
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Liu, Xiaoke Cong, Hang Zhou, Yuhui Chen, Qing |
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Liu, Xiaoke Cong, Hang Zhou, Yuhui Chen, Qing |
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| doi_str |
10.1007/s13726-022-01067-3 |
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2024-07-03T14:48:56.744Z |
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| score |
7.3988514 |