Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1987-01-12
1988-05-17
Short, Patricia A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
525 42, 525445, C08L 6706
Patent
active
047451416
ABSTRACT:
An unsaturated polyester resin coating composition comprises (A) 10 to 45 parts by weight of air dryable unsaturated polyester resin comprising a polybasic acid and a polyhydric alcohol, (B) 50 to 70 parts by weight of a filler and (C) 5 to 50 parts by weight of a vinyl monomer, the total amount of the components (A), (B) and (C) being 100 parts by weight; said unsaturated polyester resin (A) having (1) 10 to 50% of units of at least one member selected from the group consisting of cyclopentadiene and dicyclopentadiene and (2) 2 to 40% by units of an acyclic ether having allyl group and hydroxyl group, said % being % by mole based on said polybasic acid. The composition has an improved drying property and provides a coating film having an improved adhesion property to substrates, particularly in the wet state, and also to top coats, and having improved gloss and sharpness, and is particularly useful as a putty.
REFERENCES:
patent: 4163093 (1979-07-01), Hess
patent: 4228251 (1980-10-01), Mackawa
patent: 4233413 (1980-11-01), Monma
patent: 4274992 (1981-06-01), Buechler
patent: 4304883 (1981-12-01), Fujii
Akiyama Mamoru
Matsumura Akira
Shigematsu Sadao
Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
Short Patricia A.
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