SYNTHESIS AND CHARACTERIZATION OF A SOLUBLE LADDERLIKE POLYSILSESQUIOXANE CONTAINING REACTIVE ESTER GROUPS*

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SYNTHESIS AND CHARACTERIZATION OF A SOLUBLE LADDERLIKE POLYSILSESQUIOXANE CONTAINING REACTIVE ESTER GROUPS*

Papers | Updated：2021-06-21

- SYNTHESIS AND CHARACTERIZATION OF A SOLUBLE LADDERLIKE POLYSILSESQUIOXANE CONTAINING REACTIVE ESTER GROUPS*
- Vol. 19, Issue 2, Pages: 209-216(2001)
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- Published：20 April 2001
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SYNTHESIS AND CHARACTERIZATION OF A SOLUBLE LADDERLIKE POLYSILSESQUIOXANE CONTAINING REACTIVE ESTER GROUPS*[J]. 2001, 19(2): 209-216.
DOI：

SYNTHESIS AND CHARACTERIZATION OF A SOLUBLE LADDERLIKE POLYSILSESQUIOXANE CONTAINING REACTIVE ESTER GROUPS*[J]. 2001, 19(2): 209-216. DOI：

摘要

A novel soluble ladderlike polysilsesquioxane containing reactive ester groups (Ester-T) was synthesized for thefirst time by stepwise coupling polymerization including preammonolysis

controlled hydrolysis and polycondensation. Themonomer

3-trichlorosilylpropoxy 4-acetoxybenzoate (M)

was synthesized by hydrosilylation of allyloxy 4-acetoxybenzoatewith trichlorosilane in the presence of dicyclopentadienylplatinum (II) chloride (Cp2PtCl2) catalyst. Combination of FTIR

1H-NMr

13C-NMR

29Si-NMR

XRD

DSC

TGA and VPO methods was used to demonstrate that the polymer obtained has an ordered ladderlike structure.The synthesized Ester-T may have promising applications as a precursor of advanced functioanl polymers.

Abstract

A novel soluble ladderlike polysilsesquioxane containing reactive ester groups (Ester-T) was synthesized for thefirst time by stepwise coupling polymerization including preammonolysis

controlled hydrolysis and polycondensation. Themonomer

3-trichlorosilylpropoxy 4-acetoxybenzoate (M)

was synthesized by hydrosilylation of allyloxy 4-acetoxybenzoatewith trichlorosilane in the presence of dicyclopentadienylplatinum (II) chloride (Cp2PtCl2) catalyst. Combination of FTIR

1H-NMr

13C-NMR

29Si-NMR

XRD

DSC

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