Abrasive filaments and production process thereof

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

1993-03-09

1994-02-22

Ryan, Patrick J.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428372, 428421, 525199, 51298, 51293, D02G 300

Patent

active

052885542

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 100-200.degree. C.

REFERENCES:
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patent: 4353960 (1982-10-01), Endo et al.
patent: 4386132 (1983-05-01), Dille 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.
patent: 5238739 (1993-08-01), Susa et al.

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