Reinforced foam composites

Details Reinforced foam composites Reinforced foam composites

1986-03-12

1987-07-14

Foelak, Morton

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

428294, 428297, 4283188, 521 51, 521122, 521173, 521175, 521176, B05D 512

Patent

active

046802142

ABSTRACT:
There is disclosed a polyurethane foam of the rigid type having three different types of polyol components capable of having suspended therein fillers and reinforcing fibers. The foam is made into boards and the like and has continuous fiber glass strands or yarn disposed longitudinally in or adjacent the surface skin of the foam. The strands or yarn are parallel and close together and are flattened out in the foam-forming process so that the surfaces have a continuous fiber glass implant longitudinally and substantially so transversely.

REFERENCES:
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patent: 3382302 (1968-05-01), Marzocchi
patent: 3467605 (1969-09-01), Abercrombie et al.
patent: 3591532 (1971-07-01), Abercrombie et al.
patent: 3728289 (1973-04-01), Reuter et al.
patent: 3856716 (1974-12-01), Jenkins et al.
patent: 4102831 (1978-07-01), Osgood
patent: 4163824 (1979-08-01), Saidla
patent: 4544679 (1985-10-01), Tideswell et al.

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