济南可降解塑料袋的分类、材质、常见尺寸与适用场景

来源：/ 日期：2024-07-19

　　可降解塑料袋是指在一定条件下能够分解为较小的碎片，并终被微生物或自然环境所降解的塑料袋。

　　Degradable plastic bags refer to plastic bags that can decompose into smaller fragments under certain conditions and ultimately be degraded by microorganisms or the natural environment.

　　根据不同的材质和降解方式，可降解塑料袋可以分为以下几类：

　　According to different materials and degradation methods, biodegradable plastic bags can be divided into the following categories:

　　生物可降解塑料袋（Biodegradable Plastic Bags）：这种塑料袋通常由天然材料如淀粉、聚乳酸（PLA）、纤维素等制成，具有良好的生物降解性。它们能够在适当的环境中经过微生物作用而分解，终转化为二氧化碳、水和肥料。生物可降解塑料袋适用于一次性包装、轻负载物品的运输和垃圾袋等。

　　Biodegradable Plastic Bags: These plastic bags are typically made from natural materials such as starch, polylactic acid (PLA), cellulose, etc., and have good biodegradability. They can be decomposed by microbial action in appropriate environments and ultimately converted into carbon dioxide, water, and fertilizer. Biodegradable plastic bags are suitable for disposable packaging, transportation of lightweight items, and garbage bags.

　　光降解塑料袋（Photodegradable Plastic Bags）：这种塑料袋通过添加光敏剂，使其在阳光照射下发生分解。光降解塑料袋的分解速度取决于光照强度和时间，当暴露在阳光下一段时间后，它们会变脆并终分解为碎片。这种塑料袋适用于对生物降解性能要求不高的一次性包装和轻负载物品的运输。

　　Photodegradable Plastic Bags: These plastic bags decompose under sunlight by adding photosensitizers. The decomposition rate of photo degradable plastic bags depends on the intensity and time of light exposure. After being exposed to sunlight for a period of time, they will become brittle and eventually decompose into fragments. This type of plastic bag is suitable for the transportation of disposable packaging and lightweight items that do not require high biodegradability.

　　氧降解塑料袋（Oxo-degradable Plastic Bags）：氧降解塑料袋通过在塑料中添加特定的氧化剂使其具有降解性。这种塑料袋在受到氧化剂和热量的作用下，发生分解并终降解成较小的碎片。氧降解塑料袋适用于一次性包装、轻负载物品的运输和垃圾袋等。

　　Oxo degradable plastic bags: Oxo degradable plastic bags are made biodegradable by adding specific oxidants to the plastic. This type of plastic bag decomposes and eventually breaks down into smaller fragments under the action of oxidants and heat. Oxygen degradable plastic bags are suitable for disposable packaging, transportation of lightweight items, and garbage bags.

　　混合降解塑料袋（Blend Degradable Plastic Bags）：混合降解塑料袋是将多种可降解材料混合在一起制成的。通过利用各种材料的优势，实现更好的降解性能和强度。这类塑料袋的应用场景与其他类型的可降解塑料袋类似，适用于一次性包装、轻负载物品的运输和垃圾袋等。

　　Blend Degradable Plastic Bags: Blend Degradable Plastic Bags are made by mixing multiple biodegradable materials together. By utilizing the advantages of various materials, better degradation performance and strength can be achieved. The application scenarios of this type of plastic bag are similar to other types of biodegradable plastic bags, suitable for disposable packaging, transportation of lightweight items, and garbage bags.

　　对于可降解塑料袋，常见的材质包括但不限于：

　　For biodegradable plastic bags, common materials include but are not limited to:

　　淀粉基塑料：由淀粉为主要原料制成，能够与微生物相互作用而降解。

　　Starch based plastics: made mainly from starch and capable of degrading through interaction with microorganisms.

　　聚乳酸（PLA）：由玉米、甘蔗等植物原料提取制成，具有良好的生物降解性能。

　　Polylactic acid (PLA): extracted from plant materials such as corn and sugarcane, it has good biodegradability.

　　纤维素基塑料：使用纤维素作为主要原料，具有较高的生物降解性。

　　Cellulose based plastics: using cellulose as the main raw material, they have high biodegradability.

　　生物基聚合物：使用生物基原料如植物油或酒精制成，与传统塑料相比，其生产过程产生的温室气体较少。

　　Biobased polymers: Made from biobased materials such as vegetable oil or alcohol, their production process produces less greenhouse gases compared to traditional plastics.

　　常见的可降解塑料袋尺寸与适用场景包括：

　　Common sizes and applicable scenarios of biodegradable plastic bags include:

　　1、20 cm x 30 cm：这是较小的可降解塑料袋尺寸，适用于零食、文具、小件衣物等小型物品的包装。

　　1. 20 cm x 30 cm: This is a smaller biodegradable plastic bag size suitable for packaging small items such as snacks, stationery, and small clothing.

　　2、25 cm x 35 cm：这种尺寸的可降解塑料袋适用于轻负载物品如衣物、文具等的包装和运输。

　　2. 25 cm x 35 cm: This size of biodegradable plastic bag is suitable for packaging and transportation of lightweight items such as clothing, stationery, etc.

　　3、30 cm x 40 cm：适用于中等大小的物品，如书籍、文件夹、家居用品等。

　　3. 30 cm x 40 cm: Suitable for medium-sized items such as books, folders, household items, etc.

　　4、40 cm x 50 cm：适用于一些较大但不太重的物品如衣物、枕头、毛巾等。

　　4. 40cm x 50cm: Suitable for larger but not too heavy items such as clothing, pillows, towels, etc.

　　5、50 cm x 60 cm：更大的尺寸适用于装载大件商品如靠垫、床单、家居用品等。

　　5. 50 cm x 60 cm: The larger size is suitable for loading large items such as cushions, bed sheets, household items, etc.

　　需要注意的是，尺寸和适用场景会根据实际需求和要求而有所变化。可降解塑料袋的广泛应用可以减少对环境的污染，促进可持续发展。

　　It should be noted that the size and applicable scenarios may vary according to actual needs and requirements. The widespread use of biodegradable plastic bags can reduce environmental pollution and promote sustainable development.

　　然而，仍然需要注意正确的使用和回收处理，以充分发挥其优势。

　　However, it is still necessary to pay attention to proper use and recycling to fully leverage its environmental advantages.

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