Elastomeric polyurethanes with improved properties based on crys

Details Elastomeric polyurethanes with improved properties based on crys Elastomeric polyurethanes with improved properties based on crys

1995-12-22

1997-07-15

Gorr, Rachel

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 64, 528 65, 528 66, 528 76, 2521822, 25218222, 521159, 521174, 521163, C08G 1810

Patent

active

056484470

ABSTRACT:
Polyurethane elastomers of improved elongation, tensile strength and other physical properties are prepared from a polyol component containing a crystallizable polyol and from 5 to 35 equivalent percent of a low monol polyoxypropylene polyol by one-shot, quasiprepolymer, and preferably, by prepolymer techniques involving chain extension with an aliphatic diol or aromatic amine.

REFERENCES:
patent: 3980606 (1976-09-01), Werner
patent: 5026815 (1991-06-01), Volker et al.
patent: 5185420 (1993-02-01), Smith et al.
patent: 5470813 (1995-11-01), Le Khac

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