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Hydrated ya hydroxyethyl selulose ether mugisubizo cyamazi

Hydroxyethyl selulose (HEC) ikomeza gushonga cyane hejuru yubushyuhe bwagutse, ndetse no mu turere tw’ubushyuhe bwo hejuru aho utundi turere twa ionic twahinduwe na selile nka methyl selulose (MC) na hydroxypropyl methyl selulose (HpMC) werekana ingingo zidahungabana.Kugira ngo hamenyekane icyateye ubukana bwinshi bwa HEC, ubushyuhe bw’ubushyuhe bw’amazi nH kuri buri gice cya glucopyran mu cyitegererezo cya HEC cyasuzumwe hejuru y’ubushyuhe bukurikira buri hagati ya 10 na 70 ° C hifashishijwe ibipimo bya dielectric spekure cyane kugeza kuri 50 GHz.
Muri ubu bushakashatsi, hasuzumwe icyitegererezo cya HEC ku mubare w’imisemburo ya hydroxyethyl (MS) ya buri glucose pyran igizwe na 1.3 kugeza 3.6.Ingero zose za HEC zashongeshejwe mumazi murwego rwubushyuhe bwasuzumwe kandi ntizigaragaza aho zihungabana.NH agaciro k'icyitegererezo cya HEC hamwe na MS 1.3 ni 14 kuri 20 ° C, kandi igabanuka gahoro gahoro ubushyuhe buzamuka, kandi bugabanuka kugera kuri 10 kuri 70 ° C.Agaciro PH ya sample ya HEC biragaragara ko ari nini kuruta byibuze byibuze nH agaciro kagereranijwe.5 Ether ya selile nka MC na HpMC igomba gushonga mumazi, ndetse no mubushyuhe bwo hejuru.
Molekile ya HEC, ariko, irashobora gushonga amazi hejuru yubushyuhe bwinshi.Ubushyuhe bushingiye kuri nH bw'icyitegererezo cya HEC na triglycol (icyitegererezo cy'ibisimbuza HEC) biroroshye kandi birasa.Iri genzura ryerekana neza ko imyitwarire ya hydration / dehydrasi yingero za HEC igenzurwa ahanini nitsinda ryabasimbuye.3 ni 14 kuri 20 ° C, igabanuka gahoro gahoro ubushyuhe buzamuka, kandi bugabanuka kugera kuri 10 kuri 70 ° C.NH agaciro ka sample ya HEC biragaragara ko ari nini kuruta byibuze byibuze nH agaciro kagereranijwe.5 Ether ya selile nka MC na HpMC igomba gushonga mumazi, ndetse no mubushyuhe bwo hejuru.Molekile ya HEC, ariko, irashobora gushonga amazi hejuru yubushyuhe bwinshi.Ubushyuhe bushingiye kuri nH bw'icyitegererezo cya HEC na triglycol (icyitegererezo cy'ibisimbuza HEC) biroroshye kandi birasa.
Iri genzura ryerekana neza ko imyitwarire ya hydration / dehydrasi yingero za HEC igenzurwa ahanini nitsinda ryabasimbuye.3 ni 14 kuri 20 ° C, igabanuka gahoro gahoro ubushyuhe buzamuka, kandi bugabanuka kugera kuri 10 kuri 70 ° C.NH agaciro ka sample ya HEC biragaragara ko ari nini kuruta byibuze byibuze nH agaciro kagereranijwe.5 Ether ya selile nka MC na HpMC igomba gushonga mumazi, ndetse no mubushyuhe bwo hejuru.Molekile ya HEC, ariko, irashobora gushonga amazi hejuru yubushyuhe bwinshi.Ubushyuhe bushingiye kuri nH bw'icyitegererezo cya HEC na triglycol (icyitegererezo cy'ibisimbuza HEC) biroroshye kandi birasa.Iri genzura ryerekana neza ko imyitwarire ya hydration / dehydrasi yingero za HEC igenzurwa ahanini nitsinda ryabasimbuye.
NH agaciro ka sample ya HEC biragaragara ko ari nini kuruta byibuze byibuze nH agaciro kagereranijwe.5 Ether ya selile nka MC na HpMC igomba gushonga mumazi, ndetse no mubushyuhe bwo hejuru.Molekile ya HEC, ariko, irashobora gushonga amazi hejuru yubushyuhe bwinshi.Ubushyuhe bushingiye kuri nH bw'icyitegererezo cya HEC na triglycol (icyitegererezo cy'ibisimbuza HEC) biroroshye kandi birasa.Iri genzura ryerekana neza ko imyitwarire ya hydration / dehydrasi yingero za HEC igenzurwa ahanini nitsinda ryabasimbuye.NH agaciro ka sample ya HEC biragaragara ko ari nini kuruta byibuze byibuze nH agaciro kagereranijwe.5 Ether ya selile nka MC na HpMC igomba gushonga mumazi, ndetse no mubushyuhe bwo hejuru.Molekile ya HEC, ariko, irashobora gushonga amazi hejuru yubushyuhe bwinshi.Ubushyuhe bushingiye kuri nH bw'icyitegererezo cya HEC na triglycol (icyitegererezo cy'ibisimbuza HEC) biroroshye kandi birasa.
Iri genzura ryerekana neza ko imyitwarire ya hydration / dehydrasi yingero za HEC igenzurwa ahanini nitsinda ryabasimbuye.Molekile ya HEC irashobora gushonga amazi hejuru yubushyuhe bwinshi.Ubushyuhe bushingiye kuri nH bw'icyitegererezo cya HEC na triglycol (icyitegererezo cy'ibisimbuza HEC) biroroshye kandi birasa.Iri genzura ryerekana neza ko imyitwarire ya hydration / dehydrasi yingero za HEC igenzurwa ahanini nitsinda ryabasimbuye.Molekile ya HEC irashobora gushonga amazi hejuru yubushyuhe bwinshi.Ubushyuhe bushingiye kuri nH bw'icyitegererezo cya HEC na triglycol (icyitegererezo cy'ibisimbuza HEC) biroroshye kandi birasa.Iri genzura ryerekana neza ko imyitwarire ya hydration / dehydrasi yingero za HEC igenzurwa ahanini nitsinda ryabasimbuye.


Igihe cyo kohereza: Werurwe-04-2022