PLA (polylactic acid) is a thermoplastic made from natural plant resources such as corn starch or sugar cane through a process of fermentation and polymerization. It has good transparency, gloss and certain mechanical strength, and also has the characteristics of complete biodegradation, which can be decomposed by microorganisms into water and carbon dioxide under specific conditions, without causing pollution to the environment. Therefore, PLA materials are widely used in the production of disposable tableware, food packaging film and other daily necessities.
Features
- Environmentally friendly: as one of the bio-based materials, PLA is derived from renewable resources, and its carbon emissions during production and use are much lower than those of traditional petroleum-based plastics; after disposal, it can be decomposed quickly under industrial composting conditions, which reduces the pressure on the natural environment.
- Safety: non-toxic and harmless, in line with food safety standards, suitable for direct contact with food packaging products.
- Excellent physical properties: with high tensile strength and heat resistance, it can meet a variety of packaging needs.
- Convenient processing: it can be manufactured into different shapes by injection molding, blow molding and other molding methods.
- Beautiful appearance: high transparency, smooth and delicate surface, giving people a sense of high grade.
Application
- food industry: used to make fruit and vegetable preservation bags, bakery products outer packaging, frozen food protective film, etc., not only to ensure the freshness of the contents and reduce the difficulty of waste disposal.
- daily necessities: such as cosmetic sample packaging, personal care products containers, etc., which not only reflects the brand's commitment to sustainable development but also increases the consumer's goodwill.
- medical and healthcare: due to its good biocompatibility and degradation properties, it has also been developed into medical materials such as surgical sutures and slow-release carriers for drugs.
- Agricultural mulch film: Utilizing its degradable nature in the soil, it replaces traditional PE mulch film, helping to solve the problem of white pollution and promoting crop growth.
- Express logistics: with the rapid development of the e-commerce industry, the large number of courier packages used to bring great pressure on the environment. Express bags made of PLA material are not only lightweight and convenient for transportation, but also easy to recycle or natural degradation, effectively alleviating this contradiction.
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