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Hi-Tech solutions with Solaflon
SOLAFLON - amazing properties
The Solaflon Family
All types of Solaflon are liquid fluoro polymers with solid contents from 3% up to 40%, depending on the application or requirements and are pure without any other polymer-matrix.
They have in common the UV and weathering stability combined with a high transparency in the UV and visible. Also the absorption in the full range of the infrared is limited. This optical neutrality of such a polymer matrix allows a big range of applications and is also the base for high quality paints.
All Solaflon versions are available with low surface tensions, meaning with a hydrophobic behavior, what creates easy to clean surfaces and with defined additives a super hydrophobic a lotus effect.
This standard product shows a high fluorine content of about 70% and is a extremely stable solution in special solvents. The solid matter condenses out of the solution as residue and forms a continuous glass-clear film around the substrate on which it was applied.
The viscosity of Solaflon N depends on the solid content and runs from 1 mPas for a 3-5% solution up to 104 mPas for the 30% solution.
The Shore A hardness of the Solaflon N film is about 60, whereas the flexural modulus is about 80 MPa according to ASTM D 790. The melting point of the solid Solaflon N film is about 120°C.
The drying time depends on the quantity, the solid matter content and the used sol- vent system and reaches at room temperatures from some minutes to some hours.
Applying temperatures up to 170°C can shorten the drying time, but it must be observed that with high temperatures the danger of blistering is given in thicker layers.
Solaflon N can be filled with organic dyes, inorganic coloring and various functional pigments.
Besides gold shining pigments on the base of Irodin, which are creating a absolutely gold looking surface, with the same shine and appearance, also real metallic particles can be used. Especially silver shining aluminum particles creating not only a very clever silver imitation, but also as full coating a black-out material.
An important feature is the possibility to create a low emissivity
on the surface of the
Such a unique material was realized by the company POM TV UG and is today the inner liner of the new Bangkok airport, the biggest textile structure of the world.
Some pictures underneath showing this product on the base of Solaflon N
SOLAFLON N Liquid
Solaflon N Liquid has a low solid content and creates micro coatings of the treated textile materials with an extreme low surface tension of about 20mN/m. The coating around the filaments has a thickness of about 1µm, but treated textiles or nonwovens become strongly water repellent and remain despite this breathable.
Because the coating is just a wrapping up of the single filaments, any mechanical impact can destroy it. Therefore those micro-coating should just be applied to fabrics, which are exposed to limited mechanical stress.
Solaflon C is very similar to Solaflon N, but contains additional fluoride diols to perform a condensation cross-linking. Such a cross-linking can be achieved by high- energy radiation or temperatures of about 170°C for about 1 hour.
To catch the split-off water due to the condensation-reaction an inorganic filling of up
The final product is a fluoro elastomer (fluoro-rubber) with various unique features. Due to the inorganic fillers the use of Solaflon C is limited.
Solaflon A is a reactive polymer with excellent features. The additional cross-linking does not lead to reactive by-products, what keeps this Solaflon type also transparent after the cross-linking.
Because Solaflon A is high reactive, several additives can be built in without losing the transparency. Even with a high filling of about 50% this material remains quite transparent.
Solaflon A is a two-component system with a separate resin and hardener (cross- link-agent). The viscosity of even a 30% solution is with 102 mPas quite low. A high load of additives can bring up the viscosity to about 105 mPas.
The hardness and flexibility of the Solaflon A film has a wide range from rubber like material with a Shore A hardness of about 50 up to a rigid polymer with a pencil hardness of 3H and more with adequate additives.
Different solvent systems are possible, due to the planned application, with different impact on the substrates and also with different drying times.
The curing time depends strongly on the formulation of the various types of Solaflon A and the thickness of the applied coating film.
Further features of Solaflon A are listed below:
SOLAFLON A Liquid
Solaflon A Liquid has similar properties like Solaflon N Liquid, but as 2K system. The disadvantage of the two components is compensated by the superior adhesion of this spray to a wide variety of materials.
Textiles out of natural fibres, acrylic and polyester fibres get with Solaflon A Liquid a micro-coating which is chemically bonded to the substrate and not just a wrapping around. That means a much higher permanence than the pure mechanical fixation.
Also the high variety of the solvent-systems allows more applications than with Solaflon N Liquid.
The created surface tension drops also down to 18mN/m what leads to the hydro- phobic behavior of the treated fabrics.
But it must be clear that water "repellent" doesn't mean "waterproof". With the micro coating the general structure of the fabric remains as before, just the surface tension is much lower and that creates the water carrying effect for a water column of about 2-5cm, depending on the tightness of the treated fabric.
If a higher water column is demanded the solid content of the Solaflon A Liquid has
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