Monthly Archives: February 2016

Zinc Oxide Uses Pharmaceutical Industries

Zinc Oxide Uses Pharmaceutical Industries

Zinc Oxide Applications

Zinc Oxide Uses Pharmaceutical Industries non-flammable, stable and insoluble in water.Zinc oxide occurs in nature as zincite. However, in most cases zinc oxide is obtained through a technical process from zinc. Zinc is one of the most abundant elements in the Earth’s crust.

Zinc is a natural component and an inherent part of the environment. Exposure to natural background levels of zinc in the biosphere is essential for all living organisms. Zinc fulfills important metabolic functions in humans, animals and plants. Zinc oxide is recognized as a valuable nutritional additive and is widely used in cosmetic, pharmaceutical and medical applications.

The variety of structures of nanometric zinc oxide industrial uses means that ZnO can be classified among new materials with potential applications in many fields of nanotechnology. Zinc oxide can occur in Pharmaceutical, Lubricants & Coatings and many more.

Zinc Oxide Uses

Zinc Oxide Uses

Ceramics
The properties imparted by Zinc Oxide Uses Pharmaceutical Industries to some of the newer applications are as electronic glass, low-melting glass for metal-to-glass seals, thermistors for use as lighting arresters and devitrified glasses of low thermal expansion.

Zinc Oxide imparts a unique combination of properties when used in glass. Zinc Oxide reduces the coefficient of thermal expansion, imparts high brilliance and luster and high stability against deformation under stress. As a replacement flux for the more soluble constituents, it provides a viscosity curve of lower slope. The specific heat is decreased and the conductivity increased by the substitution of Zinc Oxide for BaO and PbO.

Zinc Oxide Uses Pharmaceutical Industries: Pharmaceutical Industry
Zinc Oxide is mainly used in Zinc soap, ointment, dental inlays, food powders etc. Zinc Oxide forms an indispensable element of the production process of this industry.

Zinc Oxide Uses Pharmaceutical Industries: Cosmetics
The optical and biochemical properties of Zinc Oxide and its derivatives impart special features to a variety of cosmetic preparations for care of the hair and skin. In powders and creams it protects the skin by absorbing the ultraviolet sunburn rays; in burn ointments it aids healing.

Simple salts of Zinc provide astringent and skin-conditioning properties to creams, while more complex salts furnish fungistatic properties which contribute to the effectiveness of deodorants, soaps, and antidandruff preparations.

Adhesives, Mastics, Sealants
Zinc Oxide has long been a major constituent of surgical and industrial tapes based on natural or synthetic rubber as it is outstanding in retention of tack during shelf–aging.

Neoprene adhesives are improved by the addition of both Phenolic resins and Zinc compounds (including Zinc Oxide), the reaction products imparting special properties such as high heat resistance, high bond strength, improved peel and shear – stress resistance, and stability to settling of Neoprene solution adhesives.

Zinc Oxide Uses Pharmaceutical Industries: Photocopying
Some of the unique electronic properties of zinc oxide industrial uses are distinctively utilized in the photocopying process. For use in that process, Zinc Oxide is increased in photoconductivity and semiconductor properties by special heat and/or doping treatments (addition of foreign elements). Also, Zinc Oxide is greatly modified in optical properties to increase its absorption of light rays in the visible region. This process known as sensitization, is generally carried out by addition to certain dyes, which are absorbed on the surface of the Zinc Oxide.

Commercial Zinc Oxide for photocopying is generally produced from metallic zinc, rather than ore, to obtain a product of higher purity.

Lubricants
In the research and development of improved lubricants over the past two decades, Zinc Oxide and its derivatives have been intently studied. Zinc Dithiophosphates which are prepared by reacting Zinc Oxide with organic Phosphates, are used in substantial quantities as additives to lubricating oils for automotive engines, to reduce oxidation corrosion and wear. Zinc Oxide has been found to contribute special properties in many types of lubricants, such as extreme-pressure lubricants, seizure-resistant lubricants, and greases. Improved adhesion is another feature which Zinc Oxide contributes.

zinc oxide industrial uses imparts special properties to greases and other variety of lubricants. Such greases are useful in the lubrication of food–processing equipment.

Zinc Oxide Uses Pharmaceutical Industries: Paints
Zinc Oxide in organic coatings provides a broad spectrum of properties: optical, chemical, biochemical and physical. Over the past century the paint industry, in its constant development of improved products, has utilized various aspects of those properties to high degree.

Manufacturers discovered that they could produce coatings of brushing consistency and good suspension properties by incorporation of zinc oxide industrial uses into their pastes. Painters noted that they furnished better hiding power, whiteness, cleaner tints, tint retention, and durability as well as nondarkening in the presence of sulfur fumes. French-process Zinc Oxide has been proved superior to American-process type in fungus resistance and less sulfide staining.

Metal – Protective Coatings
zinc oxide industrial uses (zinc dust) and zinc compounds have long been utilized for their anticorrosive properties in metal-protective coatings, and today they are the basis of such important specially metal primers as Zinc Chromate primers.

zinc oxide industrial uses paints are especially useful as primers for new or weathered galvanised Iron. Such surfaces are difficult to protect because their reactivity with organic coatings leads to brittleness and lack of adhesion. Zinc dust-Zinc Oxide paints however, retain their flexibility and adherence on such surfaces for many years. Zinc dust-Zinc Oxide paints also provide excellent protection to steel structures under normal atmospheric conditions, as well as to steel surfaces in such under-water conditions as dam faces and the interior of fresh water tanks.

Zinc Oxide Uses Pharmaceutical Industries

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From us, you can easily purchase Zinc Oxide Uses Pharmaceutical Industries  at great prices. Place online order and we will dispatch your order through DHL, FedEx, UPS. You can also request for a quote by mailing us at sales@nanoshel.com Contact: +1 302 268 6163 (US and Europe), Contact: +91-9779550077 (India). We invite you to contact us for further information about our company and our capabilities. At Nanoshel, we could be glad to be of service to you. We look forward to your suggestions and feedback.


Zinc Oxide for Rubber Industry Applications

Zinc Oxide for Rubber Industry

Applications of Zinc Oxide For Industrial Rubbers & Plastics

Zinc oxide can be called a multifunctional material thanks to its unique physical and chemical properties. The most important methods of preparation of ZnO divided into metallurgical and chemical methods. The mechanochemical process, controlled precipitation, sol-gel method, solvothermal and hydrothermal method, method using emulsion and microemulsion enviroment and other methods of obtaining zinc oxide were classified as chemical methods.

Zinc oxide, with its unique physical and chemical properties, such as high chemical stability, high electrochemical coupling coefficient, broad range of radiation absorption and high photostability, is a multifunctional material. In materials science, zinc oxide is classified as a semiconductor.

The variety of structures of nanometric zinc oxide means that ZnO can be classified among new materials with potential applications in many fields of nanotechnology. Zinc oxide can occur in Rubber, Plastics, Latex, Pigments and many more.

zinc oxide for rubber industry

zinc oxide for rubber industry

Some of the popular applications of Zinc Oxide for Rubber Industry.

Rubber
Zinc Oxide for Rubber Industry, in its development over the past one hundred years, has utilized an increasing number of the many optical, physical and chemical properties of Zinc Oxide. Zinc Oxide proved the most effective activator to speed up the rate of cure with the new accelerators.

zinc oxide for rubber industry tires carry high loadings of Zinc Oxide for heat conductivity as well as reinforcement since heat-buildup is critical at their higher operating speeds compared with their solid-rubber counterparts.

Activation
In the curing process for natural rubber and most types of synthetic rubbers, the chemical reactivity of Zinc Oxide is utilized to activate the organic accelerator.

The unreacted portion of the Zinc Oxide remains available as a basic reserve to neutralize the sulfur-bearing acidic decomposition products formed during vulcanization. Adequate levels of Zinc Oxide contribute markedly to chemical reinforcement, scorch control, and resistance to heat-aging and compression fatigue.

Acceleration
Zinc Oxide serves as the accelerator with some types of elastomer and the crosslinking, which it induces, takes several forms. With some systems, Zinc Oxide is an effective co-accelerator in the vulcanization process.

Biochemical Activity
Zinc Oxide for Rubber Industry is useful in the preservation of plantation latex as it reacts with the enzyme responsible for the decomposition. The oxide is also a fungistat, inhibiting the growth of such fungi as mold and mildew.

Dielectric Strength
In high-voltage wire and cable insulation, Zinc Oxide improves the resistance to corona effects by its dielectric strength, and at elevated operating temperatures it contributes to maintenance of the physical properties of the rubber compound by neutralization of Acidic decomposition product.

Heat Stabilization
Zinc Oxide similarly retards devulcanization of many types of rubber compounds operating at elevated temperatures.

Latex Gelation
In the production of latex foam rubber products, Zinc Oxide is particularly effective in gelation of the foam with sufficient stability.

Light Stabilization
Zinc Oxide is outstanding among white pigments and extenders for its absorption of ultraviolet rays. Thus, it serves as an effective stabilizer of white and tinted rubber compounds under prolonged exposure to the destructive rays of the sun.

Pigmentation
Through its high brightness, refractive index, and optimum particle size, Zinc Oxide provides a high degree of whiteness and tinting strength for such rubber products as tire sidewalls, sheeting and surgical gloves.

Reinforcement
Zinc Oxide provides reinforcement in natural rubber, and in some synthetic elastomers such as polysulfides and chloroprenes. The degree of reinforcement appears to depend upon a combination of the particle size of the oxide, the finest size being the most effective, and the reactivity of the oxide with the rubber.

zinc oxide for rubber industry such service condition involving rapid flexing or compression, Zinc Oxide also provides heat conduction to more rapidly dissipate the heat and thereby provides lower operating temperatures. In addition, it imparts heat stabilization by reacting with acidic decomposition products.

zinc oxide for rubber industry
In the bonding of rubber to brass, Zinc Oxide reacts with copper oxide on the brass surface to form a tightly adhering Zinc-copper salt.

Tack Retention
One of the unique properties of Zinc Oxide is its ability to retain over many months of shelf –storage the tack of uncured rubber compounds for adhesive tapes.

French process Zinc Oxides impart heat-aging resistance superior to that of American-process Zinc Oxides. The former type, being sulfur-free, has a higher pH and, thus, can neutralize more effectively the acidic decomposition products formed during aging. Moreover, the finer French-process Zinc Oxides prove superior to coarser grades in heat-aging resistance.

Plastics
Zinc compounds can provide a variety of properties in the plastics field. Heat resistance and mechanical strength are imparted to acrylic composites by Zinc Oxide. Zinc Oxide contributes to the formation and cure of epoxide resin. Addition of Zinc Oxide to epoxy resins cured with aliphatic polyamines imparts higher tensile strength and water resistance. Zinc Oxide imparts fire-resistant properties to nylon fibers and moldings. Zinc Oxide is also useful in the preparation of nylon polymers and in increasing their resistance. The formation of polyesters in the presence of Zinc Oxide imparts higher viscosity and other improvements. ZnO reacts with unsaturated polyesters to form higher viscosity and a thixotropic body. The dyeability of polyester fibers is improved by Zinc Oxide. Zinc Oxide mixtures stabilize polyethylene against aging and ultraviolet radiation. Zinc Oxide increases the transparency of poly(chlorofluoroethylene) molding resin. Polyolefin’s are improved in color, tensile strength, and vulcanization properties by addition of Zinc Oxide. Thermal stabilization of PVC is effected by Zinc Oxide. Antistatic, fungistatic and emulsion stability are additional properties imparted to vinyl polymers by Zinc Oxide.

Applications in development for Zinc Oxide-stabilized polypropylene and high-density polyethylene include safety helmets, stadium seating, insulation, pallets, bags, fiber and filament, agricultural and recreational equipment.

zinc oxide for rubber industry

zinc oxide for rubber industry

Contact Us for Nano Products 

From us, you can easily purchase nano products at great prices. Place online order and we will dispatch your order through DHL, FedEx, UPS. You can also request for a quote by mailing us at sales@nanoshel.com Contact: +1 302 268 6163 (US and Europe), Contact: +91-9779550077 (India). We invite you to contact us for further information about our company and our capabilities. At Nanoshel, we could be glad to be of service to you. We look forward to your suggestions and feedback.

Zinc Oxide Battery Food Packaging Materials Silicate Composition Application

Zinc Oxide Battery Food Packaging Materials Silicate Composition Application

Industrial Applications Of Zinc Oxide Nanoparticles

The semiconductor Zinc Oxide Battery has gained substantial interest in the research community in part because of its large exciton binding energy (60meV) which could lead to lasing action based on exciton recombination even above room temperature. Even though research focusing on ZnO goes back many decades, the renewed interest is fueled by availability of high-quality substrates and reports of pp-type conduction and ferromagnetic behavior when doped with transitions metals, both of which remain controversial.While ZnO already has many industrial applications owing to its piezoelectric properties and band gap in the near ultraviolet, its applications to optoelectronic devices has not yet materialized due chiefly to the lack of pp-type epitaxial layers.

Zinc Oxide Battery

Zinc Oxide Battery

Our company enjoys a highly diversified clientele. Some of the popular applications of Zinc Oxide are in the following industries.

Cigarette Filters
Zinc Oxide as a constituent of cigarette filters is effective in removal of selected ingredients from tobacco smoke. A filter consisting of charcoal impregnated with Zinc Oxide and Iron Oxide removes significant amounts of HCN and H2S from tobacco smoke without affecting its flavour.

Sulfur Removal
Zinc Oxide is effective in removal of Sulfur and Sulfur compounds from a variety of fluids and gases, particularly industrial flue gases. Zinc is also effective in removal of H2S from hydrocarbon gases and for desulfurization of H2S and certain other sulfur-containing compounds.

Foods And Food-Packaging Materials
zinc oxide battery and its derivatives contributing special fungi-static and chemical properties to the processing and packaging of various animal and vegetable products.

In the packaging of meat, fish, corn and peas, for examples, Zinc Oxide has long been incorporated into the varnish linings of the metal containers to prevent formation of black Sulfides which discolor the food.

Fire Retardants
zinc oxide battery and its derivatives were used extensively in fire retardants for the military in World War II and those Zinc compounds have since been the subject of extensive research and development for preparation of fire-retardant compositions for a variety of substances.

Solutions for fireproofing textiles contain ZnO, Boric Acid, and Ammonia in various proportions. It deposits water-insoluble Zn Borate on the fibers.

Ferrites
zinc oxide battery continues as an essential ingredient in the “soft” type of ferromagnetic materials for television, radio, and tele-communication applications. In these fields ferrites based on Magnetite, Nickel Oxide and Zinc Oxide are used as elements in many types of electronic devices.

Numerous electronic instruments for the consumer market utilize ferrites to impart specific functions. In portable and car radios, the antenna cores are ferrites designed to provide highly selective tuning. Television picture tubes constitute a major market for ferrites, particularly for use in flyback transformers and deflection yokes. In the communications area, ferrites are extensively used in the filter inductors of telephone circuits to permit precise inductance adjustment for the purpose of separating channels. Magnetic tape for recorders is improved by use of a Magnetite precipitated in the presence of ZnO.

Batteries, Fuel Cells, Photocells
Zinc Oxide is used in Zinc-Carbon dry cells, Zinc-Silver Oxide batteries, Nickel Oxide-Cadmium batteries and even in secondary batteries. In Fuel cells, Zinc Oxide is used as electrode material, cathodic material and as a fuel element. And in Solar Energy Cells, it can act as a photocatalyst. Purification of motorcar exhaust gases is currently the subject of extensive research, and Zinc Oxide is already demonstrating its catalytic properties in some of those programs.

Thermoelements
zinc oxide battery plays an important role in semiconductor ceramic elements for operation at elevated temperatures or High Voltages. Such Thermoelements can be produced to cover a broad range of thermal and electrical properties.

Varistors are composed of semiconductor ZnO modified by other Oxides. Developed for use as lightning arrestors and high-voltage surge arrestors in electric transmission lines, they are based on a unique electronic property of semiconductor ZnO, nonlinear resistance. ZnOvaristors have high-temperature stability and resistance to humidity, electrical load, and current shocks.

Silicate Compositions
zinc oxide battery reacts with aqueous solutions of Silicates, such as Sodium Silicate solutions (commonly known as water glass) to form Zinc Silicate, a waterproof, fireproof refractory material, which is useful as a binder in paints. Such refractory adhesives are used in bonding Asbestos-cement molded products to building structures.

Fungicides
zinc oxide battery and its derivatives contribute effectively to the control of fungi in many different types of applications. Zinc Oxide per se is not a fungicide; rather it is a fungistat, that is, it inhibits the growth of fungi, such as mildew on the surface of exterior house paints. This property is also used to particular advantage in the fortifying of fungicides; Zinc Oxide is added to fungicides to increase their effectiveness in specific applications.

Portland Cement
The beneficial effects of zinc oxide battery additions to Portland cement have long been known -retardation of setting and hardening (to reduce the rate of heat evolution), improvement in whiteness and final strength.

zinc oxide battery

zinc oxide battery

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From us, you can easily purchase nano products at great prices. Place online order and we will dispatch your order through DHL, FedEx, UPS. You can also request for a quote by mailing us at sales@nanoshel.com Contact: +1 302 268 6163 (US and Europe), Contact: +91-9779550077 (India). We invite you to contact us for further information about our company and our capabilities. At Nanoshel, we could be glad to be of service to you. We look forward to your suggestions and feedback.


Application of Graphite Nanoparticles

Application of Graphite Nanoparticles

Graphite Nanoparticles

Graphitic nanomaterials possess excellent mechanical, thermal, and electrical properties, high surface area, excellent dimensional stability, and excellent optical properties. Hence they have attracted great attention due to their promising potential for wide applications such as transistor, battery, supercapacitor, fuel cell, biosensor, composites, and so on. Recent work at our group has shown that it is possible to develop multifunctional polymer-xGnP nanocomposites which can be suitable for the applications requiring enhanced mechanical properties and electrical and thermal conductivity.

Application of Graphite Nanoparticles

Thermal interface materials (TIMs) are of crucial importance in improving and enhancing heat transfer in electronic packages, particularly in high-density electronics at regions of exceedingly high temperatures. Commercial TIMs are generally composed of highly conductive particle fillers such as highly thermally conductive graphite and a matrix so that efficient heat transfer and good compliance of the interface material can be achieved during application. Two types of TIMs are tested based on the hybridisation of graphite nanoplatelets (GNPs) and nanoparticles (NPs). The hybrid materials are fabricated via screen printing process to ensure conformal uniformity of NPs spreading on the GNPs.

Application of Graphite Nanoparticles

Application of Graphite Nanoparticles

Refractory Materials

Due to its high temperature stability and chemical inertness graphite is a good candidate for a refractory material. It is used in the production of refractory bricks and in the production of “Mag-carbon” refractory bricks (Mg-C.) Graphite is also used to manufacture crucibles, ladles and moulds for containing molten metals. Additionally graphite is one of the most common materials used in the production of functional refractories for the continuous casting of steel. In this application graphite flake is mixed with alumina and zirconia and then isostatically pressed to form components such as stopper rods, subentry nozzles and ladle shrouds used in both regulating flow of molten steel and protecting against oxidation. This type of material may also be used as shielding for pyrometers.

In the production of iron, graphite blocks are used to form part of the lining of the blast furnace. Its structural strength at temperature, thermal shock resistance, high thermal conductivity, low thermal expansion and good chemical resistance are of paramount importance in this application.  Refractory bricks for constructing materials of crucible and furnace are made with high volume impregnation of graphite. Graphite is used in metal casting and in the preparation of electrotype in printing industries.

Nuclear industry use of graphite

Application of Graphite Nanoparticles in nuclear industry includes fabrication and lining of nuclear plant, heat moderator and reflectors, thermal column and as secondary shutdown materials. In the quest of alternative energy source, very high temperature reactor (VHRT) keeps the promise of energy supply in the near future. VHRT requires materials having exceptionally high temperature stability and high neutron absorption rate. Active research is going on to produce suitable derivatives of graphite to meet this purpose. High purity electrographite is used in large amounts for the production of moderator rods and reflector components in nuclear reactors.

Application of Graphite Nanoparticles arises from their low absorption of neutrons, high thermal conductivity and their high strength at temperature. Graphite finds widespread use in many areas of nuclear technology based on its excellent m oderator and reflector qualities, which are combi ned almost uniquely with strength and high temperature stability. The function of a m oderator is to slow fast neutrons to thermal v elocities at which fission in Uranium-235 and Uranium-233 are most efficient. The reflector serves to reflect neutrons, which otherwise would escape, back into t he active core region. N u clear grade graphite was developed for fission reactors. Nuclear graphite is any grade of graphite, usually electro-graphite, specifically manufactured for use as a moderator or reflector within nuclear power reactors. Graphite is an important material for the construction of both historical and modern nuclear power reactors as it is one of the purest materials manufactured at industrial scale and it retains its properties, including strength at high temperatures.

Application of Graphite Nanoparticles

Recent activities in the nuclear industry have exhausted the amount of nuclear-grade graphite available for purchase. Consequently, researchers were required to discover or invent alternative supply(s). Within the spectrum of sources of nuclear graphite, each individual type/source tends to behave in an idiosyncratic manner with each type possessing highly specific attributes which differentiates such types from all other types.
The types of graphite fabricated for use as a neutron moderator in nuclear reactors may be considered nuclear graphite. For nuclear mechanics, a neutron moderator is a medium influencing the behavior of fast neutrons.

Mechanical Applications

Application of Graphite Nanoparticles is used widely as an engineering material over a variety of applications. Applications include piston rings, thrust bearings, journal bearings and vanes. Carbon based seals are used in the shafts and fuel pumps of many aircraft jet engines. Natural graphite in this end use mostly goes into carbon raising in molten steel, although it can be used to lubricate the dies used to extrude hot steel. Supplying carbon raisers is very competitive, therefore subject to cut-throat pricing from alternatives such as synthetic graphite powder, petroleum coke, and other forms of carbon. A carbon raiser is added to increase the carbon content of the steel to the specified level.

Electrodes

Application of Graphite Nanoparticles carry the electricity that melts scrap ions and steel (and sometimes direct-reduced ions DRI) in ,electric arc furnaces which are the vast majority of steel furnaces. They are made from petroleum coke after it is mixed with coal tar pitch. They are then extruded and shaped, baked to carbonize the binder (pitch), and finally graphitized by heating it to temperatures approaching 3000 °C, at which the carbon atoms arrange into graphite. They can vary in size up to 11 ft. long and 30 in. in diameter. An increasing proportion of global steel is made using electric arc furnaces, and the electric arc furnace itself is getting more efficient, making more steel per tonne of electrode..

Application of Graphite Nanoparticles

On a much smaller scale, graphite is also used for making electrodes for electrical discharge machining (EDM), commonly used to make plastic injection molds. These electrodes carry the electricity that melts scrap iron and steel (and sometimes direct-reduced iron: DRI) in electric arc furnaces, the vast majority of steel furnaces. They are made from petroleum coke after it is mixed with coal tar pitch, extruded and shaped, then baked to carbonize the binder (pitch), and then graphitized by heating it to temperatures approaching 3000�C, which converts carbon to graphite. They can vary in size up to 11 ft. long and 30 in. in diameter. An increasing proportion of global steel is made using electric arc furnaces, and the electric arc furnace itself is getting more efficient and making more steel per tonne of electrode.

 

Application of Graphite Nanoparticles

Application of Graphite Nanoparticles

Contact Us for Application of Graphite Nanoparticles 

From us, you can easily purchase nano products at great prices. Place online order and we will dispatch your order through DHL, FedEx, UPS. You can also request for a quote by mailing us at sales@nanoshel.com Contact: +1 302 268 6163 (US and Europe), Contact: +91-9779550077 (India). We invite you to contact us for further information about our company and our capabilities. At Nanoshel, we could be glad to be of service to you. We look forward to your suggestions and feedback.