Electrical steel sheet and method for manufacturing same
US-12163066-B2 · Dec 10, 2024 · US
US10696878B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10696878-B2 |
| Application number | US-201815878845-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 24, 2018 |
| Priority date | Jan 27, 2017 |
| Publication date | Jun 30, 2020 |
| Grant date | Jun 30, 2020 |
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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.
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.
characterised by the catalysts used · CPC title
carbocyclic · CPC title
characterised by the curing agents used · CPC title
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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