ʻO ka helu hoʻolapalapa o Ethylene Glycol a me kāna kānana waiwai kemika
I loko o ka ʻoihana kemika, ʻo ka ethylene glycol (Ethylene Glycol) kahi mea waiwai nui i hoʻohana nui ʻia i nā ʻano hana like ʻole e like me ka antifreeze a me ka hana resin. ʻO ka hoʻomaopopo ʻana i nā waiwai physicochemical o Ethylene Glycol, ʻoi aku ka nui o kona wahi paila, he mea koʻikoʻi ia no kāna noi ʻana i ka ʻoihana. Ma kēia ʻatikala, e kūkākūkā nui ʻia ke kiko hoʻolapalapa o ka ethylene glycol a me kāna mau mea pili.
Na Pono Kumu o Ethylene Glycol a me kona Lae paila
ʻO ka Ethylene glycol he wai ʻoniʻoni ʻole, ʻala ʻole, ʻala ʻono me ke ʻano kemika C₂H₆O₂. Ma ke ʻano he diol, he hygroscopicity ikaika ka ethylene glycol a me nā waiwai solubility maikaʻi. ʻO 197.3°C ka pae paila o ka ethylene glycol. ʻO kēia waiwai, i ana ʻia ma ke kaomi lewa, e hōʻike ana i ke kūpaʻa o kona ʻano molekala a me ka ikaika o kāna mau paʻa hydrogen intermolecular.
Nā mea e pili ana i ka helu hoʻolapalapa a me kona waiwai ʻoihana
Hoʻopili ʻia ka pae paila o ka ethylene glycol e kekahi mau kumu. He hopena koʻikoʻi ka hoʻopaʻa ʻana o ka hydrogen i loko o ka hoʻoheheʻe ʻana i ka paila. Aia i loko o ka mole mole ethylene glycol ʻelua pūʻulu hydroxyl (-OH), i hoʻopili ʻia e nā paʻa hydrogen, e hoʻoikaika ana i nā pūʻali intermolecular o ka ethylene glycol a alakaʻi i kahi wahi paila kiʻekiʻe. Hoʻopili pū ka paona molekala o ka ethylene glycol i kona wahi e hoʻolapalapa ai, me nā kaumaha molekala nui e koi ana i ka ikehu hou aʻe no ka evaporation.
I nā noi ʻoihana, ʻoi aku ka hopena o ka paila o ka ethylene glycol i kāna hana ma ke ʻano he solvent, coolant a me nā huahana ʻē aʻe. No ka laʻana, ʻoi aku ka paʻa o ka glycol a emi ʻole ka liʻiliʻi i nā wela kiʻekiʻe, no laila e hōʻoiaʻiʻo ai i kona pono i nā mea hoʻoluʻu a me ka antifreeze.
ʻO ka mālama ʻana i ka hoʻohana pono ʻana
I ka hoʻohana ʻana i ka ethylene glycol, pono e uku ʻia i ka hoʻopili ʻana o kona wahi paila me nā mea ʻē aʻe. No ka laʻana, i loko o nā composites a i ʻole nā ​​mea hoʻoheheʻe hui ʻia, hiki i nā mea ʻē aʻe ke hoʻopilikia i ka wahi paila o ka ethylene glycol a pēlā i nā waiwai hope o ka huahana. Hiki i ka ʻike o ka paila paila o ka ethylene glycol ke kōkua i ka hoʻopaʻa ʻana i nā kaʻina hana hana ʻoihana, e like me ka mālama ʻana i ka mahana i ka wā distillation a me ka noʻonoʻo.
I ka hōʻuluʻulu manaʻo, he mea nui ka hoʻomaopopo ʻana i ka wahi paila o ka ethylene glycol no kāna noi ʻoihana. Ma ka hoʻomaopopo ʻana i kēia waiwai kino o ka ethylene glycol, hiki ke hoʻomalu maikaʻi ʻia kāna hana i ka hana ʻana a me ka hoʻohana ʻana e hoʻomaikaʻi i ka maikaʻi a me ke kūpaʻa o ka huahana.