Ukuhlaziywa kolwazi lwamafutha abicah kanye namafutha aphansi e-hydrogen silicone

Uwoyela we-silicone ngokuvamile awunambala (noma uphuzi ngokukhanyayo), awunambitheki, awunabuthi, uketshezi olungaguquguquki. Amafutha e-Silicone awancibiliki emanzini, i-methanol, i-glycol kanye ne-ethoxyethanol. Ixubene ne-benzene, i-dimethyl ether, i-methyl ethyl ketone, i-carbon tetrachloride noma uphalafini. Incibilika kancane ku-acetone, i-dioxane, i-ethanol notshwala. Inomfutho omncane womhwamuko, iphoyinti eliphezulu nephuzu lokuthungela, nendawo ephansi yokuqandisa. Ngenombolo ehlukene yezingxenye zamaketanga n, isisindo samangqamuzana siyanda futhi i-viscosity nayo iyanda. Kunama-viscosity ahlukahlukene okulungisa uwoyela we-silicone, kusukela ku-0.65 centistoke kuya ezigidini zamasenti. Uma uwoyela we-silicone we-viscosity ephansi uzolungiswa, ubumba lwe-asidi lungasetshenziswa njenge-catalyst kanye ne-polymerized ku-180 ℃, noma i-sulfuric acid ingasetshenziswa njenge-catalyst futhi yenziwe i-polymerized ekushiseni okuphansi ukukhiqiza uwoyela we-viscosity high abicah noma into ye-viscous.

Ngokwesakhiwo samakhemikhali, uwoyela we-silicone ungahlukaniswa uwoyela we-methyl silicone, uwoyela we-ethyl silicone, uwoyela we-phenyl silicone, uwoyela we-methyl hydrosilicone, uwoyela we-methyl phenylsilicone, uwoyela we-methyl chlorophenyl silicone, uwoyela we-methyl ethoxy silicone, uwoyela we-methyl trifluoropyl silicone, uwoyela we-methyl vinyl silicone. uwoyela, uwoyela we-methyl hydroxysilicone, uwoyela we-ethyl hydrosilicone, uwoyela we-hydroxyhydrosilicone, uwoyela we-cyanogen silicone, ongaphakeme uwoyela we-hydrosilicone, njll.; kusukela inhloso, damping abicah uwoyela iyatholakala. Amafutha, i-diffusion pump asilicone oil, i-hydraulic oil, insulating oil, uwoyela wokudlulisa ukushisa, uwoyela wamabhuleki, njll.

Uwoyela we-silicone unokumelana nokushisa okuhle kakhulu, ukufakwa kukagesi, ukumelana nesimo sezulu, i-hydrophobicity, inertia ye-physiological kanye nokuqina okuncane kwendawo, ngaphezu kwe-coefficient yokushisa ephansi ye-viscosity, ukumelana nokucindezela okuphezulu) ezinye izinhlobo nazo ziyakwazi ukumelana nemisebe.

I-Jiangxi Huahao Chemical Co., Ltd. itholakala e-Xinghuo Industrial Park. Yasungulwa ngoNovemba 2011 futhi ihlanganisa indawo engaphezu kuka-30 mu. Ngo-2014, iProjekthi yesigaba I (4500t / imikhiqizo yochungechunge lwe-silicone) yaqala ukusebenza futhi yamukelwa. Imikhiqizo eyinhloko: uwoyela we-silicone we-hydroxy, uwoyela we-dimethylsilicone, uwoyela we-silicone ophansi we-hydrogen, uwoyela we-polyether oshintshiwe we-silicone kanye nerabha engu-107. Ngo-2017, yanothisa imikhiqizo yemvelo ephansi, yanda uwoyela we-vinyl silicone, uwoyela we-amino silicone nama-silane, okuhlanganisa i-methyltrimethoxysilane, i-methyltriethoxysilane ne-methylsilicic acid, futhi yathuthukisa izinhlobo zamafutha a-silicone e-hydrogenated, enohlangothi olulodwa lwe-hydrogen ekuqaleni, kanye ukwanda kokuphela kwe-hydrogen neminye imikhiqizo yesakhiwo se-hydrogenated. Njengamanje, kusacutshungulwa uwoyela we-silicone abilayo ongashintsha ingxenye kawoyela we-silicone. Iqale ukusebenza kuphrojekthi yesigaba III ngo-2018, imikhiqizo ihlanganisa i-heptamethicone, i-polyether modified silicone oil, i-silazane, i-silicon ether, i-dimethyldiethoxysilane neminye imikhiqizo.

I-Silicone Emulsion

I-silicone emulsion iwuhlobo lwamafutha abicah. Okulandelayo kwethulwa ezicini ezimbili: isithambisi samafutha e-silicone kanye ne-silicone oil emulsion defoamer.

I. isithambisi sendwangu samafutha abicah

I-silicone emulsion isetshenziswa kakhulu njengesithambisi sezindwangu zamafutha abicah. Isizukulwane sokuqala se-ejenti yokuqeda indwangu ye-silicone iyinhlanganisela yemishini yamafutha e-dimethylsilicone namafutha e-hydrosilicone (kanye nokuphuma kwayo). Izizukulwane ezimbili ze-organosilicon i-ejenti yokuqedela indwangu i-hydroxyl terminated poly two methyl siloxane emulsion. Yenziwe nge-emulsion polymerization ye-methyl ring eyisishiyagalombili i-siloxane monomer, amanzi, i-emulsifier, i-catalyst nezinye izinto zokusetshenziswa ngaphansi kwezimo ezithile. Ngenxa yokuthi i-polymerization kanye ne-emulsification kuqedwa ngesinyathelo esisodwa, kunezinzuzo zamahora amafushane okusebenza, ukusebenza kahle okuphezulu, okokusebenza okulula kanye nokusebenza okulula. I-emulsion etholakalayo izinzile kakhulu, futhi izinhlayiya zifana kakhulu. I-polymer esebenzayo (i-hydroxyl) emikhawulweni yomibili ye-polymer ingasabela ngokuqhubekayo ukuze yenze ifilimu, okulungele ukuthuthukisa umphumela wokufaka isicelo we-emulsion, enganele kuwoyela we-silicone emulsified.

I-emulsion kawoyela we-Hydroxyl silicone ingahlukaniswa ngezinhlobo eziningana ze-emulsion, njenge-cation, i-anion, i-nonionic ne-ion ehlanganisiwe, ngokusho kwama-surfactants ahlukene asetshenzisiwe.

1. i-emulsion yamafutha e-cationic hydroxyl abicah

I-emulsifier esetshenziswa ku-cationic emulsion polymerization ngokuvamile usawoti we-quaternary amine (i-octadecyltrimethyl ammonium chloride ebikwe ku-Foreign Literature), futhi i-catalyst i-ammonium hydroxide. Ubisi lwe-Cationic hydroxyl lungasetshenziswa ezindwangu ezihlukahlukene ngemva kokuqeda. Inezici zokuthuthukisa isibambo sendwangu, ukuthuthukisa ukunwebeka kwendwangu nokushelela. Inenye inzuzo eyingqayizivele: i-ejenti efanelekile engenamanzi yezindwangu, ihambisana ne-methyl hydrogen silicone emulsion yamafutha, ukuvimbela amanzi kanye nokuqina okungangeni manzi. Ingasetshenziswa njenge-ejenti yokuvimbela amanzi yendwangu yekhava ye-polyester kanye ne-ejenti engangeni manzi yendwangu yekhadi le-polyester. Njalo njalo.

2. i-amulsion yamafutha e-anionic hydroxyl silicone

Ubisi lwe-anionic hydroxyl lubonakala ngokuhambisana kwalo ku-ejenti yokuqeda indwangu, futhi i-emulsion izinzile kakhulu. Ikakhulukazi, iningi lezinsiza zokuphrinta izindwangu kanye nokudaya ziyi-anionic. Uma i-cationic hydroxy emulsion isetshenziswa, kulula ukubangela i-demulsification kanye namafutha okugcoba, kuyilapho i-anionic hydroxy emulsion ingagwema lokhu kungalungile, ngakho-ke ithandwa kakhulu kubasebenzisi futhi isetshenziswa kabanzi.

3. i-emulsion yamafutha e-ionic hydroxyl ehlanganisiwe

Nakuba i-cationic hydroxyapatite iyisithambisa sendwangu esihle kakhulu, le emulsion ayimelani namanzi aqinile futhi ayikwazi ukusetshenziswa ne-dimethylolyl two hydroxyurea urea resin.

Nakuba i-cationic hydroxyapatite iyisithambisi sendwangu esihle kakhulu, le emulsion ayimelani namanzi aqinile, futhi ayikwazi ukusetshenziswa endaweni yokugeza efanayo ne-dimethoxylated hydroxyvinyl urea resin (2D) resin (2D), i-catalyst magnesium chloride kanye ne-anionic whitening agent. Ngaphezu kwalokho, ngenxa yokungaqini kahle kwe-emulsion, ama-polymers a-silicone ahlukaniswa kalula ne-emulsion futhi antante endaweni ewuketshezi, eyaziwa ngokuthi "i-bleaching oil". Uma ama-emulsifiers we-cationic kanye ne-non-ionic asetshenziswa ku-emulsion polymerization, ukushiyeka kwe-cationic emulsifier yokulungiselela i-emulsion kawoyela we-hydroxyl silicone kunganqotshwa. I-emulsion ye-silicone elungisiwe ingakwazi ukumelana namanzi aqinile, futhi ingasetshenziswa ekugezeni okufanayo ne-2D resin, i-magnesium chloride ne-agent emhlophe ye-VBL, futhi inokumelana nokushisa okuhle nokumelana nokuqandisa.

4. i-emulsion yamafutha e-non-ionic hydroxyl abicah

Ubisi lwe-Nonionic hydroxy lunokuguquguquka okungcono nokuzinza kunobisi lwe-hydroxy oluhlukanisiwe, ngakho-ke amazwe amaningi enze imizamo emikhulu yokutadisha ubisi lwe-nonionic hydroxy. Isibonelo, i-UltrateX FSA, umkhiqizo omusha owenziwe eSwitzerland, i-emulsion engeyona i-ionic enesisindo samangqamuzana esingaphezu kwezinkulungwane ze-200 kanye nenhloko ye-hydroxyl ye-methylsiloxane emibili. Kuyisinyathelo esiya phambili kune-emulsion ye-Dc-1111 anionic hydroxyapatite e-United States.

5. I-ejenti yokuqeda i-Organosilicon namanye amaqembu asebenzayo

Ukuze kuhlangatshezwane nezidingo zokuqeda okuthuthukisiwe kwazo zonke izinhlobo zezindwangu, thuthukisa amafutha e-anti, anti-static kanye ne-hydrophilic yezindwangu zokuqeda i-silicone, futhi wenze izindwangu ze-fiber zamakhemikhali zibe nezinzuzo eziningi zezindwangu zemvelo, abasebenzi be-silicone baye bafunda ukwethulwa kwe-silicone. amanye amaqembu asebenzayo njengeqembu le-amino, iqembu le-amide, iqembu le-ester, iqembu le-cyano, iqembu le-carboxyl, iqembu le-epoxy, njll. Ukwethulwa kwalawa maqembu kwenza i-organosilicon i-ejenti yokuqedela indwangu ibe nemiphumela ekhethekile, isibonelo, ukwethulwa kweqembu le-amino ku-molecule ye-organosilicon ifanele ukuqedwa kwe-preshrunk nokuthambile koboya; ukwethulwa kweqembu le-amide kulungele ukuqeda i-antifouling, futhi ukuthambisa kuthuthukiswa kakhulu: ukwethulwa kweqembu le-cyano kunokumelana okuhle kwamafutha, kanye nomphumela we-anti-static we-copolymer ye-polyoxyethylene ether ne-organosilicon kuhle; i-organofluorine modified organosilicon ine-repellency yamafutha. I-Anti-pollution, i-anti-static, i-repellent yamanzi nezinye izinzuzo eziningi.

Okubili. I-silicone oil emulsion defoamer.

I-silicone oil emulsion defoamer ngokuvamile iwuwoyela emanzini (O/W) emulsion, okungukuthi, amanzi ayisigaba esiqhubekayo, uwoyela we-silicone uyisigaba esingapheli. Ihlanganiswe ngaphambili namafutha abicah, i-emulsifier kanye ne-agent yokuqina, bese kancane kancane ingeza amanzi ukuze ixube, igaye ngokuphindaphindiwe kumshini we-colloid kuze kutholakale i-emulsion oyifunayo.

I-silicone oil emulsion defoamer iyi-ejenti yokukhipha ugwebu esetshenziswa kabanzi ku-silicone defoamer. Ingasetshenziswa kabanzi njenge-defoamer ohlelweni lwe-aqueous. Uma isetshenziswa, i-emulsion ingangezwa ngqo ohlelweni lwe-foaming, futhi umphumela omuhle wokukhipha amagwebu ungatholakala. Ukuze kuthuthukiswe umphumela we-emulsion we-defoaming kanye nokunemba kokulinganisa, ngokuvamile ayisetshenziswanga ngokuqondile ngaphezu kwe-10% ye-emulsion kawoyela we-silicone egxilile: okokuqala, ihlanjululwe ku-10% noma ngaphansi ngamanzi abandayo noma ngokuqondile nesisombululo esigwebu. I-taboo kufanele ihlanjululwe ngoketshezi olushisa ngokweqile noma olungapholile, ngaphandle kwalokho kuzodala i-emulsion demulsification. Ukuzinza kwe-emulsion kuzoba kubi kakhulu ngemuva kokuhlanjululwa, futhi i-layer (i-oil bleaching) ingenzeka ngesikhathi sokugcina, okungukuthi, i-demulsification. Ngakho-ke, i-emulsion ehlanjululwe kufanele isetshenziswe ngokushesha ngangokunokwenzeka. Uma kunesidingo, ama-thickeners angangezwa ukuze kuthuthukiswe ukuzinza kwe-emulsion. Ngokusebenza kwe-batch, i-emulsion kawoyela ye-silicone ingangezwa ngaphambi kokuthi uhlelo lusebenze noma ngamaqoqo. Ukuze usebenze ngokuqhubekayo, i-emulsion yamafutha e-silicone kufanele yengezwe ngokuqhubekayo noma ngezikhathi ezithile ezingxenyeni ezifanele zesistimu.

Ekusetshenzisweni kwe-emulsion defoamers, izinga lokushisa kanye ne-asidi kanye nezimo ze-alkaline zesistimu ye-foaming kufanele zicatshangelwe. Ngenxa yokuthi i-emulsion kawoyela ye-silicone ithambile kakhulu, i-emulsion yayo izokhishwa ngaphambi kwesikhathi, futhi izoba ngasebenzi kahle noma ingasebenzi. Inani le-emulsion kawoyela we-silicone ngokuvamile liyi-10 kuye ku-10Oppm lesisindo soketshezi olugwebu (ngokuvumelana nemitha kawoyela ye-silicone). Yebo, kukhona futhi ngaphansi kuka-10 ppm futhi ngaphezu kuka-100 ppm ezimweni ezikhethekile. Umthamo ofanelekile unqunywa ngokuyinhloko ukuhlolwa.

Ngokuvamile, i-silicone oil emulsion defoamer iningi lamafutha emanzini. Ngokwezinhlobo ezahlukene zamafutha abicah, i-silicone oil emulsion defoamer inezinhlobo ezilandelayo:

1. i-emulsion ye-silicone yamafutha esekelwe kumafutha amabili e-methyl abicah

Lolu hlobo lwe-defoamer lwakhiwe ngamafutha e-dimethylsilicone, i-emulsifier namanzi. Ingasetshenziswa kabanzi ku-fermentation, ukudla, ukwenza iphepha, i-fiber, ikhemisi, i-synthetic resin nokunye.

2. i-emulsion yamafutha e-silicone esekelwe kuwoyela we-methyl ethoxy silicone

Lolu hlobo lwe-defoamer lwenziwe ngamafutha a-silicone e-methyl ethoxy kanye ne-ejenti yawo ehlanganisayo.

3. i-emulsion yamafutha abicah esekelwe kumafutha e-ethyl abicah

Eminyakeni yamuva nje, i-organosilicon defoamer ithuthukela ku-block copolymerization (noma i-graft copolymerization) ye-organosilicon polyether. Lolu hlobo lwe-defoamer lunezici zazo zombili i-organosilicon ne-polyether, ngakho amandla okukhipha amagwebu athuthukiswa kakhulu; I-organosilicon polyether copolymer defoamer, eyaziwa nangokuthi i-self emulsifying organosilicon defoamer, iyiketango le-hydrophilic ethylene oxide noma i-ethylene oxide propylene oxide chain block (noma igrafti) kuketango lamangqamuzana e-organosilicon, ukuze ingxenye ye-hydrophobic siloxane ihlanganiswe ne-hydrophilic. Njenge-defoamer, i-molecule enjalo ine-coefficient enkulu yokusabalalisa, ingahlakaza ngokulinganayo endaweni enegwebu, futhi inokusebenza kahle kwe-defoamer ephezulu. Iwuhlobo olusha lwe-defoamer esebenza kahle kakhulu. Umthelela wokuqinisa wamafutha abicah azifakela wona ngaphandle kwe-emulsifier wanelisa kakhulu kwezinye izinhlelo. Ifaneleka ngokukhethekile kulabo abangafaneleki i-emulsion yamafutha e-silicone evamile kanye ne-emulsion yamafutha e-silicone evamile.