Kusanthula chidziwitso chamafuta a silicone ndi mafuta otsika a hydrogen silicone

Mafuta a silicone nthawi zambiri amakhala opanda mtundu (kapena achikasu owala), osakoma, opanda poizoni, osasunthika.Mafuta a silicone sasungunuka m'madzi, methanol, glycol ndi - ethoxyethanol.Imasakanikirana ndi benzene, dimethyl ether, methyl ethyl ketone, carbon tetrachloride kapena palafini.Imasungunuka pang'ono mu acetone, dioxane, ethanol ndi mowa.Ili ndi mpweya wocheperako, malo okwera kwambiri komanso poyatsira, komanso malo oziziritsa otsika.Ndi chiwerengero chosiyana cha zigawo za unyolo n, kulemera kwa maselo kumawonjezeka ndipo kukhuthala kumawonjezeka.Pali ma viscosity osiyanasiyana okonzera mafuta a silikoni, kuyambira 0,65 centistoke mpaka mamiliyoni a centistoke.Ngati otsika mamasukidwe akayendedwe mafuta silikoni ndi kukonzekera, dongo asidi angagwiritsidwe ntchito monga chothandizira ndi polymerized pa 180 ℃, kapena asidi sulfuric angagwiritsidwe ntchito ngati chothandizira ndi polymerized pa kutentha otsika kubala mkulu mamasukidwe akayendedwe silikoni mafuta kapena viscous zinthu.

Malinga ndi kapangidwe ka mankhwala, silikoni mafuta akhoza kugawidwa mu methyl silikoni mafuta, ethyl silikoni mafuta, phenyl silikoni mafuta, methyl hydrosilicone mafuta, methyl phenylsilicone mafuta, methyl chlorophenyl silikoni mafuta, methyl ethoxy silikoni mafuta, methyl trifluoropyl silikoni mafuta, methyl vinyl vinyl silikoni. mafuta, methyl hydroxysilicone mafuta, ethyl hydrosilicone mafuta, hydroxyhydrosilicone mafuta, cyanogen silikoni mafuta, otsika hydrosilicone mafuta, etc.;kuchokera ku cholinga, damping silikoni mafuta alipo.Mafuta, diffusion mpope silikoni mafuta, hayidiroliki mafuta, insulating mafuta, kutentha kutengerapo mafuta, ananyema mafuta, etc.

Mafuta a silicone ali ndi kutentha kwabwino kwambiri, kutsekemera kwa magetsi, kukana kwa nyengo, hydrophobicity, inertia ya thupi komanso kugwedezeka pang'ono pamwamba, kuwonjezera pa kutentha kwa kutentha kwa viscosity, high compression resistance) mitundu ina imakhalanso ndi ma radiation.

Jiangxi Huahao Chemical Co., Ltd. ili ku Xinghuo Industrial Park.Idakhazikitsidwa mu Novembala 2011 ndipo imakhudza malo opitilira 30 mu.Mu 2014, Phase I Project (4500t / a silicone series product) idayamba kugwira ntchito ndikuvomerezedwa.Zogulitsa zazikuluzikulu ndi: hydroxy silikoni mafuta, dimethylsilicone mafuta, low hydrogen silikoni mafuta, polyether kusinthidwa silikoni mafuta ndi 107 rabara.Mu 2017, idakulitsa zinthu zapansi pamadzi, kuchuluka kwamafuta a vinyl silikoni, mafuta amino silikoni ndi ma silanes, kuphatikiza methyltrimethoxysilane, methyltriethoxysilane ndi methylsilicic acid, komanso kuwongolera mitundu yamafuta a hydrogenated silikoni, okhala ndi mbali imodzi ya haidrojeni koyambirira, ndi kuchuluka kwa ma hydrogen ndi zinthu zina zamapangidwe a hydrogenated.Pakadali pano, mafuta a silicone otentha kwambiri omwe amatha kusintha pang'ono mafuta a silikoni a methyl akuphunziridwa.Anayamba kugwira ntchito mu gawo III pulojekiti mu 2018, mankhwala monga heptamethicone, polyether kusinthidwa silikoni mafuta, silazane, silikoni etha, dimethyldiethoxysilane ndi zinthu zina.

Emulsion ya silicone

Silicone emulsion ndi mawonekedwe a mafuta a silicone.Zotsatirazi zimayambitsidwa kuchokera kuzinthu ziwiri: zofewa zamafuta za silicone ndi mafuta a silicone emulsion defoamer.

I. chofewetsa mafuta a silicone

Emulsion ya silicone imagwiritsidwa ntchito makamaka ngati zofewa za nsalu zamafuta za silikoni.M'badwo woyamba wa silicone kumaliza wopangira nsalu ndi makina osakaniza a mafuta a dimethylsilicone ndi mafuta a hydrosilicone (ndi zotumphukira zake).Mibadwo iwiri ya organosilicon yomaliza yopangira nsalu ndi hydroxyl terminated poly two methyl siloxane emulsion.Amapangidwa ndi emulsion polymerization ya eyiti methyl mphete zinayi siloxane monoma, madzi, emulsifier, chothandizira ndi zipangizo zina pansi pa zinthu zina.Chifukwa polymerization ndi emulsification zimatsirizidwa mu sitepe imodzi, zimakhala ndi ubwino wa maola ochepa ogwira ntchito, kugwira ntchito bwino, zipangizo zosavuta komanso ntchito yabwino.The emulsion analandira ndi khola kwambiri, ndi particles kwambiri yunifolomu.The yogwira polima (hydroxyl) pa malekezero onse a polima akhoza zina anachita kupanga filimu, amene amathandiza kusintha ntchito zotsatira za emulsion, amene sikokwanira makina emulsified silikoni mafuta.

Hydroxyl silikoni mafuta emulsion akhoza kugawidwa mu mitundu ingapo ya emulsion, monga cation, anion, nonionic ndi pawiri ayoni, malinga surfactants osiyana ntchito.

1. cationic hydroxyl silikoni mafuta emulsion

Emulsifier yomwe imagwiritsidwa ntchito mu cationic emulsion polymerization nthawi zambiri imakhala mchere wa quaternary amine (octadecyltrimethyl ammonium chloride yofotokozedwa mu Foreign Literature), ndipo chothandizira ndi ammonium hydroxide.Mkaka wa cationic hydroxyl ukhoza kugwiritsidwa ntchito muzovala zosiyanasiyana mukamaliza.Lili ndi katundu wowongolera chogwirira cha nsalu, kuwongolera kusalala kwa nsalu ndi kusalala.Lili ndi ubwino wina wapadera: wothandizila bwino madzi kwa nsalu, ndi n'zogwirizana ndi methyl hydrogen silikoni mafuta emulsion, kutsekereza madzi ndi madzi durability.Itha kugwiritsidwa ntchito ngati chotchingira madzi kwa chinsalu chotchinga cha poliyesitala komanso chopanda madzi cha nsalu ya poliyesitala.Ndi zina zotero.

2. anionic hydroxyl silikoni mafuta emulsion

Mkaka wa anionic hydroxyl umadziwika ndi kugwirizana kwake muzitsulo zomaliza za nsalu, ndipo emulsion imakhala yokhazikika.Makamaka, othandizira ambiri pakusindikiza nsalu ndi utoto ndi anionic.Ngati cationic hydroxy emulsion ntchito, n'zosavuta chifukwa demulsification ndi bleaching mafuta, pamene anionic hydroxy emulsion angapewe kuipa, choncho ndi otchuka kwambiri ndi ogwiritsa ntchito kwambiri.

3. pawiri ionic hydroxyl silikoni mafuta emulsion

Ngakhale cationic hydroxyapatite ndi yabwino kwambiri nsalu zofewa, emulsion izi si kugonjetsedwa ndi madzi olimba ndipo sangathe ntchito ndi dimethylolyl awiri hydroxyurea urea utomoni.

Ngakhale cationic hydroxyapatite ndi yabwino kwambiri nsalu zofewa, emulsion izi si kugonjetsedwa ndi madzi olimba, ndipo sangathe ntchito mu kusamba yemweyo ndi dimethoxylated awiri hydroxyvinyl urea utomoni (2D) utomoni, chothandizira magnesium kolorayidi ndi anionic whitening wothandizira.Kuphatikiza apo, chifukwa cha kusakhazikika bwino kwa emulsion, ma polima a silicone amasiyanitsidwa mosavuta ndi emulsion ndikuyandama pamadzimadzi, omwe amadziwika kuti "mafuta oyeretsa".Ngati cationic ndi sanali ionic emulsifiers ntchito emulsion polymerization, zofooka za cationic emulsifier pokonzekera hydroxyl silikoni mafuta emulsion akhoza kugonjetsedwa.The okonzeka silikoni emulsion akhoza kupirira madzi olimba, ndipo angagwiritsidwe ntchito kusamba chomwecho ndi 2D utomoni, magnesium kolorayidi ndi whitening wothandizira VBL, ndipo ali wabwino kukana kutentha ndi kuzizira kuzizira.

4. non ionic hydroxyl silikoni mafuta emulsion

Nonionic hydroxy mkaka ali bwino kusinthika ndi bata kuposa akutali hydroxy mkaka, kotero mayiko ambiri ayesetsa kuphunzira nonionic hydroxy mkaka.Mwachitsanzo, UltrateX FSA, mankhwala atsopano opangidwa ku Switzerland, ndi emulsion yopanda ionic yokhala ndi molekyulu yolemera kuposa 200 zikwi ndi mutu wa hydroxyl wa methylsiloxane iwiri.Ndi sitepe patsogolo kuposa Dc-1111 anionic hydroxyapatite emulsion ku United States.

5. Organosilicon kumaliza wothandizira ndi magulu ena ogwira ntchito

Kuti akwaniritse zosowa zapamwamba zomaliza zamitundu yonse ya nsalu, kukonza mafuta otsutsa, odana ndi malo amodzi ndi hydrophilic a nsalu zomaliza za silikoni, ndikupanga nsalu zamtundu wamafuta zimakhala ndi zabwino zambiri za nsalu zachilengedwe, ogwira ntchito silikoni adaphunzira kuyambitsa magulu ena ogwira ntchito monga gulu la amino, gulu la amide, gulu la ester, gulu la cyano, gulu la carboxyl, gulu la epoxy, ndi zina zotero. ndi oyenera kutsirizitsa ubweya wonyezimira komanso wofewa;kuyambitsidwa kwa gulu la amide kuli koyenera kutsirizitsa antifouling, ndipo kufewa kumakhala bwino kwambiri: kuyambika kwa gulu la cyano kumakhala ndi kukana mafuta abwino, ndipo anti-static effect ya copolymer ya polyoxyethylene ether ndi organosilicon ndi yabwino;organofluorine yosinthidwa organosilicon ili ndi mafuta othamangitsa.Anti pollution, anti-static, water repelent ndi zabwino zina zambiri.

Awiri.Silicone mafuta emulsion defoamer.

Silicone mafuta emulsion defoamer zambiri mafuta m'madzi (O/W) emulsion, ndiko kuti, madzi ndi gawo mosalekeza, silikoni mafuta ndi discontinuous gawo.Izo zimasakanizidwa ndi mafuta a silicone, emulsifier ndi thickening wothandizira, ndiyeno pang'onopang'ono kuwonjezera madzi kusakaniza, mobwerezabwereza akupera mu mphero colloid mpaka emulsion ankafuna analandira.

Silicone oil emulsion defoamer ndi defoamer defoamer yomwe imagwiritsidwa ntchito kwambiri mu silicone defoamer.Itha kugwiritsidwa ntchito kwambiri ngati defoamer mumadzi am'madzi.Mukagwiritsidwa ntchito, emulsion ikhoza kuwonjezeredwa mwachindunji ku dongosolo la thovu, ndipo zotsatira zabwino zowonongeka zimatha kupezeka.Kuti kusintha defoaming zotsatira za emulsion ndi kulondola kwa muyeso, si zambiri ntchito mwachindunji kuposa 10% anaikira silikoni mafuta emulsion: choyamba, ndi kuchepetsedwa 10% kapena zochepa ndi madzi ozizira kapena mwachindunji ndi thovu njira.Taboo ayenera kuchepetsedwa ndi kutenthedwa kapena undercooled madzi, apo ayi zingachititse emulsion demulsification.Kukhazikika kwa emulsion kudzakhala koipitsitsa pambuyo pa dilution, ndipo kusanjikiza (kutuluka mafuta) chodabwitsa chingachitike posungirako, ndiko kuti, demulsification.Chifukwa chake, emulsion yochepetsedwa iyenera kugwiritsidwa ntchito posachedwa.Ngati ndi kotheka, thickeners akhoza kuwonjezeredwa kusintha bata la emulsion.Pakuti mtanda ntchito, silikoni mafuta emulsion akhoza kuonjezedwa mwina dongosolo kuthamanga kapena magulu.Pa ntchito mosalekeza, silikoni mafuta emulsion ayenera kuwonjezeredwa mosalekeza kapena intermittently mbali yoyenera ya dongosolo.

Pogwiritsira ntchito emulsion defoamers, kutentha ndi asidi ndi zamchere zamtundu wa thovu ziyenera kuganiziridwa.Chifukwa emulsion yamafuta a silikoni ndi yosalimba, emulsion yake imachotsedwa kale, ndipo idzakhala yosagwira ntchito kapena yosagwira ntchito.Kuchuluka kwa emulsion yamafuta a silicone nthawi zambiri ndi 10 mpaka 10Oppm ya kulemera kwamadzi otulutsa thovu (malinga ndi mita yamafuta a silikoni).Zachidziwikire, palinso ochepera 10 ppm komanso opitilira 100 ppm mwapadera.Mlingo woyenera umatsimikiziridwa makamaka ndi kuyesa.

Nthawi zambiri, silikoni mafuta emulsion defoamer makamaka mafuta m'madzi.Malinga ndi mitundu yosiyanasiyana ya silikoni mafuta, silikoni mafuta emulsion defoamer ali mitundu iyi:

1. silicone mafuta emulsion zochokera awiri methyl silikoni mafuta

Mtundu uwu wa defoamer umapangidwa ndi mafuta a dimethylsilicone, emulsifier ndi madzi.Itha kugwiritsidwa ntchito kwambiri mu nayonso mphamvu, chakudya, kupanga mapepala, CHIKWANGWANI, pharmacy, kupanga utomoni ndi zina zotero.

2. silicone mafuta emulsion zochokera methyl ethoxy silikoni mafuta

Mtundu uwu wa defoamer umapangidwa ndi mafuta a methyl ethoxy silicone ndi othandizira ake.

3. silicone mafuta emulsion zochokera ethyl silikoni mafuta

M'zaka zaposachedwa, organosilicon defoamer ikupita ku block copolymerization (kapena graft copolymerization) ya organosilicon polyether.Mtundu uwu wa defoamer uli ndi makhalidwe onse a organosilicon ndi polyether, kotero mphamvu yowonongeka imakhala yabwino kwambiri;organosilicon polyether copolymer defoamer, yomwe imadziwikanso kuti self emulsifying organosilicon defoamer, ndi unyolo wa hydrophilic ethylene oxide kapena ethylene oxide propylene oxide chain block (kapena kumezanitsa) mu unyolo wa organosilicon molekyulu, kotero kuti gawo la hydrophobic siloxane limaphatikizidwa ndi hydrophilic hydrophilic.Monga defoamer, molekyu yotereyi imakhala ndi coefficient yayikulu yofalikira, imatha kumwazikana molingana ndi sing'anga yotulutsa thovu, ndipo imakhala ndi luso lapamwamba la defoamer.Ndi mtundu watsopano wa defoamer wapamwamba kwambiri.Mphamvu ya emulsifying yodzipangira mafuta a silicone popanda emulsifier ndiyokhutiritsa pamakina ena.Ndikoyenera makamaka kwa omwe sali oyenerera emulsion yamafuta ambiri a silicone ndi emulsion yamafuta ambiri.