Polyurethane resins prepared from active hydrogen containing mat

Details Polyurethane resins prepared from active hydrogen containing mat Polyurethane resins prepared from active hydrogen containing mat

1976-11-10

1978-05-30

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AM, 260 25BE, 260 292TN, 260 775AA, C08G 1814

Patent

active

040922758

ABSTRACT:
The instant invention relates to the use of stable, relatively low viscosity dispersions of polyisocyanate-polyaddition products in hydroxyl containing compounds as dispersing agents in the preparation of polyurethane resins. The dispersions are made by a process which broadly comprises mixing an aqueous dispersion of an isocyanate-polyaddition product with a compound having at least two hydroxyl groups and having a boiling point about 100.degree. C, and thereafter at least partially distilling off the water.

REFERENCES:
patent: 3178310 (1965-04-01), Berger et al.
patent: 3360495 (1967-12-01), Muller et al.
patent: 4016121 (1977-04-01), Matsuda et al.

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