Preparing urethane polymer mixing isocyanate and premix of hydro

Details Preparing urethane polymer mixing isocyanate and premix of hydro Preparing urethane polymer mixing isocyanate and premix of hydro

1985-06-03

1987-06-30

Welsh, Maurice J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

1563314, 4273855, 4273935, 4284231, 525453, 525454, 525460, 528 60, 528 65, 528 66, 528 75, 528 78, 528 82, 528905, C08G 1838

Patent

active

046771573

ABSTRACT:
Method and composition are provided for repair of bumpers and like auto body components formed of synthetic organic polymers, by the use of a urethane polymer having a crystalline polymer phase distributed in a noncrystalline polymer phase by virtue of differential reactivity of the urethane forming reagents.

REFERENCES:
patent: Re31389 (1983-05-01), Brauer et al.
patent: 3691117 (1972-09-01), Messerly
patent: 4045527 (1977-08-01), Babayan et al.
patent: 4400498 (1983-08-01), Konishi et al.
patent: 4476292 (1984-10-01), Ham et al.

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