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in biodegradable PLA stic bags PLA The application market has the most development potential

Among the raw materials of biodegradable PLA stic bags, polylactic acid ( PLA ) is known as one of the varieties with the most development potential, with biocompatibility, biodegradability and resource regeneration. PLA In the natural environment, its waste can be degraded through hydrolysis and a series of biological metabolic processes (6~12months) becomesCO2andH2O,TheseCO2andH2OIt can be used by PLA nts in photosynthesis to generate starch, and the generated starch can be reused to produce polylactic acid. Therefore, polylactic acid is not only an inexhaustible material, but also can reduce white pollution and save petroleum resources. , is a way to maintain the natural”carbon cycle balance”Therefore, the application promotion of biodegradable PLA stic bags is also energy saving, emission reduction and pollution reduction.With the continuous improvement of polylactic acid synthesis technology and the continuous reduction of production costs, it has gradually entered the field of civil engineering materials such as aircraft and automobile interior and exterior decoration from the field of biomedicine and daily necessities, and it currently has the largest market share. According to the latest research report on the chemistry of biodegradable PLA stics, polylactic acid currently accounts for about47%, it is very promising to become one of the substitutes for petroleum-based PLA stics, and biodegradable PLA stic bags are the best substitutes for ordinary PLA stic bags.However, some defects of polylactic acid hinder its further application, such as PLA It has weak heat resistance, is relatively easy to hydrolyze, has certain weaknesses in impact resistance and post-processing, and has a limited range of use, but with the improvement of the preparation level, these problems have gradually been solved. As a new age PLA stic material, PLA The application of the compound is becoming more and more mature. By mixing with other molecules, special properties can be obtained. PLA resin. Currently, the casing of a personal computer,3DPrinting, etc., all have great potential PLA application market.

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