Popular biodegradable plastic - polylactic acid

With the continuous improvement of environmental awareness and government support for renewable resources, biodegradable plastics, as an environmentally friendly material, are attracting more and more attention. Globally, the demand for biodegradable plastics is expected to maintain rapid growth in the next few years. It is predicted that by 2025, the global biodegradable plastics market will reach billions of dollars.

However, due to the current relatively high production costs of biodegradable plastics, market penetration still needs to be improved. However, with the continuous advancement of technology and the realization of large-scale production, it is expected that the cost of biodegradable plastics will gradually decrease in the future, further promoting its application in various fields.

Common applications of polylactic acid (PLA)

1. Food packaging: Polylactic acid is non-toxic and harmless to the human body and has unique advantages in the field of disposable tableware, food packaging materials and other disposable products.

2. Agricultural field: Polylactic acid mulch film has better biodegradability and can be quickly decomposed in the natural environment, and is used to make agricultural films, seed coatings, etc. For example, PLA fiber is used to make agricultural sunshade nets, which not only have a sunshade effect, but also can naturally degrade after the crops are harvested.

3. Biomedical field: This is the earliest application field of polylactic acid. Polylactic acid is highly safe for the human body and can be absorbed by tissues. Coupled with its excellent physical and mechanical properties, it can also be used in the field of biomedicine, such as disposable infusion tools, non-disassembly surgical sutures, drug relief packaging agents, and artificial fractures. Internal fixation materials, tissue repair materials, artificial skin, etc.

4. Textile field: PLA is environmentally friendly, skin-friendly, breathable, antibacterial, anti-mite, flame retardant, and non-moisture-resisting, and can be used to make clothing, home textiles and other products.

5. Energy field: used to make energy equipment such as biofuels and fuel cells. Such as biodiesel, bioethanol and other biofuels, fuel cell electrolyte membranes, etc.

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