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Iimpawu zemveliso

Ubume

I-Sorbitan fatty acid ester (Span) yindawo engeyiyo-ionic ngokubhekisele kumaqela e-fatty acids njengenxalenye ye-hydrophobic kunye namaqela e-sorbitan njengenxalenye ye-hydrophilic. I-Polyoxyethylene (20) i-sorbitan fatty acid ester (Tween) yindawo engeyiyo-ionic ngokubhekisele kumaqela e-fatty njengenxalenye ye-hydrophobic kunye namaqela e-sorbitan polyethylene glycol ether njengenxalenye ye-hydrophilic.

Ⅱ. Imigangatho yoMgangatho

(IPolysorbate-80 iyakuthobela iMigangatho CP2015, kwaye olunye uthotho luya kuthobela iMigangatho USP32).

Izicelo

Kwishishini lokuxuba amayeza, iimveliso zothotho lweSpan zisetyenziswa ngokubanzi ekusetyenzisweni kwamachiza agqityiweyo kwiifom ezahlukeneyo zedosi, ezisetyenziselwa isinyibilikisi kunye ne-emulsifier yenaliti kunye nolwelo lomlomo, iiarhente zokuphela kwamacwecwe, ukusasazeka kweephilisi, i-emulsifier kunye ne-matrix yeoyile, imatriki Ukongeza, iimveliso zeSpan, uthotho lweeTween zezona zixhaphakileyo emulsifier kushishino lokutya.

Ukupakisha, ukuGcina nokuThutha

Iimveliso ezinobunzima be-25kg kraft bag okanye i-200kg yokupakisha igubu yentsimbi, kwaye kufuneka zigcinwe kwindawo enomoya opholileyo kwaye iqondo lokugcina kufuneka ligcinwe ngaphantsi kwe-40 ℃, okwangoku, ukungabinanto, ubushushu obuphezulu kunye nokufuma akuvumelekanga ngokungqongqo. Ukuthintela ukophuka, ungqubano olunobundlobongela kufuneka luthintelwe, kwaye ixesha lesiqinisekiso sokugcina liyiminyaka emibini.
Inkqubo yoqobo ye-Span-80 yayiyi-esterification. Amanzi aveliswe kwimpendulo aqhubekile ekhutshelwa ngaphandle ukulungiselela ukulingana kwendlela eya kwicala. Le viscosity yemveliso ingaphantsi kwama-40 mg, ekunzima ukuyilawula ngenxa yomahluko wobushushu obuphezulu.

Uluhlu lweSpan
Umba ISerbitan fatty acid ester20 I-Sorbitan fatty acid ester40 ISerbitan fatty acid ester60 Isybitan fatty acid ester80
Ixabiso le-HLB 8.6 6.7 4.7 4.3
Indawo yokunyibilika ℃ 25 ℃ 45-47 52-54 25 ℃ 液态
Inombolo yeasidi (mgkOH / g) ≤8 ≤8 .10 ≤8
Ixabiso leHydroxyl (mgkOH / g) 330-358 Ngama-270-305 235-260 Ngo-193-210
Ixabiso lesaponification (mgkOH / g) 158-170 140-150 147-157 145-160
Ixabiso le-iodine (mg12 / g) —- —– —- 62-76
Isinyithi esinzima (ppm) ≤ 10 10 10 10
Amanzi% 1.5 1.5 1.5 1.5

Intsalela kucinezelo%

-0.5 -0.5 -0.5 -0.5

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