发明名称 |
PROCESS FOR PRODUCING PROPYLENE POLYMER OR COPOLYMER |
摘要 |
<p>S-1017961C/77 A process for producing a propylene polymer or copolymer which comprises polymerizing (a) propylene or (b) a mixture of propylene and another unsaturated hydrocarbon monomer in liquid propylene in the presence of a catalyst system of (A) a titanium trichloride composition obtained by reducing titanium tetrachloride with an organoaluminum compound and activating the product, (B) an organoaluminum compound having the general formula R2A1X wherein R represents an alkyl group or an aralkyl group, each containing up to 18 carbon atoms, and X represents a halogen atom; and (C) an unsaturated carboxylic acid ester, while adjusting the amount of the polymer produced to at least 8000 g per gram of the titanium trichloride composition.</p> |
申请公布号 |
CA1097850(A) |
申请公布日期 |
1981.03.17 |
申请号 |
CA19770282010 |
申请日期 |
1977.07.05 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
ASADA, MAMORU;SHIGA, AKINOBU;MATSUYAMA, KIYOSHI;KAKUGO, MASAHIRO |
分类号 |
C08F4/00;C08F4/60;C08F4/64;C08F10/06;(IPC1-7):08F10/06;08F2/00;08F4/64 |
主分类号 |
C08F4/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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