GB1241236A - Process of coating plastics with organopolysiloxanes and articles made thereby - Google Patents
Process of coating plastics with organopolysiloxanes and articles made therebyInfo
- Publication number
- GB1241236A GB1241236A GB2226069A GB2226069A GB1241236A GB 1241236 A GB1241236 A GB 1241236A GB 2226069 A GB2226069 A GB 2226069A GB 2226069 A GB2226069 A GB 2226069A GB 1241236 A GB1241236 A GB 1241236A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silane
- coating
- polysiloxane
- hours
- heating
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Silicon Polymers (AREA)
Abstract
1,241,236. Polysiloxane coatings. OWENSILLINOIS Inc. I May, 1969, No. 22260/69. Heading B2E. [Also in Division C3] A plastics substrate is provided with a hard, heat and acetone resistant organopolysiloxane coating by reacting a silane, which is methyltrialkoxysilane e.g. CH 3 Si(OC 2 H 5 ) 3 or a mixture thereof with phenyltrialkoxysilane e.g. CHH 5 Si(OC 2 H 5 ) 3 in which the alkoxy group contains less than 5 C atoms, with water at 50-80‹C for 1-10 hours, heating to 80- 300‹C to remove alkanol and water and then precuring at 90-140‹C to form a precured, further curable polysiloxane which is then dissolved in an organic solvent. The solution, which preferably contains 5-85 wt % polysiloxane is applied to the substrate e.g. by spraying, brushing, rollers or dipping. The solvent is evaporated and the coating is cured by heating at 90-140‹C for 4-168 hours. The coating compositions may contain UV absorbers e.g. 2-hydroxy-4 methoxy benzophenone, which is preferably present in an amount of 1-5% wt, as well as fillers, pigments, antioxidants, stabilisers, antistatic and antifoaming agents. Up to 10 mole % of diphenylsilanediol may be present with the silane and when a silane mixture is employed the molar ratio may vary between 10:1 and 1:10. A wide variety of suitable substrates and organic solvents are specified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2226069A GB1241236A (en) | 1969-05-01 | 1969-05-01 | Process of coating plastics with organopolysiloxanes and articles made thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2226069A GB1241236A (en) | 1969-05-01 | 1969-05-01 | Process of coating plastics with organopolysiloxanes and articles made thereby |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1241236A true GB1241236A (en) | 1971-08-04 |
Family
ID=10176488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2226069A Expired GB1241236A (en) | 1969-05-01 | 1969-05-01 | Process of coating plastics with organopolysiloxanes and articles made thereby |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1241236A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2412595A1 (en) * | 1977-12-23 | 1979-07-20 | Dow Corning | COMPOSITION OF FLEXIBLE COATING BASED ON SILOXANE RESINS WITH A VERY LOW DEGREE OF ORGANIC SUBSTITUTION |
| US4242403A (en) * | 1976-08-02 | 1980-12-30 | Libbey-Owens-Ford Company | Automotive glazing units and method of producing the same |
| FR2468631A1 (en) * | 1979-11-06 | 1981-05-08 | Gen Electric | SILICONE RESIN COATING COMPOSITION IMPROVING ABRASION RESISTANCE |
| EP0604750A1 (en) * | 1992-11-19 | 1994-07-06 | Sumitomo Chemical Company, Limited | Process for producing abrasion-resistant transparent parts |
| CN114231172A (en) * | 2021-12-29 | 2022-03-25 | 苏州东杏表面技术有限公司 | UV-resistant hydrophobic membrane material and preparation method and application thereof |
-
1969
- 1969-05-01 GB GB2226069A patent/GB1241236A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4242403A (en) * | 1976-08-02 | 1980-12-30 | Libbey-Owens-Ford Company | Automotive glazing units and method of producing the same |
| FR2412595A1 (en) * | 1977-12-23 | 1979-07-20 | Dow Corning | COMPOSITION OF FLEXIBLE COATING BASED ON SILOXANE RESINS WITH A VERY LOW DEGREE OF ORGANIC SUBSTITUTION |
| FR2468631A1 (en) * | 1979-11-06 | 1981-05-08 | Gen Electric | SILICONE RESIN COATING COMPOSITION IMPROVING ABRASION RESISTANCE |
| EP0604750A1 (en) * | 1992-11-19 | 1994-07-06 | Sumitomo Chemical Company, Limited | Process for producing abrasion-resistant transparent parts |
| CN114231172A (en) * | 2021-12-29 | 2022-03-25 | 苏州东杏表面技术有限公司 | UV-resistant hydrophobic membrane material and preparation method and application thereof |
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