Patent ID: 11945941
Assignee: ELITE MATERIAL CO., LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 7:
8. An article comprising a plastic sheet, a resin film, a laminate or a printed circuit board,
wherein the article is made from a resin composition comprising:
100 parts by weight of a fluorine-containing compound, which comprises tetrafluoroethylene homopolymer, perfluoroalkoxy alkane polymer or a combination thereof;
2 parts by weight to 6 parts by weight of a butyral copolymer, which comprises a unit of Formula (I), a unit of Formula (II) and a unit of Formula (III), wherein 1 is an integer of 40 to 250, m is an integer of 5 to 380, n is an integer of 55 to 2500, and wherein the butyral copolymer has a content of hydroxyl group of 21 mol % to 80 mol %,, and
20 parts by weight to 150 parts by weight of an inorganic filler,
wherein the tetrafluoroethylene homopolymer is tetrafluoroethylene homopolymer powder of average particle size of 0.15 μm to 0.40 μm dispersed in aqueous solution, and the perfluoroalkoxy alkane polymer is perfluoroalkoxy alkane polymer powder of average particle size of 0.15 μm to 0.50 82 m dispersed in aqueous solution, and
the resin composition further comprises solid powder of tetrafluoroethylene homopolymer of average particle size of 20 μm to 50 μm.