Ọkwa ụlọ MHEC

Ọkwa ụlọ MHEC

Ọkwa ụlọ MHEC Methyl HydroxyethylCelulosebụ ntụ ntụ ọcha na-enweghị isi, nke na-enweghị ụtọ, nke na-adịghị egbu egbu nke enwere ike igbari na mmiri oyi iji mepụta ngwọta viscous na-enweghị atụ. Ọ nwere àgwà nke ndim, bonding, dispersion, emulsification, film e guzobere, nkwusioru, adsorption, gelation, elu ọrụ, mmiri njigide na-echebe colloid. Ebe ọ bụ na ngwọta mmiri nwere ọrụ na-arụ ọrụ n'elu, enwere ike iji ya dị ka onye na-echebe colloidal, emulsifier na dispersant. Nrụpụta ọkwa MHEC methyl Hydroxyethylcellulose aqueous ngwọta nwere hydrophilicity dị mma ma bụrụ onye na-ejigide mmiri nke ọma. Hydroxyethyl methyl cellulose nwere hydroxyethyl otu, ya mere o nwere ezigbo mgbochi ebu ikike, ezi viscosity kwụsie ike na mgbochi mildew n'oge ogologo oge nchekwa.

Njirimara anụ ahụ na kemịkal:

Ọdịdị: MHEC dị ọcha ma ọ bụ ihe fọrọ nke nta ka ọ bụrụ ọcha fibrous ma ọ bụ ntụ ntụ granular; enweghị isi.

Solubility: MHEC nwere ike igbari na mmiri oyi na mmiri ọkụ, L ụdị nwere ike igbari na mmiri oyi, MHEC bụ ihe na-adịghị edozi na ọtụtụ ihe mgbaze organic. Mgbe ọgwụgwọ elu gasịrị, MHEC na-agbasa na mmiri oyi na-enweghị agglomeration, ma na-agbaze nwayọọ nwayọọ, ma ọ nwere ike ịgbaze ngwa ngwa site n'ịgbanwe uru PH nke 8 ~ 10.

Nkwụsi ike PH: viscosity na-agbanwe ntakịrị n'ime oke nke 2 ~ 12, na viscosity na-ebelata karịa oke a.

Granularity: 40 ntupu ngafe ọnụego ≥99% 80 ntupu ọnụego ngafe 100%.

Njupụta pụtara: 0.30-0.60g/cm3.

Akara ngwaahịa

Ngwa 

Ụlọ ọkwa MHEC methyl Hydroxyethyl cellulose nwere ike iji dị ka ihe nchebe colloid, emulsifier na dispersant n'ihi na elu ya na-arụ ọrụ ọrụ na ya aqueous ngwọta. Ọmụmaatụ nke ngwa ya bụ ndị a:

1. Mmetụta nke methylhydroxyethylcellulose na ịrụ ọrụ ciment. Ụlọ elu MHEC methylHydroxyethylcellulose bụ ihe na-esi ísì ụtọ, enweghị ụtọ, ntụ ntụ na-adịghị egbu egbu nke nwere ike igbari na mmiri oyi iji mepụta ngwọta viscous na-egbuke egbuke. Ọ nwere àgwà nke ndim, bonding, dispersion, emulsification, film e guzobere, nkwusioru, adsorption, gelation, elu ọrụ, mmiri njigide na-echebe colloid. Ebe ọ bụ na ngwọta mmiri nwere ọrụ na-arụ ọrụ n'elu, enwere ike iji ya dị ka colloid nchebe, emulsifier na dispersant.Building ọkwa MHEC methyl Hydroxyethyl cellulose aqueous solution nwere ezigbo hydrophilicity na bụ onye na-ejigide mmiri na-arụ ọrụ nke ọma.
2. Kwadebe agba enyemaka na mgbanwe dị elu, nke a na-eme site na akụkụ ndị a site na ịdị arọ nke akụrụngwa: 150-200g nke mmiri deionized; 60-70 g nke acrylic emulsion dị ọcha; 550-650 g nke calcium dị arọ; 70-90 g nke anụ ezi; 30-40 g nke methyl cellulose ngwọta mmiri; 10-20 g nke lignocellulose aqueous ngwọta; 4-6 g nke ihe eji eme ihe nkiri; 1.5-2.5 g nke antiseptik fungicides; 1.8-2.2 g nke ihe ọkụkụ; 1.8-2.2g nke onye na-edozi mmiri; ihe dị arọ 3.5-4.5g; ethylene glycol 9-11 g; na Ụlọ ọkwa MHEC aqueous ngwọta na-mere nke 2-4% Ụlọ ọkwa MHEC etisasịwo na mmiri; nkecellulose eririA na-eme mmiri mmiri 1-3%cellulose eriria na-eme ya site na mgbaze na mmiri.

Otu esi emepụtaỌkwa ụlọ MHEC?

Nkemmepụtausoro nke Building ọkwa MHEC methyl hydroxyethyl cellulose bụ na a nụchara anụcha owu na-eji dị ka akụrụngwa na ethylene oxide na-eji dị ka ihe etherifying gị n'ụlọnga iji kwadebe Building ọkwa MHEC. A na-akwadebe akụrụngwa maka ịkwadebe ọkwa MHEC na akụkụ dị arọ: akụkụ 700-800 nke toluene na ngwakọta isopropanol dị ka ihe mgbaze, akụkụ 30-40 mmiri, akụkụ 70-80 nke sodium hydroxide, akụkụ 80-85 nke owu a nụchara anụcha, mgbanaka 20-28 akụkụ oxyethane, 80-90 akụkụ nke methyl chloride, 16-19 akụkụ nke glacial. acetic acid; usoro ndị a kapịrị ọnụ bụ ndị a:

Na nzọụkwụ mbụ, tinye ngwakọta nke toluene na isopropanol, mmiri na sodium hydroxide n'ime kettle mmeghachi omume, mee ka okpomọkụ dị elu ruo 60-80 Celsius C, ma debe ya maka nkeji 20-40;

Nzọụkwụ nke abụọ, alkalization: mee ka ihe ndị dị n'elu dị jụụ ruo 30-50 ° C, gbakwunye owu a nụchara anụcha, fesa ngwakọta nke toluene na isopropanol, wepụ ya na 0.006Mpa, jupụta na nitrogen maka ngbanwe 3, ma mee alkalis mgbe dochie anya ọnọdụ alkalisation. bụ ndị a: alkalization oge bụ awa 2, na alkalization okpomọkụ bụ 30 ℃-50 ℃;

Nzọụkwụ nke atọ, etherification: mgbe alkalization gasịrị, a na-ewepụ reactor na 0.05～A na-agbakwunye 0.07MPa, ethylene oxide na methyl chloride ma debe ya maka 30.～Nkeji 50; Nkeji mbụ nke etherification: 40～60 ℃, 1.0～2.0 Awa, a na-achịkwa nrụgide n'etiti 0.15-0.3Mpa; Nkeji nke abụọ nke etherification: 60～90 ℃, 2.0～2.5 awa, a na-achịkwa nrụgide n'etiti 0.4-0.8Mpa;

Nzọụkwụ nke anọ, neutralization: tinye metered glacial acetic acid tupu oge eruo na desolventizer, pịa n'ime etherified ihe maka neutralization, mee ka okpomọkụ ruo 75.～80 ℃ maka desolventization, okpomọkụ ga-ebili na 102 ℃, na pH uru ga-68. Mgbe tọgbọrọ n'efu na-agwụ agwụ; jupụta ketulu mkpofu ahụ na mmiri mgbata nke ngwaọrụ reverse osmosis na-edozi na 90 ℃～100 ℃;

Nzọụkwụ nke ise, ịsacha centrifugal: ihe ndị dị na nzọụkwụ nke anọ na-eme ka ọ bụrụ ihe na-eme ka ọkpụkpụ kwụ ọtọ, na ihe ndị ahụ kewara ekewa na-ebufe na kettle ịsacha nke jupụtara na mmiri ọkụ tupu oge eruo maka ịsacha ihe;

Nzọụkwụ nke isii, ihicha centrifugal: a na-ebufe ihe ndị a na-asacha n'ime igwe na-ekpo ọkụ site na centrifuge screw centrifuge, ihe ndị ahụ na-akpọnwụ na 150-170 ° C, na ihe ndị a mịrị amị na-egweri na ngwugwu.

Tụnyere teknụzụ mmepụta cellulose ether dị ugbu ausoro mmepụtana-eji ethylene oxide dị ka onye na-ahụ maka etherifying iji dozie ọkwa ụlọ MHEC methyl hydroxyethyl cellulose, na n'ihi na ọ nwere otu hydroxyethyl, ọ nwere ikike antifungal dị mma. Ezi nkwụsi ike viscosity na iguzogide mildew n'oge nchekwa ogologo oge. Ọ nwere ike dochie ether cellulose ndị ọzọ.

BỌnụahịa kasị elu nke MHECbụ cellulose ether mmepụta,Cellulose ether bụ ihe eji eme ihe dị mma nke polymer nwere ọtụtụ ihe eji eme ihe sitere na cellulose polymer eke site na ọgwụgwọ kemịkal. Ebe ọ bụ na e mere cellulose nitrate na cellulose acetate na narị afọ nke 19, ndị na-ahụ maka chemist emepụtawo ọtụtụ usoro cellulose nke ethers cellulose. A na-achọpụta mpaghara ngwa ọhụrụ mgbe niile yana ọtụtụ ngalaba mmepụta ihe na-etinye aka. Cellulose ether ngwaahịa dị ka sodium carboxymethyl cellulose (CMC), ethyl cellulose (EC), hydroxyethyl cellulose (HEC), hydroxypropyl cellulose (HPC), methyl hydroxyethyl cellulose (MHEC) na methyl hydroxypropyl cellulose (MHPC) na ndị ọzọ cellulose ethers ka amara dị ka "Monosodium glutamate ụlọ ọrụ" na ọkwa ụlọ MHEC ejirila ọtụtụ ebe tile nrapado, ngwa agha akọrọ, ciment na plasta gypsum wdg.

Nkwakọ ngwaahịa:

Akpa akwụkwọ 25kg dị n'ime nwere akpa PE.

20'FCL: 12Ton nwere palletized, 13.5ton na-enweghị palletized.

40'FCL: 24Ton nwere palletized, 28Ton na-enweghị palletized.