Process of making fused, oriented-grain polymeric materials

Details Process of making fused, oriented-grain polymeric materials Process of making fused, oriented-grain polymeric materials

1988-07-15

1989-11-07

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Vacuum treatment of work

264122, 264126, 264140, 2642884, B29C 6704

Patent

active

048790818

ABSTRACT:
A process for producing a thermoplastic material including the steps of molecularly orienting a thermoplastic material, grinding the oriented material to a particle size between about 0.01 to 10 mm and fusing the ground particulate material to substantially mutually adhere the particles thereby producing a sintered thermoplastic material. The fused product includes discrete fused particles of one or more anisotropically oriented thermoplastic polymers and exhibits isotropic increases in flexural modulus.

REFERENCES:
patent: 3493648 (1970-02-01), Griffith
patent: 4051112 (1977-09-01), Kuratsuji et al.
patent: 4623505 (1986-11-01), Traut

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