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Silane Coupling Agent In The Adhesive Industry Specific Application
Jan 27, 2018

① in the structural adhesive metal and non-metallic adhesive, if the use of silane adhesion promoter, it can be condensed with the metal oxide, or with another silanol condensation, so that the silicon atoms and glue the surface is in close contact. Such as nitrile phenolic structural adhesive added silane as a tackifier, can significantly improve the bonding strength.

② in the bonding of glass fiber at home and abroad have been widely used silane as a treatment agent. It can react chemically with the interface to increase bond strength. For example, the neoprene adhesive has a peel strength of 1.07 kg / cm 2 when not treated with silane, and 8.7 kg / cm 2 when treated with aminosilane.

③ In the rubber and other materials, the adhesive, silane tackifier has a special function. It significantly improves the bonding strength of various rubbers with other materials. For example, when the glass is bonded with a urethane rubber, the peel strength of the adhesive is 0.224 kg / cm 2 unless silane is used as the treatment agent, and the release strength is 7.26 kg / cm 2 if the silane is added.

④ could not have been used to solve the general adhesive bonding problems sometimes available silane coupling solution. Such as aluminum and polyethylene, silicone rubber and metal, silicone rubber and plexiglass, can be based on the chemical bond theory, select the appropriate silane coupling agent, be satisfactorily resolved. For example, the use of vinyl t-butyl peroxy silane (Y-4310) polyethylene can be bonded with the aluminum foil; with butadiene-based triethoxysilane silicone rubber and metal tear strength can reach 21.6 ~ 22.4 kg / cm 2. General adhesive or resin used in conjunction with the coupling agent not only can improve the bonding strength, more important is to increase the water resistance and adhesion durability. Such as polyurethane and epoxy resin for many materials, although with high adhesion, but the bonding durability and water resistance is less than ideal; adding silane coupling agent, this performance can be significantly improved .

⑤ in the electrolytic copper foil production process can be used as organic treatment. That is, the surface of the copper foil is uniformly sprayed with a silane coupling agent to form an organic film to further enhance the anti-oxidation ability and the solder resistance, and also help to improve the binding force between the copper foil and the substrate.