Degradable protective film substrates are available

With increasing attention to environmental protection, degradable protective film substrates are gradually developed and applied. These substrates can be broken down into smaller compounds under certain conditions, reducing the impact on the environment.

The following are some of the current degradable protective film substrates:

1. PLA (polylactic acid): PLA is a biodegradable plastic, usually based on plant raw materials such as corn starch. It can be decomposed into water and carbon dioxide under certain environmental conditions and has little impact on the environment. PLA protective film is often used in food packaging, agricultural covering film, and other fields.
2. PBAT (polybutanediol succinate): PBAT is a synthetic biodegradable plastic, usually mixed with other bioplastics such as starch. It can be gradually broken down into small molecules in the natural environment, reducing plastic pollution. PBAT protective film is widely used in disposable items, packaging film, and other fields.
3. PHA (polyhydroxy fatty acid ester): PHA is a class of biosynthetic plastics that can be produced from microbial fermentation. It has good biodegradability and can decompose in soil and water bodies. PHA protective films are used in some agricultural and packaging applications.
4. Starch-based materials: Starch is a natural polysaccharide that can be used to make degradable plastics. Starch-based materials can be made into degradable protective films by doping, blending, and other methods, and they will decompose into smaller compounds in the appropriate environment.
5. Polycaprolactone (PCL): PCL is a synthetic plastic that has a relatively low degradation rate, but can also decompose under the right conditions. PCL protective films are used in the medical field and in some temporary applications.

These degradable protective film substrates can be gradually decomposed under the right conditions, reducing the ongoing impact on the environment. However, it is important to note that being biodegradable does not mean that these membranes can be arbitrarily discarded anywhere. They may need to be processed in specific treatment facilities to ensure proper degradation and resource utilization.

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