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The use of caustic soda involves many fields.
Caustic soda can be divided into flake soda, granular soda and solid soda according to its form. The use of caustic soda involves many fields, the following is a detailed introduction for you: 1. Refined petroleum. After being washed with sulfuric acid, petroleum products still contain some acidic substances, which must be washed with sodium hydroxide solution and then washed with water to obtain refined products. 2.printing and dyeing Mainly used in indigo dyes and quinone dyes. In the dyeing process of vat dyes, caustic soda solution and sodium hydrosulfite should be used to reduce them to leuco acid, and then oxidized to the original insoluble state with oxidants after dyeing. After the cotton fabric is treated with caustic soda solution, the wax, grease, starch and other substances ... -
Global PVC demand recovery depends on China.
Entering 2023, due to sluggish demand in various regions, the global polyvinyl chloride (PVC) market still faces uncertainties. During most of 2022, PVC prices in Asia and the United States showed a sharp decline and bottomed out before entering 2023. Entering 2023, among various regions, after China adjusted its epidemic prevention and control policies, the market expects to respond; the United States may further raise interest rates in order to combat inflation and curb domestic PVC demand in the United States. Asia, led by China, and the United States have expanded PVC exports amid weak global demand. As for Europe, the region will still face the problem of high energy prices and inflation recession, and there will probably not be a sustainable recovery in industry profit margins. ... -
What is the impact of a strong earthquake in Turkey on polyethylene?
Turkey is a country straddling Asia and Europe. It is rich in mineral resources, gold, coal and other resources, but lacks oil and natural gas resources. At 18:24 on February 6, Beijing time (13:24 on February 6, local time), a magnitude 7.8 earthquake occurred in Turkey, with a focal depth of 20 kilometers and an epicenter at 38.00 degrees north latitude and 37.15 degrees east longitude. The epicenter was located in southern Turkey, close to the border of Syria. The main ports in the epicenter and the surrounding area were Ceyhan (Ceyhan), Isdemir (Isdemir), and Yumurtalik (Yumurtalik). Turkey and China have a long-standing plastic trade relationship. my country’s import of Turkish polyethylene is relatively small and is decreasing year by year, but the export volume is gradually... -
Analysis of China’s caustic soda export market in 2022.
In 2022, my country’s liquid caustic soda export market as a whole will show a fluctuating trend, and the export offer will reach a high level in May, about 750 US dollars/ton, and the annual average monthly export volume will be 210,000 tons. The substantial increase in the export volume of liquid caustic soda is mainly due to the increase in downstream demand in countries such as Australia and Indonesia, especially the commissioning of the downstream alumina project in Indonesia has increased the procurement demand for caustic soda; in addition, affected by international energy prices, local chlor-alkali plants in Europe have started construction Insufficient, the supply of liquid caustic soda is reduced, thus increasing the import of caustic soda will also form a positive suppo... -
China’s titanium dioxide production reached 3.861 million tons in 2022 .
On January 6, according to the statistics of the Secretariat of the Titanium Dioxide Industry Technology Innovation Strategic Alliance and the Titanium Dioxide Sub-center of the National Chemical Productivity Promotion Center, in 2022, the production of titanium dioxide by 41 full-process enterprises in my country’s titanium dioxide industry will achieve another success, and the industry-wide production The total output of rutile and anatase titanium dioxide and other related products reached 3.861 million tons, an increase of 71,000 tons or 1.87% year-on-year. Bi Sheng, secretary-general of the Titanium Dioxide Alliance and director of the Titanium Dioxide Sub-center, said that according to statistics, in 2022, there will be a total of 41 full-process titanium dioxide production ... -
Sinopec made a breakthrough in the development of metallocene polypropylene catalyst ！
Recently, the metallocene polypropylene catalyst independently developed by the Beijing Research Institute of Chemical Industry successfully completed the first industrial application test in the ring pipe polypropylene process unit of Zhongyuan Petrochemical, and produced homopolymerized and random copolymerized metallocene polypropylene resins with excellent performance. China Sinopec became the first company in China to successfully independently develop metallocene polypropylene technology. Metallocene polypropylene has the advantages of low soluble content, high transparency and high gloss, and is an important direction for the transformation and upgrading of the polypropylene industry and high-end development. Beihua Institute started the research and development of metallocene po... -
Chemdo’s year-end meeting.
On January 19, 2023, Chemdo held its annual year-end meeting. First of all, the general manager announced the holiday arrangements for this year’s Spring Festival. The holiday will start on January 14 and the official work will begin on January 30. Then, he made a brief summary and review of 2022. The business was busy in the first half of the year with a large number of orders. In contrast, the second half of the year was relatively sluggish. Overall, 2022 passed relatively smoothly, and the goals set at the beginning of the year will are basically completed. Then, GM asked each employee to make a summary report on his one-year work, and he give comments, and praise employees who performed well. Finally, the general manager made an overall deployment arrangement for the work in ... -
Caustic Soda (Sodium Hydroxide) – what is it used for ??
HD Chemicals Caustic Soda – what is its use at home, garden , DIY? The best known use is draining pipes. But caustic soda is also used in several other household situations, not only emergency ones. Caustic soda, is the popular name for sodium hydroxide. HD Chemicals Caustic Soda has a strong irritating effect on the skin, eyes and mucous membranes. Therefore, when using this chemical, you should take precautions – protect your hands with gloves, cover your eyes, mouth and nose. In the event of contact with the substance, rinse the area with plenty of cold water and consult a doctor (remember that caustic soda causes chemical burns and severe allergic reactions). It is also important to store the agent properly – in a tightly closed container (soda reacts strongly with... -
2022 Polypropylene Outer Disk Review.
Compared with 2021, the global trade flow in 2022 will not change much, and the trend will continue the characteristics of 2021. However, there are two points in 2022 that cannot be ignored. One is that the conflict between Russia and Ukraine in the first quarter has led to a surge in global energy prices and local turmoil in the geopolitical situation ; Second, US inflation continues to rise. The Federal Reserve raised interest rates several times during the year to ease inflation. In the fourth quarter, global inflation has not yet shown a significant cooling. Based on this background, the international trade flow of polypropylene has also changed to a certain extent. First, China’s export volume has increased compared to last year. One of the reasons is that China’s domes... -
Application of caustic soda in pesticide industry.
Pesticides Pesticides refer to chemical agents used in agriculture to prevent and control plant diseases and insect pests and regulate plant growth. Widely used in agricultural, forestry and animal husbandry production, environmental and household sanitation, pest control and epidemic prevention, industrial product mildew and moth prevention, etc. There are many varieties of pesticides, which can be divided into insecticides, acaricides, rodenticides, nematicides, molluscicides, fungicides, herbicides, plant growth regulators, etc. according to their uses; they can be divided into minerals according to the source of raw materials. Source pesticides (inorganic pesticides), biological source pesticides (natural organic matter, microorganisms, antibiotics, etc.) and chemically synthesized ... -
PVC Paste Resin Market.
Rise in Demand for Construction Products to Drive Global PVC Paste Resin Market Increasing demand for cost-effective construction materials in developing countries is estimated to boost the demand for PVC paste resin in these countries in the next few years. Construction materials based on PVC paste resin are replacing other conventional materials such as wood, concrete, clay, and metal. These products are easy to install, resistant to changes in climate, and less expensive and lighter in weight than the conventional materials. They also offer various advantages in terms of performance. Increase in the number of technological research and development programs related to low-cost construction materials, especially in developing countries, is anticipated to propel the consumption of PVC p... -
Analysis on the Changes in the downstream consumption of PE in the future.
At present, the main downstream uses of polyethylene in my country include film, injection molding, pipe, hollow, wire drawing, cable, metallocene, coating and other main varieties. The first to bear the brunt, the largest proportion of downstream consumption is film. For the film product industry, the mainstream is agricultural film, industrial film and product packaging film. However, in recent years, factors such as restrictions on plastic bags and the repeated weakening of demand due to the epidemic have repeatedly troubled them, and they are facing an embarrassing situation. The demand for traditional disposable plastic film products will be gradually replaced with the popularization of degradable plastics. Many film manufacturers are also facing industrial technological innovation...