(3-Mercaptopropyl)trimethoxysilane, also known as KH-590, A-189 or Z-6062, is a silane coupling agent commonly used in various industries. It is characterized by the presence of a mercapto (sulfhydryl) functional group.
This compound is primarily utilized as a coupling agent to promote adhesion between organic materials, such as polymers or resins, and inorganic surfaces, including metals, glass, or minerals. It forms covalent bonds that enhance compatibility and improve bonding strength between different materials.
Additionally, (3-Mercaptopropyl)trimethoxysilane can modify the surface properties of materials, making them more hydrophobic and providing increased resistance to moisture, chemicals, and environmental degradation.
Its thiol (sulfhydryl) functional group also enables (3-Mercaptopropyl)trimethoxysilane to participate in cross-linking reactions. It can react with other reactive groups, facilitating cross-linking and polymerization processes in various systems.
Furthermore, (3-Mercaptopropyl)trimethoxysilane finds application as a corrosion inhibitor or surface treatment agent, offering protection against corrosion by forming a protective layer on metal surfaces. It can also act as a lubricant and release agent, reducing friction and improving release properties in rubber, plastics, and molds.
The compound is utilized in coatings and paints to enhance adhesion to different substrates while providing improved durability, chemical resistance, and water repellency.
Overall, (3-Mercaptopropyl)trimethoxysilane plays a vital role as a coupling agent, surface modifier, cross-linking agent, corrosion inhibitor, lubricant, and release agent in various industries, contributing to enhanced material performance and functionality.
1. Adhesion Promotion: As a silane coupling agent, KH-590 improves the adhesion between organic materials, such as polymers or resins, and inorganic surfaces like metals, glass, or minerals. It forms covalent bonds, enhancing the bonding strength and overall compatibility of diverse materials.
2. Surface Modification: The compound can modify the surface properties of materials, making them more hydrophobic and improving their resistance to moisture, chemicals, and environmental degradation. This modification contributes to enhanced durability and performance in various applications.
3. Cross-Linking Agent: Due to its thiol functionality, KH-590 can participate in cross-linking reactions. It reacts with other reactive groups, such as epoxies or unsaturated compounds, enabling the formation of covalent bonds and facilitating cross-linking in polymer systems.
4. Corrosion Protection: It can act as a corrosion inhibitor or surface treatment agent, providing protection against corrosion by forming a protective layer on metal surfaces. This helps to prevent or minimize the degradation of materials due to corrosive environments.
5. Lubrication and Release Properties: The compound exhibits lubricating properties, reducing friction between surfaces and improving the release characteristics of materials, such as rubber, plastics, and molds. This feature enhances the functionality and performance of these materials in various applications.
1. KH-590 is used in applications such as:
a. Glass composites: as a finish or a size ingredient.
b. Glass and metal primer.
c. Sealants and adhesives: as a primer, additive, or for chemical modification of the polymer.
d. Mineral filled polymers: for pretreat- ment of fillers and pigments or as an additive.
2. Important product effects that can be achieved through the use of KH-590 include:
a. Compression set.
b. Improved mechanical properties, e.g., flexural strength, tensile strength, impact strength and modulus of elasticity, tear strength.
c. Improved moisture and corrosion resistance.
d. Improved electrical properties, such as dielectric constant, volume resistivity.
e. Increased thermal resistivity.
3. KH-590 can also improve such processing properties as:
a. Cure time
b. Filler dispersion
c. Rheological behavior: (e.g., viscosity reduction)
d. Higher filler loading
| Appearance |
Colorless or light yellow liquid |
| Purity |
≥97.0% |
| Density at 25ºC |
1.057g/ml |
| Refractive index (20ºC) |
1.440 |
| Cas No. |
4420-74-0 |
| Molecular Formula |
C6H16O3SSi |
| Molecular Weight |
196.34 |
| Flash point |
88ºC |
| Boiling point at 760 mmHg |
93ºC |
Beijing Entrepreneur Science & Trading Co., Ltd. was established in the year 2001. We are focused on import and export business of high-quality specialty chemicals. Since its establishment, relying on diligent efforts, spirit of enterprising and professional services, the company has established extensive cooperation with world-famous chemical manufacturers and gained a good reputation in China chemical industry.
We have stable distribution cooperation with world leading suppliers from America, Europe, Japan and Taiwan. We are distributors of Ames Advantage Material, Novamet, Lanxess, Momentive, Potters, Rhodia, Roquette, Oerlikon Metco, Inovyn, KJ Chemical, Tokuyama, Mitsubishi Chemical, Chang Chun Group, etc.
Our products selling in China include Conductive Powder, Thermal Conductive Powder, Microwave Absorbing Powder, Acrylamide Functional Monomer and Special UV Monomer, Special Epoxy Resin, Mercaptan Curing Agent, Silane, Fumed Silica and Precipitated Silica, PVC Paste Resin, PVA, Carbon Black, Modified Starch, Photocatalyst, Formaldehyde Capture agent, Root Blocking Agent, Platinum Catalyst, Vinyl Silicone Oil, Surfactant, etc.
In 2014, the company entered the chemical export business. Based on our understanding of China chemical market, we select most qualified suppliers. We are able to source raw materials directly from factories. Most of our partners are the largest factory in China with over 20 years history. They have huge annual outputs, and hold ISO9001, ISO14001, GMP, KOSHER, HALAL, FDA, GSP, etc. certificates.
Our export products include Conductive Powder, Thermal Conductive Powder, Plant Extract, Inorganic Powder, Plasticizer, PVC Paste Resin, Silane, Flavors and Fragrances, Salen Catalysts and Ligands, Organic Intermediates, Pharmaceutical Intermediates.
We are proud to serve industries such as coating, ink, sealant, industrial, cosmetics, conductive powder, thermal conductive powder, pharmaceutical, flavor & fragrance, aroma, as well as many others.
We will support our customers in a continuous way in the following:
1. Timely feedback to inquiry within 24 hours
2. Pre-sales consultancy
3. Supply samples
4. Competitive price
5. Good packaging
6. Timely delivery
7. Small order is available
8. Good after sales services
9. Provide TDS, COA, commercial invoice, packing list and certificate of origin. Special requirements also could be discussed and met.
Can I request samples?
Yes, absolutely! We offer free samples of specified quantities. You only need to cover the freight charges.
Which documents are provided?
We provide essential documents such as Certificate of Analysis (COA), Technical Data Sheet (TDS), Material Safety Data Sheet (MSDS), and more upon request.
What is your Minimum Order Quantity (MOQ)?
Typically, our MOQ is one standard package. However, we understand the importance of testing before committing to a mass order, so we offer free samples for your evaluation.
How do you ensure the quality of your products?
We prioritize quality assurance through several measures:
1. Expert Staff: Our team comprises professionals with extensive experience in chemical products or related fields. They undergo comprehensive training before providing any quotations.
2. Sample Availability: We offer free samples or pre-shipment samples for new collaborations, ensuring that our commercial products match the specifications provided to customers.
3. Third-Party Inspection: Upon request, we can arrange Third-Party Inspections, such as SGS, to further validate the quality of our products before shipping.
How do I make payments?
Once you receive the Proforma Invoice (PI) along with our product specifications, you can proceed with payment. We accept various payment methods including Telegraphic Transfer (T/T), Letter of Credit (LC), and more.
What is your after-sales service like?
At Beijing Entrepreneur Science & Trading Co., Ltd., we prioritize fostering long-term relationships with all our customers. For every order, we ensure transparency and commitment by signing a legally binding sales contract. Should you have any doubts or concerns regarding our products or services, please do not hesitate to contact us. Your satisfaction and trust are our top priorities.
Can I use my own label or packaging?
Absolutely. If required, we can use labels or packaging according to your specifications and preferences. Your branding and packaging needs are important to us, and we'll ensure they are met to your satisfaction.
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