Study on controlled photodegradable isotactic polypropylene composites containing nano-TiO2，2005年新型纤维与聚合物材料国际学术会议（10.19-10.21，上海）-中国聚合物网,论文下载

Study on controlled photodegradable isotactic polypropylene composites containing nano-TiO2

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关键词：

photo degradation accelerated weathering polypropylene titanium dioxide
nano-particle

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465K

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分子表征

来源：

2005年新型纤维与聚合物材料国际学术会议（10.19-10.21，上海）

简介：

Photoacceleratedoxidativedegradationoracceleratedweatheringofisotacticpolypropylene(iPP)compositescontainingdifferentcontentsofTiO2nano-particleswasstudiedbymechanicalpropertymonitoring,Fouriertransforminfraredmicroscopy(FTIR)andscanningelectronicmicroscopy(SEM).ThecomparisonofthephotodegradationofthecompositeswiththatofblankiPPclearlyillustratedthatnano-particlesoftitaniumdioxideintheiPPmatrixexhibitsaphotocatalyticeffectintheartificialacceleratedweatheringtests,andcanbeusedasaneffectivephotosensitizer.BoththespeedofthephotooxidativedegradationandtheinductionperiodoftheiPPcompositescanbecontrolledtoacertaindegreebychangingthecontentofthephotosensitizer.

作者：

Qingshan Liu Yurong Yan Dongmei Liu Yaoming Zhao

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2007-08-14 16:43:25

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