Ngwaahịa
Twain 85
Njirimara kemịkalụ
Ngwaahịa a bụ mmiri mmiri viscous mmanụ amber nwere njupụta nke 1.00 ~ 1.05, viscosity nke 0.20 ~ 0.40Pa·s (25 ℃), ebe ọkụ ọkụ nke 321℃, yana uru HLB nke 11.0.Ọ na-agbaze na mmanụ rapeseed, lysofibroin, methanol, ethanol na ndị ọzọ dị ala carbon alcohols, aromatic mgbaze, ethyl acetate, ọtụtụ ịnweta mmanụ, petroleum ether, acetone, dioxane, carbon tetrachloride, ethylene glycol, propylene glycol, wdg, gbasasịa na mmiri. .
Jiri
A na-eji ngwaahịa a n'ọtụtụ ebe na nrigbu mmanụ na njem, ọgwụ, ihe ịchọ mma, pigmenti agba, textiles, nri, pesticides, mmepụta ihe na-emepụta ihe na metal elu corrosion inhibitor na ihicha ụlọ ọrụ mmepụta ihe, dị ka emulsifier, softener, finishing agent, viscosity reducer, wdg. dị ka emulsifier, stabilizer, wetting agent, diffuser, penetrant na na
[Nkwakọ ngwaahịa] 25kg / akpa akwụkwọ
Nka nka
N'ikwekọ na GB25554-2010 ọkọlọtọ item index uru acid (KOH)/(mg/g) ≤2.0 saponification uru (KOH)/(mg/g) 45-55 hydroxyl uru (KOH)/(mg/g) 6chemicalbook5-80 mmiri, w /% ≤3.0 ihe fọdụrụ na-ere ọkụ, w /% ≤0.25 Arsenic (As) / (mg / kg) ≤3 ndu (Pb) / (mg / kg) ≤ 2-oxyethylene (C2H4O), w /% 65.0 ~ 69.5
Usoro mmepụta
1mol Span-80 bụ preheated ma tinye n'ime kettle mmeghachi omume, na-agbakwunye catalyzed sodium hydroxide aqueous solution n'okpuru mkpali, mkpali, vacuuming na akpịrị ịkpọ nkụ.Mgbe ejiri nitrogen dochie ikuku dị na kettle, 22mol ethylene oxide malitere ịgbapụta mgbe okpomọkụ ahụ ruru 140 ℃, na reverse Chemicalbook okpomọkụ na-edobe na 180 ~ 190 ℃.Mgbe ethylene oxide gafere, a kwụsịrị oghere ahụ.Mgbe ọ dị jụụ, a na-ebuba mmiri mmiri ahụ n'ime kettle neutralization ma wepụ ya na acetic acid ruo mgbe uru acid dị ihe dị ka 2, wee gbanwee ya na hydrogen peroxide kwesịrị ekwesị.N'ikpeazụ, ihe ahụ na-agwụ ike ruo mgbe mmiri dị na 3%, na ngwaahịa a gwụchara nwere ike nweta site na nkwakọ ngwaahịa dị jụụ.
