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GB596646A - Improvements in and relating to adhesives tapes or sheets - Google Patents

Improvements in and relating to adhesives tapes or sheets

Info

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
Application number
GB21766/44A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson and Johnson Ltd
Johnson and Johnson
Original Assignee
Johnson and Johnson Ltd
Johnson and Johnson
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Johnson and Johnson Ltd, Johnson and Johnson filed Critical Johnson and Johnson Ltd
Publication of GB596646A publication Critical patent/GB596646A/en
Expired legal-status Critical Current

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]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)

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.
GB21766/44A 1943-11-05 1944-11-06 Improvements in and relating to adhesives tapes or sheets Expired GB596646A (en)

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)

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