Hubei Sanli Fengxiang Technology Blog

Urea formaldehyde resin (UF) is a transparent thermosetting plastic. In the weak base (ammonia or pyridine) by adding formaldehyde and urea, heating, by condensation reaction, will be synthesized urea formaldehyde resin. Urea formaldehyde mainly used in wood/panel processing industry, as the adhesive for particleboard, plywood, density fiber board, wood furniture, veneer and etc. We can supply  urea formaldehyde plant  and other chemical production equipment, welcome to mail info@slchemtech.com.

There are some main features of  MTBE production technology . 1.Raw material adaptability is strong, can use FCC, ethylene production, isobutane dehydrogenation, olefin isomerization, olefin dehydrogenation, coal and other carbon four raw materials, according to raw materials and product requirements to choose the best technology. 2.Low energy consumption, due to the use of a unique comprehensive utilization of heat technology, energy consumption than the traditional MTBE production technology to reduce more than 20%, compared with the domestic industry technology to reduce more than 10%. 3.Product purity is high, oil-type purity of more than 98%, chemical purity of 99% or more, MSBE ≤ 0.2%, can be used for the preparation of high purity isobutene cleavage. 4.Isobutylene conversion rate is high, ether carbon tetraisobutylene ≤ 0.3%, can be used as methyl ethyl ketone raw materials or selective hydrogenation after the preparation of butene-1 and so on. 5.Environmental pol...

Sec-butyl acetate plant  is equipment for the production of SBAC, sec-butyl acetate's role is very extensive. Sec-butyl acetate can be used as an environmentally friendly solvent for the paint / coating industry, can be used as an oil additive, spice, medicine and component of metal cleaner. We can supply sec-butyl acetate plant and other chemical production equipment, welcome to call+86 510 8512 0985-02.

Pure hydrogen peroxide is a light blue viscous liquid, and is another oxide of hydrogen except for water. Its applications are wide. Generally low concentrations (eg 3%) of hydrogen peroxide mainly used for sterilization and topical medical use, for example, as wound sterilization. The best ratio of blood test: 6% hydrogen peroxide plus 0.005% methylene blue. Hydrogen peroxide is also one of the ingredients of hair dye, also used for the raw materials of synthesis, pharmaceutical, metal surface treatment agent, polymerization initiator and so on. Can also be used as a rocket propellant. There is also an important application of hydrogen peroxide is bleaching, for the higher concentration (more than 10%), is used for textiles, leather, paper, wood manufacturing industry, as bleaching and deodorant. Can be applied to a variety of textile printing and dyeing auxiliaries, fabric pretreatment such as desizing, scouring, bleaching, mercerizing process. We can produce  hydrogen perox...

At present the production of  MTBE production technology  mainly has the following four: 1, mixed bed reactor + azeotropic distillation synthesis MTBE technology 2, adiabatic external circulation reactor + azeotropic distillation synthesis MTBE technology 3, mixed bed reactor + catalytic distillation synthesis MTBE technology 4, adiabatic external circulation reactor + catalytic distillation synthesis MTBE technology We can produce MTBE, can provide MTBE production technology. If you need  MTBE plant , you can contact us. In the production process, there are any questions you can contact us.

Isobutyl acetate is acetic acid and 2-butanol esterification products, it is the colorless transparent liquid at room temperature, and ethanol, ether miscible, slightly soluble in water, flammable, ripe fruit flavor, mainly used as nitrocellulose and paint solvents, as well as chemical reagents, modulation spices. Isobutyl acetate can be used as nitro paint and perchlorethylene paint thinner, can also be used as a solvent, but also as a plastic printing slurry thinner, the pharmaceutical industry, such as extractant. We can produce isobutyl acetate, we have  isobutyl acetate plant , simple operation, high yield, high quality and low price. If you are interested can contact us at any time, we will reply you in the shortest possible time.

1,3-dioxane ring preparation process is concentrated formaldehyde and ethylene glycol with concentrated sulfuric acid as a catalyst in the reactor at 90 ~ 110 ℃ under atmospheric pressure reaction, and then distilled from the top of the distillation column 70 ~ 74 ℃ azeotrope, salted out by sodium chloride, solid alkali drying, re-distillation of the reboil and light bulb after removal of products. If you need to prepare 1,3-dioxetane, you can contact us, we have  1,3-dioxane plant , and easy to operate, safe and reliable.

We can supply  MMA production equipment  and  MMA production technology , our production technology is simple and easy, our MMA plant is also simple to operate.  There are many ways to prepare methyl methacrylate, and today we will briefly introduce a method, the raw material is methyl acetate and formaldehyde, produced polymethyl methacrylate can be used for plexiglass and PMMA production process. This process is characterized by coal-based route, raw materials is easy to obtain, conversion rate is more than 30%, selectivity is more than 90%, according to customer to produce co-production of methyl propionate, methyl acrylate.

Trioxane  refers to any of three isomeric organic compounds composed of a six-membered ring with three carbon atoms and three oxygen atoms, in the industry have a great effect. So what is the role of it? Trioxane can be used as an intermediate for engineering plastics POM and other chemicals, used as a disinfectant. It can also be used as a catalyst in the process of making epoxy resin, bisphenol A. Trioxane is the main raw material of daily cosmetics cold chill and depilatory agent. In the mineralization can also be copper sulfide and iron sulfide minerals inhibitors.

The traditional  1,3-dioxetane production process , get the products from paraformaldehyde and ethylene glycol reaction. Paraformaldehyde and ethylene glycol were fed into a reaction kettle at a molar ratio of 1: 1.25, and subjected to atmospheric pressure reaction at 90 to 110°C with a strong acid macroporous cation exchange resin as a catalyst. Then, 70 to 74℃ azeotropes were distilled off from the top of the distillation column, after salting out and dehydrated over anhydrous calcium chloride, followed by distillation and purification, extract 71 ~ 74℃ fractions, make the water off to 200 ppm with molecular sieve, we can get the product.    

The dioxetane is the second monomer of the paraformaldehyde and is copolymerized with the proportion of the paraformaldehyde at a ratio of 95: 5. At the same time, the dioxane is also a good organic solvent and can dissolve the oil, dye, cellulose derivative, a variety of polymers, used for the production of coatings, adhesives; can also be trichloroethane stabilizer, photographic liquid, developer components. In recent years, the application of dioxane in various fields has been expanding. We have  1,3-dioxolane plant  and supply  1,3-dioxolane production process .

PPC is used on its own and in a variety of end-use cleaning and degreasing formulations due to its versatility, effectiveness in reducing surface tension, and ability to improve wetting and soil removal functionality.  Propylene carbonate  can be used as VOC exempt solvent in paints and coatings as a tail solvent. PPC is a slow evaporating polar solvent. Alone or combined with other solvents, Propylene Carbonate is effective as a hard surface cleaner, polymer/resin cleaner, fiberglass, polyester and polyurethane cleaner. Propylene Carbonate can be used for derivative chemistries such as carbamate formation, hydroxyalkyation, transesterification and others. Now the demand for propylene carbonate is getting higher and higher,  PPC production equipment  is also demanding higher and higher, we can supply high-quality  PPC plant .    

Alkyl Phenol are important raw materials and intermediates in the field of fine chemicals, which are obtained by alkylation of phenol and olefins. It can be used for the production of non-ionic surfactants, preservatives, mineral flotation agents, resin modifiers, textile auxiliaries and oil emulsifier. Alkylphenol production process  use the catalyst mainly ion exchange resin, boron trifluoride, activated clay. The mechanism of the alkylation of phenol with olefins is provided by the acidic catalyst H +, H + transferred to the olefin fraction, the formation of tertiary carbon ions and phenol reaction alkyl phenol, and the release of H +, and then continue with the role of olefins. In the reaction, the alkyl group enters the ortho, para position, and the ortho-alkyl group can be transferred to the para position under the action of the acidic catalyst, so the main product is the para-alkylphenol

The process is a step of using the overall process of  methyl acetate  downstream operation. The process comprises continuously feeding methanol and acetic acid into an esterification reactor, the reactor contains esterification catalyst and azeotrope acetic acid that is slightly soluble in water and forms a minimum azeotrope. The product mainly comprises methyl acetate, unreacted methanol, an azeotrope and water, and the product is distilled in a distillation column to include the overhead fraction of methyl acetate. The overhead fraction was cooled portion of the overhead is returned to the column as a primary reflux, the remaining methyl acetate can be passed through or without further purification to the downstream stream without further purification, liquid containing water, methyl acetate and an azeotrope, and a little methanol was removed from the middle of the column.

We can supply MMA production equipment and  MMA production technology , our production technology is simple and easy, our  MMA plant  is also simple to operate. In addition, we also understand some of the production methods, let us look at. Raw materials are methyl acetate, formaldehyde. There are some process characteristics, the raw material is derived from coal and easy-to-get; The raw material is derived from coal and easy-to-get; The conversion rate for single pass is over 30%, and the selectivity is over 90%. In the final products, the ratio between methyl propionate and methyl acrylate can be adjusted according to the customer demand.

Sec-butyl acetate  domestic market in this month showed slow increase firmed. About the export market, some market participants said the recent domestic prices go up once limited even lower disk access volume.  However, the performance of the export market has been on an edge. Some factories do export business, said the recent foreign MTBE market ample supply, coupled with poor environment, the majority of low-priced foreign markets MTBE supply entering the market with oil. So sec-butyl acetate and MTBE abroad for oil, the basic terms, and lower prices of MTBE, the sec-butyl acetate hindered foreign market sales shipments. Then the domestic sec-butyl acetate, said the recent bid prices are slightly low, showing that the recent weak trend in exports. 

Propylene carbonate  is a colorless, odorless, flammable liquid. Soluble in water and carbon tetrachloride. The absorption of carbon dioxide is very strong, nature is stable.  Widely used in the industry, our company has specialized production equipment -  PPC Plant . Can be used for oily solvents, spinning solvents, olefins, aromatics extractants, carbon dioxide absorbers, water-soluble dyes and pigments dispersant. In addition, it can be used as agricultural film, disposable food package material, disposable dinnerware material, degradable foaming material and degradable melt adhesive.

We can produce and sell UHMWPE Plant and  UHMWPE technology , the role of  UHMWPE Plant  is also great, let's talk about it. We can use UHMWPE fiber to produce bullet-proof suits, bullet-proof armor and other defense supplies and ship cables. UMWMWPE sheet can be used as silo, funnel, chute and other lining materials, UHMW PE profiles can be used in the mining industry, general machinery industry, vehicle manufacturing, transportation, paper, textile, catering, light industry, ceramics, sports and entertainment. Another UHMWPE film can be used for filtration.

Hydrogen peroxide technology  consists of hydrogen peroxide device key equipment and internal components technology, full acid hydrogen peroxide production of new technology, new compound working fluid system, high activity selective catalyst system and so on. New technology can meet the caprolactam, propylene oxide and other green chemical synthesis process on the demand for hydrogen peroxide,  hydrogen peroxide single device capacity expansion to 400,000 tons / year. We can offer  hydrogen peroxide plant  and hydrogen peroxide technology.

Many people do not understand  dioxolane , we as a chemical manufacturer, we can briefly introduce the application of dioxolane. Its application is divided into three areas. 1.as the second monomer of polyoxymethylene 2.as organic solvent to dissolve greasem fuel, celluose, and various of polymers 3.as the stabilizer of methyl chloroform, the component of photosensitiser/developer

1. As a coating applied to resin coatings, cellulose coatings, chlorinated rubber coatings and varnishes, especially high-solids coatings. 2. As raw material for synthetic antioxidant 4020 3. wax agent in the lubricating oil refining 4. Rare earth metal, tantalum and niobium salt extractant 5. Pesticide extractant We can provide MIBK and the corresponding production equipment,  MIBK plant  and  MIBK production technology .

We can provide  MEG production equipment  and  MEG  production technology . 1.MEG can be used to producing polyester fibers, antifreeze, unsaturated polyester resins, lubricants, plasticizers, nonionic surfactants and explosives. 2.Can also be used for coatings, photographic developer, brake fluid and ink and other industries. 3.Can be used as a solvent and medium for ammonium perborate. 4.Also used in the production of special solvents such as glycol ether.

Methyl methacrylate  is colorless transparent liquid at room temperature, easily soluble in hot water, ethanol and most organic solvents. Easy polymerization. The vapor can form an explosive mixture with air. With moderate toxicity, have a strong irritation for the skin and mucous membranes, but no carcinogenesis. So what is the use of it? 1. as monomer to synthesize PMMA  2. is used as surface coating   3. to synthesie the anti-impact modifying agent ACF and MBS for PVC plastics 4. to synthesize higher grade metacrylic acid ester, as the second moner for acrylic fibers, acrylic acid adhesives, unsaturated polyester crosslinking agent, lubricant oil and etc.

We are supplier of chemical production equipment, we can offer  crude phenol purification technology , and corresponding equipment, if you need to be able to contact us. Phenol, m/p-cresol, o-cresol and xylenol obtained from crude phenol separation are very important chemical raw materials, are widely used in agricultural chemicals, medicines, fragrance, dyes, antioxidants, polymerization inhibitor, rubber additives, coating and etc. 

In recent years, the distillation has been extended from its original field of chemical engineering to fields such as biotechnology, bioengineering, environmental engineering, biofuel and bioenergy engineering.  Distillation purification technology  is also widely used. 1. distillation technology research and development and testing 2. tailored package solutions in chemical separation technology 3. process package in chemical separation  4. new distillation energy-saving technology 5. process design of separation equipment in refinery chemical 6. process calculation of distillation columns  7. technical revamping of distillation process 8. trouble shooting of distillation devices