济南塑料袋;多久才会无踪迹？

　　塑料袋降解后的产物主要取决于其材质和降解方式。以下是几种常见的降解塑料袋及其降解后的产物：

　　The products of plastic bag degradation mainly depend on its material and degradation method. The following are several common degradable plastic bags and their products after degradation:

　　物理降解 ：

　　Physical degradation:

　　市场上常见的降解塑料袋通常在原料中添加了淀粉，在填埋后，由于淀粉的发酵和细菌的分解，塑料袋会分解成细小甚肉眼看不见的碎片。

　　The commonly used biodegradable plastic bags in the market usually add starch to the raw materials. After landfilling, due to the fermentation of starch and the decomposition of bacteria, the plastic bags will decompose into small or even invisible fragments.

　　化学降解 ：

　　Chemical degradation:

　　可降解塑料在制造过程中加入了添加剂，如淀粉、变性淀粉、纤维素、光敏剂、生物降解剂等，使其在自然环境中更容易降解。

　　Degradable plastics are manufactured with additives such as starch, modified starch, cellulose, photosensitizers, biodegradable agents, etc., making them easier to degrade in the natural environment.

　　降解后的产物可能包括二氧化碳、水、无机盐等，但通常这些塑料在自然环境中的降解效果并不明显。

　　The products of degradation may include carbon dioxide, water, inorganic salts, etc., but usually the degradation effect of these plastics in the natural environment is not significant.

　　生物降解 ：

　　biodegradation:

　　完全可生物降解塑料袋的原料来自玉米、木薯、淀粉等，在自然环境中可以被微生物完全降解，终分解成上述的产物。

　　The raw materials for fully biodegradable plastic bags come from corn, cassava, starch, etc., which can be completely degraded by microorganisms in the natural environment and ultimately decomposed into the above-mentioned products.

　　快速降解技术 ：

　　Rapid degradation technology:

　　采用快速降解技术，使用易降解的高聚碳氢化合物和有机物制造塑料，以减少对环境的影响。

　　Adopting rapid degradation technology, using easily degradable high hydrocarbons and organic compounds to manufacture plastics, in order to reduce the impact on the environment.

　　全降解塑料袋 ：

　　Fully biodegradable plastic bags:

　　由PBT（聚对苯二甲酸丁二醇酯）、PLA（聚乳酸）和玉米淀粉合成的改性原料制成的袋子，在土壤中大约3个月可以完全降解。

　　A bag made from modified materials synthesized from PBT (polybutylene terephthalate), PLA (polylactic acid), and corn starch can be completely degraded in soil for about 3 months.

　　需要注意的是，尽管这些塑料袋在特定条件下可以降解，但它们通常需要特定的工业堆肥条件才能完全降解，而在自然环境中，这些塑料可能不会完全降解，其降解产物仍可能对土壤和水源造成影响。因此，减少使用一次性塑料袋和推广可降解塑料袋仍然非常重要

　　It should be noted that although these plastic bags can degrade under specific conditions, they typically require specific industrial composting conditions to fully degrade, and in the natural environment, these plastics may not fully degrade, and their degradation products may still have an impact on soil and water sources. Therefore, reducing the use of disposable plastic bags and promoting biodegradable plastic bags remain very important

　　本文由济南塑料袋为您提供，我们的网站是：http://www.jingmeisuliao.com我们将以全心全意的热情为您提供服务，欢迎您的访问！

　　This article is provided by Jinan Plastic Bag for you. Our website is: http://www.jingmeisuliao.com We will provide you with wholehearted enthusiasm and welcome your visit!