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METHOD FOR DISPERSING INORGANIC FILLER, ORGANIC SYNTHETIC RESIN DISPERSED WITH INORGANIC FILLER, AND METHOD FOR PRODUCING THE RESIN
METHOD FOR DISPERSING INORGANIC FILLER, ORGANIC SYNTHETIC RESIN DISPERSED WITH INORGANIC FILLER, AND METHOD FOR PRODUCING THE RESIN
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机译:分散无机填充剂的方法,分散有无机填充剂的有机合成树脂及其制造方法
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摘要
PROBLEM TO BE SOLVED: To provide a method for dispersing homogeneously an inorganic filler of a nano size in a general purpose synthetic resin such as PP, PA, ABS and PBT resins, and to provide a resin dispersed with the filler, and a method for producing the resin.;SOLUTION: A homogeneous xylene solution is obtained by modifying a low molecular weight PP of 30,000 weight-average molecular weight with maleic anhydride, by warming in xylene up to 140°C, and by stirring for 30 minutes. A hydrophobic silica fine particle of 30-80 nm particle diameter, as an inorganic filler, is obtained by adding sulfuric acid to a water-glass solution, by extracting silanol into THF by adding THF, then by dropwise addition of trimethylchlorosilane. A PP resin dispersed with the inorganic filler is produced by melt-kneading a PP resin with a fine particle obtained by pulverizing a solid material obtained by removing a solvent from a homogeneous solution prepared by adding to a xylene solution little by little the silica fine particle such that the weight ratio of it to the modified PP is 1:1.;COPYRIGHT: (C)2008,JPO&INPIT
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