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Product overview:
KH-170 | KH-270 | |
Chemical Name | Bis(3-trimethoxysilyl propyl) amine | Bis(3-triethoxysilicyl propyl) amine |
CAS No. | 82985-35-1 | 13497-18-2 |
Molecular Structural Formula | ||
Molecular Formula | C12H31NO6Si2 | C18H43NO6Si2 |
Corresponding foreign products:
Momentive | DowCorning | ShinEtsu | Degussa | Wacker | |
KH-170 | A-1170 | N/A | N/A | 1124 | N/A |
KH-270 | N/A | N/A | N/A | 1122 | N/A |
Typical physical property:
Indexes | Typical Values | |
KH-170 | KH-270 | |
Molecular Weight | 341.55 | 425.71 |
Appearance and Odor | Low viscosity, light yellow clear transparency liquid with slight ammonia smell. | |
Density (ρ20), g/cm3 | 1.040 | 0.973 |
Boiling Point (760mmHg), ºC | 285 | 300 |
Solubleness | Soluble in alcohol, ester, ether, benzene and other conventional aliphatic and aromatic solvents, it can react with acetone and carbon tetrachloride, and can hydrolysis in water; the hydrolysate is unstable. |
Product characteristics and application:
1. The secondary amine structure uniquely owned by KH-170/KH-270 makes its reaction milder and slower with better stability; meanwhile, more hydroxyl groups will appear after hydrolysis, it can be used as cross-linking agent for epoxy resin, urethane resin, resins with amine end and modified resin, the modification gives these polymers with the characteristics of moisture curing.
2. This product is especially suitable for polyurethane, RTV, epoxy, phenolic adhesive and sealant to improve the dispersibility of pigments and filters, and enhance the adhesive strength and water resistance of tackiness agents for glass, metals and other inorganic materials.
3. Higher crosslinking density can be obtained after KH-170/KH-270 is hydrolyzed, so it is also especially suitable to be used as pretreating agent for filler surface treatment and corrosion protection of metals.
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