Glass fiber mat for reinforcing polyamides

Details Glass fiber mat for reinforcing polyamides Glass fiber mat for reinforcing polyamides

1981-12-14

1982-11-09

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

65 343, 65 344, 65 44, 156167, 156181, 156314, 156330, 1563317, 428198, 428285, 428287, 428288, 428290, 428297, 428298, 428302, 428303, 428327, 428391, 4284231, 428429, 428447, 523213, 523214, 523466, 524591, B32B 516

Patent

active

043585027

ABSTRACT:
A mat of randomly disposed multifilament glass strand of indefinite length bonded to each other within a binder consisting essentially of the dried residue of an aqueous dispersion of emulsified polyurethane or epoxy resin having an average particle diameter of at least about 0.6 .mu.m and an amine-functional organosilane, where the individual filaments are sized with a mixture of an amine-functional organosilane and an amide reaction product of a fatty acid with an aliphatic polyamine, the reaction product having residual amine functionality, gives improved impact strength when used to reinforce thermoplastic, and especially polyamide, laminates which are stamped to form shaped articles.

REFERENCES:
patent: 4246145 (1981-01-01), Mobnier et al.
patent: 4305742 (1981-12-01), Barch et al.

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