PUR powder paints for matt coatings

Details PUR powder paints for matt coatings PUR powder paints for matt coatings

1988-09-15

1990-04-24

Short, Patricia

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...

524507, 525124, 525128, 525409, 525415, 525424, 525440, 525450, 525452, 525458, C08L 7502

Patent

active

049201735

ABSTRACT:
PUR powder paints with matt surfaces that level well after baking are obtained when polymers containing hydroxyl groups with more than 2 OH groups in the molecule are reacted with blocked polyisocyanate-urea adducts of polyisocyanates and polyamines with an NCO content of 8 to 15 wt. % and a free NCO content of up to 4 wt. %.

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