Method of manufacturing thermostable pieces made from composite

Details Method of manufacturing thermostable pieces made from composite Method of manufacturing thermostable pieces made from composite

1986-07-23

1988-05-10

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

156180, 264131, 264135, 264136, 264137, 264174, 264320, 427 32, 427185, 427258, 4273743, 4274072, 427409, 4274123, 428383, B05D 124, B29C 4702

Patent

active

047434139

ABSTRACT:
A roving laid flat of unitary metal, mineral or synthetic filaments is treated with a powder, whose grain size is equal to the diameter of the filaments, of a plastic material chosen either from the group of thermosetting polyers including the epoxides, the phenolics, the polyesters with terminal groups --COOH, the polyimides, the acrylics and the polyurethanes, or prepolymerized polyamides modified by diamines, polyolefins modified by maleic anhydride or acrylic acid, partially hydrolized EVA copolymers, the E-VA-maleic anhydride terpolymers and eva copolymers grafted by the acrylic radical, then the powder charged rovings are coated by a thermoplastic polymer, such as polyamides, copolyamides and linear polyesters, the material thus obtained being placed in a mold under pressure and at a temperature not exceeding 170.degree. C.

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