US4657986A
Expired / Lapsed
US
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Curable resinous composition comprising epoxy resin and silicon-containing elastomeric polymer
Assignee: Kanegafuchi Chemical Industry Co Ltd
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Filing: 1985-12-23
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Granted: 1987-04-14
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Expires: 2005-12-23
Abstract
Abstract A curable resinous composition comprising: (A) an organic elastomeric polymer having at least one silicon-containing reactive group in a molecule, (B) an epoxy resin, (C) a silicone compound having a silicon-containing group and a functional group reactive with an epoxy group, and (D) a curing agent for the epoxy resin, wherein said silicon-containing reactive group is a group of the formula: <IMAGE> (I) wherein X is a hydroxyl group or a hydrolyzable group, R1 is a monovalent hydrocarbon group having 1 to 20 carbon atoms or an organosiloxy group, "a" is 0, 1, 2, or 3, "b" is 0, 1 or 2 provided that the total of "a" and "b" is at least 1, and "m" is 0 or an integer of 1 to 18, a weight ratio of (A) to (B) being from 1:100 to 100:1 and a weight ratio of (A)+(B) to (C) being from 100:0.1 to 100:20.
Inventors
- 👤 Katsuhiko Isayama
- 👤 Toshifumi Hirose
- 👤 Takahisa Iwahara
- 👤 Fumio Kawakubo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:51
CPC Classifications
C; C08; C08L; C08L43/00; C08L43/04; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4085; C08L63/00; C08L83/00; C08L83/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
162 words
A curable resinous composition comprising: (A) an organic elastomeric polymer having at least one silicon-containing functional group in a molecule, (B) an epoxy resin, (C) a silicone compound having a silicon-containing group and a functional group reactive with an epoxy group, and (D) a curing agent for the epoxy resin, wherein the silicon-containing functional group of the organic elastomeric polymer (A) and/or the silicone compound (C) is a group of the formula: ##STR25## wherein X is a hydroxyl group or a hydrolyzable group, R 1 is a monovalent hydrocarbon group having 1 to 20 carbon atoms or an organosiloxy group, "a" is 0, 1, 2 or 3, "b" is 0, 1 or 2 provided that the total of "a" and "b" is at least 1, and "m" is 0 or an integer of 1 to 18, and a weight ratio of (A) to (B) is from 1:100 to 100:1 and a weight ratio of (A)+(B) to (C) is from 100:0.1 to 100:20.
Claim 2
Dependent Claim
162 words
A curable resinous composition comprising: (A) an organic elastomeric polymer having at least one silicon-containing functional group in a molecule, (B) an epoxy resin, (C) a silicone compound having a silicon-containing group and a functional group reactive with an epoxy group, and (D) a curing agent for the epoxy resin, wherein the silicon-containing functional group of the organic elastomeric polymer (A) and/or the silicone compound (C) is a group of the formula: ##STR25## wherein X is a hydroxyl group or a hydrolyzable group, R 1 is a monovalent hydrocarbon group having 1 to 20 carbon atoms or an organosiloxy group, "a" is 0, 1, 2 or 3, "b" is 0, 1 or 2 provided that the total of "a" and "b" is at least 1, and "m" is 0 or an integer of 1 to 18, and a weight ratio of (A) to (B) is from 1:100 to 100:1 and a weight ratio of (A)+(B) to (C) is from 100:0.1 to 100:20.
Claim 3
Dependent Claim
34 words
A curable resinous composition according to claim 1 wherein the organic elastomeric polymer (A) is a polyether comprising repeating units of the formula: --R--O-- wherein R is a C 1 -C 4 alkylene group.
Claim 4
Dependent Claim
36 words
A curable resinous composition according to claim 1, wherein the organic elastomeric polymer (A) is a polymer having backbone chain consisting of polyalkyl acrylate or a copolymer comprising at least 50% by weight of alkyl acrylate.
Claim 5
Dependent Claim
13 words
A cured article produced by curing a resinous composition according to claim 1.
References Cited (Backward Citations)
US4283513A
Cited
US4287326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-04-13 | 1990-10-13 | 1991-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-13 | 1994-10-13 | 1995-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-13 | 1998-10-13 | 1999-04-14 | $7700.00 | Window Closed / Lapsed |