Polylactic acid is a polymer obtained by polymerization of lactic acid as the main raw material. The raw material source is sufficient and can be regenerated.
The production process of polylactic acid is pollution-free, and the product can be biodegradable and realize the circulation in nature, so it is an ideal green polymer material. Polylactic acid (PLA) is a new type of biodegradable material, which uses the starch raw material extracted from renewable plant resources (such as corn) to make lactic acid through fermentation process, and then converts into polylactic acid through polymer synthesis.
1. Polylactic acid has excellent biodegradability, and can be completely degraded by microorganisms in the soil within one year after waste, generating carbon dioxide and water, and causing no pollution to the environment. Truly "from nature, return to nature"!
According to news reports, the global temperature will rise to 60 ° C in 2030, the treatment method of ordinary plastics is still incineration and cremation, resulting in a large number of greenhouse gases into the air, while polylactic acid is buried in the soil degradation, the resulting carbon dioxide directly into the soil organic matter or absorbed by plants, will not be discharged into the air, will not cause greenhouse effect.
2, polylactic acid is suitable for blow molding, injection molding and other processing methods, convenient processing, widely used. It can be used to process all kinds of food containers from industry to civil, packaged food, fast food lunch boxes, non-woven fabrics, industrial and civil fabrics. And then processed into agricultural fabrics, health care fabrics, rags, sanitary products, outdoor anti-ultraviolet fabrics, tent cloth, floor MATS, etc., the market prospects are very promising. It can be seen that its mechanical and physical properties are good.
3, the basic physical properties of polylactic acid (PLA) and petrochemical synthetic plastics are similar, that is, it can be widely used to manufacture a variety of applications. Polylactic acid also has a good gloss and transparency, and the use of polystyrene film is comparable to other biodegradable products can not provide.
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