Come nearly ten years, the textile industry is breach with fabrics, application of high technology and advanced applicable technologies to transform traditional industries, has obtained the good effect, effectively promoted the textile industry technology progress and industry to upgrade the level of. But as economic globalization process accelerate ceaselessly, spin industry competition is also growing, China's textile industry should be in a more intense competitive environment to maintain advantage, can not remain in the labour cost advantage and textile amount advantage, the key is to further improve the textile science and technology level, rely on technical innovation to increase the technological content of products and added value, promote China's textile industry in the international competition.
To this end, we organize various professional associations and experts on trade current situation and analyzed the existing problems, puts forward the current textile industry need to solve four aspects in 25 key technologies, the key technical problems will greatly promote the industry's technological progress and development.
One, new textile materials and advanced processing technology
The new material is the important one of the high technology, new textile material is applied not only to make the life of people produced tremendous change, but also will promote the rapid development of social economy. International textile and new materials development is mainly around the excellent properties of high performance fiber, functional fiber, conforms to the sustainable development of new fibers and new materials research and development.
High performance fiber with high strength and high modulus, high temperature resistance, strong corrosion resistance and flame resistance and other properties, widely used in transportation, water conservancy, military, health, construction, communications, environmental protection and other fields.
Functional fiber with antistatic, flame retardant, high moisture absorption, antibacterial, anti-ultraviolet property, is the production of high value-added, high grade textile base.
Conventional chemical fiber products production with large capacity, high efficiency, high speed, continuous and network information monitoring for the direction, to achieve high efficiency and low cost production.
Industrial fiber will become the future manufacturing industry is an important raw material. The industry uses fiber has been widely used in metal, plastics, paper and asbestos substitutes. With the industrial material of lightweight, high performance, diversification and aesthetic trends, industry uses fiber use is increasingly extensive, market demand expands ceaselessly, such as the United States, Japan, the European Union and other countries of the industrial fibers in its whole fiber production sector accounted for some already amounted to 2 / 3. The next 10 years in China industrial fiber consumption and market trade will be an annual growth rate of over 10%.
Specific to the development of the following 10 key technologies:
1, carbon fiber, aromatic vinylon, PSA, a new generation of ultra high strength high modulus polyethylene and polyvinyl alcohol fiber industrialization development
Carbon fiber, aromatic acrylic fibers developed countries already realized industrialization, but our country is still in the small, in the trial stage, wait for industrialization development and application. On the domestic has certain development base of polysulfonamide should increase investment to develop strength, formed with an annual output of 500 tons of industrial production line. On the performance of excellence, the wide use of polystyrene and bis ( PBO ) fiber should be developed in advance research, prepare technical reserve. At the same time the home has been the basis for a new generation of ultra high strength polyethylene film and series K vinylon applied technology to deepen research, improve product standards, implementation industry upgrades.
2 new varieties of polyester, diversified technology, PEN PTT, CO-PET industrialization development
Since entering new century, world polyester new technology development is very rapid, represented by the PTT polyester family multiple new technology breed industrialization development also obtains significant progress. PTT ( PTT ) staining, good elasticity, crisp, dry, easy processing, resistance is strong, with polyester, nylon and spandex fiber performance characteristics, not only can be used for fabrics, carpets, nonwovens, also can be used for film, plastic and other new types of resin materials, are broad prospects for the development of PEN (; poly sebacic acid glycol ester ) transparency, good barrier property of polyester beer bottle, advantageous in high performance non fiber area expansion; CO-PET is mainly used for sea island fiber production, is a modified PET in the pressing priority species.
In 3, PLA ( biodegradable polylactic acid fiber ) and Lyocell ( new solvent method cellulose fiber ) fibers and products industrialization development
LA is a kind of completely biodegradable polymer, it is with corn starch and other natural resources as raw material the successful development of a new fiber material, has a beautiful luster, comfortable, durable, slippery waxy, drying and other advantages, especially it has excellent biodegradability and applicability by the attention of the world, the United States Europe, Japan, Taiwan, and so on in the full industrialization research. Loycell is a new type of solvent, non-toxic process for the production of a new generation of cellulose fiber, both fiber and synthetic performance, the domestic products in the application development has made a number of achievements, but in the industrialization of the fiber on the urgent need of the development of mass production.
4, soybean protein fiber and its product development technology series
Soybean protein fiber is developed independently by China, the first successful test of industrialized vegetable protein modified fiber. The fiber not only has moderate intensity, the proportion of small, soft, gentle luster, moisture absorption and moisture properties such as excellent, good Qinfu, bacteriostasis function significantly, to meet the comfort and health requirements. At present domestic has built a million tons of soybean protein fiber processing production line, but also the need of the further development of soybean protein fiber series products, improve equipment level of automation control, at the same time to system research of soybean protein fiber spinning, weaving, printing and dyeing and finishing technology, development of pure spinning, blended, interwoven fabrics such as, the soybean protein fiber products industry process enters a new stage.
In 5, with an annual output of 600000 tons and above the new PTA complete sets of domestic technology and equipment
The current our country polyester raw material PTA gap is big, self-sufficient rate is low, dependence on the international market through the large, seriously restricts the production and development of polyester fiber. Because PTA device with high technical content, capital investment is large, also emphasizes the scale benefit, it is long-term since the domestic PTA production equipment all imported from abroad. Therefore, an annual output of 600000 tons and above the new PTA complete sets of domestic technology and equipment research on industrialization of great significance. The technology has certain basis, after the successful implementation of, not only the investment cost can be greatly reduced, but also for promoting China's PTA industry leading development, alleviate the breach of raw material, improve the polyester industry chain competition ability, have important sense.
6, a new generation of direct spinning polyester ultra thin wire and efficient new winding head of R & D and industrialization
Domestic grafted polyester filament technology and equipment of the successful operation, greatly advance our country chemical industry swift and violent development, however the international about polyester filament of new technology, new equipment, new varieties of technology development is very rapid, must seize the opportune moment to tracking the latest international technology, accelerate an industry to upgrade. The current focus is to develop direct spinning can produce dpf0.3 ~ 0.5 ultra-fine fiber technology and new type high speed winding device such as a new generation of technology.
7, high-grade composite nonwovens processing technology and its application
China nonwovens industry development is very rapid, 2003 is expected to reach 800000 tons, of which, the meltblown, spunbonded Spunlaced, acupuncture, airlaid pulp development speed very quickly. But the single process of nonwoven fabrics have been unable to fully meet the requirements of all kinds of composite technology used, compensated, created a lot of new nonwoven products. Nonwoven fabric between the composite in a number of ways, for example Spunbond-Melt blown - spunbonded ( SMS ), carding - spinning Web - carding net ( CSC ), carding - meltblown - carding net ( CMC ), carding and airlaid pulp, wood pulp spunlace composite spunbonded and use fiber composite. China nonwovens composite technology has just started, so to accelerate the research of this technology.
In 8, the new medical protective materials comprehensive research and development
Novel medical textile market prospects are broad, current annual demand is in 100000 tons of above, but the domestic medical protective supplies integrated performance is poor, especially the protection performance and comfort performance can be a very good balance, entrance product comprehensive performance is better, but the price expensive. For this, must be developed with high barrier property, high permeability, good filtering effect and low cost of the protective material, to address China's medical and health system protection.
In 9, the membrane structure material and new roofing materials development and Application Technology
Membrane structure materials and new roofing materials in recent years abroad is very rapid development of the new material, the material has good light transmittance can well solve the lighting problem, material is light in weight can substitute the traditional roof material, especially suitable for large span building stadiums, warehouse construction, can also be widely used in soil engineering, transportation, environmental protection, advertising and other industries. At present the domestic demand is increasing ceaselessly, membrane structure materials is expected to demand exceeds 1000000 meters 2, new roofing materials demand in 10000000 M 2, and the permanent and semi-permanent membrane structure materials imported. Domestic response to membrane structure material substrate, coating and finishing equipment and construction design application of technology in areas such as research, to satisfy domestic demand, import substitution.
In 10, agricultural nonwoven cloth and chemical fiber network development and Application Technology
Agricultural nonwovens and agricultural chemical fiber net is the important industrial textiles, market prospect is capacious, year demand amounts to 10 more than 10000 tons.
Agricultural nonwovens materials mainly include freezing cold, sun and drought, bird pest control material material, preventing grass film, insulation moisture material, fruit trees protected materials, seeding base, can realize the agricultural and sideline products precocity, high and stable yield, pollution-free, pollution-free cultivation. It can completely replace the agricultural film, plastic and other materials, and superior performance, cost-effective.
Agricultural chemical fiber network consists of shade nets, insect nets, windbreak and sand-fixation network. New reflective silver net can effectively reflect the strong sunlight, so as to reduce temperature 2-3 C, favorable for plant growth, but also effectively prevent pests imago invasion of spawning, vegetables, fruits, flowers can be made from the chemical pesticide pollution. At present the price factors restricted the promotion and application of new products, to further study the industrialization production technology, to reduce costs, expand the use of.
Two, advanced spinning, weaving, dyeing and finishing technology
New and high technology to transform the traditional textile industry is the primary means of research using new spinning, weaving, dyeing and finishing process technology and equipment, spinning, weaving, dyeing and printing process to achieve continuous, automation, high efficiency, product variety, quality advantage, and labor productivity twice or even ten times increase, the production cost is greatly reduced, thus greatly improve the competitiveness of products. Recent highlights in the development of research the following 5 key technology:
1, modern cotton textile production technology research
The modern cotton spinning production technology. Study of carding, drawing, roving, spinning, winding and other single multiple motor drive and control system software and hardware development and application of on-line detection and control; research and development; single automation and process of continuous technology; spinning equipment, technology and quality of the centralized monitoring and management technology. To solve the domestic blowing carding, drawing frame autoleveller system stability and reliability, spinning machine and winder connecting key technology.
The new technology of compact spinning. Compact spinning technology is designed to improve yarn quality and spinning high count yarn, spinning new technology to produce high strength, smooth surface, yarn hairiness decreases substantially, improved the yarn, fabric quality, while making the road after processing can be carried out smoothly. The introduction of compact spinning investment in expensive equipment, therefore must be developed for the majority of domestic enterprises of the compact spinning machine and device. This technology application prospect is very broad.
The rotor spinning technology of high count. 20-40 S high rotor spun yarn can be used as a high-grade knitted and woven yarn, its fabric having a smooth surface is plump, evenness, fewer defects and other excellent properties. Production of high count yarn of the rotary cup spinning machine must have a good automatic function, is the key to the spinning box combination components, automatic joint student head, tube replacement car key parts and components of the development, online testing and quality control system, to the high rotor spinning and supporting technology research, in accordance with the high count yarn different quality requirements to design the optimal spinning equipment and process parameters of the spinning, achieves the best effect.
The high intelligent wide shuttleless machine new technology. Shuttleless loom is the domestic textile industry technical reformation of main equipment. At present all kinds of shuttleless loom high-end models all imported from abroad, domestic shuttleless loom because the product reliability is not high, market share is decreasing, the market share of less than 10%. Therefore, we should strengthen product innovation, improve product reliability and adaptability, reducing product cost, accelerating the process of domestic high-grade shuttleless loom. Development of intelligent shuttleless loom, the key should solve the automatic level of the equipments; improve device speed and variety adaptability; developing the electronic dobby and electronic jacquard device, wide sizing techniques.
2, new technology and new technique of wool
The cable spinning ( Solo-Spun ) industrialization technology. In order to meet the market demand for light-weight wool fabric development, solve the superfine wool production to meet the demand of high count light fabric and reduce the product cost, in recent years, the change of yarn structure to the development of textile technology is a new trend, cable spinning technique is weaving the yarn spinning technology development and innovation. This technique can be used in a ring-split spinning frame drafting mechanism output parts of installing spinning device, less investment, quick start, need for industrialization of research, at the same time to deal with spinning process, operation technology and product further development research.
Machine washable finishing technology of wool. Wool washing machine technology is mainly used chlorinated technology, shrinkproof ideal effect. China has introduced a top shrinkproof machine and process technology is mature, but the process of discharging chlorine pollution to environment. At home and abroad are studied using enzymatic antifelting finishing of fabric, but in effect, the compound enzyme preparation, the survival and the processing technology and so on is still at the research phase, need further research and development, as soon as possible industrialization.
The rare animal fiber spinning technology. My country is rich in cashmere, rabbit hair and other rare animal fibers, these fibers have" soft gold" say, but because the fiber length is short, generally used in the production of low a coarse worsted spinning. In order to improve the grade of rare animal fiber products, and adapt to the wool fabric of thin, at home and abroad recently committed to high count yarn spinning technology research, the worsted spinning process, spinning process route and wool, cotton combined process, but no matter what kind of process route, its spinning technology are mature, perfect, need further investigation and comprehensive analysis, study a reasonable application of the process flow, equipment and its spinning technology.
The wool modification technology. Wool fabric light by wool resource restrict, spinning high-count yarn required more than 80 fine wool, the only Australian to supply, yield much, far cannot satisfy need, at the same time because of fine wool is expensive, product performance / price ratio lacks competitive advantage. Optim wool using new physical modification technology, so that the fibers in the strength is not under the condition of damage reduction, fineness
