1-Propanethiol, 3–
(3-Mercaptopropyl)triethoxysilane (CAS 14814-09-6) is an organosilane coupling agent featuring both hydrolyzable ethoxysilyl groups and a reactive thiol functional moiety. This dual-reactivity allows it to bridge organic polymers and inorganic substrates like silica, glass, and metals through stable covalent bonding. The ethoxy groups hydrolyze in the presence of moisture to form silanol networks that anchor firmly to mineral surfaces, while the terminal mercapto group readily participates in free-radical addition or cross-linking reactions with various polymer matrices. Consequently, it acts as a molecular bridge that significantly enhances mechanical strength, adhesion durability, and corrosion resistance in advanced composite materials.
– Silicone and Rubber Compounding: Used as a coupling agent in sulfur-cured elastomer formulations, particularly silica-filled tire treads, to improve tensile strength and reduce rolling resistance.
– Surface Modification and Adhesion: Applied to glass, metal, and ceramic surfaces to promote adhesion for coatings, adhesives, and sealants under humid conditions.
– Metal Surface Protection: Utilized to form protective self-assembled monolayers or primer layers that inhibit corrosion on copper, aluminum, and steel substrates.
Product Name: 1-Propanethiol, 3–
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