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Why PLA is eco-friendly and widely used?
Plastic is a commonly used chemical raw material. Due to its diverse characteristics and processing methods, there are many and complex classifications. But among the many categories, have you heard of the noble plastic-PLA (polylactic acid)? PLA (polylactic acid) is known as a noble plastic, not because it has high or low prices like PP or ABS, but because of its raw materials.
PLA biodegradable plastic is a new type of plastic material. It comes from natural waste and returns to nature. Contrary to traditional plastics today, it is not made from limited petrochemical resources (petroleum), but uses renewable agricultural and sideline products. (Such as corn, potatoes, sugar beets, etc.) made of the proposed starch raw materials. Starch raw materials can be made into lactic acid through fermentation process, and then converted into polylactic acid through chemical synthesis. With the improvement of PLA polylactic acid production technology, the production cost of PLA bioplastics has also been greatly reduced.
PLA bioplastic has good degradability. After being discarded, it can be completely decomposed by microorganisms in nature to generate carbon dioxide and water, and return to nature without any pollution to the environment.
PLA biodegradable plastic has almost the same mechanical and physical properties as traditional plastics. It can be used in various processing methods such as blow molding and thermoplastic, and the processing is very convenient. At present, it has been used in various aspects of industry and agriculture. Commonly used degradable plastics such as food packaging, fast food lunch boxes, non-woven fabrics, agricultural fabrics, health care fabrics, wipes, sanitary products, outdoor UV protection fabrics, tent fabrics, floor mats, etc. .
At the same time, PLA biodegradable plastic has good compatibility and degradability, and is used in the medical field, such as disposable infusion equipment, non-dismantling surgical sutures, etc., low molecular weight PLA (polylactic acid) can also be used as a sustained-release drug package¼Á etc.
PLA (polylactic acid), this kind of different environmentally friendly noble material, will surely win the favor of more people with the continuous expansion of its application in life! ! !