Structural laminates made with novel facing sheets

Details Structural laminates made with novel facing sheets Structural laminates made with novel facing sheets

1990-08-17

1991-03-19

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428285, 4283044, 4283191, 428323, 428324, 428326, 428328, B32B 326

Patent

active

050010050

ABSTRACT:
A structural laminate comprises at least one planar facing sheet comprised largely of glass fibers but not having micro-glass as a filler. The facing sheet is self adhered to a rigid thermosetting plastic foam core. The non-glass filler material is chosen from a group consisting of clay, mica, talc, limestone (calcium carbonate), gypsum (calcium sulfate), aluminum trihydrate (ATH), antimony oxide, cellulose fibers, and plastic polymer fibers. The non-glass filler material improves containment of liquid plastic thermosetting polymer, and offers economic and safety advantages.

REFERENCES:
patent: 3671355 (1972-06-01), Paymal
patent: 4049852 (1977-09-01), Smith, Jr.
patent: 4082885 (1978-04-01), Rashid et al.
patent: 4459334 (1984-07-01), Blanpied et al.
patent: 4600634 (1986-07-01), Langer

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