Laminar structure having an impregnated fibrous web

Details Laminar structure having an impregnated fibrous web Laminar structure having an impregnated fibrous web

1974-07-17

1976-01-20

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

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

427 96, 427123, 428416, 428480, 428901, 428296, 428260, B32B 2738, B32B 1508

Patent

active

039340678

ABSTRACT:
A method of improving the dimensional and thermal stability of a fibrous web containing substrate is disclosed. A uniformly or randomly spun or bonded fabric or textile support is impregnated with a curable polymer resin, e.g., an epoxy-polyester resin. The impregnated resin is then fully cured whereupon a polymer resin coat is applied thereto. The coat is maintained in a partial cure state whereby a laminate comprising an internal woven or bonded fabric skeleton impregnated with a fully cured polymer resin and coated with a layer of a partially cured polymer resin is obtained.

REFERENCES:
patent: 3027279 (1962-03-01), Kurka et al.
patent: 3036948 (1962-05-01), Danielson
patent: 3493414 (1970-02-01), Hastings
patent: 3649475 (1972-03-01), Degnan et al.
patent: 3654097 (1972-04-01), Degnan

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