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Mar 13, 2017
Silane coupling agent in the adhesiveindustry specific application
Silane coupling agent in the adhesiveindustry, the specific application has the following aspects:
1. In the structural adhesives in thebonding of metal and non-metallic, if the use of silane type tackifier, can becondensed with the metal oxide, or with another silanol condensation, so thatthe silicon atoms and the surface of the surface firmly contact. Such as innitrile novolac structure by adding silane as tackifier, can significantlyimprove the bonding strength.
2. In the bonding glass fiber at home andabroad has been widely used silane as a treatment agent. It can reactchemically with the interface, thereby increasing the bonding strength. Forexample, if neoprene adhesive is used as a treatment agent without silane, thebond peel strength is 1.07 kg / cm2, and if the aminosilane is usedas the treatment agent, the peeling strength is 8.7 kg / cm2.
3. In rubber and other materials, bonding,silane tackifier has a special function. It significantly improved the bondingstrength of various rubber and other materials. For example, when the glass isbonded to the urethane rubber, the peeling strength of the adhesive is 0.224 kg/ cm² without using silane as a treatment agent, and the peeling strength is7.26 kg / cm² when the silane is added.
4. Bonding problems that can’t be solvedwith conventional adhesives are sometimes solved by silane coupling agents.Such as aluminum and polyethylene, silicone rubber and metal, silicone rubberand plexiglass, according to the chemical bond theory, select the appropriatesilane coupling agent, to be satisfactorily resolved.