Thermoplastic polyurethane resins

Details Thermoplastic polyurethane resins Thermoplastic polyurethane resins

1981-12-24

1983-08-23

Kight, III, John

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 65, 528 76, 528 80, 528 83, 528905, C08G 6900, C08G 6908, C08G 6914

Patent

active

044004982

ABSTRACT:
The thermoplastic polyurethane resin having a molecular weight larger than about 5,000 is obtainable by the polyaddition of a long chain diol (A) having a molecular weight ranging from about 500 to 3,000, an organic diisocyanate (C) and a short chain triol (D) having a molecular weight lower than about 500 and specified structures and, as desired, a short chain diol (B) having a molecular weight ranging from about 50 to 500, in specified ratios.
The thermoplastic polyurethane resin provides particularly enhanced heat resistance and solvent resistance with improved dispersibility of a pigment or the like and other resins and favorable compatibility with a solvent or the like.

REFERENCES:
patent: 3009765 (1959-02-01), Slovin et al.
patent: 3012987 (1961-12-01), Ansul et al.
patent: 3049516 (1962-08-01), Damusis
patent: 3165566 (1965-01-01), Murphy et al.
patent: 3386962 (1968-06-01), Damusis
patent: 3457225 (1969-07-01), Damusis
patent: 3595838 (1971-07-01), Ogino
patent: 3663513 (1972-05-01), Kazama et al.
patent: 3691117 (1972-09-01), Messerly

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