US3894982A
Expired / Lapsed
US
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Adhesive compositions
Assignee: Lord Corp
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Filing: 1974-07-15
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Granted: 1975-07-15
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Expires: 1994-07-15
Abstract
Abstract Adhesive compositions comprising at least one polydiene characterized by a vinyl content of at least 50 weight percent and at least one polyfunctional aminoorganosilane can be utilized for bonding vulcanizable elastomers, including sulfurvulcanizable and free radical-vulcanizable elastomers, to themselves and other substrates.
Inventors
- 👤 Eugene L Polaski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:03
CPC Classifications
C; C09; C09J; C09J115/00; C08; C08K; C08K5/00; C08K5/54; C08K5/544; C09J121/00; C09J175/00; C09J175/04; C09J175/14; C09J187/00; C08L; C08L2666/00; C08L2666/28; C08L2666/44
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
75 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A. AT LEAST ONE POLYMERIC MATERIAL SELECTED FROM HE GROUP CONSISTING OF POLYALKADIENES, HYDROXYL-FUNCTIONAL POLYALKADIENES, CHAIN-EXTENDED HYDROXYL-FUNCTIONAL POLYALKADIENES, CARBOXYL-FUNCTIONAL POLAKADIENES, CHAINEXTENDED CARBOXYL-FUNCTIONAL POYALKADIENES, AMINEFUNCTIONAL POYALKADIENES, CHAIN-EXTENDED AMINE-FUNCTIONAL PLYALKADIENES, MERCAPTANFUNCTIONAL POLYALKADIENES, AND CHAIN-EXTENDED MERCAPTAIN-FUNCTIONAL POLYALKADIENES, SAID POLYMERIC MATERIALS HAVING AS A CHARACTERISTIC FEATURE AN ELONGATED BACKBONE CARBON CHAIN HAVING AS RECURRING UNITS PENDANT NONTERMINAL VINYL GROUPS ATTACKED TO ALTERNATING CARBON ATOMS OF SAID BACKBONE IN ACCORDANCE WITH THE STRUCTURE
Claim 2
Dependent Claim
75 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A. AT LEAST ONE POLYMERIC MATERIAL SELECTED FROM HE GROUP CONSISTING OF POLYALKADIENES, HYDROXYL-FUNCTIONAL POLYALKADIENES, CHAIN-EXTENDED HYDROXYL-FUNCTIONAL POLYALKADIENES, CARBOXYL-FUNCTIONAL POLAKADIENES, CHAINEXTENDED CARBOXYL-FUNCTIONAL POYALKADIENES, AMINEFUNCTIONAL POYALKADIENES, CHAIN-EXTENDED AMINE-FUNCTIONAL PLYALKADIENES, MERCAPTANFUNCTIONAL POLYALKADIENES, AND CHAIN-EXTENDED MERCAPTAIN-FUNCTIONAL POLYALKADIENES, SAID POLYMERIC MATERIALS HAVING AS A CHARACTERISTIC FEATURE AN ELONGATED BACKBONE CARBON CHAIN HAVING AS RECURRING UNITS PENDANT NONTERMINAL VINYL GROUPS ATTACKED TO ALTERNATING CARBON ATOMS OF SAID BACKBONE IN ACCORDANCE WITH THE STRUCTURE
Claim 3
Dependent Claim
15 words
A composition of matter according to claim 1 wherein said aminoorganosilane has the characteristic formula
Claim 4
Dependent Claim
26 words
A composition of matter according to claim 2 wherein the molecular weight of said polymeric material is in the range from about 10,000 to about 60,000.
Claim 5
Dependent Claim
32 words
A composition of matter according to claim 3 wherein said polymeric material is selected frm the group consisting of chain-extended hydroxyl-functional polyalkadienes, chain-extended carboxyl-functional polyalkadienes, chain-extended amine-functional polyalkadienes and chain-extended mercaptan-functional polyalkadienes.
Claim 6
Dependent Claim
22 words
A composition of matter according to claim 4 wherein said polymeric material is selected from the group consisting of chain-extended hydroxyl-functional polyalkadienes.
Claim 7
Dependent Claim
25 words
A composition of matter according to claim 5 wherein said polymeric material has a molecular weight in the range of about 35,000 to about 55,000.
Claim 8
Dependent Claim
21 words
A composition of matter according to claim 5 wherein said polymeric material is selected from the group consisting of chain-extended polybutadiene-diol.
Claim 9
Dependent Claim
46 words
A composition according to claim 3 dispersed in an inert diluent, said diluent being present in an amount to provide a lacquer composition suitable for use as an adhesive, said lacquer having a total solids content in the range from about 3 to about 30 percent.
Claim 10
Dependent Claim
15 words
A lacquer composition according to claim 8 having incorporated therein at least one inert additive.
Claim 11
Dependent Claim
21 words
A lacquer composition according to claim 8 wherein said polymeric material is selected from the group consisting of chain-extended hydroxyl-functional polyalkadienes.
Claim 12
Dependent Claim
20 words
A lacquer composition according to claim 10 wherein said polymeric material is selected from the group consisting of chain-extended polybutadiene-diol.
Claim 13
Dependent Claim
42 words
A lacquer composition according to calim 11 wherein said chain-extended polybutadiene-diol has a molecular weight in the range of about 35,000 to about 55,000 and said lacquer has a total solids content in the range of about 5 to about 20 percent.
Claim 14
Dependent Claim
42 words
A lacquer composition according to calim 11 wherein said chain-extended polybutadiene-diol has a molecular weight in the range of about 35,000 to about 55,000 and said lacquer has a total solids content in the range of about 5 to about 20 percent.
Claim 15
Dependent Claim
100 words
A composition according to claim 3 wherein, in said aminoorganosilane, Ro is an alkylene group having from 3 to 9 carbon atoms; R1 is an alkyl radical having from 1 to 8 carbon atoms; R2 is selected from the group consisting of alkyl radicals having from 1 to 8 carbon atoms, cycloalkyl radicals having from 4 to 7 ring carbon atoms, and aryl radicals having 6, 10 or 14 nuclear carbon atoms; and R3 is selected from the group consisting of hydrogen and - R4 - NH2 , R4 being an alkylene group having from 2 to 9 carbon atoms.
Claim 16
Dependent Claim
20 words
A composition according to claim 13 wherein said polymeric material is selected from the group consisting of chain-extended hydroxyl-functional polyalkadienes.
Claim 17
Dependent Claim
19 words
A composition according to claim 14 wherein said polymeric material is selected from the group consisting of chain-extended polybutadiene-diol.
Claim 18
Dependent Claim
22 words
A composition according to claim 15 wherein said polymeric material has a molecular weight in the range of 35,000 to about 55,000.
Claim 19
Dependent Claim
47 words
A composition according to claim 13 dispersed in an inert diluent, said diluent being present in an amount sufficient to provide a lacquer composition suitable for use as an adhesive, said lacquer having a total solids content in the range from about 3 to about 30 percent.
Claim 20
Dependent Claim
15 words
A lacquer composition according to claim 17 having incorporated therein at least one inert additive.
Claim 21
Dependent Claim
21 words
A lacquer composition according to claim 17 wherein saId polymeric material is selected from the group consisting of chain-extended hydroxyl-functional polyalkadienes.
Claim 22
Dependent Claim
20 words
A lacquer composition according to claim 19 wherein said polymeric material is selected from the group consisting of chain-extended polybutadiene-diol.
Claim 23
Dependent Claim
42 words
A lacquer composition according to claim 20 wherein said polymeric material has a molecular weight within the range of about 35,000 to about 55,000, and said lacquer has a total solids content in the range from about 5 to about 20 percent.
Claim 24
Dependent Claim
12 words
A lacquer composition according to claim 21 wherein said aminoorganosilane is gamma-aminopropyltriethoxysilane.
Claim 25
Dependent Claim
14 words
A lacquer composition according to claim 22 wherein said polymeric material is methylene-bis(phenylisocyanate)-extended polybutadiene-diol.
References Cited (Backward Citations)
US3813351A
Cited
US3840616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-14 | 1979-01-13 | 1979-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-14 | 1983-01-13 | 1983-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-14 | 1987-01-13 | 1987-07-15 | $7700.00 | Window Closed / Lapsed |