Polyolefin compositions having low hardness and low gloss

Polyolefin compositions having low hardness and low gloss

  • CN 101,583,661 A
  • Filed: 10/24/2007
  • Published: 11/18/2009
  • Est. Priority Date: 12/07/2006
  • Status: Active Application
First Claim
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1. polyolefin compositions, described polyolefin compositions comprises:

  • A) alfon of 10-25% weight or propylene and one or more are selected from ethene and CH 2The multipolymer of the comonomer of=CHR alpha-olefin or the combination of described polymkeric substance, wherein R is the alkyl of 2-8 carbon, this multipolymer comprises one or more comonomers of 8% weight at the most;

    B) ethene of 75-90% weight and (i) propylene or (ii) CH 2=CHR the alpha-olefin or the (iii) multipolymer of its combination, wherein R is the alkyl of 2-8 carbon, the optional diene that comprises 54 to 65% weight ethene on a small quantity that contains;

    The fraction XS that wherein is dissolved in dimethylbenzene under the content B of copolymer component (B) and the room temperature is all based on the total weight of (A)+(B), and its weight ratio B/XS is 1.50 or littler.

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