Evonik (formerly Degussa AG) AMMO, Dynasylan AMMO, gamma aminopropyltrimethoxysilane Overview:
Dynasylan ® AMMO 3-aminopropyltrimethoxysilane is developed and produced by Evonik Degussa AG, and is a bifunctional silane with active primary amino groups and hydrolyzable methoxysilane groups. This dual reactivity makes Dynasylan ® AMMO can form chemical bonds on both inorganic materials (such as glass, metal, fillers) and organic polymers (such as thermosetting resins, thermoplastic resins, synthetic rubber), and is therefore used as an adhesion promoter and surface modifier. Dynasylan ® AMMO 3-aminopropyltrimethoxysilane is a colorless and transparent liquid with a similar ammonia odor. It can dissolve in alcohols, aliphatic or aromatic hydrocarbons.
Dynasylan ® AMMO 3-aminopropyltrimethoxysilane functionality:
In the presence of water, the methoxy group of Dynasylan ® AMMO 3-aminopropyltrimethoxysilane undergoes hydrolysis, generating active silanol groups (Si OH) that can react with many inorganic substances to form bonds. The hydrophobic amino groups on Dynasylan ® AMMO can react with suitable polymers. Dynasylan ® AMMO 3-aminopropyltrimethoxysilane undergoes hydrolysis under autocatalytic conditions, and the pH value of the hydrolysis product is approximately 10-11.
Suitable inorganic materials can include glass, glass fiber, glass wool, asbestos, silicic acid, quartz, quartz, calcium silicate, mica, as well as aluminum hydroxide, magnesium hydroxide, kaolin, talc powder, other silicate fillers, metal oxides, and metals.
Dynasylan ® AMMO 3-aminopropyltrimethoxysilane is suitable for polymers such as epoxy, phenolic, furan and melamine resins, polyurethane PA、PBT、PC、EVA， Modified PP PVB、PVAC、PVC、PS、 Nitrile rubber, polyester, acrylic resin, and silicone resin.
Dynasylan ® AMMO 3-aminopropyltrimethoxysilane can react with ketone or ether solvents. Silane or siliconized materials can react with carbon dioxide to produce corresponding carbonates and/or amino esters. Product modification can be carried out by reacting with suitable monomers or polymers (such as isocyanates, epoxides, etc.).
Evonik (formerly Degussa AG) AMMO, Dynasylan AMMO, gamma aminopropyltrimethoxysilane application:
Dynasylan ® AMMO 3-aminopropyltrimethoxysilane is used as an important additive in many fields, such as:
• Fiberglass, Fiberglass Composite: A component used for post-treatment or coating treatment
• Pre coating for glass and metal
• Mold resin: as an additive for cold cured phenolic and furan resins
• Sealing glue and adhesive: pre coated or additive, chemically modified
• Mineral filled composite materials: pre-treatment of fillers and pigments
• Paint and coatings: used as additives and/or pre coatings to improve adhesion to substrates
Using Dynasylan ® The important roles of AMMO 3-aminopropyltrimethoxysilane in the product include:
• Improve mechanical performance, such as flexural strength, tensile strength, impact strength, and elastic modulus
• Improve water vapor resistance and corrosion resistance
• Improve electrical performance, such as dielectric constant and volume resistivity
Dynasylan ® AMMO 3-aminopropyltrimethoxysilane can also improve operational performance, such as:
• adhesion
• Better dispersion of fillers
•Rheological properties: reduce viscosity, Newtonian fluidity
• Higher filling amount
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