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Title:
IMPROVED NONAQUEOUS DISPERSION
Document Type and Number:
Japanese Patent JP3305350
Kind Code:
B2
Abstract:

PURPOSE: To provide a dispersion which gives a coating compsn. excellent in stability, filtrability, gloss, viscosity, drying time, etc.
CONSTITUTION: A nonaq. dispersion. in an alkyd medium, of an addition polymer having a Z-average mol.wt. higher than about 150,000 and an NVM of about 70% or lower is prepd. by the free-radical addition polymn. of at least two monomers in the presence of the alkyd medium and a chain transfer agent. At least one monomer copolymerized in the above-mentioned process is selected from among acrylonitrile, methacrylonitrile, hydroxyethyl acrylate, hydroxyethyl methacrylate, methyl acrylate, methyl methacrylate, acrylamide, methacrylamide, vinyl chloride, vinylidene chloride, acrylic acid, methacrylic acid, itaconic acid, maleic acid, fumaric acid, methyl itaconate, methyl maleate, methyl fumarate, and mixtures of these monomers provided at least one monomer copolymerized has a hydroxyl-functional group.


Inventors:
Richard F Tomco
Mad Hacker Rao
Daniel Earl Seia
Application Number:
JP3784892A
Publication Date:
July 22, 2002
Filing Date:
February 25, 1992
Export Citation:
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Assignee:
The Sherwin-Williams Company
International Classes:
C08F2/06; C08F2/04; C08F2/08; C08F2/44; C08F283/02; C08G12/40; C08G18/42; C08G59/40; C08G63/12; C08G63/48; C08G63/49; C08L51/08; C08L67/00; C08L67/02; C08L67/08; C08L101/00; C08L101/06; C09D167/08; (IPC1-7): C08F2/44; C08F2/06; C08F283/02; C08L67/08; C09D167/08
Domestic Patent References:
JP2292306A
JP58118863A
JP56157417A
Other References:
【文献】米国特許4983716(US,A)
Attorney, Agent or Firm:
Minoru Nakamura (6 outside)