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GENIOSIL® MTE
GENIOSIL® MTE is a clear, colorless liquid with an odor
characteristic of alcohols.
- CAS编号 2031-67-6
- 实验式 C7H18O3Si
- 分子量 178,30
特性
The use of GENIOSIL® MTE to render fillers water repellent considerably improves their dispersibility and
reduces their sedimentation tendency. Mineral-filled plastics can thus be processed more easily. Additionally, resistance to
moisture and chemicals is much increased. GENIOSIL® MTE can be used as a constituent of silica gels,
silicone resins and silicone rubber. In such compounds, the degree of curing and hence mechanical properties, such as
elongation at break, modulus of elasticity and a coating's flexibility, can be controlled precisely by varying the amount of
GENIOSIL® MTE used.
GENIOSIL® MTE is an alkylalkoxysilane. The silane hydrolyzes slowly in the presence of moisture
(ethanol is released) to form reactive silanols. These react further to produce oligosiloxanes and then polysiloxanes.
数据表
General processing information:
GENIOSIL® MTE is highly miscible with standard organic solvents, such as alcohols, hydrocarbons and
acetone.
GENIOSIL® MTE is practically insoluble in neutral water and reacts only slowly to form silanols and
higher condensation products. Addition of a hydrolytic catalyst (inorganic/organic acids, ammonia or amines) accelerates
the hydrolysis of GENIOSIL® MTE substantially. The relative and absolute rates of hydrolysis and
condensation to form siloxanes will depend on various factors, such as pH (catalyst), concentration, temperature and
solvent.
GENIOSIL® MTE as a filler modifier:
GENIOSIL® MTE may be used pure or in solution to treat fillers, using suitable mixing equipment. It may
be necessary to first pre-treat the substrate with water and/or a catalyst.
GENIOSIL® MTE as a constituent of sol-gel materials and silicones:
As a constituent of sol-gel materials, GENIOSIL® MTE - on its own or together with other siliceous
building blocks, such as silicates (GENIOSIL® TE28) or organofunctional silanes from the WACKER GENIOSIL ® range and
perhaps stabilizing substances in aqueous or aqueous/organic solvent mixtures -undergoes a sol-gel process. Various
properties (e.g. refractive index, flexibility, resistance to chemicals or scratches) of coatings produced in this way can be
controlled by precisely adjusting parameters such as temperature, pH and concentration.
GENIOSIL® MTE is used mainly to render a wide range of surfaces and materials water repellent (e.g.
mineral fillers, pigments, glass, cardboard). GENIOSIL® MTE is also used in the production of silicone
resins and condensation-curing silicone rubber. In a further application, aqueous sol-gel coating systems are used to
produce organic-inorganic hybrids
储存
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.
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