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3-Mercaptopropyltrimethoxysilane has special effect as the metal surface rust inhibitor. When it is used to process the surface of gold, silver, cooper and other metals, the corrosion resistance, oxidation resistance of the surface can be improved. And it can enhace the adhesion to the resin polymer. In the rubber industry, it is commonly used to process whitecarbon, carbon black, glass fiber, mica and other inorganic fillers. It can effectively improve the mechanical properties and wear resistance of the rubber.Also, it can be used in fabric anti- shrinking process in the textile industry, and as raw material of the hair-care products.
Chemical name3-Mercaptopropyl trimethoxysilane
Product CategorySulfur-Containing Silane – Silane Coupling Agent
Structural Formula4420-74-0
CAS No.4420-74-0
Molecular formulaC6H16O3SSi
Molecular weight196.34
Boiling Point213-215°C
Flash Point88 °C
Refractive Index(nD20)1.4410-1.4430
AppearanceLight yellow transparent liquid.
DissolvabilityIt has special odor and is soluble in organic solvent. It is insoluble in water.
Uses1. It has sulfhydryl functional group, as metal surface rust inhibitor with special effect, used to deal with gold, silver, copper and other metal surfaces can improve its corrosion resistance, oxidation resistance and improve its adhesive properties to polymer materials. 2. Widely used in filling polymer materials, it can be applied to thermosetting and thermoplastic polymer materials, such as epoxy, eyewear, phenol sulfonate, PVC, polystyrene, polyinflammation and so on. 3. Especially in the rubber industry, the effect is particularly good, can improve its mechanical properties, improve abrasion resistance, reduce permanent deformation, applicable to NR, EPDM, SBR, polysulfide rubber, styrene-butadiene rubber, nitrile rubber, chloroprene rubber and polyurethane rubber.
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