Pressure-sensitive adhesives for polyolefin surfaces

Details Pressure-sensitive adhesives for polyolefin surfaces Pressure-sensitive adhesives for polyolefin surfaces

C - Chemistry, Metallurgy

09

J

C09J 151/06 (2006.01) C08F 255/02 (2006.01) C09J 4/00 (2006.01) C09J 7/02 (2006.01)

Patent

CA 2219325

The present invention provides a pressure-sensitive adhesive comprising the polymerization reaction product of starting materials comprising: (a) 50 to 100 parts by weight of at least one acrylic or methacrylic ester of a non- tertiary alkyl alcohol in which the alkyl group contains 4 to 20 carbon atoms; (b) 0 to 50 parts by weight of at least one reinforcing monomer, copolymerizable with component (a), the sum of (a) and (b) amounting to 100 parts by weight; and (c) 0.1 to 15 parts by weight, per 100 parts by weight of the sum of components (a) and (b), of a substantially soluble chlorinated polyolefin; said starting materials being substantially solvent-free.

Cette invention porte sur un adhésif autocollant comportant le produit d'une réaction de polymérisation de matières premières comprenant: (a) de 50 à 100 parties en poids d'au moins un ester acrylique ou méthacrylique d'un alcool alkylique non tertiaire dans lequel le groupe alkyle contient de 4 à 20 atomes de carbone, (b) de 0 à 50 parties en poids d'au moins un monomère de renforcement, copolymérisable avec le composant (a), la somme de (a) et (b) s'élevant à 100 parties en poids et (c) de 0,1 à 15 parties en poids par 100 parties en poids de la somme des composants (a) et (b), d'un polyoléfine chloré essentiellement soluble. Lesdites matières premières sont pour ainsi dire exemptes de solvant.

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