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塑料涂料用马来酸酐接枝氯化聚丙烯的合成与性能 被引量:7

Synthesis and performance of maleic anhydride-grafted chlorinated polypropylene used for plastic coatings
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摘要 以甲苯为溶剂、过氧化苯甲酰(BPO)为引发剂、马来酸酐(MAH)为接枝单体,对氯化聚丙烯(CPP)进行接枝改性。考察了引发剂和接枝单体用量、反应温度、反应时间以及原料的含氯量对接枝率的影响,并对改性产物进行了傅立叶红外光谱表征。结果表明,氯化聚丙烯成功地接枝上马来酸酐,反应条件和原料的含氯量会影响接枝率,优化的工艺条件为:m(BPO)/m(CPP)=0.04,m(MAH)/m(CPP)=1.1,反应温度为100°C,反应时间为3h。涂料性能测试结果说明,改性产物在部分酮酯类溶剂中的溶解性能优良,对多种塑料材料有良好的附着性能,而附着力的大小受到接枝率的直接影响。 The chlorinated polypropylene (CPP) was grafted with toluene as solvent, benzoyl peroxide (BPO) as initiator and maleic anhydride (MAH) as grafting monomer. The effects of dosages of BPO and MAH, reaction temperature and time, as well as chloride content of CPP on grafting yield were studied, and the grafted product was characterized by Fourier transform infrared spectroscopy. The results showed that MAH can be successfully grafted onto CPP, and the grafting yield is affected by reaction conditions and chloride content of CPP. The optimal reaction conditions are determined as follows: mass ratio of BPO/CPP = 0.04, mass ratio of MAH/CPP = 1.1, reaction temperature 100℃ and reaction time 3 h. The test results of coating performance indicated that the grafted products have good solubility in some ketone or ester solvents, and have excellent adhesiveness on several plastic materials, which is directly affected by grafting yield.
作者 聂建华 程江
出处 《电镀与涂饰》 CAS CSCD 北大核心 2009年第12期53-56,59,共5页 Electroplating & Finishing
关键词 塑料涂料 氯化聚丙烯 马来酸酐 接枝 附着力 溶解性 plastic coating chlorinated polypropylene maleic anhydride grafting adhesion solubility
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