Oriented cell polyisocyanurate foam laminate

Details Oriented cell polyisocyanurate foam laminate Oriented cell polyisocyanurate foam laminate

1980-05-12

1981-04-28

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

156 79, 4284228, 521902, B32B 518

Patent

active

042646731

ABSTRACT:
Rigid isocyanurate based foam laminate product is provided wherein the foam cells, which are normally inherently somewhat anisotropic as formed, are re-ordered in the finished laminate product to produce a multicoordinate, uniformly random pattern, cell axis orientation that enhances the physical properties of the finished product. A method of causing the multicoordinate cell axis re-ordering to occur during product manufacture is disclosed.

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patent: 4028158 (1977-06-01), Hipchen et al.
patent: 4073997 (1978-02-01), Richards et al.
patent: 4149840 (1979-04-01), Tippmann
patent: 4204019 (1980-05-01), Parker

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