Introduction and application of polyvinyl alcohol (PVA) materials
Science name: polyvinyl alcohol English name: Polyvinyl alcohol English abbreviation: PVA Polyvinyl alcohol (PVA) is made from vinyl acetate through polymerization and alcoholysis. It is a white, stable, non-toxic water-soluble polymer, powder, flake or flocculent solid. Polyvinyl alcohol contains many alcohol groups, has polarity, and can form hydrogen bonds with water, so it can be dissolved in polar water; It is also soluble in hot hydroxyl containing solvents such as glycerin and phenol,...
Supply and demand status of sodium hexametaphosphate (SHMP) in China in 2022
Overview of sodium hexametaphosphate industry Phosphates are mainly divided into feed-grade calcium phosphate and industrial phosphate, of which industrial phosphate is widely used in the food processing industry. According to anions, it can be divided into orthophosphate and polyphosphate. The widely used polyphosphates include sodium tripolyphosphate, sodium pyrophosphate and sodium hexametaphosphate. Sodium hexametaphosphate can be used as food quality improver, pH regulator, metal ion...
Overview of China's carbon black industry in 2022: the automobile industry will increase the demand for carbon black
Summary: 1、 Industry chain: auto production stopped falling and recovered, driving the demand for carbon black to increase Carbon black has a strong adsorption effect, so it can be used as a high-quality rubber reinforcing agent to increase the strength of rubber. More than 80% of carbon black is used in rubber production, of which the demand for tires is the largest. Carbon black can effectively improve the wear resistance of tires. With the opening of the epidemic prevention and control...
Interpretation of annual data of PVC powder in China from 2022 to 2023
Introduction In 2022, the PVC powder market in China will face dual pressures from both macro and micro perspectives, showing the main characteristics of reduced profits, lower prices, weak domestic demand and high social inventory. Although the new capacity is limited, the output is reduced, and the export continues to record high, the support for the market is limited, and the PVC powder is still in a stage of oversupply, and the market is operating under pressure. In the coming 2023, the...
Brief analysis of China's DOP market in 2022
1、 Overview DOP, namely dioctyl phthalate, is an organic ester compound and a commonly used plasticizer. It is mainly used for the processing of PVC resin, chemical fiber resin, acetic acid resin, ABS resin, rubber and other polymers, and also for paint, dye, dispersant, etc. According to different uses, DOP can be divided into general DOP, electrical DOP, food DOP and medical DOP. 2、 Industrial chain Dioctyl phthalate (DOP), an organic ester compound, is a common plasticizer. The main reaction...
Photovoltaic EVA production hit a new low in December
According to the survey, the domestic EVA output in December was 179000 tons, an increase of 26.02% month on month, while the photovoltaic EVA output reached a new low throughout the year, with the production scheduling ratio of only 30.45%, about 54500 tons, a decrease of 7.63% month on month. Up to now, the EVA photovoltaic material inventory for manufacturers has been basically cleared, and part of the inventory has been transferred to traders. Looking back to the year 2022, the total output...
Inventory of PVC Market in 2022 and Outlook in 2023
Core viewpoints From the perspective of PVC supply and demand, the supply side increase is limited, but in view of the industry profit pressure, the capacity utilization rate may decline. However, if the profit is restored, the PVC supply side has a large elastic space. On the demand side, under the pressure of overseas recession, foreign demand is expected to decline, but domestic real estate policies continue to release in order to make up for export shrinkage through domestic demand....
China Releases and Implements New National Standard for PVC Paste Resin
The national standard for PVC paste resin GB/T 15592-2021 Polyvinyl Chloride Paste Resin was officially released and implemented. The new national standard revised eight indicators, giving consideration to implementing the concept of environmental friendliness and protecting the health of employees. At the same time, the new national standard will also lead PVC paste resin manufacturers to actively adopt advanced technology, continuously improve product quality, break trade barriers, and play a...
In 2022, the PVC value will continue to decline, with a decline of 3600 yuan/ton within the year
2022 is a very unusual year, and it will certainly be a year to be talked about in the future. Because the market revealed a lot of unexpected situations and changes, the PVC value in the year was weak, and the PVC value in the first half of the year fluctuated and was appropriate. Since the middle of the year, the PVC value has continued to decline, again falling to the low level before the epidemic, with a decline of about 3600 yuan/ton in the year. The weak trend is the reflection of the...
Effect of various carbon black on rubber hardness
Carbon black can increase the hardness of rubber, but many friends do not know what factors affect the hardness of rubber. In fact, the characteristics of carbon black affect the hardness of rubber. Here, Jiululing Carbon Black Network will introduce the influence of carbon black on the strength of rubber. Effect of carbon black particle size on rubber hardness The particle size of carbon black is closely related to the hardness of rubber vulcanizate. It can be said that the smaller the...
In November, the carbon black market improved slightly
On November 30, the domestic carbon black price was 12,250 yuan/ton. The carbon black market price rose slightly this month. At present, the carbon black market demand is flat, and there is a strong wait-and-see mood on the market, with little market change. On the cost side, the price of high-temperature coal tar for raw materials rose and fell in this month, and the price in most regions was temporarily stable with limited fluctuation. Affected by the limited production of coke enterprises,...
Tronox will reduce titanium dioxide production in the fourth quarter due to weak demand
Tronox said in its statement announcing its third quarter earnings that due to declining demand in Europe, the Middle East, Africa and the Asia Pacific region, the US pigment producer Tronox planned to reduce its production of titanium dioxide (TiO2) in the fourth quarter. Tronox was the second titanium dioxide producer to announce production cuts in the fourth quarter. John Dromano, co CEO of Tronox, said that due to customer destocking, continued weakness in Europe, the Middle East, Africa...
Forecast and Analysis on the Current Situation and Development Trend of China's Titanium Dioxide Market in 2022
Titanium dioxide, an important inorganic chemical pigment, is mainly composed of titanium dioxide. There are two production processes of titanium dioxide: sulfuric acid process and chlorination process. It has important applications in coating, printing ink, paper making, plastic rubber, chemical fiber, ceramics and other industries. Market status 1. Output With the development of economy and the improvement of people's living standards, especially the industrialization and urbanization of...
The role of titanium dioxide in coatings
Titanium dioxide is an important white pigment, which can be divided into plate titanium type, anatase titanium type and rutile type. The plate titanium type is very unstable. Compared with traditional white pigments such as lead white, zinc white and lithopone, titanium dioxide has many excellent properties, such as high refractive index, strong achromatic power, great hiding power and harmless, and is called a good white pigment. It is used in coatings, plastics, chemical fiber, ceramics and...
Application of Iron Oxide Red in Paint
Paints and coatings are formulated products of a multi-component system, and generally cannot be used as engineering materials alone. The amount and relative proportion of each component in the paint formulation have a great impact on the performance of the paint (such as leveling, dryness, etc.) and film (such as gloss, hardness, etc.). Therefore, the paint must be formulated to meet all requirements. Factors to be considered in the formulation design of coatings and paints include: substrate,...
Analysis and Expectation of the Domestic Market of Iron Oxide Red Pigment
Iron oxide red pigment is an important inorganic pigment. Its output is second only to titanium dioxide and ranks second in the world in inorganic pigments. It is the color pigment with the largest consumption. Iron oxide red pigment is a class of iron oxide pigments with the largest demand. 1. Domestic market sales status and future sales trend of ferric oxide red pigment In 2021, the domestic market sales revenue of iron oxide red pigment will reach 932.62 million yuan. It is estimated that...
Characteristics of Pickled Iron Oxide Red and Application of Pickled Iron Oxide Red
1 What is pickling iron oxide red Pickling ferric oxide red takes a large number of steel plate pickling waste liquid discharged by iron and steel enterprises as raw materials, and recycles valuable metals in the pickling waste liquid. The ferric oxide (Fe2O3) obtained from the wet treatment of pickling waste liquid with ferric oxide red is called pickling ferric oxide red. The spray roasting method can also be used to treat pickling waste liquid pretreatment, impurity removal, synthesis, water...
Both global PVC demand and price have declined
Since 2021, the global demand for polyvinyl chloride (PVC) has risen sharply, which has never happened since the global financial crisis in 2008. But by the middle of 2022, due to the rise of interest rates and the highest inflation in decades, the demand for PVC is rapidly cooling, and the price is also falling. In 2020, in the first few months of the global outbreak of the COVID-19, the demand for PVC resin used to manufacture pipes, door and window profiles, vinyl wall panels and other...
Overview of global polyvinyl alcohol industry
From the perspective of application industry, polyvinyl alcohol is widely used in packaging, printing, textile, agriculture and other fields. Thanks to the continuous growth of market demand, the production and sales of global polyvinyl alcohol market have shown a rising trend in recent years. In 2021, the global polyvinyl alcohol market output will be about 1.25 million tons, and the overall scale of the industry will gradually stabilize. 1、 Overview of polyvinyl alcohol industry 1. Industry...
A Brief Analysis of China's DOP Industry in 2022
1、 Overview DOP, namely dioctyl phthalate, is an organic ester compound and a commonly used plasticizer. It is mainly used in the processing of PVC resin, chemical fiber resin, acetic acid resin, ABS resin, rubber and other polymers, as well as paint, dye, dispersant, etc. According to different uses, DOP can be mainly divided into general level DOP, electrical level DOP, food level DOP and medical level DOP. 2、 Industrial chain analysis 1. Industrial chain The upstream of DOP industry chain is...
EVA boom continues to increase
In September, EVA (ethylene vinyl acetate copolymer) prices started to rise. On September 6, the ex factory price of EVA in petrochemical enterprises generally increased by 1000~2000 yuan/ton, and the market price continued to rise with an increase of more than 20.5% compared with August. On the one hand, with the improvement of the demand for foaming materials in September, the purchase enthusiasm of the terminal factory has improved, the traders' inventory is low, the spot circulation in the...
Kuraray announced that the global price of polyvinyl butyral (PVB) resin will be raised from October 1
Kuraray announced that it would raise the global price of polyvinyl butyral (PVB) resin from October 1, which is the first time that the product has announced price increases since April this year. According to the data, PVB products have high light transmittance, good flexibility, impact resistance, tensile strength and other properties, and are widely used in the downstream, involving multiple application scenarios such as automobile, photovoltaic, aviation, architecture, light industry,...
Effect of plasticizer content on PVB
Effect of plasticizer content on PVB. PVB, also known as polyvinyl butyral, is a thermoplastic resin. On the market, there are two common types of PVB at present. One is powdered PVB, which can be used in ink and other fields. One is film like PVB, which can be used to make laminated glass or toughened glass. The addition of plasticizer can change the powder PVB into film PVB. PVB film can be produced by adding plasticizer to powdered PVB. So in the production process, does the change of...
Analysis of China's DOP industry in 2022
1、 Overview DOP, namely dioctyl phthalate, is an organic ester compound and a common plasticizer. It is mainly used for the processing of polyvinyl chloride resin, chemical fiber resin, acetic acid resin, ABS resin, rubber and other polymers, as well as paint making, dyes, dispersants and so on. DOP can be divided into general grade DOP, electrical grade DOP, food grade DOP and medical grade DOP according to their different uses. 2、 Industrial chain analysis 1. Industrial chain The upstream of...
