Production method of uvioresistant functional polrvinyl chloride

一种抗紫外功能性聚氯乙烯的生产方法

Abstract

The invention relates to a production method of uvioresistant functional polrvinyl chloride, and the method comprises the following steps of: doping zinc oxide by transitional metal nickel with excellent light resistance and heat resistance to prepare Zn-Ni composite uvioresistant powder; and polymerizing a powder microemulsion and a monomer chloroethylene in situ to obtain the uvioresistant polrvinyl chloride. The method provided by the invention has the advantages that (1) zinc oxide is doped by transitional metal nickel, a PH adjustor is added to control the PH of the reaction system as alkalinity, and dosage of nickel is increased to increase the generation of lattice defect of zinc oxide so as to improve the uvioresistant capacity of zinc oxide; and (2) the uvioresistant functional polrvinyl chloride is obtained by in situ polymerization so as to improve the dispersion of inorganic nanoparticles in a PVC (Poly Vinyl Chloride) substrate.
本发明涉及一种抗紫外功能性聚氯乙烯的生产方法,采用耐光及耐热性优良的过渡族金属镍对氧化锌掺杂,制备出Zn-Ni复合抗紫外粉体,使用该粉体微乳液与单体氯乙烯原位聚合得到抗紫外聚氯乙烯树脂。本发明的优势在于:①使用过渡族金属镍对氧化锌掺杂,添加PH调节剂控制反应体系为碱性,并增加镍用量,以增加氧化锌晶格缺陷产生,可以增加氧化锌晶格的缺陷,提高氧化锌抗紫外能力;②使用原位聚合得到抗紫外功能性PVC树脂,改善无机纳米粒子在PVC基体中分散性。

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    刘术佳等: "《功能性发制品用PVC纤维纺丝工艺探讨》", 《合成技术及应用》, vol. 27, no. 1, 28 March 2012 (2012-03-28), pages 33 - 37

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