WSD titanium dioxide anatase increased demand

Production volume of titanium dioxide, on the one hand there are plenty of low-end products are exported, while also importing high-end titanium dioxide. On the other hand, rutile titanium dioxide, for example, due to the low  PVC plasticizer prices in the domestic market, domestic products are mainly supplied to overseas markets in order to earn the difference, resulting in a tight supply in the domestic market. It also gives the production paint caused some distress, deputy general manager of the East Asian elephant paints ACCELERATED told reporters: this year the domestic prices of rutile titanium dioxide continuously, titanium dioxide anatase and was out of stock, had business to take the cash to the east Titanium good order, but the  PVC heat stabilizer other said the spot had finished off, and orders have to queue.
With the development of the coatings industry, titanium dioxide coating requirements will maintain double-digit growth in demand for downstream users of titanium dioxide are increasing every year, especially in the long-term Zinc stearate  high-grade rutile titanium dioxide balance in supply or demand of the state, titanium dioxide rutile titanium dioxide anatase cause prices to rise year after year, driven by high profits in the domestic titanium dioxide amplification or new projects have been started, the operating rate is also rising, leading to the rapid expansion of production capacity, actual rutile titanium dioxide production along the way up. Statistics show that: China’s consumption of titanium dioxide coatings industry in 2010 will reach 950,000 tons, in 2011 demand will more than one million tons, nearly 1.1 million tons. 2010, China’s titanium dioxide production reached 1,474,286 tons, representing an increase of 40.9% in 2009. Expected 2011 production could reach 125-150 million tons, but can not meet the demand for high-end quality paint industry rutile titanium dioxide.

PVC plasticizer widely used physical

It can be used instead of the original plastic additives dibutyl, dioctyl, the price is much lower than similar products. It is widely used in PVC plastics, rubber, sealing strips, car tires, footwear, cables, plastic sheeting, granulation, waterproofing membrane, polyurethane waterproof coating, leather, plate, sheet, PVC hoses, shoe soles materials, rubber boots, etc., is an environmentally friendly green rubber industry plasticizer.
Rubber PVC plasticizer that can be applied to certain substances in the rubber, the rubber can make the interaction between the  Chrolinated polyethylene molecules is reduced, thereby reducing the glass transition temperature of the rubber, rubber-Sik plasticity, fluidity, easy rolling, extrusion molding, etc. operations, while also Some vulcanized rubber to improve mechanical properties such as hardness and reduced modulus, high elasticity and gives lower heat, cold, etc. improve.
Rubber PVC plasticizer can be used for physical and chemical methods. Including chemical plasticizing the plasticized masticated masticated rubber processing technology are, at the time of plasticized synthetic rubber in the rubber through chemical reaction the introduction of the flexible molecular chain structure of the molecule can be increased to achieve the purpose of the plasticized . Not because of the chemical plasticized material from the plasticizing effect of volatile or precipitates  Stabilizers for pipe lose its role plasticizing effect for a long time and therefore more attention. Physical plasticizing additional material refers to a method to achieve the purpose of plasticizing the purpose of said plasticized usually refers to the physical plasticized physical plasticizing substances known to soften the external environmental plasticizers.
Rubber softening environmental plasticizers usually divided according to their polarity and use softeners and environmentally friendly plasticizer. Derived from Metallic stearate  natural substances, called for a non-polar rubber softener; mainly used polar synthetic rubber or plastic material called environmentally friendly plasticizer. Currently the industry collectively environmental plasticizers.

rate of addition of titanium dioxide anatase control

titanium dioxide anatase opacity to meet the objectives and to minimize cost, requires precise control of the addition rate of titanium dioxide. Mills are moving online monitoring using feedback control loop development. Titanium dioxide is  Plastic impact modifier controlled by the flow line opacity. Ingredients for a very fast response time to changes in the lower opacity fluctuations, thus reducing the amount of the pigment used per ton of paper. Problems which need to be Calcium stearate  considered online product opacity and opacity variations. You can usually correct this bias, or adjust the target line. Other mills there is a non-normal operation of the test strip of opaque elements, and the corresponding adjustment of the flow of paint, this technique is very effective.

titanium dioxide anatase accurate calibration of flow measurement equipment is critical. There have been reports that a paper mill, on a machine using an excessive amount of titanium dioxide in the entire system does not stearic acid  bring any other changes. But the survey found a flowmeter failure. Therefore, we must fully consider the use of time flowmeter and ensure the accuracy of the validation. Currently in commonly used in the paper industry is a magnetic flow meter and density / mass flowmeter.
Another key aspect is the addition rate of the flow control valve, the size must be selected to suit the required flow rate. The valve should operate within the range of nearly 50%. If the valve is opened too big or too small, will affect the control accuracy. Control valve seat require regular maintenance, because they will wear. When the control valve is closed if the flow is still present, it shows the seat definitely worn out.

titanium dioxide anatase could trigger an environmental crisis

Nano-titanium dioxide, also known as titanium dioxide. Because of the high refractive index, superior absorption ability and excellent UV sterilization, deodorization, and antifouling properties, titanium dioxide anatase is often regarded as a photocatalyst and environmentally friendly additives and a plurality  PVC stabilizer worldwide Widely used. As for skin care products, food, white paint and other consumer goods and household production, the annual production capacity of up to millions of tons, and showed a rising trend.
Proved by experiments, titanium dioxide anatase atmosphere rich in nitrogen and oxygen can be formed on the surface of nano titanium dioxide photocatalytic reaction by nitrates and combined to form a mechanism to clarify the Metal stearate  theoretical calculation and analysis of nitrate. Excessive nitrates discharged into water bodies, the body will produce toxic, such as lead children “blue baby syndrome” can cause eutrophication and cyanobacteria outbreak, resulting in environmental pollution problems.
Photocatalytic formation of nitrate found in the photocatalytic reaction, remind people may have underestimated the potential environmental risks of extensive use of titanium dioxide. The chemical reaction on the one hand may Stearates  exacerbate the increasingly serious problem of nitrogen pollution, but it also provides a mild conditions and low cost method of producing nitrates new.

The main structure of introduced organic pigments

Pigments come from the chemical composition can be divided into inorganic and organic pigments into two categories, for its source can be divided into natural pigments and synthetic pigments. Natural mineral pigments sources, such as : cinnabar, clay , realgar , malachite green and heavy calcium carbonate pigment folk painting , wollastonite, barite powder , talc, mica, kaolin and so on. Of biological origin, such as from animals : cochineal , natural scale powder ; from plants are: Garcinia , alizarin red , indigo . Synthesized by the synthetic pigment , such as titanium dioxide , lithopone , lead, chrome yellow , iron blue inorganic pigments , as well as Big Pink , even yellow, phthalocyanine blue, quinacridone organic pigments. Functional pigment classified as anti-rust pigments, magnetic pigments, luminescent pigments, pearlescent pigments, conductive pigments. With color-coded , it is convenient to use the method . So pigments can be divided into white, yellow , red, blue , green, brown, purple, black , regardless of their origin or chemical composition. The famous ” Colour Index ” (ColorIndex) method is used to color classification : yellow as the pigment into the pigment (PY), Pigment Orange (PO), Pigment Red (PR), Pigment Violet (PV), Pigment Blue (PB) , pigment Green (PG), pigment Brown (PBr), pigment black (PBk), pigment White (PW), metallic paint (PM) and other ten categories , the same number of color pigments are arranged in the order , such as titanium dioxide as the PW- 6 lithopone PW-5, lead chrome yellow PY-34, quinacridone PR-207, red iron oxide PR-101, phthalocyanine Blue PB-15 and the like. To find the chemical composition, the structure has another number, such as titanium dioxide PW-6C.I.77891, phthalocyanine blue is PB-15C.I.74160, manufacturers can make the pigment and the pigment listed users to identify the chemical composition and structure . So are widely used in the international import and export methyl tin stabilizer  trade paint , paint some domestic manufacturers also use the international classification standards of this pigment. China ‘s national standard paint GB/T3182-1995, also uses color-coded . Each pigment colors are a symbol , such as white as BA, red for HO, yellow for the HU …… combined with the chemical structure oxidized PE WAX  of the pigment composition code and serial models, such as rutile titanium dioxide BA-01-03, chrome yellow HU-02-02, red iron oxide HO-01-01, lithopone BA-11-01, toluidine red HO-02-01, BGS phthalocyanine blue LA-61-02 and so on .
The pigment may be contained in the compound according to the classification categories : inorganic pigments can be broken down  titanium dioxide anatase as oxides, chromates, sulfates, silicates , borates, molybdates, phosphates, vanadates , ferricyanates , hydroxides, sulfides , metal, etc. ; chemical structure of organic compounds can be classified into pigment azo pigments, phthalocyanine pigments, anthraquinone , indigoid , quinacridone , dioxazine pigments polycyclic aryl methane pigments and the like.
From the perspective of manufacturing can be categorized into the titanium pigment , iron pigment , chrome pigment, lead-based pigments, zinc-based pigment, a metallic pigment , organic synthetic pigments , this classification method has practical significance , a system can often on behalf of a professional production of the pigment industry .
From the application point of view can be classified into paint pigment , ink pigment , plastic pigment , rubber paint , ceramics and enamel paint , pharmaceutical cosmetics pigments, pigment , etc. Fine . Various special pigments have some unique properties to meet the requirements of the application . Pigment production plant can be targeted to professional users recommended a series of paint products.

Industrial Technology Development organic pigments and other industrial technology as Stabilizers for pipe

Organic Pigments Industrial Technology Development and other industrial technologies, expanding its field of application, higher demands, prompting the development of related technology to the deeper direction. Organic pigments its requirements can be summarized as follows: ① gentrification product that satisfies the metal coating durability, weather fastness, heat resistance, solvent resistance, and resistance to migration performance requirements; ② organic pigments formulation of develop special products with special application performance, such as water, oil, easily dispersible, high transparency, heat resistance, excellent resistance to migration of new special formulations, with high purity, crystalline form specific special features of organic pigment.
organic pigments application sectors required to promote rapid development of organic pigment industry technology, from classical organic synthesis reaction unit (e.g., halogenation, nitration, reduction, condensation, diazotization, coupling reaction), filtered and separated, dried, and gradually penetrate the pulverizing process multi-disciplinary fields such as solid state physics chemistry, morphology, powder surface chemistry, interfacial chemistry, solid solution and crystal chemistry, polymer chemistry and powder dispersion technology. Which highlights the research focus for the development of new varieties of structural Pigments, colored crystal particles surface modification treatment technology, efficient pigment dispersion technology, organic pigments and processing technology commercialization application performance testing and evaluation, etc.
(1) The purpose of the development of new  varieties of the Stabilizers for pipe  chemical structure of the pigment is pigment improved durability, thermal stability, resistance to weather fastness, solvent stability and resistance to migration performance; bright shade, high tinting strength of yellow, orange, red, purple and brown varieties with superior performance to meet Dacron blue, copper phthalocyanine green pigment to match the requirements. The main route of synthesis of novel heterocyclic structure of the pigment has a good planarity of the molecule. Symmetry, with a specific substituent, changing the molecular polarity, can form intermolecular hydrogen bonds, to improve the heat stability and resistance to migration. organic pigments PVC flame retardant  durability (light resistance, weather fastness, heat stability, solvent resistance and migration resistance, etc.) of the level of classification, grade (high performance) or an organic pigment HOP application only has excellent fastness properties, and value-added products, high. Undoubtedly increasing grade organic pigment products, to meet the application domain-specific formulations, performance requirements, will be an important trend in the future.

organic pigments minerals magnetite classification

Classification of various iron minerals magnetite their mineral composition, can be divided into four categories: magnetite, hematite, limonite and siderite. Because of their chemical composition, crystal structure  PVC lubricants and generation of the different geological conditions, iron ore having various different external morphology and physical properties. (A) mineral magnetite iron mainly magnetite, of the formula Fe3O4, in which FeO = 31%, Fe2O3 = 69%, the theoretical iron content of 72.4%. This ore containing TiO2 and V2O5 sometimes complex combination of ore, called magnetite or titanium vanadium titanium magnetite. In natural pure magnetite ore rarely encountered, often due to the oxidation of the surface so that part of magnetite oxidation into semi martite and martite. Martite is called magnetite (Fe3O4) is oxidized to hematite (Fe2O3), magnetite, but it still retains the original shape, so called martite. Ferromagnetic magnetite crystals often into octahedron, a few rhombic dodecahedron. Into dense aggregates often massive, black  chromium oxide color streak iron, semi-metallic luster, the relative density of 4.9 to 5.2, hardness 5.5 to 6, no cleavage, mainly gangue of quartz and silicate. Reducing poor, generally contain harmful impurities higher sulfur and phosphorus. (2) anhydrous hematite hematite iron oxide, of the formula Fe2O3, the theoretical iron content of 70%. This mineral in nature, often forming a huge deposit, the principal ore mined from the burial and, it is industrial production.
Hematite iron content is generally 50% to 60%, sulfur and phosphorus containing harmful impurities less, better reduction than magnetite, therefore, hematite iron is a relatively fine material. Hematite with native, but also wild, renewable hematite after magnetite oxidation after losing magnetism, but still maintains the illusion of a crystalline form of Chrolinated polyethylene  magnetite hematite in martite often contain Some residual magnetite. Sometimes also contains some hematite hematite weathering products, such as limonite (2Fe2O3 · 3H2O). Hematite has a semi-metallic luster, crystalline hardness of 5.5 to 6 persons, earthy hematite low hardness, no cleavage, the relative density of 4.9 to 5.3, only weakly magnetic, silicate gangue.

Some organic pigments reason analysis

More simply refers to the diffusion capacity of the toner , i.e., the ability of its original color intensity of a pigment is mixed with a reference color after another presentation . Other colors are usually white benchmarks to measure their color tinting strength . Coloring power is one of the main properties of the pigment.
Tinting strength pigment strength
The main absorption and reflection of light is determined by the degree of the toner itself , the greater the absorption capacity, the stronger coloring power .
The particle size of the toner dispersion and coloring power of the pigment is related.
In the same color , the color strength of organic pigments are generally stronger than inorganic pigments such as Ching Lin , rose red , crimson , and scarlet , etc. Some colors are too strong tinting strength strong bleeding , poor stability fatal shortcomings.
When multi- color painting as an underlying cause pan- color , it is difficult to be completely covered, so it is best to avoid using these colors, a last resort should be carefully controlled , with the deployment of such a color composite color should be added in small amounts reconcile uniform, and then gradually increase the dosage.
Edit this paragraph light force
Li also called Fast light or light resistance force , to maintain the original color of the pigment is the tolerance in the sunlight in the ultraviolet irradiation , in general inorganic pigments will darken gray hair under the action of  PVC plasticizer light, then fades organic pigments fade , but the total force up to see the light , the superior general of inorganic pigments organic pigments.
Light force is an important indicator of the quality of the pigment identification
Test light force
There are special xenon light tester can simulate sunlight exposure can greatly reduce test time .
Light power level
By light fastness standards are divided into 1-8 .
In general , most organic pigments are not light , the mineral pigment is  Polyethylene wax light , such as the deep red Sin will gradually fade in the light, and yellowish brown , red soil and quality ultramarine was enduring.
In addition , between the pigment must be compatible with each other , and some will be changed because of a chemical reaction after the pigment hue reconcile ; There will penetrate the other colors on the color cover , causing trouble.
Oil paint raw materials used in the production of color lakes rose, violet and pink are all very poor light pigment force should be avoided .
Other categories except red cadmium red and vermilion , we will also have a noticeable fading phenomena such as adding white to dilute .
In addition, the role of the oil , too much oil can cause yellowing of darker hue , these are one pack stabilizer  what we should try to avoid.

Organic pigments green paint identification method

Now paint on the market can be said to be varied, to judge whether it is  Plastic impact modifier truly green paint coatings, we need to pay attention to the following aspects of a country depends on the paint meets the mandatory standards , whether by the China Environmental Labeling certification. Second, we must look at the quality of products qualified inspection report , especially on the VOC content of the inspection report . VOC is volatile hazardous substances referred to when the room reaches a certain concentration VOC content , people will feel headache, nausea , vomiting , fatigue and other symptoms will be severe coma , and will hurt the liver , kidneys and nervous system. National standards , VOC limit of no more than 200 grams per liter , preferably 100 g or less  Calcium stearate per liter of coating , coating environmental health really close to zero . Third, pay attention to the brand at the time of purchase, the best -known large enterprises selected products . Also observe the presence or absence of iron the seams rust, leakage ; logo attention on drums are complete ; imported products depends on whether the Chinese instructions.

Increasing the amount of iron oxide pigment

At present, some new color in the color brick cement brick production process  Chrolinated polyethylene often encounter fade, color varies, appeared brick surface, “frost” and so on, give colored brick, tile manufacturers resulted in the economy, the quality of credit losses on the various causes of these phenomena is the largest consumer of iron oxide pigments and coatings sector is the construction industry. Changes in demand and the rise and fall of these two industries directly controlled consumption situation in the region. In recent years, only for color iron mortar over 7000 tons per year. The amount of iron oxide pigments in the construction industry with the rapid development of the industry is also growing about synthetic iron oxide 40,000 ~ 50,000 tons annual  Metallic stearate consumption. American iron oxide is mainly used in the building materials sector concrete paving blocks (about 15% to 20%) with a large iron red, iron oxide yellow, iron brown, iron black colored concrete products manufacturing. For housing construction, iron brown, black iron is the most popular building material in China colorants. In short, the foreign iron consumer market, whether it is an existing market or potential market, the main demand of construction materials are being affected by the color control.