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US 12,674,019 B2Granted
Ester compound and resin composition
AssigneeAjinomoto Co., Inc.
InventorIchiro Ogura
Life of this patent
Estimating the term…
Abstract
Compounds containing, in one molecule thereof, a structure represented by formula (1), a structure represented by formula (2), and a structure represented by formula (3) (all the symbols are those described in the specification). are useful as epoxy resin curing agents.
Claims20
A compound comprising, in one molecule thereof,
- a structure represented by formula (1):
- wherein
- a ring A1 and a ring A2 each independently represent an aromatic ring optionally having a substituent group;
- X represents a single bond or a divalent organic group;
- a represents 0 or 1;
- and
- *1 indicates a bonding site to a carbonyl carbon atom to form an ester structure by bonding to the carbonyl carbon atom;
- a structure represented by formula (2):
- wherein
- a ring B represents an aromatic ring substituted with one or more fluorine atoms;
- and
- *2 indicates a bonding site with a carbonyl carbon atom to form an ester structure by bonding to the carbonyl carbon atom;
- and
- a structure represented by formula (3):
- wherein
- Y represents a divalent organic group;
- and
- *3 indicates a bonding site with an oxygen atom to form an ester structure by bonding to the oxygen atom.
15 more elements
A method for producing a compound comprising, in one molecule thereof,
- a structure represented by formula (1):
- wherein
- a ring A1 and a ring A2 each independently represent an aromatic ring optionally having a substituent group;
- X represents a single bond or a divalent organic group;
- a represents 0 or 1;
- and
- *1 indicates a bonding site to a carbonyl carbon atom to form an ester structure by bonding to the carbonyl carbon atom;
- a structure represented by formula (2):
- wherein
- a ring B represents an aromatic ring substituted with one or more fluorine atoms;
- and
- *2 indicates a bonding site with a carbonyl carbon atom to form an ester structure by bonding to the carbonyl carbon atom;
- and
- a structure represented by formula (3):
- wherein
- Y represents a divalent organic group;
- and
- *3 indicates a bonding site with an oxygen atom to form an ester structure by bonding to the oxygen atom,
- the method comprising reacting a mixture comprising a compound represented by formula (B1):
- wherein all the symbols are the same as those described above,
- a compound represented by formula (C1):
- wherein all the symbols are the same as those described above, and
- a compound represented by formula (D1-1) or (D1-2):
- wherein Hal represents a halogen atom;
- other symbols are the same as those described above, or a salt thereof.
22 more elements
A product obtained by reacting a mixture comprising
- a compound represented by formula (B1):
- wherein a ring A1 and a ring A2 each independently represent an aromatic ring optionally having a substituent group;
- X represents a single bond or a divalent organic group;
- and a represents 0 or 1;
- a compound represented by formula (C1):
- wherein a ring B represents an aromatic ring substituted with one or more fluorine atoms;
- and
- a compound represented by formula (D1-1) or (D1-2):
- wherein Hal represents a halogen atom;
- Y represents a divalent organic group, or a salt thereof.
7 more elements
A resin composition comprising an epoxy resin and a compound comprising, in one molecule thereof,
- a structure represented by formula (1):
- wherein
- a ring A1 and a ring A2 each independently represent an aromatic ring optionally having a substituent group;
- X represents a single bond or a divalent organic group;
- a represents 0 or 1;
- and
- *1 indicates a bonding site to a carbonyl carbon atom to form an ester structure by bonding to the carbonyl carbon atom;
- a structure represented by formula (2):
- wherein
- a ring B represents an aromatic ring substituted with one or more fluorine atoms;
- and
- *2 indicates a bonding site with a carbonyl carbon atom to form an ester structure by bonding to the carbonyl carbon atom;
- and
- a structure represented by formula (3):
- wherein
- Y represents a divalent organic group;
- and
- *3 indicates a bonding site with an oxygen atom to form an ester structure by bonding to the oxygen atom.
15 more elements
Dependencies are inferred from the claim text.