Superior solvent blends for synthesis of acrylic resins for high

Details Superior solvent blends for synthesis of acrylic resins for high Superior solvent blends for synthesis of acrylic resins for high

1982-06-28

1985-02-26

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

524365, 526293, 526320, 560205, C08F 206, C08F22020

Patent

active

045018685

ABSTRACT:
According to the present invention, an improved method for providing acrylic copolymer resins is provided in which the polymerization solvent comprises a blend of methyl isobutyl ketone and certain alkyl-substituted benzene solvents. The monomers comprise hydroxy-substituted alkyl (meth)acrylate monomers and non-hydroxy substituted alkyl (meth)acrylate monomers, and the process provides an improved method for forming low molecular weight acrylic resins useful as components in acrylic coatings. The polymerization solvent can remain in the resin to become a solvent employed in the higher solids coating containing the thus-formed acrylic resins and provides improved electrical resistivity, improved solvency and decreased surface tensions over prior art polymerization solvents.

REFERENCES:
patent: 3005796 (1961-10-01), Dreisbach et al.
patent: 3271375 (1966-09-01), Delacretaz et al.
patent: 3304280 (1967-02-01), Senior
patent: 4075242 (1978-02-01), Rhum et al.
patent: 4276212 (1981-06-01), Khanna et al.
patent: 4369296 (1983-01-01), Podszun et al.
DG-1P Data Sheet, Aromatic 100 and 150, issued by Exxon Corporation, May 20, 1977, (2 pp.).
D. Rum et al., "Acrylic Co-polymer Oligomers for High Solids Coating Resins", Journal of Coatings Technology, vol. 55, No. 703, pp. 75-79, (Aug. 1983), (p. 76, col. 1).

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