Pressure sensitive adhesive composition

Details Pressure sensitive adhesive composition Pressure sensitive adhesive composition

C - Chemistry, Metallurgy

09

J

C09J 171/00 (2006.01) C09J 11/06 (2006.01) C09J 201/10 (2006.01)

Patent

CA 2554743

A pressure sensitive adhesive composition which comprises (A) an oxyalkylene based polymer which contains 0.3 to 0.7 equivalent of a hydrolyzable silyl group in one molecule thereof and has a number average molecular weight of 15,000 to 100,000 (a polymer containing a hydrolyzable silyl group), (B) a tackifier resin and (C) a curing catalyst. The above pressure sensitive adhesive composition can be applied in a state wherein completely or almost no organic solvent is contained and also exhibits excellent adhesive characteristics.

Une composition adhésive sensible à la pression qui comprend (A) un polymère à base d~oxyalkylène qui contient de 0,3 à 0,7 équivalent d~un groupe silylé hydrolysable dans une molécule de celui-ci et présente un poids moléculaire moyen en nombre de 15 000 à 100 000 (un polymère contenant un groupe silylé hydrolysable), (B) une résine collante et (C) un catalyseur de durcissement. La composition adhésive sensible à la pression susmentionnée peut être appliquée dans un état dans lequel aucun ou pratiquement pas de solvant organique n~est contenu et présente également d~excellentes caractéristiques adhésives.

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