Hydroxyethyl cellulose (HEC)na-anọgide na-enwe oke mmiri-soluble n'elu a dịgasị iche iche okpomọkụ nso, ọbụna na elu-okpomọkụ mpaghara ebe ndị ọzọ na-abụghị ionic chemically cellulose ethers gbanwetụrụ dị ka methyl cellulose (MC) na hydroxypropyl methyl cellulose (HpMC) na-egosipụta turbidity isi. Iji kọwapụta ihe kpatara oke solubility nke HEC, a na-enyocha ndabere ọnọdụ okpomọkụ nke ihe mejupụtara mmiri nH maka nkeji glucopyran ọ bụla na nlele HEC n'elu ọnọdụ okpomọkụ ndị a sitere na 10 ruo 70 Celsius C site na iji nha dielectric dị elu nke ukwuu ruo 50 GHz.
N'ime ọmụmụ ihe a, a na-enyocha ihe nlele HEC maka ọnụọgụ molar nke nnọchi hydroxyethyl (MS) nke otu glucose pyran ọ bụla sitere na 1.3 ruo 3.6. A na-agbaze ihe nlele HEC niile n'ime mmiri n'ime oke okpomọkụ a na-enyocha ma gosipụtaghị ihe ọ bụla turbidity. NH uru nke HEC samples na MS 1.3 bụ 14 na 20 Celsius C, ma na-ebelata nwayọọ nwayọọ na okpomọkụ na-ebili, na-adaba na 10 na 70 Celsius. O doro anya na uru PH nke nlele HEC buru ibu karịa uru nH kacha mkpa dị ihe ruru. 5 Cellulose ethers dị ka MC na HpMC ga-agbaze na mmiri, ọbụlagodi na oke okpomọkụ.
Otú ọ dị, ụmụ irighiri HEC bụ mmiri na-agbaze n'elu oke okpomọkụ. Ndabere okpomọkụ nke nH nke ihe nlele HEC na triglycol (ngwugwu ihe atụ nke HEC) dị nro ma ha yiri ibe ha. Nlebanya a na-egosi nke ọma na omume hydration/mmiri mmiri nke ihe nlele HEC bụ nke ndị otu ha nọchiri anya na-achịkwa nke ukwuu. 3 bụ 14 na 20 Celsius C, na-agbada nwayọọ nwayọọ ka okpomọkụ na-ebili, ma na-adaba na 10 na 70 Celsius. O doro anya na uru nH nke nlele HEC buru ibu karịa uru nH kacha mkpa dị ihe ruru. 5 Cellulose ethers dị ka MC na HpMC ga-agbaze na mmiri, ọbụlagodi na oke okpomọkụ. Otú ọ dị, ụmụ irighiri HEC bụ mmiri na-agbaze n'elu oke okpomọkụ. Ndabere okpomọkụ nke nH nke ihe nlele HEC na triglycol (ngwugwu ihe atụ nke HEC) dị nro ma ha yiri ibe ha.
Nlebanya a na-egosi nke ọma na omume hydration/mmiri mmiri nke ihe nlele HEC bụ nke ndị otu ha nọchiri anya na-achịkwa nke ukwuu. 3 bụ 14 na 20 Celsius C, na-agbada nwayọọ nwayọọ ka okpomọkụ na-ebili, ma na-adaba na 10 na 70 Celsius. O doro anya na uru nH nke nlele HEC buru ibu karịa uru nH kacha mkpa dị ihe ruru. 5 Cellulose ethers dị ka MC na HpMC ga-agbaze na mmiri, ọbụlagodi na oke okpomọkụ. Otú ọ dị, ụmụ irighiri HEC bụ mmiri na-agbaze n'elu oke okpomọkụ. Ndabere ọnọdụ okpomọkụ nke nH nkeHECsamples na triglycol (ihe atụ ogige nke HEC substituents) dị nwayọọ na ha yiri ibe ha. Nlebanya a na-egosi nke ọma na omume hydration/mmiri mmiri nke ihe nlele HEC bụ nke ndị otu ha nọchiri anya na-achịkwa nke ukwuu.
O doro anya na uru nH nke nlele HEC buru ibu karịa uru nH kacha mkpa dị ihe ruru. 5 Cellulose ethers dị ka MC na HpMC ga-agbaze na mmiri, ọbụlagodi na oke okpomọkụ. Otú ọ dị, ụmụ irighiri HEC bụ mmiri na-agbaze n'elu oke okpomọkụ. Ndabere okpomọkụ nke nH nke ihe nlele HEC na triglycol (ngwugwu ihe atụ nke HEC) dị nro ma ha yiri ibe ha. Nlebanya a na-egosi nke ọma na omume hydration/mmiri mmiri nke ihe nlele HEC bụ nke ndị otu ha nọchiri anya na-achịkwa nke ukwuu. O doro anya na uru nH nke nlele HEC buru ibu karịa uru nH kacha mkpa dị ihe ruru. 5 Cellulose ethers dị ka MC na HpMC ga-agbaze na mmiri, ọbụlagodi na oke okpomọkụ. Otú ọ dị, ụmụ irighiri HEC bụ mmiri na-agbaze n'elu oke okpomọkụ. Ndabere okpomọkụ nke nH nke ihe nlele HEC na triglycol (ngwugwu ihe atụ nke HEC) dị nro ma ha yiri ibe ha.
Nlebanya a na-egosi nke ọma na omume hydration/mmiri mmiri nke ihe nlele HEC bụ nke ndị otu ha nọchiri anya na-achịkwa nke ukwuu. Mkpụrụ ndụ HEC bụ mmiri na-agbaze n'elu oke okpomọkụ. Ndabere okpomọkụ nke nH nke ihe nlele HEC na triglycol (ngwugwu ihe atụ nke HEC) dị nro ma ha yiri ibe ha. Nlebanya a na-egosi nke ọma na omume hydration/mmiri mmiri nke ihe nlele HEC bụ nke ndị otu ha nọchiri anya na-achịkwa nke ukwuu.HECụmụ irighiri ihe na-agbaze mmiri karịa oke okpomọkụ. Ndabere okpomọkụ nke nH nke ihe nlele HEC na triglycol (ngwugwu ihe atụ nke HEC) dị nro ma ha yiri ibe ha. Nlebanya a na-egosi nke ọma na omume hydration/mmiri mmiri nke ihe nlele HEC bụ nke ndị otu ha nọchiri anya na-achịkwa nke ukwuu.
Oge nzipu: Eprel-25-2024