Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1991-08-28
1992-12-08
Lesmes, George F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428245, 428283, 428288, 428289, 428290, 428294, 428408, 4284755, 428902, 523457, 523458, 528172, B32B 700, B32B 900, B32B 516, D04H 100
Patent
active
051697106
ABSTRACT:
Layered, fiber-reinforced composites toughened by the use of thermosetting matrix resins including rigid particles are improved in toughness when the particles are porous and have a spheroidal spongy structure, are formed of a polyamide. The method of the invention is particularly effective in improving the toughness of composites based on thermoset matrix resins, and particularly epoxy resins.
REFERENCES:
patent: 4831061 (1989-05-01), Hilaire et al.
patent: 5028478 (1991-07-01), Odagiri et al.
"Tough Resin/Carbon Fibre Composites", Muraki et al., High Tech--The Way Into The Nineties, edited by K. Brunsch et al. Elsevier Science Publishers, B. V., Amsterdam 1986, pp. 163-176, This paper was first presented at the 7th International Conference, SAMPE European Chapter, Jun. 1986, Paris, France.
Hoffman Richard E.
Newman-Evans Richard H.
Qureshi Shahid P.
Amoco Corporation
Lesmes George F.
Schlott Richard J.
Sroka Frank J.
Wagner Robert J.
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