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    Knowledge Of Polyester Materials

    2014/2/8 14:54:00 32

    PolyesterFiberProducts

    < p > > a href= "http://www.91se91.com/news/index_c.asp" > polyester < /a > is an important variety of synthetic fiber, and it is the trade name of polyester fiber in China.

    It is made from terephthalic acid (PTA) or methyl terephthalate (DMT) and ethylene glycol (EG) as raw material through esterification or pesterification and polycondensation reaction, and is made of polyethylene terephthalate (PET), which is made by spinning and post-processing. Two

    < /p >


    < p > < strong > polyester product display < /strong > < /p >


    < p > polyester properties: high strength.

    Short fiber strength is 2.6 to 5.7cN/dtex and high strength fiber is 5.6 to 8.0cN/dtex.

    Because of its low moisture absorption, its wet strength is basically the same as that of dry state.

    The impact strength is 4 times higher than that of nylon and 20 times higher than that of viscose fiber.

    The elasticity is good and the elasticity is close to wool. When elongation is 5% to 6%, it can almost completely recover.

    Wrinkle resistance is better than other fibers, that is, the fabric is not wrinkled and has good dimensional stability.

    The modulus of elasticity is 22 to 141cN/dtex, 2~3 times higher than that of nylon.

    < /p >


    < p > water absorbency, abrasion resistance, wear resistance are second only to the best wear-resistant nylon, which is better than other natural fibers and synthetic fibers.

    Light resistance and light resistance are second only to acrylic fiber.

    Corrosion resistant, resistant to bleaching agents, oxidants, hydrocarbons, ketones, petroleum products and inorganic acids.

    It is resistant to dilute alkali and is not afraid of mold, but hot alkali can decompose it, and its dyeing property is poor.

    < /p >


    < p > polyester fabric has poor hygroscopicity, wearing a stuffy feel, and easy to bring static electricity and dirt. It affects beauty and comfort.

    However, after washing, it is very easy to dry, and wet strength almost does not decline, no deformation, good washing and wearability.

    < /p >


    < p > polyester is the best heat resistant fabric in synthetic fiber fabric. The melting point is 260 degrees and the ironing temperature can be 180 degrees.

    It is thermoplastic and can be made into pleated skirts with long pleat.

    At the same time, polyester fabric has poor melting resistance and easy to form holes when encountering ash and Mars.

    Therefore, when wearing, try to avoid contact with cigarette butts and sparks.

    < /p >


    < p > polyester fabric has better light fastness than that of acrylic fiber, and its sunlight fastness is better than natural fiber fabric.

    Especially in the glass behind the sun is very good, almost equal to acrylic fibers, polyester fabrics are good at all kinds of chemicals.

    Acid and alkali have little damage to them, and they are not afraid of mold, and are not afraid of moth eaten.

    Polyester fabric is excellent in crease resistance and shape retention, so it is suitable for coats.

    < /p >


    < p > < strong > polyester category: a href= "http://www.91se91.com/business/" > variety > /a >: < /strong > /p >


    The major varieties of P > polyester are staple fiber, stretch yarn, textured yarn, decorative filament, industrial filament and various differential fibers.

    < /p >


    < p > polyester staple varieties: < /p >


    < p > according to physical properties: high strength, low elongation, medium strength, medium extension, low strength, middle stretch, high modulus and Gao Qianggao modulus.

    According to post processing requirements, cotton type, wool type, hemp type and silk type are distinguished according to their usage: clothing, cotton, decorative and industrial.

    Functional distinction: cationic dyeable, hygroscopic, flame retardant, coloured, anti pilling, antistatic, according to fiber cross section distinction: profiled silk, hollow filament.

    < /p >


    < p > < strong > polyester characteristics: < /strong > < /p >


    < p > polyester fiber fabric has many kinds. Apart from weaving pure polyester fabric, there are many products blended or interwoven with various kinds of textile fibers, which make up for the shortage of pure polyester fabric and play a better role in < a href= "http://www.91se91.com/news/index_s.asp" > wearability < /a >.

    At present, polyester fabrics are developing towards natural fibers such as wool, silk, linen, imitation deer skin and other synthetic fibers.

    < /p >

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