Optical macromolecular indoaniline indicators for vinyl‐SiH curing of silicones for dental application | Zendy

Bardts Mareike | Zendy; Ritter Helmut | Zendy; Sohr Volker | Zendy

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Optical macromolecular indoaniline indicators for vinyl‐SiH curing of silicones for dental application

Author(s) -

Bardts Mareike,

Ritter Helmut,

Sohr Volker

Publication year - 2011

Publication title -

polymers for advanced technologies

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.61

H-Index - 90

eISSN - 1099-1581

pISSN - 1042-7147

DOI - 10.1002/pat.1547

Subject(s) - siloxane , curing (chemistry) , polymer chemistry , materials science , macromolecule , hydrosilylation , organic chemistry , catalysis , chemistry , polymer , composite material , biochemistry

In this paper we present a poly siloxane containing covalently bound indoaniline dye, which decolorizes during reaction with a poly siloxane bearing vinyl and Si‐H groups in the presence of a Karstedt catalyst. Poly siloxane bearing indoaniline endgroups were prepared from (2‐allyl‐4‐(4‐(ethyl(2‐hydroxyethyl)amino)phenylimino)‐ 6‐methoxycyclohexa‐2,5‐dienone respectively 2‐allyl‐4‐(4‐(ethyl(2‐hydroxyethyl)amino)phenylimino)cyclohexa‐2,5‐ dienone) and Si‐H terminated poly siloxane. The structure was verified by IR‐, 1 H‐NMR spectroscopy, and MALDI‐TOF mass spectrometry. The obtained blue colored poly siloxane is suitable as dye indicator for crosslinking, for example, for a time‐controlled preparation of dental impressions. Copyright © 2009 John Wiley & Sons, Ltd.

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