Composite sheet for fibrous reinforcing material

Details Composite sheet for fibrous reinforcing material Composite sheet for fibrous reinforcing material

1991-07-08

1994-02-15

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428152, 428284, 428294, 428299, B32B 502

Patent

active

052865533

ABSTRACT:
Disclosed is a composite sheet for a reinforcing material, which comprises a web comprised of a reinforcing filament bundle and a thermoplastic polymer fiber in the form of single filaments, and this composite sheet is characterized in that the thermoplastic polymer fiber is involved in the web-constituting filaments in an entangled and integrated state. This composite sheet is prepared by a process comprising depositing and incorporating the thermoplastic polymer fiber in the form of single filaments in the web comprising the reinforcing filament bundle, and applying a jet stream of a fluid to the assembly.

REFERENCES:
patent: 4144370 (1979-03-01), Boulton
patent: 4145468 (1979-03-01), Mizoguchi et al.
patent: 4146663 (1979-03-01), Ikeda et al.
patent: 4476186 (1984-10-01), Kato et al.
patent: 4519804 (1985-05-01), Kato et al.

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