Yaya selyl hydroxyl pellulose aka shirya?

Bayan Fage da Overview

Elethulose ether shine amfani da kayan kwalliyar polymer sosai daga sel na zahiri ta hanyar maganin sunadarai. Bayan kera sel nitrate da kuma pelullulose acetate a ƙarni na 19 na, Chemists sun gano ci gaba, da kuma sabbin filayen aikace-aikacen. Serry Produch kamar Sodium Carboxyl Preelululose (CMC), Slell Hydroxyl (HPC), Hydroxypypyp Preal Sel (EC), Hydroxypypyp Preal PLEL (MHPC) da sauran sel ELESOS aka san "Masana Monosodium Glutamate" kuma an yi amfani da su a cikin hakar mai, gini, coftings, abinci, magani da sunadarai na yau da kullun.

Hydroxyethyl methyl preal sel (MHPC) mai kamshin shi ne, mai ƙanshi mai ban sha'awa, mara dadi, wanda ba mai guba wanda za'a iya narkar da mafita mai sanyi don samar da mafita mai kyau. Yana da halayen thickening, ɗauri, watsawa, emulsify, emping, emping, m, danshi da kare Colloid. Saboda manyan hanyoyin aiki na aikin ruwa mai ruwa, ana iya amfani dashi azaman wakili mai kariya na Colloidal, emulsifier da watsawa. Hydroxyehyl methylcellulous bayani yana da kyau hydrophility kuma shine ingantaccen wakilin riƙe ruwa mai inganci. Saboda hydroxyethyl methylcellulo kungiyoyi groups, yana da kwarewar miyen metdew, kyakkyawar kwanciyar hankali da kuma tsayayya da mildew yayin ajiya na dogon lokaci.

An shirya hydroxyethyl methylcellililule (Hemc) ta hanyar gabatar da ethylene irisxide (MS 0.3 ~ 0.4) cikin methyllulose (MC), da juriya na gishiri ne da kyau. Zaɓin zafin jiki na methylellulose shima ya fi na MC.

Abin da aka kafa

Siffa

Babban halaye na hydroxyethyl met methylcellulose (hemc) sune:

1 Ana iya narkar da Hemc a cikin ruwan sanyi. Matsakaicin gamsuwa an ƙaddara shi ne kawai. Sallarin ya bambanta da danko. Ƙananan danko, mafi girma ƙima.

2. Samfuran Resistance: Abubuwan Hevc sune Eionic Cellulose Ehelers kuma ba masu ba da sanda a cikin mafita, saboda haka suna iya haifar da haɓakawa na lantarki da hazo.

3. Aikin gini: saboda farfajiya aiki aiki na mai kwastomomi bayani, ana iya amfani dashi azaman wakili mai kariya, emulsifier da watsawa.

4. Haske mai zafi: lokacin da mai karatun ruwa na kayan ruwa na Hemc yana mai zafi zuwa wani zazzabi, amma lokacin da ake ci gaba da sanyaya shi, yana da kyau a kan asalin cakuda, emulsifiers da sauransu.

5.

6. M mildew juriya: Hemc yana da kyakkyawan kyakkyawan mildew juriya da kyakkyawar kwanciyar hankali yayin ajiya na dogon lokaci.

7. PH Duri: danko na maganin mafita na samfuran Hemc da wuya acid ko alkalami, da darajar PH ya tabbata a cikin kewayon 3.0 zuwa 11.0.

Roƙo

Za'a iya amfani da Hydroxyhose azaman wakili mai kariya ta Colloidal, emulsifier da watsawa saboda aikinta na farfajiya a cikin mafita. Misalai na aikace-aikace sune kamar haka:

1 Hydroxyehyl methylcellulose wani kamshin ƙanshi ne, mai ƙanshi da ba mai guba wanda za'a iya narkar da foda mai sanyi a cikin ruwan sanyi don samar da mafita ta viscous amintaccen bayani. Yana da halayen thickening, ɗauri, watsawa, emulsify, emping, emping, m, danshi da kare Colloid. Tunda bayani mai ruwa mai aiki yana da aiki mai aiki, ana iya amfani dashi azaman wakili mai kariya na Colloidal, emulsifier da watsawa. Hydroxyehyl methylcellulous bayani yana da kyau hydrophility kuma shine ingantaccen wakilin riƙe ruwa mai inganci.

2. A m fenti mai sauƙin fenti an shirya shi, wanda aka yi da abubuwa masu zuwa a sassan ta hanyar nauyi: 150-200 g na narke ruwa; 60-70 g na tsarkakakken acrylic emulsion; 550-650 g na nauyi mai nauyi; 70-90 g na talcum foda; Gindi Celluloous bayani na 30-40g; ligpocelluloos bayani bayani 10-20g; ADDU'A CIKIN SAUKI 4-6G; antiseptik da fysicide 1.5-2.5. Dispersant 1.8-2.2g; Wakilin Wetting 1.8-2.2g; 3.5-4.5G; Ethylene glycol 9-11g; Hydroxyethyl methylcellulous bayani ne ta hanyar narkar da 2-4% hydroxyethyl methylcellululose cikin ruwa; Ana yin maganin lika da ruwa mai ruwa da ruwa a cikin% - Lignocellulose an yi shi ta hanyar narkewa cikin ruwa.

Shiri

Hanyar shiri ta sel methyl, hanyar shine ana amfani da auduga a matsayin wakili na ehilyl don shirya hydroxyhulose. Axarfin sassan albarkatun kasa don shirya hydroxyl methylcellulyl methylellulose sune kamar haka, 700-80 sassa na Sodius, 80-80 sassa na Sodius, 80-80 sassa na Sodon Ethane, 16-19 sassa na Methyl, 16-19 sassa na methyl, 16-19 sassa na methyl, 16-19 sassa na alamomin acetic acid; takamaiman matakai sune:

Mataki na farko, a cikin amsawa, ƙara Toluene da cakuda isopropannol, ruwa, da sodium hydroxide, ruwa har zuwa 6-40 minti;

Mataki na biyu, Alkalization: Cool na sama kayan zuwa 30-50 ° C, cakuda auduga mai sauyawa, kuma zazzabi da ya maye gurbinsu 2 hours, kuma zazzabi na alkalia shine 30 ° C;

Mataki na uku, EThataddifafawa: Bayan an gama alkyalization, mai mayar da martani wanda aka kara oxide da etvyl; Farko mataki na EThersification: 40-60 ° C, 1.0-2.0 Awanni, an sarrafa matsin lamba tsakanin 0.15 da 0.3mpa; Matsayi na biyu na EThertification: 60 ~ 90 ℃, 2.0 ~ 2 2.5 ~ ~ end, matsin lamba tsakanin 0.4 da 0.8mpa;

Mataki na huɗu, tsaka-tsaki: kara auna acetic acid a gaba zuwa 102 ° C don zama 6 da karfe 8, an kammala darajar PH; Tankalin Desolventrevrevrevrevreved ya cika da famfo shafi na OSMO na'uruka na OSMOOS a 90 ° C zuwa 100 ° C;

Mataki na biyar, centrifugal wanke: kayan a mataki na huɗu centrifuge ne ta hanyar ruwan wanki mai cike da ruwan zafi a gaba don wanke kayan abu;

Mataki na shida, Centrifugal bushewa: an isar da kayan da aka wanke a cikin bushewa ta hanyar kwance a kwance, kuma kayan da aka bushe a 150-170 ° C, da kuma kayan bushe da aka murƙushe kuma sun shirya.

Idan aka kwatanta da fasahar samuwar sel na ether na ether, sabuwar dabara ta ethylene oxide na Ethyl, wanda ke da kyawawan juriya na methyl saboda dauke da kungiyoyin Hydroxyl. Tana da kwanciyar hankali mai kyau kuma mildew juriya yayin ajiya na dogon lokaci. Ana iya amfani dashi maimakon wasu masu silin.