Laminated composite of a rigid polyisocyanurate substrate and me

Details Laminated composite of a rigid polyisocyanurate substrate and me Laminated composite of a rigid polyisocyanurate substrate and me

1988-04-25

1989-11-07

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428252, 428289, 428290, 4284228, 4284231, 428901, 428902, 175 685, 525 5422, 525452, 361397, B32B 900

Patent

active

048791644

ABSTRACT:
Laminated composites including methods for the preparation thereof comprising forming in combination in a mold at least one layer of a rigid polyisocyanurate by reacting in said mold a reaction mixture of an organic di- or polyisocyanate and a cyclic alkylene carbonate in the presence of a soluble adduct amine-carbonate catalyst, and at least one layer of material selected from metal, plastic, cellulose, glass and ceramic or combinations thereof.

REFERENCES:
patent: 2683730 (1954-07-01), Seeger et al.
patent: 3012008 (1961-12-01), Lister
patent: 3362979 (1968-01-01), Bentley
patent: 3619338 (1971-11-01), Gilman
patent: 3803088 (1974-04-01), Gardeski
patent: 3919279 (1975-11-01), Rosenthal et al.
patent: 3962302 (1976-06-01), Rosenthal et al.
patent: 4623577 (1986-11-01), Hsive et al.
patent: 4745215 (1988-05-01), Cox et al.

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