Styrene-acrylonitrile copolymer foam with minimal yellowing

Styrene-acrylonitrile copolymer foam with minimal yellowing

  • CN 103,025,422 A
  • Filed: 05/04/2011
  • Published: 04/03/2013
  • Est. Priority Date: 05/13/2010
  • Status: Active Application
First Claim
Patent Images

1. polymeric foam goods, it comprises the polymer substrate that has defined the hole, described polymer substrate comprises with the weighing scale of the polymer substrate SAN of 50wt% at least, wherein said polymer substrate has the acrylonitrile dimers content that is lower than 145 weight portions and is lower than 8, the acrylonitrile trimer content of 500 weight portions, dimer and trimeric parts by weight are based on the polymer substrate of 1,000,000 weight portions.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×