Powder slurry compositions with solid particulate carbamate resi

Details Powder slurry compositions with solid particulate carbamate resi Powder slurry compositions with solid particulate carbamate resi

1998-10-01

2000-11-21

Moore, Margaret G.

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

Synthetic resins

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

525428, 525443, 525456, 525474, 525523, C08K 507

Patent

active

061504653

ABSTRACT:
The invention provides a powder slurry composition comprising a first solid particulate component (a) dispersed in a crosslinking component (b) having at least one crosslinking resin which is liquid at 20.degree. C. First component (a) is in solid particulate form having an average particle size of from 3 to 30 microns. Component (a) has a compound (i) having a T.sub.g >40.degree. C. and at least one carbamate or urea functional group, or a group convertible to a carbamate or urea group appended thereto. Crosslinking component (b) has at least one crosslinking resin (i) which is liquid at 20.degree. C. Most preferably, crosslinking component (b) will further include a self-crosslinking aminoplast resin (ii) having at least two aminoplast groups and at least two groups which are nonreactive with solid particulate first component (a) but which are reactive with said aminoplast groups. The powder slurry composition of the invention has a VOC of less than 1.0 lbs./gal and provides performance and application improvements over the prior art.

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Esters of Carbamat Acid, Phillip Adams and Frank A. Baron, Jan. 4, 1985, pp. 567-602.

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