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关于全降解材料应用领域的简析

关于全降解材料应用领域的简析

来源网址:https://www.swjjkl.com/ 2021-04-21 15:39:31    

生物降解材料以淀粉等天然物质为基础,主要包括聚乳酸(PLA)、膨润土改性淀粉复合材料(BMSC)、水溶性聚乙烯醇(PVA/PVOH)、聚羟基烷酸酯(PHA)等。

Biodegradable materials are based on starch and other natural materials, including polylactic acid (PLA), bentonite modified starch composite (BMSC), water-soluble polyvinyl alcohol (PVA / PVOH), polyhydroxyalkanoate (PHA), etc.
一、包装市场
1、 Packaging market
生物降解材料首先应用于包装市场,在包装材料中,一次性使用的商品包装和容器的用量很大,导致着越来越严重的“白色污染”。生物降解材料制成的食品袋、包装袋、垃圾袋以及各种包装容器等越来越受人们欢迎。
Biodegradable materials are first used in the packaging market. In the packaging materials, the amount of disposable packaging and containers is very large, which leads to more and more serious "white pollution". Food bags, packaging bags, garbage bags and various packaging containers made of biodegradable materials are more and more popular.
二、水域环境
2、 Water environment
水域环境中,废弃的渔网、渔船等废弃物无论对环境还是对海洋生物来讲危害都很大,也会影响人们健康。因此,生物降解材料在水域环境中应用更为迫切,该类降解材料要求废弃后可以在海洋微生物分泌酶的作用下,降解成为低分子化合物,参与微生物的新陈代谢,成为二氧化碳和水。
In the water environment, discarded fishing nets, fishing boats and other wastes do great harm to the environment and marine life, and also affect people's health. Therefore, the application of biodegradable materials in water environment is more urgent. This kind of degradation materials require that they can be degraded into low molecular compounds under the action of marine microbial secretase enzymes, participate in microbial metabolism, and become carbon dioxide and water.
三、农林领域
3、 Agriculture and Forestry
理想的农林业材料不仅不对环境产生危害,还能有益于土质。而无法降解的普通塑料膜在土壤中残留,不仅严重影响作物的产量、质量,还对土壤也造成了严重污染,并且清理困难,人工成本较高。这时,生物降解材料就能帮上大忙。主要用于地膜和作物生长容器。
Ideal agroforestry materials are not only not harmful to the environment, but also beneficial to the soil. But the ordinary plastic film which can not be degraded remains in the soil, which not only seriously affects the yield and quality of crops, but also causes serious pollution to the soil, and it is difficult to clean up, and the labor cost is high. At this point, biodegradable materials can help. Mainly used for plastic film and crop growth container.