GB800714A - Improvements in and relating to the treatment of surfaces - Google Patents
Improvements in and relating to the treatment of surfacesInfo
- Publication number
- GB800714A GB800714A GB2025055A GB2025055A GB800714A GB 800714 A GB800714 A GB 800714A GB 2025055 A GB2025055 A GB 2025055A GB 2025055 A GB2025055 A GB 2025055A GB 800714 A GB800714 A GB 800714A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polyethylene
- ozone
- film
- heated
- air
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
Abstract
Polyethylene surfaces, e.g. films or coatings, sheets, tubes and moulded articles, maintained at a temperature not less than 50 DEG C. and exposed to ozone have improved bonding properties, particularly to printing inks. Ozonized air, containing 3 to 8 per cent ozone, obtained for example by passing air through a silent electric discharge may be used, and the polyethylene heated, preferably not above softening temperature either before or simultaneously with the exposure. In an example a film of polyethylene is passed continuously downward through valves in a chamber heated by infrared rays through glass panels, while ozonized air at 80 DEG C. is passed upwards. The film is then cooled on rollers and printed with gravure type ink. Specifications 738,474 and 758,461 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2025055A GB800714A (en) | 1953-07-13 | 1953-07-13 | Improvements in and relating to the treatment of surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2025055A GB800714A (en) | 1953-07-13 | 1953-07-13 | Improvements in and relating to the treatment of surfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB800714A true GB800714A (en) | 1958-09-03 |
Family
ID=10142875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2025055A Expired GB800714A (en) | 1953-07-13 | 1953-07-13 | Improvements in and relating to the treatment of surfaces |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB800714A (en) |
-
1953
- 1953-07-13 GB GB2025055A patent/GB800714A/en not_active Expired
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