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Recovery of polymer

阅读:997发布:2021-11-13

专利汇可以提供Recovery of polymer专利检索,专利查询,专利分析的服务。并且PURPOSE:To obtain a polymer excellent in hue, transparency, and resistances to loss of transparency and thermal discoloration, by adding a shortstop and a stabilizer to a specified (hydrogenated) polymer solution, and further adding CO2 thereto in at least one step selected from among steps of solvent removal, dehydration and drying. CONSTITUTION:A conjugated diene (A) and/or a vinylaromatic hydrocarbon (B) is polymerized in the presence of an initiator (C) comprising an organolithium compound in a hydrocarbon solvent (D) to obtain a solution of a (hydrogenated) polymer. After at least one mol., per mol. of component C, of at least one shortstop (E) selected from among water, an alcohol, an inorganic acid and an organic acid and a stabilizer (F) are added to this solution, component D is removed by steam stripping to obtain a slurry in which polymer crumbs are dispersed in water. A (hydrogenated) polymer of a water content,下面是Recovery of polymer专利的具体信息内容。

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