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Igama lomkhiqizo:Polyethylene
Ifomethi Molecular:NC2H4
I-CO CHA:9002-88-4
Isakhiwo samangqamuzana somkhiqizo:
Izakhiwo zamakhemikhali nezingokomzimba zithinteka kakhulu ngenxa yokwanda kwabantu, okuthintwa ukwakheka kanye nokuhlukaniswa kwezikhala ze-chain molecular. Izinto zokwenziwa eziphansi zinamaketanga ahlelwe kakhulu futhi ahlukaniswe kakhulu, kanti izinto ezinobunzima obukhulu zinamaketanga aqondile futhi avumelaniswe ngokulinganayo. I-Low-density polyethylene (0.926-0.9409 g / cm3 g / cm3) iyancibilika ku-organic solvents emazingeni okushisa aphezulu ku-200 ° F. Kungukungazibonakali emazingeni okushisa asekamelweni. I-polyethylene ephezulu (0.041-0.965 g / cm3) yi-hydrophobic, evunyelwe kugesi, futhi inokumelana nogesi okuphezulu.
Isisindo esiphansi se-molecular polyethylenes sinokumelana kahle kukagesi nokumelana namanzi namakhemikhali amaningi. Ama-polymers we-medium aphakathi ama-waxes abucayi nge-paraffin wax, kanye nama-polyethylene polmers izinsimbi zawo ezingamamayela aphezulu kunezinkulungwane ezingama-10,000 ama-resins ajwayelekile futhi aqinile aguquguqukayo noma aqinile. Ngokuhlukahluka kwe-catalyst kanye nezindlela ze-polymerization, izakhiwo ezifana nobukhulu, i-crystaltaltity, isisindo molecular, kanye ne-polydispersity kungalawulwa ngamabanga amakhulu. Ama-polymers anezinqumo ezisukela cishe ngo-0.910 kuya ku-0.925 g / cm3 zingama-polyethylees aphansi; labo abanezinqubekelana ezisukela ku-0.926 kuya ku-0.940 g / cm3 bangama-polyethylenes aphakathi nendawo; Futhi labo abanezinqumo ezisukela ku-0.941 kuya ku-0.965 g / cm3 futhi ziphakeme ziphezulu polyethylenes.
I-Polyethylene (PE) iyi-polymer ye-thermoplastic enamaketanga amade we-hydrocarbon. I-PE isetshenziswa kwizicelo eziningi kufaka phakathi ukupakishwa kwamafilimu okuguquguqukayo okukhiqizwe inqubo yefilimu. I-PolyethYlene isetshenziselwa ukulawula i-viscosity, imithi yokumiswa, nokuqina okujwayelekile ekunikezelweni kwezimonyo. Izicelo ezijwayelekile zifaka phakathi izingxenye ezikhethekile zokujova ezibunjiwe, kulezi zinkambu ze-polyethylene zinokusetshenziswa okuhlukahlukene:
Umjovo nokushaya amathoyizi abunjiwe, ama-the hosemateres namabhodlela.
Izihlalo zemoto ezibunjiwe ezibunjiwe, izingxenye ze-mower kanye nama-pails.
Umjovo obunjiwe, iziqukathi ezinodongeni odongeni kanye namaJashani asezindlini.
Kushisa kuncibilike ukugcotshwa kwephepha, okungezansi kokubumba okuqinile, amakhandlela, ama-inks asuselwa kuwoyela kanye nokunamathelisa okushisayo okushisayo.
Isengezo kuma-polyesters angafakwanga, ama-epoxides namanye ama-polymers ukudlulisa izakhiwo ezihlukile ze-UHMWPE. Kusetshenziswe ezingxenyeni zezimboni, ukumboza kanye nokugqoka okuphezulu ngo-10- 40 wt. %.
Izicelo zefilimu ezinokudonswa okuhle nokuqina.
I-Mold Deleative Additive, i-lubricant ekusebenzeni kwerabha, ukukhishwa kanye nosizo lwe-calendering for PVC kanye ne-Dispering Aid for Colour Concentrate.
Amabele, amagiya, ama-bushings nezinye izingxenye ezinyakazayo.
Ishubhu elebhu; ekwenzeni ama-prostheses; Ukufakelwa kukagesi; izinto zokupakisha; I-Kitchenare; ama-tank kanye nama-fipha lining; Imbobo yamaphepha; I-Textile Stiffeners.
I-PolyethYlene isetshenziselwa ukulawula i-viscosity, imithi yokumiswa, nokuqina okujwayelekile ekunikezelweni kwezimonyo. Isuselwa kugesi kaphethiloli noma ukomisa ngotshwala.
IChemWin inganikeza uhla olubanzi lwezinqwaba ze-hydrocarbons nama-solvents amakhemikhali amakhasimende wezimboni.Ngaphambi kwalapho, sicela ufunde imininingwane elandelayo eyisisekelo ngokwenza ibhizinisi nathi:
1. Ezokuphepha
Ukuphepha kuyinto eza kuqala kithi. Ngaphezu kokuhlinzeka amakhasimende ngolwazi mayelana nokusetshenziswa okuphephile nakwezemvelo kwemikhiqizo yethu, futhi sizibophezele ekuqinisekiseni ukuthi izingozi zokuphepha zabasebenzi nosonkontileka zincishiswa ubuncane obunengqondo nezenzeka. Ngakho-ke, sidinga ikhasimende ukuthi liqinisekise ukuthi amazinga afanele okulayisha kanye namazinga okuphepha okugcina ahlangatshezwa ngaphambi kokulethwa kwethu (sicela ubheke kwi-HSSE Isithasiselo ngemigomo nemibandela yokuthengisa engezansi). Ochwepheshe bethu be-HSSE banganikeza ukuholwa kulezi zindinganiso.
2. Indlela Yokulethwa
Amakhasimende angakwazi uku-oda futhi alethe imikhiqizo kusuka ku-Cheminjin, noma angathola imikhiqizo kwisitshalo sethu sokukhiqiza. Izindlela ezitholakalayo zokuhamba zifaka iloli, isitimela noma ezokuhamba ze-multimodal (izimo ezihlukile ziyasebenza).
Endabeni yezidingo zamakhasimende, singacacisa izidingo zamabhande noma amathangi futhi sisebenzise amazinga okuphepha akhethekile / wokubuyekezwa nezidingo.
3. Ubuncane be-oda
Uma uthenga imikhiqizo kwiwebhusayithi yethu, inani eliphansi le-oda lingamathani angama-30.
4.Fay
Indlela yokukhokha ejwayelekile ukuncishiswa okuqondile kungakapheli izinsuku ezingama-30 ku-invoice.
5. Imibhalo Yokulethwa
Imibhalo elandelayo ihlinzekwa ngokulethwa ngakunye:
· I-Bill of Lading, CMR Waybill noma enye incwadi efanele yokuhamba
· Isitifiketi sokuhlaziywa noma ukuhambisana (uma kudingeka)
Imibhalo ehlobene ne-HSSE ngokuhambisana nemigomo
· Imibhalo yamasiko ehambisana nemigomo (uma kudingeka)