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US07943717B2 Butene-1 copolymers and process for their preparation 有权
丁烯-1共聚物及其制备方法

Butene-1 copolymers and process for their preparation
摘要:
The present invention relates to butene-1 copolymers containing up to 40% by mol of ethylene and/or propylene derived characterized by the following properties: d) Product of the reactivity ratios r1·r2≦2; e) Content of butene-1 units in form of isotactic pentads (mmmm)>98%; and f) absence of 4,1 insertions of butene units.
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