Reaction Conditions Study in Linear H-Functional Polysiloxane Synthesis

Viorica Hamciuc “P. Poni” Institute of Macromolecular Chemistry, Aleea Gr Ghica Voda, No 41A 6600, Jassy, Romania

Lucia Pricop “P. Poni” Institute of Macromolecular Chemistry, Aleea Gr Ghica Voda, No 41A 6600, Jassy, Romania

Mihai Marcu “P. Poni” Institute of Macromolecular Chemistry, Aleea Gr Ghica Voda, No 41A 6600, Jassy, Romania

Catalin Ionescu “P. Poni” Institute of Macromolecular Chemistry, Aleea Gr Ghica Voda, No 41A 6600, Jassy, Romania

Liviu Sacarescu “P. Poni” Institute of Macromolecular Chemistry, Aleea Gr Ghica Voda, No 41A 6600, Jassy, Romania

Denisa Simona Pricop “P. Poni” Institute of Macromolecular Chemistry, Aleea Gr Ghica Voda, No 41A 6600, Jassy, Romania

Abstract

A reaction conditions study in the synthesis of methyl-hydropolysiloxanes was proposed taking into account the variation of some parameters, such as conversion, amount of active hydrogen, intrinsic viscosity, molecular weight versus the reaction time, amount of catalyst and reaction temperature. Methylhydropolysiloxanes were obtained using a bulk heterogeneous polymerization-equilibration reaction of octamethyl-cyclotetrasiloxane (D₄), linear methylhydrosiloxane (L-31) and hexamethyl-disiloxane (HMDS), in the presence of styrene-divinylbenzene sulfonic acid copolymer (VIONI-CS-34C) as catalyst.

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Reaction Conditions Study in Linear H-Functional Polysiloxane Synthesis

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Reaction Conditions Study in Linear H-Functional Polysiloxane Synthesis

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