Composition of plastic.baby nipple pacifier Factory

　　Plastic is a monomer as a raw material, through the addition of polycondensation or polycondensation reaction polymerization of macromolecules, its deformation resistance is medium, between fiber and rubber, by synthetic resin and filler, plasticizer, stabilizer, lubricant, color additive composition. The main component of plastic is resin.

　　Resin refers to polymer compounds that have not been mixed with various additives. The term resin was originally named after the lipids secreted by animals and plants, such as rosin, shellac and so on. Resin accounts for about 40% to 100% of the total weight of plastics. The basic properties of plastics are mainly determined by the nature of the resin, but additives also play an important role. Some plastics are basically composed of synthetic resins, with no or little additives, such as plexiglass. Plastic raw materials are defined as a synthetic or natural polymer that can be arbitrarily kneaded into various shapes and can finally maintain the shape of the material or plastic material products. Plastics are important organic synthetic polymer materials and are widely used. However, the "white pollution" caused by waste plastics is also becoming more and more serious, if we can understand the composition and classification of plastics in detail, not only can help us use plastic products scientifically, but also conducive to the classification and recycling of plastics, and effectively control and reduce "white pollution". Health hazards: plastic packaging materials have the advantages of light weight, high strength, good impact resistance, transparency, moisture, beauty, chemical stability, good toughness and corrosion resistance, etc., widely replaced metal, wood, paper, glass, leather, etc., therefore, plastic packaging has played an irreplaceable role in reducing China's resources and energy pressure. However, plastic packaging materials have a fatal weakness, that is, their natural degradation time is long, some as long as 100 years or more. Plastic is not easy to degrade, resulting in the long-term existence of its waste. Moreover, it is often discarded once consumed, so plastic packaging waste has become a more and more prominent environmental problem, forming the so-called "white pollution", which causes great pressure on the human living environment, therefore, the recycling of plastic packaging waste is imminent.

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