Agricultural defoamer has a very significant meaning for the production of agriculture, its quality affects the quality of pesticides, fertilisers and other products, at the same time, to a certain extent, also affects the growth and development of crops. How to select a good agricultural antifoam agent is also the concern of various agricultural drug manufacturers, today, I will tell you an agricultural antifoam agent selection method. First of all, before selecting an agricultural antifoam agent, we should find out the reason why the product foams, and choose an antifoam agent manufacturer with good product quality and a complete range and high reputation. Then, according to the following conditions to select agricultural defoamer: 1, Agricultural antifoam agent can not affect the basic nature of the drug as well as the medicinal effect; 2, The temperature of the agricultural antifoam agent as well as the PH value of the use of a wide range; 3, Agricultural antifoam agent can not have precipitation, there are floating objects, sediments, floating oil and other situations; 4, Agricultural antifoam agent should not only have a strong defoaming effect, foam inhibition ability should also be good; 5, Agricultural antifoam agent can not contain harmful substances, to achieve environmental protection without pollution; 6, Agricultural antifoam agent additive amount should be small, to be able to use a small amount of additive to solve the problem of foaming; 7, The use of agricultural defoamer should be convenient, easy to dilute, easy to store.

Foam problem in coating system usually appears in the process of production and use, due to the existence of surfactants such as emulsifier used to emulsify hydrophobic substrate, wetting agent used to wet the substrate (coated material) and dispersant used to disperse pigments in the formula, which not only produces a large number of air bubbles, but also makes the bubbles have a tendency to stabilise, and won't disappear for a very long time. In the process of coating film formation, bubbles will cause a lot of disadvantages if they do not disappear, so add coating defoamer to eliminate these bubbles in order to achieve satisfactory results! The reason of bubble formation: The generation of bubbles is the dispersion system of gases dispersed in the liquid. In the paint, because of the presence of surfactants, these bubbles rise to the air interface, but it is any surface film containing a layer of surfactants surrounded by a layer of bilayer. The bubbles are aggregated together at the surface of the liquid to form a foam layer. Initially, the foam layer contains a number of individual bubbles, but as the number of bubbles increases, they become compressed and tightly bound together, and the pressure of the air in the bubbles changes, transforming them into more stable polyhedral foams. The problem is usually caused by the formation of polyhedral foam during the production and filling of these coatings. During mixing and dispersing procedures or during the filling of the coating, the appearance of foam layers can complicate the process, delaying production and reducing plant efficiency. Defoaming mechanism of paint defoamer: This defoamer is a combination of n-propyl acetate and methyl ethyl ketone. After use, it can quickly combine with the stable surfactant layer and penetrate into the bubble film, spread rapidly after contact with the foam, forming a very thin double-layer film, with the further diffusion of defoaming active substances, replacing the original foam film wall. And because the surface tension of the antifoam agent is lower than that of the bubble liquid, so the antifoam agent molecules attached to the surface of the bubble film will make the local surface tension decrease, and the other parts of the film still maintain the original surface tension. This difference in surface tension on the bubble film will cause the strong part of the tension to pull the weak part of the tension. Therefore, the whole bubble will appear stress imbalance, which will lead to bubble rupture. The choice of coating defoamer: Defoamer is very targeted, often in a foaming system in a good effect in another system may be poor or even help the phenomenon of foam. Coating antifoam agent selection is a more complex issue, because in the coating system, the types of additives are more, how to match them with the antifoam agent to produce a good effect, which needs to be tested before indeed.

As the name suggests, water-based cutting fluid is a liquid used for metal cutting, grinding and abrasive machining. Due to its good cooling properties, lubricating properties, anti-rust properties, degreasing and cleaning functions, anti-corrosion functions and easy dilution lubrication, most of these cutting fluids are made of various super-functional additives through scientific blending and formulation. Other characteristics, can be used to cool and lubricate tools and machined parts, is a commonly used liquid in industry. Water-based cutting fluids contain a large number of surfactants, so there are always various foam problems in use. Therefore, it is necessary to use a water-based cutting fluid defoamer. Adding it in the process of use can play a significant anti-foaming effect. Our technicians combined with many years of experience in defoaming, developed and produced aqueous cutting fluid defoamer. The defoamer is made of special modified polyether and fluorine-containing raw materials mixed by a special process, and it dissolves quickly. It can defoam and inhibit foam under high temperature, strong acid and alkali, high shear and high pressure conditions, and has many excellent properties: 1、Excellent resistance to high temperature, acid and alkali, no floating, no floating oil;. 2、It can eliminate and inhibit the foam of all kinds of bad systems in a wide temperature range. 3, it has good diffusivity and permeability, can be fully compatible with oil and cutting fluid, in acid, alkali, salt, electrolyte and hard water can play a stable role.

In the water crisis continues to erupt now, water resources have become a very precious resource, water used in all aspects of life, people's daily life has been inseparable from the water, human beings to carry out water treatment has been quite a number of years of history, the way of water treatment, including physical treatment and chemical treatment, mainly for the treatment of sewage and drinking water, and in the sewage treatment works, due to the easy generation of bubbles, it needs to be used to sewage treatment defoamer. Use to sewage treatment defoamer. The purpose of water treatment is to improve the quality of water to meet certain water quality standards. Water recycling can save water to a large extent, in the process of sewage treatment, will encounter a large number of biochemical pools produce a large number of foam, and if stationary, it will overflow from the pool, causing serious contamination of external equipment outside the pool wall, so that the operating conditions deteriorate, seriously affecting the surrounding environment. Water treatment defoamer can well control or clean up the foam generated in the process of sewage treatment, with the continuous development of the defoamer industry, sewage treatment defoamer a wide range of types of sewage treatment defoamer for different sewage there are different defoamer for sewage, such as: domestic sewage treatment defoamer, aquaculture wastewater treatment defoamer, plating wastewater treatment defoamer and so on. The recycling of water after sewage treatment meets the requirements of contemporary socio-economic development and environmental protection. Along with the water resources crisis, the process of sewage reuse has also become a point of concern, in order to improve the water quality and change the environment, the technology of sewage treatment will continue to develop and innovate.

One of the major issues facing participants in the Brazilian containerboard market at the moment is the impact of the floods in Rio Grande do Sul on demand in the country. Although difficult to estimate, especially in light of the downward revision of gross domestic product (GDP) forecasts, we still believe that the floods will have a limited impact on demand for paper products in 2024, as the negative impact should be offset by a positive outcome. The industry consensus is that Brazil's 2% GDP growth forecast could be revised down by 0.3-0.4 percentage points, as Rio Grande do Sul accounts for around 6.5% of the country's GDP, but has a higher share of industrial production (~8%) and agriculture (~13%). The federal government estimates that the state, which has a population of 10.8 million, will need about $10bn to rebuild. Several pulp and paper mills were directly or indirectly affected by the tragedy. It's worth noting that, according to estimates from economists at Valor Media Group, the average GDP of affected countries fell by about 1.5 percentage points following other similar disasters around the world. So what does this mean for paper product consumption? For ease of explanation, we will discuss this in two time frames: the short term (next 1-3 months) and the medium term (next 4-12 months). Short-term impact: more difficult to assess In the short term, it is expected that existing mills in the state will experience lower start-up rates, which will reduce production and raw material consumption. However, other mills across Brazil may be able to temporarily increase their start-up rates to offset the loss of production at the Rio Grande do Sul mill. The state is home to CMPC's Guaíba mill, which has the capacity to produce 2.3 million tonnes of pulp per year, or about 7.9% of the country's total pulp capacity. There are also at least seven household paper producers there, with annual production of 90,000 tonnes, or 3.7% of Brazil's household paper capacity; printing and writing paper production of about 77,000 tonnes per year, or about 3% of Brazil's total capacity; and boxboard capacity of about 107,000 tonnes and other industrial packaging paper capacity of about 24,000 tonnes, or 1.7% and 0.9% of the country's capacity, respectively. Thus, at first glance, the tragedy should have had little impact on the production side, regardless of the type of paper. However, the consumption of paper products by the local industry will decline as manufacturers partially or completely stop production during the disaster. The main impact on packaging paper consumption will come from containerboard, although this is largely produced out of state, and the animal protein and food industries, which have reported double-digit losses and production losses due to rationing of animal raw materials for the major beef and food industries. Exports are also expected to decline in the near term, thereby reducing packaging paper consumption. However, consumption o...

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Electroplating is the process of coating a thin layer of other metals or alloys on certain metal surfaces. When it comes to electroplating, it is naturally associated with electroplating solution. It refers to a liquid that can expand the cathode current density range of metals, improve the appearance of coatings, and increase the stability of solution oxidation resistance. Through the electroplating process, products with different metal glosses can be obtained, which are more popular in the market. Therefore, the electroplating process is very important. However, in the actual process application, the electroplating process will also produce foam, which requires the use of electroplating defoamer. In production and application of electroplating, due to the excessive organic substances in the bath, too high concentration of pickling solution, too much impurities. And there is still an oxide film on the surface before entering the plating bath, the electroplating solution will produce a large number of foam. Bad consequences of too much foam： 1. It will lead to increased costs. 2. Cleaning agent has Excessive loss. 3. It will affect the quality of electroplating. 4. It will affect the normal operation of the machine. After systematic research and on-site testing, defoamer used in the electroplating solution is refined from a specially modified organic polymer, belonging to high stability products with excellent defoaming function, will not cause emulsion breaking, oil floating, oil bleaching, precipitation and other phenomena, and has no obvious impact on the production of subsequent processing.

With the rapid development of the automotive industry, the usage of automotive coating is also constantly increasing. Automotive coating mainly include primer, intermediate coat, and topcoat, among which the topcoat is further divided into natural color paint and metallic flash paint. The water-based process of automotive coating is gradually carried out from bottom to surface. At present, more than 90% of the primer has been water-based coating, and 88% of the automotive intermediate coating have also adopted water-based technology. The application of water-based metal flash primer has exceeded 65%. The successful application of water-based coating in the automotive industry mainly benefits from the following aspects: First, water-based coating is low-carbon and environmentally friendly.Compared to traditional oil-based car coating, the emission of harmful substances VOC in water-based coating is reduced by 70% compared to oil-based coatings. This is beneficial for protecting the environment and conforms to the trend of low-carbon environmental protection. Second，water-based coating itself has excellent performance. In terms of vehicle painting, water-based paint has better leveling, adhesion and wear resistance, which makes the topcoat more vivid and full, and is resistant to stone impact and scratches.Using water-based paint for touch-up paint has a similar color and luster. The functions are closer to the quality of the original factory, and more in line with the consumption needs of car owners. Third，the application of water-based coating helps to reflect the social responsibility of automobile companies and enhance their corporate image.Water-based automotive coating has good performance and is low-carbon and environmentally friendly. They can not only improve the service quality and image of automobile companies, but also have positive significance for environmental protection and help shape the image of companies assuming social responsibility. Fourth,the application of water-based coating provides a safer and healthier environment for auto painting workers. Water-based coating contains a lower proportion of harmful substances, which helps to protect the health of paint workers.

A delegation composed of South Korean experts and others inspected the first nuclear power plant on the 23rd, focusing on the treatment water discharge into the sea plan of TEPCO Fukushima Daiichi Nuclear Power Plant. The inspection plan lasts until the 24th. The inspection team confirmed the multi nuclide removal equipment (ALPS) for purifying water contaminated with radioactive substances, the equipment for measuring tritium activity in treated water, and the equipment for discharging into the sea. After his inspection on the 23rd, the Chairman of the South Korean Atomic Energy Safety Commission, Liu Guoxi, who served as the head of the delegation, gave an interview to the media and said, We have seen all the equipment we want to see. It is said that the inspection team focused on the structure of measuring the activity of radioactive substances before discharging the treated water into the sea. The delegation to Japan was agreed up at the Japan-South Korea summit meeting on the 7th. The delegation consisted of 21 experts in the fields of nuclear power and radiation, and stated that "the safety will be evaluated based on scientific evidence." On the 25th, it is planned to hold a summary meeting in view of the contents of the field trip.