POLYMERIZATION USING LATENT INITIATORS
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United States of America Patent
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Issued Date -
May 7, 2015
app pub date -
May 28, 2013
filing date -
Jun 25, 2012
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Abandoned
status (Latency Note)
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Abstract
The present invention relates to a novel, rapid initiation mechanism for polymerising (meth)acrylates using latent initiators based on N-heterocyclic carbene compounds which can be thermally activated, such as, in particular, N-heterocyclic carbene-CO2 compounds, carbene-CS2 compounds or carbene-metal compounds (NHC). Using the new initiation mechanism, molecular weights of 10 000 to over 500 000 g/mol and a narrow polydispersity can be achieved for polymerisation of MMA. The polymerisations can be carried out both without solvent and in solution.
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