PLA biodegradable lunch boxes are made mainly of polylactic acid (PLA), a bio-based plastic made from biomass such as corn starch or sugar cane. The following is a detailed explanation of the materials used to make PLA degradable lunch boxes:
1.Source of materials: PLA materials mainly come from starch in crops such as corn, sweet potatoes, and sorghum. These crops are converted into polylactic acid through a specific biological fermentation and chemical synthesis process, and then used to make PLA biodegradable lunch boxes.
2.Biodegradability: PLA material has good biodegradability. In the natural environment, microorganisms can decompose PLA and eventually convert it into carbon dioxide and water, which is pollution-free to the environment. Therefore, lunch boxes made of PLA material can effectively reduce pollution to the environment.
3.Mechanical properties and thermal stability: In addition to being environmentally friendly, PLA material also has excellent mechanical properties and thermal stability. It can withstand a temperature range of -20°C to 60°C, meeting the needs of lunch boxes in daily use.
4.Application areas: Due to the excellent properties of PLA materials, it is widely used to make food packaging and catering supplies such as lunch boxes, cups, tableware, and packaging bags. In particular, my country used PLA biodegradable lunch boxes to make lunch boxes and tableware for athletes at the 2022 Winter Olympics.
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