<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>It has previously been shown that copolymers of butyl acrylate with 4-acryloyloxy benzophenone can be used as pressure-sensitive adhesives (PSAs). This paper presents the synthesis and application of a solvent-borne polymer system for the preparation of photoreactive UV-crosslinkable acrylic pressure-sensitive adhesives. Butyl acrylate/benzophenone copolymers with molecular mass in the range 180 000 to 480 000 Dalton were prepared by carrying out free-radical solution polymerization. These copolymers were found to be tacky but in some cases to possess insufficient cohesive strength after UV-crosslinking to be useful as PSAs. The other copolymers resulted in materials with the balance of cohesive and adhesive characteristics required of good PSAs. Some of the parameters affecting the pressure-sensitive adhesive properties of the copolymers are the concentration of 4-acryloyloxy benzophenone, the molecular mass of the polymeric components, the UV-reactivity, and properties such as tack, peel adhesion, and cohesion.</p></abstract>

It has previously been shown that copolymers of butyl acrylate with 4-acryloyloxy benzophenone can be used as pressure-sensitive adhesives (PSAs). This paper presents the synthesis and application of a solvent-borne polymer system for the preparation of photoreactive UV-crosslinkable acrylic pressure-sensitive adhesives. Butyl acrylate/benzophenone copolymers with molecular mass in the range 180 000 to 480 000 Dalton were prepared by carrying out free-radical solution polymerization. These copolymers were found to be tacky but in some cases to possess insufficient cohesive strength after UV-crosslinking to be useful as PSAs. The other copolymers resulted in materials with the balance of cohesive and adhesive characteristics required of good PSAs. Some of the parameters affecting the pressure-sensitive adhesive properties of the copolymers are the concentration of 4-acryloyloxy benzophenone, the molecular mass of the polymeric components, the UV-reactivity, and properties such as tack, peel adhesion, and cohesion.

Butyl acrylate/4-acryloyloxy benzophenone copolymers as photoreactive UV-crosslinkable pressure-sensitive adhesives

Department of Chemical Organic Technology, West Pomeranian University of Technology, K. Pulaskiego 10, 70-322 Szczecin, Poland

Polish Journal of Chemical Technology

It has previously been shown that copolymers of butyl acrylate with 4-acryloyloxy benzophenone can be used as pressure-sensitive adhesives (PSAs). This paper...

Butyl acrylate/4-acryloyloxy benzophenone copolymers as photoreactive UV-crosslinkable pressure-sensitive adhesives

Publié en ligne: 09 oct. 2009

Pages: 1 - 4

DOI: https://doi.org/10.2478/v10026-009-0027-9

Mots clés
butyl acrylate, 4-acryloyloxy benzophenone, acrylic copolymers, pressure-sensitive adhesives (PSAs), UV-crosslinking, tack, peel adhesion, cohesion

This content is open access.

Butyl acrylate/4-acryloyloxy benzophenone copolymers as photoreactive UV-crosslinkable pressure-sensitive adhesives

Publié en ligne: 09 oct. 2009

Pages: 1 - 4

DOI: https://doi.org/10.2478/v10026-009-0027-9

Mots clésbutyl acrylate, 4-acryloyloxy benzophenone, acrylic copolymers, pressure-sensitive adhesives (PSAs), UV-crosslinking, tack, peel adhesion, cohesion

This content is open access.

Mots clés
butyl acrylate, 4-acryloyloxy benzophenone, acrylic copolymers, pressure-sensitive adhesives (PSAs), UV-crosslinking, tack, peel adhesion, cohesion