Abstract 3-Glycidoxypropyltrimethoxysilane (CAS No. 2530-83-8), Silane coupling agent KH-560, is a versatile epoxy functional organosilane possessing a reactive organic epoxide and hydrolyzable inorganic methoxysilyl groups. The dual nature of its reactivity allows KH-560 to bind chemically to both inorganic materials (e. G. Glass, metals, fillers) and organic polymers (e. G. Thermosets, thermoplastics, elastomers), thus functioning as an adhesion promoter, crosslinking agent and/or surface modifier. KH-560 is a colorless low-viscosity liquid with a slight terpentine-like odor. It is soluble in alcohols, ketones and aliphatic or aromatic hydrocarbons. Identification Name: 3-Glycidoxypropyltrimethoxysilane Synonyms : 3-(2, 3-Epoxypropoxy)propyltrimethoxysilane; Glycidyl 3-(trimethoxysilyl)propyl ether Molecular Formula : C9H20O5Si Molecular Weight: 236.34 CAS Registry Number: 2530-83-8 EINECS: 219-784-2 Equivalents Momentive (formerly OSi Specialties ) Silquest A-187 Dow Corning Z-6040 ShinEtsu KBM-403 EVONIK Degussa Dynasylan GLYMO Wacker GENIOSIL GF 80 Chisso Sila-Ace S510 UCT Specialties (formerly Petrarch) G6720 Properties Density: 1.055 Boiling point: 290 C degree Refractive index: 1.4205 Flash point: 110 C degree Water solubility: REACTS Application 3-Glycidoxypropyltrimethoxysilane (CAS No. 2530-83-8), Silane coupling agent KH-560, is an essential ingredient in the products of many industries. Examples are: Glass fiber/glass fabric composites: As a finish or a size ingredient Foundry resins: As an additive to polyurethane resins Sealants and adhesives: As a primer or additive Mineral filled composites: For pretreatment of fillers and pigments or as an additive to the polymer Paints and coatings: As an additive and as a primer for improving adhesion to the substrate, especially glass and metal Improved shelf life over aminosilanes in polyurethanes Important product effects that can be achieved through the use of KH-560 include: Improved mechanical properties, such as flexural strength, tensile strength, impact strength and modulus of elasticity Improved moisture and corrosion resistance Improved electrical properties, for example dielectric constant, volume resistivity.
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