Silane coupling agent LD-792
First, chemical name
N-β-(aminoethyl)- γ- aminopropyltrimethoxysilane
Second, other corresponding brands
A-1120(Compton)、KBM-603(ShinEstu, Japan)
Third, physical properties and relevant technical indicators
item | index | item | index |
appearance | Colorless to light yellow transparent liquid | Refractive index Nd25 | 1.4425~1.4500 |
Density 20℃ | 1.010-1.030 | Content% | ≥97 |
solubility | Soluble in organic solvents like benzene、diethyl ether, can react with acetone、carbon tetrachloride and water | ||
Fourth, overview
LD-792 is belonging to diamino silane coupling agents and shows alkalinity, with which it is especially suitable for
vinyl resin paint, epoxy resin paint, polyurethane resin paint and can significantly improve coatings’ adhesive force to
coating surface, extremely effective to metal steel、copper、etc.
Fifth, main applications
This product can be an additive, with which there is no need to use special coatings, only
LD-792 silane coupling agent can make following systems presenting better adhesion performance.
RTV silicon resin and composite silane crosslinking sealant: LD-792 silane coupling agent with single、double component silane crosslinking the adhesive force of various substrates including glass、steel、aluminum and concrete. When used for silylated polyurethane polymer, with SPURSM technology this silane can effectively
improve the adhesive force of a series of plastic.
Polysulfide sealant: adding in single、double component polysulfide sealant enables LD-792 silane coupling agent
provide good adhesion performance for various substrates including glass、aluminum and steel. General additive amount is
0.5-1.0% of the weight of sealants. This product has good dispersion and can get inner crack instead of interfacial crack.
In addition, using LD-792 silane coupling agent can totally replace the primer which is used to promote the adhesive force
between coating and coating surface.
Plastic paste sealant: when dealing with plastic paste sealant (0.5-1%), as the adhesive,
LD-792 can replace polyamine aldehyde compounds to enhance metal substrates’ viscosity. Besides increasing the
strength, the appearance of plastic paste improved by silane is better than the one bonded by polyamine nylon.
The plastic paste improved by LD-792 silane coupling agent is light color and has no bubble after curing.
As the additive of phenolic and epoxy module plastic: as the additive of which, LD-792 can reduce the water absorption
of module composite materials, for this, it can improve product’s wet electrical property, especially under low frequency.
What’s more, the strength at high temperature can get improved.
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