Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1987-04-27
1991-04-02
Schofer, Joseph L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
560205, C07C 6952
Patent
active
050048287
ABSTRACT:
This invention relates to novel hydroxy-functional polyester diluents, and more particularly, to acrylic-modified hydroxy-functional polyester reactive diluents useful for blending with a variety of thermosetting or thermoplastic film-forming polymers. More specifically, the hydroxy-functional polyester reactive diluents are essentially low molecular weight polyesters derived from triols, and a combination of unsaturated monocarboxylic acids and saturated monocarboxylic acids. These hydroxy-functional polyester diluents may be compolymerized with one or more acrylic monomers, i.e. hydroxy-functional acrylic monomers, and blended with a variety of thermosetting or thermoplastic film-forming polymers. These blends of the film-forming polymers and the hydroxy-functional polyester diluents can be crosslinked with conventional crosslinking agents as isocyanates and used in the formulation of low VOC paint compositions particularly useful as automotive topcoats.
REFERENCES:
patent: 4243705 (1981-01-01), Yapp et al.
patent: 4451600 (1984-05-01), Fry
patent: 4560494 (1985-12-01), Druetzler
patent: 4619955 (1986-10-01), Druetzler
McDonald Robert E.
Reddick J. M.
Schofer Joseph L.
Tan Steven W.
The Sherwin-Williams Company
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