Abrasive filaments and production process thereof

Details Abrasive filaments and production process thereof Abrasive filaments and production process thereof

1991-06-26

1993-08-24

Ryan, Patrick J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428372, 428397, 526255, D02G 300

Patent

active

052387399

ABSTRACT:
Abrasive filaments made of a composition which comprises 95-70 vol. % of a polyvinylidene fluoride resin, whose inherent viscosity (.eta..sub.inh) ranges from 0.9 to 1.4, and 5-30 vol. % of abrasive grains. They are produced by melt-spinning the composition and then stretching the resultant filaments at a draw ratio of 2.5 times-5.5 times within a temperature range of 100.degree.-200.degree. C.

REFERENCES:
patent: 3707592 (1972-12-01), Ishii et al.
patent: 4546158 (1985-10-01), Mizuno et al.
patent: 4627950 (1986-12-01), Matsui et al.
patent: 4629654 (1986-12-01), Sasaki et al.
patent: 4670527 (1987-06-01), Mizuno
patent: 4833027 (1989-05-01), Ueba et al.

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