纯棉T恤的具有什么样的优缺点
What are the advantages and disadvantages of cotton t-shirts
纯棉；纯棉织物是以棉花为原料，通过织机，由经纬纱纵横沉浮相互交织而成的纺织品。目前按照实际加工的棉花来源又区分为原生棉织物和棉织物。
 Pure cotton; Pure cotton fabric is a textile made of cotton as raw material and interwoven with warp and weft yarns vertically and horizontally through loom. At present, according to the actual source of processed cotton, it is divided into primary cotton fabric and cotton fabric.
纯棉的优势：
Advantages of pure cotton:
1、吸湿性：棉纤维具有较好的吸湿性，在正常的情况下，纤维可向周围的大气中吸收水分，其含水率为8-10%，所以它接触人的皮肤，使人感到柔软而不僵硬。如果棉布湿度加大，周围温度较高，纤维中含的水分量会全部蒸发散去，使织物保持水平衡状态，使人感觉舒服。
1. Hygroscopicity: cotton fiber has good hygroscopicity. Under normal circumstances, the fiber can absorb water into the surrounding atmosphere. Its moisture content is 8-10%, so it contacts people's skin and makes people feel soft but not stiff. If the humidity of cotton cloth increases and the surrounding temperature is high, all the water content in the fiber will evaporate and disperse, so as to keep the water balance of the fabric and make people feel comfortable.
2、保温性：由于棉纤维是热和电的不良导体，热传导系数非常低，又因棉纤维本身具有多孔性，弹性高优点，纤维之间能积存大量空气，空气又是热和电的不良导体，所以，纯棉纤维纺织品具有良好的保温性，穿着纯棉织品服装使人感觉到温暖。
2. Thermal insulation: because cotton fiber is a bad conductor of heat and electricity, the thermal conductivity is very low, and because cotton fiber itself has the advantages of porosity and high elasticity, a large amount of air can be accumulated between fibers, and air is a bad conductor of heat and electricity, pure cotton fiber textiles have good thermal insulation, and people feel warm wearing pure cotton fabrics and clothes.
3、耐热性：纯棉织品耐热性能良好，在摄氏110℃以下时,只会引起织物上水分蒸发,不会损伤纤维,所以纯棉织物在常温下,穿着使用,洗涤印染等对织品都无影响,由此对提高了纯棉织品耐洗耐穿服用性能。
3. Heat resistance: pure cotton fabric has good heat resistance. When the temperature is below 110 ℃, it will only cause water evaporation on the fabric and will not damage the fiber. Therefore, the wearing, washing, printing and dyeing of pure cotton fabric at room temperature have no impact on the fabric, which improves the washing, wearing and wearing performance of pure cotton fabric.

4、耐碱性：棉纤维对碱的抵抗能力较大，棉纤维在碱溶液中，纤维不发生破坏现象，该性能有利于服用后对污染的洗涤，除杂质，同时也可以对纯棉纺织品进行染色、印花及各种工艺加工，以产生更多棉织新品种。
4. Alkali resistance: cotton fiber has great resistance to alkali. When cotton fiber is in alkali solution, the fiber will not be damaged. This performance is conducive to the washing of pollution and the removal of impurities. At the same time, it can also dye, print and process pure cotton textiles, so as to produce more new cotton varieties.
5、卫生性：棉纤维是自然纤维，其主要成分是纤维素，含有少量的蜡状物质和含氮物与果胶质。纯棉织物经多方面查验和实践，织品与肌肤接触无任何刺激，久穿对人体有益无害，卫生性能良好。
5. Hygiene: cotton fiber is a natural fiber. Its main component is cellulose, which contains a small amount of waxy substances, nitrogen-containing substances and pectin. The pure cotton fabric has been inspected and practiced in many aspects. The fabric has no stimulation in contact with the skin. It is beneficial and harmless to the human body after long wearing, and has good hygienic performance.
纯棉的缺点：
Disadvantages of pure cotton:
1、容易皱，而且皱了以后比较难抚平。
1. It is easy to wrinkle, and it is difficult to smooth after wrinkle.
2、易缩水，纯棉衣物的缩水率是2%到5%，经过特殊加工，或洗水处理例外。
2. Easy to shrink. The shrinkage rate of pure cotton clothes is 2% to 5%, with the exception of special processing or washing treatment.
3、易变形，缺乏弹性，纯棉衣物都会容易变形，尤其是夏装，因为面料比较薄。
3. It is easy to deform and lack elasticity. All cotton clothes are easy to deform, especially summer clothes, because the fabric is relatively thin.
4、易粘毛，很难完全清理干净。
4. It is easy to stick and difficult to clean completely.
5、特别怕酸，当浓硫酸沾染棉布时，棉布被烧成洞，当有酸（比如：醋）不慎弄到衣服上，应及时清洗以免醋酸对衣服产生致命的破坏。
5. Especially afraid of acid. When concentrated sulfuric acid contaminates the cotton cloth, the cotton cloth will be burned into holes. When acid (such as vinegar) accidentally gets on the clothes, it should be cleaned in time to avoid fatal damage to the clothes by acetic acid.
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