SYNTHESIS AND CHARACTERIZATION OF A NOVEL REACTIVE OLIGOMERIC LADDERLIKE COPOLYMETHYL-AMINOPROPYL SILSESQUIOXANE

Qing-hua Duan; Tao-yi Zhang; Kui-lin Deng; Ping Xie; Rong-ben Zhang

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SYNTHESIS AND CHARACTERIZATION OF A NOVEL REACTIVE OLIGOMERIC LADDERLIKE COPOLYMETHYL-AMINOPROPYL SILSESQUIOXANE

Papers | Updated：2021-06-21

- SYNTHESIS AND CHARACTERIZATION OF A NOVEL REACTIVE OLIGOMERIC LADDERLIKE COPOLYMETHYL-AMINOPROPYL SILSESQUIOXANE
- Vol. 23, Issue 4, Pages: 355-361(2005)
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- Published：20 July 2005
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Qing-hua Duan, Tao-yi Zhang, Kui-lin Deng, et al. SYNTHESIS AND CHARACTERIZATION OF A NOVEL REACTIVE OLIGOMERIC LADDERLIKE COPOLYMETHYL-AMINOPROPYL SILSESQUIOXANE[J]. 2005, 23(4): 355-361.
DOI：

Qing-hua Duan, Tao-yi Zhang, Kui-lin Deng, et al. SYNTHESIS AND CHARACTERIZATION OF A NOVEL REACTIVE OLIGOMERIC LADDERLIKE COPOLYMETHYL-AMINOPROPYL SILSESQUIOXANE[J]. 2005, 23(4): 355-361. DOI：

摘要

A novel ordered reactive oligomeric ladderlike copolymethyl-aminopropylsilsesquioxane (Me-AP-T)

was successfully synthesized by an efficient hydrosilylation graft reaction of 1

1-trimethyl-N-2-propenyl-silanamine with a reactive oligomeric ladderlike copolymethyl-hydrosilsesquioxane (Me-H-T)

which was prepared by “supramolecular chemistry-dictated stepwise coupling polymerization” process. FT-IR

1H- and 29Si-NMR spectra show that hydrosilylation reaction proceeds completely. Moreover

1H-NMR spectra also indicate that both the molar ratios of ≡SiMe group to Si―H and ≡SiMe group to ≡SiPrNH2 are approximately 1:1 respectively based on the ratio of integrated resonance areas of the different groups. XRD analysis and 29Si-NMR spectra are used for investigating the ladderlike structure of the polymers. A high Tg (128.38℃) of Me-AP-T shown in DSC measurement implies that the ordered reactive Me-AP-T macromolecules have much stiff chains.

Abstract

A novel ordered reactive oligomeric ladderlike copolymethyl-aminopropylsilsesquioxane (Me-AP-T)

was successfully synthesized by an efficient hydrosilylation graft reaction of 1

1-trimethyl-N-2-propenyl-silanamine with a reactive oligomeric ladderlike copolymethyl-hydrosilsesquioxane (Me-H-T)

which was prepared by “supramolecular chemistry-dictated stepwise coupling polymerization” process. FT-IR

1H- and 29Si-NMR spectra show that hydrosilylation reaction proceeds completely. Moreover

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