Method of affixation, and pressure-sensitive adhesive for...

Details Method of affixation, and pressure-sensitive adhesive for... Method of affixation, and pressure-sensitive adhesive for...

C - Chemistry, Metallurgy

09

J

C09J 5/00 (2006.01) B32B 27/00 (2006.01) B32B 27/30 (2006.01) C09J 201/00 (2006.01)

Patent

CA 2624095

[PROBLEMS] To provide: a pressure-sensitive adhesive which causes no environmental deterioration and can produce a laminate with good efficiency in a simpler manner; and a pressure-sensitive adhesive which enables the repeated attachment/detachment operation, is easy to be positioned and the like. [MEANS FOR SOLVING PROBLEMS] Disclosed is a pressure-sensitive adhesive comprising at least one component selected from a polymer produced by polymerizing an unsaturated olefin group-containing polymerizable monomer in a conventional manner, a copolymer produced by copolymerizing a monomer mixture comprising at least two unsaturated olefin group-containing polymerizable monomers in a conventional manner and natural rubber and an adhesiveness-providing agent. Since the adhesive has substantially no initial tack value and develops its adhesivity upon being subjected to pressurization treatment, it can be used as a pressure-sensitive adhesive for use in affixation.

L'invention porte sur un adhésif sensible à la pression ne provoquant aucune détérioration pour l~environnement et capable de produire un stratifié de grande efficacité de manière simple ; et un adhésif sensible à la pression permettant une opération répétée de fixation/de séparation, facile à positionner et similaire. L'invention concerne donc un adhésif sensible à la pression comprenant au moins un composant sélectionné parmi un polymère obtenu par polymérisation d~un monomère polymérisable contenant un groupe d'oléfines insaturées de manière conventionnelle, un copolymère obtenu par copolymérisation d~un mélange monomère comprenant au moins deux monomères polymérisables contenant un groupe d'oléfines insaturées de manière conventionnelle et du caoutchouc naturel ainsi qu~un agent promoteur d'adhérence. Comme l~adhésif ne possède essentiellement aucune valeur d~adhérence initiale et développe sa capacité d'adhérence lorsqu~il est soumis à un traitement de pressurisation, on peut l~utiliser comme adhésif sensible à la pression pour fixer des objets.

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