方便袋的定义与材质

来源：http://www.sztensun.com/ 日期：2024-10-04

方便袋，也常被称为塑料袋或购物袋，是日常生活中常见的包装物之一。其主要材料是聚乙烯薄膜，这种材料无味，常被用于盛装食品，如西点、白糖、茶叶、干货等。

Convenience bags, also commonly known as plastic bags or shopping bags, are one of the common packaging materials in daily life. Its main material is polyethylene film, which is non-toxic and odorless. It is often used to hold food such as pastries, sugar, tea, dry goods, etc.

方便袋的优势

The advantages of convenience bags

便携性：无论是购物、野餐还是旅行，方便袋都能提供便利的包装和携带解决方案。

Portability: Whether shopping, picnicking, or traveling, convenience bags can provide a convenient packaging and carrying solution.

保护性能：可以有效地保护物品免受污染、损坏或丢失。例如购物时能避免灰尘和污垢附着在商品上，减少商品间的摩擦和碰撞。

Protective performance: It can effectively protect items from contamination, damage, or loss. For example, when shopping, it can prevent dust and dirt from adhering to products, reducing friction and collision between products.

成本效益：相比于其他包装材料，成本较低，商家可降低包装成本，消费者也能以较低购买到实用的包装产品。

Cost effectiveness: Compared to other packaging materials, the cost is lower, businesses can reduce packaging costs, and consumers can also purchase practical packaging products at lower prices.

性（部分方便袋）：随着意识增强，越来越多的方便袋采用可降解或可回收材料制成，有助于减少塑料污染，促进资源循环利用。

Environmental friendliness (some convenience bags): With the increasing awareness of environmental protection, more and more convenience bags are made of biodegradable or recyclable materials, which helps reduce plastic pollution and promote resource recycling.

方便袋的用途

The purpose of the convenience bag

购物：在、等购物场所广泛用于装载购买的商品，方便消费者携带回家2。

Shopping: It is widely used in supermarkets, shopping malls and other shopping places to load purchased goods, making it convenient for consumers to carry them home.

储存物品：可用于储存各种物品，像衣物、书籍、玩具等，能防潮、防尘，保护物品不受损坏。

Storage items: can be used to store various items such as clothing, books, toys, etc., can prevent moisture and dust, and protect items from damage.

垃圾处理：可以作为垃圾袋使用，收集和处理家庭或办公室的垃圾，因其结实能容纳大量垃圾。

Garbage disposal: It can be used as a garbage bag to collect and dispose of household or office waste, as it is sturdy and can hold a large amount of garbage.

防水防潮：户外活动中，可将手机、相机等电子设备方便袋中防止受潮或进水2。

Waterproof and moisture-proof: During outdoor activities, electronic devices such as mobile phones and cameras can be conveniently stored in bags to prevent moisture or water ingress.

临时容器：野餐或露营时，用来装载食物或饮料。

Temporary container: used for loading food or drinks during picnics or camping.

四、方便袋的制造工艺

4、 Manufacturing process of convenience bags

加热融化：将塑料颗粒放入挤出机的料斗中，加热并融化塑料，形成熔融状态。

Heating and melting: Place plastic particles into the hopper of the extruder, heat and melt the plastic to form a molten state.

挤压成膜：使用挤出机将熔融塑料通过模板挤压成膜状，过程中可调整模板形状和大小，以生产不同尺寸和形状的方便袋。

Squeezing into a film: Using an extruder to extrude molten plastic into a film shape through a template, the shape and size of the template can be adjusted during the process to produce convenient bags of different sizes and shapes.

印刷处理：根据需要，在薄膜表面采用凸版印刷、凹版印刷等技术进行印刷处理，将图案、文字等印刷到薄膜上。

Printing processing: As needed, printing techniques such as relief printing and gravure printing are used on the surface of the film to print patterns, text, etc. onto the film.

裁切制袋：将印刷好的薄膜进行裁切，形成方便袋的基本形状，然后通过折叠、封口等工艺，制成终的方便袋产品。

Cutting and bag making: Cut the printed film to form the basic shape of a convenience bag, and then use folding, sealing and other processes to make the final convenience bag product.

检验包装：制袋完成后，进行产品质量检验，确保产品符合质量要求，将产品进行包装，以便于储存和运输。

Packaging inspection: After bag making is completed, product quality inspection is carried out to ensure that the product meets quality requirements. Finally, the product is packaged for storage and transportation.

五、方便袋的特色

5、 Features of Convenience Bags

轻便与易携带：设计轻巧，可以轻松地放在口袋、手提包或购物篮中，方便取用。

Lightweight and easy to carry: Designed to be lightweight, it can be easily placed in a pocket, handbag, or shopping basket for easy access.

多功能性：用途非常广泛，除购物外，还可存放手机、钱包、钥匙等小物品，户外活动中可作为防水防潮工具。

Multifunctional: It has a wide range of uses, besides shopping, it can also store small items such as mobile phones, wallets, keys, etc. It can be used as a waterproof and moisture-proof tool during outdoor activities.

与可循环利用（部分）：一些方便袋采用可降解或可回收材料，对环境友好且可循环利用，减少资源浪费。

Environmental protection and recyclability (partially): Some convenience bags use biodegradable or recyclable materials, which are environmentally friendly and recyclable, reducing resource waste.

经济实惠：通常比一些其他包装材料更加实惠，在日常生活中更普及。

Economical: The price is usually more affordable than some other packaging materials and is more common in daily life.

定制与个性化：许多方便袋支持定制，可以根据个人喜好或需求进行印刷、染色或添加图案，满足不同人群的审美需求。

Customization and Personalization: Many convenience bags support customization and can be printed, dyed, or patterned according to personal preferences or needs to meet the aesthetic needs of different groups of people.

六、方便袋存在的问题

6、 Problems with Convenience Bags

由于主要成分是聚乙烯，在自然环境中很难降解，是白色污染的主要来源之一。

Due to its main component being polyethylene, it is difficult to degrade in natural environments and is one of the main sources of white pollution.