Polyolefin composition containing ultrafine sorbitol and xylitol acetals

Polyolefin composition containing ultrafine sorbitol and xylitol acetals

CN
  • CN 1,044,127 C
  • Filed: 04/30/1993
  • Issued: 07/14/1999
  • Est. Priority Date: 05/01/1992
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of finings is sneaked into method in the translucent polyolefin resin, this method may further comprise the steps:

  • The described polyolefin resin of 100 weight parts is mixed with the finings that is selected from following formula;

    compound of 0.01-100 weight part;

    Wherein;

    p is 0 or 1, and m and n are respectively 0-3, and when R existed, each R was selected from C respectively 1-8Alkyl, C 1-4Alkoxyl group, hydroxyl, halogen, C 1-6Alkylthio, C 1-6Alkyl sulfoxylic acid base and one can be gone up adjacent carbons with unsaturated female ring and form 4 yuan or 5 yuan alkyl of isocyclic, and wherein said finings is d 97Be equal to or less than 30 μ

    m, median size is equal to or less than the powder of 15 μ

    m;

    Heat described mixture at least 170 ℃

    of temperature to the fusing point that is lower than described finings;

    AndWhen described resin is in molten state, mix described mixture, be dissolved in the described resin up to described finings.

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