I-HydroxyEtheetheetheetheethl seluplose (hec) yi-polymer engeyiyo i-ionic, i-poly-allmer ye-injiki evela kwi-selsulose ngokuguqula iikhemikhali. Iqhelekile isetyenziswa kumashishini ahlukeneyo anjengeecosmetics, amayeza, ulwakhiwo, kunye nemveliso yokutya ngenxa yokutyibilika, ukuzinza kwazo, kunye nokuzinzisa amanzi. Nangona kunjalo, njengayo nayiphi na into yekhemikhali, ukhuseleko lwayo luxhomekeke kwisicelo salo kunye noxinzelelo.
Intshayelelo kwi-Hydroxythyl seluplose (Hec)
I-Hec yeyosapho lakhefu, equka iindidi ze-selsulose eziveliswe ngokulungiswa kweekhemikhali. The addition of hydroxyethyl groups to cellulose molecules enhances their solubility in water, making HEC a valuable compound in industries where water-based formulations are prevalent.
1.Imisebenzi ye-hec:
I-Solubaty yaManzi: I-HEC ibonisa ukulima kakhulu emanzini, ukwenza izisombululo ezicacileyo nezicacileyo.
Ukudityaniswa kweViscosity: Kunokutshintsha kakhulu i-viscosity yezisombululo, kuyenza ibe yiarhente ebalaseleyo.
Uzinzo: Hec uphucula uzinzo lwefomu, ukuthintela ukwahlukana kwesigaba kunye nokuphucula ubomi beshelup.
Ukuqulunqwa kwefilimu: Inepropathi yokwenza ifilimu, iyenza iluncedo kwingubo kunye nemibhede.
I-AIndostion isebenzisa:
I-Cosmetics kunye noKhathalelo lobuqu: I-HEC isetyenziswa ngokubanzi kwi-shampoos, i-sundos, iikhrim, kunye ne-gels njengearhente yokuthambisa kunye nokuzinzisa.
Amayeza: Fumana izicelo kuminyeliso lomlomo, iifom eziphambili, kunye nezisombululo ze-Ophthalmic ngenxa yokwandisa i-viscofity kunye nokuphucula ukwenziwa kwengqondo.
Ulwakhiwo: I-HEC isetyenziswa kwiimveliso ezisekwe kwimo yesamente yokuphucula ukusebenza, ukugcinwa kwamanzi, kunye nokunamathela.
Umzi-mveliso wokutya: kwishishini lokutya, lisebenza njenge-thi cheki, i-stabilizer, kunye ne-mulssifier kwimveliso, iimpahla kunye needesser.
Ukuqwalaselwa kukhuseleko
Iprofayile yeBubity:
Ityhefu esezantsi: I-HEC ithathelwa ingqalelo ukuba ikhuseleke kwizicelo ezahlukeneyo.
Ukungacaphuki: ayicaphukisi eluswini kunye namehlo kwimidlalo eqhelekileyo.
Imvakalelo yokungenisa: hec ayinasizathu sokuphendula ngendlela engeyiyo.
Imingcipheko yenkomfa:
Ingozi yokuphefumla: Amasuntswana amahle e-HeC anokubeka ingozi yokuphefumla ukuba ukhulelwe ngamanani amakhulu ngexesha lokuphatha okanye ukuqhubekeka.
Ukugxininisa okuphezulu: Ukusetyenziswa ngokugqithisileyo okanye ukuqhutywa kwezisombululo ze-HEC ezigxilwe kakhulu kunokubangela ukuba ikhokelele kwi-gestrointentinal.
Ungcoliseko: Ukungcola kumalungiselelo e-Hec kungabeka imingcipheko kuxhomekeke kwindalo yabo kunye nokugxininisa.
5.Fda Imigaqo:
E-United States, uLawulo lweZiyobisi noLawulo lweziyobisi (i-FDA) lulawula ukusetyenziswa kwe-hec ekutyeni, elenza amayeza, kunye ne-cosmetics. Iyavuma amabakala athile e-hec kwizicelo ezahlukeneyo ezisekwe kuvavanyo lokhuseleko.
6.Uuropean Union:
Kwi-European Union, i-HEC ilawulwa phantsi koFendisiso (Uvavanyo, ugunyaziso, kunye nokuthintelwa kweekhemikhali), ukuqinisekisa ukusetyenziswa kwayo ngokukhuselekileyo kunye nokuncitshiswa kwengozi yendalo esingqongileyo kunye nokunciphisa umngcipheko kwindalo esingqongileyo.
I-HydroxyEtheetheetheetheetheetheethl seluplose (hec) yi-polymer eguquguqukayo ngezicelo ezixhaphakileyo kumashishini ahlukeneyo. Xa isetyenziswa ngokwezikhokelo zolawulo kunye nemigangatho yemigangatho, inika umngcipheko omncinci kwimpilo yabantu nakwindawo esingqongileyo. Nangona kunjalo, njengayo nayiphi na into ethile yekhemikhali, ukuphatha ngokufanelekileyo, ukugcinwa, nokugcinwa kweenkcitho kubalulekile ukunciphisa iingozi ezinokubakho. Ngokubanzi, uHec uyaqhubeka nokudlala indima ebalulekileyo ekwandiseni umgangatho kunye nokusebenza kweemveliso ezininzi ngelixa ugcina iprofayile efanelekileyo yokhuseleko.
IXESHA LOKUQALA: NgoFebwe-18 ukuya kwi-1825