Network optimization data:

From the point of view of thermodynamics and kinetics, degradable materials are degradable. From the perspective of external factors, it can be divided into photodecomposed materials and biodecomposed materials, among which temperature, molecular weight and material structure are the main influencing factors.
 

Category.
 

According to the degradation of external factors, it can be divided into:
 

Photodegradable materials: sunlight degradation;
 

Biodegradable materials: through respiration or biochemistry, degradation of natural microorganisms such as bacteria, and ultimately decomposition into carbon dioxide and water;
 

Environmentally-decomposed substances: substances decomposed under natural conditions, such as light, heat, water, contaminant compounds, microorganisms, insects, mechanical forces, etc.
 

Lactic acid
 

PLA, also known as polypropylene lactide, is a product of microbial fermentation lactic acid as a monomer chemical synthesis of a product. It can be decomposed automatically without polluting the environment after use. Polylactic acid (PLA) can be processed into fibers and films with excellent mechanical properties that are basically the same strength as nylon fibers and polyester fibers. Polylactic acid can be hydrolyzed into lactic acid and acetic acid in organisms, and can be metabolized into CO2 and H2O by enzymes, and can be used as pharmaceutical raw materials.