Patent US5650467A successfully refreshed from Google Patents.
US5650467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable composition
Assignee: Kaneka Corp
•
Filing: 1996-01-11
•
Granted: 1997-07-22
•
Expires: 2016-01-11
Abstract
Abstract A curable resin composition is disclosed which is composed of (a) an oxyalkylene polymer containing at least one reactive silicon group per molecule and having a number average molecular weight of not less than 3000 and an Mw/Mn ratio of not higher than 1.6, (b) a copolymer having a molecular chain which comprises (A) an alkyl acrylate monomer unit and/or an alkyl methacrylate monomer unit each having 1 to 8 carbon atoms in the alkyl moiety thereof and (B) an alkyl acrylate monomer unit and/or an alkyl methacrylate monomer unit each having 10 or more carbon atoms wherein the total number of monomer units (A) and monomer units (B) constitutes more than 50% of the monomer units in the copolymer (b), and (c) a curing catalyst.
Inventors
- 👤 Mikiko Suzuki
- 👤 Jo Kawamura
- 👤 Hiroshi Iwakiri
- 👤 Fumio Kawakubo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:38
CPC Classifications
C; C09; C09J; C09J183/00; C09J183/10; C09J183/12; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/336; C08L; C08L71/00; C08L71/02; C08L2666/00; C08L2666/02; C08L2666/04
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
153 words
A contact adhesive using a curable composition comprising (a) an oxyalkylene polymer containing at least one reactive silicon group per molecule and having a number average molecular weight of not less than 3000 and an Mw/Mn ratio of not higher than 1.6, (b) a copolymer having a molecular chain which comprises monomer units (A) and monomer units (B), wherein (A) is at least one member selected from the group consisting an alkyl acrylate monomer unit and an alkyl methacrylate monomer unit each having 1 to 8 carbon atoms in the alkyl moiety thereof, and (B) is at least one member selected from the group consisting of an alkyl acrylate toohomer unit and an alkyl methacrylate monomer unit each having 10 or more carbon atoms and the total number of monomer units (A) and monomer units (B) constitutes more than 50% of the monomer units in the copolymer (b), and (c) a curing catalyst.
Claim 2
Dependent Claim
153 words
A contact adhesive using a curable composition comprising (a) an oxyalkylene polymer containing at least one reactive silicon group per molecule and having a number average molecular weight of not less than 3000 and an Mw/Mn ratio of not higher than 1.6, (b) a copolymer having a molecular chain which comprises monomer units (A) and monomer units (B), wherein (A) is at least one member selected from the group consisting an alkyl acrylate monomer unit and an alkyl methacrylate monomer unit each having 1 to 8 carbon atoms in the alkyl moiety thereof, and (B) is at least one member selected from the group consisting of an alkyl acrylate toohomer unit and an alkyl methacrylate monomer unit each having 10 or more carbon atoms and the total number of monomer units (A) and monomer units (B) constitutes more than 50% of the monomer units in the copolymer (b), and (c) a curing catalyst.
Claim 3
Dependent Claim
25 words
A contact adhesive using a curable composition as claimed in claim 1, wherein the oxyalkylene polymer (a) contains at least one alkoxysilyl group per molecule.
Claim 4
Dependent Claim
29 words
A contact adhesive using a curable composition as claimed in claim 1, wherein the oxyalkylene polymer (a) has a molecular weight satisfying Mw/Mn ratio is not higher than 1.5.
Claim 5
Dependent Claim
21 words
A contact adhesive using a curable composition as claimed in claim 3, wherein the Mw/Mn ratio is not higher than 1.4.
Claim 6
Dependent Claim
58 words
A contact adhesive using a curable composition as claimed in claim 1, wherein the oxyalkylene polymer (a) contains a monomer unit of formula (1) in a proportion of at least 50 % by weight; --(R--O).sub.n -- (1) wherein R represents a divalent alkylene group having 2 to 4 carbon atoms; and n represents a number of repeating units.
Claim 7
Dependent Claim
33 words
A contact adhesive using a curable composition as claimed in claim 5, wherein the oxyalkylene polymer (a) contains the monomer unit of formula (1) in a proportion of at least 80% by weight.
Claim 8
Dependent Claim
200 words
A contact adhesive using a curable composition as claimed in claim 1, wherein the oxyalkylene polymer (a) contains a reactive silicon group represented by formula (3); ##STR5## wherein R 1 an R 2 each represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms or a triorganosiloxy group represented by (R') 3 SiO--, wherein each of the three R' groups, which may be the same or different, represents a monovalent hydrocarbon group having 1 to 20 carbon atoms; when there are two or more of each of the R 1 or R 2 groups, each of the R 1 and R 2 groups may be the same or different, and the R 1 may be the same or different from R 2 ; X represents a hydroxyl group or a hydrolyzable group; when there are two or more X groups, they may be the same or different; a represents 0, 1, 2 or 3; a and b in each occurrence may be the same or different; and m represents 0 or an integer of from 1 to 19 satisfying the relationship a+Σb≧1.
Claim 9
Independent Claim
177 words
A method for the adhesion of adherends which comprises applying a curable composition to one or more adherend and bonding said adherends while tackiness is still present, wherein the curable composition comprising (a) an oxyalkylene polymer containing at least one reactive silicon group per molecule and having a number average molecular weight of not less than 3000 and an Mw/Mn ratio of not higher than 1.6, (b) a copolymer having a molecular chain which comprises monomer units (A) and monomer units (B), wherein (A) is at least one member selected from the group consisting an alkyl acrylate monomer unit and an alkyl methacrylate monomer unit each having 1 to 8 carbon atoms in the alkyl moiety thereof, and (B) is at least one member selected from the group consisting of an alkyl acrylate monomer unit and an alkyl methacrylate monomer unit each having 10 or more carbon atorns and the total number of monomer units (A) and monomer units (B) constitutes more than 50% of the monomer units in the copolymer (b), and (c) a curing catalyst.
Claim 10
Independent Claim
177 words
A method for the adhesion of adherends which comprises applying a curable composition to one or more adherend and bonding said adherends while tackiness is still present, wherein the curable composition comprising (a) an oxyalkylene polymer containing at least one reactive silicon group per molecule and having a number average molecular weight of not less than 3000 and an Mw/Mn ratio of not higher than 1.6, (b) a copolymer having a molecular chain which comprises monomer units (A) and monomer units (B), wherein (A) is at least one member selected from the group consisting an alkyl acrylate monomer unit and an alkyl methacrylate monomer unit each having 1 to 8 carbon atoms in the alkyl moiety thereof, and (B) is at least one member selected from the group consisting of an alkyl acrylate monomer unit and an alkyl methacrylate monomer unit each having 10 or more carbon atorns and the total number of monomer units (A) and monomer units (B) constitutes more than 50% of the monomer units in the copolymer (b), and (c) a curing catalyst.
Claim 11
Dependent Claim
20 words
A method as claimed in claim 8, wherein the oxyalkylene polymer (a) contains at least one alkoxysilyl group per molecule.
Claim 12
Dependent Claim
24 words
A method as claimed in claim 8, wherein the oxyalkylene polymer (a) has a molecular weight satisfying Mw/Mn ratio is not higher than 1.5.
Claim 13
Dependent Claim
16 words
A method as claimed in claim 10, wherein the Mw/Mn ratio is not higher than 1.4.
Claim 14
Dependent Claim
52 words
A method as claimed in claim 8, wherein the oxyalkylene polymer (a) contains a monomer unit of formula (i) in a proportion of at least 50% by weight; --(R--O).sub.n -- (1) wherein R represents a divalent alkylene group having 2 to 4 carbon atoms; and n represents a number of repeating units.
Claim 15
Dependent Claim
28 words
A method as claimed in claim 12, wherein the oxyalkylene polymer (a) contains the monomer unit of formula (1) in a proportion of at least 80% by weight.
Claim 16
Dependent Claim
201 words
A method as claimed in claim 8, wherein the oxyalkylene polymer (a) contains a reactive silicon group represented by formula (3); ##STR6## wherein R 1 an R 2 each represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms or a triorganosiloxy group represented by (R') 3 SiO--, wherein each of the three R' groups, which may be the same or different, represents a monovalent hydrocarbon group having 1 to 20 carbon atoms; when there are two or more of each of the R 1 or R 2 groups, each of the R 1 and R 2 groups may be the same or different, and the R 1 may be the same or different from R 2 ; X represents a hydroxyl group or a hydrolyzable group; when there are two or more X groups, they may be the same or different; a represents 0, 1, 2 or 3; b represents 0, 1, or 2; a and b in each occurrence may be the same or different; and m represents 0 or an integer of from 1 to 19 satisfying the relationship a+Σb≧1.
Claim 17
Dependent Claim
155 words
A process for producing a contact adhesive, by mixing components comprising (a) an oxyalkylene polymer containing at least one reactive silicon group per molecule and having a number average molecular weight of not less than 3000 and an Mw/Mn ratio of not higher than 1.6, (b) a copolymer having a molecular chain which comprises monomer units (A) and monomer units (B), wherein (A) is at least one member selected from the group consisting an alkyl acrylate monomer unit and alkyl methacrylate monomer unit each having 1 to 8 carbon atoms in the alkyl moiety thereof, and (B) is at least one member selected from the group consisting of an alkyl acrylate monomer unit and an alkyl methacrylate monomer unit each having 10 or more carbon atoms and the total number of monomer units (A) and monomer units (B) constitutes more than 50% of the monomer units in the copolymer (b), and (c) a curing catalyst.
Claim 18
Dependent Claim
155 words
A process for producing a contact adhesive, by mixing components comprising (a) an oxyalkylene polymer containing at least one reactive silicon group per molecule and having a number average molecular weight of not less than 3000 and an Mw/Mn ratio of not higher than 1.6, (b) a copolymer having a molecular chain which comprises monomer units (A) and monomer units (B), wherein (A) is at least one member selected from the group consisting an alkyl acrylate monomer unit and alkyl methacrylate monomer unit each having 1 to 8 carbon atoms in the alkyl moiety thereof, and (B) is at least one member selected from the group consisting of an alkyl acrylate monomer unit and an alkyl methacrylate monomer unit each having 10 or more carbon atoms and the total number of monomer units (A) and monomer units (B) constitutes more than 50% of the monomer units in the copolymer (b), and (c) a curing catalyst.
Claim 19
Dependent Claim
20 words
A process as claimed in claim 15, wherein the oxyalkylene polymer (a) contains at least one alkoxysilyl group per molecule.
Claim 20
Dependent Claim
24 words
A process as claimed in claim 15, wherein the oxyalkylene polymer (a) has a molecular weight satisfying Mw/Mn ratio is not higher than 1.5.
Claim 21
Dependent Claim
16 words
A process as claimed in claim 17, wherein the Mw/Mn ratio is not higher than 1.4.
Claim 22
Dependent Claim
52 words
A process as claimed in claim 15, wherein the oxyalkylene polymer (a) contains a monomer unit of formula (1) in a proportion of at least 50% by weight; --(R--O).sub.n -- (1) wherein R represents a divalent alkylene group having 2 to 4 carbon atoms; and n represents a number of repeating units.
Claim 23
Dependent Claim
28 words
A process as claimed in claim 19, wherein the oxyalkylene polymer (a) contains the monomer unit of formula (1) in a proportion of at least 80% by weight.
Claim 24
Dependent Claim
201 words
A process as claimed in claim 15, wherein the oxyalkylene polymer (a) contains a reactive silicon group represented by formula (3); ##STR7## wherein R 1 an R 2 each represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms or a triorganosiloxy group represented by (R') 3 SiO--, wherein each of the three R' groups, which may be the same or different, represents a monovalent hydrocarbon group having 1 to 20 carbon atoms; when there are two or more of each of the R 1 or R 2 groups, each of the R 1 and R 2 groups may be the same or different, and the R 1 may be the same or different from R 2 ; X represents a hydroxyl group or a hydrolyzable group; when there are two or more X groups, they may be the same or different; a represents 0, 1, 2 or 3; b represents 0, 1, or 2; a and b in each occurrence may be the same or different; and m represents 0 or an integer of from 1 to 19 satisfying the relationship a+Σb≧1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-07-21 | 2001-01-20 | 2001-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-07-21 | 2005-01-20 | 2005-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-07-21 | 2009-01-20 | 2009-07-22 | $7700.00 | Window Closed / Lapsed |