Physical index of epoxy phosphate ester adhesion promoter XYS-1985-22

2021-11-26   Pageview:160

Epoxy phosphate ester adhesion promoter XYS-1985-22
Ingredient: epoxy acrylic acid modified carboxylic acid ester
Appearance: colorless to light yellow transparent liquid
Solid content: 60%
Acid value: 60-90mgKOH/g
Viscosity(25℃):810-1250mpa.s

 

 

 

 

 

 

 

 

 

 

 

 

The so-called nano additives refer to materials with a size between 1 and 100 nm. When they are added to the paint, they can significantly improve the performance of the paint or give the paint new functions.

Nanomaterials have basic characteristics such as small size effect, surface effect, quantum size effect and macroscopic quantum tunneling effect. Therefore, people use it as a coating additive to modify coatings. For example, nano-silica and nano-alumina can improve the hardness and scratch resistance of the coating, nano-anatase-type titanium dioxide can be used as a photocatalyst and self-cleaning agent, nano-rutile-type titanium dioxide, nano-silica, nano-mica and nano Dioxide decoration can impart UV resistance to the coating. Nano-anatase titanium dioxide and nano-zinc oxide have antibacterial and anti-fungal properties. Nano-magnetic materials, nano-borides and nano-carbides can be used in stealth coatings. Nano-iron trioxide and nano-titanium dioxide , Nano-chromium trioxide and nano-zinc oxide make the coating film have antistatic properties, and the hybridization of inorganic nano-materials and polymers makes the binder have the advantages of both organic and inorganic materials.

It is not difficult to add nano additives to coatings, but to keep them in the nano state and modify them, so as to greatly improve and enhance the performance of the coating, or produce new application performance, nano additives The key and difficulty lies in this.

Wang Xuesong and others used nano-scale antimony tin oxide wax powder, and obtained a dispersion of about 28 nm after selecting the appropriate type and amount of dispersant and the dispersion process. Then it is combined with polyacrylic acid emulsion and other pigments and fillers to make conductive latex paint. When the nano-dispersion reaches a certain amount, the coating film meets the requirements of conducting static electricity, the surface resistivity is not more than 1090/cm², and the volume resistivity is not more than 1080·cm. Compared with the micron-level static conductive powder, the nano-level static conductive powder can obtain the static conductive effect in a small amount.

Since Honda and Fujishima Akira discovered the photocatalytic properties of titanium dioxide in 1972, the preparation and application of photocatalytic materials have made continuous progress. People use nano anatase titanium dioxide as a photocatalyst to produce coatings that can purify air [8~101
Mixed crystal catalysts, doping with metal ions of different valences, and compounding with other semiconductor compounds or microstructured minerals can improve the photocatalytic activity of nano anatase dioxide.

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