Application prospects of non-woven bags
Abstract
This paper introduces the excellent characteristics of non-woven fabrics and non-woven eco-friendly bags. Through experimental comparison, it is known that non-woven eco-friendly bags are superior to ordinary plastic bags in terms of durability and degradation performance. Thus, the white pollution caused by ordinary plastic bags is reduced, and people's awareness of environmental protection is enhanced.
With the enhancement of people's awareness of environmental protection, the 'white pollution' caused by plastic bags has attracted the attention of various countries. Countries around the world have formulated regulations for shopping plastic bags to restrict or prohibit their use. Various mandatory policies and regulations related to China have been promulgated one after another. From June 1, 2008, the provision of free plastic shopping bags in major supermarkets across the country has been suspended [1]. How to carry out the development of alternative products that are beneficial to environmental protection and generally accepted by low-income groups has become a research hotspot to solve the problem of plastic bags. Among several substitutes, non-woven eco-friendly shopping bags are considered to be the best substitutes for plastic bags because of their short technological process, high output, fast variety changes, wide source of raw materials, long service life, and degradability. . This article mainly discusses the bursting strength and wear resistance of non-woven eco-friendly shopping bags, in order to advocate the use of eco-friendly bags, protect the earth and protect human beings.
1. Introduction of non-woven fabrics
1.1 The concept of non-woven fabrics
The production of non-woven fabrics breaks through the conventional textile processing principle and is a kind of non-woven fabrics. Textile materials formed without spinning and weaving can be formed by orienting or randomly arranging short fibers or filaments for textiles to form a web structure, and then reinforced by mechanical, thermal bonding or chemical methods.
1.2 Main properties of non-woven fabrics
Non-woven fabrics are made of filaments laid on each other to form a network, with high porosity, good light transmittance and strong moisture permeability , High air permeability, non-toxic and non-irritating characteristics; in addition, it can be recycled many times, degradable or recycled, and the texture is light, soft, elastic, corrosion-resistant, washable and so on. The production speed of non-woven fabrics is fast, the process flow is short, the cost is low, the output is high, the raw material sources and uses are wide, and the colors are rich.
1.3 Production process of non-woven fabrics
The production process of non-woven fabrics can be divided into: needle-punched non-woven fabrics, spunlace non-woven fabrics, wet-laid non-woven fabrics according to different processing technologies Non-woven fabrics, stitch-bonded non-woven fabrics, heat-bonded non-woven fabrics, melt-blown non-woven fabrics, spunbond non-woven fabrics, pulp air-laid non-woven fabrics, etc. Among them, non-woven environmental protection bags are mostly heat-sealed non-woven fabrics.
2. Characteristics of non-woven shopping bags
The plastic bags commonly used in daily life are not degradable, or the degradation years will take decades or even a few years. century. Due to the non-degradable properties of ordinary plastic bags, soil and groundwater are polluted. In addition, a complete plastic bag can only be used for garbage or directly thrown away after carrying the items from the supermarket to the residence, and there is still a serious waste problem.
The environmentally friendly shopping bags are safe and hygienic during use, and can be recycled many times; the shopping bags after use can be degraded, or can be recycled and reused.
3. Application Prospects
With the rapid development of China's economy and the continuous improvement of people's quality of life, people's awareness of environmental protection is increasing. The requirements of environmental protection and saving can be achieved by using non-woven environmental protection bags produced from natural fibers or degradable fibers. If polyamide fibers are added to the production of nonwovens, they can have better load-bearing capacity and durability. In addition, the non-woven bags that have been processed by water and oil repellent, antibacterial and easy decontamination are not easy to be stained by water and oil, and also have antibacterial properties, and it is more convenient to clean when necessary. After being folded and folded, the shopping bag is small in size, convenient to carry and store, and meets the requirements of repeated use. With the maturity of non-woven processing technology and the reduction of processing costs, non-woven environmental protection bags will have good application prospects.
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