Polyester wani nau'in polyester nepolymerswanda ya ƙunshiester ƙungiyar aikia cikin kowace naúrar maimaitawa ta babban sarkar su. A matsayin takamaimanabu, galibi yana nufin nau'in da ake kirapolyethylene terephthalate(PET). Polyesters sun haɗa da sinadarai na halitta, kamar su a cikinshuke-shukekumakwarida kuma na'urorin roba kamarpolybutyratePolyester na halitta da wasu ƙananan na roba sunemai lalacewa ta halitta, amma yawancin polyester na roba ba su da su. Ana amfani da polyester na roba sosai a cikin tufafi.
A wasu lokutan ana haɗa zare-zaren polyester tare da zare na halitta don samar dazanetare da kaddarorin da aka haɗa.Auduga-haɗen polyester na iya zama masu ƙarfi, masu jure wa wrinkles da kuma tsagewa, kuma suna rage raguwa.Zaruruwan robaAmfani da polyester yana da juriya ga ruwa, iska da muhalli idan aka kwatanta da zare da aka samo daga tsirrai.mai jure wutakuma yana iya narkewa idan an kunna shi.
Polyesters na ruwa suna daga cikin farkon waɗanda aka yi amfani da su a masana'antupolymers na ruwa mai lu'ulu'uAna amfani da su don halayen injinansu da juriya ga zafi. Waɗannan halaye suna da mahimmanci a aikace-aikacen su azaman hatimin da za a iya cirewa a cikin injunan jet.
Abubuwan polyesters da ke cikin yanayi sun haɗa dacutinɓangarenƙurar tsire-tsire, wanda ya ƙunshiomega hydroxy acidda abubuwan da suka samo asali, suna da alaƙa ta hanyaresterhaɗin gwiwa, suna samar da polymers na polyester waɗanda ba su da iyaka. Ana kuma samar da polyesters ta hanyarƙudan zumaa cikin jinsinColletes, wanda ke ɓoye wanicellophane- kamar rufin polyester ga ƙwayoyin halittarsu na ƙarƙashin ƙasa wanda hakan ya sa aka yi musu laƙabi da "ƙudan zumar polyester".
Dangane da tsarin sinadaran, polyester na iya zamathermoplastickona'urar thermosetAkwai kumaresin polyestermasu tauri suna warkar da su; duk da haka, polyester da aka fi sani sune thermoplastics.[11]An mayar da martani ga ƙungiyar OH tare da waniIsocyanateSinadarin aiki a cikin tsarin sassa 2 yana samar da rufin da za a iya fenti da shi. Polyesters a matsayin thermoplastics na iya canza siffa bayan an shafa zafi. Duk da yake suna iya ƙonewa a yanayin zafi mai yawa, polyesters suna raguwa daga harshen wuta kuma suna kashe kansu lokacin da aka kunna su. Zaruruwan Polyester suna da babban ƙarfijuriyakumaE-modulushaka kuma ƙarancin shan ruwa da kuma ƙarancin shan ruwaraguwaidan aka kwatanta da sauran zare na masana'antu.
Ƙara ƙamshi na polyester yana ƙara musu ƙamshizafin canjin gilashi, zafin narkewa,kwanciyar hankali na zafi, kwanciyar hankali na sinadarai, da juriya ga sinadaran da ke narkewa.
Polyesters kuma za a iya amfani da sutelechelic masu oligomerskamar polycaprolactone diol (PCL) da polyethylene adipate diol (PEA). Sannan ana amfani da su azamanprepolymers.
Lokacin Saƙo: Disamba-06-2022