有哪些可降解材料可以代替塑料？

环保的话题一直热度不减，你知道有哪些可降解材料可以代替塑料吗？下面 可降解颗粒生产厂家为你分析：

The topic of environmental protection has always been hot. Do you know what biodegradable materials can replace plastics? The following manufacturers of degradable particles will analyze for you:

可降解材料，是指在一段时间内，可在太阳光、温度、水、化合物、真菌细菌等微生物，昆虫，机械力等自然环境条件下，被分解为二氧化碳和水等元素的材料。目前，市场上常见的有三类环保可降解材料。

Degradable materials refer to materials that can be decomposed into carbon dioxide, water and other elements under natural environmental conditions such as sunlight, temperature, water, compounds, fungi and bacteria, insects, mechanical forces and so on. At present, there are three types of environmentally friendly degradable materials in the market.

一、聚乳酸

1、 Polylactic acid

聚乳酸又称聚丙交酯，是以微生物发酵产物乳酸为单体化学合成的。使用后可自动降解，不会污染环境。

Poly (lactic acid), also known as polylactide, is chemically synthesized with lactic acid, a product of microbial fermentation, as a monomer. It can be degraded automatically after use and will not pollute the environment.

二、淀粉塑料

2、 Starch plastic

淀粉塑料，指在PP等塑料中添加一定量玉米淀粉、木薯粉、木粉、竹粉等，达到环保可降解的目的。含淀粉90%以上的淀粉塑料，添加的其他组份也是能降解的。

Starch plastic refers to adding a certain amount of corn starch, cassava powder, wood powder, bamboo powder, etc. to PP and other plastics to achieve the purpose of environmental protection and degradability. Starch plastics containing more than 90% starch can also be degraded by other components added.

三、光降解塑料

3、 Photodegradable plastics

光降解塑料是指在光的作用下能发生降解的塑料，通过化学合成或添加光敏剂获得。

Photodegradable plastic refers to the plastic that can degrade under the action of light, which is obtained by chemical synthesis or adding photosensitizer.

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