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Tel:+86-020-38856806
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【Chinese Company Headquarters】
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·POSITION:Products → Industry → Powder treatment → N-(β-Aminoethyl)-γ-aminopropyltrimethoxysilane
Product description
Structural formula:
Empirical formula:C8H22N2O3Si
Molecular weight:222.4
CAS No.:1760-24-3
Chemical name:N-(β-Aminoethyl)-γ-aminopropyltrimethoxysilane
Properties
LT-792 is a bifunctional silane possessing a reactive amino groups and hydrolysable methoxysilyl groups. The dual nature of its reactivity allows it to bind chemically to both inorganic materials (e.g. glass, metals, fillers) and organic polymers (e.g. thermoplastics, thermosets or elastomers). It is used as adhesion promoter at organic/inorganic interfaces, for modification of surfaces (corrosion prevention, component of primers) or silicone-polymer or as crosslinker (moisture crosslinking of polymers).
The use of LT-792 as a coupling agent leads to in general to an improvement of mechanical and electrical product properties above all under exposure to heat and/or moisture.
LT-792 is a colorless to slightly yellowish liquid with an amine-like odor which is soluble in alcohols and aliphatic as well as aromatic hydrocarbons.
Technical data
Reactivity
LT-792 is a bifunctional organic compound in which the silicon-functional methoxy-groups hydrolyze in the presence of water to form reactive silanols, which can be bonded to an inorganic substrate; the organophilic diamino group can interact with a suitable polymer.
The hydrolysis of LT-792 takes place auto- catalyticcally. The pH of the hydrolysate is about 10. For longer stability of the hydolysale a pH of 4 is recommended. Examples of particularly suitable inorganic substrates are glass or glass fibres. Examples of suitable polymers are PA, PBT, PC, EVA, modified PP, PVAC, PVC, acrylates and silicones.
LT-792 can undergo reactions with ketones or esters as solvents. The silane or silanized substrates can react with carbon dioxide to form the corresponding carbonates. Product modifications are possible through addition reactions with suitable monomeric or polymeric compounds (such as isocyanates, exposides).
Application and performance
LT-792 is an important ingredient in many applications.
Examples are:
★glass fibre/glass fabric composites: as size constituent or finish
★glass and metal primers
★sealants and adhesives: as primer or additive
★mineral-filled polymers (composites): for pre-treatment of fillers and pigments or as additive
★paints and coatings: as additive and primer for improving adhesion to the substrate
The most important effects which can be achieved using LT-792 are:
improvement in product properties, such as
★flexural strength, tensile strength, impact strength and modulus of elasticity
★moisture and corrosion resistance
improvement in processing properties, such as
★adhesion
Product safety, handling and storage
Customers considering the use of this product should review the latest Material Safety Data Sheet and label for product safety information, handling instructions, personal protective equipment if necessary, and any special storage condition required. The “Best use before end” date of each batch is shown on the product label. Storage beyond the date specified on the label does not necessarily
mean that the product is no longer usable. In this case however, the properties required for
the intended use must be checked for quality assurance reasons.
Packaging
Information on available container sizes is obtainable from NEW BLUESKY supplier.
【International Sales Office】
Address:Room 2401,Tower B, Winner Plaza, No.100 Huangpudadao West Road, Tianhe District, Guangzhou,China
Tel:+86-020-38856806
Fax:+86-020-38856809
E-mail:feng@blueskychemical.com
【Headquarters & Plant】
Address:No.8 Development Avenue,New Materials Industrial Park,High tech Zone, Xiantao City, Hubei Province, China
Tel:+86-0728-3254088
Fax:+86-0728-3253808
E-mail:feng@blueskychemical.com
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