Ruwan hydroxyethyl cellulose ether a cikin ruwan magani

Hadin Hydroxyethyl cellulose (HEC)Ya kasance mai narkewa sosai a cikin ruwa a cikin kewayon zafin jiki mai faɗi, har ma a yankuna masu zafi mai yawa inda wasu ƙwayoyin cellulose marasa ionic waɗanda aka gyara ta hanyar sinadarai kamar methyl cellulose (MC) da hydroxypropyl methyl cellulose (HpMC) ke nuna wuraren turbidity. Domin fayyace dalilin yawan narkewar HEC, an binciki yanayin zafi na abun da ke cikin ruwa nH ga kowane naúrar glucopyran a cikin samfuran HEC a cikin waɗannan zafin jiki daga 10 zuwa 70 °C ta amfani da ma'aunin dielectric mai yawan mita har zuwa 50 GHz.
A cikin wannan binciken, an binciki samfuran HEC don ganin adadin molar na maye gurbin hydroxyethyl (MS) na kowace naúrar glucose pyran daga 1.3 zuwa 3.6. An narkar da duk samfuran HEC a cikin ruwa a cikin kewayon zafin jiki da aka bincika kuma ba su nuna alamun turbidity ba. Ƙimar nH na samfuran HEC tare da MS 1.3 shine 14 a 20 °C, kuma yana raguwa a hankali tare da hauhawar zafin jiki, kuma yana raguwa zuwa 10 a 70 °C. Ƙimar PH na samfurin HEC a bayyane yake ya fi mafi ƙarancin ƙimar nH mai mahimmanci na kimanin. Dole ne a narkar da ethers cellulose guda 5 kamar MC da HpMC a cikin ruwa, koda a cikin kewayon zafin jiki mai yawa.
Duk da haka, ƙwayoyin HEC suna narkewa cikin ruwa a cikin kewayon zafin jiki mai faɗi. Dogayen zafin nH na samfuran HEC da triglycol (samfurin mahaɗan maye gurbin HEC) yana da laushi kuma suna kama da juna. Wannan lura ya nuna da ƙarfi cewa halayen ruwan/rashin ruwa na samfuran HEC galibi ana sarrafa su ne ta hanyar ƙungiyoyin da aka maye gurbinsu. 3 shine 14 a 20 °C, yana raguwa a hankali yayin da zafin jiki ke ƙaruwa, kuma yana raguwa zuwa 10 a 70 °C. Ƙimar nH na samfurin HEC a bayyane yake ya fi girma fiye da mafi ƙarancin ƙimar nH mai mahimmanci na kimanin 5 Cellulose ethers kamar MC da HpMC dole ne a narkar da su cikin ruwa, koda a cikin kewayon zafin jiki mai yawa. Duk da haka, ƙwayoyin HEC suna narkewa cikin ruwa a cikin kewayon zafin jiki mai faɗi. Dogayen zafin nH na samfuran HEC da triglycol (samfurin mahaɗan maye gurbin HEC) yana da laushi kuma suna kama da juna.
Wannan lura ya nuna cewa halayen ruwan/rashin ruwa na samfuran HEC galibi ana sarrafa su ne ta hanyar ƙungiyoyin da aka maye gurbinsu. 3 shine 14 a 20 °C, yana raguwa a hankali yayin da zafin jiki ke ƙaruwa, kuma yana raguwa zuwa 10 a 70 °C. Ƙimar nH na samfurin HEC a bayyane yake ya fi girma fiye da mafi ƙarancin ƙimar nH mai mahimmanci na kimanin. Dole ne a narkar da ethers na Cellulose kamar MC da HpMC a cikin ruwa, koda a cikin kewayon zafin jiki mai yawa. Duk da haka, ƙwayoyin HEC suna narkewa cikin ruwa a cikin kewayon zafin jiki mai faɗi. Dogaron zafin nH naHECsamfurori da triglycol (samfurin mahaɗan HEC) suna da laushi kuma suna kama da juna. Wannan lura ya nuna cewa halayen ruwa/rashin ruwa na samfuran HEC galibi ana sarrafa su ne ta hanyar ƙungiyoyin da aka maye gurbinsu.
Ƙimar nH na samfurin HEC a bayyane take ta fi ƙanƙantar ƙimar nH mai mahimmanci ta kimanin 5 ethers na cellulose kamar MC da HpMC dole ne a narkar da su cikin ruwa, koda a cikin kewayon zafin jiki mai yawa. Duk da haka, ƙwayoyin HEC suna narkewa cikin ruwa a cikin kewayon zafin jiki mai faɗi. Dogayen zafin nH na samfuran HEC da triglycol (samfurin mahaɗan HEC) yana da sauƙi kuma suna kama da juna. Wannan lura ya nuna da ƙarfi cewa halayen ruwa/rashin ruwa na samfuran HEC galibi ana sarrafa su ta hanyar ƙungiyoyin da aka maye gurbinsu. Ƙimar nH na samfurin HEC a bayyane yake ya fi girma fiye da mafi ƙarancin ƙimar nH mai mahimmanci na kimanin 5 ethers na cellulose kamar MC da HpMC dole ne a narkar da su cikin ruwa, koda a cikin kewayon zafin jiki mai yawa. Duk da haka, ƙwayoyin HEC suna narkewa cikin ruwa a cikin kewayon zafin jiki mai faɗi. Dogayen zafin nH na samfuran HEC da triglycol (samfurin mahaɗan HEC) yana da laushi kuma suna kama da juna.
Wannan lura ta nuna cewa halayen ruwan/rashin ruwa na samfuran HEC galibi ana sarrafa su ne ta hanyar ƙungiyoyin da aka maye gurbinsu. Kwayoyin HEC suna narkewa cikin ruwa a cikin kewayon zafin jiki mai faɗi. Dogaron zafin nH na samfuran HEC da triglycol (samfurin mahaɗan HEC) yana da sauƙi kuma suna kama da juna. Wannan lura ta nuna cewa halayen ruwan/rashin ruwa na samfuran HEC galibi ana sarrafa su ne ta hanyar ƙungiyoyin da aka maye gurbinsu.HECKwayoyin halittar suna narkewa cikin ruwa a cikin kewayon zafin jiki mai faɗi. Dogayen zafin nH na samfuran HEC da triglycol (samfurin mahaɗan HEC) yana da sauƙi kuma suna kama da juna. Wannan lura ya nuna cewa halayen ruwa/rashin ruwa na samfuran HEC galibi ana sarrafa su ta hanyar ƙungiyoyin da aka maye gurbinsu.