What are the environmental advantages of Biodegradable Film & bag and the challenges in its practical application?

Environmental advantages of Biodegradable Film & bag
Biodegradability:
Biodegradable Film & bag can be decomposed into carbon dioxide, water and other natural substances under the action of microorganisms, thus avoiding long-term pollution to the environment.
For example, some biodegradable plastics such as bags made of polylactic acid (PLA) can be completely degraded in a relatively short time under certain conditions.
Reduce dependence on petroleum resources:
Traditional plastic bags are mainly made of petroleum resources, while biodegradable films and bags can be made of renewable resources such as corn starch, cellulose, etc., which helps to reduce the consumption of petroleum resources.
Reduce greenhouse gas emissions:
Since the biodegradation process mainly releases carbon dioxide and water, its environmental impact is much smaller than the greenhouse gases produced during the manufacture and incineration of traditional plastics.
Challenges in practical application
Cost issues:
Currently, the production cost of biodegradable films and bags is generally higher than that of traditional plastic bags, which increases the difficulty of their market promotion.
For example, the price of some biodegradable plastics may be several times that of traditional plastics.
Degradation condition restrictions:
The biodegradation process usually requires specific environmental conditions, such as temperature, humidity, microbial species and quantity, etc., which may be difficult to fully meet in the natural environment.
Therefore, in some cases, biodegradable films and bags may not be completely degraded, and may even cause certain pollution to the environment.
Performance issues:
Compared with traditional plastic bags, biodegradable films and bags may have deficiencies in certain properties, such as tensile strength, water resistance, heat resistance, etc.
This limits their application in certain fields, such as occasions that need to withstand heavier objects or high temperature environments.
Consumer acceptance:
Due to issues such as cost and performance, biodegradable films and bags may not be highly accepted by consumers.
Consumers may prefer traditional plastic bags with lower prices and better performance.
Market promotion and policy support:
In order to promote the application of biodegradable films and bags, joint efforts from the government, enterprises and all sectors of society are needed.
The government can encourage enterprises to develop and produce biodegradable plastic products by formulating relevant policies and providing financial support; enterprises can improve the competitiveness of products through technological innovation and cost reduction; all sectors of society can improve public awareness and attention to environmental issues through publicity and education.