"New Century" To Understand? 3 Industrial Textile Enterprises Talk About The Development Of Thermoplastic Composites Industry
Thermoplastic composite is a general term for strengthening various thermoplastic resins based on glass fiber, carbon fiber, aramid fiber and other materials. Thermoplastic polymer and special fiber composite, with simple technology, short process cycle, low cost, relatively small density and many other excellent properties, make thermoplastic composites widely used in aerospace, automobile, electronics, electrical appliances, medicine, building materials and other industries. Reinforced thermoplastic sheet It is considered as a very active variety of composite materials in the world. One of the new materials of the century 。
With the rapid development of domestic infrastructure, thermoplastic composites have been developing at a fairly fast rate in the past six months, and many enterprises are increasing the development of thermoplastic composites. However, for the domestic market, thermoplastic polymer matrix composites are still at a disadvantage in terms of mechanical properties, service temperature and aging properties. Wang Ran, Professor of Nanjing University of Technology It is pointed out that in order to produce high quality fiber reinforced thermoplastic composite parts, it is necessary to study not only the shrinkage of molded materials, but also how to prevent flexure.
Recently, reporters interviewed different products in different fields. 3 families Thermoplastic composites manufacturers found that Many enterprises are optimistic about the prospects of the thermoplastic composites market and put into operation. We hope that the thermoplastic composites industry can be strongly promoted by the government, and rely on the country to implement major scientific and technological projects to promote technology development and product promotion, and promote the development of thermoplastic composites.
Bamboo fiber composites meet many demands of electronic products
Enterprise name Changzhou Ji Ming composite material Co., Ltd.
Product category Electronic accessories
Changzhou Ji Ming composite material Co., Ltd. The recently invested thermoplastic composites production line mainly produces electronic reinforced accessories, such as computer housings, instrument housings, tape shafts, etc., according to different customer requirements, according to different injection molding processes. As of March this year, the income of thermoplastic composites accounted for 45% of the company's total sales. About.
according to Xu Fengyi, chief technology officer of the company At present, there are two types of thermoplastic composites in the domestic market, namely, long fiber reinforced and short fiber reinforced composites. The company produces long fiber composite materials, because its short fiber reinforced thermoplastic composites have better mechanical properties and temperature resistance, and can better enhance the enhancement effect of reinforcing agents. At present, there are few studies on long fiber reinforcement in China, but from the perspective of engineering application, long fiber reinforced thermoplastic composites have a broader development prospect.
The reason why we value the thermoplastic composites is mainly because Its density is small and its intensity is high. The density of thermoplastic composites is 1.1 to 1.6g/cm3, which is only 1/5 to 1/7 of steel and 1/2 to 1/4 lighter than that of thermal composites. It can obtain higher mechanical strength with smaller unit mass and is most suitable for producing electronic accessories. Because the type of matrix materials of thermoplastic composites is more than that of thermosetting composites, the freedom of using such material to design high-density and refined electronic parts is relatively high.
After nearly 5 years of market operation, the company's production of thermoplastic composites has been very stable. Next, the company will be united. Jiangnan University Researchers have begun to develop thermoplastic bamboo fiber composites that meet the various needs of electronic components. The company will first start with the mechanical properties and electrical insulation of bamboo fiber composites, and strive to develop environment-friendly bamboo fiber composite materials, which are non-toxic and non odorant, and do not release harmful gases such as formic acid in the long-term use.
The impact resistance of thermoplastic composites has been greatly improved.
Enterprise name Shandong rainbow composite new material Co., Ltd.
Product category Wind turbine blade
Shandong rainbow composite new material Co., Ltd. In 2013, we began to produce thermoplastic composites for wind turbine blades, and have long-term cooperation with many wind power enterprises in China.
according to Huang Youyuan, general manager of the company Compared with thermosetting composites, Thermoplastic composites have a series of excellent properties such as recyclability, light weight, good impact resistance, short production cycle and so on. If the thermoplastic composite blades are used, the blade weight of each large wind turbine can be reduced by 10%, the impact resistance will be greatly improved, the manufacturing cycle will be reduced by at least 1/3, and it can be completely recovered and reused.
Huang Youyuan said, The water resistance of carbon fiber thermoplastic composites is not comparable to that of thermosetting composites. The addition of conductive materials in thermoplastic composites can improve the electrical conductivity, prevent static electricity and improve the efficiency of the blades. However, the process cost of using carbon fiber thermoplastic composites to fabricate blades is high. This is the most critical problem restricting the use of thermoplastic composites for wind turbine blades. Even though the company has been tackling the market for two years, it still finds it difficult to expand the market. The company plans to go to Japan to study and learn. Ireland Gaoth wind energy company, MITSUBISHI heavy industries, Japan and American Cyclics company Joint development Manufacturing technology of low cost carbon fiber thermoplastic composite blade We hope to expand the market share by introducing new technologies.
"We very much hope that the government can help enterprises improve the level of automation and mechanization of composite materials production. For example, We will introduce foreign advanced composite molding technology and equipment to enhance the level of automatic control in the design and production of composite materials. By improving the automation and mechanization level of composite materials production, we can enhance the stability and service life of the products, and expand the application fields of products. Huang Youyuan said.
Improving the vibration resistance of car body with CO plastic panel
Enterprise name Zhejiang He Ying vehicle composite material Co., Ltd.
Product category Automobile exterior decoration
Zhejiang He Ying vehicle composite material Co., Ltd. At present, the panel is provided for the Santana model of Volkswagen Group. The panel is made by CO PP heating thermoplastic elastomer and adding other auxiliaries, which is molded by injection, so that the body's anti vibration ability is comparable to that of Audi A6.
In 2014, the company began to produce thermoplastic composites for automobiles. The products are mainly used for automobile bumpers, doors, body panels, seat backs, anti-collision parts, spare tire frames, automobile engine covers and other decorative parts. In the second half of this year, the company will also introduce boron free, fluorine free and alkali free thermoplastic fiberglass reinforced material, which can also be used for automotive silencers. It is estimated that the total sales of the company can rise by 20%.
Liu Yuning, general manager of the company The main reason for increasing the production of thermoplastic composites is that the main direction of the development of the world's automotive materials technology is lightweight and environmental protection. Reducing vehicle self weight is one of the most effective measures to reduce vehicle emissions and improve the combustion efficiency. When the vehicle's self weight is reduced by 10%, the fuel consumption can be reduced by 6% to 8%. Although the market is generally optimistic about carbon fiber composite materials, but the cost is too high, it is not suitable for low-end models, and this state will not change much in the next 5 years. Increasing the use of thermoplastic composites in automobiles is the key to reduce vehicle cost and reduce self weight and increase vehicle payload.
But Liu Yuning also admitted that although the company's thermoplastic composites are developing fairly smoothly at present, the company still hopes the government can make great efforts. Development of glass fiber products deep processing industry, with the downstream composite material pformation development and product upgrading and demand oriented, continuously enhance the scale and specialized production level of glass fiber products. At the same time, we should enhance product quality and added value level, and guide product enterprises to actively participate in downstream products and application R & D, meet the individual needs of downstream users, implement differentiated production and operation, and avoid low price vicious competition.
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