High impact strength fiber resin matrix composites

Details High impact strength fiber resin matrix composites High impact strength fiber resin matrix composites

1984-03-30

1985-09-03

Gannon, James C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

156175, 1563071, 1563073, 1563074, 1563075, 244119, 273DIG3, 273DIG7, 273DIG10, 273DIG23, 428236, 428248, 428251, 428252, 428285, 428286, 428287, 428302, 428408, 428902, B32B 2708, B32B 2730, B32B 2738, B32B 3108, B32B 3112

Patent

active

045392536

ABSTRACT:
Improved fiber resin matrix prepreg fabrics are disclosed which are comprised of a first layer of reinforcing fabric coated with an epoxy resin composition and a discrete second layer of an epoxy resin modified with an elastomeric polymer. The discrete second layer is provided with a support comprising a gauze-like, lightweight fibrous mat or carrier of lightweight fibers that preserves the second "interleaf" layer during cure. Cured composites having the continuous interleaf layer intact exhibit high impact strength and resistance to impact damage. 6

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patent: 4309473 (1982-01-01), Minamisawa et al.
patent: 4343843 (1982-08-01), Johnson et al.
patent: 4446255 (1984-05-01), Ying et al.

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