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Shi Xian Study 19 | Professor Chen Changkun of Central South University and Professor Shi Congling of China Academy of Safety Science and Technology: Study on the Synergistic Flame Retardancy and Smoke Suppression Effect of Carbon Nanoparticles and Intumescent Flame Retardants on TPU

Shi Xian Study 19 | Professor Chen Changkun of Central South University and Professor Shi Congling of China Academy of Safety Science and Technology: Study on the Synergistic Flame Retardancy and Smoke Suppression Effect of Carbon Nanoparticles and Intumescent Flame Retardants on TPU

release time:
2018-03-12
Most polymers have flammable properties and are liable to generate dense smoke during the combustion process. In general, the addition of traditional flame retardants tends to produce a large load on the processing and mechanical properties of polymers, the flame retardant efficiency is not high, and the smoke suppression performance is poor. Carbon-based materials have attracted much attention in recent years due to their low cost, abundant resources, light weight, high strength, and high modulus. A few carbon-based materials such as carbon nanotubes (CNTs), graphene, and carbon nanofibers (CNF), etc. It is often used in the industrial production of flame-retardant polymer composites. Professor Chen Changkun of Central South University and Professor Shi Congling of China Academy of Safety Science and Technology
Shi Xian Study 20 | Turkish researchers have discovered that ring-opening metathesis polymerization (ROMP) reactions can be used to prepare phosphorus-containing and phenyl copolymers for flame retardant polypropylene-IFR systems

Shi Xian Study 20 | Turkish researchers have discovered that ring-opening metathesis polymerization (ROMP) reactions can be used to prepare phosphorus-containing and phenyl copolymers for flame retardant polypropylene-IFR systems

release time:
2018-03-12
Professor Guralp Ozkoc of Kocaeli University, Turkey and Professor Tarik Eren of Yildes University of Technology have prepared novel 2-phenyl polymers containing phosphorus or phenyl groups, 3-phosphate polymers and 2phenyl groups through ring-opening metathesis polymerization. -3 phosphate copolymer, which is used in PP flame retardant, fully utilizes the environmental friendliness of polymerized flame retardants relative to small molecule additives, is easy to blend with other polymers, and is not easy to entangle from the polymer matrix, etc. Advantage. Researchers have prepared 2-phenyl polymers, 3 phosphate polymers and 2 by molecular design, ring opening, decomposition, polymerization, etc.
Shi Xian Study 12 | Professor Ni Xiuyuan of Fudan University: The environment of UV curable epoxy materials is unstable? Try loading polyol into clay nanotubes

Shi Xian Study 12 | Professor Ni Xiuyuan of Fudan University: The environment of UV curable epoxy materials is unstable? Try loading polyol into clay nanotubes

release time:
2018-03-05
UV-curable epoxy materials are widely used in the fields of coatings, electronics industry, and 3D printing technology. However, high flammability is one of the major problems with materials. During the combustion process, the photoinitiator remaining in the UV curing material can generate active free radicals, which accelerates the combustion degradation process of the polymer. Intumescent flame retardants are often used for the flame retardancy of UV-cured epoxy materials, but the disadvantage is that the polyol as a carbon source is too absorbent and affects the mechanical properties of epoxy materials. In response, Professor Ni Xiuyuan of Fudan University and his research team, Dr. Zhengcheng Cheng, adopted a method of loading polyol into clay nanotubes to effectively improve
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