2016-11-25

Zinc oxide—Sunscreen in cosmetics

Zinc oxide is used in sunscreens because it acts as a UV ray reflector, using reflection to resist the two main culprits we know: UVA and UVB. UVB has a wavelength of 280-320nm, and UVA has a wavelength of 320-400nm. Zinc oxide can reflect ultraviolet rays with a wavelength of 280-400nm (some data shows it to be 280-390nm). In any case, this wavelength range is quite long. Combined with titanium dioxide (TitaniumDioxide), they can achieve full protection against UVB and UVA. Zinc oxide

2016-11-17

Zinc oxide function - latex glove additive

Latex gloves are a type of glove made from latex and zinc oxide. Made from natural latex and other fine auxiliaries, latex gloves undergo special surface treatment, making them comfortable to wear. They are widely used in industrial and agricultural production, medical care, and daily life. Latex gloves made from 100% natural latex have high dexterity, are very comfortable to wear, and have high strength. With a low pinhole rate, they have excellent sealing and protective properties. They are widely used in electronics, food, medicine, and optoelectronics industries. Zinc oxide and natural latex are essential additives for latex gloves, and are also used in

2016-11-09

The role of zinc oxide in coatings

The Role of Zinc Oxide in Coatings Zinc oxide is an alkaline compound that reacts with trace amounts of free fatty acids to form zinc soaps, which tend to thicken the paint. It dissolves in inorganic acids or acetic acid. Zinc oxide has a high refractive index and the ability to absorb ultraviolet light. It also has strong coloring power and hiding power, but its color is pure white, it does not chalk, and it has good light and heat resistance. It can form coordination compounds with carboxylate ions in the coating, thereby reducing the sensitivity of the coating to water. Therefore, zinc oxide can improve the weather resistance and anti-chalking ability of the coating, making it suitable for exterior wall coatings. Zinc oxide makes the product coating flexible, firm, waterproof, and ...

2016-10-31

Market Development Status of Zinc Oxide

While zinc oxide isn't a new product, it's an extremely important component in shoe materials, especially in foamed materials. First, let's understand what zinc oxide is. Zinc oxide is an oxide of zinc. It is insoluble in water but soluble in acids and strong alkalis. Zinc oxide is a commonly used chemical additive, widely used in the production of plastics, silicate products, synthetic rubber, lubricating oils, paints and coatings, ointments, adhesives, food, batteries, flame retardants, etc. I. Current Status of the Zinc Oxide Industry: Currently, there are three main production methods for zinc oxide: direct method, impregnation method, and indirect method. 1. Direct Method

2016-10-24

Zinc oxide is the best activator for sulfur vulcanization of natural rubber

Zinc oxide, as a rubber vulcanization activator, is widely used due to its comprehensive functions. To date, zinc oxide remains the best activator for sulfur vulcanization of natural rubber. Zinc oxide, stearic acid, sulfur, and accelerators together constitute the vulcanization system. Zinc oxide and stearic acid form zinc stearate, which can accelerate sulfur vulcanization together with the accelerator. If sulfur is used alone, the vulcanization process will be very long. However, the release of zinc during the production, processing, and recycling of rubber products can have adverse effects on the environment, human health, and especially aquatic organisms. A new trend in rubber industry production is to reduce the zinc content in products and to explore alternatives.

2016-07-30

A Brief Discussion on the Applications of Zinc Powder

Zinc, as a basic metal, plays a significant role in economic life and has a wide range of applications. Zinc powder, as an important form of zinc, is widely used in daily life. The price of zinc powder is relatively lower than that of ordinary zinc, which greatly expands the application space of zinc powder. Zinc powder, pure zinc is a gray metal, with metallic luster, melting point 419.5℃, boiling point 918℃, density 7.13g/cm3. The raw material used to manufacture zinc powder is zinc ingot, with the grade ZN-4 and a purity of 99.5%. Zinc has considerable corrosion resistance in the atmosphere, but it is not corrosion-resistant in acidic and alkaline salts. When zinc is in contact with metals with stronger positive electricity,

2016-07-05

Zinc oxide: A case study of contemporary computational solid-state chemistry research

Abstract: Computational techniques have been extensively applied to the study of the chemical and physical properties of zinc oxide. Atomic-scale and density functional theory methods are used to investigate structural, thermodynamic, surface, and defect properties. This paper investigates the structure and energy of zinc oxide nanoparticles. While bulk properties have been extensively described from both fundamental and applied perspectives due to the physical and chemical properties of zinc oxide, here we focus on computational efforts. Polymorphism and physical properties: Over a wide range of temperatures and pressures, including ambient conditions, zinc oxide exhibits a wurtzite (B4) crystal structure (mineral zincite), with all atoms in tetrahedral coordination.

2016-06-06

Zinc oxide ointment: A "miracle cure" for skin problems

Zinc oxide ointment is an indispensable treasure in the hands of dermatologists, used in the treatment of various skin problems such as dermatitis, trauma, and ulcers. Recently, it seems to have been given more magical "functions." What exactly is zinc oxide? Zinc oxide has been used to aid wound healing since ancient Egypt, as evidenced by the Ebers Papyrus of 1550 BC [1]. Currently, many creams, ointments, and dressings used to treat dermatitis, trauma, and ulcers on the market use zinc oxide as a main ingredient, and it can also be found in sunscreen products. Many baby product companies also use zinc oxide as a

2016-06-01

Analysis of the Development Status and Prospects of the Zinc Oxide Industry

The current situation of China's zinc oxide industry: Zinc oxide is an important branch of inorganic chemical zinc salts. As a basic chemical raw material, zinc oxide has a wide range of applications. With the development of science and technology, many properties of zinc oxide have been re-recognized. The characteristic functions of zinc oxide have been developed and used in new scientific fields and new industries, becoming an indispensable important basic chemical raw material and new material in national economic construction. For example, nano zinc oxide is known as a new material of the 21st century. Zinc oxide is mainly divided into indirect zinc oxide, direct zinc oxide and wet zinc oxide. It is mainly used in rubber electronics, medicine, coatings and other industries.

2016-06-01

Analysis of Marketing Models of Domestic Chemical Enterprises

With the continuous high-speed development of China's economy, the development of domestic chemical enterprises has also entered the fast lane, from the original weakness to strength, and gradually integrated with the international chemical market. Whether it is production technology, production capacity, product quality or independent intellectual property rights, it has been greatly improved and developed. The construction of new projects is booming. This has led to the rapid saturation of the domestic chemical market, and the sales of chemical products have experienced a process from no worries about sales to unsalable products. In the process of extremely fierce market competition, chemical enterprises are faced with the problem of how to win in competition and how to survive in competition. Therefore, domestic