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Are biodegradable materials as recyclable as traditional plastics?

by:XCBIO     2021-08-26
In our living environment, plastic is commonly used. While plastic plastic bags made of plastic bring great convenience to human beings, they are also seriously polluting our living environment. The non-degradable plastic bag is not easy to degrade, even if buried in the ground, it will not rot for a hundred years. Not only will it affect the quality of the soil, but if it is thrown into the sea and allowed to eat by marine animals, it will cause them to die. The white pollution caused by plastic waste has become a headache for people at present. Everyone knows that traditional plastics can be recycled and reused, such as plastic bags, mineral water bottles, take-out boxes, and disposable paper cups. Are these used plastic products directly discarded by us and integrated with nature, or are they recycled for disposal? In other respects? As a traditional plastic, it is a plastic raw material that can be re-obtained after processing waste plastics through physical or chemical methods such as pretreatment, melt granulation, modification, etc., which is the reuse of plastics. Most plastic plastic bags currently available on the market are non-biodegradable thermoplastics, which can be recycled and reused. At present, there are more than 160 kinds of traditional plastics in common use, and biodegradable materials are one of them, and the current amount is relatively small. Currently, most biodegradable materials are PLA, that is, polylactic acid products, which are mainly derived from agricultural products. PLA is a biodegradable products material that can be completely degraded into low-molecular compounds under the action of natural microorganisms such as bacteria, molds and algae. The principle of PLA degradation is due to the unique molecular structure. PLA biodegradable material is different from traditional plastic materials. It will become slag after a certain period of time or in a slightly harsh environment. Even if it is discarded in the natural environment, it will degrade, and the lactic acid will be degraded after degradation. The oxidation continues to occur until it becomes carbon dioxide and water, which is the basic degradation process. This kind of material can be completely degraded, and the method of disposal is to throw it in the ground casually, so landfill or something is fine. From this point of view, the recycling of biodegradable materials is a very troublesome thing. The problem is that the cost after recycling may be higher than that of using new materials, which is why this material cannot be recycled. In addition to PLA biodegradable materials, there are some other biodegradable plastics. The degradation principles are not all chemical or biochemical degradation methods. Some are degraded by ultraviolet light, which is difficult to recycle. For example, a photodegradable plastic that is mixed with a light-mining agent to gradually decompose the plastic under sunlight; a water-absorbing substance is added to the plastic, and it can be dissolved in the water after being used up. It is mainly used for medical and sanitary appliances for easy destruction. Water-soluble materials processed by He Xiaodu; degradable materials like this kind will not be reused, and there is no way to recycle them! Through the above analysis, it is not difficult for us to understand that as biodegradable materials and products, when they are discarded to the outside world, they are generally different from traditional plastics that can be recycled, and its recycling is worthless. However, if leftovers and scraps remain in the production process, the waste materials can be processed through physical or chemical methods such as pretreatment, melt granulation, modification, etc., and then raw materials can be recovered, which is the reuse of degraded materials.
There are many issues that affect plastic granules suppliers, which has led to the need of getting specialists trained in certain areas so as to handle all issues that may arise as well as biodegradable products products that can solve biodegradable plastic bags manufacturing problems.
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biodegradable mulch film suppliers problems are nothing new, almost every one of us have to go through them at some point of our lives and some of us never get rid of them. with the development of biodegradable plastic production technology, now provides a perfect cure for that.
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