How to distinguish true and false colored cotton textiles?
The color cotton clothing market is a new environmentally friendly product, and its appearance is undoubtedly a major advancement in the underwear industry. Because of its relatively short time in China, color cotton is still a strange concept for most consumers. Market research found that most consumers said that they had never seen a colored cotton, and they did not know how many colors of colored cotton. There are also many consumers who believe that colored cotton is a "colorful" cotton. As everyone knows, it is precisely because consumers do not understand color cotton, which makes some unscrupulous companies take advantage of the loopholes.
Some of these enterprises hold "colorful" "color cotton" underwear to deceive consumers who do not know the truth; some enterprises deliberately dye ordinary cotton underwear to the color close to colored cotton, so as to sell at a high price; Color cotton "fiber short and thick" defects and vigorously promote the raw materials of its products as "natural color long-staple cotton", various types of promotional techniques on colored cotton continue to appear, for a time, the color cotton underwear market is full of smoke. Kong Liping, deputy director of the National Fiber Quality Supervision and Inspection Center, said that because there are no corresponding standards for color cotton products in China at present, some enterprises have hyped up the concept of hype, doing some false propaganda, and even confusing consumers and defrauding consumers.
In fact, the variety of colored cotton is very simple, there is absolutely no red and purple color, any bright color is not colored cotton; in addition, colored cotton is short fiber, not long-staple cotton, long-staple cotton and colored cotton are two completely Different varieties. The theory of "long-staple colored cotton" is misleading consumers.
Kong Liping also said that the most difficult thing at present is the identification of colored cotton and dyed cotton in China. The current identification technology is still very backward, which has caused the phenomenon of using dyed cotton instead of colored cotton in the market to be effectively stopped. Color cotton raw materials still need to optimize colored cotton. As the name suggests, it is a kind of colored cotton, which was successfully developed in foreign countries. Because it does not use chemical pesticides and fertilizers in the production process, it avoids the environmental damage caused by chemicals. Moreover, since the colored cotton itself has natural colors such as brown and green, it does not need to be bleached and dyed in the deep processing process, and the chemical toxin and harmful metal ions are prevented from remaining in the clothes, so that the skin of the human body, especially the infant, is protected from injury. Therefore, the emergence of colored cotton is undoubtedly a great gospel brought to people by science and technology.
However, there are very few real colored cotton products on the market, which is simply not popular. What is the reason for this? Professor Wang, a researcher on color cotton in the chemical control group of China Agricultural University, said that the shortcomings of single varieties, short fibers and poor color persistence hindered the application of colored cotton in clothing. He also said that at present, the application value of colored cotton on clothes is not very large. First of all, the color cotton varieties are too monotonous, only one or two colors, and very dim; secondly, the fibers are short and thick, and the woven clothes have poor fiber fastness, which is prone to "hair loss" phenomenon. Again, colored cotton has the characteristics of unstable color. When the fabric encounters the sun for a long time and the sweat is impregnated, it will “fall outâ€, which greatly affects the beauty of the clothes. Professor Wang pointed out that these problems are not solved and there will be no big market for colored cotton fabrics.
Because color cotton still has many problems that are difficult to solve, experts believe that whether it can be widely used in clothing like ordinary cotton is still a controversial topic. Professor Wang also pointed out that from the current situation, the popularity of colored cotton is still relatively difficult. The first is the issue of resources. China is not the origin of cotton. The cultivation techniques for colored cotton are also introduced from abroad. Moreover, the planting area is very small, only Xinjiang and other places produce a little; secondly, it is the technical problem of planting. The planting time of colored cotton in China is not very long. It is still not enough to eliminate the preferred work of colored cotton. So far, the varieties of colored cotton are still very Single, the color is also very dim. In addition, because the planting technology is not yet mature, it is inevitable to use the same cultivation methods as fertilization and medicine, and it is not completely pollution-free.
Professor Wang also pointed out that colored cotton should be very promising. Now the scientific research department is studying how to optimize the varieties of colored cotton. For example, through the hybridization of colored cotton and ordinary cotton to overcome the defects of colored cotton, this work has made progress and is expected to solve the drawbacks of less color and low yield of colored cotton. However, in order to truly solve the problem of color persistence of colored cotton, it is still quite difficult at present. Regarding the issue of standards related to colored cotton products, Director Kong Liping also said with concern that at present, since the identification of dyed cotton and colored cotton has not been solved, it is still difficult to formulate relevant product standards.
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