Polymer modified unsaturated polyester or polyesteramide resins

Details Polymer modified unsaturated polyester or polyesteramide resins Polymer modified unsaturated polyester or polyesteramide resins

1986-01-27

1988-10-11

Short, Patricia

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523526, 524513, 524855, 524878, 525167, 525168, C08L 6706, C08L 7712

Patent

active

047771968

ABSTRACT:
Polymer modified unsaturated polyester(amides) are prepared by reacting ethylenically unsaturated polycarboxylic acids or anhydrides with water, polyol or mixtures of polyols and polyamines, and a hydrocarbon mixture comprising esterifiable hydrocarbons such as dicyclopentadiene, ethylenically unsaturated aromatic hydrocarbons such as styrene or polymerized derivatives thereof, and non-reactive hydrocarbons. The polyester(amides) have improved properties such as reduced shrinkage upon curing.

REFERENCES:
patent: 4148765 (1979-04-01), Nelson
patent: 4247335 (1981-01-01), Beckham
patent: 4409371 (1983-10-01), Hefner
patent: 4410686 (1983-10-01), Hefner
patent: 4611015 (1986-09-01), Hefner
Handbook of Composites Lubin, G., p. 19, Van Nostrand Reinhold Co., 1982

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