Ethylene Glycol: He Matū Maha-Kaupapa me te Kaihoko Ārai Huka
Ngā Āpure Tono Matua
I roto i te umanga motuka, he wāhanga nui te ethylene glycol o te ārai huka. Ka whakaiti i te pae huka o te wai, ka ārai i te huka o te wai whakamatao i ngā pāmahana iti, ka whakanui ake i te pae koropupū, ka ārai i te wera nui o te mīhini. He whānuitia te whakamahinga o te ārai huka e ahu mai ana i te ethylene glycol i roto i ngā pūnaha whakamatao o ngā motuka, ngā taraka, me ngā taputapu ahumahi hei whakarite i te mahi noa o te mīhini i raro i ngā pāmahana tino nui. Hei tāpiri, he pai te pumau wera me ngā āhuatanga aukati waikura o te ethylene glycol, ka taea te whakaroa i te roa o te ora o ngā pūnaha whakamatao.
I roto i te umanga matū, he rauemi mata nui te ethylene glycol mō te hanga matū waro. Ka whakamahia hei hanga polyethylene terephthalate (PET), te rauemi mata matua mō ngā muka polyester, ngā kapia, me ngā pounamu kirihou. Ka taea hoki te whakamahi i te ethylene glycol hei hanga i ngā momo matū waro, pērā i te ethylene glycol ethers, esters, me amines, e whakamahia whānuitia ana i roto i ngā whakarewa, ngā paninga, ngā waituhi, me ngā matū hiko.
I roto i te umanga rongoā, ka whakamahia te ethylene glycol hei whakarewa me te takawaenga. Ka taea e ia te whakarewa i ētahi wāhanga rongoā, ka whakapai ake i te pumau me te wairewa o ngā rongoā. Hei tāpiri, ka taea te whakamahi i te ethylene glycol ki te hanga i ētahi takawaenga rongoā, pērā i ngā ethylene glycol ethers me ngā esters, he mea nui ā rātou tono i roto i te hanga rongoā.
I roto i te umanga kakahu, ka whakamahia te ethylene glycol hei hanga muka polyester. E mōhiotia ana ngā muka polyester mō tō rātou kaha nui, te ātete ki te kakahu, me te pupuri i te āhua pai, ā, e whakamahia whānuitia ana i roto i ngā kākahu, i ngā kakahu kāinga, me ngā papanga ahumahi. He mahi nui tā te ethylene glycol i roto i te hanga muka polyester mā te tauhohe ki te waikawa terephthalic hei hanga polyethylene terephthalate (PET), ka hua ake he muka polyester kounga teitei.
I roto i te umanga hikohiko, ka whakamahia te ethylene glycol hei whakarewa me te whakamatao. Ka taea te whakamahi hei horoi i ngā wāhanga hikohiko, hei tango i ngā paru me ngā toenga o te mata. Hei tāpiri, ka whakamahia ngā whakamatao e hangai ana ki te ethylene glycol i roto i ngā pūnaha whakamatao o ngā taputapu hiko hei pupuri i te pāmahana pumau i te wā e whakamahia ana te kawenga teitei.
Ahakoa te whānuitanga o ngā whakamahinga, he paitini te ethylene glycol, ā, me tino tupato te whakamahinga me te rokiroki. He reka te reka o te ethylene glycol, engari ka taea e te horomitanga te whakararuraru kino, nō reira me rongoa tika kia kore ai e taea e ngā tamariki me ngā kararehe te uru atu. I roto i te whakaputanga ahumahi, ko te whakamahinga o te ethylene glycol ka whakamahia i roto i ngā pūnaha kati hei whakaiti i te pānga ki te taiao.
Ngā Whakatakotoranga
| Ingoa Hua | Etirena Karikora | |||||||||
| Tātai Matū | C2H6O2 | |||||||||
| Taumaha ngota | 62.07 karamu/mol | |||||||||
| Āhua | Wai matotoru kore tae | |||||||||
| Te Pūwāhi Rewa | -13.2℃ | |||||||||
| Te Pūtake Kohua | 197.3℃ | |||||||||
| Kiato | 1.1132 karamu/cm³ | |||||||||
| Nama Kāri | 107 - 21 - 1 | |||||||||
| Waehere HS | 29053100 | |||||||||
| EINECS NO | 203 - 473 - 3 | |||||||||
| Tono | Whakamahia mō te hanga polyester, te hanga ārai huka, te whakarewa, me te hanga plasticizer | |||||||||
Pepa Whakahaere Kounga
| Ingoa Hua | Etirena Karikora | ||||||
| TAONGA | UARA PAEREWA（%） | UARA WHAKAMĀTAUTAU（%） | |||||
| Te parakore,% ≥ | 99.8 | 99.9 | |||||
| Te Tae o te Tae (Pt-Co), ≤ | 5 | 5 | |||||
| Kiato, karamu/cm3 | 1.1128-1.1138 | 1.1133 | |||||
| Te Pūwāhi Maroke,℃ ≤ | 199 | 197.4 | |||||
| Makuku,% ≤ | 0.1 | 0.05 | |||||
| Te waikawa (hei waikawa acetic),%≤ | 0.001 | 0.0007 | |||||
| Rino (Fe),% ≤ | 0.00001 | 0.000005 | |||||
| Toenga Whakamutu,% ≤ | 0.001 | 0.0003 | |||||
| Diethylene glycol,% ≤ | 0.10 | 0.01 | |||||
| Aldehyde,% ≤ | 0.0008 | 0.00032 | |||||
Hei whakarāpopototanga
Hei whakarāpopototanga, ko te ethylene glycol, he rauemi matū waro nui, he mahi nui tana i roto i ngā ahumahi maha. Ehara i te mea ka whakarei ake i te mahi me te kounga o ngā hua engari ka tautoko hoki i te whanaketanga o te ahumahi hou. Mā te haere tonu o ngā whanaketanga hangarau, ka whānui ake ngā huarahi tono mō te ethylene glycol.