Glass fibers for reinforcing organic matrices

Details Glass fibers for reinforcing organic matrices Glass fibers for reinforcing organic matrices

1994-07-22

1995-11-28

Ryan, Patrick J.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428375, 428378, 428392, 4284111, 428426, 65443, 65448, 524494, B32B 900, B32B 2520

Patent

active

054706580

ABSTRACT:
Glass fibers are coated with a sizing composition comprising an aqueous emulsion based on at least one polyolefin having grafted thereon at least one acid or anhydride which is neutralized by at least one alcoholamine, at least one aminosilane coupling agent, and at least one primary, secondary or tertiary aliphatic monoamine stabilizing agent which is miscible with water and which has a pK.sub.b value lower than the pK.sub.b value of the amine group of the coupling agent, plus 1.
The glass fibers of the invention are intended more particularly for reinforcing polyolefin matrices such as polypropylene matrices.

REFERENCES:
patent: 4240944 (1980-12-01), Temple
patent: 4248935 (1981-02-01), Temple
patent: 4263082 (1981-04-01), Temple
patent: 4283322 (1981-08-01), Temple
patent: 4370157 (1983-01-01), Barch et al.
patent: 4370439 (1983-01-01), Melle et al.
patent: 4413085 (1983-11-01), Temple
patent: 4457970 (1984-07-01), Das et al.
patent: 4608304 (1986-08-01), Rosthauser
patent: 4728573 (1988-03-01), Temple
patent: 5130197 (1992-07-01), Temple

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