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来源:百度知道 编辑:UC知道 时间:2024/07/04 07:55:40

Cotton textiles touch every aspect of our lives.

Cotton is a soft fibre that grows around the seeds of the cotton plant . The fibre is most often spun into thread and used to make a soft, breathable textile.

Cotton is a valuable crop because only about 10% of the raw weight is lost in processing. Once traces of wax, protein, etc. are removed, the remainder is a natural polymer of pure cellulose. This cellulose is arranged in a way that gives cotton unique properties of strength, durability, and absorbency. Each fibre is made up of twenty to thirty layers of cellulose coiled in a neat series of natural springs. When the cotton boll (seed case) is opened the fibres dry into flat, twisted, ribbon-like shapes and become kinked together and interlocked. This interlocked form is ideal for spinning into a fine yarn.

Cotton has been used to make very fine lightweight cloth in areas with tropical climates for millennia. Some authorities claim that it was li