Cured product, optical member, lens, compound, and curable composition

US11078180B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11078180-B2
Application numberUS-202016803896-A
CountryUS
Kind codeB2
Filing dateFeb 27, 2020
Priority dateAug 30, 2017
Publication dateAug 3, 2021
Grant dateAug 3, 2021

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

According to the present invention, a cured product obtained by curing a curable composition including a compound represented by General Formula 1, in which a birefringence Δn (587 nm) is 0.00≤Δn (587 nm)≤0.01, is provided, and this cured product is suitable for manufacturing an optical member. Pol 1 - Sp 1 - L 1 -Ar- L 2 - Sp 2 - Pol 2   (General Formula 1) In formula, Ar is an aromatic ring group represented by General Formula 2-2 and the like. In formula, Z 1 and Z 2 each represent a hydrogen atom, a methyl group, and the like; A 1 and A 2 each represent —S— and the like; X represents C(Rz) 2 and the like (where Rz is a substituent, and two Rz's may form a ring); L 1 and L 2 each represent a single bond, —O—, —OC(═O)—, —OC(═O)O—, —OC(═O)NH—, and the like; Sp 1 and Sp 2 each represent a single bond or a divalent linking group; Pol 1 and Pol 2 each represent a hydrogen atom or a polymerizable group; and a compound represented by General Formula 1 has at least one polymerizable group.

First claim

Opening claim text (preview).

What is claimed is: 1. A cured product obtained by curing a curable composition including a compound represented by General Formula 1, wherein a birefringence Δn at a wavelength of 587 nm is 0.00≤Δn≤0.01, Pol 1 - Sp 1 - L 1 -Ar- L 2 - Sp 2 - Pol 2   (General Formula 1) in formula, Ar is an aromatic ring group represented by General Formula 2-2, and in formula Z 1 and Z 2 each independently represent a hydrogen atom, a methyl group, or an ethyl group A 1 and A 2 each independently represent —S—, X represents C to which two cyano groups are bonded, C to which a cyano group and an alkoxy carbonyl group are bonded, or a ring represented by the following formula; wherein the ring represented by the above formula may be substituted by one or two alkyl groups having 1 to 6 carbon atoms and * represents a bonding position, L 1 and L 2 each independently represent —O—, —OC(═O)—, —C(═O)—, —OC(═O)O—, —OC(═O)NH—, or —NHC(═O)O—, Sp 1 and Sp 2 each independently represent a linking group selected from the group consisting of a linear alkylene group which has 2 to 30 carbon atoms and may be substituted with a methyl group or a linear alkylene group which has 1 to 30 carbon atoms and may be substituted with a methyl group and in which one —CH 2 — or two or more non-adjacent —CH 2 —'s are substituted by —O—, —S—, —OC(═O)—, —C(═O)O—, —OC(═O)O—, —NHC(═O)—, —C(═O)NH—, —OC(═O)NH—, or —NHC(═O)O, and Pol 1 and Pol 2 each independently represent a (meth)acryloyloxy group. 2. The cured product according to claim 1 , wherein L 1 and L 2 are all —O—, —OC(═O)—, —OC(═O)O—, or O—C(═O)NH—. 3. The cured product according to claim 2 , wherein L 1 and L 2 are all —O—. 4. A lens comprising the cured product according to claim 1 . 5. A compound represented by General Formula 1, Pol 1 - Sp 1 - L 1 -Ar- L 2 - Sp 2 - Pol 2   (General Formula 1) in formula, Ar is an aromatic ring group represented by General Formula 2-2, and in formula, Z 1 and Z 2 each independently represent a hydrogen atom, a methyl group, or an ethyl group A 1 and A 2 each independently represent —S—, X represents C to which two cyano groups are bonded, C to which a cyano group and an alkoxy carbonyl group are bonded, or a ring represented by the following formula; wherein the ring represented by the above formula may be substituted by one or two alkyl groups having 1 to 6 carbon atoms and * represents a bonding position, L 1 and L 2 each independently represent —O—, —OC(═O)—, —C(═O)O—, —OC(═O)O—, —OC(═O)NH—, or —NHC(═O)O—, Sp 1 and Sp 2 each represent a linking group selected from the group consisting of a linear alkylene group which has 2 to 30 carbon atoms and may be substituted with a methyl group or a linear alkylene group which has 1 to 30 carbon atoms and may be substituted with a methyl group and in which one —CH 2 — or two or more non-adjacent —CH 2 —'s are substituted by —O—, —S—, —OC(═O)—, —C(═O)O—, —OC(═O)O—, —NHC(═O)—, —C(═O)NH—, —OC(═O)NH—, or —NHC(═O)O, and Pol 1 and Pol 2 each independently represent a (meth)acryloyloxy group. 6. The compound according to claim 5 , wherein L 1 and L 2 are all —O—, —OC(═O)—, —OC(═O)O—, or O—C(═O)NH—. 7. The compound according to claim 6 , wherein L 1 and L 2 are all —O—. 8. The compound according to claim 5 , which is represented by any one of the following formulae: 9. A curable composition comprising: the compound according to claim 5 ; and a polyfunctional (meth)acrylate monomer having three or more (meth)acryloyl groups in a molecule. 10. A curable composition comprising: the compound according to claim 6 ; and a polyfunctional (meth)acrylate monomer having three or more (meth)acryloyl groups in a molecule. 11. A curable composition comprising: the compound according to claim 8 ; and a polyfunctional (meth)acrylate monomer having three or more (meth)acryloyl groups in a molecule. 12. The cured product according to claim 1 , wherein X represents any one of the following formulae; wherein * represents a bonding position of the C, and Sp 1 and Sp 2 each represent a linking group selected from the following formulae; wherein ##represents a position bonding to L 1 or L 2 and #represents a position bonding to Pol 1 or Pol 2 . 13. The cured product according to claim 1 , wherein the compound represented by General Formula 1 is represented by any one of the following formulae 14. The cured product according to claim 1 , wherein the compound represented by General Formula 1 is represented by any one of the following formulae 15. The compound according to claim 5 , wherein X represents any one of the following formulae; in the formulae * represents a bonding position, and Sp 1 and Sp 2 each represent a linking group selected from the following formulae; wherein ##represents a position bonding to L 1 or L 2 and #represents a position bonding to Pol 1 or Pol 2 . 16. The compound according to claim 5 , which is represented by any one of the following formulae

Assignees

Inventors

Classifications

  • directly linked by a ring-member-to-ring-member bond · CPC title

  • G02B1/041Primary

    Lenses · CPC title

  • containing no aromatic rings in the alcohol moiety · CPC title

  • directly linked by a ring-member-to-ring-member bond · CPC title

  • C07D339/06Primary

    having the hetero atoms in positions 1 and 3, e.g. cyclic dithiocarbonates · CPC title

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What does patent US11078180B2 cover?
According to the present invention, a cured product obtained by curing a curable composition including a compound represented by General Formula 1, in which a birefringence Δn (587 nm) is 0.00≤Δn (587 nm)≤0.01, is provided, and this cured product is suitable for manufacturing an optical member. Pol 1 - Sp 1 - L 1 -Ar- L 2 - Sp 2 - Pol 2   (General Formula 1) In formula, Ar…
Who is the assignee on this patent?
Fujifilm Corp
What technology area does this patent fall under?
Primary CPC classification G02B1/041. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Aug 03 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 7 related publications on this page (citations in our corpus or others sharing the same primary CPC).