Search

The article offers information about the Polysulfone engineering plastics, which have properties like heat resistance, creep resistance, dimensional stability, shock resistance, chemical resistance, no toxicity and flame resistance. It mentions the use of Polysulfone in the areas of electronics, electrical appliances and machineries.

The article investigates the optical properties and thickness of natural silicon dioxide thin films grown in silicon substrates with a variable spectroscopic ellipsometry. By selecting the various angle of incidence and wavelength ranges, the properties and thickness of silicon dioxide film are studied. The result indicates that the refractive index of silicon dioxide is static in value.

The article discusses the condition of the nitroguanidine industry in China as of November 2019. Nitroguanidine producers concentrated in Ningxia and Jiangsu accounted for 70 percent of total domestic capacity, including Nantong Tendenci Chemical, Ningxia Soochow Agrochemical and Ningxia Beilite Chemical. Nitroguanidine is used to manufacture products such as gunpowder, pesticides and medicines.

The article discusses the initiatives of enterprises in China's polyvinyl chloride (PVC) market to cut costs in the midst of constant decline of the price of PVC in 2014. Enterprises increase investment and explore new processes, such as the introduction of foreign technology an ethylene-based PVC unit by Qingdao Haijing Chemical (Group) Co. Ltd. Shandong Hengtong Chemical Co. Ltd. uses methanol to produce PVC while Xinjiang Tianye (Group) Co. Ltd. improves its production processes.

The article discusses the condition of the butyl acetate industry in China as of August 2014. It mentions the extensive applications of butyl acetate as a raw materials in chemical processing, pharmaceutical industry and leather tanning. It provides an overview of the foreign trade, production and consumption. The need for the industry to cope with the market changes and to further develop high-end products to compete effectively in the international market is also emphasized.

The article discusses the impact of technological innovation in the chemical industry. It refers to the production of polyvinylidene fluoride (PVDF) through the polymerization of vinylidene fluoride monomer. It notes the rapid growth and the insufficient range of high end products in the PVDF sector in China.

The article focuses on the fast expansion of production capacity of methionine (Met) in China. According to statistics, the country's total Met production capacity in 2010 was about 13,600 t/a, a Met output of 3,400 tons, and a Met apparent consumption of about 110,000 tons. Thus, its level of dependence on imports has reached 98.1%.

The article discusses the business condition of polylactic acid in China. It notes that polylactic acid is a biodegradable plastic that has been produced through a two-step process with renewable substances such as corn starch as its major raw materials. It says that the country's capacity to make polylactic acid has reached to approximately 12,000 tons per acre (t/a) as of April 2010.

The article reports on the severe competition of the fatty acid market in China. It outlines the three groups of the fatty acid manufacturers and mentions the leading players in the market such as Yihai Kerry Oleochemical Co. Ltd., Rugao Shuangma Chemical Co. Ltd., and Dongma Oils & Fats Co. Ltd. It also notes that the development of the fatty acid sector was driven by the improving demand in both domestic and international customers.