Polyurethane composition improved in dyeing property

Details Polyurethane composition improved in dyeing property Polyurethane composition improved in dyeing property

1984-05-31

1985-02-12

Welsh, Maurice J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525457, 525458, C08L 7500

Patent

active

044992211

ABSTRACT:
A polyurethane composition improved in dyeing property which comprises (A) a polyurethane and (B) a tertiary nitrogen atom-containing polymer incorporated therein in an amount sufficient to stabilize the polyurethane (A), said polymer (B) being the reaction product between (C) a tertiary nitrogen atom-containing diol and an excessive amount of (D) an organic diisocyanate, the terminal isocyanate group in said reaction product being blocked with a monoamine and/or a dialkylhydrazine.

REFERENCES:
patent: 3175990 (1965-03-01), Ruehl
patent: 3461101 (1969-08-01), Oertel et al.
patent: 3461106 (1969-08-01), Oertel et al.
patent: 3475377 (1969-10-01), Rosendahl et al.
patent: 3555115 (1971-01-01), Bottomley et al.

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