The "First China Auto Parts Entrepreneurs Annual Conference and International Conference on Automotive Electronic Informationization" is being held in Beijing. The conference was sponsored by the China Association of Automobile Engineers and the China Machinery Industry Enterprise Management Association. It aims to explore how China's auto parts industry can grasp Seize the opportunity to accelerate development, enhance market competitiveness and other issues. This way, it earns a lot of money from car owners, and the demand for car accessories stores is strong. Zhang Xiaoyu, chairman of the China Automotive Engineering Society, said that from the perspective of national trends, the size of the auto parts market is gradually expanding. This is reflected not only in the overall increase in market share. And the scale of the group's operations is also expanding. It is expected that within the next two to three years, there will be heavyweight large groups. Lin Lei, general manager of Xinhuaxin Market Research Co., Ltd., believes that the Chinese auto market has entered a period of rapid development. According to the model and expert forecasts, by 2008, the Chinese auto market demand will reach 10.3 million vehicles. Accompanied by the rapid growth of China's domestic auto consumption market, the auto parts industry, as the basis for the development of the auto industry, presents a very strong market demand. Sun Bohuai, chairman of the China National Machinery Industry Enterprise Management Association, told reporters that auto parts account for more than 70% of the total vehicle cost, and the development of auto parts is the cornerstone of the revitalization of the domestic auto industry. He analyzed that since the manufacturing industry is the most intensely cost-competitive sector, foreign automobile and parts manufacturers have turned to developing countries to establish production bases. Therefore, the development opportunities facing the Chinese auto and parts and components industries are enormous. The challenge is severe. Only strong market demand is not enough. Only when this market demand becomes its own market can it be useful. The current parts and components industry in China is not optimistic. “The parts and components industry is facing severe challenges.†Tian Yushi, assistant general manager of FAW Group Corporation and general manager of Fuao Automotive Parts Co., Ltd., has been in the automotive industry for more than 30 years, and was once the head of the purchasing department of FAW Group. The industry has considerable understanding. Difficulties exist in three areas: In the international market, the import tariffs on spare parts have fallen to around 15%. In 2003, the import of auto parts and components was 6.26 billion U.S. dollars, which took up a large amount of market resources; the CKD assembled car production model is blooming all over China and does not require domestic zero. Assembling components will put domestic parts and components companies in awkward position. In the domestic market, energy and upstream raw material prices have risen, and only steel prices have risen by more than 40%. The cost of production of parts and components has increased substantially; the competitive crisis in the vehicle market has been passed directly to parts and components manufacturers, and profit margins have become smaller and smaller, and even have fallen into losses. In terms of institutional mechanisms, the structural defects of state-owned enterprises have made it difficult for parts and components companies to develop. It is difficult to operate the reforms of China-China auto parts and components enterprises. The inertia of the planned economy has made it difficult for state-owned enterprises to operate. Self-strength survival The new "Automobile Industry Policy" has pointed out the right direction for China's auto parts industry. Auto parts companies will participate in the development of the car in the future development work. In the early stages of development, they will be able to develop relevant parts and components based on the models. "We are a high-tech company and invest 1.7 billion U.S. dollars in R&D every year." When interviewed by reporters, Chen Jinya, president of Delphi China Co., Ltd., the world's leading auto parts supplier, emphasized that there are two kinds of auto parts, one is a major road cargo, and anyone can do it, which is easy to produce vicious competition; one is high technology. Unique products have high profits and close customer relationships. Tian Yushi said that China's auto parts do "big" and "strong" countermeasures can be used to guide investment in the tilting of parts and components industries; strict implementation of the new "automotive industry policy" and control of the current fragmented parts market Open local barriers and complete vehicle barriers for professional and systematic integration. Chen Jinya also stressed in particular that "China's spare parts industry really needs orderly competition, we must promote each other, do not promote each other."
Tert-Butyl peroxybenzoate (TBPB) a chemical compound from the group of peresters. It is often used as a radical initiator in polymerization reactions, such as the production of LDPE from ethylene, and for crosslinking, such as for unsaturated polyester resins.
TBPB is a low volatility ,high purity,liquid, aromatic peroxuester.it is effective as medium of a broad spectrum of monomers e.g .styrene.ethylenn,acrylics.it is also used to cure (copolymerzation) unsaturated resins .
TBPB is a clear light yellow liquid, which is little soluble in water but well in many organic solvents such as ethanol or phthalate.
As peroxo compound, TBPB contains about 8.16 wt% of active oxygen and has a self accelerating decomposition temperature (SADT) of about 60 °C. The SADT is the lowest temperature at which self-accelerating decomposition in the transport packaging can occur within a week, and which should not be exceeded while storage or transportation.[2] TBPB should therefore be stored between minimum 10 °C (below solidification) and maximum 50 °C. Dilution with a high-boiling solvent increases the SADT. The half-life of TBPB, in which 50% of the peroxy ester is decomposed, is 10 hours at 104 °C, one hour at 124 °C and one minute at 165 °C. Amines, metal ions, strong acids and bases, as well as strong reducing and oxidizing agents accelerate the decomposition of TBPB even in low concentrations.[ However, TBPB is one of the safest peresters or organic peroxides in handling. The main decomposition products of tert-butyl peroxybenzoate are carbon dioxide, acetone, methane, tert-butanol, benzoic acid and benzene.
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