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1 Polish Journal of Chemical Technology

1 2008

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Removal of organic solvents for the purpose of manufacturing of solvent-free pressure-sensitive adhesives

Czech Z., Milker R., Butwin A., Herko E.

Polish Journal of Chemical Technology

2008

Vol. 10, nr 1

37-40

The present report reports on the process of the removal of organic solvents in the polymerisation reactor, thin-layer evaporator, and twin-screw extruder for the production of the solvent-free acrylic pressure-sensitive adhesives (PSA). New applications and technical specifications stimulate the continuous development of new methods of manufacturing of non-solvent self-adhesives. The new synthesis of 100% acrylic systems includes solvent polymerisation and finally a removal of volatile organic compounds in a special extruder, polymerisation vessel or an industrial evaporator. The removal process requires controlling such relevant parameters as temperature, pressure and volatile organic compounds concentration.