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公开(公告)号：KR790000774B1
公开(公告)日：1979-06-30
申请号：KR750000066
申请日：1975-05-07
Applicant: STANDARD OIL CO
Inventor： ROGAN J B
Abstract: Highly cryst. polypropylene or its copolymer with ethylene or C4-8α-olefins, were prepd. in the presence of catalyst contg. an organoaluminum [trialkylaluminum(I), I-alkylaluminum dichloride or-dibromide mixt., I-dialkylaluminum chloride or-bromide mixt. treated with 10 mole% H2S, TiCl3, and a trihydrocarbylphosphite or a sterically hindered tertiary amine or its oxide.
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