Ethylene glycol monomethyl ether (oo loo soo gaabiyo MOE), oo sidoo kale loo yaqaan ethylene glycol methyl ether, waa dareere aan midab lahayn oo hufan, oo lagu khaldi karo biyo, aalkolo, acetic acid, acetone iyo DMF. Sida dareere muhiim ah, MOE waxaa si ballaaran loo isticmaalaa sida dareeraha dufanka kala duwan, acetates cellulose, nitrate cellulose, dheeha alkohol-milmi leh iyo resins synthetic.

hordhaca aasaasiga ah

2-Methoxyethanol
CAS 109-86-4
CBN Number: CB4852791
Qaaciddada molecular: C3H8O2
miisaanka kelli: 76.09
Meesha dhalaalka: -85°C
Barta karkarinta: 124-125°C (iftiin)
Cufnaanta: 0.965g/ml at 25°C (iftiin)
Cadaadiska hawada: 6.17mmHg (20°C)
Tusmada dib-u-celinta: n20/D1.402(lit.)
Barta toosh: 115°F
Xaaladaha Kaydinta: Kaydka+5°Cto+30°C

Codsiga wax soo saarka

1. Habka diyaarinta

Laga soo bilaabo falcelinta ethylene oxide iyo methanol. Ku dar methanol boron trifluoride ether complex, oo ku dhaaf ethylene oxide 25-30 ° C intaad kareyso. Ka dib marka marinka la dhammeeyo, heerkulku wuxuu si toos ah u kacayaa 38-45 ° C. Xalka falcelinta ka dhalata waxaa lagu daaweeyaa potassium hydrocyanide- Dhex-dhexaadi xalka methanol pH=8-9Kimikada. Soo kabso methanol, kala bixi, oo ururi jajabyada ka hor 130°C si aad u hesho badeecada cayriin. Ka dib samee nuugista jajabka, oo soo ururi jajabka 123-125 ° C sida alaabta la dhammeeyey. Wax soo saarka warshadaha, ethylene oxide iyo methanol anhydrous ah ayaa looga falceliyaa heerkulka sare iyo cadaadiska iyada oo aan lahayn wax kicin ah, iyo wax soo saar sare ayaa la heli karaa.

2. Isticmaalka ugu muhiimsan

Alaabtan waxaa loo isticmaalaa sida dareere ah saliidaha kala duwan, lignin, nitrocellulose, acetate cellulose, dheeha alkolada-milmi leh iyo resins synthetic; sida reagent ee go'aaminta birta, sulfate iyo kaarboon disulfide, sida dareere loogu talagalay dahaarka, iyo cellophane. Xirmooyinka baakadaha, varnishes-dhakhso-qallajinta iyo dhaldhalaalka. Waxa kale oo loo isticmaali karaa sida wakiilka wax geliya iyo wakiilka siman ee warshadaha dheeha, ama caagadeeyaha iyo iftiimiye. Sida dhexdhexaadka ah ee wax soo saarka ee xeryahooda organic, ethylene glycol monomethyl ether waxaa inta badan loo isticmaalaa in synthesize of acetate iyo ethylene glycol dimethyl ether. Sidoo kale waa alaabta ceeriin ee soo saarista bis (2-methoxyethyl) balaastiga phthalate. Isku darka ethylene glycol monomethyl ether iyo glycerin (ether: glycerin = 98:2) waa wax lagu daro shidaalka jet military kaas oo ka hortagi kara dhogorta iyo daxalka bakteeriyada. Marka ethylene glycol monomethyl ether loo isticmaalo sidii shidaalka jet-ka-hortagga-ka-hortagga, qaddarka guud ee lagu daro waa 0.15% ± 0.05%. Waxay leedahay hydrophilicity wanaagsan. Waxay isticmaashaa kooxdeeda hydroxyl ee shidaalka si ay ula falgasho cadadka maaddooyinka biyaha ee saliidda. Samaynta ururka dammaanadda hydrogen, oo ay weheliso barta qaboojinta aadka u hooseeya, waxay hoos u dhigtaa barta qaboojinta ee saliidda, taas oo u oggolaanaysa biyuhu inay ku soo da'aan dhaxan. Ethylene glycol monomethyl ether sidoo kale waa wax lagu daro anti-microbial.

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