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US4722951A
Expired / Lapsed
US
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Coating compositions
Assignee: Shin-Etsu Chemical Co Ltd
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Filing: 1986-08-19
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Granted: 1988-02-02
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Expires: 2006-08-19
Abstract
Abstract The coating composition, e.g. paints and lacquers, prepared according to the invention is imparted with greatly improved surface properties of the coating film formed therefrom in respect of the resistance against peeling of the coating film and decreased blocking by virtue of the unique additive which is an organopolysiloxane having, in a molecule, at least one organosiloxane unit having a 2,3-dihydroxypropylamino-substituted group such as --C 3 H 6 --NH--CH 2 --CHOH--CH 2 OH and --C 3 H 6 --NH--CH 2 CH 2 --NH--CH 2 --CHOH--CH 2 OH bonded to the silicon atom.
Inventors
- 👤 Hiroshi Yoshioka
- 👤 Ichiro Ono
- 👤 Hideki Sugahara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:35
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/24; D21H19/32; C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/61; C09; C09D; C09D183/00; C09D183/04; C09D7/00; C09D7/40; C09D7/65; C08L; C08L83/00; C08L83/04
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
160 words
A method for improving the surface properties of a coating film formed from a coating composition selected from the group consisting of oil paints, water-based paints, spirit varnishes and compositions having a cellulose derivative or synthetic resin as a vehicle which comprises admixing the coating composition with an organopolysiloxane having, in a molecule, at least one 2,3-dihydroxypropylamino-substituted monovalent hydrocarbon group selected from the class consisting of the groups represented by the general formula ##STR8## in which R is a divalent aliphatic hydrocarbon group having 1 to 6 carbon atoms, bonded to the silicon atom, and wherein the other organosiloxane units have the formula R.sup.2.sub.c SiO.sub.(4-c)/2, wherein R 2 is a substituted or unsubstituted monovalent hydrocarbon group selected from the group consisting of alkyl cycloalkyl, alkenyl, and aryl, and c is 1, 2 or 3, in an amount in the range from 0.001 to 15 parts by weight per 100 parts by weight of the non-volatile matters in the coating composition.
Claim 2
Independent Claim
160 words
A method for improving the surface properties of a coating film formed from a coating composition selected from the group consisting of oil paints, water-based paints, spirit varnishes and compositions having a cellulose derivative or synthetic resin as a vehicle which comprises admixing the coating composition with an organopolysiloxane having, in a molecule, at least one 2,3-dihydroxypropylamino-substituted monovalent hydrocarbon group selected from the class consisting of the groups represented by the general formula ##STR8## in which R is a divalent aliphatic hydrocarbon group having 1 to 6 carbon atoms, bonded to the silicon atom, and wherein the other organosiloxane units have the formula R.sup.2.sub.c SiO.sub.(4-c)/2, wherein R 2 is a substituted or unsubstituted monovalent hydrocarbon group selected from the group consisting of alkyl cycloalkyl, alkenyl, and aryl, and c is 1, 2 or 3, in an amount in the range from 0.001 to 15 parts by weight per 100 parts by weight of the non-volatile matters in the coating composition.
Claim 3
Dependent Claim
30 words
The method as claimed in claim 1 wherein the divalent aliphatic hydrocarbon group denoted by R is a propylene group of the formula --CH 2 CH 2 CH 2 --.
Claim 4
Dependent Claim
24 words
The method as claimed in claim 1 wherein the organopolysiloxane has a viscosity in the range from 10 to 100,000 centistokes at 25° C.
Claim 5
Dependent Claim
30 words
The composition of claim 1 wherein the vehicle resin is selected from the group consisting of phenolic resins, aminoalkyd resins, epoxy resins, and urethane resins in an oily coating composition.
Claim 6
Dependent Claim
31 words
The composition of claim 1 wherein the vehicle resin is selected from the group consisting of polyvinyl chloride resins, polyvinyl acetate resins, and polyacrylic resins in an emulsion type coating composition.
Claim 7
Dependent Claim
33 words
The composition of claim 1 wherein the monovalent hydrocarbon group is selected from the group consisting of methyl, ethyl, propyl, butyl, hexyl, octyl, decyl, docecyl, cyclohexyl, vinyl, allyl, hexenyl, phenyl, tolyl and 2-phenylethyl.
Claim 8
Dependent Claim
24 words
The composition of claim 1 wherein the monovalent hydrocarbon group has a part or all of its hydrogen atoms substituted by halogen or cyano.
References Cited (Backward Citations)
JPS5320530A
Cited
JPS55341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-02-01 | 1991-08-03 | 1992-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-02-01 | 1995-08-03 | 1996-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-02-01 | 1999-08-03 | 2000-02-02 | $7700.00 | Window Closed / Lapsed |