Nkwadebe emulsion ịchọ mma 2 nke 2
Ngwakọta mmanụ mejupụtara dipropyl ether na nha nke 3: 1. The hydrophilic emulsifier bụ 5: 3 ngwakọta nke coco-glucoside (C8-14 APG) na sodium laureth sulfate (SLES) .Nke a ukwuu ụfụfụ anionic surfactant ngwakọta bụ ihe ndabere nke ọtụtụ ahụ ihicha formulations.The hydrophobic co-emulsifier bụ glyceryl oleate. (GMO) .Ọdịnaya mmiri na-agbanwe agbanwe na 60%.
Malite na usoro mmanụ na-enweghị mmanụ na ngalaba-emulsifier, ngwakọta 40% C8-14 APG/SLES dị na mmiri na-etolite kristal mmiri mmiri hexagonal. The surfactant mado bụ ukwuu viscous na enweghị ike pumped na 25 ℃.
Naanị obere akụkụ nke C8-14 APG/SLES ngwakọta na-edochi ya na hydrophobic co-surfactant GMO iji mepụta usoro oyi akwa na viscosity ọkara nke 23000 mPa·s na 1s-1. Na omume, nke a pụtara na elu viscosity surfactant mado na-aghọ a pumpable surfactant uche.
N'agbanyeghị ụbara ọdịnaya GMO, usoro lamellar na-adịgide. Otú ọ dị, viscosity na-abawanye nke ukwuu ma rute ọkwa maka gel mmiri mmiri nke dị ọbụna karịa nke akụkụ hexagonal. Na akuku GMO, ngwakọta nke GMO na mmiri na-emepụta gel cubic siri ike. Mgbe agbakwunyere mmanụ, a na-eji mmiri kpụrụ mmiri hexagonal na-agbanwe agbanwe dịka akụkụ nke ime. Mmiri hexagonal· kristal bara ụba na ihe ndị na-emepụta ihe na kristal mmiri lamellar dị iche na mmeghachi omume ha na mgbakwunye mmanụ. Ebe kristal mmiri hexagonal nwere ike were naanị ntakịrị mmanụ, mpaghara lamellar na-agbatị tere aka n'akụkụ akụkụ mmanụ. Ikike nke kristal mmiri mmiri lamellar iji were mmanụ na-abawanye nke ọma na ọdịnaya GMO na-abawanye.
A na-emepụta microemulsions naanị na sistemụ nwere ọdịnaya GMO dị ala. Mpaghara nke obere viscosity o / w microemulsions gbatịrị site na akuku APG/SLES n'akụkụ axis surfactant/mmanụ ruo na conte mmanụ nke 14%. The microemulsion mejupụtara 24% surfactants, 4 % coemulsifier na 12% mmanụ, na-anọchi anya ihe mmanụ-nwere surfactant itinye uche na a viscosity nke 1600 mPa·s na 1 S-1.
Mpaghara lamellar na-esote microemulsion nke abụọ. Microemulsion a bụ gel nwere mmanụ nwere viscosity nke 20,000 mPa·s na 1 S-1(12 % surfactants, 8% coemulsifier, 20% mmanụ) na adabara dị ka a refatting ụfụfụ bath. Ngwakọta C8-14 APG / SLES na-enyere aka na ihe nhicha na ụfụfụ, ebe ngwakọta mmanu na-arụ ọrụ dị ka mgbakwunye nlekọta anụ ahụ. Iji nweta mmetụta ngwakọta nke microemulsion, a ghaghị ịhapụ mmanụ ahụ, ya bụ, microemulsion ga-adịrịrị. agbajikwa n'oge a na-eji ya eme ihe. N'oge usoro nchacha, microemulsion na ihe ndị kwesịrị ekwesị na-eji mmiri dị ukwuu, nke na-ahapụ mmanụ ma na-eme ka akpụkpọ ahụ dịkwuo mma.
N'ịchịkọta, a pụrụ ijikọta alkyl glycosides na ndị na-emepụta ihe kwesịrị ekwesị na ngwakọta mmanụ iji kwadebe microemulsions. A na-egosipụta ya site na nghọta, nkwụsi ike dị elu nke okpomọkụ, nchekwa nchekwa dị elu na nnukwu solubility.
Njirimara nke alkyl polyglycosides nwere eriri alkyl dị ogologo (C16 ruo C22) dị ka o / w emulsifiers na-apụta ọbụna karịa. Na emulsions ndị a na-ahụkarị na mmanya na-aba ụba ma ọ bụ glyceryl stearate dị ka coemulsifier na onye na-ahụ maka nhazi, ogologo agbụ alkyl polyglycosides na-egosi nkwụsi ike ka mma karịa nke C12-14 APG nke akọwara n'elu. Teknụzụ, glycosidation kpọmkwem nke C16-18 mmanya na-aba n'anya na-eduga na ngwakọta nke C16-18 alkyl polyglycoside na mmanya cetearyl nke mmanya cetearyl enweghị ike iwepụ kpamkpam site na usoro mbụ iji zere agba na isi ísì. Iji mmanya cetearyl fọdụrụnụ dị ka onye na-emekọ ihe, isi emulsifying o / w bases nwere 20-60% C6/18 alkyl polyglycoside bụ ihe kacha dabara adaba na omume maka imepụta ude ịchọ mma na lotions dabere kpamkpam na akụrụngwa akụrụngwa. Viscosity dị mfe ịhazi site na ọnụọgụ alkyl polyglycoside/cetearyl mmanya na-ahụ maka nkwụsi ike dị mma, ọbụlagodi n'ihe gbasara mmetụta polar dị ukwuu, dị ka triglycerides.
Oge nzipu: Dec-28-2020