Facing the development trend and trends of the rubber industry, the project is published in the direction of industrial application prospects in the industry, focusing on the common problems, mechanism research and the solution of basic problems in the preparation process of new materials in the rubber industry. There are 11 open projects, and the implementation period is no more than 3 years.  

Topic 1: Research on simulation method and experimental method of rubber large deformation dynamic constitutive and limit condition

The macro and micro deformation behavior characteristics and mechanical evolution process of cross-linked rubber under external stress were studied. The computer analysis method and constitutive model of non-linear deformation behavior of cross-linked rubber under external stress were established. The mechanism of deformation and failure of rubber was analyzed by computer simulation of micro deformation behavior of rubber such as fracture, fatigue and friction.  

Topic 2: Study on rare earth catalyst, polymerization technology and properties of rare earth isoprene gum for synthesis of high CIS polyisoprene

The controllable synthesis technology of high CIS polyisoprene was studied. The effect of rare earth catalyst on the polymerization performance was investigated. The relationship between the structure and performance of polyisoprene was also investigated. It is required to develop rare earth catalytic system with high activity, high selectivity and suitable for production, and the CIS content of high CIS polyisoprene rubber should not be less than 98%.  

Topic 3: molecular structure and condensed state structure of vulcanized rubber

The changes of crosslinking bond density, crosslinking bond structure composition and content, filler aggregation structure and rubber filler condensed state structure of crosslinked rubber under different research systems, processing technology, storage methods and time and practical application conditions were analyzed. The effects of molecular structure, filler structure and surface characteristics of crosslinked rubber, and rubber filler interaction on physical properties of vulcanized rubber were analyzed influence.  

Topic 4: research and development of oil and low temperature resistant materials

The performance of several sealing materials under different temperature resistance conditions was studied, including solving the problem of low temperature resistance of fluororubber and silicone rubber, high temperature resistance of nitrile rubber, low temperature resistance of chloroprene rubber and low temperature elasticity improvement of acrylate rubber.  

Topic 5: Study on Microstructure and interaction mechanism of rubber and filler in wet mixing process

Based on the wet mixing technology, the surface treatment and modification of rubber fillers, the microstructure of rubber, the interaction of rubber fillers and the improvement of dispersion of rubber fillers are studied. It is required that the hysteresis loss of tires produced by this technology should be reduced by at least 60% while the wear resistance remains unchanged.  

Topic 6: Research on Key Technologies of intelligent tire

The project requires to solve the implantation methods and processes of active and passive pressure / temperature / RFID devices in tires, and carry out the research on demodulation technology and its evaluation platform under complex tire working conditions. Multi sensor technology integration and tire life cycle monitoring and analysis are realized.  

Topic 7: Research on region segmentation method of tire X-ray image

Develop and design the accurate segmentation method of tire region based on gray texture features of X-ray images, including: for various specifications of tire X-ray images, develop 0 ~ 4 belt layer, sub mouth wrapping, reverse wrapping accurate segmentation and edge extraction algorithm.  

Project 8: 3D structured light measurement system

Development and design of three-dimensional measurement system based on surface structured light, including: hardware selection and construction, research and development of high-precision (micron resolution) three-dimensional measurement system, which can use manipulator or turntable to measure the size of each part of the workpiece from various angles, and reconstruct the three-dimensional shape of the workpiece through three-dimensional splicing.  

Topic 9: Tire X-ray image defect detection in inconsistent environment

According to the X-ray images of different tire factories, using the statistical texture information, a general recognition algorithm is designed to quickly and effectively identify bubbles and impurities, and carry out region segmentation to quantify the shape and area information. Finally, the recognition algorithm achieves the error rate of less than 2%, and the miss rate of less than 1%.  

Topic 10: Research on positioning accuracy reliability of manipulator

Based on the fault physics and digital simulation method, aiming at the reliability problem of manipulator positioning accuracy, the quantitative analysis of reliability is carried out to determine the weak link, sensitive stress and rated monitoring parameters, so as to provide the basis for the improvement of manipulator positioning accuracy reliability. On this basis, the reliability verification test method of manipulator positioning accuracy is designed and tested, so as to provide a set of analysis and test methods for improving the reliability of manipulator positioning accuracy.  

Topic 11: Research on repeatability of test data of dynamic balance measurement system

Aiming at the problem of poor repeatability of test data in tire dynamic balance measurement system, based on DOE (Design for experiment), the sensitivity analysis of performance parameters of mechanical system and measurement system is carried out to find out the key factors affecting the measurement system, so as to provide the basis for the design and improvement of tire dynamic balance measurement system. On this basis, the repeatability test scheme of dynamic balance measurement system is designed and tested, so as to provide a set of analysis and test methods for the data repeatability of tire dynamic balance measurement system.