Synthesis of Triethoxysilyl-Terminated Polyoxazolines and Their Cohydrolysis Polymerization with Tetraethoxysilane

Yoshiki Chujo, Eiji Ihara, Shigeo Kure, Takeo Saegusa

Research output: Contribution to journalArticlepeer-review

105 Citations (Scopus)


Polyoxazoline having a terminal triethoxysilyl group was successfully synthesized by the ring-opening polymerization of 2-methyl-2-oxazoline followed by termination with (3-aminopropyl)triethoiysilane. Triethoxysilyl-terminated telechelic polyoxazoline was prepared by using a bifunctional initiator. Furthermore, polyoxazolines having two or three triethoxysilyl groups were prepared by using diallylamine as a terminator followed by a hydrosilation reaction with triethoxysilane. These triethoxysilyl-terminated polyoxazolines were subjected to acid-catalyzed cohydrolysis polymerization with tetraethoxysilane by the so-called sol-gel method to produce a novel organic-inorganic polymer hybrid, which was a homogeneous transparent glassy composite material. The obtained hybrid showed a higher hydrophilic property in comparison with that of silica gel without polyoxazoline segments.

Original languageEnglish
Pages (from-to)5681-5686
Number of pages6
Issue number21
Publication statusPublished - 1993
Externally publishedYes

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry


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