发明名称 |
Process for the production of amorphous elastomeric propylene homopolymers. |
摘要 |
<p>An process for the production of elastomeric high molecular weight substantially amorphous propylene homopolymer having a melting point between about 145 DEG C and 165 DEG C, a melt viscosity at 190 DEG C greater than 200,000 cps and a heat of fusion between about 4 cal./gm. and about 10 cal./gm.is disclosed. The polymer comprises from about 35% to about 55% of a diethyl ether soluble fraction, the fraction having an inherent viscosity less than about 1.0 dl/g and exhibiting substantially no isotactic crystallinity and from about 30% to about 70% of a heptane soluble fraction, the fraction having a melting point between about 100 DEG C and 115 DEG C and a heat of fusion less than about 2.0 cal./gm.</p> |
申请公布号 |
EP0475306(A1) |
申请公布日期 |
1992.03.18 |
申请号 |
EP19910115126 |
申请日期 |
1991.09.06 |
申请人 |
REXENE PRODUCTS COMPANY |
发明人 |
PELLON, BRIAN JAY;ALLEN, GEORGE CYRUS |
分类号 |
C08F4/658;C08F4/60;C08F110/00;C08F110/06 |
主分类号 |
C08F4/658 |
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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