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METHOD FOR PRODUCTION OF HYDROCHLORINATED DERIVATIVES OF POLYBUTADIENE AND POLYISOPRENE RUBBERS
METHOD FOR PRODUCTION OF HYDROCHLORINATED DERIVATIVES OF POLYBUTADIENE AND POLYISOPRENE RUBBERS
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机译:聚丁二烯和聚异戊二烯橡胶的氢化衍生物的生产方法
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摘要
FIELD: rubber industry. SUBSTANCE: hydrochlorination of unsaturated polymers is performed without use of free HCl in presence of three-component catalyst containing Fe(II) and Fe(III) salts, titanium metal, and polymer at ratio 1: (0.1-10): (0.1-100), source of HCl being methylene chloride or chloroform. Catalyst simultaneously promotes liberation of HCl from indicated compounds and hydrochlorination of double bonds in polymer chain. EFFECT: increased degree of hydrochlorination to 91%. 1 tbl, 2 ex
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