方便袋的定義與材質(zhì)

來源：http://lihot.net/ 日期：2024-10-04

方便袋，也常被稱為塑料袋或購物袋，是日常生活中常見的包裝物之一。其主要材料是聚乙烯薄膜，這種材料無味，常被用于盛裝食品，如西點、白糖、茶葉、干貨等。

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.

方便袋的優(yōu)勢

The advantages of convenience bags

便攜性：無論是購物、野餐還是旅行，方便袋都能提供便利的包裝和攜帶解決方案。

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

保護性能：可以有效地保護物品免受污染、損壞或丟失。例如購物時能避免灰塵和污垢附著在商品上，減少商品間的摩擦和碰撞。

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：相比于其他包裝材料，成本較低，商家可降低包裝成本，消費者也能以較低購買到實用的包裝產(chǎn)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）：隨著意識增強，越來越多的方便袋采用可降解或可回收材料制成，有助于減少塑料污染，促進資源循環(huán)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

購物：在、等購物場所廣泛用于裝載購買的商品，方便消費者攜帶回家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.

儲存物品：可用于儲存各種物品，像衣物、書籍、玩具等，能防潮、防塵，保護物品不受損壞。

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.

垃圾處理：可以作為垃圾袋使用，收集和處理家庭或辦公室的垃圾，因其結(jié)實能容納大量垃圾。

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：戶外活動中，可將手機、相機等電子設(shè)備方便袋中防止受潮或進水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.

臨時容器：野餐或露營時，用來裝載食物或飲料。

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

四、方便袋的制造工藝

4、 Manufacturing process of convenience bags

加熱融化：將塑料顆粒放入擠出機的料斗中，加熱并融化塑料，形成熔融狀態(tài)。

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

擠壓成膜：使用擠出機將熔融塑料通過模板擠壓成膜狀，過程中可調(diào)整模板形狀和大小，以生產(chǎn)不同尺寸和形狀的方便袋。

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.

印刷處理：根據(jù)需要，在薄膜表面采用凸版印刷、凹版印刷等技術(shù)進行印刷處理，將圖案、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：將印刷好的薄膜進行裁切，形成方便袋的基本形狀，然后通過折疊、封口等工藝，制成終的方便袋產(chǎn)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.

檢驗包裝：制袋完成后，進行產(chǎn)品質(zhì)量檢驗，確保產(chǎn)品符合質(zhì)量要求，將產(chǎn)品進行包裝，以便于儲存和運輸。

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

輕便與易攜帶：設(shè)計輕巧，可以輕松地放在口袋、手提包或購物籃中，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：用途非常廣泛，除購物外，還可存放手機、錢包、鑰匙等小物品，戶外活動中可作為防水防潮工具。

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.

與可循環(huán)利用（部分）：一些方便袋采用可降解或可回收材料，對環(huán)境友好且可循環(huán)利用，減少資源浪費。

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

經(jīng)濟實惠：通常比一些其他包裝材料更加實惠，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.

定制與個性化：許多方便袋支持定制，可以根據(jù)個人喜好或需求進行印刷、染色或添加圖案，滿足不同人群的審美需求。

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、方便袋存在的問題

6、 Problems with Convenience Bags

由于主要成分是聚乙烯，在自然環(huán)境中很難降解，是白色污染的主要來源之一。

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.