Invention Grant
US08012544B2 Silicone MQ resin reinforced silicone elastomer emulsions 有权
硅氧烷MQ树脂增强硅橡胶乳液

  • Patent Title: Silicone MQ resin reinforced silicone elastomer emulsions
  • Patent Title (中): 硅氧烷MQ树脂增强硅橡胶乳液
  • Application No.: US12393262
    Application Date: 2009-02-26
  • Publication No.: US08012544B2
    Publication Date: 2011-09-06
  • Inventor: Yihan Liu
  • Applicant: Yihan Liu
  • Applicant Address: US MI Midland
  • Assignee: Dow Corning Corporation
  • Current Assignee: Dow Corning Corporation
  • Current Assignee Address: US MI Midland
  • Agent Alan Zombeck
  • Main IPC: B05D3/02
  • IPC: B05D3/02 C08L83/04
Silicone MQ resin reinforced silicone elastomer emulsions
Abstract:
An aqueous silicone emulsion forms a resin reinforced elastomeric film upon water evaporation. The emulsion composition contains a dispersed phase consisting of a silicone mixture composed of (i) a linear hydroxy terminated polydiorganosiloxane, (i) a silicone MQ resin, and (iii) an organofunctional polysiloxane. The aqueous silicone emulsion is prepared by mixing ingredients (i) to (iii) to form a mixture, adding emulsifiers and water to the mixture, mixing the ingredients to obtain an aqueous base emulsion, adjusting the pH of the base emulsion to an acidic or basic pH to facilitate crosslinking, and subsequently neutralizing the emulsion. Elastomeric films can be obtained by drying the emulsion on a substrate at ambient conditions.
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