-
How can water-in-water colorful paint spray evenly?
- 2019-03-13 09:38:42
- admin
Water-in-water multi-color paint spray guns to use most of the spray, for the operation, but also because of the improper use of the gun caused by uneven distribution of the coating,the following together to see how to solve it. The smaller the gun distance, the greater the pressure of the spray, the greater the impact of the product by the pressure of the water, water-in-watercolorful paint coati...
-
(A)water-based industrial coating common problems- transparency, color fullness of shade
- 2020-02-29 17:42:30
- admin
water-based resin | water-based industrial coating (a) water paint common problems Common problems with water-based lacquer wood paint: transparency, Color fullness of shade The complaint that often hears about paint of ability in water is paint of ability in water diapure is poor, cannot show the plump godliness of woodiness. In general, the transparency of water-based paint is determined by the ...
-
Water-based paint knowledge base-the coating contains bubbles and degassing
- 2020-02-29 16:10:17
- admin
Common problems with water-based paint: the coating contains bubbles and degassing Phenomenon: During the production of waterborne coating, it is found that the coating contains bubbles after thickening.The bubble volume is big bubble, the volume is small bubble, This kind of phenomenon often happens in paint of equal thickness thick pulp of elastic drawing. Bubble may cause pinhole or prickly hea...
-
Classification and characteristics of waterborne coatings - Waterborne acrylic coatings
- 2020-02-22 14:49:19
- admin
Classification and characteristics of waterborne coatings - Waterborne acrylic coatings The emulsifier that USES when polymerization can be anionic, also can be nonionic or cationic, corresponding latex and the lacquer that make also can call anionic, nonionic or cationic. Acrylic waterborne wood lacquer is a variety of applications that have been used earlier and are still in large quantities. Si...
-
Problems to be considered in the formulation of aqueous acrylic emulsions (2) : phase structure of emulsion particles and film forming AIDS
- 2020-02-21 10:35:27
- admin
The internal structure of waterborne acrylic emulsion particles will affect several aspects of waterborne paint formulations.According to the order in which the effects are affected, the phase structure will first affect the selection and addition of the filming aid.Different phases have different hydrophilic/lipophilic characteristics, and the oleophilic properties of various coalescents are diff...
-
Characteristics and construction technology of silicone waterproof coating
- 2022-07-09 11:38:16
- admin
1.After besmear brushes its film sex is good, the surface after coating solidifies can form uniform rubber shape elastomer, and this kind of coating suits special-shaped structure very much. 3.It is very convenient when construction, suit any besmear to brush means, be it wet surface also can construct. 4.Coating itself is absolutely environmental protection, non-toxic without any smell, the use o...
-
Application scenarios of waterborne polyurethane defoaming agent
- 2022-07-09 11:06:53
- admin
Waterborne polyurethane is often used in the preparation of waterborne coatings because of its excellent film formation and adhesion, excellent flexibility and wear resistance.However, water-based polyurethane dispersion contains a lot of surfactant, easy to produce bubbles, and because of the special properties of water-based polyurethane, it is necessary to use the characteristics of water-based...
-
What is silicone antifoaming agent
- 2022-07-28 16:19:29
- admin
Silicone antifoaming agent is a white viscous emulsion.It has been used in various industrial fields since the 1960s, but large-scale and comprehensive rapid development began in the 1980s.As silicone defoaming agent, its application field is also very wide, more and more attention by all walks of life. In chemical industry, papermaking, paint, food, textile, pharmaceutical and other industrial de...
-
The difference between coupling agent and surfactant
- 2022-08-08 16:55:53
- admin
In the process of coating manufacturing, it is necessary to belong to the hydrophilic polar material Yan, fillers dispersed to belong to the hydrophobic non-polar material organic base material.In order to increase the affinity between inorganic matter and organic polymer, it is generally necessary to use coupling agent or other surfactants to treat the surface of inorganic matter, so that it chan...
-
Development trend and direction of surfactants used in pesticides
- 2023-08-03 17:24:33
- admin
Surfactants play the role of wetting, dispersing, emulsifying and solutizing in pesticide processing, and have become one of the indispensable components of pesticide preparations, and are often called auxiliaries, emulsifiers, dispersants, auxiliary agents, etc., they can be a combination of a variety of surfactants.At present, pesticide formulations are developing in the direction of waterborne,...
-
The relationship between structure and dispersion of surfactants
- 2023-09-22 17:26:36
- admin
Water dispersion system is commonly used to analyze the relationship between surfactant structure and dispersion.As a hydrophobic solid particle, it can adsorb the hydrophobic group of the surfactant, and if it is an anionic surfactant, the outward-facing hydrophilic genes have the same charge and repel each other. Obviously, the adsorption efficiency of surfactants increases with the increase of ...
-
Low viscosity water-based acrylic adhesive how to choose the right defoamer
- 2023-10-10 14:09:28
- admin
Defoamer is a substance with low surface tension and high surface activity, which can inhibit and eliminate foam in the liquid, that is to say, defoamer can reduce the surface tension of water, solution, suspension, etc., to prevent foam generation or eliminate the original foam.Long-term defoaming is also known as defoaming, and the length of the defoaming time is the main sign of the quality of ...
-
How to choose additives in waterborne polyurethane resin
- 2024-03-02 17:15:45
- admin
In the production process of water-based polyurethane to add a certain type of additives, it is necessary to pay attention to its role in the various stages of storage, construction, application, and consider and evaluate its role and impact in the next section. For example, when the water-based polyurethane paint is operated with wetting and dispersing agents, it plays a certain role in storage a...
-
What is the difference between flexo printing and gravure printing
- 2024-04-03 17:48:27
- admin
The main difference is that the nature is different, the production process is different, and the characteristics are different, as follows: First, the nature is different 1.Flexo printing Flexo printing is a direct printing method known as flexo printing because of the use of elastic, raised image plates. 2.Gravure printing Gravure refers to gravure printing, first the printing plate on the exces...
-
Application of surfactants in coatings
- 2024-06-13 17:25:27
- admin
Classification of surfactant applications in coatings: According to the role of the classification, the coating industry used surfactants can be divided into the following categories: emulsifier, pigment surface treatment agent, pigment wetting dispersant, defoamer, levelling agent, anti-mold, fungicide, antistatic agent, brightening agent, slippery agent and so on. Application of surfac...
-
Application of surfactants in pesticides
- 2024-06-14 17:10:31
- admin
In the use of pesticides, only a few cases are the direct use of the original drug, and most of the cases are mixed with other additives and solvents to improve its use value and reduce the cost of use. Surfactant is a kind of additives that can give greater play to the value of pesticides and reduce the cost of pesticides. It plays the role of emulsification, foaming/defoaming, dispersi...