Nowadays, plastic bags have become a commonly used packaging tool in our daily life. However, although plastic bags are very convenient to use, their non-degradable characteristics still bring a lot of trouble to people. In order to solve this problem, many researchers are also trying to develop degradable plastic bags. Degradable plastic bags and fully degradable plastic bags are the products of today's green environment. So, what are degradable and fully biodegradable plastic bags? Next, let us find out together.

The first is degradable plastic bags. The reason why plastic bags are difficult to degrade in the natural environment is because their chemical structure is too stable, and degradable plastic bags are made by adding some additives during the production process to reduce the stability of plastic bags and make them more durable. It is easier to degrade in the natural environment. However, the degradation of this plastic bag is not complete, because the degradation of this plastic bag is not carried out by microorganisms in nature, but by chemical reactions. It cannot be completely decomposed into organic matter, but will form a lot of Plastic fragments enter the natural environment, and these small fragments are easily swallowed by organisms in nature, and finally, as they progress through the food chain, they are likely to return to human society.

Then there are fully degradable plastic bags. As the name suggests, this kind of plastic bag can be completely degraded in the natural environment, and finally turned into carbon dioxide and water. Therefore, this kind of plastic bag will not pollute the environment and is very conducive to environmental protection. The main source of fully degradable plastic bags is PLA (polylactic acid), which is generally processed from cassava and corn. But due to material limitations, the cost of this plastic bag is too high.

Compared with traditional plastic bags, these two kinds of plastic bags have obvious environmental protection effects, especially fully degradable plastic bags, but their production prices are still too high compared with traditional plastic bags, and they directly replace existing plastic bags. Some plastic bags are still not realistic. However, with the development of science and technology, it is believed that more environmentally friendly and relatively cheaper degradable plastic bags will appear.

The above are some of our views on degradable plastic bags and fully degradable plastic bags, thank you.