I-Hydroxyethylcellulose vs i-carbomer

IHydroxyethylcellulose (HEC) kunye ne-carbomer zimbini iipolima ezisetyenziswa ngokuqhelekileyo kwishishini lokhathalelo lomntu. Zinezakhiwo zeekhemikhali ezahlukeneyo kunye neempawu, ezenza ukuba zilungele izicelo ezahlukeneyo.

I-HEC yindalo, i-polymer e-soluble yamanzi ephuma kwi-cellulose. Iqhele ukusetyenziswa njenge-thickener, emulsifier, kunye ne-stabilizer kwiimveliso ezahlukeneyo zokhathalelo lomntu ezifana neshampu, i-conditioners, kunye nokuhlamba umzimba. I-HEC iyaziwa ngokuhambelana kwayo okuphezulu kunye nezinye izithako kunye nokukwazi kwayo ukubonelela ngokucokisekileyo kunye ne-creamy texture ekuqulunqweni. Ikwaziwa nangokucaca kwayo kakuhle kunye netyhefu ephantsi.

I-Carbomer, kwelinye icala, i-synthetic, i-polymer yobunzima bemolekyuli ephezulu edla ngokusetyenziswa njenge-agent yokuqina kwiimveliso ezahlukeneyo zokhathalelo lomntu ezifana neegels kunye ne-lotions. Isebenza kakuhle ekuqinisweni nasekuzinziseni ukwakheka, kwaye inokubonelela ngeqondo eliphezulu lokucaca kunye nokumiswa kwimveliso egqityiweyo. ICarbomer yaziwa ngolawulo lwayo oluhle kakhulu lwe-viscosity kunye nokukwazi ukwandisa ukusasazeka kweemveliso.

Olunye ulwahlulo oluphambili phakathi kwe-HEC kunye ne-carbomer kukunyibilika kwamanzi. I-HEC i-soluble kakhulu emanzini, ngelixa i-carbomer idinga ukungathathi hlangothi kunye ne-agent ye-alkaline efana ne-triethanolamine okanye i-sodium hydroxide ukuze ibe yi-hydrated ngokupheleleyo kwaye igxininiswe. Ukongezelela, i-HEC iyaziwa ngokuba yi-sensitivity ephantsi kwi-pH kunye nokutshintsha kweqondo lokushisa, ngelixa i-carbomer inokuchaphazeleka ngotshintsho kwi-pH kunye nokushisa.

Isishwankathelo, i-HEC kunye ne-carbomer zimbini iintlobo ezahlukeneyo zeepolymers ezinezakhiwo ezizodwa kunye nokusetyenziswa. I-HEC yipolymer yendalo, enyibilikayo emanzini esetyenziswa ngokuqhelekileyo njenge-thickener kunye ne-emulsifier, ngelixa i-carbomer i-synthetic, i-polymer yobunzima bemolekyuli ephezulu kakhulu esebenza kakuhle ekuxubeni nasekuzinziseni ukwakheka. Ukukhethwa kwepolymer kuxhomekeke kwiimfuno ezithile kunye neempawu zokuqulunqwa.