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US 6,713,589 B2Granted
Phenyl, naphthly or fluorene cyclopentyl epoxy resins
AssigneeHitachi Chemical Company, Ltd.
InventorsHaruaki Sue, Shinsuke Hagiwara, Fumio Furusawa, Seiichi Akagi, Akihiro Kobayashi, Hideki Yokoyama
Life of this patent
Estimating the term…
Abstract
This invention provides a compound suitable as an encapsulating material for electronic devices and having a high Tg, low moisture-absorption, high adhesion and fluidity which is a cyclopentylene compound represented by Formula (I) and its intermediate cyclopentenyl compound represented by Formula (III). In the formula, m is 0 or more, Ar1 and Ar2 are each a phenol residual group, a naphthol residual group or a fluorene derivative residual group, and each contain a hydroxyl group or a glycidyloxyl group.
Claims17
A compound represented by the following general formula (I):
- wherein in represents 0 or a positive number;
- Ar1 represents at least one of monovalent organic groups represented respectively by
- Ar2 represents at least one of divalent organic groups selected from the group consisting of a first atomic group represented by
- a second atomic group represented by
- and a third atomic group represented by
- X1 represents a 2,3-epoxypropoxyl group;
- X2 represents a 2,3-epoxypropoxyl group;
- Y represents a hydrogen atom, a hydroxyl group or a 2,3-epoxypropoxyl group;
- Z represents a hydrogen atom, a phenyl group, a hydroxyphenyl group or a 2,3-epoxypropoxyphenyl group;
- and R1 to R4 are each a group selected independently from the group consisting of a hydrogen atom, an alkyl group and an aryl group having 1 to 10 carbon atoms and a halogen atom;
- and
- wherein, when m represents 0, Ar1 groups are present in the 1 and 3 positions of the cyclopentane ring.
9 more elements
A compound which is a compound represented by the following general formula (I):
- wherein m represents 0 or a positive number:
- Ar1 represents at least one of monovalent organic groups represented respectively by
- :
- Ar2 represents at least one of divalent organic groups selected from the group consisting of a first atomic group represented by
- a second atomic group represented by
- and a third atomic group represented by
- X1 represents a 2,3-epoxypropoxyl group;
- Y represents a hydrogen atom, a hydroxyl group or a 2,3-epoxypropoxyl group;
- Z represents a hydrogen atom, a phenyl group, a hydroxyphenyl group or a 2,3-epoxypropoxyphenyl group:
- and R1 to R4 are each a group selected independently from the group consisting of a hydrogen atom, an alkyl group and an aryl group having 1 to 10 carbon atoms and a halogen atom;
- and is a cooligomer containing as the groups Ar2 the first atomic group and the second atomic group in one molecule;
- the number of said first atomic group and the number of said second atomic group being in a ratio of from 20:1 to 1:20:
- and
- wherein, when in represents 0, Ar1 groups are present in the 1 and 3 positions of the cyclopentane ring.
11 more elements
A compound represented by the following general formula (I):
- wherein m represents 0 or a positive number:
- Ar1 represents at least one of monovalent organic groups represented respectively by
- Ar2 represents at least one of divalent organic groups selected from the group selected from a first atomic group represented by
- a second atomic group represented by
- and a third atomic group represented by
- X1 represents a 2,3-epoxypropoxyl group;
- Y represents a hydrogen atom, a hydroxyl group or a 2,3-epoxypropoxyl group;
- Z represents a hydrogen atom, a phenyl group, a hydroxyphenyl group or a 2,3-epoxypropoxyphenyl group;
- R1 is a group selected from the group consisting of a hydrogen atom, an alkyl group and an aryl group having 1 to 10 carbon atoms and a halogen atom ;
- R2 is a group selected from the group consisting of a hydrogen atom, an alkyl group and an aryl group having 1 to 10 carbon atoms and a halogen atom;
- R3 is a group selected from the group consisting of a hydrogen atom, an alkyl group and an aryl group having 1 to 10 carbon atoms and a halogen atom ;
- and R4 is a group selected from the group consisting of a hydrogen atom, an alkyl group and an aryl group having 1 to 10 carbon atoms and a halogen atom;
- and contains as the groups Ar2 the third atomic group and either the first atomic group or the second atomic group and in one molecule:
- the number of said first atomic group or second atomic group and the number of said third atomic group being in a ratio of from 9:1 to 8:2;
- and
- wherein, when m represents 0, Ar1 groups are present in the 1 and 3 positions of the cyclopentane ring.
13 more elements
A compound represented by the following general formula (II):
- wherein Ar1 represents at least one of monovalent organic groups represented respectively by
- X1 represents a hydroxyl group or a 2,3-epoxypropoxyl group;
- X2 represents a 2,3-epoxypropoxyl group;
- Y represents a hydrogen atom, a hydroxyl group or a 2,3-epoxypropoxyl group;
- Z represents a hydrogen atom, a phenyl group, a hydroxyphenyl group or a 2,3-epoxypropoxyphenyl group;
- and R1 is a group selected from the group consisting of a hydrogen atom, an -alkyl group and an aryl group having 1 to 10 carbon atoms and a hydrogen atom;
- R2 is a group selected from the group consisting of a hydrogen atom, an alkyl group and an aryl group having 1 to 10 carbon atoms and a halogen atom;
- R3 is a group selected from the group consisting of a hydrogen atom, an alkyl group and an aryl group having 1 to 10 carbon atoms and a halogen atom ;
- and R4 is a group selected from the group consisting of a hydrogen atom, an alkyl group and an aryl group having 1 to 10 carbon atoms and a halogen atom.
6 more elements
An epoxy resin molding material for encapsulating electronic devices which comprises at least one of a compound represented by the following general formula (I):
- wherein m represents 0 or a positive number:
- Ar1 represents at least one of monovalent organic groups represented respectively by
- Ar2 represents at least one of divalent organic groups selected from a first atomic group represented by
- a second atomic group represented by
- and a third atomic group represented by
- X represents a 2,3-epoxypropoxyl group;
- Y represents a hydrogen atom, a hydroxyl group or a 2,3-epoxypropoxyl group;
- Z represents a hydrogen atom, a phenyl group, a hydroxyphenyl group or a 2,3-epoxypropoxyphenyl group;
- and R1 to R4 are each a group selected independently from the group consisting of a hydrogen atom, an alkyl group and an aryl group having 1 to 10 carbon atoms and a halogen atom;
- and
- wherein, when m represents 0, Ar1 groups are present in the 1 and 3 positions of the cyclopentane ring.
8 more elements
A compound represented by the following general formula (I):
- wherein m represents 0;
- Ar1 represents at least one of monovalent organic groups represented respectively by
- :
- Ar2 represents at least one of divalent organic groups selected from the group consisting of a first atomic group represented by
- a second atomic group represented by
- and a third atomic group represented by
- X1 represents a 2,3-epoxypropoxyl group;
- X2 represents a 2,3-epoxypropoxyl group;
- Y represents a hydrogen atom, a hydroxyl group or a 2,3-epoxypropoxyl group:
- Z represents a hydrogen atom, a phenyl group, a hydroxyphenyl group or a 2,3-epoxypropoxyphenyl group;
- and R1 to R4 are each a group selected independently from the group consisting of a hydrogen atom, an alkyl group and an aryl group having 1 to 10 carbon atoms and a halogen atom;
- wherein, in formula (I), the Ar1 groups are present in the 1 and 3 positions of the cyclopentane ring.
9 more elements
An epoxy resin molding material for encapsulating electronic devices which comprises at least one of a compound represented by the following general formula (I):
- wherein m represents 0;
- Ar1 represents at least one of monovalent organic groups represented respectively by
- :
- Ar2 represents at least one of divalent organic groups selected from the group consisting of a first atomic group represented by
- a second atomic group represented by
- and a third atomic group represented by
- X1 represents a 2,3-epoxypropoxyl group;
- X2 represents a 2,3-epoxypropoxyl group;
- Y represents a hydrogen atom, a hydroxyl group or a 2,3-epoxypropoxyl group;
- Z represents a hydrogen atom, a phenyl group, a hydroxyphenyl group or a 2,3-epoxypropoxyphenyl group;
- and R1 to R4 are each a group selected independently from the group consisting of a hydrogen atom, an alkyl group and an aryl group having 1 to 10 carbon atoms and a halogen atom;
- wherein, in formula (I), the Ar1 groups are present in the 1 and 3 positions of the cyclopentane ring.
9 more elements
Dependencies are inferred from the claim text.