Synthesis and study of organosilicon hydroxymethylated phenols |
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| Authors: | Sh F Gizatullin I M Raigorodskii V M Kopylov |
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| Institution: | 1.Penta-91 Co.,Moscow,Russia;2.Research Institute of Chemistry and Technology of Organoelemental Compounds,Moscow,Russia |
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| Abstract: | A series of (hydroxymethyl)hydroxyphenyldimethylsiloxanes of linear and branched structures were synthesized by the reaction
with formaldehyde in aqueous alkaline medium of organosilicon phenols of general formula R′Si(CH3)2O]
n
Si(CH3)RO]
m
SiMe2R′, where R′ was 4-hydroxy-3-methoxyphenylpropyl, R was methyl or 4-hydroxy-3-methoxyphenylpropyl. The structure and composition
of the siloxanes were confirmed by elemental analysis, NMR and IR spectroscopy. The homocondensation of (hydroxymethyl)hydroxyphenyldimethylsiloxanes
at the hydroxymethyl groups was investigated. A possibility of reaction of (hydroxymethyl) hydroxyphenyldimethylsiloxanes
with phenol-formaldehyde resin to form copolymers was demonstrated. |
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