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SiSiB® PC4100 is a methacryl-functional silane; it is a clear, light and heat sensitive liquid with a faintly sweet odour. It is equal to Momentive's A-174, Dow's Z-6030, Wacker's GF31, Evonik's Dynasylan MEMO, ShinEtsu's KBM-503.
SiSiB® PC4100 acyl silane is used as adhesion promoter at organic/inorgainc interfaces, as surface modifier (e.g. imparting water repellency, organophilic surface adjustment) or as crosslinking of polymers). It is used as a coupling agent to improve the physical and electrical properties of glass-reinforced and mineral-filled thermosetting resins under exposure to heat and/or moisture.
It is typically employed as a blend additive in resin systems that cure via a free radical mechanism (e.g. polyester, acrylic) and in filled or reinforced thermoplastic silicon based polymers, including polyolefins and polyurethanes. It is also used to functionalize resins via radical initiated processes - copolymerization or grafting - and to modify surfaces.
Technical Data
CAS No. 2530 85 0
EINECS No. 219-785-8
Formula C10H20O5Si
Molecular Weight 248.35
Viscosity25°C 2 cSt
Boiling Point 255°C [760mmHg]
Flash Point 108°C
Color and Appearance Colorless transparent liquid
Density25/25°C 1.045
Refractive Index 1.430 [25°C]
Min. Purity 99.0%
Solubility: SiSiB® PC4100 is soluble in methanol, ethanol, isopropanol, acetone, benzene, toluene, and xylene. After hydrolysis, it is soluble in water with adequate stirring if the pH is adjusted to 4.0. Hydrolysis releases methanol.
SiSiB® PC4100 methacryloxypropyltrimethoxysilane shows copolymerization or grafting reactions when catalyzed by (organic) initiator systems, e.g. peroxides or by radiation (e.g. UV).
Application
SiSiB® PC4100 3 methacryloxypropyltrimethoxysilane, MEMO silane, can improve strength as glass fiber size composite in reinforced polyester composites.
SiSiB® PC4100, the high quality silicone silane, can enhance initial and wet strength of reinforced polyester resin composites.
SiSiB® PC4100 can enhance the wet electrical properties of many mineral-filled and reinforced composites.
SiSiB® PC4100 crosslinked acrylic type resins can improve adhesion and durability of adhesives and coatings.
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