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US 5,516,933 AGranted
Lactone-modified diketene(meth)acrylate compound, a process for the preparation thereof, and a (co)polymer
AssigneeDaicel Chemical Industries, Ltd.
InventorsTakaaki Fujiwa, Tomoshisa Isobe
Life of this patent
Estimating the term…
Abstract
Disclosed are a novel lactone-modified diketene (meth) acrylate compound having an active methylene group in the molecule and a process for the preparation thereof.
Claims4
A lactone-modified diketene(meth)acrylate compound represented by the following general formula (I):
- ##STR18## wherein R1 is hydrogen or a methyl group, R2 is a hydrocarbon residual group having a carbon number ranging from 1 to 10, n is an integer ranging from 1 to 20 and X is a structural unit derived from the ring opening reaction of a lactone compound represented by the following formula:
- ##STR19## wherein z is an integer ranging from 4 to 8, and Ra and Rb are each an independent hydrogen atom or a methyl group.
Dependencies are inferred from the claim text.