I-HydroxyEtheetheetheetheetheetheethl seluplose (hec) i-polymer engeyiyo i-ionic, i-poly-bicmer ye-un-ards esuswe kwi-seluplose, i-polymer yemvelo eyenzeka ngokwemvelo ifumaneka kwiindonga zeseli. Isetyenziswe ngokubanzi kumashishini ahlukeneyo njengamayeza, i-cosmetics, iipeyinti, imingxunya, kunye neemveliso zokutya ngenxa yepropathi yayo eyahlukileyo efana nokugcinwa kwamanzi. Nangona kunjalo, ukuxoxa ngexabiso le-HYE le-HEC kufuna ukuqonda ngokubanzi kweepropathi, ulwakhiwo, kunye nokusetyenziswa.
Ukuqonda i-hydroxythyl seluplose (hec):
I-1. Ubume bemichiza:
I-Hec idityaniswe yindlela ye-seluplose ethylene oxide, ekhokelela ekuqaliseni kwamaqela e-hydroxyyl (-C2C3H2Uh
Inqanaba lokufakwa endaweni (DS) libhekisa kwinani le-hydroxyythy yeyunithi nganye ye-GluLOse kwi-selsulose chain kwaye ichaza iipropathi ze-hec. Amaxabiso aphezulu e-DS akhokelela ekunyukeni kokungasebenzi kwamanzi kunye nokuvalelwa okuphantsi.
2. Iipropathi:
I-Hec inyibiliza emanzini kwaye icacisa izisombululo ezicacileyo, ezikwenza ilungele izicelo ezahlukeneyo ezifuna ukumiswa okungabonakaliyo.
Ibonisa indlela ye-pgeudostistic, intsingiselo yokuthanda kwakhe incipha phantsi koxinzelelo lwe-Shear, ivumela ukusetyenziswa ngokulula kunye nokuphatha.
UVenkile weZisombululo zeHec ichukunyiswe zizinto ezinje ngoxinzelelo, ubushushu, i-PH, kunye nobukho beetyuwa okanye ezinye izongeziweyo.
3. Izicelo:
Amayeza: Hec usetyenziswa njenge-thi checkener kunye ne-stabilizer kwifomu esemthethweni kunye nezihloko zamayeza ezifana ne-ostings, iikhrim, kunye nokumiswa.
I-cosmetics: Sisithako esiqhelekileyo kwiimveliso zononophelo zobuqu kubandakanya i-shampoos, i-lotions, kunye neekhreti ngenxa yokutsalwa kwayo kunye nokuzimisela iipropathi.
Iipeyinti kunye neengubo: hec yongezwa kwi-paints, i-cayings, kunye nokubulala izibhengezo zokulawula i-viscofity, ukuphucula iipropathi zokuhamba, kunye nokuphucula i-fictions yefilimu.
Umzi-mveliso wokutya: kwiimveliso zokutya, i-HEC isebenza njenge-gickener, i-stabilizer, kunye ne-mulsifier kwizinto ezifana neesosi, ukunxiba, kunye neemveliso zobisi.
Ixabiso le-hydroxyythl seluplose (hec):
1. I-PH Rexgence:
I-PH yesisombululo esine-hec inokuphembelela indlela yokuziphatha kwayo kunye nokusebenza kwezicelo ezahlukeneyo.
Ngokubanzi, i-HEC iyazinza malunga ne-PH ye-PH, ngokwesiqhelo phakathi kwe-PH 2 kunye ne-PH 12. Nangona kunjalo, iimeko ze-ps ezigqithisileyo zinokuchaphazela iipropathi kunye nozinzo.
2. Iziphumo ze-PH kwi-viscosity:
UVenkile weZisombululo zeHec inokuba lixhomekeke kakhulu, ngakumbi kwiindawo eziphakamileyo okanye eziphantsi.
Kufuphi ne-PHROLY PH (PH 5-8), izisombululo ze-hec zihlala zibonisa ubukhulu bayo.
Kwixabiso eliphantsi kakhulu okanye eliphezulu le-PH, i-Selelose i-selllone inokuhlala i-hydrolysis, ikhokelela ekunciphiseni kwe-viscofity kunye nokuzinza.
3. Uhlengahlengiso:
Kwimisebenzi apho kufuneka uhlengahlengiso lwe-PP, i-Buffers ihlala isetyenziselwa ukugcina uluhlu olufunwayo.
Ii-buffers eziqhelekileyo ezinje nge-citteratic okanye i-phosphate buffers zihambelana ne-hec kwaye zincedise ukuzinzisa iipropathi zayo ngaphakathi kuluhlu oluthile lwe-PH.
4. Ukuqwalaselwa kwesicelo:
Iifomula kufuneka ziqwalasele ukungqinelana kwe-HEC kunye nezinye izithako ekuqulunqweni.
Ngamanye amaxesha, uhlengahlengiso kwi-PH yoqulunqwa inokucelwa ukuba isebenze ukusebenza kwe-hec.
I-HydroxyEtheetheetheetheetheetheethl seluplose (hec) yi-polymer eguquguqukayo ngezicelo ezixhaphakileyo kumashishini ahlukeneyo. Ngelixa i-PH i-PH inamandla ngokubanzi isebenza ngaphezulu koluhlu olubanzi, i-PH GORGES inokuba nefuthe kwintsebenzo kunye nozinzo. Ukuqonda ukuxhomekeka kwe-HOC kubalulekile ekuqulunqeni iimveliso ezisebenzayo nezizinzileyo kwiindawo ze-chimmeruticals, i-cosmetics, iipeyinti, iipeyinti, kunye neemveliso zokutya. Ngokujonga ukungqinelana kwe-PH kwaye uqashe ngeendlela ezifanelekileyo, i-HC inokuqhubeka nokusebenza njengesithako esixabisekileyo kuluhlu oluqhelekileyo lwezicelo.
IXESHA LOKUQALA: APR-15 ukuya ku-2424