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Polyolefin industry to discuss the new path of application technology development

2023/7/10

July 5-6, 2023 Polyolefin Additives Application Technology Development Conference and Antioxidants, Light Stabilizers, Nucleating Agents Application and Formulation Design Seminar was held in Songzi, Hubei Province. Leaders, experts and entrepreneurs from governmental departments, industry associations, scientific research institutes and the industry gathered to share the latest research results and application experience in the field of antioxidants, light stabilizers and nucleating agents applications, and to discuss in depth the They will share the latest research results and application experience in the fields of antioxidants, light stabilizers and nucleating agents, discuss in-depth the new path of plastic product design and formulation additives technology, and jointly promote the healthy and high-quality development of the plastic industry.

At present, China has built the world's largest, most complete process, the largest variety of raw materials in the polyolefin industry, the formation of raw materials - polymers - special materials - products - recycling of the industrial chain and innovation chain, China's polyolefin additives have also been accompanied by significant development, has become the world's largest producer of antioxidants, light stabilizers, nucleating agents and other additives. China Plastics Processing Industry Association Secretary General Jiao Hongwen introduced in May, China's plastic products industry summary statistics enterprises completed production of 6.301 million tons, down 3.33%; 1 ~ May, summary statistics of plastic products enterprises completed the cumulative output of 29.3502 million tons, down 2.05%. 5 months, plastic products exports of 8.56 billion U.S. dollars, a year-on-year decline of 10.2%; 1 ~ May, total exports of plastic products 42.8 billion U.S. dollars, an increase of 1.1%. From the export data, China's plastics industry foreign trade export enterprises will face greater challenges in the future.

"In recent years, polyolefin additives enterprises continue to solve the problem of raw material sources, their own supporting the main raw materials, to ensure stable production of products, and to have a multi-category general purpose additives series, special additives series, functional masterbatch and other integrated product development." Jiao Hongwen said, polyolefin additives enterprise product diversification, serialization, to participate in international competition to further enhance the strength and lay a solid foundation.

Jiao Hongwen suggested that the additives industry to strengthen the links with upstream and downstream industries, to maintain close communication, strengthen the product development with independent intellectual property rights, to attack the key key technologies, increase the high-end applications or special application requirements of the product aspects of the R & D efforts, as soon as possible to catch up with foreign manufacturers of the product categories and service levels. At the same time, we should do a good job of clean production, eliminating outdated processes and equipment, reduce emissions of three wastes, and do a good job of recycling industrial waste, in order to make due contribution to China's implementation of the Carbon Peak, Carbon Neutral Strategy.

China Plastics Processing Industry Association Plastic Additives Specialized Committee Secretary General Wang Wei pointed out that the polyolefin exists in the general product homogenization is serious, overcapacity, high-end applications in the field of product is small, with international competitiveness of the product is not much, part of the product relies on imports or completely imported and other issues. She believes that antioxidants, light stabilizers can effectively slow down the thermal oxidation of plastic materials and products, photo-oxidation and degradation, not only to improve the use of plastic products, effectively extend the use of plastic products, but also relatively reduce the extraction of natural resources, relatively reduce the resin production of energy consumption and emissions of three wastes. Nucleating agents can reduce the cycle time of polymers during melt processing, affect their physical properties, and increase the transparency of these materials. "These additives, using appropriate ratios and processes, will empower the high-performance, green, functional and intelligent development of polyolefin materials." Wang Wei said.

Li Jie, director of the Beijing Gacheng Auxiliaries Research Institute, pointed out that antioxidants and light stabilizers are additives added to plastic materials to effectively inhibit or reduce the thermal oxidation and photo-oxidation reaction rate of the macromolecules of the plastic materials, significantly improve the heat-resistant and light-resistant properties of the plastic materials, delay the degradation of the plastic materials, the aging process, prolong the service life of the plastic materials and products, keep the appearance of the plastic materials and products, color, and improve and maintain the value of the plastic products. Plastic products use value of the additives.

"Adding antioxidants and light stabilizers to plastic materials and products is only one of the ways to improve the stability of heat resistance, oxygen resistance and light resistance of plastic materials and products. The function of anti-heat and oxygen aging or heat stability is the basic function of general plastic materials and products stabilization, and the light stabilization function is the improvement function built on top of the basic function. Hindered amine light stabilizers have good thermal and oxygen stabilization and function, especially polymeric polymer hindered amine, hindered amine light stabilizers have limited role in the initial color protection of coloring plastic products." Li Jie said, domestic antioxidants, light stabilizers varieties, quantity, quality and use of performance, to meet the domestic petrochemical industry and plastics processing industry production and use of demand.

SINOPEC Catalysts Co., Ltd. Engineering Technology Research Institute is a senior engineer Shi Jian recognized that, although in recent years the development of a lot of new varieties of nucleating agents, but sorbitol acetal nucleating agent is still the most widely used nucleating agent, its excellent penetration effect is other types of nucleating agents can not be replaced. The improvement of this type of nucleating agent is focused on two aspects, on the one hand, the nucleating agent itself is modified to play the synergistic effect of different components to improve the comprehensive performance of the nucleating agent; on the other hand, it is the addition of the nucleating agent, the nucleating agent dispersion and masterbatch form, formulated into liquid form and nucleating agent and PP processing technology research. He said that it is certain that there is no better nucleating agent to replace sorbitol nucleating agent in the foreseeable future.

Ltd. is China's earliest production of sorbitol transparent nucleating agent enterprises, through scientific and technological research and technological innovation, the development of stiffening type polypropylene high transparent nucleating agent, in September last year by the China Petroleum and Chemical Industry Federation of the organization of the expert appraisal, the technology has reached the international leading level. Jingzhou City Bureau of Science and Technology party secretary, Secretary Hu Yingguo said that the company's production of NHS-9999 transparent nucleating agent, the realization of high-end nucleating agent localization alternative, the end of China's high-end transparent nucleating agent nearly 40 years of dependence on the import of the history of the city of Jingzhou, the 100-billion dollar chemical industry to help the high-quality development of the city.

The meeting was sponsored by the China Plastics Processing Industry Association, China Plastics Association Plastic Additives Specialized Committee, Songzi City People's Government, Songzi Economic and Technological Development Zone, Songzi City, Science and Economics Bureau, Hubei New South Chemical Science and Technology Co. During the meeting, polyolefin resin research institutions, production enterprises, technical experts and representatives of the exchange of interaction, representatives of the Lingang Industrial Park into Songzi City, visited the Hubei New South Chemical Technology Co., Ltd. and Songzi Stanley Yihua New Materials Technology Co.


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