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What is a degradable lunch box?

The country is now advocating environmental protection, and businesses are gradually replacing ordinary disposable lunch boxes with biodegradable tableware to reduce pollution. So what is a biodegradable lunch box? What are the main ingredients? The degradable disposable lunch box refers to the tableware that can be degraded into carbon dioxide and water. One of the material of the degradable lunch box is made of natural materials; the other is made of plastic as the main component, adding starch, photosensitizer and other substances. become.


1. What is a degradable lunch box?


The degradable lunch box refers to a lunch box that can undergo a biochemical reaction under the action of natural environment microorganisms (bacteria, mold, algae) enzymes, causing the appearance of mildew to the internal quality change, and finally the formation of carbon dioxide and water. The entire degradation process can be decomposed into harmless substances without human involvement, which is a very long process. It has recycling value, is convenient for recycling, or is convenient for sanitary landfill and high-temperature composting.


2. What are the main components of the biodegradable disposable lunch box?


There are two kinds of materials used: one is made of natural materials, such as paper products, straw, starch, etc., which are degradable and also called environmentally friendly products; the other is based on plastic as the main component, adding starch, photosensitizer, etc. Material made.

1. Degradable natural material lunch box

Disposable degradable lunch boxes made of natural materials are also called biodegradable lunch boxes. The biodegradable lunch box is a relatively advanced environmentally friendly product. It uses starch as the main raw material, adds annual plant fiber powder and special additives, and is processed by chemical and physical methods to make a biodegradable fast food box. Because starch is a biodegradable natural polymer, it is decomposed into glucose under the action of microorganisms, and finally decomposed into water and carbon dioxide. In addition, the material blended with it is also a fully degradable material, so it can be said that it has no impact on the environment. The main source of raw material starch can be corn, potatoes, sweet potatoes, cassava and other annual-growing plants. Naturally, biodegradable lunch boxes are not perfect. For example, most of the production materials are food crops, and the problems of anti-mildew have yet to be resolved.

2. Biodegradable plastic lunch box

The raw materials for this type of disposable lunch box are degradable plastics. The so-called degradable plastics are the addition of a certain amount of additives, such as photosensitizers, starch and other raw materials during the plastic production process. In this way, the degradable plastic products can be broken down into fragments from the complete shape after being used and discarded and exposed to nature for three months, thus at least visually improving the environment. But the biggest drawback of this technology is that these fragments cannot continue to be degraded. They just turn from large pieces into small pieces of plastic, which are not fundamentally competent to eliminate white pollution.

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