Babban darajar MHEC

Matsayin gini MHEC

Babban darajar MHEC Methyl HydroxyethylChaskewani farin foda ne mara wari, mara ɗanɗano, mara guba wanda za'a iya narkar da shi cikin ruwan sanyi don samar da ingantaccen bayani. Yana yana da halaye na thickening, bonding, watsawa, emulsification, film samuwar, dakatar, adsorption, gelation, surface aiki, danshi rike da m colloid. Tun da mai ruwa bayani yana da surface aiki aiki, shi za a iya amfani da a matsayin colloidal m wakili, emulsifier da dispersant. Gine-gine MHEC methyl Hydroxyethylcellulose bayani mai ruwa-ruwa yana da kyau hydrophilicity kuma shi ne ingantaccen ruwa mai riƙe da ruwa. Hydroxyethyl methyl cellulose ƙunshi hydroxyethyl kungiyoyin, don haka yana da kyau anti-mold ikon, mai kyau danko kwanciyar hankali da kuma anti-mildew a lokacin dogon lokaci ajiya.

Kaddarorin jiki da sinadarai:

Bayyanar: MHEC fari ne ko kusan fari fibrous ko granular foda; mara wari.

Solubility: MHEC na iya narke a cikin ruwan sanyi da ruwan zafi, L samfurin zai iya narkar da shi kawai a cikin ruwan sanyi, MHEC ba shi yiwuwa a cikin mafi yawan kaushi na kwayoyin halitta. Bayan saman jiyya, MHEC tarwatsa a cikin ruwan sanyi ba tare da agglomeration, kuma narke a hankali, amma ana iya narkar da da sauri ta daidaita ta PH darajar 8 ~ 10.

PH kwanciyar hankali: Danko yana canzawa kadan a cikin kewayon 2 ~ 12, kuma danko yana raguwa fiye da wannan kewayon.

Granularity: 40 ragin izinin wucewa ≥99% 80 ragin izinin wucewa 100%.

Matsakaicin bayyane: 0.30-0.60g/cm3.

Matsayin samfuran

Aikace-aikace 

Gina sa MHEC methyl Hydroxyethyl cellulose za a iya amfani da matsayin m colloid, emulsifier da dispersant saboda ta surface aiki aiki a cikin ruwa bayani. Misalan aikace-aikacen sa sune kamar haka:

1. Sakamakon methylhydroxyethylcellulose akan aikin siminti.Gina daraja MHEC methylHydroxyethylcellulose wani wari ne, maras ɗanɗano, farin foda mara guba wanda za'a iya narkar da shi a cikin ruwan sanyi don samar da bayani mai haske. Yana yana da halaye na thickening, bonding, watsawa, emulsification, film samuwar, dakatar, adsorption, gelation, surface aiki, danshi rike da m colloid. Tun da mai ruwa bayani yana da surface aiki aiki, shi za a iya amfani da matsayin m colloid, emulsifier da dispersant.Building sa MHEC methyl Hydroxyethyl cellulose ruwa bayani yana da kyau hydrophilicity kuma shi ne wani m ruwa retaining wakili.
2. Shirya fenti mai taimako tare da babban sassauci, wanda aka yi daga sassa masu zuwa ta nauyin kayan albarkatun kasa: 150-200g na ruwa mai tsabta; 60-70 g na acrylic emulsion mai tsabta; 550-650 g na alli mai nauyi; 70-90 g na tumatir; 30-40 g na methyl cellulose ruwa bayani; 10-20 g na lignocellulose ruwa bayani; 4-6 g na kayan aikin fim; 1.5-2.5 g na maganin antiseptik; 1.8-2.2 g na kayan lambu; 1.8-2.2 g na wakili na wetting; mai kauri - 3.5-4.5 g; ethylene glycol 9-11 g; da Ginin grade MHEC ruwa mai ruwa an yi shi da 2-4% Gine-gine MHEC narkar da cikin ruwa; dacellulose fiberAna yin maganin ruwa na 1-3%cellulose fiberana yin ta ta hanyar narkewa cikin ruwa.

Yadda ake samarwaBabban darajar MHEC?

ThesamarwaHanyar Gine-gine MHEC methyl hydroxyethyl cellulose shine cewa ana amfani da auduga mai ladabi azaman albarkatun kasa kuma ana amfani da ethylene oxide azaman wakili na etherifying don shirya MHEC Gine-gine. Ana shirya albarkatun kasa don shirya MHEC Gine-gine a cikin sassa ta nauyi: 700-800 sassa na toluene da cakuda isopropanol azaman ƙarfi, 30-40 sassa na ruwa, 70-80 sassa na sodium hydroxide, 80-85 sassa na auduga mai ladabi. zobe 20-28 sassa na oxyethane, 80-90 sassa na methyl chloride, 16-19 sassa na glacial acetic acid; takamaiman matakan sune kamar haka:

A mataki na farko, ƙara cakuda toluene da isopropanol, ruwa, da sodium hydroxide a cikin kettle dauki, tada zafin jiki zuwa 60-80 ° C, kuma ajiye shi na minti 20-40;

Mataki na biyu, alkalization: sanyaya kayan da ke sama zuwa 30-50 ° C, ƙara auduga mai ladabi, fesa tare da cakuda toluene da isopropanol, kwashe zuwa 0.006Mpa, cika da nitrogen don maye gurbin 3, da yin alkalis bayan maye gurbin yanayin alkalization. su ne kamar haka: alkalization lokaci ne 2 hours, kuma alkalization zafin jiki ne 30 ℃-50 ℃;

Mataki na uku, etherification: bayan alkalization, an kwashe reactor zuwa 0.05～Ana ƙara 0.07MPa, ethylene oxide da methyl chloride kuma ana ajiye su don 30～Minti 50; Matakin farko na etherification: 40～60 ℃, 1.0～2.0 Hours, ana sarrafa matsa lamba tsakanin 0.15-0.3Mpa; Mataki na biyu na etherification: 60～90 ℃, 2.0～2.5 hours, ana sarrafa matsa lamba tsakanin 0.4-0.8Mpa;

Mataki na hudu, neutralization: ƙara metered glacial acetic acid a gaba zuwa desolventizer, danna cikin etherified abu don neutralization, ƙara yawan zafin jiki zuwa 75.～80 ℃ for desolventization, da yawan zafin jiki zai tashi zuwa 102 ℃, da kuma pH darajar zai zama 68. Lokacin da lalata da aka kammala; cika tulun lalata da ruwan famfo da na'urar reverse osmosis ke kula da ita a 90 ℃～100 ℃;

Mataki na biyar, centrifugal wankewa: kayan da ke cikin mataki na hudu an yi su ne ta hanyar centrifuge na kwance a kwance, kuma an canza kayan da aka raba zuwa tukunyar wankewa da aka cika da ruwan zafi a gaba don wanke kayan;

Mataki na shida, bushewar centrifugal: ana jigilar kayan da aka wanke a cikin na'urar bushewa ta hanyar centrifuge a kwance, an bushe kayan a 150-170 ° C, kuma an murƙushe busassun kayan da aka tattara.

Idan aka kwatanta da fasahar samar da ether cellulose, yanzuhanyar samarwayana amfani da ethylene oxide a matsayin wakili na etherifying don shirya Gine-gine na MHEC methyl hydroxyethyl cellulose, kuma saboda ya ƙunshi ƙungiyoyin hydroxyethyl, yana da kyakkyawan ikon antifungal. Kyakkyawan kwanciyar hankali danko da juriya na mildew yayin ajiya na dogon lokaci. Yana iya maye gurbin sauran ethers cellulose.

BBabban darajar MHECAbubuwan da aka samo daga cellulose ether,Cellulose ether shine kayan sinadarai mai kyau na polymer tare da fa'idodin amfani da aka yi daga cellulose polymer na halitta ta hanyar magani. Tun da cellulose nitrate da cellulose acetate aka yi a cikin karni na 19th, chemists sun ɓullo da yawa jerin cellulose samu na cellulose ethers. Ana ci gaba da gano sabbin filayen aikace-aikacen kuma yawancin sassan masana'antu suna shiga. Cellulose ether kayayyakin irin su sodium carboxymethyl cellulose (CMC), ethyl cellulose (EC), hydroxyethyl cellulose (HEC), hydroxypropyl cellulose (HPC), methyl hydroxyethyl cellulose (MHEC) Kuma methyl hydroxypropyl cellulose (MHPC) da sauran cellulose ethers an san su kamar yadda "Masana'antu monosodium glutamate" da ginin sa MHEC an yi amfani da ko'ina a tile m, busasshen turmi, siminti da gypsum plasters da dai sauransu.

Marufi:

25kg takarda jaka na ciki tare da PE jakunkuna.

20'FCL: 12Ton tare da palletized, 13.5Ton ba tare da palletized ba.

40'FCL: 24Ton tare da palletized, 28Ton ba tare da palletized ba.