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LDPE-g-GMA的接枝率和流动性研究

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Indexed by:期刊论文

Date of Publication:2009-01-10

Journal:塑料科技

Included Journals:PKU、ISTIC

Volume:37

Issue:1

Page Number:48-51

ISSN No.:1005-3360

Key Words:低密度聚乙烯;甲基丙烯酸缩水甘油酯;接枝率;熔体流动速率

Abstract:利用熔融接技法制备了聚甲基丙烯酸缩水甘油酯接枝低密度聚乙烯(LDPE-g-GMA),用红外光谱对接枝产物进行了表征,研究了接枝单体、接枝共单体和引发剂对LDPE-g-GMA接枝率和熔体流动速率(MFR)的影响.结果表明:随着接枝单体用量的增加,LDPE-g-GMA的接枝率提高,MFR下降;随着接枝共单体用量的增加,LDPE-g-GMA的接技率提高,MFR在小范围内波动,变化不大;随着引发剂用量的增加,LDPE-g-GMA的接枝率先升后降,MFR大幅下降.

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