Non-aqueous lacquer with high protection against stone chipping,

Details Non-aqueous lacquer with high protection against stone chipping, Non-aqueous lacquer with high protection against stone chipping,

1984-10-04

1987-03-03

Cockeram, Herbert S.

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...

525124, 525403, 525440, 4284242, 4284231, C08G 1880, C08F 830, B32B 2700

Patent

active

046476458

ABSTRACT:
Non-aqueous lacquer with high resistance to stone chipping, containing, as binder, a mixture of film forming, hydroxyl-containing copolymers with blocked polyisocyanates which have been obtained by the reaction of polyhydroxyl compounds containing 2 to 4 hydroxyl groups per molecule and having a molecular weight of from 400 to 2,000 with aliphatic and/or cyclo aliphatic diisocyanates, the ratio of isocyanate groups to hydroxyl groups being in the range of from 2.2 to 1.7, followed by reaction of the remaining free isocyanate groups with acetoacetic acid alkyl esters containing, as alkyl groups, methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl or sec.-butyl groups, a process for its preparation, and its use.

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