Polycarbonate or polyester carbonate containing optical brighteners

Polycarbonate or polyester carbonate containing optical brighteners

  • CN 1,685,002 A
  • Filed: 09/17/2003
  • Published: 10/19/2005
  • Est. Priority Date: 09/30/2002
  • Status: Active Application
First Claim
Patent Images

1. a composition comprises,A) be selected from polycarbonate and polyestercarbonate polymkeric substance andB) a kind of OB compound is selected from:

  • a kind of compound of general formula 1,

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