Nonwoven fabric comprising single filaments and filament bundles

Details Nonwoven fabric comprising single filaments and filament bundles Nonwoven fabric comprising single filaments and filament bundles

1990-03-28

1991-09-10

Lesmes, George

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Noninterengaged fiber-containing paper-free web or sheet...

428288, 428284, 428303, 428 345, 428902, 428292, 428232, 156245, 162149, 264257, 264258, B32B 2704, D04H 100, D04H 300

Patent

active

050472887

ABSTRACT:
Provided is a moldable sheet comprising a synthetic organic fiber nonwoven fabric for reinforcing resinous molded article and a resin composition having impregnated the nonwoven fabric. The nonwoven fabric comprises opened single filaments having a specific fineness and bundles of filaments laid parallel with one another having a specific total fineness distribution, said single filaments and said bundles of filaments being bonded with a binder of non-fiber form. By employing this construction, the nonwoven fabric can, when used for reinforcing resinous article, improve the impact resistance, i.e. falling ball impact resistance and Izod impact resistance, which have been poor with conventional glass-fiber reinforced resinous shaped articles, while maintaining the high mechanical strength of the resinous article.

REFERENCES:
patent: 4018646 (1977-04-01), Ruffo et al.
patent: 4656081 (1987-04-01), Ando et al.

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