3-UREIDOPROPYLTRIETHOXYSILANE

3-UREIDOPROPYLTRIETHOXYSILANE Basic information
Introduction
Product Name:3-UREIDOPROPYLTRIETHOXYSILANE
Synonyms:(3-silylpropyl)-uresi-(ethoxyandmethoxy)derivs.;N-(TRIETHOXYSILYLPROPYL)URE;TRIETHOXY-3-UREIDOPROPYLSILANE;[3-[TRI(ETHOXY/METHOXY)SILYL]PROPYL]UREA;3-UREIDOPROPYLTRIETHOXYSILANE;(3-(TRI(ETHOXY/METHOXY)SILYL)PROPYL)UREA , 50 WT. % SOLUTION IN METHYL ALCOHOL;50wt.%solutioninmethylalcohol;[3-[tri(ethoxy/methoxy)silyl]propyl]urea solution
CAS:116912-64-2
MF:C10H24N2O4Si
MW:264.39
EINECS:601-461-6
Product Categories:Adhesion Promoters;Coupling Agents;Surface Modifiers;Ureido Silanes
Mol File:116912-64-2.mol
3-UREIDOPROPYLTRIETHOXYSILANE Structure
3-UREIDOPROPYLTRIETHOXYSILANE Chemical Properties
Boiling point 68°C [760mmHg] (initial, methanol)
density 0.91 g/mL at 25 °C
refractive index n20/D 1.39
Fp 58 °F
EPA Substance Registry SystemUrea, (3-silylpropyl)-, Si-(ethoxy and methoxy) derivs. (116912-64-2)
Safety Information
Hazard Codes F,T
Risk Statements 11
Safety Statements 16-23-45
RIDADR UN 1866 3/PG 2
MSDS Information
ProviderLanguage
SigmaAldrich English
3-UREIDOPROPYLTRIETHOXYSILANE Usage And Synthesis
Introduction3-Ureidopropyltriethoxysilane is a bifunctional organosilane having a reactive organic ureido group and a hydrolyzable inorganic triethoxysilyl group. The dual nature of its reactivity allows 3-Ureidopropyltriethoxysilane to bind chemically to both inorganic materials (e.g. glass, metals, fillers) and organic polymers (e.g. thermosets, thermoplastics, elastomers), functioning as an adhesion promoter and as a surface modifier. 3-Ureidopropyltriethoxysilane is a 50% solution of silane in methanol; it is a colorless liquid with an alcohol-like odor and is soluble in alcohols, ketones, esters or aromatic hydrocarbons.

Applications:
  • 3-Ureidopropyltriethoxysilane can be used with such polymers as epoxy, phenolic, furan and melamine resins, polyurethanes, PA, PBT, PE, EVA, PP, PVB, PVAC, acrylics and silicones.
  • Used as a size constituent of finish for glass fiber/glass fabric composites.
  • Used as an additive to phenolic, furan and melamine resins for foundry resins and abrasives.
  • Used as an additive for sealants and adhesives.
  • 3-Ureidopropyltriethoxysilane can be used as an additive and/or primer for paints and varnishes to improve adhesion to the substrate.
The most important effects which can be achieved using 3-Ureidopropyltriethoxysilane are improvements in product properties, such as:
  • Improved mechanical properties: e.g. flexural strength, tensile strength, impact strength, modulus of elasticity.
  • Improved resistance to moisture and corrosion.
  • Higher temperature of deflection under load.


Chemical PropertiesColorless clear liquid with alcohol-like odor
3-UREIDOPROPYLTRIETHOXYSILANE Preparation Products And Raw materials
Tetraethyl orthosilicate Triethylsilane N-3-(TRIETHOXYSILYLPROPYL)-N-3-(TRIMETHOXYSILYL-PROPYL)UREA N-(Triethoxysilylpropyl)urea 3-UREIDOPROPYLTRIETHOXYSILANE Triethoxypropylsilane Bis([3-triethoxysilyl)propyl]urea N,N-DIOCTYL-N'-TRIETHOXYSILYLPROPYLUREA N-OCTADECYL-N'-[3-(TRIETHOXYSILYL)PROPYL]UREA (S)-N-1-PHENYLETHYL-N'-TRIETHOXYSILYLPROPYLUREA

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