US7709588B2
Active / In Force
US
⏱️ 1.6 years remaining
Curable composition
Assignee: AGC Inc
•
Filing: 2008-06-26
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Granted: 2010-05-04
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Expires: 2028-06-26
Abstract
Abstract To provide a hardly colored curable composition having an excellent storage stability while maintaining fast curing properties. A curable composition which comprises a polymer (P) having a polyoxyalkylene chain and a group of the following formula (1) and a compound (S) having a mercapto group and a group of the following formula (2), and which contains from 0.01 to 0.50 part by mass of the compound (S) per 100 parts by mass of the polymer (P): —Si(—X 1 ) 3 (1) —Si(—X 2 ) m (—Y 2 ) 3-m (2) wherein symbols have the following meanings: X 1 and X 2 : each independently a C 1-6 alkoxy group, Y 2 : a C 1-6 alkyl group, and m: 1, 2 or 3.
Inventors
- 👤 Yuuji Kimura
- 👤 Tatsuhiro Futami
- 👤 Hideaki Tanaka
- 👤 Genichirou Enna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:50
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/336; C08L; C08L71/00; C08L71/02; C08K; C08K5/00; C08K5/54; C08K5/548
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
146 words
A curable composition which comprises a polymer (P) having polyoxyalkylene formed by ring-opening polymerization of a C 2-6 alkylene oxide and a group of the following formula (1), and a compound (S) having the following formula (S1), and which contains from 0.01 to 0.50 part by mass of the compound (S) per 100 parts by mass of the polymer (P): —Si(—X 1 ) 3 (1) Si(—X 2 ) m (—Y 2 ) 3-m (-Q M -SH) (S1) wherein symbols have the following meanings: X 1 and X 2 : each independently a C 1-6 alkoxy group, Y 2 : a C 1-6 alkyl group, m: 1, 2 or 3, and Q M : a C 1-20 divalent organic group, and wherein the polymer (P) has a number average molecular weight (Mn) of from 5,000 to 30,000 and a molecular weight distribution (Mw/Mn) of at most 3.0.
Claim 2
Dependent Claim
146 words
A curable composition which comprises a polymer (P) having polyoxyalkylene formed by ring-opening polymerization of a C 2-6 alkylene oxide and a group of the following formula (1), and a compound (S) having the following formula (S1), and which contains from 0.01 to 0.50 part by mass of the compound (S) per 100 parts by mass of the polymer (P): —Si(—X 1 ) 3 (1) Si(—X 2 ) m (—Y 2 ) 3-m (-Q M -SH) (S1) wherein symbols have the following meanings: X 1 and X 2 : each independently a C 1-6 alkoxy group, Y 2 : a C 1-6 alkyl group, m: 1, 2 or 3, and Q M : a C 1-20 divalent organic group, and wherein the polymer (P) has a number average molecular weight (Mn) of from 5,000 to 30,000 and a molecular weight distribution (Mw/Mn) of at most 3.0.
Claim 3
Dependent Claim
102 words
The curable composition according to claim 1 , wherein the polymer (P) is a polymer (P1) obtained by an urethane-forming reaction of a polymer (pP) having a polyoxyalkylene chain and a hydroxy group, with a compound (U) having a group of the following formula (1) and an isocyanate group, and in the urethane-forming reaction, the ratio of the total number of isocyanate groups in the compound (U) to the total number of hydroxy groups in the polymer (pP) is from 0.80 to 1.50: —Si(—X 1 ) 3 (1) wherein symbol has the following meaning: X 1 : a C 1-6 alkoxy group.
Claim 4
Dependent Claim
52 words
The curable composition according to claim 2 , wherein the compound (U) is a compound of the following formula (U1): Si(—X 1 ) 3 (-Q U -NCO) (U1) wherein symbols have the following meanings: X 1 : a C 1-6 alkoxy group, and Q U : a C 1-20 divalent organic group.
Claim 5
Dependent Claim
56 words
The curable composition according to claim 1 , which further contains a compound of the following formula (V): Si(—X 3 ) n (—Y 3 ) 4-n (V) wherein symbols have the following meanings: X 3 : a C 1-6 alkoxy group, Y 3 : a C 1-6 hydrocarbon group, and n: 1, 2, 3 or 4.
Claim 6
Dependent Claim
15 words
An adhesive or sealing material using the curable composition as defined in claim 1 .
Claim 7
Dependent Claim
22 words
The curable composition according to claim 1 , wherein said ring-opening polymerization is in the presence of a double metal cyanide complex.
Claim 8
Dependent Claim
35 words
The curable composition according to claim 1 , wherein compound (S) is present in a maximum amount of 0.06 part by mass of the compound (S) per 100 parts by mass of the polymer (P).
Claim 9
Dependent Claim
160 words
A curable composition which comprises a polymer (P) having polyoxyalkylene formed by ring-opening polymerization of a C 2-6 alkylene oxide and a group of the following formula (1), a compound (S) having the following formula (S1), and an antioxidant (T), and which contains from 0.01 to 0.50 part by mass of the compound (S) and from 0.01 to 10 parts by mass of the antioxidant (T), per 100 parts by mass of the polymer (P): —Si(—X 1 ) 3 (1) Si(—X 2 ) m (—Y 2 ) 3-m (-Q m -SH) (S1) wherein symbols have the following meanings: X 1 and X 2 : each independently a C 1-6 alkoxy group, Y 2 : a C 1-6 alkyl group, m:1, 2 or 3, and Q M : a C 1-20 divalent organic group, and wherein the polymer (P) has a number average molecular weight (Mn) of from 5,000 to 30,000 and a molecular weight distribution (Mw/Mn) of at most 3.0.
Claim 10
Dependent Claim
160 words
A curable composition which comprises a polymer (P) having polyoxyalkylene formed by ring-opening polymerization of a C 2-6 alkylene oxide and a group of the following formula (1), a compound (S) having the following formula (S1), and an antioxidant (T), and which contains from 0.01 to 0.50 part by mass of the compound (S) and from 0.01 to 10 parts by mass of the antioxidant (T), per 100 parts by mass of the polymer (P): —Si(—X 1 ) 3 (1) Si(—X 2 ) m (—Y 2 ) 3-m (-Q m -SH) (S1) wherein symbols have the following meanings: X 1 and X 2 : each independently a C 1-6 alkoxy group, Y 2 : a C 1-6 alkyl group, m:1, 2 or 3, and Q M : a C 1-20 divalent organic group, and wherein the polymer (P) has a number average molecular weight (Mn) of from 5,000 to 30,000 and a molecular weight distribution (Mw/Mn) of at most 3.0.
Claim 11
Dependent Claim
16 words
The curable composition according to claim 8 , which has a chromaticity of less than 100.
Claim 12
Dependent Claim
22 words
The curable composition according to claim 8 , wherein said ring-opening polymerization is in the presence of a double metal cyanide complex.
Claim 13
Dependent Claim
35 words
The curable composition according to claim 8 , wherein compound (S) is present in a maximum amount of 0.06 part by mass of the compound (S) per 100 parts by mass of the polymer (P).
Claim 14
Dependent Claim
175 words
A curable composition which is a curable composition obtained by adding and mixing an antioxidant (T) to a polymer (P) having polyoxyalkylene formed by ring-opening polymerization of a C 2-6 alkylene oxide and the group of the following formula (1), and then adding and mixing a compound (S) having the following formula (S1) thereto, and which contains from 0.01 to 0.50 part by mass of the compound (S) and from 0.01 to 10 parts by mass of the antioxidant (T), per 100 parts by mass of the polymer (P): —Si(—X 1 ) 3 (1) Si(—X 2 ) m (—Y 2 ) 3-m (-Q M -SH) (S1) wherein symbols have the following meanings: X 1 and X 2 : each independently a C 1-6 alkoxy group, Y 2 : a C 1-6 alkyl group, m: 1, 2 or 3, and Q M : a C 1-20 divalent organic group, and wherein the polymer (P) has a number average molecular weight (Mn) of from 5,000 to 30,000 and a molecular weight distribution (Mw/Mn) of at most 3.0.
Claim 15
Dependent Claim
175 words
A curable composition which is a curable composition obtained by adding and mixing an antioxidant (T) to a polymer (P) having polyoxyalkylene formed by ring-opening polymerization of a C 2-6 alkylene oxide and the group of the following formula (1), and then adding and mixing a compound (S) having the following formula (S1) thereto, and which contains from 0.01 to 0.50 part by mass of the compound (S) and from 0.01 to 10 parts by mass of the antioxidant (T), per 100 parts by mass of the polymer (P): —Si(—X 1 ) 3 (1) Si(—X 2 ) m (—Y 2 ) 3-m (-Q M -SH) (S1) wherein symbols have the following meanings: X 1 and X 2 : each independently a C 1-6 alkoxy group, Y 2 : a C 1-6 alkyl group, m: 1, 2 or 3, and Q M : a C 1-20 divalent organic group, and wherein the polymer (P) has a number average molecular weight (Mn) of from 5,000 to 30,000 and a molecular weight distribution (Mw/Mn) of at most 3.0.
Claim 16
Dependent Claim
16 words
The curable composition according to claim 12 , which has a chromaticity of less than 100.
Claim 17
Dependent Claim
22 words
The curable composition according to claim 12 , wherein said ring-opening polymerization is in the presence of a double metal cyanide complex.
Claim 18
Dependent Claim
35 words
The curable composition according to claim 12 , wherein compound (S) is present in a maximum amount of 0.06 part by mass of the compound (S) per 100 parts by mass of the polymer (P).
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 2013-05-03 | 2013-11-02 | 2014-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2017-05-03 | 2017-11-02 | 2018-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2021-05-03 | 2021-11-02 | 2022-05-04 | $7700.00 | Window Closed / Lapsed |