Role of cis-1,4-cyclohexanedicarboxylic acid in the regulation of the structure and properties of a poly(butylene adipate-co-butylene 1,4-cyclohexanedicarboxylate) copolymer
Role of cis-1,4-cyclohexanedicarboxylic acid in the regulation of the structure and properties of a poly(butylene adipate-co-butylene 1,4-cyclohexanedicarboxylate) copolymer
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顺式1,4-环己烷二甲酸在聚己二酸丁二醇酯-1,4-环己烷二甲酸丁二醇酯共聚物结构和性能调节中的作用
DOI:
10.1039/c6ra13495e
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发表时间:
2016-07
期刊:
影响因子:
3.9
通讯作者:
Jin Zhu
中科院分区:
文献类型:
--
作者:
Fei Liu;Jia Qiu;Jinggang Wang;Junwu Zhang;Haining Na;Jin Zhu
A unique non-planar ring structure 1,4-cyclohexanedicarboxylic acid (CHDA) is introduced to synthesize a poly(butylene adipate-co-butylene 1,4-cyclohexanedicarboxylate) (PBAC) copolyester. The impact of the stereochemistry of CHDA on the structure and properties of PBAC, especially the role of cis-CHDA in tuning the thermal, tensile and elastic properties of PBAC is explored in depth. Instead of considering PBAC as a diblock random copolymer consisting of poly(butylene adipate) (PBA) and poly(butylene 1,4-cyclohexanedicarboxylate) (PBC), our results reveal that PBAC can be considered as a random copolymer consisting of actually three blocks, namely PBA, a PBC unit with only trans-CHDA (trans-PBC), and PBC unit with only cis-CHDA (cis-PBC). The role of cis-CHDA is found to be rigid which initiates a high modulus and strength, and soft which results in a decreased melting temperature and increased elongation at break and elasticity.
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影响因子:
2.5
作者:
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通讯作者:
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影响因子:
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4.3
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Jun-wu Zhang;Fei Liu;Jinggang Wang;Haining Na;Jin Zhu
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影响因子:
2.5
作者:
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通讯作者:
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