High solids urethane coatings from new tetrahydroxy oligomers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...

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525438, 525528, 528 60, 528 75, 528 79, 528 81, C08G 1832, C08G 1842, C08L 6302

Patent

active

044243340

ABSTRACT:
A novel tetrahydroxy oligomer crosslinkable with polyisocyanates to form a coating composition adapted for use as an automative topcoat and which upon curing forms a hard, glossy, coating with outstanding durability and excellent resistance to solvents and water. The coating composition comprises:

REFERENCES:
patent: 3173971 (1965-03-01), Roth et al.
patent: 3719725 (1973-03-01), Murakami et al.
patent: 4314918 (1982-02-01), Birkmeyer
patent: 4316940 (1982-02-01), Thornley

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