(Meth)acrylate compound, additive for optical resin, optical element, and optical device
AssigneeNikon Corporation
InventorsMasakatsu Kasuya, Yosuke Inokuchi, Shiho Nishimura, Toru Nakamura
Life of this patent
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Abstract
Provided is an additive for an optical resin including a (meth)acrylate compound represented by general formula (1) below: [in general formula (1), each X independently represents a fluorine atom or a methyl group in which at least one hydrogen atom is substituted with a fluorine atom; m represents an integer of 0 to 5; R1 represents an alkylene group or an oxyalkylene group having a carbon number of 1 to 8; and R2 represents a hydrogen atom or a methyl group].
Claims12
A (meth)acrylate compound represented by general formula (1):
- wherein, in the general formula (1),
- each X independently represents a fluorine atom or a methyl group in which at least one hydrogen atom is substituted with a fluorine atom;
- m represents 0;
- R1 represents an alkylene group having a carbon number of 2 or of 4 to 8 or an oxyalkylene group having a carbon number of 1 to 8;
- and
- R2 represents a hydrogen atom or a methyl group.
An additive for an optical resin comprising a (meth)acrylate compound represented by general formula (1):
- wherein, in the general formula (1),
- each X independently represents a fluorine atom or a methyl group in which at least one hydrogen atom is substituted with a fluorine atom;
- m represents 0;
- R1 represents an alkylene group having a carbon number of 2 or of 4 to 8 or an oxyalkylene group having a carbon number of 1 to 8;
- and
- R2 represents a hydrogen atom or a methyl group.
A resin precursor composition comprising:
- bifunctional (meth)acrylate (A Component);
- monofunctional (meth)acrylate (B Component);
- and a photopolymerization initiator (C Component), wherein the B Component is a compound represented by general formula (1) below:
- wherein, in the general formula (1),
- each X independently represents a fluorine atom or a methyl group in which at least one hydrogen atom is substituted with a fluorine atom;
- m represents 0;
- R1 represents an alkylene group having a carbon number of 2 or of 4 to 8 or an oxyalkylene group having a carbon number of 1 to 8;
- and
- R2 represents a hydrogen atom or a methyl group.
An optical resin composition comprising:
- a constitutional unit represented by general formula (8):
- wherein, in the general formula (8),
- each R independently represents a hydrogen atom or a methyl group;
- each X independently represents a fluorine atom or a methyl group in which at least one hydrogen atom is substituted with a fluorine atom;
- m represents 0;
- and
- R1 represents an alkylene group having a carbon number of 2 or of 4 to 8 or an oxyalkylene group having a carbon number of 1 to 8-8.
Dependencies are inferred from the claim text.