GB596646A - Improvements in and relating to adhesives tapes or sheets - Google Patents
Improvements in and relating to adhesives tapes or sheetsInfo
- Publication number
- GB596646A GB596646A GB21766/44A GB2176644A GB596646A GB 596646 A GB596646 A GB 596646A GB 21766/44 A GB21766/44 A GB 21766/44A GB 2176644 A GB2176644 A GB 2176644A GB 596646 A GB596646 A GB 596646A
- Authority
- GB
- United Kingdom
- Prior art keywords
- castor oil
- condensation product
- ester
- ethyl cellulose
- rosin
- 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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
Abstract
An adhesive composition for a pressure-sensitive adhesive tape comprises a semi-solid condensation product of castor oil with a half ester of maleic acid, and if desired a film-forming plastic, e.g. nitrocellulose or ethyl cellulose, and a tackifying resin, e.g. rosin, ester gum, dehydrogenated rosin, hydrogenated rosins, or the glycerine ester of hydrogenated rosin. The composition is dissolved in a solvent, e.g. toluene or butyl acetate, and spread on the backing. The condensation product may be prepared according to U.S.A. Specification 2,081,266 by heating castor oil, maleic acid or anhydride and an alcohol, e.g. a -terpineol, a mono-ether of diethylene glycol, octyl alcohol or a mixture of alcohols with a boiling range of 150-250 DEG C., and is brought to the semi-solid state by mechanical working, preferably at elevated temperature, e.g. 100-250 DEG C. The term semi-solid is defined in p the Specification in terms of measurements made with a rotation plastometer. Examples of suitable compositions are mixtures of (1) the condensation product of castor oil with the maleic anhydride half ester of diethylene glycol monobutyl ether, nitrocellulose and the glycerine ester of hydrogenated rosin; (2) the condensation product of castor oil, maleic anhydride and a -terpineol and ethyl cellulose; (3) the condensation product of castor oil, maleic anhydride and cyclohexanol, ethyl cellulose and dehydrogenated rosin; (4) the condensation product of castor oil, maleic acid and a -terpineol, ethyl cellulose and ester gum.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US596646XA | 1943-11-05 | 1943-11-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB596646A true GB596646A (en) | 1948-01-08 |
Family
ID=22024428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21766/44A Expired GB596646A (en) | 1943-11-05 | 1944-11-06 | Improvements in and relating to adhesives tapes or sheets |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB596646A (en) |
-
1944
- 1944-11-06 GB GB21766/44A patent/GB596646A/en not_active Expired
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