Degradable tableware refers to tableware that can undergo biochemical reactions under the action of microorganisms (bacteria, molds, algae) and enzymes in the natural environment, causing mildew in appearance to change in internal quality, and finally forms carbon dioxide and water.
Plastic bags are divided into two categories, one is ordinary plastic bags, which cannot be biodegraded; the other is degradable shopping bags, which are environmentally friendly shopping bags that will not cause any pollution or harm to the environment. Since non-degradable plastic bags will cause a lot of harm to the environment, people now prefer to use biodegradable plastic bags.
Degradable plastic bags are also called biodegradable shopping bags. They are made of materials extracted from plants such as plant starch and corn flour. These raw materials will not cause any harm to the human body and the environment.
The country produces hundreds of millions of tons of starch every year. It is one of many renewable and biodegradable resources, and has the advantages of wide sources and low prices. However, since natural starch has a microcrystalline structure and a granular structure, it does not have thermoplastic processing properties, and needs to be transformed into thermoplastic starch to have thermoplastic processing properties.
The use of degradable shopping bags can be disposed of by landfill. It only takes a period of time for the shopping bags to be degraded into biological particles and then absorbed by the soil. Degradable plastic bags not only will not have any impact on the environment, but can also be used as fertilizers for plants and crops to promote plant growth.
Therefore, the use of degradable shopping bags is now popular, and the use of non-degradable shopping bags is slowly decreasing. Non-degradable shopping bags will cause great harm to human health and the ecological environment.
The opposite of degradable shopping bags is non-degradable shopping bags. In fact, ordinary shopping bags can also be degraded, but it has been degraded for a very long time, as long as two hundred years. What’s more, the amount of plastic bags used in human society is so large now. If non-degradable plastic bags are used again, the ecological environment of the earth will become worse and worse.
People don’t have a good recycling method for shopping bag waste, either incinerate or landfill. No matter which method is used to dispose of non-degradable shopping bags, it will have an impact on the environment. For example, incineration will emit an unpleasant smell and produce a large amount of black ash; if it is disposed of in landfill, it will take hundreds of years for the earth to decompose plastic bags.
It is reported that a country uses 1 billion plastic bags every day to buy vegetables, and the amount of other plastic bags is more than 2 billion every day. It is equivalent to using at least 2 plastic bags per person every day. Before plastic restrictions, a country used about 3 billion plastic bags every day. After the plastic restriction, supermarkets and shopping malls have reduced the use of plastic bags by 2/3 through charging and other means.
The annual output of plastics is as high as 30 million tons, and the consumption is more than 6 million tons. If plastic bags are calculated based on 15% of the annual plastic waste, the annual plastic waste in the world is 15 million tons, and the annual plastic waste in China is more than 1 million tons, and the proportion of waste plastics in garbage accounts for 40%. More of the discarded plastic is buried in the ground as garbage, which undoubtedly puts more pressure on the already scarce arable land.
The whole world is facing the same problem, so the market prospect of biodegradable plastic bag products is not only limited to domestic, the market is so broad that it covers almost every corner of the earth. From the perspective of the overall trend, degradable plastic bags have gradually become a development trend. The increase in the price of plastic bags will prompt some people to use cloth bags for shopping. From this aspect, it is beneficial to the protection of the environment. In the next 3-5 years, it will quickly occupy the market and become a substitute for ordinary plastic products. According to industry forecasts, the demand for degradable plastics in the global packaging market will reach 9.45 million tons in 2023, with an average annual compound growth rate of 33%. It can be said that the degradable plastic packaging market has great potential for development.
As the country pays more and more attention to environmental protection, plastic bags that are used casually every day have caused serious problems and burdens to the environment. The demand for degradable plastic bags will continue to increase in the future.
Keywords: plastic bags, biodegraded, degradable shopping bags, environmentally friendly, non-degradable, biodegradable, plant starch and corn flour, renewable and biodegradable, recycling, plastic restriction, degradable plastics, degradable plastic packaging market, environmental protection
