Diacrylates and dimethacrylates

Details Diacrylates and dimethacrylates Diacrylates and dimethacrylates

1994-11-21

2000-03-28

Dawson, Robert

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525922, C08F28310

Patent

active

06043323&

ABSTRACT:
Compounds of formulae (Ia) and (Ib) ##STR1## wherein the substituents R.sub.1 are each independently of the other hydrogen or methyl, R.sub.2 is an unsubstituted C.sub.1 -C.sub.20 alkyl group or a C.sub.1 -C.sub.20 alkyl group which is substituted by one or more than one substituent selected from the group consisting of hydroxy, C.sub.6 -C.sub.14 aryl and halogen, an unsubstituted phenyl group or a phenyl group which is substituted by one or more than one substituent selected from the group consisting of C.sub.1 -C.sub.6 alkyl, hydroxy or halogen, or is a radical of formula --CH.sub.2 --OR.sub.3, wherein R.sub.3 is an unsubstituted C.sub.1 -C.sub.20 alkyl group or a C.sub.1 -C.sub.20 alkyl group which is substituted by one or more than one substituent selected from the group consisting of hydroxy, C.sub.6 -C.sub.14 aryl and halogen, an unsubstituted phenyl group or a phenyl group which is substituted by one or more than one substituent selected from the group consisting of C.sub.1 -C.sub.6 alkyl, hydroxy and halogen, or is a C.sub.2 -C.sub.6 alkenyl group, a C.sub.2 -C.sub.20 acyl group or an unsubstituted cyclohexylcarbonyl group or a cyclohexylcarbonyl group which is substituted by one or more than one substituent selected from the group consisting of C.sub.1 -C.sub.6 alkyl, hydroxy and halogen, Z is a group of formulae (IIa)-(IIe) ##STR2## wherein Y is a direct bond, C.sub.1 -C.sub.6 alkylene, --S--, --O--, --SO--, --SO.sub.2 -- or --CO--, and R.sub.1 is hydrogen or methyl, and wherein the aromatic and cycloaliphatic rings of formulae (IIa)-(IIe) are unsubstituted or substituted by one or more than one substituent selected from the group consisting of C.sub.1 -C.sub.6 alkyl, chloro and bromo, form, in conjunction with other acrylates or methacrylates, low viscosity photocurable compositions which, when fully cured, give moulded articles of excellent flexibility.

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Chemical Abstr. 103:150986K.
Chemical Abstr. 116:49053x.
Derwent 91-126891/18.
Derwent Abstract WPI No: 92-3258840/40 of EP 506616.

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