Process for isocyanurating hexamethylene-diisocyanate using a so

Details Process for isocyanurating hexamethylene-diisocyanate using a so Process for isocyanurating hexamethylene-diisocyanate using a so

1984-08-13

1986-08-05

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...

524314, 524377, 525123, 528 48, 528 49, 528 51, 528 53, C08L 7504

Patent

active

046044183

ABSTRACT:
The invention relates to a process for isocyanurating hexamethylene-diisocyanate containing polyol adduct thereof using a novel catalyst and to a paint composition formed from of the product of the above mentioned process and polyol, and to the composition yielding a paint film showing an excellent light resistance and weather resistance, especially high yellowing resistance.

REFERENCES:
patent: 2978449 (1961-04-01), France et al.
patent: 3284413 (1966-11-01), Heiss et al.
patent: 4288586 (1981-09-01), Bock et al.
Saunders et al, Polyurethanes Part I, Interscience, NY, 1962, pp. 86-88.
ASTM D 1638-74, pp. 146-147, 1974.
Saunders et al, Polyurethanes, Part I, Interscience, N.Y. 1963, pp. 94 and 95.

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