Composition of organosilicon, and controlled release rubberized tube for medication prepared from the composition

Composition of organosilicon, and controlled release rubberized tube for medication prepared from the composition

  • CN 1,727,409 A
  • Filed: 07/26/2004
  • Published: 02/01/2006
  • Est. Priority Date: 07/26/2004
  • Status: Active Application
First Claim
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1. , a kind of sulfurized extruded organosilicon constituent based on addition-type silicon rubber is characterized in that the component of forming this constituent comprises:

  • A) contents of ethylene is 0.10~

    0.50mol%, and relative molecular mass is 100000~

    600000 methylvinyl-polysiloxane 100 mass parts;

    B) Si-H base content is 0.8~

    1.6mol%, and viscosity (25 ℃

    ) is 20~

    100mm 2Polysiloxane 0.3~

    2.0 mass parts of/s;

    C) contain an alkynyl (≡

    C-) and hydroxyl (hydrocarbon polymer 0.03~

    2.0 mass parts OH) in the molecular structure at least;

    D) platinum complex 0.000002~

    0.00005 mass parts;

    E) based on strengthening agent 20~

    50 mass parts of gas-phase silica.

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