Cyclohexanedimethanol/diamine mixtures as RIM extenders

Details Cyclohexanedimethanol/diamine mixtures as RIM extenders Cyclohexanedimethanol/diamine mixtures as RIM extenders

1986-05-15

1987-04-21

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 521163, 528 64, 528 76, 528 83, 528 85, C08G 1814

Patent

active

046597476

ABSTRACT:
Polyurethane-polyurea polymers are disclosed that are derived from the reaction injection molding of organic polyisocyanates, optional high molecular weight active hydrogen containing compounds and extender mixtures comprising (i) aromatic diamines wherein at least one of the positions ortho to each amine group is substituted by a lower alkyl group and (ii) bis(hydroxyalkyl)cycloalkanes. The improved polymers have excellent resistance to high temperature conditions.

REFERENCES:
patent: 4218543 (1980-08-01), Weber
patent: 4269945 (1981-05-01), Vanderhider et al.
patent: 4296212 (1981-10-01), Ewen et al.
patent: 4374210 (1983-02-01), Ewen et al.
patent: 4433067 (1984-02-01), Rice et al.
patent: 4530941 (1985-07-01), Turner et al.

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