Polyether polyurethane prepolymers containing finely divided ino

Details Polyether polyurethane prepolymers containing finely divided ino Polyether polyurethane prepolymers containing finely divided ino

1984-05-03

1985-11-05

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...

252182, 524425, 524431, 524590, 524871, 524875, 528 64, 528 65, 528 76, C08L 7504

Patent

active

045514984

ABSTRACT:
A novel polyether polyurethane polymer comprising the reaction product of an organic diisocyanate and a linear polyhydroxyl polyether having a molecular weight of less than 8000 and from 0.01 to 1%, by weight, of finely-divided inorganic particles is described, together with a process for producing a cast elastomer by reacting this polymer with a cross-linking or chain-extending agent.

REFERENCES:
patent: 3607822 (1971-09-01), Nishino
patent: 3716502 (1973-02-01), Loew
patent: 4029593 (1977-06-01), Schapel et al.
patent: 4062825 (1977-12-01), Watabe et al.
patent: 4373082 (1983-02-01), Kimball et al.
patent: 4405752 (1983-09-01), Recker et al.
patent: 4438028 (1984-03-01), Schmittmann et al.

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