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Soft polymer compositions having improved high temperature properties

  • US 20070049682A1
  • Filed: 08/18/2006
  • Published: 03/01/2007
  • Est. Priority Date: 09/01/2005
  • Status: Active Grant
First Claim
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1. A composition comprising a blend and optionally a first component, a second component, or both wherein the composition has a Shore D hardness of less than 50;

  • the blend comprises 20 to 50 weight % of at least one crystalline polyolefin and 50 to 80 weight % of at least one ethylene/alkyl (meth)acrylate copolymer, the ethylene/alkyl (meth)acrylate copolymer has a higher melt viscosity than the polyolefin;

    the first component is capable of improving the scratch-and-mar properties of the composition; and

    the second component includes plasticizer, stabilizer, antioxidant, UV absorber, antistatic agent, dye, pigment or other coloring agent, fluorescent whitening agent, inorganic filler, delustrant, terminating agent, fire-retardant, lubricant, reinforcing agent, foaming or blowing agent, processing aid, slip additive, antiblock agent, release agent, tackifying resin, or combinations of two or more thereof.

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