α,ω-Bis(3-(2-hydroxyethoxy)-propyl)polydimethylsiloxane
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  • α,ω-Bis(3-(2-hydroxyethoxy)-propyl)polydimethylsiloxane

α,ω-Bis(3-(2-hydroxyethoxy)-propyl)polydimethylsiloxane


Product Grade: Cheersil 8320 Series
CAS No.: 156327-07-0

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  • Product Description

    Product Name: α,ω-Bis(3-(2-hydroxyethoxy)-propyl)polydimethylsiloxane

    Product Grade: Cheersil 8320 Series

    CAS No.: 156327-07-0

     

    Typical Properties

    Properties

    Typical Values

    Cheersil 8321 Cheersil 8322 Cheersil 8323

    Appearance

    Colorless or light yellow liquid

    Density (25°C, g/cm³)

    0.98

    0.98 0.98

    Refractive index (25°C)

    1.417

    1.412 1.410

    Viscosity (25°C, mm2 /s)

    30~80

    40~100 80~300

    Volatile (105°C, 3h, %)

    ≤3

    ≤3

    ≤3

    Hydroxyl value (mmol/g)

    1.60~2.00

    0.75~0.90

    0.48~0.58

     

    Applications:

    Cheersil 8320 series silicone oil contains hydroxyl functional groups with C-OH structure, which can react with isocyanate groups, carboxyl groups, anhydride groups, epoxy groups, etc. in organic polymers, thereby introducing polysiloxane chains into organic polymers in the form of Si-C bonds. It is commonly used to modify polyurethane, polyester, epoxy and other resins, and it has better hydrolysis stability compared with Si-O-C structures formed by introducing Si-OH. Additionally, Cheersil 8320 series silicone oil can also be used as a hydrophilic lubricant or mold release agent.

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