Polyester paj ntaub xov yog ib qho hluavtaws fiber ntau siv hauv textile paj ntaub. Nws cov khoom tseem ceeb yog polyethylene terephthalate (PET). Cov khoom siv polymer no yog tsim los ntawm kev sib xyaw tshuaj, muab polyester paj ntaub xov zoo heev lub cev thiab tshuaj lom neeg ruaj khov, ua rau nws yog ib qho ntawm cov khoom siv tseem ceeb hauv paj ntaub, xaws, thiab cov khoom siv zoo nkauj.
Los ntawm kev pom cov qauv tshuaj, PET, cov khoom tseem ceeb ntawm polyester, yog cov kab hluav taws xob uas tsim los ntawm cov tshuaj tiv thaiv polycondensation ntawm terephthalic acid (PTA) thiab ethylene glycol (EG). Cov txheej txheem no ua rau rov ua dua ester daim ntawv cog lus, ua rau siab - muaj zog thiab ruaj khov molecular chains. Tom qab melting spinning, PET polymer yog ua tiav rau hauv zoo filaments, uas yog ces twisted los yog plyed rau paj ntaub xov. Nyob ntawm daim ntawv thov, polyester paj ntaub xov yuav tsuas muaj PET los yog tov nrog lwm cov khoom siv ntxiv (xws li lubricants thiab antistatic agents) los txhim kho kev ua haujlwm zoo.
Lub ntsiab kom zoo dua ntawm polyester paj ntaub xov stems los ntawm lub hauv paus chiv keeb ntawm nws cov khoom. Ua ntej, PET lub siab crystallinity muab nws zoo heev abrasion tsis kam thiab tensile lub zog, ua kom nws tiv taus kev sib txhuam thiab rub, ua rau nws haum rau siab - paj ntaub los yog hnyav ntaub ua. Qhov thib ob, cov khoom siv muaj ntuj hydrophobicity, ua rau nws tsis tshua muaj kev nqus dej thiab o, yog li tuav qhov ruaj khov thiab muaj xim zoo nkauj txawm nyob hauv qhov chaw ntub dej. Tsis tas li ntawd, polyester fibers muaj ib tug kuj siab melting point (kwv yees li 250℃mus rau 260 degree), tso cai rau nws tiv taus ib txwm ironing kub, tab sis ntev raug rau high kub yuav tsum tau zam kom tsis txhob deformation.
Los ntawm kev pom kev ua tau zoo dyeing, polyester yuav tsum muaj siab -kub, siab -siab disperse dyeing txheej txheem, uas ua rau cov xov tiav nrog high colourfastness, tsis kam mus fading, thiab ntev - xim vibrant kav. Cov txheej txheem tsim khoom niaj hnub no tuaj yeem txhim kho nws cov UV tiv thaiv, tiv thaiv kab mob, thiab muag muag -kov xav tau los ntawm kev hloov kho copolymerization lossis txheej txheej txheej txheej txheej.
Nws yog ib qho tsim nyog sau cia tias txawm hais tias polyester paj ntaub xov feem ntau yog tsim los ntawm PET, qee cov khoom yuav raug sau tias "polyester/polyester- paj rwb sib tov" los yog muaj me me ntawm spandex los txhim kho elasticity. Txawm li cas los xij, cov xov polyester ntshiab tseem yog qhov tseem ceeb hauv kev ua lag luam vim nws qhov sib npaug ntawm tus nqi zoo tshaj -kev ua tau zoo thiab kev ua haujlwm tag nrho.
Hauv cov ntsiab lus, polyethylene terephthalate, lub ntsiab lus tseem ceeb ntawm polyester paj ntaub xov, tau tsim nws txoj hauj lwm irreplaceable nyob rau hauv lub paj ntaub kev lag luam los ntawm kev tshawb fawb molecular tsim thiab ua technology, ntsuas durability, aesthetics, thiab kev lag luam kom tau raws li ntau yam kev xav tau.