silane coupling agent
Synonyms in English
coupling reagent
chemical property
The molecular formula of silane coupling agent is generally Y-R-Si(OR)3(in the formula, Y-organic functional group, SiOR-silane oxy group). Silanoxy groups are reactive to inorganic matter, and organic functional groups are reactive or compatible to organic matter. Therefore, when the silane coupling agent is between the inorganic and organic interface, the organic matrix-silane coupling agent and inorganic matrix binding layer can be formed. [1] Typical silane coupling agents are A151(vinyl triethoxylsilane), A171(vinyl trimethoxylsilane), A172(vinyl triethoxylsilane)
Product introduction and features
An organic silicon monOMER HAVING TWO or more different reaction GROUPS IN a molecule that can chemically bond (couple) with organic AND inorganic materials. The chemical formula of silane coupling agent is RSiX3. X represents hydrolytic functional group, which can be coupled with methoxy group, ethoxy group, fibrinolytic agent and inorganic materials (glass, metal, SiO2). R represents organic functional group, which can be coupled with vinyl, ethoxy, methacrylic acid, amino, sulfhydryl and other organic groups as well as inorganic materials, various synthetic resins, rubber reaction.
use
It can improve the bonding performance of glass fiber and resin, greatly improve the strength, electrical, water resistance, climate resistance and other properties of glass fiber reinforced composite materials, even in the wet state, it improves the mechanical properties of composite materials, the effect is also very significant. The use of silane coupling agent in glass fiber has been quite common, for this aspect of the silane coupling agent accounts for about 50% of the total consumption, which is used more varieties are vinyl silane, amino silane, methylallyl oxy silane and so on. The filler can be surface treated in advance or directly added to the resin. It can improve the dispersion and adhesion of fillers in resin, improve the compatibility between inorganic fillers and resin, improve the process performance and improve the mechanical, electrical and weather resistance properties of filled plastics (including rubber). It can improve their bonding strength, water resistance, climate resistance and other properties. Silane coupling agents can often solve the problem that some materials cannot be bonded for a long time. The principle of silane coupling agent as viscosifier is that it has two groups; One group can bind to the bonded skeleton material; The other group can be combined with polymer materials or adhesives, so as to form strong chemical bonds at the bonding interface, greatly improving the bonding strength. The application of silane coupling agent generally has three methods: one is as the surface treatment agent of skeleton material; Two is added to the adhesive, three is directly added to the polymer material. From the perspective of giving full play to its efficiency and reducing costs, the first two methods are better.
package and transport
B. This product can be used,25KG, 200KG,1000KG, barrel.
C. Store sealed in a cool, dry and ventilated place indoors. Containers should be tightly sealed after each use before use.
D. This product should be sealed well during transportation to prevent moisture, strong alkali and acid, rain and other impurities from mixing.