Litokisetso tsa emulsion tsa cosmetic 2 ho tse 2

Motsoako oa oli o na le dipropyl ether ka karolelano ea 3: 1. Hydrophilic emulsifier ke motsoako oa 5:3 oa coco-glucoside (C8-14 APG) le sodium laureth sulfate (SLES) .Motsoako ona oa anionic surfactant o phophomang haholo ke motheo oa mekhoa e mengata ea ho hloekisa 'mele.The hydrophobic co-emulsifier ke glyceryl oleate. (GMO).Boteng ba metsi bo lula bo sa fetohe ho 60%.

Ho qala ka sistimi e se nang oli le e kopanyang emulsifier, motsoako oa 40% C8-14 APG/SLES ka metsing o etsa kristale ea mokelikeli oa hexagonal. Setlolo sa surfactant se na le viscous haholo 'me ha se khone ho pompeloa ho 25℃.

Ke karolo e nyane feela ea motsoako oa C8-14 APG/SLES e nkeloang sebaka ke hydrophobic co-surfactant GMO ho hlahisa karolo e nang le lera le viscosity e mahareng ea 23000 mPa·s ho 1s-1. Ha e le hantle, sena se bolela hore sekontiri se phahameng sa viscosity surfactant se fetoha concentrate ea pumpable surfactant.

Ho sa tsotellehe ho eketseha ha GMO, karolo ea lamellar e ntse e tiile. Leha ho le joalo, viscosity e eketseha haholo 'me e fihla maemong bakeng sa gel ea mokelikeli e ka holimo ho ea karolo ea hexagonal. K'honeng ea GMO, motsoako oa GMO le metsi o etsa gel e tiileng ea cubic. Ha oli e eketsoa, ​​mokelikeli o fapaneng oa hexagonal o etsoa ka metsi e le karolo e ka hare. Hexagonal· mokelikeli oa kristale o ruileng ka li-surfactants le kristale ea mokelikeli oa lamellar li fapane haholo ka maikutlo a tsona mabapi le ho eketsoa ha oli. Le hoja kristale ea mokelikeli oa hexagonal e ka nka oli e nyane haholo, sebaka sa lamellar se namela hole ho leba hukung ea oli. Bokhoni ba kristale ea mokelikeli oa lamellar ho nka oli bo eketseha ka ho hlaka ka litaba tse ntseng li eketseha tsa GMO.

Li-microemulsions li thehoa feela lits'ebetsong tse nang le litaba tse tlaase tsa GMO. Sebaka sa "low-viscosity o/w microemulsions" se tloha sekhutlong sa APG/SLES ho ipapisa le surfactant/oli axis ho fihla ho oli ea 14%. microemulsion e na le 24% surfactants, 4 % coemulsifier le 12% oli, e emelang surfactant e nang le oli e nang le viscosity ea 1600 mPa·s ho 1 S-1.

Sebaka sa lamellar se lateloa ke microemulsion ea bobeli. Microemulsion ena ke gel e nang le oli e ngata e nang le viscosity ea 20,000 mPa·s ho 1 S.^-1(12 % surfactants, 8% coemulsifier, 20 % oli) 'me e loketse joalo ka bate ea foam e refatting. Motsoako oa C8-14 APG / SLES o thusa ho hloekisa thepa le foam, ha motsoako oa mafura o sebetsa e le tlatsetso ea tlhokomelo ea letlalo. e robehile nakong ea tšebeliso.Nakong ea ho hlatsoa, ​​​​microemulsion e nang le lisebelisoa tse loketseng e hlapolotsoe ka metsi a mangata, e ntšang oli le ho sebetsa e le tlatsetso letlalong.

Ho akaretsa, li-alkyl glycosides li ka kopanngoa le li-co-emulsifiers tse loketseng le metsoako ea oli ho lokisa li-microemulsions. E khetholloa ka ho hlaka, botsitso ba mocheso o phahameng, botsitso bo phahameng ba polokelo le ho qhibiliha ho hoholo.

Thepa ea alkyl polyglycosides e nang le liketane tse telele tsa alkyl (C16 ho isa ho C22) joalo ka li-emulsifiers tsa o/w li bonahala le ho feta. Li-emulsion tse tloaelehileng tse nang le joala bo mafura kapa glyceryl stearate e le coemulsifier le consistency regulator, li-alkyl polyglycosides tse telele li bontša botsitso bo molemo ho feta ketane ea C12-14 APG e hlalositsoeng ka holimo. Ha e le hantle, glycosidation e tobileng ea joala e mafura ea C16-18 e lebisa motsoako oa C16-18 alkyl polyglycoside le joala ba cetearyl moo joala ba cetearyl bo ke keng ba qhaloa ka ho feletseng ka mekhoa e tloaelehileng ea ho qoba ho senyeha ha 'mala le monko. Ho sebelisa joala bo setseng ba cetearyl e le li-co-emulsifier, li-self-emulsifying o/w bases tse nang le 20-60% C6/18 alkyl polyglycoside ke tsona tse loketseng ts'ebetsong ea ho etsa litlolo tsa litlolo le litlolo tse thehiloeng holima lihlahisoa tse tala tsa meroho. Viscosity e bonolo ho e fetola ka bongata ba alkyl polyglycoside / cetearyl alcohol compound le botsitso bo babatsehang bo bonoa, esita le tabeng ea li-polar emollients tse ngata, tse kang triglycerides.