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3-Thiocyanatopropyltriethoxysilane: Properties, Applications, and Benefits

In the world of chemical compounds, 3-Thiocyanatopropyltriethoxysilane (TCTES) is a versatile organosilane that has gained significant attention and recognition in various industries. TCTES is a colorless liquid that has a characteristic odor and is soluble in most organic solvents. It is a trialkoxysilane with a thiocyanate functional group that makes it unique and valuable for many applications.

INNO SPECIALTY CHEMICALS, a leading manufacturer and supplier of specialty chemicals in China, produces and supplies 3-Thiocyanatopropyltriethoxysilane under various brand names, including Evonik Degussa Si 264, Degussa Si 264, 3-(Triethoxysilyl)propyl thiocyanate, Triethoxy-3-thiocyanatopropylsilane, and 3-triethoxysilylpropyl thiocyanate.

Properties of 3-Thiocyanatopropyltriethoxysilane

TCTES is a silane coupling agent that exhibits excellent adhesion, wetting, and dispersing properties. It has a boiling point of 255°C, a flashpoint of 115°C, and a vapor pressure of 0.4 mm Hg at 25°C. TCTES can polymerize when exposed to moisture and forms a stable, cross-linked network that enhances the adhesion and compatibility of the treated surfaces with various polymers, resins, and coatings.

Applications of 3-Thiocyanatopropyltriethoxysilane

TCTES has various applications in different industries, including adhesives and sealants, coatings and paints, rubber and plastics, and pharmaceuticals. Here are some of the most common applications of TCTES:

Adhesives and Sealants: TCTES acts as a coupling agent and adhesion promoter in various types of adhesives and sealants. It enhances the bonding strength and durability of the adhesive joints by improving the wetting and spreading of the adhesive on the substrate surface. TCTES also improves the water resistance and chemical stability of the adhesive and prevents the degradation and delamination of the joint.

Coatings and Paints: TCTES is a versatile functionalized silane that is used as a crosslinking agent and surface modifier in coatings and paints. It enhances the adhesion and compatibility of the coating with the substrate by forming a covalent bond between the two surfaces. TCTES also improves the water repellency, scratch resistance, and UV stability of the coating and prevents the formation of cracks and blisters on the surface.

Rubber and Plastics: TCTES is a valuable additive in rubber and plastics that enhances the mechanical properties, such as tensile strength, elongation, and tear resistance. It also improves the adhesion and compatibility of the rubber and plastic compounds with the reinforcing agents, such as carbon black and silica, and the metal substrates, such as steel and aluminum. TCTES also provides better processing and curing properties of the rubber and plastic compounds.

Pharmaceuticals: TCTES is a useful reagent in the synthesis of various pharmaceutical compounds and intermediates. It acts as a thiol reactive agent that can selectively modify the thiol groups in the biomolecules, such as proteins and peptides, and form stable covalent bonds. TCTES can also crosslink the biomolecules and form hydrogels that can be used for drug delivery and tissue engineering applications.

Benefits of 3-Thiocyanatopropyltriethoxysilane

TCTES offers several benefits to the users and the end products, such as:

Improved adhesion and compatibility with various substrates and polymers.

Enhanced mechanical properties, such as strength, elasticity, and durability.

Improved water repellency, chemical resistance, and UV stability.

Better processing and curing properties of the compounds.

Selective modification and crosslinking of biomolecules for pharmaceutical applications.

Conclusion

3-Thiocyanatopropyltriethoxysilane is a versatile and valuable organosilane that has various applications in different industries. INNO SPECIALTY CHEMICALS, a leading manufacturer and supplier of specialty chemicals in China, produces and supplies TCTES under various brand names, such as Evonik Degussa Si 264, Degussa Si 264, and 3-(Triethoxysilyl)propyl thiocyanate. TCTES offers several benefits, such as improved adhesion, mechanical properties, water repellency, and UV stability, and selective modification of biomolecules for pharmaceutical applications.

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