Thermosetting resin sandwich preimpregnation body and preparation method thereof, and copper-clad plate

Thermosetting resin sandwich preimpregnation body and preparation method thereof, and copper-clad plate

  • CN 105,172,270 A
  • Filed: 05/27/2014
  • Published: 12/23/2015
  • Est. Priority Date: 05/27/2014
  • Status: Active Application
First Claim
Patent Images

1. the sandwich prepreg of thermosetting resin, it is made up of intermediate layer and the skin being coated on its both sides, and described intermediate layer amounts to 100 quality % in filler+reinforcing material+thermosetting resin and comprises 20-80 quality % filler, 20-70 quality % reinforcing material, 0-30 quality % thermosetting resin;

  • Described skin in filler+thermosetting resin totally 100 quality % comprise 0-20 quality % filler, 20-80 quality % thermosetting resin.

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