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Itupalẹ imọ ti epo silikoni ati epo silikoni kekere hydrogen

Epo silikoni jẹ iru polysiloxane pẹlu iwọn oriṣiriṣi ti eto pq polymerization.O jẹ ti dimethyldichlorosilane nipasẹ hydrolysis pẹlu omi lati ṣe agbejade oruka polycondensation akọkọ.Ara oruka ti wa ni sisan ati atunṣe lati ṣe agbejade ara iwọn kekere.Lẹhinna ara oruka, oluranlowo lilẹ ori ati ayase ni a fi papọ fun polycondensation lati gba ọpọlọpọ awọn akojọpọ pẹlu awọn iwọn oriṣiriṣi ti polymerization.Lẹhin ti awọn kekere farabale ọrọ ti wa ni kuro nipa igbale distillation, silikoni epo le ti wa ni produced.

Epo silikoni ti o wọpọ, awọn ẹgbẹ Organic jẹ gbogbo methyl, ti a pe ni epo silikoni methyl.Miiran Organic awọn ẹgbẹ tun le ṣee lo lati ropo diẹ ninu awọn methyl awọn ẹgbẹ ni ibere lati mu diẹ ninu awọn ini ti silikoni epo ati ki o waye si orisirisi idi.Awọn ẹgbẹ miiran ti o wọpọ jẹ hydrogen, ethyl, phenyl, chlorophenyl, trifluoropropyl, bbl Ni awọn ọdun aipẹ, epo silikoni ti a ṣe atunṣe ti Organic ti ni idagbasoke ni iyara, ati pe ọpọlọpọ epo silikoni ti a yipada Organic pẹlu awọn ohun-ini pataki.

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Jiangxi Huahao Chemical Co., Ltd.

Epo silikoni ni gbogbogbo ko ni awọ (tabi ofeefee ina), ailadun, ti kii ṣe majele, omi ti ko ni iyipada.Silikoni epo jẹ insoluble ninu omi, kẹmika, glycol ati - ethoxyethanol.O jẹ miscible pẹlu benzene, dimethyl ether, methyl ethyl ketone, carbon tetrachloride tabi kerosene.O tiotuka die-die ni acetone, dioxane, ethanol ati oti.O ni titẹ oru kekere, aaye filasi giga ati aaye ina, ati aaye didi kekere.Pẹlu nọmba oriṣiriṣi ti awọn apa pq n, iwuwo molikula n pọ si ati iki tun pọ si.Orisirisi awọn viscosities wa fun titunṣe epo silikoni, ti o wa lati 0.65 centistokes si awọn miliọnu centistokes.Ti epo silikoni iki kekere ni lati pese silẹ, amọ acid le ṣee lo bi ayase ati polymerized ni 180 ℃, tabi sulfuric acid le ṣee lo bi ayase ati polymerized ni iwọn otutu kekere lati ṣe agbejade epo silikoni iki giga tabi nkan viscous.

Gẹgẹbi ilana kemikali, epo silikoni le pin si epo silikoni methyl, epo silikoni ethyl, epo silikoni phenyl, epo methyl hydrosilicone, epo methyl phenylsilicone, epo silikoni methyl chlorophenyl, epo silikoni methyl ethoxy silikoni, methyl trifluoropyl silikoni epo, methyl vinyl silikoni. epo, epo methyl hydroxysilicone, epo ethyl hydrosilicone, epo hydroxyhydrosilicone, epo silikoni cyanogen, epo hydrosilicone kekere, ati bẹbẹ lọ;lati idi naa, epo silikoni damping wa.Epo, epo silikoni fifa tan kaakiri, epo hydraulic, epo idabobo, epo gbigbe ooru, epo fifọ, ati bẹbẹ lọ.

Silikoni epo ni o ni o tayọ ooru resistance, itanna idabobo, oju ojo resistance, hydrophobicity, physiological inertia ati kekere dada ẹdọfu, ni afikun si kekere viscosity otutu olùsọdipúpọ, ga funmorawon resistance) diẹ ninu awọn orisirisi tun ni Ìtọjú resistance.

Jiangxi Huahao Chemical Co., Ltd wa ni Xinghuo Industrial Park.O ti a da ni Kọkànlá Oṣù 2011 ati ki o ni wiwa agbegbe ti o ju 30 mu.Ni ọdun 2014, apakan I Project (4500t / awọn ọja jara silikoni) ni a fi sinu iṣẹ ati gba.Awọn ọja akọkọ jẹ: epo silikoni hydroxy, epo dimethylsilicone, epo silikoni hydrogen kekere, epo silikoni ti a ṣe atunṣe polyether ati 107 roba.Ni ọdun 2017, o mu awọn ọja Organic ti o wa ni isalẹ, pọ si epo silikoni fainali, epo silikoni amino ati silanes, pẹlu methyltrimethoxysilane, methyltriethoxysilane ati methylsilicic acid, ati tun dara si awọn oriṣiriṣi ti epo silikoni hydrogenated, pẹlu hydrogen ẹgbẹ kan ni ipele ibẹrẹ, ati hydrogen opin ti o pọ si ati awọn ọja igbekalẹ hydrogenated miiran.Lọwọlọwọ, epo silikoni ti o ga ti o le rọpo epo silikoni methyl ni a ti n ṣe iwadi.Bibẹrẹ lati ṣiṣẹ ni ipele III iṣẹ akanṣe ni ọdun 2018, awọn ọja pẹlu heptamethicone, epo silikoni ti a tunṣe polyether, silazane, ether silikoni, dimethyldiethoxysilane ati awọn ọja miiran

Silikoni emulsion

Silikoni emulsion jẹ fọọmu ti epo silikoni.Atẹle yii ni a ṣe lati awọn aaye meji: ohun elo epo silikoni ati emulsion defoamer epo silikoni.

I. silikoni epo fabric softener

Silikoni emulsion wa ni o kun lo bi softener fun silikoni epo aso.Iran akọkọ ti silikoni ipari oluranlowo jẹ adalu darí ti epo dimethylsilicone ati epo hydrosilicon (ati awọn itọsẹ rẹ).Awọn meji iran ti organosilicon fabric finishing oluranlowo jẹ hydroxyl fopin si poli meji methyl siloxane emulsion.O ti wa ni ṣe nipasẹ emulsion polymerization ti mẹjọ methyl oruka mẹrin siloxane monomer, omi, emulsifier, ayase ati awọn miiran aise ohun elo labẹ awọn ipo.Nitori polymerization ati emulsification ti pari ni igbesẹ kan, o ni awọn anfani ti awọn wakati iṣẹ kukuru, ṣiṣe ṣiṣe giga, ohun elo ti o rọrun ati iṣẹ ti o rọrun.Awọn emulsion ti o gba jẹ iduroṣinṣin pupọ, ati awọn patikulu jẹ aṣọ aṣọ pupọ.Awọn polima ti nṣiṣe lọwọ (hydroxyl) ni awọn opin mejeeji ti polima le ṣe atunṣe siwaju sii lati ṣe fiimu kan, eyiti o ṣe iranlọwọ fun imudarasi ipa ohun elo ti emulsion, eyiti ko to fun epo silikoni emulsified ẹrọ.

Hydroxyl silikoni epo emulsion le ti wa ni pin si orisirisi awọn orisi ti emulsion, gẹgẹ bi awọn cation, anion, nonionic ati yellow ions, ni ibamu si awọn ti o yatọ surfactants lo.

1. cationic hydroxyl silikoni epo emulsion

Awọn emulsifier ti a lo ninu cationic emulsion polymerization jẹ igbagbogbo iyọ amine quaternary (octadecyltrimethyl ammonium kiloraidi ti a royin ninu Iwe-iwe Ajeji), ati ayase jẹ ammonium hydroxide.Wara Cationic hydroxyl le ṣee lo ni ọpọlọpọ awọn aṣọ lẹhin ipari.O ni awọn ohun-ini ti imudara imudara aṣọ, imudarasi elasticity aṣọ ati didan.O ni anfani alailẹgbẹ miiran: aṣoju ti ko ni omi ti o dara julọ fun awọn aṣọ, o ni ibamu pẹlu emulsion epo silikoni methyl hydrogen, aabo omi ati agbara omi.O le ṣee lo bi oluranlowo omi aabo fun kanfasi ideri polyester ati oluranlowo mabomire fun asọ kaadi poliesita.Ati bẹbẹ lọ.

2. anionic hydroxyl silikoni epo emulsion

Awọn anionic hydroxyl wara jẹ ijuwe nipasẹ ibamu rẹ ni aṣoju ipari aṣọ, ati emulsion jẹ iduroṣinṣin pupọ.Ni pataki, pupọ julọ awọn oluranlọwọ ni titẹ sita aṣọ ati awọ jẹ anionic.Ti o ba ti lo cationic hydroxy emulsion, o rọrun lati fa demulsification ati epo bleaching, lakoko ti anionic hydroxy emulsion le yago fun ailagbara yii, nitorinaa o jẹ olokiki diẹ sii pẹlu awọn olumulo ati lilo pupọ.

3. yellow ionic hydroxyl silikoni epo emulsion

Botilẹjẹpe cationic hydroxyapatite jẹ asọ asọ ti o tayọ, emulsion yii ko ni sooro si omi lile ati pe ko le ṣee lo pẹlu dimethylolyl meji resini urea hydroxyurea.

Bó tilẹ jẹ pé cationic hydroxyapatite jẹ ẹya o tayọ fabric softener, yi emulsion ni ko sooro si lile omi, ati ki o ko le ṣee lo ni kanna wẹ pẹlu dimethoxylated meji hydroxyvinyl urea resini (2D) resini, ayase magnẹsia kiloraidi ati anionic funfun oluranlowo.Ni afikun, nitori iduroṣinṣin ti ko dara ti emulsion, awọn polima silikoni ni irọrun yapa kuro ninu emulsion ati leefofo loju omi oju omi, ti a mọ ni “epo bleaching”.Ti a ba lo awọn emulsifiers cationic ati ti kii-ionic ni emulsion polymerization, awọn ailagbara ti emulsifier cationic fun ngbaradi emulsion epo silikoni hydroxyl le bori.Awọn emulsion silikoni ti a pese sile le withstand omi lile, ati ki o le ṣee lo ni kanna wẹ pẹlu 2D resini, magnẹsia kiloraidi ati funfun oluranlowo VBL, ati ki o ni o dara ooru resistance ati didi resistance.

4. ti kii ionic hydroxyl silikoni epo emulsion

Nonionic hydroxy wara ni isọdọtun ati iduroṣinṣin to dara ju wara hydroxy ti o ya sọtọ, nitorinaa ọpọlọpọ awọn orilẹ-ede ti ṣe awọn akitiyan nla lati ṣe iwadi wara hydroxy nonionic.Fun apẹẹrẹ, UltrateX FSA, ọja titun ti a ṣe ni Switzerland, jẹ emulsion ti kii-ionic pẹlu iwuwo molikula ti o ju 200 ẹgbẹrun ati ori hydroxyl ti methylsiloxane meji.O jẹ igbesẹ siwaju ju Dc-1111 anionic hydroxyapatite emulsion ni Amẹrika.

5. Organosilicon finishing oluranlowo pẹlu awọn ẹgbẹ miiran ti nṣiṣe lọwọ

Lati le pade awọn iwulo ti ipari ti ilọsiwaju ti gbogbo iru awọn aṣọ, mu ilọsiwaju epo, egboogi-aimi ati awọn ohun-ini hydrophilic ti awọn aṣọ ipari silikoni, ati ṣe awọn aṣọ okun kemikali ni ọpọlọpọ awọn anfani ti awọn aṣọ adayeba, awọn oṣiṣẹ silikoni ti kọ ẹkọ ifihan ti Awọn ẹgbẹ miiran ti nṣiṣe lọwọ gẹgẹbi ẹgbẹ amino, ẹgbẹ amide, ẹgbẹ ester, ẹgbẹ cyano, ẹgbẹ carboxyl, ẹgbẹ epoxy, bbl Ifarahan ti awọn ẹgbẹ wọnyi jẹ ki organosilicon fabric finishing agent ni awọn ipa pataki, fun apẹẹrẹ, ifihan ti ẹgbẹ amino sinu organosilicon molecule. jẹ o dara fun preshrunk ati rirọ finishing ti kìki irun;ifihan ti ẹgbẹ amide jẹ o dara fun ipari antifouling, ati rirọ ti ni ilọsiwaju pupọ: ifihan ti ẹgbẹ cyano ni resistance epo ti o dara, ati ipa ipakokoro ti copolymer ti ether polyoxyethylene ati organosilicon dara;awọn organofluorine títúnṣe organosilicon ni o ni epo repellency.Anti idoti, egboogi-aimi, omi repellent ati ọpọlọpọ awọn miiran anfani.

Meji.Silikoni epo emulsion defoamer.

Silikoni epo emulsion defoamer ni gbogbo epo ni omi (O / W) emulsion, ti o ni, omi ni a lemọlemọfún alakoso, silikoni epo ni a discontinuous alakoso.O ti wa ni iṣaju iṣaju pẹlu epo silikoni, emulsifier ati oluranlowo ti o nipọn, ati lẹhinna fi omi kun diẹ sii lati dapọ, lilọ leralera ni ọlọ colloid titi ti o fi gba emulsion ti o fẹ.

Silikoni epo emulsion defoamer ni a defoaming oluranlowo o gbajumo ni lilo ninu silikoni defoamer.O le wa ni o gbajumo ni lilo bi defoamer ni olomi eto.Nigbati o ba lo, emulsion le fi kun taara si eto ifofo, ati pe a le gba ipa defoaming to dara.Lati le ni ilọsiwaju ipa defoaming ti emulsion ati deede ti wiwọn, ko lo taara diẹ sii ju 10% ti emulsion epo silikoni ti o ni idojukọ: akọkọ, o ti fomi si 10% tabi kere si pẹlu omi tutu tabi taara pẹlu ojutu foomu.Taboo yẹ ki o jẹ ti fomi po pẹlu omi ti o gbona tabi ti ko tutu, bibẹẹkọ o yoo fa demulsification emulsion.Iduroṣinṣin ti emulsion yoo di buru si lẹhin dilution, ati layering (epo bleaching) lasan le waye ni ilana ipamọ, eyini ni, demulsification.Nitorinaa, emulsion ti fomi yẹ ki o lo ni kete bi o ti ṣee.Ti o ba jẹ dandan, awọn ohun elo ti o nipọn le ṣe afikun lati mu iduroṣinṣin ti emulsion dara sii.Fun iṣiṣẹ ipele, emulsion epo silikoni le ṣafikun boya ṣaaju ṣiṣe eto tabi ni awọn ipele.Fun iṣiṣẹ lemọlemọfún, emulsion epo silikoni yẹ ki o ṣafikun nigbagbogbo tabi lainidii ni awọn ẹya ti o yẹ ti eto naa.

Ni lilo awọn defoamers emulsion, iwọn otutu ati acid ati awọn ipo ipilẹ ti eto foaming yẹ ki o gba sinu ero.Nitori emulsion epo silikoni jẹ elege diẹ sii, emulsion rẹ yoo jẹ demulsified tẹlẹ, ati pe yoo di ailagbara tabi ailagbara.Awọn iye ti silikoni epo emulsion ni gbogbo 10 to 10Oppm ti awọn àdánù ti awọn foomu omi (gẹgẹ bi awọn silikoni epo mita).Nitoribẹẹ, tun wa kere ju 10 ppm ati diẹ sii ju 100 ppm ni awọn ọran pataki.Iwọn iwọn lilo ti o yẹ jẹ pataki nipasẹ awọn idanwo.

Ni gbogbogbo, silikoni epo emulsion defoamer jẹ okeene epo ninu omi.Gẹgẹbi awọn oriṣi ti epo silikoni, silikoni epo emulsion defoamer ni awọn iru wọnyi:

1. emulsion epo silikoni ti o da lori epo silikoni methyl meji

Iru defoamer yii jẹ ti epo dimethylsilicon, emulsifier ati omi.O le ṣee lo ni lilo pupọ ni bakteria, ounjẹ, ṣiṣe iwe, okun, ile elegbogi, resini sintetiki ati bẹbẹ lọ.

2. emulsion epo silikoni ti o da lori epo silikoni methyl ethoxy

Iru defoamer yii jẹ ti epo silikoni methyl ethoxy ati oluranlowo idapọ rẹ.

3. emulsion epo silikoni ti o da lori epo silikoni ethyl

Ni awọn ọdun aipẹ, organosilicon defoamer n dagbasoke si ọna dina copolymerization (tabi alọmọ copolymerization) ti organosilicon polyether.Iru defoamer yii ni awọn abuda ti awọn mejeeji organosilicon ati polyether, nitorinaa agbara irẹwẹsi ti ni ilọsiwaju pupọ;organosilicon polyether copolymer defoamer, tun mo bi ara emulsifying organosilicon defoamer, jẹ kan hydrophilic ethylene oxide pq tabi ethylene oxide propylene oxide pq Àkọsílẹ (tabi alọmọ) ninu awọn organosilicon molikula pq, ki awọn hydrophobic siloxane apa ti wa ni idapo pelu hydrophilic polye.Gẹgẹbi defoamer, iru molikula kan ni iye-iye ti ntan kaakiri, o le tuka ni deede ni alabọde foomu, o si ni ṣiṣe defoamer giga.O jẹ iru tuntun ti defoamer ti o ga julọ.Awọn emulsifying ipa ti ara emulsifying silikoni epo lai emulsifier jẹ ohun itelorun fun diẹ ninu awọn ọna šiše.O dara julọ fun awọn ti ko yẹ fun emulsion epo silikoni gbogbogbo ati emulsion epo silikoni gbogbogbo.


Akoko ifiweranṣẹ: Oṣu Kẹsan-24-2022