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2003•Journal of Polymer Science Part A Polymer ChemistryRequires access

Preparation and properties of high molecular weight polyethoxysiloxanes stable to self‐condensation by acid‐catalyzed hydrolytic polycondensation of tetraethoxysilane

Yoshimoto Abe, Ryosuke Shimano, Koji Arimitsu, Takahiro Gunji

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Abstract

Abstract The acid‐catalyzed controlled hydrolytic polycondensation of tetraethoxysilane (TEOS) provided polyethoxysiloxanes with weight‐average molecular weights of 2300–11,700, which depended on the reaction molar ratios of the water, catalyst, and solvent to TEOS. They were soluble in common organic solvents and stable to self‐condensation and were characterized with high silica contents of up to 67%. © 2003 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 41: 2250–2255, 2003

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Abstract The acid‐catalyzed controlled hydrolytic polycondensation of tetraethoxysilane (TEOS) provided polyethoxysiloxanes with weight‐average molecular weights of 2300–11,700, which depended on the reaction molar ratios of the water, catalyst, and solvent to TEOS. They were soluble in common organic solvents and stable to self‐condensation and were characterized with high silica contents of up to 67%. © 2003 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 41: 2250–2255, 2003

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Available abstract

Abstract The acid‐catalyzed controlled hydrolytic polycondensation of tetraethoxysilane (TEOS) provided polyethoxysiloxanes with weight‐average molecular weights of 2300–11,700, which depended on the reaction molar ratios of the water, catalyst, and solvent to TEOS. They were soluble in common organic solvents and stable to self‐condensation and were characterized with high silica contents of up to 67%. © 2003 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 41: 2250–2255, 2003

Key concepts: Condensation polymer, Hydrolysis, Catalysis, Self-condensation, Polymer chemistry, Chemistry, Solvent, Condensation

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Preparation and properties of high molecular weight polyethoxysiloxanes stable to self‐condensation by acid‐catalyzed hydrolytic polycondensation of tetraethoxysilane — Research Paper | ScholarLens