Nowadays, in the environment of green environment, more and more customers and consumers begin to pay attention to the environmental protection of bags, and begin to understand the green biodegradable bags, so how to distinguish between "pseudo-degradable" and "biodegradable"? Fully degradable"? First of all, we need to know what is pseudo-degradable bags and fully degradable bags.
Pseudo-degradable plastic bags are pseudo-degradable plastic bags, such as photodegradation, thermo-oxidative degradation, etc. Add a certain number of additives in the production process of plastic to reduce its stability, so that it is easier to decompose in the natural environment. Such plastic products can be decomposed, but not completely degraded. The petroleum-based products are organically decomposed by chemical reactions rather than microorganisms, so they cannot be completely decomposed into organic matter, but will break down into tiny pieces that enter the environment. These microplastics are ingested by animals and enter the food chain, and can eventually return to human society through the biosphere causing major problems.
So, is PE with starch considered pseudo-degradable? Strictly speaking, plastic products containing non-biodegradable polymers, such as PE, PP, PS, PVC, EVA, PET, etc., are non-degradable plastic products.
Fully biodegradable / compostable bags
Fully degradable bags are bags that can be completely degraded to water and carbon dioxide. Such fully degradable materials are mainly PBAT, PLA, PBS, PPC, PHA, PCL. For example, corn, cassava, etc. processed into lactic acid, that is, PLA. These polymers with good biodegradability, after use can be completely degraded by microorganisms in nature under specific conditions, and eventually generate carbon dioxide and water. They do not pollute the environment and are very beneficial for the protection of the environment. They are recognized as environmentally friendly materials.
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