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The reason why degradable packaging bags are widely used

by:XCBIO     2021-09-05
packaging plastic bags are biodegradable packaging plastic bags based on natural substances such as starch. At present, degradable packaging plastic bags mainly include the following products: polylactic acid, polyhydroxy fatty acid esters, starch plastics, bio-engineering plastics, and bio-general plastics (polyolefin and polyvinyl chloride). Due to its good degradability, degradable packaging bags are mainly used as soft and hard food packaging materials. The main target markets of    biodegradable packaging bags are plastic packaging films, agricultural films, disposable plastic bags and disposable plastic tableware. Compared with traditional plastic packaging materials, the cost of new biodegradable materials is slightly higher. However, with the increasing awareness of environmental protection, people are willing to use new degradable materials with higher prices to protect the environment. The increased awareness of environmental protection has brought great development opportunities to the new biodegradable products material industry. In addition to being widely used in food packaging, biodegradable products packaging bags have been further developed into industrial packaging, pharmaceutical packaging, building materials packaging, cosmetics packaging and other fields, and their application scope and prospects are becoming wider and wider.   The main source of fully degradable packaging bag materials is lactic acid after processing such as corn and cassava. Polylactic acid is a new type of biological matrix and renewable biodegradable material. The starch raw material is saccharified to obtain glucose, which is fermented with a certain strain to produce high-purity lactic acid, and then a certain molecular weight polylactic acid is synthesized by chemical synthesis. It has good biodegradability. After use, it can be degraded by microorganisms in nature under certain conditions, and then generate carbon dioxide and water. It does not pollute the environment and is beneficial to protect the environment. It is an environmentally friendly material.   Light-biodegradable packaging bag material refers to the incorporation of photosensitizers into plastics. The plastics gradually decompose in the sun. It belongs to the early biodegradable plastics. The disadvantage is that due to sunlight and climate change, the degradation time is difficult to predict, so the degradation time cannot be controlled. packaging bags refer to plastics that can be decomposed into low-molecular compounds under the action of microorganisms. It is characterized by convenient storage and transportation, as long as it is kept dry, does not need to be protected from light, and has a wide range of applications. It can not only be used for agricultural mulch and packaging bags. , Can also be used in the field of medicine. With the development of modern biotechnology, biodegradable packaging bags have received more and more attention and have become a hot spot for a new generation of research and development.   light/biodegradable products packaging bag is a kind of plastic that combines photodegradation and microbes, and has the characteristics of photodegradation and microbial degradation of plastics. Water-degradable packaging bag refers to adding water-absorbing material to plastic, which can be dissolved after being discarded in water. Mainly used for medical and sanitary appliances (such as medical gloves) for easy destruction. Tests have shown that most degradable packaging bags begin to become thinner, lighter, weaker, and gradually break into pieces after being exposed to the general environment for 3 months. If these fragments are buried in garbage or soil, the degradation effect is not good. The above explanation is the reason why biodegradable packaging bags are widely used. I hope that after reading it, it will be helpful to you. If you want to know more about degradable packaging bags, please contact customer service online or call our company's services. Hotline (upper right corner of the website) for consultation, we will wholeheartedly provide you with quality service!
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