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The Advantages of Environmentally Friendly Lunch Boxes and Biodegradable Plastic Meals

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Degradable plastics refer to plastics that add a certain amount of additives (such as starch, modified starch or other cellulose, photosensitizers, degradants, etc.) during the production process, and their stability is reduced, and they are easier to degrade in the natural environment.

The advantages are: environmental protection and sanitation—degradable plastics are generally considered to be plastics that can be decomposed into low-molecular substances by sunlight radiation or microorganisms in the soil. In addition to being degradable, it should also be easy to process and satisfy use Required performance.

The harmful effect of sunlight on polymer materials is the combined effect of ultraviolet light and oxygen, so it is called photo-oxidative degradation. Taking polyolefins as an example, photooxidation often causes chain scission or cross-linking of polymers, accompanied by the formation of oxygen-containing functional groups such as ketones, carboxylic acids, peroxides and alcohols. Its degradation mainly comes from the catalyst residues in the polymer, and the initiation of peroxides and carbonyl groups introduced during processing.

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