GB1433461A - Release characteristics of substrates - Google Patents
Release characteristics of substratesInfo
- Publication number
- GB1433461A GB1433461A GB561074A GB561074A GB1433461A GB 1433461 A GB1433461 A GB 1433461A GB 561074 A GB561074 A GB 561074A GB 561074 A GB561074 A GB 561074A GB 1433461 A GB1433461 A GB 1433461A
- Authority
- GB
- United Kingdom
- Prior art keywords
- siloxane
- carbon atoms
- formula
- composition
- vinyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
Landscapes
- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
- Silicon Polymers (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
- Polymerisation Methods In General (AREA)
Abstract
1433461 Vinyl-containing siloxane polymers cured by ultra-violet radiation DOW CORNING CORP 7 Feb 1974 [28 Sept 1973] 05610/74 Headings C3P and C3T [Also in Division B2] The release of adhesive materials from a solid substrate is improved by applying to the substrate a composition comprising (A) a siloxane consisting essentially of 0À5-100 mole per cent of vinyl-containing siloxane units of formula wherein R is a monovalent hydrocarbon or monovalent halogenated hydrocarbon radical which contains 1-30 carbon atoms and n is 0, 1 or 2, any non-vinyl-containing siloxane units present having the formula wherein R<SP>1</SP> is as defined for R and m is 0-3, (B) a siloxane containing at least one siliconbonded hydrogen atom per molecule, the ratio of silicon-bonded vinyl groups in (A) to the silicon-bonded hydrogen groups in (B) being in the range of 1 : 100 to 100 : 1, and (C) a photo- , sensitizer (preferably 0À1-20% by weight), and curing said composition by exposure to ultraviolet light of wavelength less than 3650 Š. R and R<SP>1</SP> are preferably selected from methyl, ethyl, phenyl, chloropropyl and 3,3,3-trifluoropropyl radicals with n and m having average values of about 1 and 2 respectively. Especially preferred (A) is one which is composed of 100 mole per cent of the vinyl-containing siloxane units. Siloxane (B) may have the general formula wherein a is 0-99 (especially 0), b is 1-100, the sum of a and b being 1-100. A preferred composition is (A) a siloxane of vinylmethylsiloxane units and dimethylsiloxane units end-blocked with trimethylsiloxy units or vinyldimethylsiloxy units and (B) a siloxane of general formula wherein b is 1-100. The composition may also contain a mercapto-functional silicone (D) which comprises any silane or siloxane containing at least one mercapto group (HS-) attached to a silicon atom through one or more carbon atoms, which accelerates the cure of the composition. The silane (D) is of formula wherein R<SP>3</SP> is a divalent (p is 1) or trivalent (p is 2) hydrocarbon radical of 1-18 carbon atoms, one bond of which is attached to the silicon atom and the other bonds attached to the mercapto group, q is 1 or 2, R<SP>4</SP> is a monovalent hydrocarbon radical of 1-30 carbon atoms, s is 0-3, and X is a hydrolysable group, the sum of q and s being 1-4. A preferred silane is one in which R<SP>3</SP> is propylene, p is 1, q is 1, s is 0, and X is a methoxy group. The siloxane (D) is of formula wherein R<SP>3</SP> and R<SP>4</SP> are defined as above, v is 0-2, p and q are defined as above, the sum of q and v being 1-3, any other siloxane units present having the general formula wherein Q is a monovalent hydrocarbon or monovalent halogenated hydrocarbon radical of 1-30 carbon atoms, and t is 0-3. A preferred siloxane is one in which R<SP>3</SP> is a propylene radical, p, q and v are 1, R<SP>4</SP> and Q are methyl radicals, and t is 3. The invention also includes a composition for treating a solid substrate to improve its release characteristics, said composition comprising (1) a siloxane consisting essentially of 0À1-100 mole per cent of mercaptofunctional containing siloxane units having the formula wherein R<SP>2</SP> is an alkylene radical, y is 1 or 2, R<SP>5</SP> is a monovalent hydrocarbon or monovalent halogenated hydrocarbon radical of 1-30 carbon atoms, x is 0-2, and the sum of x and y is 1-3, any non-mercapto functional siloxane units present having the formula wherein R<SP>4</SP> is a monovalent hydrocarbon or monovalent halogenated hydrocarbon radical of 1-30 carbon atoms and z is 0-3, and (2) a siloxane consisting essentially of 0À1-100 mole per cent of vinyl-containing siloxane units of formula wherein R is a monovalent hydrocarbon or a monovalent halogenated hydrocarbon radical of 1-30 carbon atoms and n is 0-2, any non- vinyl containing siloxane units present in (2) having the formula wherein R<SP>1</SP> is defined as for R and m is 0-3, the ratio of mercapto groups in (1) to the vinyl groups in (2) being 1 : 100 to 100 : 1, and (3) a photosensitizer, the composition being applied to a substrate and cured with ultra-violet light of wavelength 2537 Š. Preferred compositions are those in which y is 1, R and R<SP>1</SP> contain 1-6 carbon atoms (especially methyl), R<SP>2</SP> is a propylene radical, R<SP>4</SP> and R<SP>5</SP> are methyl radicals, z and m are 2, n is 1, and x is 0 or 1.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40179273A | 1973-09-28 | 1973-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1433461A true GB1433461A (en) | 1976-04-28 |
Family
ID=23589244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB561074A Expired GB1433461A (en) | 1973-09-28 | 1974-02-07 | Release characteristics of substrates |
Country Status (9)
Country | Link |
---|---|
JP (2) | JPS5348198B2 (en) |
AT (1) | AT338614B (en) |
BE (1) | BE812515A (en) |
CA (1) | CA1019693A (en) |
DE (2) | DE2409384C3 (en) |
FR (1) | FR2257736B1 (en) |
GB (1) | GB1433461A (en) |
IT (1) | IT1008349B (en) |
SE (1) | SE408619B (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4107390A (en) | 1977-12-02 | 1978-08-15 | Dow Corning Corporation | Radiation-curable organopolysiloxane coating composition comprising mercaptoalkyl and silacyclopentenyl radicals, method of coating and article therefrom |
US4201808A (en) | 1978-06-12 | 1980-05-06 | Union Carbide Corporation | Radiation curable silicone release compositions |
US4293678A (en) | 1979-11-26 | 1981-10-06 | Union Carbide Corporation | Radiation-curable acrylated epoxy silicone compositions |
US4369300A (en) | 1979-11-26 | 1983-01-18 | Union Carbide Corporation | Acrylated urethane silicone compositions |
US4447499A (en) * | 1983-05-09 | 1984-05-08 | Dow Corning Corporation | Method of coating substrates with polydiorganosiloxanes having lower alkyl substituents to provide release coatings |
EP0184598A1 (en) * | 1984-12-06 | 1986-06-18 | Toray Silicone Company Limited | Ultraviolet and electron-beam curable polyorganosiloxane composition |
US4603168A (en) * | 1984-02-21 | 1986-07-29 | Toray Silicone Co., Ltd. | Method for curing organopolysiloxane compositions and the compositions |
GB2198740A (en) * | 1986-12-22 | 1988-06-22 | Gen Electric | U.V. curable olefinic polysiloxane coating composition |
US4780486A (en) * | 1983-10-26 | 1988-10-25 | Dow Corning Corporation | Fast ultraviolet radiation curing silicone composition |
US4831064A (en) * | 1986-12-22 | 1989-05-16 | Dow Corning Corporation | Organopolysiloxane compositions curable by ultraviolet radiation |
US4923754A (en) * | 1983-10-26 | 1990-05-08 | Dow Corning Corporation | Fast ultraviolet radiation curing silicone composition |
US5124212A (en) * | 1983-10-26 | 1992-06-23 | Dow Corning Corporation | Articles prepared from fast ultraviolet radiation curing silicone composition |
US5162389A (en) * | 1983-10-26 | 1992-11-10 | Dow Corning Corporation | Fast ultraviolet radiation curing silicone composition having a high refractive index |
US5169879A (en) * | 1983-10-26 | 1992-12-08 | Dow Corning Corporation | Fast ultraviolet radiation curing silicone composition |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1236248A (en) * | 1983-10-26 | 1988-05-03 | Dow Corning Corporation | Fast ultraviolet radiation curing silicone composition |
JPS60153979U (en) * | 1984-03-27 | 1985-10-14 | 工藤 利彦 | Pasting bag for cake writing |
JPS61143446A (en) * | 1984-12-17 | 1986-07-01 | Dainippon Printing Co Ltd | Coating material |
JPS61162561A (en) * | 1985-01-11 | 1986-07-23 | Toray Silicone Co Ltd | Organopolysiloxane composition for forming peelable film |
US4595635A (en) * | 1985-05-02 | 1986-06-17 | Raychem Corporation | Organopolysiloxane materials having decreased surface tack |
DE3528271A1 (en) * | 1985-08-07 | 1987-02-12 | Ego Dichtstoffwerke | Sealing strip and process for its manufacture |
JP2657249B2 (en) * | 1986-11-25 | 1997-09-24 | 東レ・ダウコーニング・シリコーン株式会社 | Adhesion improver |
JPH0642684U (en) * | 1992-03-05 | 1994-06-07 | オリエンタル酵母工業株式会社 | Squeeze bag |
JPH0616944A (en) * | 1992-06-29 | 1994-01-25 | Toray Dow Corning Silicone Co Ltd | Organopolysiloxane composition for forming peelable cured coating film |
-
1974
- 1974-02-05 CA CA191,734A patent/CA1019693A/en not_active Expired
- 1974-02-06 SE SE7401593A patent/SE408619B/en not_active IP Right Cessation
- 1974-02-07 GB GB561074A patent/GB1433461A/en not_active Expired
- 1974-02-26 JP JP2273574A patent/JPS5348198B2/ja not_active Expired
- 1974-02-27 DE DE19742409384 patent/DE2409384C3/en not_active Expired
- 1974-02-27 DE DE19742462750 patent/DE2462750C2/en not_active Expired
- 1974-02-28 AT AT167074A patent/AT338614B/en not_active IP Right Cessation
- 1974-03-01 IT IT4884774A patent/IT1008349B/en active
- 1974-03-12 FR FR7408318A patent/FR2257736B1/fr not_active Expired
- 1974-03-19 BE BE142179A patent/BE812515A/en not_active IP Right Cessation
-
1978
- 1978-06-07 JP JP6872078A patent/JPS5415487A/en active Granted
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4107390A (en) | 1977-12-02 | 1978-08-15 | Dow Corning Corporation | Radiation-curable organopolysiloxane coating composition comprising mercaptoalkyl and silacyclopentenyl radicals, method of coating and article therefrom |
US4201808A (en) | 1978-06-12 | 1980-05-06 | Union Carbide Corporation | Radiation curable silicone release compositions |
US4293678A (en) | 1979-11-26 | 1981-10-06 | Union Carbide Corporation | Radiation-curable acrylated epoxy silicone compositions |
US4369300A (en) | 1979-11-26 | 1983-01-18 | Union Carbide Corporation | Acrylated urethane silicone compositions |
EP0125114A3 (en) * | 1983-05-09 | 1986-08-13 | Dow Corning Corporation | A method of coating a substrate with a silicone release coating |
EP0125114A2 (en) * | 1983-05-09 | 1984-11-14 | Dow Corning Corporation | A method of coating a substrate with a silicone release coating |
US4447499A (en) * | 1983-05-09 | 1984-05-08 | Dow Corning Corporation | Method of coating substrates with polydiorganosiloxanes having lower alkyl substituents to provide release coatings |
US4780486A (en) * | 1983-10-26 | 1988-10-25 | Dow Corning Corporation | Fast ultraviolet radiation curing silicone composition |
US4923754A (en) * | 1983-10-26 | 1990-05-08 | Dow Corning Corporation | Fast ultraviolet radiation curing silicone composition |
US5124212A (en) * | 1983-10-26 | 1992-06-23 | Dow Corning Corporation | Articles prepared from fast ultraviolet radiation curing silicone composition |
US5162389A (en) * | 1983-10-26 | 1992-11-10 | Dow Corning Corporation | Fast ultraviolet radiation curing silicone composition having a high refractive index |
US5169879A (en) * | 1983-10-26 | 1992-12-08 | Dow Corning Corporation | Fast ultraviolet radiation curing silicone composition |
US4603168A (en) * | 1984-02-21 | 1986-07-29 | Toray Silicone Co., Ltd. | Method for curing organopolysiloxane compositions and the compositions |
EP0184598A1 (en) * | 1984-12-06 | 1986-06-18 | Toray Silicone Company Limited | Ultraviolet and electron-beam curable polyorganosiloxane composition |
GB2198740A (en) * | 1986-12-22 | 1988-06-22 | Gen Electric | U.V. curable olefinic polysiloxane coating composition |
US4831064A (en) * | 1986-12-22 | 1989-05-16 | Dow Corning Corporation | Organopolysiloxane compositions curable by ultraviolet radiation |
GB2198740B (en) * | 1986-12-22 | 1991-08-21 | Gen Electric | Uv-activation of addition cure silicone coatings |
Also Published As
Publication number | Publication date |
---|---|
DE2462750B1 (en) | 1980-01-10 |
JPS5348198B2 (en) | 1978-12-27 |
DE2409384B2 (en) | 1978-10-05 |
DE2462750C2 (en) | 1980-09-04 |
FR2257736A1 (en) | 1975-08-08 |
JPS5061386A (en) | 1975-05-26 |
IT1008349B (en) | 1976-11-10 |
DE2409384C3 (en) | 1979-05-31 |
CA1019693A (en) | 1977-10-25 |
ATA167074A (en) | 1976-12-15 |
JPS5734318B2 (en) | 1982-07-22 |
AT338614B (en) | 1977-09-12 |
JPS5415487A (en) | 1979-02-05 |
SE408619B (en) | 1979-06-25 |
DE2409384A1 (en) | 1975-04-10 |
FR2257736B1 (en) | 1976-10-08 |
BE812515A (en) | 1974-09-19 |
SE7401593L (en) | 1975-04-01 |
AU6527774A (en) | 1975-08-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |