Hydroxyethyl methyl cellulose

Hydroxyethyl methyl cellulose (HEMC) an shirya ta gabatar da maye gurbin ethylene cikin methyl cellulose (MC). Haƙurinsa na gishiri ya fi na polymer wanda ba a canza shi ba, kuma zafin yanayin gel na methyl hydroxyethyl cellulose ya fi na methyl cellulose.

.Property

1. Bayyanarwa: Farar fata ko farar fulawa makamancinsa, babu mujallar injina, mai kamshi da dandano

2. Zazzabi mai zafi (℃) ： 60-90

3. Ruwan ciki （Wt%）: ≤5.0

4. Ash abun ciki （Wt%）: ≤5.0

5.HP: 5.0-8.0

6. Fineness: ≥80 raga

7. danko （mPa.s, 2% maganin ruwa, 20 ± 0.2 ℃）: 100000-20000

Ⅱ.Main fasaha na fasaha

1. Solubility: samfurin H a cikin HEMC ana iya narkar da shi a cikin ruwan sanyi da ruwan zafi, yayin da samfurin L za'a iya narkar da shi ne kawai a cikin ruwan sanyi, yayin da HEMC ba ta narkewa a cikin mafi yawan ƙwayoyin halitta. HEMC ɗin da aka bi da shi ya warwatse a cikin ruwan sanyi kuma baya yin agglomerate. Koyaya, ana iya rushe shi da sauri ta hanyar daidaita kimarta ta PH zuwa 8-10

2. Tsarewar PH: ƙimar pH a cikin kewayon canjin canji na 2-12 yana da ƙanana, sama da wannan ganuwar ganuwa yana raguwa

3. HEMC yana da halayen lokacin farin ciki, dakatarwa, watsawa, danshi, emulsification, kirkirar fim da riƙe ruwa, ƙarfin riƙe ruwan shi ya fi ƙarfin methylcellulose. Stabilityarfin danko, juriya da warwatsewa sun fi cellulose na hydroxyethyl kyau

Ⅲ. Amfani da kiyayewa

Anyi amfani da HEMC sosai a sigar murfin latex na ruwa, kayan gini da kayan gini, tawada bugu, hako mai, da sauransu

Ⅳ. Kunshin da ajiya

1.Wannan samfurin yana da takaddun bayanan aminci masu aminci da bayanan izinin sufuri na aminci

2.Shin wannan samfurin yana cikin akwatina mai nauyin kilogram 25 da kuma jakar fim ɗin filastik

3.Sore a cikin wurin bushe, kula da hujja mai danshi