Evonik Roehm Gmbh

Henkel Ag & Company, Kgaa

Evonik Rohm Gmbh

Evonik Degussa Gmbh

Simon Krause

Emmanouil Spyrou

Stefan Hilf

Friedrich Georg Schmidt

Christopher Barner-Kowollik

Andre Hennig

Leena Nebhani

Andrew John Inglis

Peter D Palasz

Maria Xenidou

Kerstin Van Wijk

Ozcan Altintas

Stefan Spange

Ingmar Polenz

Katja Hase

Oezcan Altintas

ÖZcan Altintas

A block-copolymer containing at least two different blocks wherein block A contains (meth)acrylate monomers the copolymer having a glass transition temperature of less than 15&#xb0; C., block B contains (meth)acrylate monomers the copolymer having a glass transition temperature of more than 25&#xb0; C. being free of thio-containing substances in the polymer chain, characterized in that one block contains at least one photoinitiator chemically bound to the chain.

Block-copolymer containing crosslinkable photoinitator groups

The present invention relates to an innovative method for controlling the viscosity of, for example, adhesives or coating formulations. The method for controlling viscosity allows very rapid thermoplastic curing of a formulation even at room temperature and a significant reduction in the viscosity at higher temperatures, thereby regaining the capacity for simple processing and allowing, for example, the originally bonded substrates to be separated from one another again with ease. A particular aspect in this context is that a plurality of cycles of thermoplastic curing and a significant reduction in the viscosity are possible with the present system.

Functional materials with controllable viscosity

The present invention relates to an innovative method for the reversible crosslinking of, for example, adhesives or coating materials. The reversible crosslinking method allows very rapid crosslinking even at room temperature and undoing of the crosslinks at higher temperatures, thereby regaining the capacity for thermoplastic processing and allowing the originally bonded substrates to be separated from one another again with ease. A particular aspect in this context is that a plurality of cycles of crosslinking and undoing of the crosslinks are possible with the present system.

Functional materials with reversible crosslinking

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Aschaffenburg, Germany

Simon Krause