ʻO ka Ethylene glycol monomethyl ether (hoʻopau ʻia ʻo MOE), ʻike ʻia hoʻi ʻo ethylene glycol methyl ether, he wai kala ʻole a maopopo, hiki ke hui pū me ka wai, ka waiʻona, ka acetic acid, acetone a me DMF. Ma ke ʻano he mea hoʻoheheʻe koʻikoʻi, hoʻohana nui ʻia ʻo MOE ma ke ʻano he mea hoʻoheheʻe no nā momona like ʻole, cellulose acetates, cellulose nitrates, nā waiʻona waiʻona a me nā resins synthetic.

hoʻolauna kumu

2-Methoxyethanol
CAS 109-86-4
Helu CBN: CB4852791
Huina mole: C3H8O2
kaumaha molekala: 76.09
Ka helu hehee: -85°C
Puni paila: 124-125°C (kukui.)
Māmā: 0.965g/mL ma 25°C (māmā)
Pumi ea: 6.17mmHg (20°C)
Hōʻike hōʻano hou: n20/D1.402(māmā)
Kekahi uila: 115°F
Nā kūlana mālama: Hale kūʻai+5°Cto+30°C

Noi hana

1. Keʻano hoʻomākaukau

Loaʻa mai ka hopena o ka ethylene oxide a me ka methanol. E hoʻohui i ka methanol i ka boron trifluoride eter complex, a e hoʻokomo i loko o ka ethylene oxide ma 25-30°C me ka hoʻoulu ʻana. Ma hope o ka pau ʻana o ka pau ʻana, piʻi koke ka mahana i 38-45 ° C. Hoʻohana ʻia ka hopena hopena me ka potassium hydrocyanide- Hoʻopau i ka hopena methanol i ka pH=8-9Chemicalbook. Hoʻihoʻi hou i ka methanol, hoʻoheheʻe ʻia, a hōʻiliʻili i nā hakina ma mua o 130°C no ka loaʻa ʻana o ka hua pala. A laila e hoʻokō i ka distillation fractional, a e hōʻiliʻili i ka hakina 123-125 ° C e like me ka huahana i pau. I loko o ka hana ʻoihana, hana ʻia ka ethylene oxide a me ka methanol anhydrous i ka wela kiʻekiʻe a me ke kaomi me ka ʻole o ka catalyst, a hiki ke loaʻa kahi huahana kiʻekiʻe.

2. Hoʻohana nui

Hoʻohana ʻia kēia huahana ma ke ʻano he mea hoʻoheheʻe no nā ʻaila like ʻole, lignin, nitrocellulose, cellulose acetate, nā waiʻona waiʻona a me nā resins synthetic; ma ke ano he reagent no ka hooholo ana i ka hao, ka sulfate a me ke kalapona disulfide, ma ke ano he diluent no ka uhi ana, a no ka cellophane. I loko o nā mea hoʻopaʻa paʻa, nā varnish maloʻo wikiwiki a me nā enamels. Hiki ke hoʻohana ʻia ma ke ʻano he penetrating agent a leveling agent i ka ʻoihana dye, a i ʻole he plasticizer a me ka hoʻomālamalama. Ma ke ʻano he kikowaena i ka hana ʻana o nā mea hoʻohuihui, hoʻohana nui ʻia ka ethylene glycol monomethyl ether i ka synthesis o ka acetate a me ka ethylene glycol dimethyl ether. ʻO ia hoʻi ka mea maka no ka hana ʻana o bis(2-methoxyethyl) phthalate plasticizer. ʻO ka hui ʻana o ka ethylene glycol monomethyl ether a me ka glycerin (ether: glycerin = 98:2) he mea hoʻohui pūʻali koa i hiki ke pale i ka hau a me ka ʻino bacteria. Ke hoʻohana ʻia ka ethylene glycol monomethyl ether ma ke ʻano he jet fuel antisizing agent, ʻo ka nui o ka hoʻohui nui he 0.15% ± 0.05%. Loaʻa iā ia ka hydrophilicity maikaʻi. Hoʻohana ʻo ia i kāna pūʻulu hydroxyl ponoʻī i ka wahie e launa pū me ka nui o nā molekole wai i loko o ka ʻaila. ʻO ka hoʻokumu ʻana i ka hui paʻa hydrogen, i hui pū ʻia me kona wahi haʻahaʻa haʻahaʻa loa, e hoʻohaʻahaʻa i ka pae hau o ka wai i loko o ka ʻaila, e hiki ai i ka wai ke hoʻoheheʻe i ka hau. ʻO ka Ethylene glycol monomethyl ether kekahi mea hoʻohui anti-microbial.

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