The hottest research and development of plastic ad

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The research and development of plastic additives in China complies with the requirements of environmental protection and energy conservation. Behind the red scene of rapid expansion of market demand, cost pressure, environmental protection, policy adjustment, technical bottlenecks and other problems have brought difficulties to the development of the industry. A large variety of plastic additives add to the booming plastic industry, and play an important role in toughening, strengthening, plasticizing, flame retardant, antistatic, antibacterial, antioxidant and other aspects of plastic products, Received more and more attention. With the development of plastic industry, the quality and performance of additives are constantly improving

the total consumption of plastic additives in China exceeded 2.5 million tons in 2007, with a rapid growth rate of 10%. However, behind the hot scene of rapid expansion of market demand, cost pressure, environmental protection, policy adjustment, technical bottlenecks and other problems have brought difficulties to the development of the industry. How can the plastic additives industry seek sustainable development? This is what many experts thought at the 2008 second plastic additives seminar and supply and demand conference held recently

lagging research and development is an urgent need. The technical strength of China's plastic additives enterprises is not strong, and the development progress of new products is slow, mainly independent research and development by manufacturers. In terms of product development, imitation is a common and prominent problem in China. Enterprises are unwilling to invest a lot of manpower and financial resources, and the research and development work is seriously lagging behind. Products are mainly general-purpose and low-end, with low added value and unstable quality. Many high-end additives needed by the market rely on imports

take the plasticizer industry as an example, more than 500 kinds of plasticizers have been successfully developed in the world, and more than 100 varieties have been commercialized, while China is currently able to produce less than 30 varieties, which is far from it. At the same time, downstream product manufacturers are reluctant to use high-performance new varieties due to cost problems. For example, the relevant departments used in wire and cable products have held eight coordination meetings in a short period of two months. Dioctyl phthalate and trimethyl octyl phthalate in packaging film products have not been widely used, although they have excellent performance, which has affected the development of new products

it can be said that whoever takes the lead in owning new additives will occupy the high-end market of plastic products. Some domestic plastic additives enterprises and scientific research institutions have realized this, increased technological innovation, and constantly introduced new varieties. Among them, the nucleating agent developed by Yangzi Petrochemical Research Institute and other units, the rare earth series additives with resource advantages jointly developed by Chinese Academy of Sciences and Guangdong weilinna and other units, and the environmental friendly organic calcium composite liquid stabilizer developed by Hangzhou Sanye additives are all at the world's advanced level

technological innovation complies with the requirements of environmental protection and energy conservation.

Chen Yu, vice president of Beijing Research Institute of chemical industry, believes that compared with the past, environmental protection and energy conservation have become the prerequisite for the development of plastic additives. Many new functional additives must reflect the basic principles of environmental protection and energy conservation in order to specifically consider their functionality, efficiency, diversity, field scalability and other requirements

for example, the focus of new product development is to avoid or reduce the use of heavy metals in the production process of polyvinyl chloride (PVC) heat stabilizers. For traditional heat inspection bureaus with toxic or potential hazards, it is suggested that plastic exports need to avoid new risks, and stabilizers achieve a comprehensive functional substitution of non-toxic and harmless

at present, the rare earth calcium zinc product formed by using China's unique rare earth resources and combining with calcium and zinc has a good thermal stability effect. It is a new non-toxic and harmless heat stabilizer

among light stabilizers, the market sales of hindered amine light in 2014 was 72.3 billion yen (3.8 billion yuan). Stabilizer (HALS) is the most studied and fastest-growing variety, but its R & D trend can be summarized as: non-toxic polymer quantification; Low alkalinity and low reactivity, such as alkoxylation products of Ciba Specialty Chemical Company; Compounding, giving play to synergy on the basis of complementary functions, such as the high-efficiency composite weathering technology of Beijing Huateng engineering new materials company

in terms of antioxidants, the development of antioxidants that can resist heat and oxygen aging under high temperature environment will directly have a great impact on the existing market. In the process of processing and application, in order to prevent the harm of dust to human body, dust-free particle technology has also been applied to antioxidant and other powdery solid additives by many enterprises. Among plasticizers, phthalate esters (DEHP), which currently occupy the main position, have caused widespread controversy about the damage to some functions of human body. It is urgent to find a substitute for DEHP

other additives, such as flame retardants, antistatic agents, antibacterial agents, deoxidizers, nucleating agents, degradants, plastic recycling additives and other functional additives, are increasingly used in plastics. Driven by active technology research and development, related industries are gradually growing

industry standards need to be updated. Under the situation of increasingly stringent international environmental protection standards, some traditional plastic additives have high performance, but their future prospects are bleak because of their high-risk harmfulness. These products account for a large share in both variety and quantity in China's plastic additives industry. Many small-scale enterprises only focus on regional operations and lack sufficient attention to the newly issued laws and regulations. At the same time, traditional additives such as plasticizers, stabilizers and antioxidants have been using the industry standards formulated many years ago, which are difficult to adapt to the new requirements and restrictions of international environmental protection and restrict the healthy development of the industry, so they need to be revised urgently

fanyongxiang, an expert from the Institute of nutrition and food safety of the Chinese Center for Disease Control and prevention, said that relevant national departments and industry associations have begun to solve this problem, and the formulation and revision of new standards will also meet the needs of international trends

as people pay more and more attention to their own safety and health, closely related food safety issues have also attracted much attention. The relevant standard gb9685 for processing aids for food packaging materials, which is being revised by the state, has passed the examination and submitted for approval, and the notification procedure will be completed before May 1. This standard has made clear and strict requirements for the types, use principles, maximum usage, residue and migration of additives used in food containers and packaging materials. At that time, plastic products and additives used in the food packaging industry will have standards to follow, which is conducive to the orderly and healthy development of the market

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