Preparation technology of modified calcium carbonate for plastic
A preparation process and calcium carbonate technology, applied in the field of modified calcium carbonate preparation, can solve the problems of calcium carbonate hydrophilic and oleophobic, poor dispersibility, poor plastic compatibility, etc., and achieve good modification effect, good dispersibility, The effect of improving mechanical properties
Inactive Publication Date: 2017-12-22
广西汇智生产力促进中心有限公司
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The invention discloses a preparation technology of modified calcium carbonate for plastic. The modified calcium carbonate for the plastic is prepared from raw materials as follows: calcium carbonate, triethanolamine oleic soap, dicyclohexyl peroxydicarbonate, trimethylolpropanetris(3-aziridinylpropanoate), aluminum acetylacetonate, a catalyst, diethylenetriamine potassium pentacarboxylate, a modifier, di-iso-decylphthalate, hexenyl distearamide, 2-(2'-hydroxy-3',5-di-tert-phenyl)-5-benzotriazole chloride, N-ethyl-5-methyl-2-(1-methyl ethyl)cyclohexanecarboxamide and a stabilizer, and the modified calcium carbonate for the plastic is prepared through steps of surface modification, performance adjustment, crushing, drying and the like. The loose bulk density of modified calcium carbonate is significantly reduced, and modified calcium carbonate powder for the plastic is fully dispersed and has slight aggregation and good dispersity after being added to the plastic.
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