Prepreg and laminate

Prepreg and laminate

  • CN 104,169,343 B
  • Filed: 03/21/2013
  • Issued: 09/14/2018
  • Est. Priority Date: 03/23/2012
  • Status: Active Grant
First Claim
Patent Images

1. a kind of prepreg, which is that base material is infiltrated or is coated with varnish, is made by drying process thereafter,It is the resin combination of principal component, inorganic filling material and comprising propylene glycol monomethyl ether acetate that the varnish, which contains containing polyphenylene oxide,And the polar solvent of methyl ethyl ketone,The content of the polar solvent in the prepreg be 3 mass % hereinafter,Dielectric loss angle tangent under the 10GHz of the laminate made using the prepreg is 0.001~0.007,The shedding amount of the prepreg is 5 mass % or less.

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