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2004•Journal of Hangzhou Institute of Applied EngineeringRequires access

Study on amino modified anionic emulsion copolymerization of octamethylcyclotetrasiloxane

Anan Zhou

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Abstract

Amino modified anionic emulsion copolymerization of cyclosiloxanes was favourably carried with Octamethylcyclotetrasiloxane (D\-4) as monomer, 3-Aminopropyltriethoxysilane (KH550) as amino modified monomer, dodecylbenzenesulfonate (DBSA) as catalyst and emulsifier. The structure of polymer synthesized were examined with infrared spectroscopy (IR). The changing characteristic of polymerization rate and molecular weight together with reaction was investigated carefully. And the influence of emulsifier and stir's speed on latex particle diameter were studied, too.

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Amino modified anionic emulsion copolymerization of cyclosiloxanes was favourably carried with Octamethylcyclotetrasiloxane (D\-4) as monomer, 3-Aminopropyltriethoxysilane (KH550) as amino modified monomer, dodecylbenzenesulfonate (DBSA) as catalyst and emulsifier. The structure of polymer synthesized were examined with infrared spectroscopy (IR). The changing characteristic of polymerization rate and molecular weight together with reaction was investigated carefully. And the influence of emulsifier and stir's speed on latex particle diameter were studied, too.

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Available abstract

Amino modified anionic emulsion copolymerization of cyclosiloxanes was favourably carried with Octamethylcyclotetrasiloxane (D\-4) as monomer, 3-Aminopropyltriethoxysilane (KH550) as amino modified monomer, dodecylbenzenesulfonate (DBSA) as catalyst and emulsifier. The structure of polymer synthesized were examined with infrared spectroscopy (IR). The changing characteristic of polymerization rate and molecular weight together with reaction was investigated carefully. And the influence of emulsifier and stir's speed on latex particle diameter were studied, too.

Key concepts: Octamethylcyclotetrasiloxane, Monomer, Copolymer, Sodium dodecylbenzenesulfonate, Polymer chemistry, Chemistry, Polymer, Emulsion polymerization

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