High build, ambient cure coating compositions

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...

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Details

524493, 524871, 524872, 524873, 524874, 524875, 524906, 524847, C08K 336

Patent

active

045131120

ABSTRACT:
The use of isocyanate-functional prepolymers containing from recurring poly(ethylene oxide) units and colloidal silica in two-pack polyurethane compositions not only increases the flexibility of high build coatings prepared from such compositions but is also effective in controlling the mixed viscosity.

REFERENCES:
patent: 3420800 (1969-01-01), Haggis
patent: 3607822 (1971-09-01), Nishino
patent: 3919173 (1975-11-01), Coyner et al.
patent: 3923926 (1975-12-01), Harada et al.
patent: 4038239 (1977-07-01), Coyner et al.

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