Surface-modified wholly aromatic polyamide filaments

Details Surface-modified wholly aromatic polyamide filaments Surface-modified wholly aromatic polyamide filaments

1989-08-16

1992-01-14

Lesmes, George F.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428373, 428375, 428395, 252 86, 252 89, D02G 300

Patent

active

050809741

ABSTRACT:
Surface-modified wholly aromatic polyamide filaments usable as a reinforcing material for rubber or synthetic resin articles, each comprising a wholly aromatic polyamide core filament; an intermediate coating layer formed on the core filament and comprising a copolymer of (a) a water-soluble or self-emulsifying urethane-modified bisphenol A type epoxy compound with an epoxy equivalent of 200 to 800 with (b) an aliphatic polyglycidylether compound with an epoxy equivalent of 100 to 250; and a surface coating layer formed on the intermediate coating layer and comprising a lubricant, the weight ratio of the intermediate coating layer to the surface coating layer being 20:80 to 80:20.

REFERENCES:
patent: 4034138 (1977-07-01), Babayan
patent: 4259404 (1981-03-01), van Gils
patent: 4482660 (1984-11-01), Minamisawa
patent: 4652488 (1987-03-01), Willemsen
patent: 4891267 (1990-01-01), Takahashi
Database WPIL-Derwent 83-62338k, 82-96628e.

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