Ethylene glycol monomethyl ether (nke a na-akpọ MOE), nke a makwaara dị ka ethylene glycol methyl ether, bụ mmiri na-enweghị agba na nke na-egbuke egbuke, nke na-ejikọta mmiri, mmanya, acetic acid, acetone na DMF. Dị ka ihe mgbaze dị mkpa, MOE na-ejikarị eme ihe dị ka ihe mgbaze maka griiz dị iche iche, cellulose acetates, cellulose nitrates, mmanya-soluble dyes na sịntetik resins.

isi okwu mmeghe

2-Methoxyethanol
CAS 109-86-4
CBN Number: CB4852791
Usoro ihe omimi: C3H8O2
arọ molekụla: 76.09
Ebe mgbaze: -85°C
Ebe esi mmiri: 124-125°C (ọkụ)
Njupụta: 0.965g/ml na 25°C (ọkụ.)
Nrụgide ikuku: 6.17mmHg (20°C)
Ndekọ ntụgharị: n20/D1.402(lit.)
Ebe ọkụ ọkụ: 115°F
Ọnọdụ nchekwa: Storeat+5°Cto+30°C

Ngwa mmepụta

1. Usoro nkwadebe

E sitere na mmeghachi omume nke ethylene oxide na methanol. Tinye methanol na boron trifluoride ether complex, ma gafere na ethylene oxide na 25-30 ° C ka ị na-akpali. Mgbe nke ahụ gasịchara, okpomọkụ na-ebili na 38-45 Celsius C. A na-eji potassium hydrocyanide na-agwọ ngwọta mmeghachi omume na-esi na ya pụta- Kwụsị ngwọta methanol na pH=8-9Chemicalbook. Weghachite methanol, kpochaa ya, ma kpokọta ụmụ irighiri ihe ndị ahụ tupu 130ºC iji nweta ngwaahịa crude. Mgbe ahụ, mee distillation akụkụ, ma nakọta akụkụ nke 123-125 Celsius dị ka ngwaahịa emechara. Na mmepụta nke ụlọ ọrụ mmepụta ihe, ethylene oxide na anhydrous methanol na-emeghachi omume na okpomọkụ dị elu na nrụgide na-enweghị ihe na-eme ka ọ bụrụ ihe na-eme ka ọ dị elu, a pụkwara inweta ngwaahịa dị elu.

2. Isi ojiji

A na-eji ngwaahịa a dị ka ihe mgbaze maka mmanụ dị iche iche, lignin, nitrocellulose, acetate cellulose, ihe na-esi ísì ụtọ na-aba n'anya na resins synthetic; dị ka reagent maka mkpebi nke ígwè, sulfate na carbon disulfide, dị ka a diluent maka coatings, na maka cellophane. Na nkwakọ ngwaahịa, varnishes na enamels na-ehichapụ ngwa ngwa. Enwere ike iji ya dị ka onye na-abanye n'ime ụlọ na onye na-eme ka ọ dị larịị na ụlọ ọrụ agba agba, ma ọ bụ dị ka plasticizer na ihe na-egbuke egbuke. Dị ka onye etiti na mmepụta nke ogige organic, ethylene glycol monomethyl ether na-ejikarị eme ihe na njikọ nke acetate na ethylene glycol dimethyl ether. Ọ bụkwa akụrụngwa maka imepụta bis (2-methoxyethyl) phthalate plasticizer. Ngwakọta nke ethylene glycol monomethyl ether na glycerin (ether: glycerin = 98: 2) bụ ihe mgbakwunye mmanụ ụgbọ elu ndị agha nke nwere ike igbochi icing na corrosion nje. Mgbe a na-eji ethylene glycol monomethyl ether mee ihe dị ka onye na-egbochi mmanụ ụgbọ elu, ihe mgbakwunye n'ozuzu bụ 0.15% ± 0.05%. Ọ nwere ezigbo hydrophilicity. Ọ na-eji otu hydroxyl nke ya na mmanụ ọkụ na-emekọrịta ihe na ọnụọgụ mmiri dị na mmanụ. Nhazi nke njikọ njikọ hydrogen, yana ebe ọ na-eme ka mmiri dị ala, na-ebelata ebe mmiri na-ekpo ọkụ na mmanụ, na-ekwe ka mmiri na-asọba n'ime ntu oyi. Ethylene glycol monomethyl ether bụkwa ihe mgbakwunye mgbochi microbial.

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