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The role of wetting and dispersing agents in coating systems
Time of Update: 2021-03-17
Coatings generally use anionic or ionic polyelectrolyte dispersants, and color pastes generally use non-ionic or partly anionic dispersants to make the surface of white pigments and colored pigments adsorb different wetting and dispersing agents, and have different surface tensions.
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Concealed anti-theft latex paint formula
Time of Update: 2021-03-17
Thermal imaging has good concealment and prevention.
Concealed anti-theft latex paint is mainly used on building walls.
At 300~800r/min rotating speed, put in preservative, defoamer, acrylic emulsion, pH adjuster, thickener, disperse evenly and filter to get the finished product.
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[Audio explanation] This is how the water separation of latex paint turns out to be!
Time of Update: 2021-03-17
(3) Production process Reasonable stirring speed: high speed (above 1200RPM) is used in the pigment dispersion stage to ensure uniform dispersion of pigment and filler particles and to disperse the agglomerated particles.
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Basic composition and performance of water-based wood paint
Time of Update: 2021-03-17
With the improvement of people's living standards and a high degree of concern for health, the future home decoration and furniture coatings market must be the world of water-based paints.
According to the types of film-forming substances, they can be divided into: one-component polyurethane dispersion, acrylic emulsion, two-component water-based polyurethane and so on.
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Adhesive formula for aluminum honeycomb composite panel with good adhesion and heat resistance
Time of Update: 2021-03-17
PrecautionsThe ratio of each component of the adhesive for aluminum honeycomb composite panel is as follows: component A: epoxy resin 45-55, diluent 2-5, functional filler 30-42, KH-560 coupling agent 1.
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Clean flavor active crystal environment-friendly insect-killing emulsion paint formula
Time of Update: 2021-03-17
Recipe details (parts by mass)Production MethodPut deionized water into the stainless steel tank, then put the additives and pigments and fillers in sequence and stir and disperse, then put the base material into the stainless steel tank, and then slowly put the clean taste active crystal solution into the tank, and stir well for 8-15 minutes until mixed Evenly, the paint is adjusted finally, and the product is obtained when the viscosity is qualified.
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Reflective solar thermal paint formula
Time of Update: 2021-03-17
PrecautionsThe mass ratio of each component of the reflective solar thermal coating formula is as follows: modified acrylic resin 30~34, resin 422 15~20, nano titanium dioxide 25~28, xylene 12~15, nano calcium carbonate 5~7, auxiliary Agent FLOW-300 5.
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Water-based acrylic waterproof and thermal insulation coating formulation
Time of Update: 2021-03-17
PrecautionsThe proportions of each component of this formula are as follows: elastic acrylate copolymer emulsion 150~200, VAE emulsion 90~150, silicone waterproofing agent 50~120, pigments and fillers 300~400, solvent 200~300, additives 30 ~40.
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Latex paint composition, classification, performance and identification method
Time of Update: 2021-03-17
Brush: High-quality latex paint is very smooth and has strong hiding power; inferior latex paint has no hiding power and does not have much hardness after drying.
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Modified acrylic special coating formula
Time of Update: 2021-03-17
IntroductionThe modified acrylic special paint anti-rust primer has excellent anti-rust performance, the top coat has excellent anti-aging performance, and is also resistant to salt spray, water, dilute acid, chemical fumes and alternating dry and wet.
Add special modified aromatic aldehyde resin, plasticizer, toughening agent, stabilizer, and disperse at high speed for 0.
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Zero VOc emission environmental protection latex paint formula review
Time of Update: 2021-03-17
Recipe details (parts by mass)Production MethodTake 50%~90% of the total water, add dispersant, wetting agent, preservative, pigments and fillers in sequence according to the above mass ratio, and disperse at a speed of 1000 ~ 3000r/min to a fineness of less than 50μm, add defoamer After defoaming, add film-forming additives, emulsion, thickener and the remaining water, stir evenly at a rotating speed of 300~600r/min, and prepare an environmentally friendly latex paint.
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Yellow interior wall latex paint formula (1)
Time of Update: 2021-03-17
After the filtration is completed, under low-speed stirring, add wetting agent, defoamer, film-forming aid, emulsion to the above-mentioned dispersed slurry, and then add thickener to adjust the viscosity to 90~100KU, add pH adjuster to make the pH The value is 8.
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Wall construction often encounters problems and solutions (above)
Time of Update: 2021-03-17
，“，”，。，，。，，，。，“”，，。，，，，,，，，，，， ，，，， ，。，，，8℃，，，，，，，，、。：Uneven substrate porosity, different adsorption, uneven application thickness of primer and topcoat, partial dry spraying during spraying, using d
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Medium and high PVC latex paint formula
Time of Update: 2021-03-17
Medium and high PVC latex paint formulations use C12 alcohol ester as the film-forming aid, which is a high boiling point environmental protection aid; non-ionic polyurethane thickening and leveling agent is a solvent-free additive, which is biodegradable; emulsified silicone oil defoamer, with water Emulsification; the dispersant is a polycarboxylate sodium salt dispersant, which is a solvent-free low odor sodium salt dispersant.
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Clean smell and ultra-low VOC-high performance environmentally friendly latex paint formula and preparation method
Time of Update: 2021-03-17
Choose VAE emulsion, so that freeze-thaw stability, low odor, ultra-low VOC and basic performance of latex paint meet the national standard requirements.
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Yellow interior wall latex paint formula (2)
Time of Update: 2021-03-17
After the filtration is completed, under low-speed stirring, add wetting agent, defoamer, film-forming aid, emulsion to the above-mentioned dispersion slurry, and then add thickener to adjust the viscosity to 90~100KU, add pH adjuster to make the pH The value is 8.
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What are the properties of the coating?
Time of Update: 2021-03-17
The filling is greatly related to the content of the extender pigment of the primer, so the filling and transparency It has a great relationship (the number of primers with good filling properties is less)6) Sandability: After the paint film is dry, it is difficult to grind it into a flat surface with sandpaper (the primer with good sandability is more convenient for construction)Paint film performancePaint film performance refers to the performance of the paint film formed after coating.
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Professionals share knowledge and experience of coating chemistry and technology
Time of Update: 2021-03-17
) synthesis principles, raw materials, processes and examples; pigments, fillers, additives, and coating formulation principles for coatings; coating process; film formation mechanism; industrial applications of coatings; environmentally friendly coatings ; And the production process and equipment of paint.
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Soothing nano latex paint formula view
Time of Update: 2021-03-17
Then reduce the rotation speed to 300~800r/min, put in the preservative, defoamer ②, VAE emulsion, 10% sodium hydroxide aqueous solution in turn, put the thickener to disperse evenly, and get the finished product after filtration.
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Nano water-based interior wall insulation coating formula (2)
Time of Update: 2021-03-17
Stir water, dispersant, ethylene glycol, and half of the defoaming agent uniformly under low-speed stirring, add pigments and fillers and thermal insulation functional materials in sequence under stirring, stir evenly, and then grind through a ball mill to obtain a slurry.
