Claims
- 1. A photopolymerizable composition comprising
- (a) a monomeric component which is a half acryloyl ester of bisphenol A epoxy monomer;
- (b) an initiating system activated by actinic radiation; and
- (c) a preformed macromolecular elastomeric water-insoluble polymer binder having substantially no acidic groups; with the proviso that after exposure of the photopolymerizable composition to actinic radiation a resulting photopolymerized composition has the ability to withstand contact without dissolution for 24 hours with a liquid at a pH 12 maintained at a temperature of 70.degree. C. and with the further proviso that after lamination of the photopolymerizable composition onto a glass-epoxy substrate and upon exposure of actinic radiation and curing at a temperature of 150.degree. C. a resulting photopolymerized composition can withstand a peel force of at least 5.0 pounds per linear inch without removal of the exposed and cured photopolymerized composition from the substrate.
- 2. The composition of claim 1 wherein component (a) comprises ##STR15## wherein R.sub.1 is ##STR16## R.sub.2 is ##STR17## R.sub.3 is H or an alkyl group 1 to 10 carbon atoms, and A is --(CH.sub.2).sub.q --O)--.sub.r, or ##STR18## or --A-- represents a linkage between O and ##STR19## and wherein m is an integer from 1 to 10,
- n is zero or an integer from 1 to 5,
- q is an integer from 1 to 10
- r is an integer from 1 to 10, and
- s is an integer from 1 to 10.
- 3. The composition of claim 2 wherein for Formula (I) of component (a): ##STR20## and R.sub.2 is ##STR21## and n is 2.
- 4. The composition of claim 2 wherein Formula (I) is at least 30% by weight of component (a).
- 5. The composition of claim 3 wherein Formula (I) is at least 30% by weight of compound (a).
- 6. The composition of claim 2 wherein an analogue of Formula (I) is present with Formula (I) as defined except R.sub.1 and R.sub.2 are identical for the analogue.
- 7. The composition of claim 3 wherein an analogue of Formula (I) is present with Formula (I) as defined except R.sub.1 and R.sub.2 are identical.
- 8. The composition of claim 7 wherein R.sub.1 and R.sub.2 are both ##STR22##
- 9. The composition of claim 7 wherein R.sub.1 and R.sub.2 are both ##STR23##
- 10. The composition of claim 8 wherein which addition contains an analogue wherein both R.sub.1 and R.sub.2 are ##STR24##
- 11. The composition of claim 1 wherein an acrylated urethane is present.
- 12. An article wound in a roll comprising a storage stable photopolymerizable composition supported by a flexible film whereby the photopolymerizable composition comprises
- (a) a monomeric component which is a half acryloyl ester of bisphenol A epoxy monomer;
- (b) an initiating system activated by actinic radiation; and
- (c) a preformed macromolecular elastomeric water-insoluble polymer binder having substantially no acidic groups; with the proviso that after exposure of the photopolymerizable composition to actinic radiation a resulting photopolymerized composition has the ability to withstand contact without dissolution for 24 hours with a liquid at a pH 12 maintained at a temperature of 70.degree. C. and with the further proviso that after lamination of the photopolymerizable composition onto a glass-epoxy substrate and upon exposure of actinic radiation and curing at a temperature of 150.degree. C. a resulting photopolymerized composition can withstand a peel force of at least 5.0 pounds per linear inch without removal of the exposed and cured photopolymerized composition from the substrate.
- 13. The article of claim 12 wherein component (a) comprises ##STR25## wherein R.sub.1 is ##STR26## R.sub.2 is ##STR27## R.sub.3 is H or an alkyl group 1 to 10 carbon atoms, and A is --(CH.sub.2).sub.q --O)--.sub.r, or ##STR28## --A-- represents a linkage between O and ##STR29## and wherein m is an integer from 1 to 10,
- n is zero or an integer from 1 to 5,
- q is an integer from 1 to 10
- r is an integer from 1 to 10, and
- s is an integer from 1 to 10.
- 14. The article of claim 13 wherein Formula (I) of component (a) includes ##STR30## and ##STR31## and n is 2.
Parent Case Info
This application is a continuation of application Ser. No. 06/936,880 filed Dec. 2, 1986, now abandoned.
US Referenced Citations (8)
Continuations (1)
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Number |
Date |
Country |
Parent |
936880 |
Dec 1986 |
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