Nonstaining polyurethane from cycloaliphatic or aliphatic diisoc

Details Nonstaining polyurethane from cycloaliphatic or aliphatic diisoc Nonstaining polyurethane from cycloaliphatic or aliphatic diisoc

1975-11-24

1977-07-26

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 75NK, 260 775AN, C08G 1810

Patent

active

040382567

ABSTRACT:
Laminates with staining rubber stocks can be made by adhering to the staining rubber stocks a nondiscoloring and nonstaining polyurethane comprising the reaction product of a mol of polyester of 1800 to 3500 molecular weight, 1.3 to 3.2 mols of a cycloaliphatic or an aliphatic diisocyanate and curing with 0.2 to 2.0 mols of an organic diamine or polyol of the nonstaining type, the polyester being polyhexanediol-ortho-phthalate or a blend of 50 to 80 percent of polyhexanediol-ortho-phthalate and 50 to 20 percent of polyhexanediol isophthalate.

REFERENCES:
patent: 2725366 (1955-11-01), Seeger et al.
patent: 3033825 (1962-05-01), Murphy
patent: 3297649 (1967-01-01), Kirschner
patent: 3383366 (1968-05-01), Taub
patent: 3554951 (1971-01-01), Blomeyer et al.
patent: 3632845 (1972-01-01), Brownsword
patent: 3813257 (1974-05-01), West
patent: 3899467 (1975-08-01), Bonk et al.
patent: 3905944 (1975-09-01), Finelli
patent: 3926919 (1975-12-01), Finelli
patent: 3929730 (1975-12-01), Graife et al.

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