Polyol phosphate

Phosphate polyol imhando yemakemikari zvinhu zvine molecular formula yepo4hr1r2.

ruzivo rwakakosha

Zita rechiChinese: polyol phosphate

Polyglycerol phosphate

Molecular formula: po4hr1r2

Kutaridzika: isina ruvara kana yero inoonekera mvura

Chimiro: polyether phosphate

N1, N2 uye N3 inogona kuva 0 kana 1, zvichiteerana.

Iyo physicochemical properties yechikamu ichi ndeiyi inotevera:

Polyol phosphates inogona kupatsanurwa kuva marudzi maviri: rudzi A is polyoxyethylene ether phosphate, iyo ine brown paste; type B initrogen-containing polyol phosphate, musanganiswa wepolyhydroxy compounds, inova mvura yeblack viscous. Kunyungudika kweyakajairika organic phosphoric acid mumvura inoderera nekuwedzera kweR alkyl kabhoni atomu nhamba. Ose maviri monoesters uye diesters of phosphate esters ane acidic uye anogona kuora maion ehydrogen mumushonga wemvura; mune alkaline svikiro, kuora uku kunowedzera. Kunyangwe ichinonoka kupfuura polyphosphate, zviri nyore kuita hydrolyze pane yakakwirira tembiricha uye alkaline mamiriro. Iyo hydrolysis rate ndeye 10 nguva dzeiyo mune isina kwayakarerekera medium. Kamwe hydrolysis yaitika, ngura uye chiyero inhibition inorasika. Iyo phosphate inoumbwa inokwanisa kusanganiswa necalcium ions mumvura kuita calcium phosphate scale ine kushoma kunyungudika.

Folding composition editing iyi ndima

Kazhinji, glycerol inonatswa nephosphate uye yozoiswa esterified nephosphonic acid. Iyo oxidation reaction ye glycerol ndeyotevera: kusanganisa glycerol nehupfu caustic soda, kupisa kusvika 150 ℃ pasi pekuchengetedzwa kweinert gasi, uyezve kuwedzera ethylene oxide kune ethylene oxide maererano ne molar ratio ye ethylene oxide kune glycerol ye2: 1, uye kuchengetedza tembiricha ye150-160 ℃. Apo ethylene oxide inowedzerwa uye yakachengetwa kwenguva yakati (yakadai se 1.2 h), iyo oxygen ethylation ye glycerol inogona kuonekwa seyakapedzwa. Muchiitiko ichi, kuwedzerwa kwecaustic soda account kune inenge 0.1% yehuwandu hweglycerol uye ethylene oxide. Iyo phosphonate esterification ye polyoxyethylene ether uye glycerin yakaitwa mureactor pachiyero che4.5: 1, preheated kusvika 50 ℃, uye ipapo phosphorus pentoxide yakawedzerwa zvishoma nezvishoma mu reactor maererano nehuwandu hwehuwandu hwe phosphorus pentoxide / polyoxyethylene ether glycerol. 1:1.1 ~ 1.2, uye tembiricha yakanga isingapfuuri 125 ~ 135 ℃. Mushure mekunge phosphorus pentoxide yawedzerwa, zvinhu zviri mureactor zvinova pachena mushure mekubata kwenguva yakati rebei, zvinoreva kuti esterification process yapera. Wedzera mvura kuti utonhorere phosphate kune inodiwa yekumisikidza yekumira. Iyo synthetic nzira ndeyekutevera:

Kana r-0h + H3PO4 ichipisa kuita r-h2po4 + H20

(R-0) 2po2h + H2O yakagadzirwa nekudziya 2R OH + H3PO4

Ro-pcl4 + 3H2O inomira kuita r-h2po4 + 4hcl

Ethylene glycol, ethylene glycol monoethyl ether, polyoxyethylene ether, glycerol uye triethanolamine zvakapiswa kusvika 75-85 ℃ pasi pekukurudzira nekusanganiswa, uye ipapo phosphorus pentoxide yakawedzerwa zvishoma nezvishoma. Mushure mekunge phosphorus pentoxide yawedzerwa, kupisa kwekuita kwakadzorwa pa130-140 ℃ kwe1-2 h. mvura yakawedzerwa kuti itonhodze chigadzirwa phosphoric acid musanganiswa kuti isvike iyo inotarisirwa bvunzo reserve. Reshiyo yezviitwa reactants yaive triethanolamine, uye yakanakisa kuita musanganiswa yaive 60:40 ~ 40:60 (reshiyo yehuwandu). The optimum mass ratio ye ethylene glycol, ethylene glycol monoether uye polyoxyethylene ether glycerol i1:4:4. Ethylene glycol monoethyl ether inogona kuwedzerwa kaviri, imwe inowedzerwa pamwe chete ne ethylene glycol uye polyoxyethylene ether glycerin isati yaita, uye imwe inowedzerwa panguva yekubata ye140 ℃.

Kona gadzirisa maitiro endima ino

Tarisa kune zvinodiwa zvehunyanzvi zvinotsanangurwa muindasitiri chiyero hg2228-91

project

index

Solid content% ≥makumi mashanu

Yese phosphorus yemukati (yakaverengerwa nePO4)% ≥makumi matatu

Yakaverengerwa nePO4 zvemukati ≥gumi neshanu

PH (1% aqueous solution)2.0-3.0

Kuona nzira yekupeta kugadzirisa chikamu ichi

Muedzo wakaitwa zvinoenderana nenzira yakatsanangurwa muhg2228-91 standard.

Kirasi chigadzirwa chine Organic phosphonates (inosanganisira organic mono uye bisphosphonates) uye phosphorus pentoxide (kuumba inorganic phosphoric acid nemvura), iyo inogona kuverengerwa nguva nenguva ne neutralization nzira.