Fluorene derivative, method for producing the same, resin composition, and article

US10696878B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-10696878-B2
Application numberUS-201815878845-A
CountryUS
Kind codeB2
Filing dateJan 24, 2018
Priority dateJan 27, 2017
Publication dateJun 30, 2020
Grant dateJun 30, 2020

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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.

In the General Formula (1), X1 represents a cyclic carbonate group including a carbonate bond [—O—C(═O)—O—], X2 represents a cyclic carbonate group including a carbonate bond [—O—C(═O)—O—], and Y represents a bivalent group including a 9,9-bisaryl fluorene skeleton.

First claim

Opening claim text (preview).

What is claimed is: 1. A fluorene derivative represented by General Formula (1) below: X 1 —Y—X 2   General Formula (1) where in the General Formula (1), X 1 represents a cyclic carbonate group including a carbonate bond [—O—C(═O)—O—], X 2 represents a cyclic carbonate group including a carbonate bond [—O—C(═O)—O—], and Y represents a bivalent group represented by General Formula (Y1) below: where in the General Formula (Y1), ring Z each represents an aromatic hydrocarbon ring, R 1 each independently represents a cyano group, a halogen atom, or a hydrocarbon group, R 2 each independently represents an alkylene group, R 3 each independently represents a hydrocarbon group, an alkoxy group, a cycloalkoxy group, an aryloxy group, an arallcyloxy group, an alkylthio group, a cycloalkylthio group, an arylthio group, an aralkylthio group, an acyl group, an alkoxycarbonyl group, a hydroxy group, a halogen atom, a nitro group, a cyano group, or a dialkyamino group, k each independently represents an integer of 0 to 4, m each independently represents an integer of 0 or 1 or more, and n each independently represents an integer of 0 or 1 or more. 2. The fluorene derivative according to claim 1 , wherein the group represented by the X 1 is a group represented by General Formula (X1) below and the group represented by the X 2 is a group represented by General Formula (X2) below: where in the General Formula (X1), R 11 represents an alkyl group, R 13 represents an alkylene group, and p represents 0 or 1; and in the General Formula (X2), R 12 represents an alkyl group, R 14 represents an alkylene group, and p represents an integer of 0 or 1. 3. The fluorene derivative according to claim 1 , wherein the fluorene derivative is represented by General Formula (Z31) below: where in the General Formula (Z31), R 21 each represents an alkyl group, R 24 each represents an alkylene group, ring Z each represents an aromatic hydrocarbon ring, R 1 each independently represents a cyano group, a halogen atom, or a hydrocarbon group, R 2 each independently represents an alkylene group, R 3 each independently represents a hydrocarbon group, an alkoxy group, a cycloalkoxy group, an aryloxy group, an aralkyloxy group, an alkylthio group, a cycloalkylthio group, an arylthio group, an aralkylthio group, an acyl group, an alkoxycarbonyl group, a hydroxy group, a halogen atom, a nitro group, a cyano group, or a dialkylamino group, k each independently represents an integer of 0 to 4, m each independently represents an integer of 0 or 1 or more, n each independently represents an integer of 0 or 1 or more, and p each represents an integer of 0 or 1. 4. The fluorene derivative according to claim 1 , wherein the fluorene derivative is represented by General Formula (Z32) below: where in the General Formula (Z32), R 21 each represents an alkyl group, and p each represents an integer of 0 or 1. 5. A resin composition comprising the fluorene derivative according to claim 1 . 6. The resin composition according to claim 5 , further comprising an epoxy compound. 7. The resin composition according to claim 6 , wherein a mass ratio between the fluorene derivative and the epoxy compound (the fluorene derivative:the epoxy compound) is 0.1:99.9 to 15:85. 8. The resin composition according to claim 6 , wherein the mass ratio between the fluorene derivative and the epoxy compound (the fluorene derivative:the epoxy compound) is 1:99 to 5:95. 9. The resin composition according to claim 5 , wherein a volume change rate before and after curing is 5.00% or less. 10. An article comprising a cured product of the resin composition according to claim 5 . 11. A method for producing a fluorene derivative, the method comprising: reacting a compound represented by General Formula (X3) below with a compound represented by General Formula (Y21) below to obtain a fluorene derivative represented by General Formula (Z11) below; converting the fluorene derivative represented by General Formula (Z11) into a fluorene derivative represented by General Formula (Z21) below; and converting the fluorene derivative represented by General Formula (Z21) into a fluorene derivative represented by General Formula (Z31) below to obtain the fluorene derivative represented by General Formula (Z31), where in the General Formula (X3), R 21 each represents an alkyl group, R 22 each represents an alkyl group, R 23 each represents an alkyl group, R 24 each represents an alkylene group, R 25 represents a para-toluenesulfonyl group or an alkylsulfonyl group, and p each represents an integer of 0 or 1, where in the General Formula (Y21), the General Formula (Z11), the General Formula (Z21), and the General Formula (Z31), R 21 each represents an alkyl group, R 22 each represents an alkyl group, R 23 each represents an alkyl group, R 24 each represents an alkylene group, ring Z each represents an aromatic hydrocarbon ring, R 1 each independently represents a cyano group, a halogen atom, or a hydrocarbon group, R 2 each independently represents an alkylene group, R 3 each independently represents a hydrocarbon group, an alkoxy group, a cycloalkoxy group, an aryloxy group, an aralkyloxy group, an alkylthio group, a cycloalkylthio group, an arylthio group, an aralkylthio group, an acyl group, an alkoxycarbonyl group, a hydroxy group, a halogen atom, a nitro group, a cyano group, or a dialkylamino group, k each independently represents an integer of 0 to 4, m each independently represents an integer of 0 or 1 or more, n each independently represents an integer of 0 or 1 or more, and p each represents an integer of 0 or 1.

Assignees

Inventors

Classifications

  • characterised by the catalysts used · CPC title

  • carbocyclic · CPC title

  • characterised by the curing agents used · CPC title

  • C09J163/00Primary

    Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins · CPC title

  • linked by a chain containing hetero atoms as chain links · CPC title

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Frequently asked questions

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What does patent US10696878B2 cover?
In the General Formula (1), X1 represents a cyclic carbonate group including a carbonate bond [—O—C(═O)—O—], X2 represents a cyclic carbonate group including a carbonate bond [—O—C(═O)—O—], and Y represents a bivalent group including a 9,9-bisaryl fluorene skeleton.
Who is the assignee on this patent?
Dexerials Corp, Univ Kinki
What technology area does this patent fall under?
Primary CPC classification C09J163/00. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Jun 30 2020 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).