Diethanolamine (DEA) tau ua haujlwm ntawm cov khoom siv saib xyuas tus kheej rau ntau xyoo lawm. Hauv qab cov npeCocamide DEA, Lauramide DEA, thiabCocamide DIPAntawm cov tshuaj zawv plaub hau thiab lub cev ntxuav cov ntawv yog ib chav kawm ntawm ntau cov khoom siv surfactants uas xa cov npuas dej, viscosity, thiab cov tawv nqaij zoo nkaus li nyob rau hauv ib qho khoom xyaw - thiab yuav luag tag nrho lawv taug qab lawv keeb kwm rau diethanolamine reacting nrog fatty acid.
Nyob rau hauv kaum xyoo dhau los, cov kev cai hloov pauv hauv EU thiab California tau txo qis cov xwm txheej raws li DEA dawb thiab nws cov khoom siv tuaj yeem siv rau hauv cov neeg siv khoom, ua rau muaj kev hloov pauv tseem ceeb. Txawm li cas los xij DEA- cov khoom xyaw muab tau los tseem ua lag luam nyob hauv ntau lub khw, thiab DEA nws tus kheej tseem siv los ua pH kho thiab kev pab cuam hauv ntau cov txheej txheem kev tsim kho tus kheej uas tsis tau tshwm sim ntawm cov khoom tiav - daim ntawv lo.
Phau ntawv qhia no yog sau rau cov kws tsim tshuaj pleev ib ce, cov neeg tsim khoom lag luam, thiab pab pawg muag khoom uas xav tau qhov tseeb, nce - mus rau - hnub tim daim duab ntawm qhov chaw DEA haum rau kev saib xyuas tus kheej - nws ua tau zoo, qhov twg nws txoj cai txwv siv, thiab yuav ua li cas txiav txim siab hloov pauv zoo thaum xav tau. Rau DEA physicochemical specifications, saib pebDiethanolamine khoom page.
🧪 Dab tsi Diethanolamine Ua hauv Kev Kho Tus Kheej
DEA tshwm sim hauv cov khoom tu tus kheej hauv ob hom sib txawv, txhua tus muaj cov haujlwm sib txawv thiab cov kev cai sib txawv.
🛁 Cocamide DEA: Qhov tseem ceeb tshaj plaws DEA Derivative
Cocamide DEA (CAS 61791-31-9) yog tsim los ntawm condensing txiv maj phaub fatty acids nrog diethanolamine ntawm kwv yees li 1: 2 molar ratio (fatty acid : DEA), yielding fatty acid diethanolamide. Vim tias DEA yog cov amine thib ob nrog ob pawg hydroxyethyl, cov tshuaj tiv thaiv tsim cov qauv diamide - qhov no yog chemistry uas muab cov cocamide DEA nws qhov txawv viscosity-tsev thiab ua npuas dej-txhim kho kev ua tau zoo.
| INCI npe | Cocamide DEA |
| CAS Nr | 61791-31-9 |
| Chav Kawm Surfactant | Tsis yog -ionic, fatty acid diethanolamide |
| Qhov tshwm sim | Amber rau tsaus amber viscous kua |
| HLB Value | ~ 10-12 (Hydrophile sab) |
| Hom Kev Siv Qib | 1-5% nyob rau hauv tiav formulation |
| Lub cev daim ntawv ntawm 20 degree | Kua (tsis solidify ntawm ambient, tsis zoo li cocamide MEA) |
🫧 Vim li cas Cocamide DEA dhau los ua Tus Qauv Kev Lag Luam
Cocamide DEA tau tuav lub lag luam alkanolamide los ntawm xyoo 1960 txog rau xyoo 2000s rau cov laj thawj ntawm kev ua tau zoo: nws muaj txiaj ntsig zoo ntawm nws ob lub luag haujlwm tseem ceeb, yooj yim rau kev ua kua, thiab pheej yig txheeb ze rau qhov kev ua tau zoo nws muab.
Ntawm 2–5% nyob rau hauv SLES-raws li zawv plaub hau puag, cocamide DEA ua kom cov npuas ntim, txhim kho npuas ntom ntom ("creaminess"), thiab txuas ntxiv ua npuas ncauj ruaj khov - cov cwj pwm tseem ceeb uas cov neeg siv khoom koom nrog kev ntxuav kom zoo. Nws ntxig rau hauv anionic surfactant micelles, ua rau lawv cov khoom ntim tau zoo thiab ruaj khov ua npuas ncauj lamellae.
Cocamide DEA yog qhov ua kom muaj viscosity zoo dua li cocamide MEA ntawm qhov sib npaug. Nyob rau hauv NaCl -thickened SLES systems, cocamide DEA broadens thiab txhim khu cov ntsev -thickening nkhaus, tso cai rau cov formulators ua kom tiav lub hom phiaj viscosity ntawm qis NaCl concentration. Qhov no ua rau muaj kev hloov pauv ntau dua hauv kev tsim pH thiab preservative compatibility.
Cov roj fatty acid chains hauv cocamide DEA tso ib zaj duab xis nyias nyias rau ntawm daim tawv nqaij thiab cov plaub hau thaum lub sij hawm yaug -tawm, ua rau kev tshaj tawm - ntxuav softness thiab txo cov tawv nqaij nruj. Qhov kev ua kom txias me ntsis no yog ib feem tseem ceeb ntawm kev hnov lus ntawm ntau qhov nruab nrab - cov tshuaj zawv plaub hau thiab cov khoom siv ntxuav lub cev.
Tsis zoo li cocamide MEA, uas yog ib qho khoom ntawm qhov kub thiab txias uas yuav tsum tau ua ntej - melting ua ntej ntxiv, cocamide DEA yog cov kua nyob rau hauv tag nrho cov ntau yam ntawm ib txwm raug kub. Nws tuaj yeem raug ntxiv ncaj qha rau cov khoom siv surfactant yam tsis muaj cua sov, ua kom yooj yim ntau lawm thiab txo lub sijhawm voj voog.
🧴 Lwm yam DEA Derivatives siv hauv Kev Kho Tus Kheej
Tshaj li cocamide DEA, ob peb lwm DEA- cov khoom xyaw muab tau tshwm sim thoob plaws cov khoom tu tus kheej:
| INCI npe | Tau qhov twg los Fatty Acid | Lub luag haujlwm tseem ceeb | Qeb yam |
|---|---|---|---|
| Cocamide DEA | Txiv maj phaub fatty acids (C8-C18) | Ua npuas ncauj boost, viscosity, txias | Tshuaj zawv plaub hau, ntxuav lub cev, tshuaj ntxuav tais diav |
| Lauramide DEA | Lauric acid (C12) | Ua npuas ncauj boost (ceev-nce), viscosity | Shampoo, tes xab npum, npuas da dej |
| Oleamide DEA | Oleic acid (C18: 1) | Emollient, conditioner, maj mam ua npuas ncauj | Da dej gel, roj da dej, shaving cream |
| Linoleamide DEA | Linoleic acid (C18: 2) | Emollient, moisturizing surfactant | Cov tawv nqaij ntxuav, ntxuav lub cev |
| Myristamide DEA | Myristic acid (C14) | Viscosity tsev, ruaj khov ua npuas ncauj | Tshuaj zawv plaub hau, tshuaj ntxuav tes |
🌍 Regulatory Status: Dab tsi yog thiab Tsis Tso Cai
Kev tswj hwm thaj chaw rau DEA hauv kev saib xyuas tus kheej tau nruj heev hauv kaum tsib xyoos dhau los. Cov qauv tsim ua haujlwm thoob plaws ntau lub khw yuav tsum nkag siab txog cov kev txwv tshwj xeeb ntawm txhua qib - dawb DEA vs derivatives, tawm - rau vs yaug - tawm, cov pej xeem thiab cov menyuam yaus.
🇪🇺 EU Kev Tswj Xyuas Tshuaj Txhuam Hniav (EC 1223/2009)
Txwv tsis pub. Dawb DEA yuav tsum tsis txhob muaj nyob rau hauv ib qho kev txhob txwm ntxiv cov khoom xyaw hauv kev tawm mus - ntawm cov tshuaj pleev ib ce nyob rau hauv ib qho concentration.
Ntau tshaj 5%. Yuav tsum tsis txhob ua ke nrog nitrosating systems. Cov khoom kawg yuav tsum tsis muaj N-nitrosamines siab dua 50 µg/kg.
Ntau tshaj 10%. Tib yam nitrosating tus neeg saib xyuas kev cais tawm. Txwv tsis pub nyob rau hauv cov khoom npaj rau cov menyuam yaus hnub nyoog qis dua 3 xyoos.
Txwv tsis pub. Qhov kev txwv no siv rau cocamide DEA siv nyob rau hauv txhua qhov kev tawm mus - ntawm cov khoom lag luam, suav nrog cov tshuaj pleev lub cev, tshuaj pleev thaiv hnub rau lub ntsej muag, thiab cov plaub hau txias.
🇺🇸 USA
FDA tau tshaj tawm cov lus qhia rau cov neeg siv khoom ntawm DEA- muaj cov tshuaj zawv plaub hau thiab cov khoom siv plaub hau tab sis tsis tau tshaj tawm qhov kev txwv siab tshaj plaws ntawm tsoomfwv qib siab. Cocamide DEA tau teev nyob rau hauv California Proposition 65 raws li kev paub carcinogen hauv 2012 - thawj qhov loj DEA derivative tau txais qhov kev xaiv no. Cov khoom muag hauv California uas muaj cocamide DEA saum toj no tau tsim los Tsis Muaj Qhov Tseem Ceeb Tshaj Lij (NSRL) yuav xav tau Prop 65 ceeb toom. Cov khw muag khoom hauv California yuav tsum tau txais kev qhia kev cai lij choj ntawm lawv cov qauv tsim tshwj xeeb.
🌏 Asia -Pacific Markets
Tuam Tshoj (NMPA), ASEAN, Nyiv, thiab Kaus Lim Qab Teb feem ntau tso cai rau cocamide DEA nyob rau hauv yaug- tawm cov khoom ntawm cov concentrations raws li EU txwv, nrog tib N-nitrosamine tswj (tsawg dua lossis sib npaug li 50 µg/kg hauv cov khoom tiav). Tsis muaj ib qho ntawm cov kev lag luam no txwv tsis pub tawm - ntawm kev txwv nruj raws li EU's, tab sis kev tsim rau EU cov qauv muab ib qho kev qhia thoob ntiaj teb uas ua tau raws li qhov yuav tsum tau nruj tshaj plaws thoob plaws txhua lub lag luam ib txhij.
🔬 Formulation Guide for DEA-Cov khoom
Rau cov neeg tsim qauv uas txuas ntxiv siv cocamide DEA hauv cov dej yaug-tawm cov qauv tsim nyob rau hauv qhov txwv tsis pub muaj kev tso cai, cov kev coj ua hauv qab no yuav tsum tau ua raws li kev tswj hwm thiab kev nyab xeeb ntawm cov khoom.
Ua ntej ua tiav cov cocamide DEA- muaj cov qauv tsim, tshuaj xyuas txhua yam khoom siv rau kev ua haujlwm nitrosating. Cov tshuaj tiv thaiv tseem ceeb yog bronopol (2-bromo-2-nitropropane-1,3-diol), DMDM hydantoin, imidazolidinyl urea, thiab diazolidinyl urea. Hloov ib qho ntawm cov no nrog cov khoom tsis-nitrosating preservative - phenoxyethanol / ethylhexylglycerin, sodium benzoate / potassium sorbate, los yog caprylyl glycol-based systems. Qhov no tsis yog xaiv tau; nws yog ib qho kev cai lij choj raws li EU Kev Cai Tshuaj Txhuam Hniav thiab kev coj ua zoo tshaj plaws thoob ntiaj teb.
EU Kev Tswj Xyuas Tshuaj pleev ib ce xav kom cov khoom tiav muaj tsawg dua lossis sib npaug li 50 µg / kg ntawm N-nitrosamines. Qhov no yuav tsum tau lees paub los ntawm kev tshuaj ntsuam xyuas (GC-TEA txoj kev los yog sib npaug) ntawm cov khoom lag luam thiab ib ntus thaum lub sij hawm cov khoom lag luam. N- cov ntsiab lus nitrosamine tuaj yeem nce ntxiv thaum lub sijhawm khaws cia, tshwj xeeb ntawm qhov kub siab - suav nrog kev ntsuas ntawm kev ruaj ntseg nrawm (40℃/ 75% RH, 12 lub lis piam) ua ib feem ntawm koj txoj haujlwm ruaj ntseg.
N- tus nqi tsim nitrosamine nce ntawm qis pH. Kev tuav cov qauv pH siab tshaj 5.5 txo qhov kev pheej hmoo ntawm -situ nitrosation yog tias muaj cov kab mob nitrosating. Rau cov tshuaj zawv plaub hau thiab ntxuav lub cev, lub hom phiaj pH ntawm 5.5-6.5 yog qhov zoo tshaj plaws rau ob qho tib si ntawm daim tawv nqaij thiab kev pheej hmoo ntawm nitrosamine. Tsis txhob tsim cov tshuaj uas muaj pH qis dua 4.5 qhov twg DEA derivatives nyob.
Kev lag luam cocamide DEA cov khoom sib txawv hauv cov ntsiab lus DEA dawb - cov amine tsis muaj kev cuam tshuam tam sim no tom qab cov tshuaj tiv thaiv amidation. Dawb DEA yog dab tsi daim ntawv NDELA; lub amide nws tus kheej yog deb tsawg reactive. Thov rau CoA uas qhia cov ntsiab lus DEA pub dawb thiab teeb tsa qhov tshwj xeeb sab hauv ntawm Tsawg dua lossis sib npaug rau 1.0% DEA dawb rau cov qib saib xyuas tus kheej. Cov neeg muab khoom tsim tawm kom siab dua - zoo 1: 1 molar piv cov txheej txheem amidation feem ntau ua tau dawb DEA qis dua 0.5%.
Rau ib qho EU cov tshuaj pleev ib ce uas muaj DEA dawb (yuav-tawm, Tsawg dua lossis sib npaug li 5%) lossis cocamide DEA (rinse-tawm, Tsawg dua lossis sib npaug li 10%), daim ntawv tshaj tawm kev soj ntsuam kev nyab xeeb ntawm cov khoom (CPSR) yuav tsum qhia meej meej txog qhov pheej hmoo nitrosamine - lees paub tias tsis muaj nitrosating cov neeg ua haujlwm hauv qab no 5{0} paub meej tias tsis muaj nitrosating tus neeg sawv cev µg/kg, thiab paub meej tias cov khoom tsis yog rau cov menyuam yaus hnub nyoog qis dua 3 xyoos (rau cocamide DEA). Xyuas kom Tus Neeg Ua Haujlwm Saib Xyuas tau tshuaj xyuas thiab kos npe tawm ntawm cov ntsiab lus tshwj xeeb no. Cov neeg tswj hwm tau tshuaj xyuas ntau ntxiv rau DEA{10}} muaj cov khoom CPSRs.
🔄 Hloov DEA Derivatives: Phau Ntawv Qhia Txog Tswv Yim
Rau cov neeg tsim qauv tsiv tawm ntawm cocamide DEA - los ntawm kev tswj hwm cov cai, hom kev tso npe, lossis cov neeg siv khoom xav tau - qhov chaw hloov pauv tau tsim tau zoo. Cocamide MEA yog thawj qhov kev poob qis- hauv lwm txoj hauv kev, tab sis kev hloov pauv tsis yog ib qho kev sib pauv huv 1: 1.
Cocamide DEA → Cocamide MEA
| Parameter | Cocamide DEA | Cocamide MEA | Yuav tsum tau kho |
|---|---|---|---|
| Lub cev daim ntawv | Ua kua ntawm ambient | Khoom / waxy (mp 70-85 degree) | Ua ntej-melt MEA ua ntej ntxiv; kho cov txheej txheem tsim khoom |
| Ua npuas ncauj ntim | Zoo heev | Zoo | Nce qib MEA mus rau 110-130% ntawm thawj qib DEA |
| Ua npuas ncauj | Creamy, ntom | Voluminous, me ntsis creamy | Tej zaum yuav xav tau co- hloov kho surfactant (piv txwv li, ntxiv CAPB) |
| viscosity pab | Muaj zog | Nruab nrab | Kho NaCl concentration (feem ntau yog +0.3-0.5%) kom rov qab viscosity |
| Regulatory Status (EU) | Max 10% yaug-tsuas yog; txwv tsis pub tawm - rau; kev txwv cov khoom me me | Tsis tawm - ntawm kev txwv; tsis muaj kev txwv cov khoom me me | ✅ Kev tswj kom zoo dua rau MEA |
| Tus nqi (tus txheeb ze) | Tsawg ib kg | Me ntsis siab dua ib kg | Feem ntau offset los ntawm simplified ua raws cov ntaub ntawv |
Pib taw tes: 3% cocamide DEA hauv tus qauv SLES / CAPB puag ntawm pH 6.0. Kev hloov pauv txoj hauv kev: (1) Hloov cocamide DEA nrog 3.5% cocamide MEA (ntxiv ua ntej- melted rau 70℃surfactant blend); (2) Kho NaCl los ntawm theem pib nce mus txog 0.2% nce mus txog rau lub hom phiaj viscosity (3,000–6,000 mPa·s ntawm 25 degree) tiav; (3) Re- xyuas pH thiab kho nrog citric acid yog tias xav tau; (4) Paub meej ua npuas ncauj profile los ntawm lub tog raj kheej co kuaj thiab cov neeg siv khoom vaj huam sib luag. Hauv ntau lub hauv paus SLES, qhov kev hloov pauv no tau ua tiav nrog qhov tsawg kawg nkaus. Yog xav paub ntxiv txog cocamide MEA formulation, saib peb tsab xov xwm:Cocamide MEA: Nws Yog Dab Tsi, Yuav Ua Li Cas Los Ntawm Monoethanolamine & Daim Ntawv Thov.
Lwm Cov Kev Xaiv Hloov
Rau cov neeg tsim khoom uas xav tau lwm txoj hauv kev tshaj li cocamide MEA - piv txwv li, hauv ntuj lossis organic- cov khoom lag luam nyob qhov twg tag nrho cov alkanolamide - cov khoom xyaw tau raug txwv - cov kev xaiv hauv qab no muaj kev ua lag luam sib txawv -offs:
- 🌿 Gluconamides (xws li lauryl glucoside, coco glucoside)- ntuj- muab tau, biodegradable ua npuas ncauj boosters nrog zoo tolerability; qis dua viscosity- tsim kev ua tau zoo dua li DEA amides; kim dua
- 🧴 Betaines (cocamidopropyl betaine, CAPB)- amphoteric surfactants uas boost ua npuas ncauj thiab txhim kho me ntsis; tsis tsim viscosity los ntawm NaCl synergy tab sis txhim kho ntsev nkhaus hauv kev sib xyaw ua ke; twb nyob rau hauv feem ntau cov tshuaj zawv plaub hau raws li co-surfactant
- 🌾 Amine oxides (lauramine oxide)- zoo heev ua npuas ncauj boosters thiab viscosity builders; tau tshaj anionic surfactants; tsis yog los ntawm DEA tab sis tshawb xyuas cov kev txwv kev zoo nkauj huv si, raws li amine oxides muaj lawv tus kheej cov ntawv txhawj xeeb hauv qee lub khw
- 🔬 PEG-7 glyceryl cocoate los yog PEG-5 cocoamide- lwm txoj kev txias thiab ua npuas ncauj - hloov cov neeg ua hauj lwm; tus nqi siab dua; tsis haum rau sulfate- qhov chaw pub dawb vim PEG chains
❓ Cov lus nug nquag
📝 Cov ntsiab lus
Diethanolamine lub luag haujlwm hauv kev saib xyuas tus kheej feem ntau yog cov khoom siv raw rau tsev neeg ntawm fatty acid amide surfactants - tseem ceeb tshaj plaws cocamide DEA - uas tau muab ua npuas ncauj, viscosity, thiab txias kom yaug - tawm cov khoom rau ntau tshaj ib nrab xyoo pua. Kev tswj hwm kev txwv hauv EU thiab California tau txo qis cov kev siv thiab ua kom lub nra hnyav ntxiv rau DEA- muab cov khoom xyaw, yam tsis tau tshem tawm ntawm lub khw.
Rau cov tsim qauv, kev txiav txim siab ntawm kev txuas ntxiv nrog cocamide DEA (nyob rau hauv cov xwm txheej tso cai) lossis hloov nrog cocamide MEA (txoj kev tswj huv huv) feem ntau yog kev txiav txim siab ua lag luam txog kev ua raws li kev yooj yim thiab hom lag luam es tsis yog kev txiav txim siab ua haujlwm. Cocamide MEA tuaj yeem rov ua dua cocamide DEA cov haujlwm tseem ceeb hauv feem ntau SLES-raws li cov tshuab nrog kev hloov kho me ntsis. Rau cov khoom me me thiab tawm hauv - ntawm daim ntawv thov, cocamide MEA lossis tsis yog -alkanolamide lwm txoj kev xaiv tsuas yog ua raws li EU kev ua lag luam.
Sinolook Chemical khoom siv diethanolamine (DEA 99%) thiab monoethanolamine (MEA 99%, DEA Tsawg dua lossis sib npaug li 0.5%) rau kev saib xyuas tus kheej amide ntau lawm. Ob qib muaj nyob nrog tag nrho CoA, SDS, thiab REACH cov ntaub ntawv. Rau kev hloov kho kev txhawb nqa los ntawm cocamide DEA rau cocamide MEA, peb pab neeg ua haujlwm tuaj yeem pab nrog cov khoom siv raw thiab cov ntaub ntawv zoo.
