{"id":9398,"date":"2024-08-23T13:38:16","date_gmt":"2024-08-23T13:38:16","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=9398"},"modified":"2024-08-23T13:38:16","modified_gmt":"2024-08-23T13:38:16","slug":"emulsifier","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/emulsifier\/","title":{"rendered":"Hvad er HLB-v\u00e6rdierne for almindeligt anvendte emulgatorer, og hvordan v\u00e6lger man dem bedst?"},"content":{"rendered":"<p>Under visse betingelser kan to ikke-blandbare v\u00e6sker, den ene med partikler (dr\u00e5ber eller flydende krystaller) spredt i den anden, danne et system, der kaldes emulsion. Emulsioner anvendes i vid udstr\u00e6kning i industri- og landbrugsproduktion, i dagligdagen og i fysiologiske f\u00e6nomener. Emulsion er et termodynamisk ustabilt system, og for at udf\u00f8re emulgering og f\u00e5 en vis stabilitet i emulsionen skal der tils\u00e6ttes et tredje stof, der kan reducere gr\u00e6nsefladeenergien, dette stof kaldes emulgator.<\/p>\n<p>Emulgatoren er n\u00f8glen til emulsionens stabilitet, for det meste forskellige typer af overfladeaktive stoffer. Det er dog ikke alle overfladeaktive stoffer, der er egnede som emulgatorer, s\u00e5 hvordan man v\u00e6lger emulgatorer til fremstilling af emulsioner bliver et centralt sp\u00f8rgsm\u00e5l.<\/p>\n<p>I henhold til de forskellige egenskaber ved olie dispergeret i vand eller vand dispergeret i olie inddeles emulgatorer groft sagt i vand-i-olie (W\/O)-type og olie-i-vand (O\/W)-type, og emulgeringens stabilitet bestemmes hovedsageligt af balancen mellem hydrofile og lipofile grupper i emulgatorernes molekyler. Denne balance udtrykkes normalt som HLB-v\u00e6rdi. Denne v\u00e6rdi er normalt 1~20, jo t\u00e6ttere p\u00e5 1 jo mere lipofil, jo t\u00e6ttere p\u00e5 20 jo mere hydrofil.<\/p>\n<p>F\u00f8devareemulgatorers rolle er hovedsageligt opdelt i tre aspekter: \u2460 reducere gr\u00e6nsefladesp\u00e6ndingen mellem olie og vand, fremme emulgering i gr\u00e6nsefladen mellem olie, vand og emulgator for at danne en fasebalance, stabilisering af emulgatorer; \u2461 interaktion med stivelse og protein og andre komponenter for at forbedre f\u00f8devarens struktur og reologiske egenskaber; \u2462 forbedre krystalliseringen af den fede olie.<\/p>\n<p><strong>Oversigt over HLB-v\u00e6rdi for almindeligt anvendte emulgatorer<\/strong><\/p>\n<p>Handelsnavn<\/p>\n<p>Kinesisk navn<\/p>\n<p>Type<\/p>\n<p>HLB<\/p>\n<p>&#8212;<\/p>\n<p>Oliesyre<\/p>\n<p>Anion<\/p>\n<p>1<\/p>\n<p>Span 85<\/p>\n<p>Sorbitantrioleat, vandfri<\/p>\n<p>Ikke-ionisk<\/p>\n<p>1.8<\/p>\n<p>Arlacel 85<\/p>\n<p>Sorbitan trioleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>1.8<\/p>\n<p>Atlas G-1706<\/p>\n<p>Polyoxyethylen-sorbitol-bivoksderivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>2<\/p>\n<p>Span 65<\/p>\n<p>Sorbitantristearat, vandfri<\/p>\n<p>Ikke-ionisk<\/p>\n<p>2.1<\/p>\n<p>Arlacel 65<\/p>\n<p>Sorbitan-tristearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>2.1<\/p>\n<p>Atlas G-1050<\/p>\n<p>Polyoxyethylensorbitanhexastearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>2.6<\/p>\n<p>Emcol EO-50<\/p>\n<p>Ethylenglykol-fedtsyreester<\/p>\n<p>Ikke-ionisk<\/p>\n<p>2.7<\/p>\n<p>Emcol ES-50<\/p>\n<p>Ethylenglykol-fedtsyreester<\/p>\n<p>Ikke-ionisk<\/p>\n<p>2.7<\/p>\n<p>Atlas G-1704<\/p>\n<p>Polyoxyethylen-sorbitol-bivoksderivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3<\/p>\n<p>Emcol PO-50<\/p>\n<p>Propylenglykol-fedtsyreester<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.4<\/p>\n<p>Atlas G-922<\/p>\n<p>Propylenglykolmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.4<\/p>\n<p>\"Ren\"<\/p>\n<p>Propylenglykolmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.4<\/p>\n<p>Atlas G-2158<\/p>\n<p>Propylenglykolmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.4<\/p>\n<p>Emcol PS-50<\/p>\n<p>Propylenglykol-fedtsyreester<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.4<\/p>\n<p>Emcol EL-50<\/p>\n<p>Ethylenglykol-fedtsyreester<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.6<\/p>\n<p>Emcol PP-50<\/p>\n<p>Propylenglykol-fedtsyreester<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.7<\/p>\n<p>Arlacel C<\/p>\n<p>Sorbitan sesquioleate, vandfri<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.7<\/p>\n<p>Arlacel 83<\/p>\n<p>Sorbitan sesquioleate, vandfri<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.7<\/p>\n<p>AtlasG-2859<\/p>\n<p>Polyoxyethylensorbitan 4,5 oleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.7<\/p>\n<p>Atmul 67<\/p>\n<p>Glycerolmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.8<\/p>\n<p>Atmul 84<\/p>\n<p>Glycerolmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.8<\/p>\n<p>Tegin 515<\/p>\n<p>Glycerolmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.8<\/p>\n<p>Aldo 33<\/p>\n<p>Glycerolmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.8<\/p>\n<p>\"Ren\"<\/p>\n<p>Glycerolmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>3.8<\/p>\n<p>Ohlan<\/p>\n<p>Hydroxyleret lanolin<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4<\/p>\n<p>AriasG-1727<\/p>\n<p>Polyoxyethylen-sorbitol-bivoksderivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4<\/p>\n<p>Emcol PM-50<\/p>\n<p>Propylenglykol-fedtsyreester<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4.1<\/p>\n<p>Span 80<\/p>\n<p>Sorbitanmonooleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4.3<\/p>\n<p>Arlacel 80<\/p>\n<p>Sorbitanmonooleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4.3<\/p>\n<p>Atlas G-917<\/p>\n<p>Propylenglykolmonolaurat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4.5<\/p>\n<p>AtlasG-385l<\/p>\n<p>Propylenglykolmonolaurat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4.5<\/p>\n<p>EmcolPL-50<\/p>\n<p>Propylenglykol-fedtsyreester<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4.5<\/p>\n<p>Span 60<\/p>\n<p>Sorbitanmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4.7<\/p>\n<p>Arlacel 60<\/p>\n<p>Sorbitanmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4.7<\/p>\n<p>AtlasG-2139<\/p>\n<p>Diethylenglykolmonooleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4.7<\/p>\n<p>Emcol DO-50<\/p>\n<p>Diethylenglykol-fedtsyreester<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4.7<\/p>\n<p>AtlasG-2146<\/p>\n<p>Diethylenglykolmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4.7<\/p>\n<p>Emcol DS-50<\/p>\n<p>Diethylenglykol-fedtsyreester<\/p>\n<p>Ikke-ionisk<\/p>\n<p>4.7<\/p>\n<p>Ameroxol OE-2<\/p>\n<p>Polyoxyethylen (2EO) oleylether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>5<\/p>\n<p>AtlasG-1702<\/p>\n<p>Polyoxyethylen-sorbitol-bivoksderivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>5<\/p>\n<p>Emcol DP-50<\/p>\n<p>Diethylenglykol-fedtsyreester<\/p>\n<p>Ikke-ionisk<\/p>\n<p>5.1<\/p>\n<p>Aldo 28<\/p>\n<p>Glycerolmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>5.5<\/p>\n<p>Tegin<\/p>\n<p>Glycerolmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>5.5<\/p>\n<p>Emcol DM-50<\/p>\n<p>Diethylenglykol-fedtsyreester<\/p>\n<p>Ikke-ionisk<\/p>\n<p>5.6<\/p>\n<p>Glukat-SS<\/p>\n<p>Methylglukosid sesquistearat kasein<\/p>\n<p>Ikke-ionisk<\/p>\n<p>6<\/p>\n<p>AtlasG-1725<\/p>\n<p>Polyoxyethylen-sorbitol-bivoksderivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>6<\/p>\n<p>AtlasG-2124<\/p>\n<p>Diethylenglykolmonolaurat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>6.1<\/p>\n<p>Emcol DL-50<\/p>\n<p>Diethylenglykol-fedtsyreester<\/p>\n<p>Ikke-ionisk<\/p>\n<p>6.1<\/p>\n<p>Glaurin<\/p>\n<p>Diethylenglykolmonolaurat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>6.5<\/p>\n<p>Span 40<\/p>\n<p>Sorbitan monopalmitat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>6.7<\/p>\n<p>Arlacel 40<\/p>\n<p>Sorbitan monopalmitat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>6.7<\/p>\n<p>AtlasG-2242<\/p>\n<p>Polyoxyethylendioleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>7.5<\/p>\n<p>AtlasG-2147<\/p>\n<p>Tetraethylenglykolmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>7.7<\/p>\n<p>AtlasG-2140<\/p>\n<p>Tetraethylenglykolmonooleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>7.7<\/p>\n<p>AtlasG-2800<\/p>\n<p>Polyoxypropylen mannitol dioleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>8<\/p>\n<p>Atlas G-1493<\/p>\n<p>Polyoxyethylen sorbitan lanolin oliesyre-derivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>8<\/p>\n<p>Atlas G-1425<\/p>\n<p>Polyoxyethylen sorbitol lanolin-derivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>8<\/p>\n<p>Atlas G-3608<\/p>\n<p>Polyoxypropylen-stearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>8<\/p>\n<p>Solulan 5<\/p>\n<p>Polyoxyethylen (5EO) lanolin ether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>8<\/p>\n<p>Span 20<\/p>\n<p>Sorbitan Laurate<\/p>\n<p>Ikke-ionisk<\/p>\n<p>8.6<\/p>\n<p>Arlacel 20<\/p>\n<p>Sorbitan Laurate<\/p>\n<p>Ikke-ionisk<\/p>\n<p>8.6<\/p>\n<p>Emulphor VN-430<\/p>\n<p>Polyoxyethylen-fedtsyre<\/p>\n<p>Ikke-ionisk<\/p>\n<p>8.6<\/p>\n<p>Atbs G-2111<\/p>\n<p>Polyoxyethylen-oxypropylen-oleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>9<\/p>\n<p>Atlas G-1734<\/p>\n<p>Polyoxyethylen-sorbitol-bivoksderivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>9<\/p>\n<p>Atlas G-2125<\/p>\n<p>Tetraethylenglykolmonolaurat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>9.4<\/p>\n<p>Brij 30<\/p>\n<p>Polyoxyethylen Lauryl Ether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>9.5<\/p>\n<p>Tween 61<\/p>\n<p>Vandfrit polyoxyethylen (4EO) sorbitanmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>9.6<\/p>\n<p>Atlas G-2154<\/p>\n<p>Hexaethylenglykolmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>9.6<\/p>\n<p>Splulan PB-5<\/p>\n<p>Polyoxypropylen (5PO) lanolinether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>10<\/p>\n<p>Tween 81<\/p>\n<p>Polyoxyethylen(5EO)-sorbitanmonooleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>10<\/p>\n<p>Atlas G-1218<\/p>\n<p>Polyoxyethylenestere af blandede fedtsyrer og harpikssyrer<\/p>\n<p>Ikke-ionisk<\/p>\n<p>10.2<\/p>\n<p>Atlas G-3806<\/p>\n<p>Polyoxyethylene cetyl ether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>10.3<\/p>\n<p>Tween 65<\/p>\n<p>Vandfrit polyoxyethylen (20EO) sorbitantristearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>10.5<\/p>\n<p>Atlas G-3705<\/p>\n<p>Polyoxyethylen Lauryl Ether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>10.8<\/p>\n<p>Tween 85<\/p>\n<p>Vandfrit polyoxyethylen (20EO) sorbitantrioleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>11<\/p>\n<p>Atlas G-2116<\/p>\n<p>Polyoxyethylen-oxypropylen-oleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>11<\/p>\n<p>Atlas G-1790<\/p>\n<p>Polyoxyethylen lanolin-derivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>11<\/p>\n<p>Atlas G-2142<\/p>\n<p>Polyoxyethylenmonooleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>11.1<\/p>\n<p>Myrj 45<\/p>\n<p>Polyoxyethylenmonostearat<\/p>\n<p>ikke-ionisk<\/p>\n<p>11.1<\/p>\n<p>Atlas G-2141<\/p>\n<p>Polyoxyethylenmonooleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>11.4<\/p>\n<p>P.E.G.400 monooleat<\/p>\n<p>Polyoxyethylenmonooleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>11.4<\/p>\n<p>Atlas G-2076<\/p>\n<p>Polyoxyethylenmonopalmitat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>11.6<\/p>\n<p>S-541<\/p>\n<p>Polyoxyethylenmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>11.6<\/p>\n<p>P.E.G.400 monostearat<\/p>\n<p>Polyoxyethylenmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>11.6<\/p>\n<p>Atlas G-3300<\/p>\n<p>Alkarylsulfonat<\/p>\n<p>Anionisk<\/p>\n<p>11.7<\/p>\n<p>&#8211;<\/p>\n<p>Triethanolamin oleat<\/p>\n<p>anionisk<\/p>\n<p>12<\/p>\n<p>Ameroxl OE-10<\/p>\n<p>Polyoxyethylen (10EO) oleylether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>12<\/p>\n<p>Atlas G-2127<\/p>\n<p>Polyoxyethylenmonolaurat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>12.8<\/p>\n<p>Igepal CA-630<\/p>\n<p>Polyoxyethylenalkylfenol<\/p>\n<p>Ikke-ionisk<\/p>\n<p>12.8<\/p>\n<p>Solulan 98<\/p>\n<p>Polyoxyethylen (10EO) acetyleret lanolin-derivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>13<\/p>\n<p>Atlas G-1431<\/p>\n<p>Polyoxyethylen sorbitol lanolin-derivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>13<\/p>\n<p>Atlas G-1690<\/p>\n<p>Polyoxyethylen alkyl aryl ether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>13<\/p>\n<p>S-307<\/p>\n<p>Polyoxyethylenmonolaurat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>13.1<\/p>\n<p>P.E.G 400 monolurat<\/p>\n<p>Polyoxyethylenmonolaurat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>13.1<\/p>\n<p>Atlas G-2133<\/p>\n<p>Polyoxyethylen Lauryl Ether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>13.1<\/p>\n<p>Atlas G-1794<\/p>\n<p>Polyoxyethylen ricinusolie<\/p>\n<p>Ikke-ionisk<\/p>\n<p>13.3<\/p>\n<p>Emulphor EL-719<\/p>\n<p>Polyoxyethylen Vegetabilsk olie<\/p>\n<p>Ikke-ionisk<\/p>\n<p>13.3<\/p>\n<p>Tween 21<\/p>\n<p>Vandfrit polyoxyethylen (4EO) sorbitanmonolaurat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>13.3<\/p>\n<p>Renex 20<\/p>\n<p>Polyoxyethylenester med fedtsyrer og harpikssyrer<\/p>\n<p>Ikke-ionisk<\/p>\n<p>13.5<\/p>\n<p>Atlas G-1441<\/p>\n<p>Polyoxyethylen sorbitol lanolin-derivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>14<\/p>\n<p>Solulan C-24<\/p>\n<p>Polyoxyethylen (24EO)-kolesterylether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>14 Solulan PB-20<\/p>\n<p>Solulan PB-20<\/p>\n<p>Polyoxypropylen(20PO) lanolinether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>14<\/p>\n<p>NP10<\/p>\n<p>TX10<\/p>\n<p>Ikke-ionisk<\/p>\n<p>14.5<\/p>\n<p>Atlas G-7596j<\/p>\n<p>Vandfrit polyoxyethylensorbitanmonolaurat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>14.9<\/p>\n<p>Tween 60<\/p>\n<p>Vandfrit polyoxyethylen (20EO) sorbitanmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>14.9<\/p>\n<p>Ameroxol OE-20<\/p>\n<p>Polyoxyethylen (20EO) oleylether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15<\/p>\n<p>Glukamat SSE-20<\/p>\n<p>Polyoxyethylen(20EO)methylglucosid sesquioleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15 Glucamat<\/p>\n<p>Solulan 16<\/p>\n<p>Polyoxyethylen(16EO)-lanolinether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15<\/p>\n<p>Solulan 25<\/p>\n<p>Polyoxyethylen(25EO)-lanolinether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15<\/p>\n<p>Solulan 97<\/p>\n<p>Polyoxyethylen (9EO) acetyleret lanolin-derivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15<\/p>\n<p>Tween 80<\/p>\n<p>Vandfrit polyoxyethylen (20EO) sorbitanmonooleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15<\/p>\n<p>Myrj 49<\/p>\n<p>Polyoxyethylenmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15<\/p>\n<p>Altlas G-2144<\/p>\n<p>Polyoxyethylenmonooleat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15.1<\/p>\n<p>Atlas G-3915<\/p>\n<p>Polyoxyethylenoleylether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15.3<\/p>\n<p>Atlas G-3720<\/p>\n<p>Polyoxyethylen-octadecanol<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15.3<\/p>\n<p>Atlas G-3920<\/p>\n<p>Polyoxyethylenoleylalkohol<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15.4<\/p>\n<p>Emulphor ON-870<\/p>\n<p>Polyoxyethylen-fedtalkohol<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15.4<\/p>\n<p>Atlas G-2079<\/p>\n<p>Polyethylenglykolmonopalmitat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15.5<\/p>\n<p>Tween 40<\/p>\n<p>Polyethylenoxid (20EO) Sorbitanmonopalmitat vandfri<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15.6<\/p>\n<p>Atlas G-3820<\/p>\n<p>Polyoxyethylen Cetyl Alkohol<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15.7<\/p>\n<p>Atlas G-2162<\/p>\n<p>Polyoxyethylen-oxypropylen-stearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>15.7<\/p>\n<p>Atlas G-1741<\/p>\n<p>Polyoxyethylen sorbitol lanolin-derivat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>16<\/p>\n<p>Myrj 51<\/p>\n<p>Polyoxyethylenmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>16<\/p>\n<p>Atlas G-7596P<\/p>\n<p>Vandfri sorbitanmonolaurat af polyoxyethylen<\/p>\n<p>Ikke-ionisk<\/p>\n<p>16.3<\/p>\n<p>Atlas G-2129<\/p>\n<p>Polyoxyethylenmonolaurat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>16.3<\/p>\n<p>Atlas G-3930<\/p>\n<p>Polyoxyethylenoleylether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>16.6<\/p>\n<p>Tween 20<\/p>\n<p>Vandfrit polyoxyethylen (20EO) sorbitanmonolaurat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>16.7<\/p>\n<p>Brij 35<\/p>\n<p>Polyoxyethylen Lauryl Ether<\/p>\n<p>Ikke-ionisk<\/p>\n<p>16.9<\/p>\n<p>Myrj 52<\/p>\n<p>Polyoxyethylenmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>16.9<\/p>\n<p>Myrj 53<\/p>\n<p>Polyoxyethylenmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>17.9<\/p>\n<p>-Natriumoleat<\/p>\n<p>Natriumoleat<\/p>\n<p>Anionisk<\/p>\n<p>18<\/p>\n<p>Atlas G-2159<\/p>\n<p>Polyoxyethylenmonostearat<\/p>\n<p>Ikke-ionisk<\/p>\n<p>18.8<\/p>\n<p>-Kaliumoleat<\/p>\n<p>Kaliumoleat<\/p>\n<p>Anionisk<\/p>\n<p>20<\/p>\n<p>Atlas G-263<\/p>\n<p>Natrium N-hexadecyl-N-ethylmorpholinoethylsulfat<\/p>\n<p>Kationisk<\/p>\n<p>25-30<\/p>\n<p>Texapon K-12<\/p>\n<p>Rent natriumlaurylsulfat<\/p>\n<p>Anionisk<\/p>\n<p>40<\/p>\n<p><strong>HLB-v\u00e6rdi og valg af den optimale emulgator[1].<\/strong><\/p>\n<p>Hver emulgator har en specifik HLB-v\u00e6rdi, og det er ofte vanskeligt for en enkelt emulgator at opfylde kravene til emulgering i et flerkomponentsystem. Normalt blandes en r\u00e6kke emulgatorer med forskellige HLB-v\u00e6rdier sammen for at danne en hybridemulgator, som ikke kun kan opfylde kravene til komplekse systemer, men ogs\u00e5 i h\u00f8j grad forbedre emulgeringseffekten. For at emulgere et olie-vand-system kan f\u00f8lgende trin tages for at v\u00e6lge den bedste emulgator.<\/p>\n<p><strong>I. Bestemmelse af optimal HLB-v\u00e6rdi for olie-vand-system<\/strong><\/p>\n<p>V\u00e6lg et par emulgatorer med store forskelle i HLB-v\u00e6rdier, for eksempel Span-60 (HLB = 4,3) og Tween-80 (HLB = 15), formuleret til en r\u00e6kke blandede emulgatorer med forskellige HLB-v\u00e6rdier i forskellige proportioner, og brug derefter denne serie af blandede emulgatorer til at lave en r\u00e6kke emulsioner fra et specificeret olie-vand-system. Emulgeringseffektiviteten for hver emulsion (kan repr\u00e6senteres af emulsionens stabilitetstid, kan ogs\u00e5 repr\u00e6senteres af andre stabile egenskaber) og den beregnede HLB for den blandede emulgator, graf, en klokkeformet kurve og kurven med den h\u00f8jeste top af den tilsvarende HLB-v\u00e6rdi, der emulgerer det specificerede system med den kr\u00e6vede HLB-v\u00e6rdi.<\/p>\n<p>Det er klart, at den mest passende HLB-v\u00e6rdi kan opn\u00e5s ved at bruge en blandet emulgator, men denne emulgator er muligvis ikke den bedste effektivitet. En emulgators effektivitet betyder, at den koncentration af emulgator, der kr\u00e6ves for at stabilisere den specificerede emulsion, er den laveste og billigste. Den emulgator, der er dyr, men kr\u00e6ver meget lavere koncentration, kan ogs\u00e5 v\u00e6re mere effektiv end den emulgator, der er billigere og mere koncentreret.<\/p>\n<p><strong>II. Bestemmelse af emulgator<\/strong><\/p>\n<p>Under foruds\u00e6tning af, at den kr\u00e6vede HLB-v\u00e6rdi for det valgte emulgeringssystem opretholdes, udv\u00e6lges og blandes flere par emulgatorer, s\u00e5 HLB-v\u00e6rdien for hver blandet emulgator er den v\u00e6rdi, der er bestemt ved ovenst\u00e5ende metode. Det specificerede system emulgeres med disse emulgatorer, stabiliteten m\u00e5les, og emulgeringseffektiviteten sammenlignes, indtil det mest effektive emulgatorpar er fundet.<\/p>\n<p>Det er v\u00e6rd at bem\u00e6rke, at emulgatorernes koncentration ikke er n\u00e6vnt her, men det p\u00e5virker ikke denne udv\u00e6lgelsesmetode, da HLB-v\u00e6rdien, der kr\u00e6ves for at fremstille en stabil emulsion, ikke har meget at g\u00f8re med emulgatorernes koncentration. Det er i omr\u00e5det med ustabil emulsion, n\u00e5r emulgatorkoncentrationen er meget lav, eller koncentrationen af den indre fase er for h\u00f8j, at denne metode p\u00e5virkes [2].<\/p>\n<p>N\u00e5r man v\u00e6lger en emulgator ved hj\u00e6lp af HLB-metoden, skal man ikke kun tage hensyn til den optimale HLB-v\u00e6rdi, men ogs\u00e5 til emulgatorens affinitet til den dispergerede fase og dispergeringsmediet. En ideel emulgator b\u00f8r ikke kun have en st\u00e6rk affinitet med oliefasen, men ogs\u00e5 have en st\u00e6rk affinitet med vandfasen.<\/p>\n<p>Ved at blande en emulgator med en lille HLB-v\u00e6rdi med en emulgator med en stor HLB-v\u00e6rdi, dannes der en blandet film med en st\u00e6rk affinitet til b\u00e5de oliefasen og vandfasen, som kan tage sig af begge krav p\u00e5 samme tid. Derfor er brugen af blandede emulgatorer mere effektiv end brugen af en enkelt emulgator.<\/p>\n<p>For at opsummere er metoden til at bestemme emulgatorformlen, der kr\u00e6ves til emulgering af et specificeret system, at v\u00e6lge et par emulgatorer vilk\u00e5rligt, \u00e6ndre blandingsforholdet inden for et bestemt omr\u00e5de og derefter \u00e6ndre typerne og forholdene for de sammensatte emulgatorer for at f\u00e5 den h\u00f8jeste HLB-v\u00e6rdi, men stadig n\u00f8dt til at opretholde den kr\u00e6vede HLB-v\u00e6rdi, indtil den h\u00f8jeste effektivitet af den sammensatte emulgator er fundet.<\/p>\n<p>Ved fremstilling af stabiliserede emulsioner er valget af den bedst egnede emulgator til at opn\u00e5 den bedste emulgeringseffekt det centrale sp\u00f8rgsm\u00e5l. Der findes ingen perfekt teori for valg af emulgatorer.<\/p>\n<p>Overfladeaktive stoffers HLB-v\u00e6rdi har stor v\u00e6rdi ved valg af emulgatorer og bestemmelse af doseringen af sammensatte emulgatorer, og dens fordel afspejles hovedsageligt i dens additivitet, som kan beregnes enkelt; problemet er, at der ikke tages h\u00f8jde for andre faktorer i HLB-v\u00e6rdien, is\u00e6r temperaturens indflydelse, som er s\u00e6rlig fremtr\u00e6dende i de nonioniske emulgatorer med stor dosering i de senere \u00e5r.<\/p>\n<p>Derudover kan HLB-v\u00e6rdien kun nogenlunde forudsige den type emulsion, der skal dannes, og kan ikke give koncentrationen af emulgator p\u00e5 tidspunktet for optimal emulgering, og den kan heller ikke forudsige stabiliteten af den resulterende emulsion. Derfor er det en mere effektiv metode at anvende HLB-v\u00e6rdien til at v\u00e6lge emulgatorer, men den har ogs\u00e5 visse begr\u00e6nsninger og skal anvendes i kombination med andre metoder i praktiske anvendelser.<\/p>","protected":false},"excerpt":{"rendered":"<p>Under certain conditions, two immiscible liquids, one with particles (droplets or liquid crystals) dispersed in the other in the formation of the system called emulsion. Emulsions are widely used in industrial and agricultural production, daily life and physiological phenomena. Emulsion is thermodynamically unstable system, in order to carry out emulsification and get a certain stability [&hellip;]<\/p>","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are the HLB values of commonly used emulsifiers and the best way to select them? - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/da\/emulsifier\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the HLB values of commonly used emulsifiers and the best way to select them? - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Under certain conditions, two immiscible liquids, one with particles (droplets or liquid crystals) dispersed in the other in the formation of the system called emulsion. 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