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Tarihin PET (Polyethylene terephthalate)

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Tun lokacin da aka gano su a cikin 1941, kaddarorin polymers polymers sun zama ingantattu a cikin fiber, marufi da masana'antun filastik, godiya ga babban aikin su. Ana kera PET daga manyan keɓaɓɓun keɓaɓɓun polymers thermoplastic. Polymer ɗin yana da adadi mai yawa wanda ya dace da samar da abubuwa masu saurin narkewa, abubuwan da ke tsayayya da zafi da samfuran kasuwanci masu inganci. Ana samun PET a cikin maki mai haske da launi.

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Ab Adbuwan amfãni
Daga cikin fa'idodin fasaha na PET, ana iya ambaton kyakkyawan haƙuri da ƙima. Lokacin sauri na sake zagayowar mold
da kyawawan halaye masu zurfin zane tare da kaurin bango. Babu bushewar farantin kafin yin gyare -gyare. Yanayin amfani mai yawa (-40 ° zuwa +65 °). Za a iya yin sanyi ta hanyar lanƙwasawa. Kyakkyawan juriya ga sunadarai, kaushi, wakilai masu tsaftacewa, mai da kitse da dai sauransu Babban juriya ga ƙwanƙwasawa da ɓacin rai. PET yana da fa'idodin kasuwanci da yawa. Gajeriyar lokacin sake zagayowar yana tabbatar da haɓaka yawan aiki a ayyukan gyare -gyare. Kyakkyawa mai ban sha'awa: babban sheki, nuna gaskiya ko daidaiton launi kuma ana iya buga shi cikin sauƙi ko yin ado ba tare da fara magani ba. Ayyukan fasaha iri -iri da cikakken sake maimaitawa.
 
Amfani Tun lokacin da aka gabatar da shi a kasuwa, an sami nasarar kimanta PET a cikin aikace -aikace iri -iri kamar kayan tsabtace muhalli (baho, kwandon shawa), kasuwancin siyarwa, ababen hawa (suma caravans), kantunan waya, mafaka bas da dai sauransu PET ya dace da abinci da aikace-aikacen likitanci da kuma gamer-radiation sterilization.

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Akwai manyan nau'ikan PET guda biyu: Amorphous PET (APET) da crystal PET (CPET), mafi mahimmancin bambanci shine cewa CPET an ɗan ɓata shi, yayin da APET amorphous ne. Godiya ga tsarin sashi na siliki na CPET ba shi da kyau, yayin da APET yana da tsarin amorphous, yana ba shi ingantaccen inganci.


Lokacin aikawa: Mar-17-2020