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EP0281718A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Process for preparing an acrylate or methacrylate group containing polysiloxane

Assignee: Rhodia Chimie SAS
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Filing: 1987-08-10
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Granted: —
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Expires: 2007-08-10
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Abstract

Abstract Translated from French La présente invention concerne un procédé de préparation d'un organopolysiloxane à fonctionnalité acrylate et/ou méthacrylate. Selon le procédé de l'invention on transéstérifie, en présence d'une quantité catalytiquement efficace d'un composé de l'étain, un organopolysiloxane porteur d'au moins un motif choisi parmi les motifs de formule (HOY)R2SiO0,5 et (HOY)RSiO2/2 sur un acrylate ou méthacrylate d'alkyle inférieur de formule : CH2 = CR' OCOR" Les huiles obtenues par le procédé de l'invention sont utilisables notamment comme additifs dans les compostions élastomères silicones et dans les compositions de revêtements réticulables sous rayonnement UV. The present invention relates to a process for the preparation of an organopolysiloxane with acrylate and / or methacrylate functionality. According to the process of the invention, an organopolysiloxane carrying at least one unit chosen from the units of formula (HOY) R2SiO0.5 and ( HOY) RSiO2 / 2 on a lower alkyl acrylate or methacrylate of formula: CH2 = CR 'OCOR "The oils obtained by the process of the invention can be used in particular as additives in silicone elastomer compositions and in crosslinkable coating compositions under UV radiation.

Inventors

  • 👤 Edith Canivenc
  • 👤 Michel Gay

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-06 14:45
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/38

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