Supramolecular Elastomer of Poly(lactic acid)Poly(ethylene-co-butylene) Alternative Multi-Block Copo

来源 :第13届国际聚合物先进技术会议 | 被引量 : 0次 | 上传用户：binglei2_zj

【摘要】

：

　　Block sequence distribution and segmental tacticity of supramolecular or covalently-bonded multiblock copolymers are key factors influencing their microphas

【作者】

：

Ruoxing Chang Yongfeng Huang Guorong Shan Yongzhong Bao Pengju Pan

【机构】

：

StateKeyLaboratoryofChemicalEngineering,CollegeofChemicalandBiologicalEngineering,ZhejiangUniversity

【出处】

：

第13届国际聚合物先进技术会议

【发表日期】

：

2015年6期

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论文部分内容阅读

　　Block sequence distribution and segmental tacticity of supramolecular or covalently-bonded multiblock copolymers are key factors influencing their microphase-separated morphology and physical properties.In this study,we have successfully synthesized a series of alternating supramolecular multiblock copolymers with poly(ethylene-co-butylene)(PEB)soft segments and atactic,isotactic poly(lactic acid)(PLA)hard segments by terminal functionalization of PLA-PEB-PLA oligomers with the 2-ureido-4[1H]-pyrimidione(UPy)unit.Such supramolecular copolymers(SMPs)exhibit the characteristic properties of thermoplastic elastomers.

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