Only love cotton? Please do not have a bias of chemical fiber fabrics

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Textiles are inseparable from the clothes of the clothes, home supplies, and daily life. In the purchase, the majority of consumers will have a very important judgment standard in addition to the color and style, which is the material. In general, natural materials such as silk, cotton, hemp, and moir are very popular, corresponding to chemical fiber and artificial materials such as silk, Jin, adhesive, often disappeared.

What is the advantage of pure natural fabrics? Is chemical and artificial fibers really bad? These inherent concepts, is this changed?

In fact, whether natural fibers, chemical fibers, and artificial fibers, have their own advantages and disadvantages. The blended fabric is a combined advantage of different fibers, and the extraction of each other is more advanced. When we use clothing, the most correct way is to select textiles of different materials based on the needs of the use scenario.

The difference between natural fiber and chemical fiber

The most basic unit of textile is fiber, classified according to source, and textile fibers are divided into natural fibers and chemical fibers.

Natural fibers provide the initial shaders and cold materials for human development. In the Indian secondary continent in 5,000 years ago, people began to use cotton fiber spinning wire; the ancient Egyptian period in the Nile River Basin, linen is widely planted in humans, used to make clothing; my country’s labor people have been in 5,000 years ago , Silkworm, draw, woven, and form a unique silk dress culture.

At present, cotton fibers, hemp fiber, fabric fiber and silk fiber (short-known cotton silk) are still the main natural material for everyday costumes and textiles. These natural materials have their own advantages, but there is also a certain defect.

Different from animals and plants from nature give human natural fibers, chemical fibers are fibers made by chemical methods.

Chemical fibers can be divided into: chemical synthetic fibers, artificial fibers (usually referred to as regenerated fibers), inorganic fibers.

The history of chemical fibers is only more than 100 years. The first chemical fiber in human invention is a viscose fiber in 1893. Its success and quickly enlarged the family of chemical fibers.

How should we distinguish between the famous artificial fiber name very “academic”? It is very simple. Fibers that are ending with “libraries” in the purchase of textiles and clothing are generally chemically synthetic fibers. For example, polyester, nylon, acrylic, spandex, polypropylene, etc. Synthetic fibers are a raw material with a small molecule, a organic polymer compound synthesized by a polymerization reaction or a polycondensation reaction. The source of most of the synthetic fibers is extracted from the oil and petrochemical system through layer extraction and separation, and the small molecule organic compound required to produce such fibers is obtained.

Chemical synthetic fibers with petroleum raw materials are sometimes referred to as “petroleum-based fiber”. From production, synthetic fibers are the largest categories in chemical fibers and even the entire textile fiber family. In 2019, my country’s synthetic fibers reached more than 54 million tons, accounting for 92.8% of chemical fiber family; while my country’s cotton output was 5.9 million tons, and silk production was only 68,000 tons.

Artificial fibers are raw materials with natural polymer compounds such as cellulose and proteins, which are chemically processed into a polymer concentrate, and then fabric fibers prepared by spinning and post-treatment. Regeneration fibers are often referred to as “artificial fibers”, the most common regenerated fibers in clothing have viscose fibers (also known as artificial wire or artificial cotton), modal fiber, Leesier fiber (also known as Tianyi), etc. . Artificial fibers directly use natural polymer compounds, without consuming oil resources, fiber properties are also different from chemical synthetic fibers.

Chemical fiber choice

Disadvantages may also be flash point

The emergence of chemical fibers has greatly enriched the variety and performance of textiles and clothing, and also gives some features and features that are different from natural fiber materials.

For example, the moiety has a significant feature of hydrophilic performance, which makes the polyester fabric have the characteristics of easy drying. Many high-quality quick-drying sportswear materials are used with ultrafine polyester, microfibers can accelerate the sweat evaporation of the fiber surface, keep the surface of the human body in motion, comfortable; It is used to produce fabrics with peracted style.

my country is a strong country in chemical fiber production and research and development, and the proportion of chemical fiber production accounts for more than 70% of the world. With the advancement of technology and changes in consumption, chemical fibers are also in constant improvements, and their “disadvantages” often make full use to develop specific products, mainly in improvement in functionality and comfort. Take the maximum production of polyester as an example, the structure of polyester has caused the moisture absorbing property, and the characteristics of static electricity are prone, but the R & D personnel start from improving the fiber structure, on the basis of routine polyester, by modification of the molecular structure, has been developed PBT (polyethylene terephthalate) fiber and PTT (polyethylene terephthalate) fiber. The flexibility, wear resistance and elasticity of the PBT fiber are superior to conventional polyester fibers, and their dye is more easier; the reboundability of the PTT fibers is better, easy to die, high color fastness, and has chlorine resistance and ultraviolet The advantages.

There is also a “imitation cotton polyester”, which is a polyester having a cotton fiber advantage, and its hydrophilicity is significantly improved. The imitation cashmere polyester is a polyester having a parallel fiber characteristics developed by the experience of imitation cotton polyester. Its fineness is close to cashmere, with cashmere soft and delicate feel and good hygroscopic gas permeability. The imitation sheep velvet polyester fiber can be pinched, or may be blended with other fiber, and the price is only 1/3 of natural cashmere fibers.

In addition, the R & D personnel also develop polyester having a differential function of moisture absorption, anti-hair ball, antibacterial, anti-ultraviolet, flame retardant, to adapt to consumer’s needs of clothing function.

Natural + chemistry can make a long supply

After the characteristics of natural fibers and chemical fibers are fully aware, people often combine natural fibers and chemical fibers in the product development, to achieve the advantages of natural fibers and chemical fibers to achieve 1 + 1> 2.

The most common example is to polyester cotton mixed fabric, usually using 65% polyester and 35% cotton fiber mixed textile. The strength, wear resistance and preservation of the polyester-blended fabric are superior to the cotton fabric, and there is also a certain hygroscopicity and suppression.

For example: traditional jeans use cotton coarse gauze, although moisture absorption is good, but lack of elasticity, the touch is not effective; the high-elastic jeans is a cotton yarn and spandex, and the fabric is full of elasticity, and more comfortable.

For example, the fabric of sports socks is usually made of cotton, polyester fiber (polyester), cannabis and spandex four fiber blended. Cotton fiber guarantees the skin, hygroscopic function of sock socks; polyester fibers increase the strength and wear resistance of sports socks; cannabis fibers (as a textile fiber, cannabis is a small number of hemp phenol active ingredients, In my country, sometimes use transliteration “้บป” instead of avoiding misunderstanding) with the innate bacteriostatic performance, providing bacteriostat deodorant function for sports socks; spandex provides sports socks, making it more Combining comfort. Such a pair of sports socks can be described as a characteristic of four fibers, and can provide the best experience for the wearer.

Which one is selected? Want to see the scene needs

According to the requirements of national mandatory standards, the waters of textiles and apparels should be clearly labeled the material components of the product. Consumers can directly turn down the water wash label as a reference when purchasing daily.

In addition, the feeling and visual inspection is also a method of consumers can use to identify fibrous materials. However, this requires consumers to accumulate more experience in daily life.

Consumers can also obtain understanding of product materials by asking sales staff. The formal brand textile and clothing salesperson can provide consumers to provide purchase advice through professional fiber material knowledge training. Other fiber identification methods are also microscope observation, combustion methods, solubility, etc., but these methods are generally used in laboratory testing, which will cause certain damage to the product without applicable to daily purchase.

With the market classification of textiles and clothing products, consumers can follow a “scenario demand” law during their day-to-day – select textiles and clothing based on the needs of the use scenario.

In fact, textiles and clothing at the beginning of design and production, R & D and designers have fully considered the use scenario of products when choosing products: the physiological changes and needs of the human body (such as sweating, warm, breathable, waterproof, antibacterial , Sunscreen, etc.) and the features of the external environment (eg, hot, cold, rain, wind, sun, etc.). For example, summer daily wear generally select cotton fabric, silk fabric, hematition, etc.; Fabrics and modal fabrics, good skin, clothing of jackets, can choose polyester and nylon materials, especially outdoor clothing, high strength and wear resistance of such chemical fibers provide better wear experience; bedding and towels The category of home textile products is higher to her skin and hygroscopicity. It is generally recommended that everyone chooses cotton; a category of new cinema products, fillers can choose cotton fibers, wool fibers, and high-profile chemical staple fibers. These materials are very prominent in warmth.

(Song Li Dan)

Source: Yangcheng Evening News