Lub tswv yim ntawm fiber ntau: fiber yog cov tshuaj nyias thiab ntev, qhov piv ntawm nws ntev mus rau taub yog ntau tshaj 1000, thiab nws muaj qee yam muaj zog thiab hloov tau.
Polyester yog lub npe lag luam ntawm cov khoom lag luam polyester hauv kuv lub teb chaws. Nws lub npe tshuaj yog: polyethylene terephthalate (ntawv luv li PET). Nws yog tsim los ntawm esterification thiab polycondensation ntawm terephthalic acid (PTA rau luv) thiab ethylene glycol (EG rau luv luv) hauv qee qhov ntsuas kub, siab thiab catalyst (antimony trioxide lossis antimony glycol lossis antimony acetate). ua los ntawm. Lub npe: PTA + EG → PET Peb cov polyester yog tsib-lauj kaub polycondensation (ob-theem esterification, peb-theem polycondensation), uas yog tus yam ntxwv los ntawm kev ruaj khov zoo. Polyester cov khoom tuaj yeem muab faib ua cov polyester filament thiab polyester staple fiber.
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