The main bio based materials for biodegradable packaging bags.flexible packaging film roll pouches manufacturer

Plastic bags can be seen everywhere, bringing convenience to our daily lives. It can be seen that our lives cannot do without plastic bags, but the environmental pollution caused by large-scale use cannot be ignored. Nowadays, people are increasingly concerned about the pollution caused by plastic bags. Plastic bags are also moving towards an environmentally friendly path. At present, the development trend of newly developed plastic packaging films at home and abroad is towards high efficiency, non-toxic, harmless, green and environmentally friendly, good quality, cheap price, and easy to use.

Biodegradable packaging bags have emerged, and they do not cause environmental pollution. Biodegradable packaging bags not only achieve convenience, but also protect the environment. At present, biodegradable packaging bags have not yet become popular, so we cannot help but understand biodegradable packaging bags!

The meaning of degradable packaging bags is that they can be degraded, but degradable bags can be divided into "degradable" and "total degradable". Degradable packaging bags refer to plastic packaging bags that are easily degradable in the natural environment after adding a certain amount of additives (such as starch, modified starch or other cellulose, photosensitizers, biodegradable agents, etc.) during the production process. In the process of declining stability. Fully degradable packaging bags refer to plastic packaging bags that degrade into water and carbon dioxide. The main sources of this fully biodegradable material are corn, cassava, and other products processed into lactic acid, known as PLA.

Polylactic acid (PLA) is a new type of nano biological and renewable biodegradable material. Starch is converted into glucose through saccharification, and then into high-purity lactic acid through fermentation with glucose and certain strains. It has good biodegradability and can be completely degraded by natural microorganisms under specific conditions after use. Carbon dioxide and water do not pollute the environment and are very beneficial for protecting the environment. They are environmentally friendly materials for workers.

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