US7740733B2
Expired / Lapsed
US
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Optical adhesive composition and method for bonding optical component
Assignee: Nagase Chemtex Corp
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Filing: 2005-06-23
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Granted: 2010-06-22
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Expires: 2025-06-23
Abstract
Abstract Disclosed is an easy to use optical adhesive composition which has lower refractive index than the conventional optical adhesive compositions while having low viscosity, fast curability and excellent heat resistance. Also disclosed are a method for bonding an optical component using such an optical adhesive composition which enables to reduce transmission loss, and an optical device. Specifically disclosed are an optical adhesive composition characterized by comprising at least one acrylate compound represented by the general formula (I) and a photopolymerization initiator, a method for bonding an optical component using such an optical adhesive composition, and an optical device. Tf-(O) a —(CH 2 ) b —(CF 2 ) m —(CH 2 ) b —(O) a -Tf (I) wherein a's are the same represent 0 or 1, b's are the same represent 0 or 1, m represents an integer of 4 to 12, and Tf's are the same and represent a glycidyl group or CH 2 ═CH—C(O)—.
Inventors
- 👤 Iida Takafumi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:06
CPC Classifications
C; C09; C09J; C09J133/00; C09J133/04; C09J133/06; C09J133/062; C09J133/068; C08; C08F; C08F222/00; C08F222/10; C08F222/1006; C08F222/102; G; G02; G02B; G02B6/00; G02B6/24; G02B6/42; G02B6/4201; G02B6/4204; G02B6/4212
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
163 words
An optical adhesive composition, comprising: a compound represented by the general formula (I) wherein Tf's are each CH 2 ═CH—C(O)—, a compound represented by the general formula (I) wherein Tf's are each a glycidyl group, and a compound represented by the following general formula (II): Tf-(O) a —(CH 2 ) b —(CF 2 ) m —(CH 2 ) b —(O) a -Tf (I) wherein plural a's are the same, and each represent 0 or 1, plural b's are the same, and each represent 0 or 1, m represents an integer of 4 to 12, and plural Tf's are the same and each represent a glycidyl group or CH 2 ═CH—C(O)—; Xf-(O) c —(CH 2 ) d —(CF 2 ) n -A (II) wherein c represents 0 or 1, d represents an integer of 0 to 2, n represents an integer of 1 to 11, Xf represents a glycidyl group or CH 2 ═CH—C(O)—, and A represents H or F; and a photopolymerization initiator.
Claim 2
Dependent Claim
163 words
An optical adhesive composition, comprising: a compound represented by the general formula (I) wherein Tf's are each CH 2 ═CH—C(O)—, a compound represented by the general formula (I) wherein Tf's are each a glycidyl group, and a compound represented by the following general formula (II): Tf-(O) a —(CH 2 ) b —(CF 2 ) m —(CH 2 ) b —(O) a -Tf (I) wherein plural a's are the same, and each represent 0 or 1, plural b's are the same, and each represent 0 or 1, m represents an integer of 4 to 12, and plural Tf's are the same and each represent a glycidyl group or CH 2 ═CH—C(O)—; Xf-(O) c —(CH 2 ) d —(CF 2 ) n -A (II) wherein c represents 0 or 1, d represents an integer of 0 to 2, n represents an integer of 1 to 11, Xf represents a glycidyl group or CH 2 ═CH—C(O)—, and A represents H or F; and a photopolymerization initiator.
Claim 3
Dependent Claim
47 words
The composition according to claim 1 , wherein the blended amount of the compound represented by the general formula (II) is less than 40 parts by weight per 100 parts by weight of the total of the compound and the compound represented by the general formula (I).
Claim 4
Dependent Claim
32 words
The composition according to claim 1 , wherein the refractive index (n D ) measured at 25° C. in a liquid state before the composition is cured is from 1.31 to 1.36.
Claim 5
Dependent Claim
21 words
The composition according to claim 1 , wherein the Tg after the composition is cured is from 30 to 110° C.
Claim 6
Dependent Claim
17 words
A method for bonding an optical component, using the optical adhesive composition according to claim 1 .
Claim 7
Dependent Claim
35 words
An optical device comprising an optical fiber and an optical component, wherein the optical adhesive composition according to claim 1 , is used to bond the optical fiber and the optical component to each other.
Claim 8
Dependent Claim
32 words
The composition according to claim 2 , wherein the refractive index (n D ) measured at 25° C. in a liquid state before the composition is cured is from 1.31 to 1.36.
Claim 9
Dependent Claim
21 words
The composition according to claim 2 , wherein the Tg after the composition is cured is from 30 to 110° C.
Claim 10
Dependent Claim
21 words
The composition according to claim 3 , wherein the Tg after the composition is cured is from 30 to 110° C.
Claim 11
Dependent Claim
21 words
The composition according to claim 7 , wherein the Tg after the composition is cured is from 30 to 110° C.
Claim 12
Dependent Claim
56 words
The method according to claim 5 , wherein the optical adhesive composition is the composition in which the blended amount of the compound represented by the general formula (II) is less than 40 parts by weight per 100 parts by weight of the total of the compound and the compound represented by the general formula (I).
Claim 13
Dependent Claim
41 words
The method according to claim 5 , wherein the optical adhesive composition is the composition in which the refractive index (n D ) measured at 25° C. in a liquid state before the composition is cured is from 1.31 to 1.36.
Claim 14
Dependent Claim
30 words
The method according to claim 5 , wherein the optical adhesive composition is the composition in which the Tg after the composition is cured is from 30 to 110° C.
Claim 15
Dependent Claim
57 words
The optical device according to claim 6 , wherein the Optical adhesive composition is the composition in which the blended amount of the compound represented by the general formula (II) is less than 40 parts by weight per 100 parts by weight of the total of the compound and the compound represented by the general formula (I).
Claim 16
Dependent Claim
42 words
The optical device according to claim 14 , wherein the optical adhesive composition is the composition in which the refractive index (n D ) measured at 25° C. in a liquid state before the composition is cured is from 1.31 to 1.36.
Claim 17
Dependent Claim
31 words
The optical device according to claim 15 , wherein the optical adhesive composition is the composition in which the Tg after the composition is cured is from 30 to 110° C.
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