Photocurable resin composition and optical parts
US6710097B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 3, 2001 |
| Grant date | Mar 23, 2004 |
| Priority date | — |
| Expiry date | Dec 3, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/672
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A photocurable resin composition comprising:(A) a urethane (meth)acrylate produced by reacting at least a polyether polyol with a number average molecular weight of 500 or more having an alkyleneoxy structure in the molecule, an organic polyisocyanate compound, and a (meth)acrylate containing a hydroxyl group;(B) a monofunctional (meth)acrylate shown by the following formula (1), wherein R1 represents a hydrogen atom or a methyl group, R2 represents —(CH2CH2O)p—, —(CH(CH3)CH2O)q—, or —CH2CH(OH)CH2O—, Y1, Y2, and Y3 individually represent a hydrogen atom, bromine atom, alkyl group having 1-10 carbon atoms, phenyl group, or —C(CH3)2C6H5—, and p and q represent integers from 0 to 10; and(C) a photoinitiator;its use and optical parts prepared from the photocurable resin composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.