The specific applications of silane coupling agents in the adhesive industry are as follows:
①In the structural adhesive, the metal and non-metal bonding, if a silane-based tackifier is used, it can condense with the metal oxide or with another silanol, so that the silicon atoms are in close contact with the surface of the object. For example, adding silane as a tackifier in the nitrile phenolic structural adhesive can significantly improve the bonding strength.
② Silane has been widely used as a treatment agent in bonding glass fibers at home and abroad. It can chemically react with the interface to improve the bonding strength. For example, if the neoprene glue is not used as a treatment agent, the peel strength of the glue is 1.07 kg/cm2, and if the amino silane is used as the treatment agent, the peel strength of the glue is 8.7 kg/cm².
③In the bonding of rubber and other materials, silane tackifier has a special function. It obviously improves the bonding strength of various rubbers and other materials. For example, when glass and polyurethane rubber are glued, if silane is not used as a treatment agent, the peel strength of the glue is 0.224 kg/cm2, and if silane is added, the peel strength is 7.26 kg/cm².
④ Bonding problems that cannot be solved with general adhesives can sometimes be solved with silane coupling agents. For example, aluminum and polyethylene, silicon rubber and metal, silicon rubber and organic glass, can be based on the chemical bond theory, select the corresponding silane coupling agent, and get a satisfactory solution. For example, vinyl triperoxide tert-butyl silane (Y-4310) can be used to bond polyethylene and aluminum foil; butadienyl triethoxy silane can make the pull-off strength of silicone rubber and metal reach 21.6~ 22.4 kg/cm2. General adhesives or resins combined with coupling agents can not only increase the adhesive strength, but also increase the water resistance and durability of the adhesive force. For example, polyurethane and epoxy resin have high adhesion to many materials, but the durability and water resistance of the adhesion are not ideal; after adding the silane coupling agent, the performance in this area can be significantly improved .
⑤ It can be used for organic treatment in the production process of electrolytic copper foil. That is, the silane coupling agent is uniformly sprayed on the surface of the copper foil to form an organic film, which further improves the oxidation resistance and solder resistance, and also helps to improve the bonding force between the copper foil and the substrate.
Other applications of silane coupling agents include:
①Attach the immobilized enzyme to the surface of the glass substrate,
②Sand control during oil well drilling,
③Make the masonry surface hydrophobic,
④The fluorescent lamp coating has a higher surface resistance through the anti-moisture absorption effect;
⑤Improve the moisture absorption performance of the organic relative to the glass surface in the liquid chromatography column.
(Some materials on this website come from the Internet. If the information displayed on this website infringes your copyright or other legal rights, please notify us in time, and this website will be deleted in time.)
Heshan Headquarters: Zhennan Industrial City, Heshan City, Jiangmen, Guangdong
Guangzhou Branch: Room 904~905, Building 1, Jiji Kechuang, Beitai Road, Baiyun, Guangzhou
Mobile phone: +86-13828029905
Telephone: 86-750-3460307
mst@kboron.com