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Biodegradable environmentally friendly plastic bags help environmental protection

Biodegradable environmentally friendly plastic bags help environmental protection

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  • Time of issue:2021-06-30 09:41
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(Summary description)Since it is a biodegradable environmentally friendly plastic bag, it must be said about its degradation performance.

Biodegradable environmentally friendly plastic bags help environmental protection

(Summary description)Since it is a biodegradable environmentally friendly plastic bag, it must be said about its degradation performance.

  • Categories:Company news
  • Author:
  • Origin:
  • Time of issue:2021-06-30 09:41
  • Views:
Information
Since it is a biodegradable environmentally friendly plastic bag, it must be said about its degradation performance. The degradation process of dual-degradation technology products is mainly divided into two major steps. The first step is to use and discard the product under the stimulation of light, heat, oxygen and other conditions in the natural environment. , Under light/thermal oxygen degradation, apparently it appears to be broken, cracked, tensile strength decreased, inherently long-chain polyethylene fractured, molecular weight decreased, and oxygen-containing carbonyl groups appeared in the structure. This is a broken and crushed material that is not polyethylene in the true sense, causing changes in structure and molecular weight, and has become an oxygen-containing oligomer; in the first step, the product can be decomposed by environmental microorganisms in the natural environment. Water, carbon dioxide and soil organic matter. Because microorganisms can use substances with a molecular weight of less than 10,000, after the first step of degradation, the molecular weight of the product is reduced to less than 10,000, and at the same time it changes from hydrophobic to hydrophilic. The surface can be attached to the growth of microorganisms, which is also a carbon source, so it can be Break it down and return to nature.

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