Pressure-sensitive adhesives comprising an aqueous polymer dispersions wherein the polymer is composed of from 50 to 99.9% by weight of at least one C.sub.1 -C.sub.12 alkyl (meth)acrylate (monomers a) from 0.05 to 20% by weight of at least one vinylaromatic compound (monomers b) from 0.05 to 10% by weight of at least one ethylenically unsaturated hydroxy compound (monomers c) from 0 to 10% by weight of an ethylenically unsaturated acid or an acid anhydride (monomers d) and from 0 to 30% by weight of other ethylenically unsaturated compounds (monomers e) the weight percentages being based on the polymer, and the polymer dispersion comprising an emulsifier consisting to the extent of at least 5% by weight of aromatic carbon atoms (and called aromatic emulsifier for short) or an emulsifier mixture consisting to the extent of at least 10% by weight of an aromatic emulsifier.

Pegamentos pressure-sensitive que abarcan dispersiones acuosas de un polímero en donde el polímero se compone de a partir el 50 a 99.9% en peso de por lo menos un C.sub.1 - alkyl C.sub.12 (meth)acrylate (monomers a) a partir de la 0.05 hasta el 20% en peso de por lo menos un compuesto vinylaromatic (monomers b) a partir de la 0.05 hasta el 10% en peso de por lo menos un compuesto hydroxy ethylenically no saturado (monomers c) a partir de la 0 hasta el 10% en peso de un ácido o un anhídrido del ácido (monomers d) y a partir la 0 a un 30% ethylenically no saturados en peso de otros compuestos ethylenically no saturados (monomers e) los porcentajes del peso que son basados en el polímero, y la dispersión del polímero que abarca un emulsor que consiste a grado de por lo menos el 5% en peso de los átomos de carbón aromáticos (y el emulsor aromático llamado para el cortocircuito) o una mezcla del emulsor que consiste al grado de por lo menos el 10% en peso de un emulsor aromático.

 
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