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Substrate Wetting with Silicone Surfactants -- 2014-02-12

When a liquid coating is applied on a substrate, it is expected, that it will wet that substrate easily and evenly. Good wetting is necessary for an optically perfect surface, good adhesion to the substrate and full functionality of the coating (substrate protection). Most important for the substrate wetting are the surface tension values of the involved materials: the liquid coating and the solid substrate. In general, for good substrate wetting the surface tension of the coating material (p) ...

Silicones as Surface-Active Agents -- 2014-02-12

Silicones are highly surface active due to their low surface tension caused by the large number of methyl groups and due to the small intermolecular attractions between the siloxane hydrophobes.  The siloxane backbone of the molecule is highly flexible, which allows for maximum orientation of the attached groups at interfaces.Silicone polyethers are non-ionic and have both a hydrophilic part (low-molecular-weight polymer of ethylene oxide or propylene oxide or both) and a hydrophobic part ( ...

Silicone Surfactants for Coating -- 2014-02-12

As shown above, by adjusting the polarity it is possible to synthesize silicone additives which are compatible with aqueous coating systems. However, oftentimes it is observed, that the efficiency of such additives is not sufficient, especially when wetting of low energetic substrates (plastics) is concerned. The water content in these coating systems creates a relatively high surface tension(higher than in solvent-based coatings) which is reduced by the silicone additives, but oftentimes is sti ...

Influencing the surface tension of coatings -- 2014-02-12

The surface tension of the liquid coating is primarily defined by the selection of the resins and the solvents; the pigments have no influence. In practice, however, selection of these raw materials is normally not based on their surface tension but on other properties. Resins are selected regarding, e.g., their cross-linking mechanism, the required chemical resistance and the mechanical properties of the dry film. For the solvents it is important that they can easily dissolve the resins in ques ...

Improvement of wetting -- 2014-02-12

Wetting can be influenced by the substrate surface and via the formulation ofthe coating. In principle, a solid surfaceis always well wetted if the surface tension of the liquid is small compared to the free surface energy of the substrate. Substrates with low surface energies include polyethylene, polypropylene and Teflon, examples of high energy surfaces are metals, metallic oxides and glass.Cleaning of metallic substrates removes grease and increases their surface energy. Corona treatment of ...

Other Names of Silibase Silicone Levelling Agent -- 2014-02-12

Silicone Additive, Silicone Leveling Agent and Silicone Defoamer, Flow and Leveling Additive for Leather, Flow and Leveling Additive for Paint, Flow and Leveling Additive Solution for Ink, Flow and Leveling Additive for Coating, Flow and Leveling Additive for PU Leather, Silicon Flow and Leveling Additive, Substrate Wetting Additive for Coating, Substrate Wetting Additive for Paint, Substrate Wetting Additive for Ink, Substrate Wetting Additive for PU LeatherSilicone Substrate Wetting Additive, ...

Many Factors Must be Considered When Choosing a Surfactant for Use in a Pest Management Program -- 2014-02-12

Many factors must be considered when choosing a surfactant for use in a pest management program. Here are some guidelines:Use only surfactants manufactured for agricultural or horticultural uses. Do not use industrial products or household detergents with pesticides because they may interfere with pesticide performance.Make sure the surfactant has been thoroughly tested and proven effective for your intended use. Avoid questionable products that are not registered for use. In Canada, it is illeg ...

Choosing the Right Surfactant for Agriculture -- 2014-02-12

In recent years, sulfonylurea herbicides have become popular with farmers as crop protection manufacturers continue to develop new uses for this family of compounds. Their low application rates, broad spectrum weed control and favorable toxicological properties have contributed to the success of this group of herbicides.Surfactants are critical to the performance of these post-emergence herbicides. Many labels recommend the addition of surfactants with agricultural sprays because they are proven ...

How to use Silibase Silicone Surfactant for Agricultural -- 2014-02-12

Silicone Surfactant has 2 kinds of usages. There are:1. In Agrochemical FormulationsSilicone Surfactant may be used as an ingredient in formulations, provided all the ingredients are compatible. Silicone Surfactant is stable in neutral aqueous formulations (pH=6.5~7.5), but will degrade rapidly in acidic or alkaline formulations. New product formulations should be thoroughly tested for performance and shelf stability before entering market. Additionally, it is recommended that Silicone Surfactan ...

Other Informations about Silibase Silicone Surfactant for Agricultural -- 2014-02-12

Usable Life and Storage of Silibase Silicone Surfactant for Agricultural Normally usable life is 24 months, but when stored between 20 and 40°C (68 and 104°F), Silibase Silicone Surfactant has a shelf life of 36 months from date of manufacture.The product should be stored in a cool place in its original package. Avoid direct contact with acidic and alkaline chemicals. Avoid heavy pressure and direct sunlight.Package of Silibase Silicone Surfactant for Agricultural Depend on customers’ require ...

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