Gabatarwa ga Hydroxyethyl Methyl Cellulose HEMC

Bayanan Asali naCellulose na Hydroxyethyl Methyl

Sunan Sin: hydroxyethyl methyl cellulose
Sunan Turanci: Hymetellose328
Sunan Sinanci: hydroxyethyl methyl cellulose; hydroxyethyl methyl cellulose; hydroxymethyl ethyl cellulose; 2-hydroxyethyl methyl ether cellulose
Sunan Ingilishi: Methylhydroxyethylcellulose; Cellulose; 2-hydroxyethyl methyl ether; HEMC; Tyopur MH[1]
Sinadaran Halitta: Hydroymethylmethylelecellulose; Hydroxyethylmethylcellulose; Hydroxymethylethylcellulose.

Kwayoyin Halitta: C2H6O2 xCH4O x PhEur 2002 ya bayyana hydroxyethylmethylcellulose a matsayin wani ɓangare na O-methylated, wani ɓangare na O-hydroxymethylated cellulose. An bayyana ƙayyadaddun bayanai daban-daban dangane da bayyanar danko a cikin mPa s na maganin ruwa mai 2% w/v a 20°C.
Nauyin kwayoyin halitta: PhEur 2002 ya bayyana hydroxyethylmethylcellulose a matsayin wani ɓangare na O-methylated, wani ɓangare na O-hydroxymethylated cellulose. An bayyana ƙayyadaddun bayanai daban-daban dangane da bayyanar danko a cikin mPa s na ruwan da ke cikin 2% w/v a 20°C.

Babban halayen hydroxyethyl methyl cellulose (HEMC) sune:

1. Narkewa: yana narkewa a cikin ruwa da wasu sinadarai na halitta, HEMC za a iya narkewa a cikin ruwan sanyi, matsakaicin yawansa ana tantance shi ne kawai ta hanyar danko, narkewa ya bambanta da danko, ƙarancin danko, mafi girman narkewa.

2. Juriyar Gishiri: Kayayyakin HEMC ba su da sinadarin cellulose ethers kuma ba polyelectrolytes ba ne, don haka a gaban gishirin ƙarfe ko electrolytes na halitta, suna da ƙarfi sosai a cikin ruwan da ke cikinsa, amma ƙara yawan electrolytes na iya haifar da gelation da hazo.

3. Ayyukan saman: Ganin cewa ruwan yana da aikin aikin saman, ana iya amfani da shi azaman wakili mai kariya daga colloid, emulsifier da kuma mai watsawa.

4. Gel mai zafi: Idan aka dumama ruwan samfurin HEMC zuwa wani zafin jiki, zai zama ba ya bayyana, gels, kuma ya samar da wani abu mai fashewa, amma idan aka ci gaba da sanyaya shi, yana komawa ga yanayin ruwan da aka samo asali, kuma wannan gel da ruwan sama suna faruwa. Zafin ya dogara ne akan man shafawa, kayan taimako na dakatarwa, colloids masu kariya, emulsifiers, da sauransu.

5. Rashin kuzarin metabolism da ƙarancin wari da ƙamshi: Ana amfani da HEMC sosai a abinci da magunguna saboda ba a haɗa shi da sinadarai ba kuma yana da ƙarancin wari da ƙamshi.

6. Maganin kashe fungal: HEMC yana da kyakkyawan ikon kashe fungal da kuma kyakkyawan kwanciyar hankali yayin ajiya na dogon lokaci.

7. Daidaiton PH: Danko naHEMCMaganin ruwa da aka samar ba ya shafar sinadarin acid ko alkali kwata-kwata, kuma ƙimar pH ɗin tana da ƙarfi sosai a cikin kewayon 3.0-11.0.

Amfani: Ana iya amfani da Hydroxyethyl methyl cellulose a matsayin wakili mai kariya daga colloid, emulsifier da kuma warwatsewa saboda aikin saman ruwan da ke aiki. Misalin amfani da shi shine kamar haka: Tasirin hydroxyethyl methyl cellulose akan halayen siminti. Hydroxyethyl methylcellulose fari ne mara ƙamshi, mara ɗanɗano, kuma mara guba wanda ke narkewa a cikin ruwan sanyi don samar da mafita mai haske, mai ɗanɗano. Yana da halayen kauri, ɗaurewa, warwatsewa, emulsifying, ƙirƙirar fim, dakatarwa, shawa, gelling, aiki a saman, riƙe danshi da kare colloids. Saboda aikin saman ruwan da ke aiki, ana iya amfani da shi azaman wakili mai kariya daga colloid, emulsifier da kuma warwatsewa. Maganin ruwa na Hydroxyethyl methyl cellulose yana da kyakkyawan hydrophilicity kuma wakili ne mai ƙarfi na riƙe ruwa.