The polyphenylene ether composition of resistance to dyeing and discoloration

The polyphenylene ether composition of resistance to dyeing and discoloration

  • CN 104,114,642 B
  • Filed: 02/13/2013
  • Issued: 08/07/2018
  • Est. Priority Date: 02/17/2012
  • Status: Active Grant
First Claim
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1. a kind of polymer composition, it includes:

  • (a) 10 to 45wt% polyphenylene oxide;

    (b) hydrogenated block copolymer of 5 to 65wt% alkenyl aromatic compounds and conjugated diene;

    (c) 0 to 20wt% polybutene, the polybutene are homopolymer or copolymer;

    (d) 2 to 60wt% fire retardant;

    (e) 0.1 to 20wt% anti-UV reagents, the wherein reagent include triaryl -1,3,5-triazines;

    (f) 0 to 50wt% ethylene and C3-C12The copolymer of alpha-olefin;

    With(g) 0 to 30wt% polyolefin homopolymer, the polyolefin homopolymer are selected from by polyethylene, polypropylene and polyisobuteneThe group of composition;

    The wherein described polymer composition does not include benzotriazole type UV absorbents, wherein all weight percent are based on instituteThe total weight of composition is stated, andThe product wherein prepared by the composition has the following properties that:

    (i) substantially flawless;

    (ii) heat exposure is carried out at 75 DEG C after 168 hours, the CIELAB color displacements (Δ

    E) shown are 3 or smaller;

    With(iii) after carrying out xenon arc according to ASTM D 4459 and exposing 300 hours, showing CIELAB color displacements (Δ

    E) is12 or smaller.

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