Patent · US Expired

Additives for powder resins

US3947528A · kind A · utility

14Cited by

2References

1Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Frank Wingler · Leverkusen, DE
Richard A. Muller · Berkeley, US
Dieter Pollheide

Key dates

Filing date	May 16, 1974
Grant date	Mar 30, 1976
Priority date	—
Expiry date	May 16, 1994

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L33/08
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Copolymers of (meth)acrylates and .alpha.,.beta.-monoolefinically unsaturated carboxylic acid having 3 to 5 carbon atoms are used as additives for improving levelling, glass and reactivity in powder lacquers. Said powder lacquers contain polymerized units of at least 35% by weight of styrene and (meth)acrylate and 5 to 30% by weight of at least one monomer containing a hydroxyl, carboxyl, glycidyl, N-methylol or N-methylol ether group. The powder lacquer mixture contains 0.1 to 5% by weight of the additive.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.