Cov haujlwm thiab kev siv ntawm diethanolamine

Kev kho mob teb:

Cov tshuaj siv rau sab nraud yog siv los kho cov mob ntawm daim tawv nqaij xws li eczema thiab psoriasis, txo cov tsos mob los ntawm kev txwv tsis pub muaj kev o thiab kev loj hlob ntawm cov hlwb tawv nqaij.
Kev Lag Luam Tshuaj Pleev Xim:

Nws muaj cov tshuaj antioxidant, moisturizing thiab anti-UV thiab feem ntau siv rau hauv cov khoom tu tawv nqaij thiab tshuaj pleev thaiv hnub.
Kev Lag Luam Tshuaj:

Kev tsim cov organic sib xyaw xws li surfactants thiab polymers.
Siv ua cov roj acid absorbent, nonionic surfactant thiab emulsifier.
Ua lub luag haujlwm hauv cov tshuaj ntxuav tes, cov tshuaj txhuam hniav, cov roj nplua nyeem, cov tshuaj ua kom mos, thiab lwm yam.

Lwm yam kev siv:

Siv ua tus neeg sawv cev tseem ceeb hauv kev kho dej boiler.
Nws kuj yog siv rau hauv kev ntxuav hlau, pigments, tshuaj tua kab, txuj lom, dyes thiab lwm yam teb.
Siv ua plasticizer, antioxidant, hlau kho qhov chaw, thiab lwm yam.
Diethanolamine siv dav hauv ntau qhov chaw, tab sis koj yuav tsum tau them sai sai rau kev nyab xeeb thaum siv nws, tsis txhob ua rau khaus rau daim tawv nqaij thiab qhov muag, thiab khaws cia deb ntawm hluav taws thiab cua sov.

Cov Khoom Siv Tshuaj Diethanolamine
Melting point 28 ° C (lit.)
Kub taw tes 217 °C/150 mmHg (lit.)
Qhov ceev 1.097 g/mL ntawm 25 °C (lit.)
qhov ceev ntawm cov pa dej 3.6 (piv rau huab cua)
siab ntawm cov pa dej <0.98 atm (100 °C)
Qhov ntsuas refractive n20 / D 1.477 (lit.)
Kub txog li 280 °F
Qhov kub cia khoom: 2-8°C
solubility H2O: 1 M ntawm 20 ° C, meej, tsis muaj xim
tsim cov kua nplaum los yog cov khoom khov qis
xim APHA: ≤15
Lub zog nqus tshwj xeeb 1.09
Tsw ntxhiab: Ammonia me ntsis; tsis meej, ntses; yam ntxwv.
PH 11.0-12.0 (25 ℃, 1M hauv H2O)
pka 8.88 (ntawm 25 ℃)
txwv tsis pub tawg 2.1-10.6% (V)
Kev yaj dej sib xyaw ua ke
Rhiab Hygroscopic
λmax λ: 260 nm Amax: 0.04
λ: 280 nm Amax: 0.02
Merck 14,3107
BRN 605315
Cov kev txwv ntawm kev raug TLV-TWA 3 ppm (～13 mg/m3) (ACGIH).
Dielectric tas li 2.8 (25 ℃)
Kev Ruaj Ntseg: Ruaj khov. Tsis sib haum nrog cov pa roj carbon dioxide, cov kua qaub muaj zog, cov neeg sawv cev oxidizing muaj zog. Deliquescent.

Cov ntaub ntawv tiv tauj:

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