Process for priming plastic substrates, coating compositions for

Details Process for priming plastic substrates, coating compositions for Process for priming plastic substrates, coating compositions for

1994-02-16

1995-03-21

Beck, Shrive

Coating processes

With post-treatment of coating or coating material

Heating or drying

B05D 702

Patent

active

053993837

ABSTRACT:
A process for priming of plastic substrates without adverse effects on the mechanical stability by applying to a plastic substrate, particularly a polyolefin substrate, a coating composition which comprises from 10 to 35% by weight of binders having an OH number of from 40 to 150, prepared from (meth)acrylamides, hydroxyalkyl (meth) acrylates and copolymerisable, olefinically unsaturated compounds with subsequent modification by means of polyisocyanates, up to 20% by weight of further binders, from 30 to 70% by weight of organic solvents, from 15 to 45% by weight of pigments and/or fillers, from 0 to 15% by weight of additives and from 1 to 30% by weight of epoxide- or polyisocyanate-based crosslinking agents.

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