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[Jiuzhi Plastics News] With the development of the plastics industry and the continuous advancement of processing technology, the application of plastics is also expanding, and the variety of plastic additives is also increasing. It has become a fine chemical industry with many items.
The addition of plastic additives not only facilitates processing but also improves product performance, and also reduces costs and energy, while increasing productivity and enhancing the product value of the product.
For example, the processing temperature and decomposition temperature of polyvinyl chloride are very close. If heat stabilizer is not used, it cannot be processed, thus losing practical value. For example, polyvinyl chloride is a polar polymer, and the degree of molecular aggregation is high. Hard objects, if no plasticizer is added, can not be made into soft polyvinyl chloride; polystyrene is a brittle plastic, if no rubber material is toughened, it can not expand the scope of application; some polymers such as polychlorinated Ethylene and ABS, etc., in the process of processing, without the addition of lubricants, the fluidity is poor, the mold is easy to stick, the processing is difficult, and the product quality is inferior.
For example, without antioxidants and light stabilizers, polyethylene and polypropylene are easy to age when used outdoors, and the service life is greatly shortened; without flame retardants, reinforcing agents, static inhibitors, plastics cannot be used for aviation. aerospace. Departments of electronics, construction, transportation, etc.; without colorants such as dyes or pigments, plastic products lose the competitive value of goods due to a single color tone.
Therefore, the plastic auxiliaries not only make the polymer easy to process, but also largely compensate for the lack of the polymer itself, such as improving the performance of the product and prolonging the service life. Therefore, it is no exaggeration to say that without the cooperation of plastic additives, there will be no development of the plastics industry.