Claims
- 1. A polymerizable monomer composition comprising:(a) at least 40 parts by weight of at least one thio(meth)acrylate monomer, (b) at least one high Abbe number monomer, (c) at the most 20 parts by weight of at least one aromatic polyvinyl monomer, and (d) at least one polythiol; for a total of 100 parts by weight of these components in the polymerizable monomer composition.
- 2. The composition of claim 1, further defined as comprising at least 50 parts by weight of at least one thio(meth)acrylate monomer.
- 3. The composition of claim 1, further defined as comprising at the most 15 parts by weight of an aromatic polyvinyl monomer.
- 4. The composition of claim 3, further defined as comprising at the most 10 parts by weight of an aromatic polyvinyl monomer.
- 5. The composition of claim 1, further defined as comprising a total of 10 to 40 parts by weight of one or more high Abbe number monomer.
- 6. The composition of claim 1, further defined as comprising a total of 5 to 20 parts by weight of one or more polythiol.
- 7. The composition of claim 1, further defined as including 0.5 to 10 parts by weight of the aromatic vinyl monomer.
- 8. The composition of claim 1, further comprising up to 30 parts by weight of at least one additional copolymerizable monomer, in addition to the 100 parts by weight of the at least one thio(meth)acrylate monomer, the at least one high Abbe number monomer, the aromatic polyvinyl monomer, and the at least one polythiol.
- 9. The composition of claim 8, wherein the at least one additional copolymerizable monomer is radical copolymerizable monomer.
- 10. The composition of claim 1, wherein the thio(meth)acrylate monomer is of the formula: whereinR is a linear or branched, monovalent or polyvalent aliphatic hydrocarbon radical, or a monovalent or polyvalent aromatic group, directly linked to the sulfur atom of the thio(meth)acrylate group(s) with an aromatic ring or by means of a linear alkyl chain, the R radical comprising optionally in its chain one or more groups of formula R1 is a hydrogen or —CH3, and n is an integer from 1 to 6.
- 11. The composition of claim 10, wherein n is an integer from 1 to 3.
- 12. The composition of claim 1, wherein in the thio(meth)acrylate monomer is non-aromatic.
- 13. The composition of claim 1, wherein in the at least one thio(meth)acrylate monomer is a monomer of the formula: wherein Y is a linear or branched C2-C14 arylene group or a C7-C26 alkylene group, a C3-C12 cycloalkylene group, a C6-C14 arylene group, or a C7-C26 alkarylene group, the carbon chains of Y can be interrupted by one or more oxygen and/or sulfur atoms and R1 is hydrogen or a methyl group, ora monomer of formula: wherein R1 and Y are defined as above and n is an integer from 1 to 10, or a mixture thereof.
- 14. The composition of claim 13, wherein n is an integer from 1 to 6.
- 15. The composition of claim 13, wherein in the at least one thio(meth)acrylate monomer is further defined as a mixture of:(1) 35% by weight of a monomer of formula: (2) 65% by weight of a monomer of formula: where n′ is an integer from 1 to 10.
- 16. The composition of claim 13, wherein the at least one thio(meth)acrylate monomer is further defined as a mixture in percent by weight based on the total weight of the mixture of:(1) 10% to 50% of a monomer of the formula: (2) 30% to 60% of a monomer of the formula: (3) 0 to 20% of a monomer of the formula:
- 17. The composition of claim 1, wherein in the at least one high Abbe number monomer is of the formula: wherein Y is a divalent radical of formula —O—, —CH2—, —C(CH3)2—, —C(H)(CH3)—,Z is a divalent radical of formula —(CH2)p —O—, p being an integer from 1 to 4, and Ra, Rb are H or CH3, Rc, Rd are, independently from one another, a linear or branched alkyl radical with 1 to 6 carbon atoms, R1, Rj are, independently from one another, a linear or branched alkyl radical with 1 to 10 carbon atoms, w″ is an integer from 1 to 3, x″ is an integer from 0 to 3, y″ is an integer from 0 to 3, providing x″+y″>1, k″ is an integer from 0 to 6, l″ is an integer from 0 to 6, r″ is an integer from 0 to 6, s″ is an integer from 0 to 6, z″ is an integer from 0 to 3, t″ is an integer from 0 to 3.
- 18. The composition of claim 17, wherein in the at least one high Abbe number monomer is a monomer of the formula:
- 19. The composition of claim 1, wherein in the at least one aromatic polyvinyl monomer is a monomer of the formula:[(CH2═CH) (A)a′]b′B where B is: A is a divalent chain of formula: Y′ is a hydrogen atom or an halogen a′ =0, 1 or 2, b′ is an integer from 2 to 6, and c′ is an integer from 1 to 4.
- 20. The composition of claim 19, wherein in the at least one aromatic polyvinyl monomer is divinylbenzene, divinylnaphthalene or a derivative thereof.
- 21. The composition of claim 1, wherein in the at least one polythiol monomer is a monomer of the formula R′(SH)n′, wherein R′ is an aliphatic, aromatic or heterocyclic radical and n′ is an integer from 2 to 5.
- 22. The composition of claim 21, wherein in the polythiol monomer is ethyleneglycol bis(thioglycolate), trimethylolpropane tris(3-mercaptopropionate), pentaerythritol tetrakis thiopropionate (PETP), 4-mercaptomethyl-3,6-dithia-1,8-octanedithiol (MDO), bis(2-mercaptoethyl)sulfide (DMDS) or pentaerythritol tetrakis thioglycolate (PETG).
- 23. The composition of claim 1, further comprising a photoinitiator and/or a thermal initiator.
- 24. The composition of claim 1, further defined as a photopolymerizable composition.
- 25. A composition prepared by polymerization of a polymerizable monomer composition comprising:(a) at least 40 parts by weight of at least one thio(meth)acrylate monomer, (b) at least one high Abbe number monomer, (c) at the most 20 parts by weight of an aromatic polyvinyl monomer, and (d) at least one polythiol; for a total of 100 parts by weight of these components in the composition.
- 26. The composition of claim 1, further defined as an optical or ophthalmic lens.
Priority Claims (1)
Number |
Date |
Country |
Kind |
99 12459 |
Oct 1999 |
FR |
|
Parent Case Info
This application is a continuation of PCT Application No. PCT/FR00/02771 filed Oct. 5, 2000, which claims priority to French Application No. 99 12459 filed Oct. 6, 1999.
Foreign Referenced Citations (3)
Number |
Date |
Country |
0745621 |
Dec 1996 |
EP |
WO 9626184 |
Aug 1996 |
WO |
WO 9638486 |
Dec 1996 |
WO |
Non-Patent Literature Citations (1)
Entry |
International Search Report dated Jan. 4, 2001. |
Continuations (1)
|
Number |
Date |
Country |
Parent |
PCT/FR00/02771 |
Oct 2000 |
US |
Child |
09/876280 |
|
US |