C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
403/12, 400/5106
C09D 5/03 (2006.01) C08J 3/12 (2006.01)
Patent
CA 2009422
CASE 437 ABSTRACT OF DISCLOSURE RESINOUS COMPOSITIONS A powder coating composition which is a dry particulate mixture of a thermosetting resin or of a thermoplastic resin and vesiculated polymer granules. The polymer granules have a volume mean diameter of from 3 to 30 microns and are formed of a polymeric material which is not melted or degraded during any of the conditions of time and temperature which arise during preparation of the compositions or subsequent use. The amount of the polymer granules in the composition is at least 40% by volume. The powder coating compositions produce a matt finish rather than the previous glossy style. The polyrneric granules preferably are spherical and the vesicles occupy from 5 to 95% of the volume of the granules. The powder compositions can be used for wide variety of uses.
Sim & Mcburney
Tioxide Group Plc
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