Controlled release catalysts and curing agents for making polyur

Details Controlled release catalysts and curing agents for making polyur Controlled release catalysts and curing agents for making polyur

1990-03-23

1993-01-05

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521122, 521123, 521128, 521129, 521170, 521902, C08G 1818, C08J 908

Patent

active

051771179

ABSTRACT:
Preparation of a polyurethane and/or polyisocyanurate product by the reaction of a composition containing an organic polyisocyanate, an active hydrogen containing compound and water as a blowing agent using an effective amount of a molecular sieve containing sorbed amine catalyst and/or crosslinker.

REFERENCES:
patent: 3036980 (1962-05-01), Dunham et al.
patent: 3227666 (1966-01-01), Showalter
patent: 3235620 (1966-02-01), Charleston et al.
patent: 3384680 (1968-05-01), Lusson
patent: 3417046 (1968-12-01), Giambra et al.
patent: 3499864 (1970-03-01), Millen et al.
patent: 3528933 (1970-09-01), Johnson
patent: 4518718 (1985-05-01), Frost
patent: 4707501 (1987-11-01), Petrella
patent: 4882363 (1989-11-01), Neuhaus et al.
"Chemical Loaded Molecular Sieves"; Union Carbide Bulletin; Jul. 1959.
Linde Bulletin F-1349; "Chemical Loaded Molecular Sieves in Rubber and Plastics"; Union Carbide Corporation; Dec., 1959.
CA Selects: Polyurethanes, Issue 6, 1988 108:76395b.

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