This direction is mainly engaged in the synthesis of organic functional polymers, fine polymers and applied basic theoretical research, the use of polymer molecular design means, through the controlled synthesis reaction technology to study the multi-level structure of polymer systems, and involves the structure, properties and rheology of polymer multi-phase system; nano-composite polymers; polymer / inorganic hybridization composite; functional and green polymer; polymer compound modification The program is designed to provide a broad range of research and development opportunities in the field of polymers. This direction is one of the important research directions of the first-level doctoral program in materials science and engineering, with three professors (two doctoral) and 10 teachers with doctoral degrees, who have undertaken more than 20 national and provincial research and fund projects, won more than 10 provincial and ministerial-level scientific and technological awards, and have published more than 100 papers since 2000, of which more than 40 are included in SCI and EI.
In the controlled synthesis of multilevel polymers, he has used the combination of molecular design and performance design to study the principles and methods of controlled synthesis of dendritic polymers, core-shell structured polymers, and polymers with fixed-point grafted structures, and to study the relationship between structure, performance and function. He is currently undertaking two National Natural Science Foundation of China (NSFC) research projects, and has published 5 papers in Advanced Materials, Macromolecules, Polymer and other journals in 2004.
In the field of polymer composite modification, he continues to carry out the basic theoretical and applied research on compatibility, interfacial properties, morphology and size control and destruction mechanism, life prediction and interfacial molecular bonding state of polymers*** blends, and carries out in-depth theoretical research and application development on the mechanism of organic polymer/inorganic hybridization composite, physical and chemical properties of polymer nanocomposite systems, and molecular shearing and assembling. At present, he is undertaking two research projects of National Natural Science Foundation of China, and has published 14 papers in international journals such as Journal of Polymer Science-Part B, Jourmal of Applied Polymer Science, Polymer Science and Engimeering in the past five years. We have established long-term cooperation relationship with Anhui Guofeng Group, Anhui North Coal and Electricity Group, Anhui Fengyuan Group, Anhui Chlor-Alkali Group, Huangshan Yongjia Group and other large-scale enterprises in scientific research and talent cultivation, and ****built a number of industry-academia-research engineering centers.
In terms of functional and green polymers (stealth coatings, UV-curable coatings, thermochromic gels, waterborne coatings, waterborne adhesives, amphiphilic coatings), the company conducts applied basic research and application development of functional polymer materials such as light, heat, electromagnetism, mechanics, biology, etc., and expands in the direction of green biodegradable polymer functional materials and environmentally coordinated polymer materials. At present, he undertakes one National Natural Science Foundation of China project and a large number of enterprise-commissioned projects. Meanwhile, acrylic cathodic electrophoresis paint, quick-drying putty, amphiphilic coating and other projects have been successfully applied in diesel engine, automobile, forklift and air-conditioning industries in Shanghai and Anhui Province, which have brought significant economic benefits to enterprises. Environmentally friendly water-based adhesive series has been formally produced in Hefei and other enterprises to meet market demand.
Inorganic functional materials preparation technology and process
Inorganic functional materials, including organic polymers and composites in addition to all functional materials, in the development of the national economy occupies an important position in the research and development of its preparation methods has increasingly attracted great attention of researchers and scholars at home and abroad. This direction focuses on the preparation of new mesoscopic materials such as catalyst materials, optical functional materials and mineral materials that we have selected, and carries out material design and process optimization according to the needs of the application process, combines with the latest development and research hotspots of chemical engineering, and carries out to solve the key problems in the process of mesoscopic new materials preparation with the theories and methods of chemical engineering, and the goal is to achieve the key problems in the process of mesoscopic new materials through the study of the preparation process, microstructure-property relationship, and the research and development of the preparation method. - The goal is to control the microstructure and properties of materials by studying the microstructure-property relationship. On the one hand, through research and development of traditional chemical engineering technologies, such as supergravity technology, microgravity technology, supercritical technology, hydrothermal technology, membrane technology, etc., we will apply them to the preparation of mesoscale new materials; on the other hand, we will develop new unitary technologies and reaction-separation integration technologies, and solve the technical problems of their process scaling-up, so as to realize the large-scale production of related new materials. The research and innovation will not only solve the key problems in the production of new materials, but also promote the development of the emerging discipline of chemical engineering of materials.
In recent years, the department has undertaken 3 National Natural Science Foundation of China projects, 1 Ministry of Education Outstanding Young Teachers Funding Program, 2 Ministry of Education Start-up Fund for Returned Overseas Chinese, 6 Anhui Provincial Natural Science Foundation projects, 1 Anhui International Cooperation Project, 1 Anhui Science and Technology Tackling Project, as well as a number of enterprises entrusted cooperation projects. During the period of 2001-2006, he has published more than 120 papers, including more than 50 SCI papers in international academic journals, which have been cited more than 250 times by domestic and foreign peers through Web of Science search. He has applied for 5 invention patents and transferred many scientific research results. We have won the third prize of Excellent Scientific and Technological Achievements of Higher Education Institutions in Anhui Province, and one of us has been awarded the "Anhui Youth May Fourth Medal". As a discipline with a wide range of applications, basic research in electrochemistry is often strongly application-oriented, and has important applications in the fields of energy, materials, life, environment and nanoscience. The research in the applied electrochemistry direction covers nonlinear electrochemistry, energy electrochemistry, materials electrochemistry, nano-electrochemistry, metal electrodeposition, chemical power supply, electrochemical corrosion and anticorrosion, electrolysis, electrodeposition, bioelectrochemistry, electrocatalytic materials and technology, nano-functional materials, and computational chemistry.
This direction has developed its own characteristics in the application of electrochemical methods and techniques, materials preparation and electrochemical characterization, and battery technology. Synthesize new energy nanomaterials, focusing on electrode materials for lithium-ion batteries and solar battery materials. Systematically prepared nitride and composite materials, and studied the supercapacitive properties of nitride materials, which is rarely reported in foreign countries, and there is no other research group in China. Earlier in China, we carried out electrochemical research on supercapacitive materials; opened up new preparation methods for carbon aerogel materials, and developed low-cost and high-efficiency preparation processes; made full use of straw, a renewable resource, to prepare activated carbon materials with high specific capacitance, to solve the environmental and social problems brought by straw combustion, and to carry out the research and development of new types of charcoal materials for energy storage; pioneered the research on electrochemical chaos in China, and realized the study of electrochemical chaos control and synchronization, and the research on non-capacitive materials in China. control and synchronization research, and has obvious characteristics and advantages in nonlinear electrochemistry; using layered silicide and graphite as the matrix, obtaining organic/inorganic layered nanocomposites with battery materials through the insertion and hybridization technology; combining electrochemical methods and biotechnology for bioanalysis, combining spectroscopic electrochemical methods for electrochemical field analysis, and carrying out field analysis in the detection and dynamics of natural antioxidant, bio-hormone and detection and dynamic process analysis of various biological small molecules; carry out electrochemical deposition, material surface treatment and corrosion inhibitor application, and coating protection with inorganic organic hybrid materials, and carry out in-depth theoretical research and application development around the protection technology.
This direction actively participate in the technological reform of science and technology enterprises, and Huaibei East Magnetic Group cooperation in scientific research course, supported by the Provincial Department of Science and Technology, approved as the key project of Anhui Provincial Science and Technology Tackling. In the comprehensive utilization of biomass, the realization of the industry-academia-research union reached with Ningguo City. In the development of ultra-capacitor, with the source of light Electrical Co., Ltd, the formation of industry-university-research cooperation. The research related to copper electrolytic refining has played an important role in improving the copper grade of the largest copper smelting base in China. Actively participated in the anti-corrosion project of Hangzhou Bay Highway Bridge, and successfully completed the R&D and implementation of two anti-corrosion projects. The waterproof and anticorrosive materials developed have been used in the protection of the Baogong Shrine, and have achieved good results. In recent years, he has undertaken a variety of scientific research projects, including the National Natural Science, Anhui Provincial Natural Science Fund, Anhui Provincial Science and Technology Tackling, Hefei Municipal Science and Technology Tackling Project. In recent years, he has published more than 120 papers in academic journals at home and abroad. She has made important achievements in electrochemical theory and won the third prize of provincial scientific and technological achievements. In this research direction, the development of fine and specialty chemicals such as pharmaceuticals, pesticides, surfactants and their intermediates is carried out, as well as the research of fine organic synthesis and bioconversion and the theoretical and technological problems in the process. Fine chemicals production is the most important part of the chemical industry, the proportion of fine chemicals in the chemical industry in the international up to 85% or more, China is only about 50%, and our proportion in Anhui Province is even lower. Fine chemical industry is technology, capital-intensive industries, product tax rate is also very high. Through the reform and opening up nearly three decades of development, China's eastern coastal areas have developed a relatively concentrated fine chemical industry cluster, which also provides opportunities for the development of fine chemicals in Anhui. With the consumption of fossil resources, the technical demand for the use of biomass to produce fine chemicals is increasingly urgent. Our province is an agricultural province in the east, agricultural products and other biomass resources are produced in large quantities, providing raw material security for the production of fine chemicals by bioconversion. Therefore, the research of fine synthesis and bioconversion and its process coupling technology will play a decisive role in improving the production technology level of fine chemicals in our province and even in our country, reducing the environmental pollution and emission of toxic and hazardous substances, improving the level of safety in the production, and lowering the production cost.
This direction combines the modernization of engineering development dynamics to carry out the reaction separation coupling engineering and biological enzyme engineering research, formed with independent intellectual property rights and certain advantages of the chlorination reaction engineering technology combined with tower separation. The developed gas-liquid chlorination reaction-tower separation coupling engineering technology has been used in the industrialized production process of 1200 tons/year of m-dichlorobenzene, 600 tons/year of pharmaceutical-grade monochloroacetone and bis(trichloromethyl)carbonate (i.e., trichloromethyl). The reaction-column separation technology has also been successfully applied to the industrial production of 5000 t/a of pharmaceutical grade (odorless) 1,2-propanediol. Based on the principle of chemical reaction and the basic theory of mass transfer process, the isomolecular biphasic diffusion mass transfer process of organic gas-liquid chlorination reaction has been studied, and a new mass transfer (mathematical) model has been proposed and established. At present, the research on the separation and coupling engineering technology of toluene para-selective chlorination reaction and the synchronized saccharification and fermentation technology of immobilized microbial enzymes for the production of ethanol and lactic acid by using straw (cellulose) are underway.
In the synthesis of drugs and fine functional chemicals, we carry out research on the synthesis of surfactants as well as intermediates and other functional fine chemicals according to the market demand and domestic and international development dynamics, and conduct research on the synthesis of new methods and technologies for the synthesis of drugs in combination with the process research of generic drugs, and carry out research on the design of drugs, mainly the new structure drugs, such as the "me-too" drugs, and the design of drugs. New structure drugs, mainly "me-too" drugs, are designed and synthesized. We have formed a new technology method of synthesizing carbonate and isocyanate by three-photogas method with independent intellectual property rights and at the leading level in China, which has been used to synthesize polycarbonate, diphenyl carbonate, carbonate (4-nitrophenyl) ester and sulfonyl isocyanate, etc. The synthesis of sulfonyl isocyanate by three-photogas method has made significant contributions to the breakthrough of key production technology of sulfonylurea herbicides in our province and in our country. The synthesis of sulfonyl isocyanate has made significant contribution to the breakthrough of key production technology of sulfonylurea herbicides in our province and China. At present, the synthesis of functional products hydroxybutanone and its derivatives, the synthesis of biological method vanillin and fuel ethanol, the cell (enzyme) immobilization production of polymer drug dextran, the biosynthesis of anticancer drug lingzhihongxin, as well as the research on the design and synthesis of polymer pre-drug chemistries of non-water-soluble drugs and peptide drugs. This direction combines modern biotechnology with the basic principles of reaction-separation-coupling engineering, based on bio-enzyme engineering technology and reaction-separation-coupling engineering, and focuses on the research of immobilization methods to maintain the activity of microorganisms and enzymes in view of the characteristics of the biopharmaceutical process and the existing problems, as well as the study of microorganisms and enzymes with the help of engineering methods to synthesize drugs, and the bio-enzyme immobilization technology and methods developed have begun to provide technical support for the biopharmaceutical industry. The methodology developed for the immobilization of bio-enzymes has begun to provide technical support for the biopharmaceutical industry.
The main research content of this direction includes: chemical and biopharmaceutical process coupling engineering technology and application; synthesis of drugs and intermediates; pharmaceutical polymers and new drug dosage forms; application of microorganisms and their enzymes to the bioconversion of natural products; enzyme immobilization technology research; pharmaceutical engineering GMP design technology research.
In the research of immobilized enzyme production of dextrose anhydride, a new material and method of immobilization of enteromembranous Streptomyces sp. were formed and declared as national invention patents. The alginate-based composite material was used to immobilize Corynebacterium intestinalis to produce dextrose sucrase, and a new process of free enzyme synthesis of dextrose anhydride was introduced. Based on the formation mechanism of dextran synthesis, combined with the results of research on the influence of process engineering conditions on molecular weight size and step-by-step, the molecular weight regulation method of in situ fixed-length shearing by enzyme method was proposed. Combined with the reaction-separation-coupling engineering technology, the regulation of the production of clinically specific molecular weight dextran for clinical use was basically realized. The study on the enzymatic oxidation of Serratia marcescens and the degradation of easily degradable polyphenols/amines by hydrogen peroxide revealed that the enzymes that can catalyze the degradation of polyphenols/amines are extracellular enzymes, and basically clarified the mechanism of the enzymatic degradation and oxidation. The immobilized enzyme was used to realize the conversion of isoeugenol and the production of vanillin.
In order to solve the obvious irritating effect of aspirin in gastrointestinal tract and at the same time to prolong its residence time in the body, a polymer drug coupled with dextran-aspirin was synthesized by using a biopolymer-dextran as a carrier. The biodegradable biosoluble sustained-release drug was prepared by directly combining the drug and the polymer through chemical bonding, so that aspirin could be released from the polymer by hydrolysis or enzymatic reaction, and the dextran-aspirin-coupled polymer drug was intestinal-targeted due to the bioenzymatic degradability of dextran.
Taking Anhui authentic Tongling dandelion extract dandelion phenol as the active ingredient, creatively utilizing ice tablet and ice tablet inclusion with which to form a combination of sudden-release and slow-release all-natural daily antiseptic and antimicrobial agent, to provide a kind of environmentally friendly, human safety of the purely natural, highly effective, persistent new generation of antimicrobial and antifungal agent, has been declared a national invention patent.
In recent years, this direction has undertaken and completed a number of provincial and ministerial level and enterprise commissioned projects, such as: immobilized enzyme production of dextrose anhydride new technology application development (Anhui Economic and Trade Technology Project, 4.5 million); a class of new medicines, jinshuibao capsule secondary development of high-tech industrialization; fermentation method of production of vanillin; traditional Chinese medicine extraction engineering design research; traditional Chinese medicine extraction and preparation engineering design and research; safe and non-toxic mold inhibitor Research on safe and non-toxic anti-mold and anti-moth agent; GMP research on the production technology of ribonucleic acid of BCG. Anhui Province is a province rich in mineral resources, bentonite, bauxite, bumpy clay, serpentine, potassium feldspar, kaolin and other mineral reserves are very rich. However, the utilization rate of mineral resources in our province and even in the whole country is still low, and there is a lot of space for deep processing and comprehensive development and utilization. This direction since the "seventh five-year plan", in the National Natural Science Foundation, Anhui Provincial Science and Technology Tackle, Anhui Provincial Natural Science Foundation, the provincial key research, Hefei City, key research and other scientific research programs under the auspices of the relevant enterprises, especially for China's non-metallic minerals in Anhui Province, focusing on non-metallic minerals, physical and chemical properties, Deep processing technology and comprehensive utilization of new processes, the synthesis and application of mineral materials and other research.
In the past ten years, the typical achievements of this direction are:
(1) In the aspect of mineral fire-processing, we have obtained a new method of alumina mineral high-temperature rapid dehydration decomposition for the preparation of potassium sulphate and acid melting method for the separation of aluminium and silicon; we have established a new mechanism for the extraction of potassium by potassium feldspar, and developed a variety of new processes for the production of potash fertilizers and potash-containing composite fertilizers from potash feldspar.
(2) In the wet processing of bentonite, serpentine, kaolin and other minerals, we have obtained the new technology of activated acid leaching, which makes the processing process with low energy consumption, low consumption of raw materials, no environmental pollution, simple process, equipment and easy to industrialize, and basically realizes the characteristics of green processing.
(3) In the research of mineral processing thermodynamics, we have utilized the "Mineral Addition and Summing Technology" to express the complex silicate minerals as a possible combination of multiple simple compounds in the form of addition and summing, and introduced the theory of tree diagrams, and used the least-squares regression to estimate the standard Gibbs generation free energy of montmorillonite, serpentine, and other silicate minerals. Gibbs generation free energy, thus providing a basis for the thermodynamic analysis of the chemical processing of silicate minerals. In the study of mineral processing kinetics, the research focuses on the reaction model, reaction control steps, macroscopic kinetics and optimal design of the reactor of the main processing procedures of kaolin, serpentine, alunite and other minerals, which lays the foundation for the industrial design of the main equipment.
(4) Using modern instruments, it is found that the amorphous silica obtained from bentonite, serpentine and other minerals treated with inorganic acid has good functionality and remarkable reactivity, making it easy to be used for the synthesis of a variety of silica compounds, used as a variety of functional materials, and so on.
(5) In the use of non-metallic minerals to produce high value-added products, has developed a series of magnesium compounds, silicon compounds, aluminum compounds and other production technologies.
(6) In the synthesis and application of mineral materials, we have carried out research on the preparation and application of micro/mesoporous mineral materials - laminar column clay, etc.; and on the basis of in-depth research on its structure and properties, we have adopted the method of modifying the structure of laminar column clay by using active substances with a view to improving the properties of the laminar column clay so that it has better catalytic and adsorptive properties. better catalytic and adsorption properties.
The achievement of the above results has laid a solid foundation for the in-depth development and utilization of non-metallic minerals, and provided a technical guarantee for the development and utilization of mineral resources in the direction of environmentally friendly and sustainable development. At present, more than 60 related academic papers have been published, and the results have been valued by scholars at home and abroad.
Today, when human beings attach great importance to sustainable development, comprehensive utilization of resources is a very significant and urgent issue, which involves a lot of chemical, chemical and environmental problems in resource processing and utilization. This direction in the existing work, and strive to develop in the "Eleventh Five-Year Plan" period to become the comprehensive utilization of non-metallic minerals in Anhui Province research base, and is committed to strengthening the mineral resources, green processing technology, new applications and other aspects of research and development, so that the development and utilization of resources to the environmentally friendly and sustainable development direction. Separation engineering and technology is an important unit process of chemical engineering and technology, the core of downstream processing technology of chemical and biological engineering, and one of the hot research fields of international chemical industry. Separation and refining processes play an important role in chemical engineering, fine chemical industry, agricultural products processing engineering, food engineering and many other industrial fields. In-depth research on the separation and purification technology of chemical products and bioactive ingredients will help to transform China's rich biological resource advantages into economic advantages in time, which is of far-reaching significance to enhance international competitiveness and drive the scientific, rapid and sustainable development of related industries.
This research direction follows the frontier of international separation and refining engineering field, takes the industrial production process of chemical, petrochemical, light industry, pharmaceutical and biological industries as the research object, and focuses on the research of membrane separation, complex extraction, supercritical extraction, distillation, adsorption and separation and other new separation technologies and equipment, and also on the product molding and spray-drying, the integrated process of reaction-separation, the development of new functional chemicals, the design and development of chemical processes, and the development of new functional chemicals. In addition, the department has made a lot of promising achievements in chemical energy saving and heat exchange, environmental protection and other aspects of scientific research.
The department has published more than 100 research papers in famous academic journals at home and abroad, and has won one National Invention Award, one National Science and Technology Progress Award, six provincial and ministerial-level awards, and four utility model patents and invention patents. The research results have been popularized and applied in many enterprises, such as solvent plant tail gas separation and recycling project, ultrafine powder production plant membrane separation equipment, sharp curved jet micro-powder classifier, aminophenol production waste treatment, membrane treatment of alkaline grass pulp paper black liquor, oxalic acid plant design, natural medicine separation and refining. This direction is engaged in the research and development of chemicals related to automobiles and motor vehicles, involving the research of automotive plastics, automotive rubber, automotive water-based adhesives, automotive paints and coatings, automotive environmental testing, analysis and evaluation, analysis, testing and evaluation of automotive chemicals. The main research content of this direction includes:
The unification of automotive plastics: dozens of varieties of plastics used in automobiles, bringing more difficulties to the recycling of materials, thus raising the issue of the unification of the varieties of automotive plastic materials. Automotive modified polypropylene materials are summarized as low-temperature high impact type, high rigidity type, heat-resistant type, low warpage type and other major varieties, so that a variety of automotive use of more than 30 kinds of polypropylene materials as far as possible to unify. Through the development of several large varieties of development, reduce the development and recycling costs, with good economic and social benefits.
Development of automotive bumper special materials: automotive bumper is an important part of the process of automotive lightweight, and bears the role of beautifying the car body and improve the driving safety coefficient. The new bumper special material requires lower cost, better performance and recyclability, this direction in the development of masterbatch made a small breakthrough.
Development of automobile dashboard skeleton and skin materials: differentiate between different grades of car models and user needs, for a variety of needs to develop a high-quality automobile dashboard skeleton and skin materials. High-grade models can choose PC/ABS or PBT/ABS alloy materials for the skeleton; low and medium-grade models can choose PP skeleton materials, and low-grade models can choose rigid PVC primary molding skeleton materials. In the development of polyurethane for instrument panel skin material, we have accumulated rich development and research experience, and cooperated with Hefei Anli Polyurethane Group to develop the production formula and production process of new polyurethane artificial leather material.
POM, PA engineering plastics and its *** blend of modified products R & D: this direction in the POM engineering plastics flame retardant modification and abrasion resistance has done a lot of work, there are many academic papers published, once with the Flying Tiger Automobile has had a pleasant cooperation. In the PA *** mixed and glass fiber modified material development has rich experience.
Paint system: the overall development idea is to gradually improve the use of performance under the premise of the direction of environmentally friendly coatings. At present, in addition to the primer is mainly used in electrophoretic paint, other coatings main research directions are: water-based coatings; high solid coatings; ultra-high solid coatings; powder coatings; light-curing coatings. Coating additives as part of the fine chemical industry for the development of coatings has a very important role, combined with the development of coating special resins and coating systems, supporting the development of coating additives to form a complete system.
In-vehicle environmental testing, analysis and evaluation: automobiles use a large number of multiple types of interior materials, such as body materials, thermal insulation materials, engineering plastics, floor leather, adhesives, etc., the polymer materials used up to dozens of species, which contain certain toxic and hazardous substances. It has successfully completed the commissioned project of JAC, taken the lead in formulating the enterprise standard of air quality inside the automobile and passed the provincial appraisal, and is at the forefront of the domestic market in carrying out the environmental testing, analysis and evaluation of the inside of automobile trunks, devoting itself to figuring out the sources of pollution inside the trunks, and proposing measures and countermeasures to control the sources of pollution.