GB880284A - Adhesive compositions - Google Patents
Adhesive compositionsInfo
- Publication number
- GB880284A GB880284A GB33144/57A GB3314457A GB880284A GB 880284 A GB880284 A GB 880284A GB 33144/57 A GB33144/57 A GB 33144/57A GB 3314457 A GB3314457 A GB 3314457A GB 880284 A GB880284 A GB 880284A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polymer
- phenol
- parts
- resin
- 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
- C09J7/21—Paper; Textile fabrics
-
- 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
A normally-tacky pressure-sensitive adhesive composition for application to one or both sides of a backing comprises a curable elastomeric polymer, a tackifier compatible therewith, and a phenol-aldehyde resin made from an alkyl phenol the alkyl group of which contains at least 9 carbon atoms and is preferably a branched chain containing 9 to 15 carbon atoms; the resin may be present in an amount from 35 to 100 parts to 100 parts of polymer. The polymer may be natural or reclaimed rubber, butadiene-styrene copolymers containing at least 50% and preferably at least 70% butadiene, polybutadiene, butyl rubber, an isobutylene-isoprene copolymer, or a chloroprene polymer. Tackifiers specified are rosin, hydrogenated rosin, dehydrogenated rosin, or their glycols or glycerides, polyterpenes, coumarone-indene resin, or polyalkyl styrenes, these being used in an amount 25 to 125 parts to 100 parts of polymer. The resin is prepared by heating to 90 degrees for 2 hours the alkyl phenol and paraformaldehyde, preferably in the range of 1,1 to 1,5 moles of aldehyde per mole of phenol, in the presence of a trace of alkali (about 0,01 mole per mole of phenol); toluene is then added and refluxed for about 2 hours. The ingredients are mixed together with fillers, e.g. zinc oxide, magnesium carbonate, calcium carbonate, lead oxide, clay, titanium dioxide, aluminium, hydrated alumina, pulverized glass, or silica, and anti-oxidants, heat stabilizers, dyes, pigments, or plasticizers. The composition is applied to backing tapes of paper, cloth, or non-fibrous films coated, if desired, with a primer. Specification 865,383 is referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US880284XA | 1956-10-23 | 1956-10-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB880284A true GB880284A (en) | 1961-10-18 |
Family
ID=22208856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB33144/57A Expired GB880284A (en) | 1956-10-23 | 1957-10-23 | Adhesive compositions |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB880284A (en) |
-
1957
- 1957-10-23 GB GB33144/57A patent/GB880284A/en not_active Expired
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