Ethylene glycol monomethyl ether (yakapfupikiswa seMOE), inozivikanwawo se ethylene glycol methyl ether, imvura isina ruvara uye yakajeka, inosanganiswa nemvura, doro, acetic acid, acetone uye DMF. Sechinhu chakakosha chekunyungudutsa, MOE inoshandiswa zvakanyanya sechinhu chinonyungudutsa chemafuta akasiyana siyana, cellulose acetates, cellulose nitrate, doro-soluble dyes uye synthetic resins.

nhanganyaya

2-Methoxyethanol
CAS 109-86-4
CBNhamba: CB4852791
Molecular formula : C3H8O2
molecular uremu: 76.09
Kunyungudika: -85°C
Poindi yekubikira: 124-125°C (lit.)
Density: 0.965g/mL pa25°C (lit.)
Simba remhepo: 6.17mmHg (20°C)
Refractive index: n20/D1.402(lit.)
Painopenya: 115°F
Mamiriro ekuchengetedza: Chitoro+5°Cto+30°C

Kugadzira application

1. Kugadzirira nzira

Inobva pakuita kwe ethylene oxide uye methanol. Wedzera methanol kune boron trifluoride ether complex, uye pfuura mu ethylene oxide pa 25-30 ° C uchikurudzira. Mushure mekupera kwekufamba, tembiricha inongosimuka kusvika 38-45 ° C. Iyo inokonzeresa mhinduro mhinduro inobatwa ne potassium hydrocyanide- Neutralize iyo methanol mhinduro kune pH = 8-9Chemicalbook. Dzora methanol, idisti, uye unganidza zvikamu 130 ° C isati yasvika kuti uwane chigadzirwa chisina kuchena. Wobva waita mafractional distillation, wounganidza 123-125°C chidimbu sechigadzirwa chapera. Mukugadzirwa kwemaindasitiri, ethylene oxide uye anhydrous methanol inobatwa pakupisa kwakanyanya uye kudzvanywa pasina catalyst, uye goho rakakura rinogona kuwanikwa.

2. Main kushandiswa

Ichi chigadzirwa chinoshandiswa semafuta emafuta akasiyana-siyana, lignin, nitrocellulose, cellulose acetate, doro-soluble dyes uye synthetic resins; sechinhu chinogadzirisa chekugadzika kwesimbi, sulfate uye kabhoni disulfide, se diluent yekuvhara, uye cellophane. Mukurongedza sealers, kukurumidza-kuomesa varnishes uye enamels. Inogona zvakare kushandiswa senge inopinda mumiriri uye mumiriri wekuenzanisa muindasitiri yedhayi, kana seplasticizer uye inopenya. Seyepakati mukugadzirwa kwezvakagadzirwa zvehupenyu, ethylene glycol monomethyl ether inonyanya kushandiswa mukugadzirwa kweacetate uye ethylene glycol dimethyl ether. Iyo zvakare ndiyo yakabikwa yekugadzirwa kwebis (2-methoxyethyl) phthalate plasticizer. Musanganiswa we ethylene glycol monomethyl ether uye glycerin (ether: glycerin = 98: 2) ijet jet mafuta inowedzera inogona kudzivirira icing uye bhakitiriya corrosion. Kana ethylene glycol monomethyl ether ichishandiswa sejeti mafuta antisizing agent, huwandu hwekuwedzera ndeye 0.15% ± 0.05%. Iyo ine yakanaka hydrophilicity. Iyo inoshandisa yayo yega hydroxyl boka mumafuta kuti iwirirane neinoteedzera huwandu hwemvura mamorekuru muoiri. Kuumbwa kwehydrogen bond association, pamwe chete nechando chakanyanya kuderera, kunoderedza kutonhora kwemvura mumafuta, zvichiita kuti mvura ipinde muchando. Ethylene glycol monomethyl ether zvakare ine anti-microbial additive.

Kurongedza, kuchengetedza uye kutakura

Warehouse inofefeterwa uye yakaomeswa pane yakaderera tembiricha; yakachengetwa zvakasiyana kubva kune oxidants.

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