From the start of the industry development in 2002 to 87 projects by the end of 2007, to the current 109 projects; from the initial single harness production to the current more than 70 types of vehicles for the complete, Fushan auto parts industry has a rapid development momentum. Perfect interpretation of the strong, strong, stronger and stronger "Matthew effect." In recent years, Fushan District of Yantai City has been actively practicing the scientific concept of development. While expanding the scale of auto parts and components, it has continuously improved the level and level of industrial development. Industrial benefits have become the “leader†of the industrial economy. At present, the value-added products and profits and taxes of the advanced manufacturing industry led by auto parts and components account for more than 70% of the above-scale industries in the region. Relying on the base to seize the "highlands." Perfect supporting facilities for the park is an effective vehicle for the rise of the auto parts industry in Fushan. In order to meet the high standards required by foreign companies for supporting industries, they focus on the development and needs of enterprises, speed up the construction of supporting industries, increase the planning and layout of featured industrial parks, and create cluster development advantages. Invested more than 300 million yuan in the planning and construction of the auto parts industrial park in the high-tech zones, and specifically planned and constructed the Shanghai GM Dongyue matching industrial park in the industrial park to attract matching enterprises to settle in. The introduction of the world's top 500 companies, auto parts giant Delphi Pike, in the high-tech zone invested 35 million US dollars to establish the province's first electrical system manufacturing base. Established the first intellectual property information center in the automobile and parts industry in China—Shandong Auto Parts Intellectual Property Information Center to improve the R&D and independent innovation capabilities of parts and components companies. The good planning and layout of the Fushan auto parts industry will be even more powerful. It has been recognized by the Ministry of Science and Technology as the third “National Torch Plan Auto Parts Industry Base†after Shanghai and Wuxi, and has become “the top ten industrial industrial clusters in the provinceâ€. Relying on the leading to lengthen the "chain." They attach great importance to the leading role of leading companies, and give priority to supporting and nurturing large projects that have strong ability to drive, and attract more parts and components industry projects. With the influence of the GM Dongyue Vehicle, Fukuyama took the lead in introducing an automotive transmission project with a total investment of 1.5 billion yuan, and stepped up efforts to track and support it so that it could be put into production soon. One stone sparked thousands of waves, more than 30 brand companies and high-level industrial related projects such as Jielinda gearbox investing 500 million yuan, Delphi Corporation, a world-famous auto parts company, and SL Group, a well-known auto parts company in South Korea, all followed suit. Jin, has settled in Fukuyama. With the goal of supporting complete vehicles, according to the needs of leading enterprises, targeting fault projects and leading projects to implement industrial investment, scientifically introducing different types of auto parts and components, the supporting system construction is improving day by day, and the number of auto parts industry is increasing, and the level is increasing. The degree of aggregation has been increasing. In recent years, the automobile steering wheel project with a total investment of US$20 million has been mainly used by South Korea’s Hyundai, Daewoo, U.S. General Motors, Delphi, and Dongyue Automobile of the Development Zone to produce automobile steering wheels, airbags, and related parts and components, filling the province’s production and operation in the industry. Blankness has grown the strength of Fukuyama's auto parts industry. At present, 72 auto parts projects in the area have been completed and put into production, with more than 70 types, forming a cluster of four major auto parts and components of transmissions, wiring harnesses, stampings, and headlights, and a complete supporting system for complete vehicles. Relying on services at one stroke and win-win. The rapid development of the auto parts industry in Fushan is inseparable from the first-class logistics system and high-level talent delivery system. In order to further improve the industrial services, they used the radiation from leading industries to introduce the Yantai Zhonglian Steel Logistics Park with a total investment of 700 million yuan and the world’s top 500 Yantai Baojing Steel Plate Processing and Distribution Center with a total investment of 500 million yuan, and 300 million yuan. The logistics projects of North Auto Parts, 100 million yuan of SAIC Automobile Logistics, and Shanghai Baosteel Steel Distribution Center not only solved the biggest problem of supporting services for enterprises, but also formed new industries and achieved a win-win situation. At present, Fukuyama's modern logistics project has reached 12 projects, of which 9 have been completed and put into production. This has become an “accelerator†for the rapid and sound development of the region’s economy. At the same time, the district has established a good support system for talented people to ensure that the company achieves production on schedule. We will introduce supportive policies for “make up, awards, reductions, and exemptions†and encourage rural laborers to enter school and study techniques and become blue-collar workers. We will adopt school-enterprise cooperation, orientation training, and order education to meet the needs of auto parts companies for technical talents. In recent years, more than 10,000 technical personnel have been transported to regional auto parts companies.
The transparency of the plastic injection transparent shell matrix resin itself has a great influence on the transparency of PP plastic products. In order to improve PP transparency, a small amount of polyacrylate resin with good transparency and compatibility can be added.
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(1) the inorganic nucleating agent mainly consists of ultra-fine talc powder and SiO2, and also includes calcium carbonate, mica powder, inorganic pigments and fillers, etc., which is cheap in price and rich in source, but has certain influence on the gloss and transparency of the products.
(2) organic nucleating agent organic nucleating agent is a kind of organics with low relative molecular weight, represented by sorbitol and its derivatives. It has good compatibility with matrix resin and can significantly improve product transparency and surface gloss.
(3) in the case of sorbitol, when the amount of nucleating agent exceeds 0.3%, the effect of transparency improvement is not obvious, and even decreases. However, when the dosage is less than 0.2%, the nucleation quantity is insufficient and the transparency is not increased enough. It can be seen that the amount of nucleating agent should be between 0.2-0.3%. Therefore, suitable nucleating agent content can better improve the transparency of PP.