An ordinary temperature crosslinking agent for epoxy coatings

An ordinary temperature crosslinking agent for epoxy coatings

When choosing crosslinking agent, should according to the environment to determine the epoxy resin coating of normal temperature varieties and quantities of crosslinking agent, such as in damp environment, available ketone imide and 810 crosslinking agent, and ketone imide crosslinking agent is influenced by water is larger; In the high temperature environment, it can be used to improve the application period of paint by using the crosslinking agent of the gel time.

The overall effect should be considered in terms of dosage, such as the use of 651 crosslinking agents to not only consider the drying rate but also affect its mechanical and chemical properties.

Because of various crosslinking agent of different structure, different effect on the properties of epoxy resin coating, in order to achieve a better performance, multiple crosslinking agent distribution methods can be used to meet the requirements, such as using no.t31.welcome crosslinking agent and crosslinking agent can improve the coating for 2040, at the same time can improve the initial hardness of paint film.

You can see from the experimental analysis, the comprehensive performance of 2040 crosslinking agent is one of the best in all of the crosslinking agent, its fast drying speed, and also has a long shelf life, but don't produce the phenomenon such as implosion in the event of construction during the summer, and at low temperatures also has fast drying speed, thus has a wide applicable scope, and also has good resistance to chemical corrosion, is a kind of ideal epoxy crosslinking agent.

The acid resistance of epoxy coating is generally poor, so when designing acid resistant coating, it should be considered with other resins such as polyethylene resin.

In corrosion protection engineering in many site construction conditions, it is impossible to achieve sand blasting Sa2.5 level above standards, therefore - below Sa2 level of low processing surface, with moisture or oil (oil tank maintenance) can be used on the surface of coating request high.

Water - based resin: this is the base material of film, which determines the main function of paint film.

Film-forming assistant: after the water evaporates, the emulsion or dispersion particles form a uniform dense membrane to improve the film-forming properties of the low temperature.

Antifoaming agent and defoaming agent: suppress the bubbles produced in the paint in the process of production, and make the resulting bubbles escape and break the bubble.

Leveling agent: improving the construction properties of the paint, forming a smooth and smooth coating.

Wetting agent: improve the wetting ability of the paint liquid on the bottom material, improve the level of flow, and increase the adhesion of the paint film to the substrate.




Chinese name: Diethyl toluene diamine(DETDA)

Diethyltoluenediamine packing： net weight 200KG/ galvanized iron drum (a small cabinet pallet loaded 16 tons), 1000KG/IB barrels (a small cabinet loaded 18 tons or 23 tons of ISOTANK).


Dispersant: promote the dispersion of facial filler in the paint solution.

Rheological auxiliaries: provide good fluidity and fluidity to paint, reduce the malady in coating process.

Thickening agent: increase the viscosity of the paint solution, improve the film thickness of the coating, prevent putty and solid paint precipitation and layering.

Antiseptic: to prevent the paint from musty during storage.

Special additives: according to the special requirements of water-based paint to add fertilizer, such as rust inhibitor (tin can packaging to prevent premature rusting), a hard agent (increase film hardness, flatting agent (decrease) of paint film burnish, scratch resistance, increased slip agent (improve film shooting) and anti aging agent (to prevent coating overlying adhesion), crosslinking agent (made from bi-component paint, improve the comprehensive performance), hate water (the coating with lotus leaves effect), wear-resisting agent (increase the wear resistance of coating), uv absorber (outdoor paint aging, prevent yellow), etc.

Colorant, filler, essence, PH regulator.

Coating formula research and development is the important content of coating science, but involves many science, the research object is complex, there is no perfect theory, the formula design is mainly on the accumulation of experience and a large number of experimental optimization.


Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd 

Diethyl toluene diamine(DETDA)  http://www.yaruichem.com