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首页> 外文期刊>Journal of Applied Polymer Science >Functionally gradient silicone sheet made by treatment of swelling and polymerization with n-butyl methacrylate
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Functionally gradient silicone sheet made by treatment of swelling and polymerization with n-butyl methacrylate

机译：通过甲基丙烯酸正丁酯的溶胀和聚合反应制得的功能梯度有机硅片

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摘要

A silicone sheet was dipped into n-butyl methacrylate, monomer including benzoyl peroxide and was swollen for 0.5 h at 23degreesC. Then, the sheet was put into a glass tube equipped with a three-way stopcock and was deoxygenated by freezing under dry nitrogen. Polymerization was carried out by heating at 80degreesC for 2 h under dry nitrogen. The resultant sheet was a component gradient silicone sheet with poly-n-butylmethacrylate. The content of poly-n-butylmethacrylate increased gradually from either surface to the middle of the sheet. This phenomenon was assumed to occur because of the volatilization of n-butyl methacrylate monomer during the polymerization. The properties of the sheet include increased tear strength and decreased gas permeability. (C) 2002 John Wiley Sons, Inc. [References: 16]
机译：将有机硅片浸入甲基丙烯酸正丁酯，包括过氧化苯甲酰的单体中，并在23℃下溶胀0.5小时。然后，将片材放入配备有三通旋塞阀的玻璃管中，并通过在干燥氮气下冷冻来脱氧。通过在干燥氮气下在80℃加热2小时来进行聚合。所得片是具有聚甲基丙烯酸正丁酯的组分梯度有机硅片。聚甲基丙烯酸正丁酯的含量从片的任一表面到中间逐渐增加。认为该现象是由于聚合过程中甲基丙烯酸正丁酯单体的挥发而发生的。片材的性能包括增加的撕裂强度和降低的透气性。 （C）2002 John Wiley Sons，Inc. [参考：16]

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