MHEC ọkwa ụlọ

Ọkwa ụlọ MHEC

Ọkwa ụlọ MHEC Methyl HydroxyethylCellulosebụ ntụ ọcha na-enweghị isi, enweghị ụtọ, na-anaghị egbu egbu nke enwere ike ịgbaze na mmiri oyi iji mepụta ngwọta viscous doro anya. O nwere njirimara nke ịka nká, njikọ, mgbasa, emulsification, nhazi ihe nkiri, nkwụsịtụ, adsorption, gelation, ọrụ elu, njigide mmiri na colloid nchebe. Ebe ọ bụ na mmiri mmiri nwere ọrụ na-arụ ọrụ n'elu, enwere ike iji ya dị ka ihe nchebe colloidal, emulsifier na dispersant. MHEC methyl Hydroxyethylcellulose mmiri mmiri nke ọkwa ụlọ nwere ezigbo hydrophilicity ma bụrụ ihe na-ejide mmiri nke ọma. Hydroxyethyl methyl cellulose nwere otu hydroxyethyl, yabụ ọ nwere ikike mgbochi ebu dị mma, nkwụsi ike dị mma na mgbochi mildew n'oge nchekwa ogologo oge.

Njirimara anụ ahụ na kemịkalụ:

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

Mmiri Na-agbaze: MHEC nwere ike ịgbaze na mmiri oyi na mmiri ọkụ, ụdị L nwere ike ịgbaze naanị na mmiri oyi, MHEC anaghị agbaze na ọtụtụ ihe mgbaze organic. Mgbe a gwọchara ya n'elu, MHEC na-agbasa na mmiri oyi na-enweghị njikọta, ma na-agbaze nwayọ nwayọ, mana enwere ike ịgbaze ya ngwa ngwa site na ịhazi uru PH ya nke 8-10.

Nkwụsi ike PH: Ọbara ọbara anaghị agbanwe nke ukwuu n'ime oke 2 ~ 12, oke ọbara ahụ na-ebelatakwa karịa oke a.

Nha nhata: 40 mesh rate ngafe ≥99% 80 mesh rate ngafe 100%.

Njupụta doro anya: 0.30-0.60g/cm3.

Ọkwa Ngwaahịa

Ngwa 

Enwere ike iji MHEC methyl Hydroxyethyl cellulose nke ọkwa ụlọ dị ka ihe nchebe colloid, emulsifier na dispersant n'ihi ọrụ ya n'elu mmiri mmiri. Ihe atụ nke ojiji ya bụ ndị a:

1. Mmetụta nke methylhydroxyethylcellulose na arụmọrụ simenti. MHEC methylHydroxyethylcellulose nke ọkwa ụlọ bụ ntụ ọcha na-enweghị isi, enweghị uto, na-adịghị egbu egbu nke enwere ike ịgbaze na mmiri oyi iji mepụta ngwọta viscous doro anya. O nwere njirimara nke ịka nká, njikọta, mgbasa, emulsification, nhazi ihe nkiri, nkwụsịtụ, adsorption, gelation, ọrụ elu, njigide mmiri na colloid nchebe. Ebe ọ bụ na mmiri mmiri nwere ọrụ na-arụ ọrụ n'elu, enwere ike iji ya dị ka colloid nchebe, emulsifier na dispersant. Mmiri mmiri MHEC methyl Hydroxyethyl cellulose nke ọkwa ụlọ nwere ezigbo hydrophilicity ma bụrụ ihe na-eme ka mmiri dị mma.
2. Kwadebe agba enyemaka nwere nnukwu mgbanwe, nke e ji akụkụ ndị a mee site na ibu nke ihe ndị e ji arụ ọrụ: 150-200g nke mmiri e gwepịara egwepịa; 60-70g nke emulsion acrylic dị ọcha; 550-650g nke calcium dị arọ; 70-90g nke talc; 30-40g nke mmiri methyl cellulose; 10-20g nke mmiri lignocellulose; 4-6g nke ihe na-eme ka ihe nkiri pụta; 1.5-2.5g nke ọgwụ nje antiseptic; 1.8-2.2g nke ihe na-eme ka mmiri dị mmiri mmiri; 1.8-2.2g nke ihe na-eme ka mmiri dị mmiri mmiri; 3.5-4.5g; ethylene glycol 9-11g; ihe na-eme ka mmiri dị mmiri mmiri MHEC nke ụlọ dị na 2-4% nke MHEC nke ụlọ dị na mmiri;eriri celluloseA na-eme ihe ngwọta mmiri site na 1-3%eriri cellulosea na-eme ya site na ịgbaze n'ime mmiri.

Otu esi emepụtaMHEC ọkwa ụlọ?

IhemmepụtaỤzọ e si arụ ọrụ MHEC methyl hydroxyethyl cellulose bụ na a na-eji owu a nụchara anụcha dị ka ihe e ji arụ ọrụ, a na-ejikwa ethylene oxide dị ka ihe na-eme ka ihe dị mma iji kwadebe ọkwa ụlọ MHEC. Ihe ndị e ji arụ ọrụ maka ịkwadebe ọkwa ụlọ A na-akwadebe ọkwa ụlọ MHEC n'akụkụ dị iche iche site na ibu: akụkụ 700-800 nke ngwakọta toluene na isopropanol dị ka ihe mgbaze, akụkụ 30-40 nke mmiri, akụkụ 70-80 nke sodium hydroxide, akụkụ 80-85 nke owu a nụchara anụcha, mgbanaka akụkụ 20-28 nke oxythane, akụkụ 80-90 nke methyl chloride, akụkụ 16-19 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 ketulu mmeghachi omume, bulie okpomọkụ ruo 60-80°C, ma debe ya maka nkeji 20-40;

Nzọụkwụ nke abụọ, ime ka ihe dị n'elu dị jụụ ruo 30-50°C, tinye owu a nụchara anụcha, fesa ya na ngwakọta toluene na isopropanol, wepụ ya na 0.006Mpa, jupụta na nitrogen maka nnọchi atọ, ma mee alkalis mgbe edochichara ya. Ọnọdụ ime ka ihe dị n'ime dị ka ndị a: oge ​​ime ka ihe dị n'ime dị bụ awa 2, okpomọkụ ime ka ihe dị n'ime dị 30℃-50℃;

Nzọụkwụ nke atọ, etherification: mgbe alkalization gasịrị, a na-ewepụ ihe nrụpụta ahụ ruo 0.05～A na-etinye 0.07MPa, ethylene oxide na methyl chloride ma debe ya ruo 30 nkeji.～Nkeji iri ise; ogbo mbụ nke etherification: 40～60℃, 1.0～Awa 2.0, a na-achịkwa nrụgide n'etiti 0.15-0.3Mpa; nkebi nke abụọ nke etherification: 60～90℃, 2.0～Mgbe awa 2.5 gachara, a na-achịkwa nrụgide n'etiti 0.4-0.8Mpa;

Nzọụkwụ nke anọ, nkwụsịtụ: tinye glacial acetic acid a tụrụ atụ tupu oge eruo na desolventizer, pịa n'ime ihe etherified maka nkwụsịtụ, mee ka okpomọkụ dịkwuo elu ruo 75～80℃ maka ịgbaze mmiri, okpomọkụ ga-arị elu ruo 102℃, uru pH ga-abụkwa 68. Mgbe agbaze mmiri ahụ gasịrị; jupụta ketulu ịgbaze mmiri ahụ na mmiri ọkpọkọ nke ngwaọrụ osmosis reverse gwọrọ na 90℃～100℃;

Nzọụkwụ nke ise, ịsa centrifugal: ihe ndị dị na nzọụkwụ nke anọ bụ centrifuge skru kwụ ọtọ na-amịnye centrifuge, a na-ebufekwa ihe ndị kewapụrụ onwe ha na ketulu ịsa ákwà nke e ji mmiri ọkụ jupụta tupu oge eruo maka ịsa ihe ndị ahụ;

Nzọụkwụ nke isii, nkụ centrifugal: a na-ebuga ihe ndị a sachara n'ime igwe nkụ site na centrifuge skru kwụ ọtọ, a na-akpọnwụ ihe ndị ahụ na okpomọkụ 150-170°C, a na-akụpịa ihe ndị kpọrọ nkụ ma kechie ha.

Ma e jiri ya tụnyere teknụzụ mmepụta cellulose ether dị ugbu a,usoro mmepụtaỌ na-eji ethylene oxide dị ka ihe na-eme ka ihe dị n'ime mmiri sie ike iji kwadebe MHEC methyl hydroxyethyl cellulose nke nwere ọkwa ụlọ, nakwa n'ihi na o nwere otu hydroxyethyl, o nwere ezigbo ikike maka nje bacteria. Ọ na-eguzogide viscosity dị mma ma na-eguzogide mildew n'oge nchekwa ogologo oge. Ọ nwere ike dochie cellulose ethers ndị ọzọ.

Bọkwa MHECbụ ihe ndị sitere na cellulose ether,Cellulose ether bụ ihe kemịkalụ dị mma nke polima, nke a na-ejikwa ọtụtụ ojiji eme ihe site na polima cellulose site na ọgwụgwọ kemịkalụ. Ebe ọ bụ na emepụtara cellulose nitrate na cellulose acetate na narị afọ nke 19, ndị na-emepụta kemistrị emepụtala ọtụtụ usoro ihe ndị sitere na cellulose ethers. A na-achọpụta ebe ọhụrụ na-arụ ọrụ mgbe niile, ọtụtụ ngalaba ụlọ ọrụ na-etinye aka na ya. Ngwaahịa cellulose ether dịka sodium carboxymethyl cellulose (CMC), ethyl cellulose (EC), hydroxyethyl cellulose (HEC), hydroxypropyl cellulose (HPC), methyl hydroxyethyl cellulose (MHEC) Na methyl hydroxypropyl cellulose (MHPC) na cellulose ethers ndị ọzọ bụ "industrial monosodium glutamate" a makwaara MHEC nke ọma na ihe mgbakwunye taịlị, ngwa agha akọrọ, simenti na gypsum plasters wdg.

Nkwakọ ngwaahịa:

Akpa akwụkwọ dị kilogram 25 n'ime ya nwere akpa PE.

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

40'FCL: 24Tọn nwere palletized, 28Tọn enweghị palletized.