Non-woven reinforcement for composite

Details Non-woven reinforcement for composite Non-woven reinforcement for composite

1982-12-14

1984-07-17

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

428105, 428109, 428218, 428408, 428902, 428297, B32B 512

Patent

active

044606338

ABSTRACT:
The present invention provides a non-woven reinforcements for resinous composite. The reinforcements are constructed with warps consisting of non-twist yarns or soft twist yarns of multi-filament having a high strength and a high modulus on one or both sides of wefts of non-twist yarns of soft twist yarns containing adhesive agent, in which the warps and the wefts are bonded at intersections thereof.
As the reinforcement of the present invention has no flexure different from a woven fabric, fiber's physical property such as a high strength, a high modulus and the like is reflected faultlessly on the composite using the reinforcement.
In the reinforcement warp is not substantially restrained, so that matrix resin can be impregnated sufficiently into the reinforcement.
Further, because the warps and wefts are bonded at intersections by adhesion, the reinforcement is much easier to be handled without deformation or falling off especially after cutting than the case of a woven fabric.

REFERENCES:
patent: 3819461 (1974-06-01), Saffadi
patent: 3953641 (1976-04-01), Marquis
patent: 3983282 (1976-09-01), Seemann
patent: 4103055 (1978-07-01), Levy
patent: 4320160 (1982-03-01), Nishimura et al.
patent: 4360555 (1982-11-01), Bascom et al.

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