2010 Textile Science And Technology Progress First Prize Announcement

　　 hemp Study on structure and properties

Main completion units: General Post armament equipment research institute, Xi'an Polytechnic University, hemp industry Klc Holdings Ltd

Taking the low toxic hemp of large area and comprehensive utilization as the object, the structure and properties of hemp were deeply tested and analyzed by various modern testing methods, which provided a basis for determining the processing technology and processing equipment of hemp fiber, and provided the necessary basic theoretical support for the development of hemp industrialization technology.

Main research contents

By means of modern testing methods, the rules of different parts and components of hemp in different regions and growth time were tested and analyzed. The morphological structure, supramolecular structure and chemical composition of hemp bast fiber were comprehensively analyzed. hemp Molecular structure model.

By means of advanced testing methods and testing methods, the mechanical properties, surface properties, antibacterial properties, adsorption properties, UV resistance, light, electricity, heat and moisture properties of hemp fibers were comprehensively tested and analyzed, and the relationship between these properties and the internal structure of hemp fibers was revealed.

stay structure performance Based on the analysis and test, the antibacterial and odorant mechanism of hemp fiber, the mechanism of UV protection, the mechanism of moisture absorption and perspiration, and the mechanism of chemisorption are discussed, which will lay a foundation for the development of hemp fiber special functional fabrics.

Development of continuous cationic dyeable polyester equipment and process

Main completion units: Shanghai poly friend Chemical Co., Ltd., China Textile Science Research Institute, Tong Kun group Zhejiang Hengsheng Chemical Fiber Co., Ltd., Wujiang East Textile Group Co., Ltd. chemical fibre factory

The project belongs to the development of technology and equipment in the field of chemical fiber raw materials, and is suitable for the continuous polyester polymerization process with the addition of homopolymers or high content additives with three or four monomers.

Cationic dyeable polyester (CDP), which has the advantages of easy absorption, high dye uptake and no fading, has become one of the largest varieties of modified polyester in China. It is widely used in silk, fabric and wool blended fabrics. For a long time, the production process of cationic dyeable polyester in China is mainly the batch polymerization plant, which can not melt direct spinning, and there are some problems in the production process, such as melt filter and spinning formation, short replacement cycle, poor spinning and dyeing properties of polyester melt. The key technology of continuous polymerization device is still monopolized by a few developed countries. Therefore, developing a continuous cationic dye dyeable polyester equipment and process complete set of technology with independent intellectual property rights is of great significance for improving the quality of differential polyester products and reducing production costs.

Main research contents

Project research and development of three monomer (SIPE) preparation process, injection, mixing and reaction process, and optimization of the corresponding esterification, pre polymerization and final condensation process, melt direct high speed spinning process were carried out. The on-line addition technology of oligomer pipeline was studied, and the process conditions of continuous polymerization at low temperature and short range were optimized, and a complete set of Engineering Technology for continuous production of cationic dyeable polyester was formed. The patented technology of three monomer online pipeline adding technology and double chamber homogenizer with dye group was successfully developed for the first time, which ensured the stability and uniformity of the quality of industrial products. For the first time, cryogenic short process melt direct spinning technology has been successfully developed to ensure the production of high quality silk products while further saving energy consumption. Compared with other cationic dyeable polyester devices at home and abroad, the project provides short technological process, high equipment efficiency, low unit consumption, low comprehensive energy consumption, excellent product quality, stable and reliable operation, low investment and advanced technology, and has reached the international advanced level.

Project value

The technology and equipment of the project development have built 3 industrial plants with annual output of 60 thousand tons of cationic dyeable polyester in the past 5 years, and realized the direct spinning of filaments POY and FDY with melt, which has brought huge profits to the enterprises. At the same time, it has also provided technical support for the industrialization and continuous production of differentiated products in China's polyester industry, and promoted the structural adjustment and optimization and upgrading of China's polyester industry.

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Million tons of PTA plant technology and complete equipment research and development project

The main completion units: China Textile Industry Design Institute, Chongqing Peng Wei Petrochemical Co., Ltd., Zhejiang University, Tianjin University

Main research contents

Low temperature, medium temperature and high temperature oxidation kinetics; bubble column reactor cold model test; oxidation reactor multi-function intake system simulation test; solvent dehydration process; CTA/PTA crystallization kinetics and simulation test; CTA/PTA drying process and simulation test; CTA hydrogenation fine braking mechanics; unit modeling and whole process simulation software.

The project is based on the industrial test of the annual output of 80 thousand tons PTA in Ji'nan, the completion of the 600 thousand year PTA production process in Ji'nan, and the completion of 900 thousand tons of PTA plant based on Chongqing's Peng Wei petrochemical company. The key equipment, such as the PTA drier and the manufacturing plant and the University, is developed. The localization rate of the equipment is over 80%; 21 patents have been declared; and the application software of the distributed control system and instrument safety system is also available.

Project value

The project adopts the first PTA device built by China's first independent technology and complete set of domestic equipment. Its successful launch has broken the monopoly of foreign technology, and ended the history of China's long reliance on the introduction of technology and equipment to build PTA devices. It has milestone significance for the development of PTA industry in China. The advent of the million tons of domestically produced PTA devices will promote the rapid development of PTA industry in China, as well as upgrading and restructuring of the industry. At the same time, we should realize the vertical integration of polyester industry chain, reduce investment and cost, and enhance the competitiveness of China's polyester industry chain in domestic and foreign markets. The development of PTA industry in China will lead to the corresponding development of machinery, electronics and other related industries, and also contribute to the employment and sustainable development of the country. Following the commissioning of the PTA plant of Peng Wei petrochemical, Jiangsu Helen's annual production of 1 million 200 thousand tons of PTA plant and the Shaoxing Far East annual output of 1 million 400 thousand tons PTA device have been signed with China Textile Institute, and the application and popularization prospects are promising.

Development of high performance vinylon and its textiles

The main completion units are: Sichuan University, general post armament equipment research institute, Sichuan Vigny Lun plant, Dongying hemispheric Textile Co., Ltd., Zhejiang New Textile Co., Ltd., Hunan Xiang Wei Co., Ltd., Shandong woyuan new fabric Co., Ltd., Shanghai Quan Yu Biotechnology Co., Ltd., Mianyang Hengchang Garment Co., Ltd.

Aiming at the problems such as poor firmness, poor comfort and poor protective performance of the fabric and military training clothing, a high performance polyvinylon fiber with dense cortices and high temperature hot water processing has been developed. Through the systematic design and research of spinning, weaving and dyeing and finishing processes, we have developed a strong and comfortable clothing with other protective functions, high temperature sterilization and high performance price ratio.

Main research contents

We have independently developed a new technology to produce high performance vinylon by combining wet process with boron and aldehyde. We have innovating and optimizing the preparation, spinning and post-processing technology of the raw liquid, so that the fiber has a suitable proportion of dense cortex and orientation degree. The strength is over 7.5cN/dt. It has both heat resistance and water softening point up to 112 degrees Celsius. The new technology of producing high performance vinylon with long wire and aldehyde and mechanical crimp has been developed. The strength of the fiber is above 8cN/dt, the softening point of water is more than 114 C, and the comprehensive performance is excellent.

The mixing ratio, yarn structure, fabric structure and dyeing and finishing process were systematically studied, which solved the contradiction between the firmness and wearability of fabrics, the dyeing difficulties of dense cortex, the hardened problem of styling after the polyvinyl chloride was fixed, and the low color fastness to soaping caused by hot water disinfection at 95 degrees. The thermal resistance of the new high performance polyvinyl chloride new training suit is smaller than that of the original training suit. The index of leveling resistance is 7.2 times higher than that of the original military standard, and the number of times of actual flat milling is increased by several times to 10 times under the weight of similar square Mick. The fracture and tear strength is better than that of the similar products at home and abroad, and the actual service life is doubled. It can reach 4~5 degrees of color fastness to soaping at 95 centigrade, and can achieve high temperature washing and disinfecting. It is suitable for domestic and international lease of tooling. The overall technology of the project is in the leading international level.

The project has formed an industrial chain cooperative R & D with the combination of production, teaching and research and the whole process, and has undertaken the production tasks of military and police training clothing fabrics and domestic and foreign tooling fabrics. The research and development of high performance vinylon is based on the experimental results of National Key Laboratory of polymer materials engineering and Chemical Fiber Research Institute of Sichuan University. The Quartermaster Equipment Research Institute, based on the research and development requirements of military training clothing fabrics, has carried out pilot study on technical research and industrial production technology jointly with Sichuan University and 3 vinylon enterprises. With the high-strength wear-resistant, high temperature wet processing and thermal wet comfort as the necessary performance of military police training clothing and domestic and foreign tooling fabrics, the whole technical link of spinning, spinning, weaving, dyeing and finishing and clothing has been systematically optimized, and achieved the expected goal.

Project value

The technology of the project is advanced and practical, and has the characteristics of integration and innovation of the industrial chain, and the market prospect is very broad. The R & D and promotion of the project will play a good exemplary role in improving the technological transformation and innovation ability of China's traditional textile industry.

Development and industrialization of high strength and corrosion resistant PTFE fiber and filter material

Main completion units: Zhejiang Sci-Tech University, Xi'an Polytechnic University and Nanjing Jihua 3521 Special Equipment Co., Ltd.

The project is an interdisciplinary comprehensive research focusing on fiber preparation technology and nonwoven technology. The project aims at the characteristics of high temperature and corrosion resistance of polytetrafluoroethylene (PTFE) fiber and its environmental protection filter material, and a large number of imports depending on the situation. The aim is to improve the production technology and equipment level of PTFE fiber and its environmental protection filter material, promote the "blue sky project", and provide new filtering materials for comprehensive pollution control in China's environmental field.

Main research contents

In view of the poor uniformity of the traditional PTFE split fiber, a new method for preparing high strength PTFE short fiber by using PTFE/PVA (polyvinyl alcohol) blending, making use of the complexation characteristics of boric acid and PVA and spinning high strength PTFE short fiber was developed.

A sintering equipment with PID program control technology for temperature control has been developed for high strength PTFE staple fiber, and a special spun nozzle for PTFE filament fiber has been invented to form a relatively complete production equipment and technology for serialized PTFE fiber materials.

In view of the low efficiency of traditional needle filter media, the multiple compound processing technology of environmental protection filter material integrated with high-strength PTFE short fiber, filament fiber and emulsion coating technology has been invented, and a patent product with high efficiency dust removal and environmental protection filter material has been developed. After inspection by the quality inspection department, the performance index exceeds the level of similar products at home and abroad, and the project results have independent intellectual property rights, and the product performance index reaches the international advanced level.

Project value

As of December 2009, the project has obtained 7 patents (including 5 authorized invention patents, 1 Public invention patents, 1 authorized utility models), two drafting enterprise standards, two major products: high temperature resistant, corrosion resistant high strength PTFE fiber and high efficiency dust removal and high-performance environmental protection filter material, which is widely used in the treatment of high temperature tail gas in large coal-fired power plants, cement plants, steel plants and garbage incineration industries, including Shougang, Daqing petrochemical, Nanjing Kasen cement, Jiangsu Guotai, etc., and has achieved remarkable economic and social benefits. The technology and products of the project are of great significance for promoting the research and processing level of high performance fiber and environmental protection filter materials in our country and improving the environmental quality.

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Development of high performance carbon fiber 3D textile composite skirt

Main completion: Tianjin University of Technology

The connecting skirt of solid rocket motor shell is a key load-bearing structural component to connect or connect with other components of the solid rocket motor shell. It needs to bear the load of axial compression, bending and shearing during the whole working process. This requires that the manufacturing material of the connecting skirt has higher structural strength and smaller material density, so as to reduce the weight of the connecting skirt and increase the mass ratio of solid rocket motor.

At present, the connecting skirts of solid rocket motor composite shell on the existing stereotyped models all adopt metal materials to connect skirts. Compared with the composites skirts widely used in developed countries such as the United States and Russia, there are many technical problems such as heavy weight, low container characteristics, complex processing and assembly, high manufacturing cost, and stress concentration at the junction with composite shell.

Main research contents

The project has successfully developed three dimensional weaving special equipment capable of weaving 1400mm diameter and three-dimensional woven circular barrel preform. The 3D weaving process and the variable thickness 3D woven technology of the whole composite skirt preform with end basket were developed. The technology of RTM composite curing for super large 3D woven preform resin composites was successfully developed, and the RTM mold and demoulding tooling of the carbon fiber resin based 3D textile composite skirt were successfully designed and manufactured.

The experimental results show that the mechanical properties of the two dimensional carbon fiber resin based three-dimensional textile composites with integral structure are more than the required standard. The surface of the products is smooth and without defects. After X ray inspection, the products have no shrinkage holes, porosity, cracks and so on. The performance requirements of the composite skirts are realized in the contract, and the installation is checked. At the same time, the manufacturing technology of 3D woven composite materials developed by the project has been successfully applied to high performance parts. The performance of 3D woven composites developed by the project has reached the international advanced level.

Project value

The development of three-dimensional textile composite skirt has laid a solid technical foundation for the improvement of solid rocket performance in China. At the same time, it provides a theoretical basis and technical support for the development of high-performance 3D Integrated woven composites with other shapes, and further expands the application of textile technology in high performance composite materials and aerospace.

Key technology and equipment of 1000 ton scale T300 raw silk and carbon fiber localization

Main completion units: Zhongfu divine eagle Carbon Fiber Co., Ltd., Donghua University, Lianyungang Eagle travel Textile Machinery Co., Ltd.

Main research contents

The project is based on the pilot plant of 500 tons of raw silk and 220 tons of T300 grade carbon fiber in the Zhongfu Condor Carbon Fiber Co., Ltd., combined with the control technology accumulated in the production of the industrial acrylic fiber, and adopts the design, manufacture and integrated technology of the decades old chemical fiber textile machinery Co., Ltd. of Lianyungang Eagle travel machine Co., Ltd., to build the first domestic continuous advanced equipment of 2500 tons of raw silk and 1000 tons of carbon fiber with international advanced level.

　　項目重點通過一步法連續大型穩定聚合、離子交換樹脂螯合純化等創新技術，解決了聚合體的質量瓶頸問題;通過凝固浴濃度及溫度的精確控制、氨化親水、浸涌水洗新技術、分配牽伸比例的優化和大型高壓飽和蒸汽牽伸和噴絲組件的結構設計等獲得了高取向度優質原絲;通過開發具有自主知識產權的專用油劑與可控均質化預氧化工藝和無焦油碳化處理等技術，實現了性能均勻穩定的千噸級T300碳纖維的生產;在關鍵設備方面，研發了20m3大型聚合釜、高壓蒸汽牽伸機、新型疊式外熱預氧化爐、超寬幅低溫碳化爐與高均勻性高溫碳化爐及相應的精密控溫系統等，實現了T300級碳纖維生產中的聚合、紡絲與碳化等工藝的精確控制與連續生產。 Thus, the core technology, key equipment and supporting system of PAN based carbon fiber with independent intellectual property rights have been formed. A large-scale production system of 2500 tons of raw silk and 1000 tons of T300 grade carbon fiber has been built, breaking the monopoly of foreign technology and import restrictions, and realizing the large-scale production of domestic carbon fiber, and the quality of products has reached the international standard of T300 grade products.

Project value

The industrial production of 1000 tons of T300 carbon fiber has broken the blockade of foreign technology and equipment, fundamentally changed the status quo of China's carbon fiber being controlled by others, and greatly alleviated the demand for carbon fiber in civilian and military fields. At the same time, it will promote the development of China's carbon fiber industry and catch up with the advanced international level, especially for the research and development of high-performance carbon fibers such as T700 and T800. It will also play a good role in demonstrating and immeasurable technical support for the research and development of high performance carbon fibers, and in addition, it will enhance the competitiveness of the domestic high strength fiber industry in the international market, promote the acceleration of structural adjustment, technological progress and industrial upgrading of China's textile and chemical fiber industry, and further promote the development of China's high-performance fiber and advanced composite materials, as well as aviation, aerospace, new energy and other related industries.

Research and development of new technology and key equipment for cold pad batch dyeing of cotton

Main completion unit: China spinning Limited by Share Ltd

The new technology of cold pad batch dyeing is fixed at room temperature, without steam, energy consumption is low, bath ratio is small, water, steam and electricity consumption is the lowest in all kinds of dyeing processes. Cold pad batch reactive dyeing does not require a lot of salt in conventional reactive dye dyeing, with high fixation rate, high dye utilization rate, less waste liquid emission, obvious environmental protection effect, energy saving and emission reduction. Cold pad batch dyeing technology is widely used in garment fabrics, home textiles, towels and other textiles production because of its less investment, low capital construction cost, strong adaptability, high dye utilization, good dyeing effect and full color.

Main research contents

The project eliminates traditional production processes, imports imported equipment, optimizes selection of dyes and auxiliaries, adopts new cold pad batch dyeing technology, selects and optimizes its technological parameters, achieves green environmental protection, energy saving and emission reduction. In the process of processing, it adopts loose mercerizing and drying to give the best effect of natural elasticity of fabrics; all of its technological conditions are implemented on-line tracking, greatly improving the rate of first-class products, bringing new colors, unique functions and distinctive styles to fabrics, and has become a leading high-end series of comfortable and environmentally friendly products in China.

Project value

The project uses room temperature cold pad dyeing, which saves the process of priming and steam washing, and greatly saves water and electricity consumption. It can save about 15% of water consumption than conventional dyeing process, save electricity by 15%, save steam more than 20%, save dyeing and finishing materials to 22%, and reduce COD discharge of total effluent by 18%. At the same time, the use of salt as a promoter can effectively reduce the burden of sewage treatment. The development of this technology, to improve the convenience of environmental protection, and promote the development of international printing and dyeing technology, is another major innovation in the dyeing and finishing industry. The products produced by this technology are soft, natural, comfortable, overhanging, natural and elastic. The production process is reasonable, energy saving, environmental protection, green health care and clean production.

The new cold pad batch dyeing fabric has superior performance and high added value. Its elasticity is moderate, its handle is fine and full, its drapability is good, and it is smooth and clean. It has passed the inspection of Shandong eco textile quality supervision and inspection center and O-Tex100's environmental quality certification. According to the characteristics of fabric's structure, two kinds of products of high and middle grade have been developed.

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Integrated technology and equipment for resource recycling in batik industry

Main completion unit: China spinning Limited by Share Ltd

Because of the relatively short history of industrial scale production, batik dyeing technology and equipment at various stages of printing and dyeing are relatively backward compared with other printing and dyeing industries, which is a serious resource consuming and polluting industry in the printing and dyeing industry.

Main research contents

The project focused on the technology of recovery and recycling of rosin, and successfully developed a separation and extraction process, which is suitable for industrial production, multistage high temperature refining and filtration process for the recovery and recycling of rosin. The rosin recovery rate increased from 40% to 60% to 95%.

The project also studied the technology of heat recovery and utilization at high temperature, and developed a two stage self circulation S type unpowered heat exchanger and its automatic monitoring system. After treatment, the temperature of high temperature wastewater can be reduced from 80~85 to 30 degrees Celsius, which is 25% higher than that of conventional heat exchange technology. The recovery rate of heat energy is over 90%.

The project has studied the advanced treatment and reuse technology of wastewater. According to the pollution characteristics of each stage of batik dyeing, the method of combining turbidity and turbidity, combining separate treatment with comprehensive treatment is adopted to treat wastewater from washing, wax removal and terminal wastewater by different treatment processes and reuse in different production processes. The total reuse rate of wastewater is over 30%.

Project value

After the implementation of the project, about 4800 tons of rosin can be extracted every year from batik wastewater, and the benefit can be increased by 30 million yuan. It can reduce COD emissions to the environment by about 14235 tons per year. It can exchange 216 thousand tons of hot water annually, save 1440 tons of standard coal, increase efficiency by 1 million 80 thousand yuan, reduce emissions by about 300000 tons per year, and reduce annual pollutant emissions by 20%.

The project will play an important role in promoting the overall technological level of China's printing and dyeing industry, especially in the batik industry.

The project can play an exemplary and promoting role in developing cleaner production and recycling economy in China's printing and dyeing industry, opening up a new path for the sustainable development of China's printing and dyeing industry, and making great contributions to the protection of the environment and recycling of resources.

Development and industrialization of online collection and intelligent management system for textile and garment production data

The main completion units are Huizhou Tian Ze Ying Feng Technology Co., Ltd., Wuhan Textile University and University of Electronic Science and technology of China.

Main research contents

On the basis of mastering the application of RFID technology in the garment production line, the project studies the application technology of low-frequency RFID data acquisition terminal system for clothing industry, RS485 multi-point concurrent real-time communication network, RS485 communication intelligent signal amplification mechanism, intelligent communication subsystem of RS485 communication and other key technologies, and develops a garment enterprise production information management system based on RFID technology to realize the functions of production task schedule control, production material tracking and real-time monitoring and scheduling of production core links.

The main performance indicators of hardware include work mode, label type, multi language conversion platform, and electromagnetic disturbance characteristics conform to the national standard GB9254-A. The main performance indicators of management software include development tools and maximum load. The project has reached the international leading level.

Project value

The cost control of mass production of ETS equipment developed in the project is controlled within 1000 yuan. Two years later, the production capacity of 100 thousand units of reader and reader can be realized annually, and the profits and taxes can be realized by 72 million yuan. In the entire textile and garment industry, ETS can bring significant economic benefits to the whole industry: the production period is at least one week ahead of schedule, directly reducing the rate of over 30%, WIP by more than 20%, the defective rate at least 10%, and the production efficiency by more than 10%, prompting enterprises to make rational use of information resources and help traditional enterprises achieve industrial upgrading.

ETS real-time data acquisition and production management system will serve as the leading producer of data acquisition and management analysis in China's apparel industry. Based on RFID technology, it can be developed into a complete system of software and hardware with the functions of field management and data analysis of garment production lines, and the efficiency of enterprises can be increased by more than 10%.

At present, the project has been popularized and applied by 15 enterprises and 20 thousand intelligent data acquisition terminals at home and abroad. It has good prospects for popularization and application.

The effects of fresh stalk peeling, mechanical degumming, biological degumming, flash blasting, high temperature cooking, alkali treatment, liquid ammonia treatment, thermal expansion dyeing and supercritical carbon dioxide treatment on the structure and properties of hemp fiber are comprehensively analyzed, which provides a theoretical basis for the development of new hemp fiber processing equipment, spinning equipment, dyeing and finishing equipment as well as the research and development of hemp reinforced composites.

Project value

The results of the project have a strong practical guidance for the actual fiber processing and production. It is shown that the study of hemp quality can guide the farmers to grow high quality and high yield hemp. The research on the influence of processing technology on the structure and properties has guided the research of hemp fiber production technology, and guided the construction of the first high tech hemp fiber processing plant with an annual output of 5000 tons in Xishuangbanna. The mechanism research laid the foundation for the full application of its functions, and the research results can also be used to guide the applied research and production processing of other bass. According to the properties of hemp fiber, relevant enterprises have developed hundreds of hemp products and household products, which has promoted the healthy and steady development of hemp industry.