Main > POLYMERS > Epoxy. Resin > Spiroorthocarbonate > Copolymer

Product USA. U

PATENT ASSIGNEE'S COUNTRY USA
UPDATE 02.00
PATENT ASSIGNEE University of Missouri
PATENT CLAIMS Compn comprising cationic initiated reaction prodt of 2,3,8,9-
di(tetramethylene)-1,5,7,11-tetraoxaspiro-[5,5]-undecane & multifunctional epoxy resin comprised of
- Diglycidyl ether of bisphenol A (5 parts)
- 3,4-Epoxycyclohexanemethyl-3,4-epoxycyclohexane carbo
xylate (4 parts)
- Vinyl cyclohexene dioxide (1 part)
Characterized by bulk shrinkage < 1% during polymn
PATENT PHOTOCOPY Available on request

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