Igama Lomkhiqizo:i-polyester
Isakhiwo samangqamuzana omkhiqizo:
I-polyester iyisigaba sama-polymers aqukethe iqembu elisebenzayo le-ester kuwo wonke amayunithi aphindayo weketango lawo eliyinhloko.Njengento ethile, ngokuvamile ibhekisela ohlotsheni olubizwa nge-polyethylene terephthalate (PET).Ama-polyester ahlanganisa amakhemikhali emvelo, ezitshalweni nasezinambuzaneni, kanye nama-synthetics afana ne-polybutyrate.Ama-polyester emvelo kanye nama-synthetic ambalwa ayakwazi ukubola, kodwa ama-polyester amaningi okwenziwa awawona.Ama-polyester okwenziwa asetshenziswa kakhulu ezingutsheni.Imicu ye-polyester ngezinye izikhathi iphothwa kanye nemicu yemvelo ukuze kukhiqizwe indwangu enezici ezihlanganisiwe.Imixube kakotini-polyester ingaba namandla, imibimbi futhi imelane nezinyembezi, futhi inciphise ukuncipha.Imicu yokwenziwa esebenzisa i-polyester inamanzi amaningi, umoya nokumelana nemvelo uma kuqhathaniswa nemicu etholakala ezitshalweni.Azikwazi ukumelana nomlilo futhi zingancibilika uma zibasiwe.Ama-polyester angama-crystalline angama-liquid aphakathi kwama-polymers e-crystal liquid asetshenziswa kuqala ezimbonini.Zisetshenziselwa izakhiwo zazo zemishini kanye nokumelana nokushisa.Lezi zici nazo zibalulekile ekusebenziseni kwazo njengophawu olubambekayo ezinjinini zejethi.Ama-polyester emvelo ayengaba nendima ebalulekile emsuka wokuphila.Amaketanga e-polyester amade ane-heterogeneous kanye nezakhiwo ezingenalwelwelwesi ziyaziwa ukuthi zakha kalula ekuphenduleni kwebhodwe elilodwa ngaphandle kwe-catalyst ngaphansi kwezimo ezilula ze-prebiotic.
Izindwangu ezilukiwe noma ezilukiwe ngentambo ye-polyester noma intambo zisetshenziswa kakhulu empahleni yezimpahla nezasekhaya, kusukela emahembeni namabhulukwe kuya kumabhantshi nezigqoko, amashidi ombhede, izingubo zokulala, ifenisha ephahleni kanye nomata begundane bekhompyutha.Imicu ye-polyester yezimboni, izintambo kanye nezintambo zisetshenziselwa ukuqinisa amathayi emoto, izindwangu zamabhande okuthutha, amabhande okuphepha, izindwangu ezimboziwe kanye nezinsimbi zepulasitiki ezinokumunca amandla aphezulu.I-polyester fiber isetshenziswa njenge-cushioning ne-insulating material emicamelweni, ama-comforters kanye ne-upholstery padding.Izindwangu ze-polyester zimelana kakhulu namabala—eqinisweni, okuwukuphela kwesigaba sikadayi esingasetshenziswa ukushintsha umbala wendwangu ye-polyester yilokho okwaziwa ngokuthi odayi abahlakazayo.[19]Ama-polyester nawo asetshenziselwa ukwenza amabhodlela, amafilimu, iseyili, oseyili (i-Dacron), izikebhe, izibonisi zekristalu eliwuketshezi, ama-hologram, izihlungi, ifilimu ye-dielectric yama-capacitor, ukufakwa kwefilimu yocingo kanye namateyipu avikelayo.Ama-polyester asetshenziswa kakhulu njengokuqedwa emikhiqizweni yokhuni yekhwalithi ephezulu njengeziginci, amapiyano kanye nengaphakathi lemoto/yacht.Izici ze-thixotropic ze-polyester ezisetshenziswayo ezifuthwayo zenza kube kuhle ukusetshenziswa ezingodweni ezivulekile, njengoba zikwazi ukugcwalisa ngokushesha okusanhlamvu kwezinkuni, nge-high-build ifilimu ukushuba ngejazi ngalinye.Ingasetshenziselwa izingubo zemfashini, kodwa ithandwa kakhulu ngekhono layo lokumelana nokushwabana kanye nokuwasha kalula.Ukuqina kwayo kwenza kube ukukhetha okuvamile kokugqokwa kwezingane.I-polyester ivame ukuhlanganiswa neminye imicu efana nekotini ukuze uthole okungcono kakhulu kuwo womabili umhlaba.Ama-polyester aphulukisiwe angenziwa ngesihlabathi futhi acwebezelise ekuqedeni okucwebezelayo, okuhlala isikhathi eside.
I-Chemwin ingahlinzeka ngenqwaba yama-hydrocarbon amaningi nezincibilikisi zamakhemikhali kumakhasimende ezimboni.Ngaphambi kwalokho, sicela ufunde ulwazi olulandelayo oluyisisekelo mayelana nokwenza ibhizinisi nathi:
1. Ezokuphepha
Ukuphepha kuyinto ehamba phambili yethu.Ngaphezu kokunikeza amakhasimende ulwazi mayelana nokusetshenziswa okuphephile nokunobungani kwemvelo kwemikhiqizo yethu, siphinde sizibophezele ekuqinisekiseni ukuthi ubungozi bokuphepha kwabasebenzi nosonkontileka buncishiswa bube buncane obunengqondo nobunokwenzeka.Ngakho-ke, sidinga ukuthi ikhasimende liqinisekise ukuthi izindinganiso ezifanele zokuphepha zokuthulula nokugcina impahla ziyahlangatshezwa ngaphambi kokulethwa kwethu (sicela ubheke isithasiselo se-HSSE emigomeni nemibandela yokuthengisa ngezansi).Ochwepheshe bethu be-HSSE banganikeza isiqondiso kulawa mazinga.
2. Indlela yokulethwa
Amakhasimende anga-oda futhi alethe imikhiqizo evela ku-chemwin, noma angathola imikhiqizo evela embonini yethu yokukhiqiza.Izindlela zokuthutha ezitholakalayo zifaka phakathi iloli, ujantshi noma ezokuthutha ezinezinhlobo eziningi (kuyasebenza izimo ezihlukene).
Endabeni yezidingo zekhasimende, singacacisa izidingo zezikebhe noma amathangi futhi sisebenzise amazinga akhethekile okuphepha/wokubuyekeza kanye nezimfuneko.
3. Inani elincane le-oda
Uma uthenga imikhiqizo kuwebhusayithi yethu, inani elincane le-oda amathani angama-30.
4.Inkokhelo
Indlela yokukhokha ejwayelekile idonswa ngokuqondile zingakapheli izinsuku ezingu-30 ukusuka ku-invoyisi.
5. Amadokhumenti okulethwa
Amadokhumenti alandelayo anikezwa ngokudiliva ngakunye:
· I-Bill of Lading, i-CMR Waybill noma enye incwadi yezokuthutha efanele
· Isitifiketi Sokuhlaziya noma Ukuvumelana (uma sidingeka)
· Imibhalo ehlobene ne-HSSE ngokuhambisana nemithethonqubo
· Imibhalo yeCustoms ngokuhambisana nemithethonqubo (uma kudingeka)
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