Polyacrylates and their use as levelling agents for powder coati

Details Polyacrylates and their use as levelling agents for powder coati Polyacrylates and their use as levelling agents for powder coati

1994-02-07

1995-03-14

Lipman, Bernard

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

526262, C08F 814

Patent

active

053978447

ABSTRACT:
Polyacrylates and their use for powder coatings are disclosed. In order to prepare the polyacrylates, acrylic acid, methacrylic acid, their esters with C.sub.1 -C.sub.4 alcohols, and/or fumaric acid, maleic acid, and their anhydrides are first polymerized. The polymers are then reacted with long chain alcohols, one alcohol having an aliphatic chain with 6 to 36 carbon atoms and a second alcohol having a cyclic amide structure. This polyacrylate is suitable as a levelling agent for powder coatings, in particular for powder lacquers. It improves the flowing behavior by reducing the orange peel effect and improves flowability.

REFERENCES:
patent: 3277030 (1966-10-01), Minsk et al.
patent: 4158730 (1979-06-01), Baumann et al.
patent: 5047259 (1991-09-01), Oberkobusch et al.

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