What are the Materials for Biodegradable Protective Films?

There are several types of materials for biodegradable protective films, including:

1. Bio-based plastics: Bio-based plastics are made from biomass resources and are biodegradable, such as starch-based plastics, polylactic acid (PLA), etc. These materials can undergo microbial degradation in suitable environmental conditions, reducing their impact on the environment.
2. Oxodegradable plastics: These plastics undergo degradation when exposed to oxygen by adding specific oxidizing agents. Common examples include biodegradable films made from polypropylene (PP) and polyethylene (PE).
3. Blended materials: Blending biodegradable materials with traditional plastics to form a composite material with biodegradable properties. This mixture combines biodegradable components with non-biodegradable components to enhance degradability.
4. Polyester-based materials: Some polyester-based materials, such as polycaprolactone (PCL), polybutylene adipate terephthalate (PBAT), etc., can undergo degradation under specific conditions.

It is important to note that different biodegradable materials may differ in terms of degradation speed, degradation method, and durability. When choosing biodegradable protective film materials, it is essential to consider specific application requirements, usage environment, and biodegradability performance comprehensively.

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