发明名称 |
Hyperpure propylene polymer |
摘要 |
A process for preparing hyperpure propylene (co)polymers comprising polymerizing the monomer(s) in liquid monomer in the presence of a catalyst obtained by reacting an Al-trialkyl compound with a solid catalyst component comprising magnesium dihalide in active form, having supported thereon a titanium chloride or chloroalcoholate, and an ether having the general formula: <IMAGE> (I) where R and R'' are the same or different and are C2-18 alkyl, C3-18 cycloalkyl, C6-18 aryl, C7-18 arylalkyl or alkylaryl radicals.
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申请公布号 |
US5557025(A) |
申请公布日期 |
1996.09.17 |
申请号 |
US19910675229 |
申请日期 |
1991.03.26 |
申请人 |
MONTELL NORTH AMERICA INC. |
发明人 |
NORISTI, LUCIANO;BARUZZI, GIOVANNI |
分类号 |
C08F10/00;(IPC1-7):C07C2/08;C07C2/22 |
主分类号 |
C08F10/00 |
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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