I-Ethylene Glycol: I-ejenti Yamakhemikhali Neyokulwa Nokuqandisa Enezinhloso Eziningi
Izinkambu Ezinkulu Zokufaka Isicelo
Embonini yezimoto, i-ethylene glycol iyisici esiyinhloko se-antifreeze. Yehlisa izinga lokubanda kwamanzi, ivimbele i-coolant ukuthi ingabindi emazingeni okushisa aphansi, futhi inyuse izinga lokubila, ivimbele ukushisa ngokweqile kwenjini. I-antifreeze esekelwe ku-ethylene glycol isetshenziswa kabanzi ezinhlelweni zokupholisa zezimoto, amaloli, kanye nemishini yezimboni ukuqinisekisa ukusebenza okuvamile kwenjini ngaphansi kwamazinga okushisa aphezulu. Ngaphezu kwalokho, i-ethylene glycol inamandla okuqina okushisa kanye nezakhiwo zokuvimbela ukugqwala, okungandisa impilo yezinhlelo zokupholisa.
Embonini yamakhemikhali, i-ethylene glycol iyinto ebalulekile yokwenziwa kwezinto eziphilayo. Isetshenziselwa ukukhiqiza i-polyethylene terephthalate (PET), into eyinhloko yokwenziwa kwezinto eziphilayo ze-polyester, ama-resin, namabhodlela epulasitiki. I-ethylene glycol ingasetshenziswa futhi ukwenziwa kwezinto eziphilayo ezahlukahlukene, njenge-ethylene glycol ethers, ama-ester, nama-amine, asetshenziswa kabanzi ezincibilikisini, ezimbozweni, kuyinki, nakumakhemikhali kagesi.
Embonini yezemithi, i-ethylene glycol isetshenziswa njengesinyibilikisi kanye nesiphakathi. Ingancibilikisa izingxenye ezithile zemithi, ithuthukise ukuzinza kanye nokuncibilika kwemithi. Ngaphezu kwalokho, i-ethylene glycol ingasetshenziswa ukuhlanganisa ezinye izinto zemithi, njenge-ethylene glycol ethers kanye nama-ester, anezicelo ezibalulekile ekuhlanganisweni kwemithi.
Embonini yezindwangu, i-ethylene glycol isetshenziselwa ukukhiqiza imicu ye-polyester. Imicu ye-polyester yaziwa ngamandla ayo aphezulu, ukumelana nokuguguleka, kanye nokugcinwa kahle kwesimo, futhi isetshenziswa kabanzi ezingutsheni, ezindwangu zasekhaya, nasezindwangu zezimboni. I-Ethylene glycol idlala indima ebalulekile ekukhiqizweni kwemicu ye-polyester ngokusabela ne-terephthalic acid ukuze kwakheke i-polyethylene terephthalate (PET), okuholela emicu ye-polyester esezingeni eliphezulu.
Embonini ye-elekthronikhi, i-ethylene glycol isetshenziswa njengesinyibilikisi kanye nesipholile. Ingasetshenziswa ukuhlanza izingxenye ze-elekthronikhi, isuse ukungcola okungaphezulu kanye nezinsalela. Ngaphezu kwalokho, izipholile ezisekelwe ku-ethylene glycol zisetshenziswa ezinhlelweni zokupholisa zamadivayisi kagesi ukuze kugcinwe amazinga okushisa azinzile ngesikhathi sokusebenza komthwalo omkhulu.
Naphezu kokusetshenziswa kwayo okubanzi, i-ethylene glycol inobuthi, futhi ukusetshenziswa kwayo nokugcinwa kwayo kudinga izinyathelo zokuphepha eziqinile. I-ethylene glycol inokunambitheka okumnandi, kodwa ukugwinya kungabangela ubuthi obukhulu, ngakho-ke kufanele igcinwe kahle ukuze kuvinjelwe ukufinyelela ezinganeni nasezilwaneni. Ekukhiqizweni kwezimboni, ukusetshenziswa kwe-ethylene glycol kuvame ukwenzeka ezinhlelweni ezivaliwe ukuze kuncishiswe umthelela emvelweni.
Imininingwane
| Igama Lomkhiqizo | I-Ethylene Glycol | |||||||||
| Ifomula Yamakhemikhali | C2H6O2 | |||||||||
| Isisindo sama-molecule | 62.07 g/mol | |||||||||
| Ukubukeka | Uketshezi oluqinile olungenambala | |||||||||
| Indawo Yokuncibilika | -13.2℃ | |||||||||
| Indawo Yokubilisa | 197.3℃ | |||||||||
| Ubuningi | 1.1132 g/cm³ | |||||||||
| INOMBOLO YE-CAS | 107 - 21 - 1 | |||||||||
| Ikhodi ye-HS | 29053100 | |||||||||
| I-EINECS CHA | 203 - 473 - 3 | |||||||||
| Isicelo | Isetshenziselwa ukukhiqizwa kwe-polyester, ukwakheka kwe-antifreeze, i-solvent, kanye ne-plasticizer | |||||||||
Ishidi Lokulawula Ikhwalithi
| Igama Lomkhiqizo | I-Ethylene Glycol | ||||||
| ITEM | INANI ELIJWAYELEKILE(%) | INANI LOKUHLOLA (%) | |||||
| Ubumsulwa,% ≥ | 99.8 | 99.9 | |||||
| I-Chromaticity (Pt-Co), ≤ | 5 | 5 | |||||
| Ubuningi, g/cm3 | 1.1128-1.1138 | 1.1133 | |||||
| Indawo Eyomile,℃ ≤ | 199 | 197.4 | |||||
| Umswakama,% ≤ | 0.1 | 0.05 | |||||
| I-asidi (njenge-acetic acid),% ≤ | 0.001 | 0.0007 | |||||
| Insimbi(Fe),% ≤ | 0.00001 | 0.000005 | |||||
| Izinsalela Zokuhwamuka Komhwamuko,% ≤ | 0.001 | 0.0003 | |||||
| I-Diethylene glycol,% ≤ | 0.10 | 0.01 | |||||
| I-Aldehyde,% ≤ | 0.0008 | 0.00032 | |||||
Ngokufigqiwe
Ngamafuphi, i-ethylene glycol, njengezinto ezibalulekile zamakhemikhali aphilayo, idlala indima ebalulekile ezimbonini eziningi. Ayigcini nje ngokuthuthukisa ukusebenza komkhiqizo kanye nekhwalithi kodwa futhi isekela intuthuko yemboni yesimanje. Ngokuthuthuka okuqhubekayo kwezobuchwepheshe, amathuba okusetshenziswa kwe-ethylene glycol azoba maningi nakakhulu.