BUTENE-1 COPOLYMERS AND PROCESS FOR THEIR PREPARATION
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Jan 26, 2011
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Nov 28, 2002
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Abstract
The present invention relates to butene-1 copolymers containing up to 40% by mol of ethylene and/or propylene derived units characterized by the following properties: d) Product of the reactivity ratios r1r2.ltoreq.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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