SILOXANE POLYMERS WITH A CENTRAL POLYSILOXANE POLYMER BLOCK WITH ORGANOFUNCTIONAL RADICALS EACH HAVING AT LEAST TWO BIVALENT GROUPS SELECTED FROM UREA AND/OR CARBAMATE GROUPS AND AT LEAST ONE UV/VIS CHROMOPHORE AS RADICAL
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United States of America Patent
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Issued Date -
Jan 1, 2015
app pub date -
Jun 24, 2014
filing date -
Jul 1, 2013
priority date (Note) -
Abandoned
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Abstract
The invention relates to siloxane polymers comprising a central polysiloxane polymer block B with organofunctional radicals bonded terminally or laterally to the polymer block and based on IPDI and UV/Vis chromophores or derivatives, in particular UV chromophores, which are covalently bonded via a hydrophobic or hydrophilic linker group Q1′, Q2′, and compositions comprising these siloxanes. Also disclosed are processes for their preparation and their use.
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