Uhlalutyo lolwazi lweoli ye-silicone kunye neoli ye-silicone ephantsi ye-hydrogen

Ioyile yeSilicone ayinambala (okanye ityheli elikhanyayo), ayinancasa, ayinatyhefu, ulwelo olungaguquguqukiyo. Ioli yeSilicone ayinyibiliki emanzini, i-methanol, i-glycol kunye ne-ethoxyethanol. Iyaxubana ne-benzene, i-dimethyl ether, i-methyl ethyl ketone, i-carbon tetrachloride okanye i-kerosene. Inyibilika kancinane kwi-acetone, i-dioxane, i-ethanol kunye notywala. Inoxinzelelo oluncinci lomphunga, inqanaba eliphezulu lokukhanya kunye nendawo yokutshisa, kunye neqondo eliphantsi lomkhenkce. Ngenani elihlukeneyo lamacandelo e-chain n, ubunzima be-molecular buyanda kwaye i-viscosity iyanda. Kukho ii-viscosities ezahlukeneyo zokulungisa ioli ye-silicone, ukusuka kwi-0.65 yeesenti ukuya kwizigidi zeesenti. Ukuba ioli ye-silicone ye-viscosity ephantsi kufuneka ilungiswe, udongwe lwe-asidi lunokusetyenziswa njenge-catalyst kunye ne-polymerized kwi-180 ℃, okanye i-asidi yesulfuric ingasetyenziswa njenge-catalyst kunye ne-polymerized kubushushu obuphantsi ukuvelisa ioli ye-viscosity ephezulu ye-silicone okanye i-viscous substance.

Ngokwesakhiwo sekhemikhali, ioli ye-silicone inokwahlulwa ibe yi-methyl silicone oyile, i-ethyl silicone oyile, ioli ye-phenyl silicone, ioli ye-methyl hydrosilicone, ioli ye-methyl phenylsilicone, i-methyl chlorophenyl ioli ye-silicone, i-methyl ethoxy silicone oil, i-methyl trifluoropyl ioli ye-silicone, i-methyl vinyl silicon. ioli, ioli ye-methyl hydroxysilicone, ioli ye-ethyl hydrosilicone, ioli ye-hydroxyhydrosilicone, ioli ye-silicone ye-cyanogen, ephantsi ioli ye-hydrosilicone, njl.; ukusuka kwinjongo, ukumanzisa ioli ye-silicone iyafumaneka. I-oyile, i-oyile ye-diffusion pump silicone, ioli ye-hydraulic, i-oyile yokugquma, i-oyile yokudlulisa ubushushu, i-oyile ye-brake, njl.

Ioyile yeSilicone inokumelana nobushushu obugqwesileyo, ukugqunywa kombane, ukumelana nemozulu, i-hydrophobicity, inertia ye-physiological kunye noxinzelelo oluncinci lomphezulu, ukongeza kwi-coefficient ephantsi yobushushu be-viscosity, ukumelana noxinzelelo oluphezulu) ezinye iindidi zinokumelana nemitha.

Jiangxi Huahao Chemical Co., Ltd. ibekwe Xinghuo Industrial Park. Yasekwa ngoNovemba 2011 kwaye ithatha indawo engaphezu kwe-30 mu. Kwi-2014, iProjekthi yesigaba I (4500t / iimveliso ze-silicone series) yafakwa ekusebenzeni kwaye yamkelwa. Iimveliso eziphambili zezi: ioli ye-silicone ye-hydroxy, ioli ye-dimethylsilicone, ioli ye-silicone ephantsi ye-hydrogen, i-polyether eguqulelwe ioli ye-silicone kunye ne-rubber ye-107. Ngo-2017, yatyebisa imveliso ye-organic ezantsi, i-vinyl ioli ye-silicone yanda, i-amino silicone ioli kunye ne-silanes, kuquka i-methyltrimethoxysilane, i-methyltriethoxysilane kunye ne-methylsilicic acid, kunye nokuphucula iintlobo zeoli ye-silicone ye-hydrogenated, kunye necala elinye le-hydrogen kwinqanaba lokuqala, kunye ukwanda kwesiphelo se-hydrogen kunye nezinye iimveliso ze-hydrogenated zesakhiwo. Okwangoku, ioli ye-silicone ebilayo ephezulu enokuthi ithathe indawo yeoyile yesilicone ye-methyl iyafundwa. Yaqala ukusebenza kwiprojekthi yesigaba III ngo-2018, iimveliso ziquka i-heptamethicone, i-polyether modified silicone oil, i-silazane, i-silicon ether, i-dimethyldiethoxysilane kunye nezinye iimveliso.

I-Silicone Emulsion

I-silicone emulsion yindlela yeoli ye-silicone. Oku kulandelayo kungeniswe kwimiba emibini: i-silicone oil softener kunye ne-silicone oil emulsion defoamer.

I. isithambisi selaphu le-silicone yeoli

I-emulsion ye-silicone isetyenziswa kakhulu njenge-softener yamalaphu e-oyile ye-silicone. Isizukulwana sokuqala se-agent ye-silicone yokugqiba i-agent ngumxube womatshini weoli ye-dimethylsilicone kunye neoli ye-hydrosilicone (kunye ne-derivatives yayo). Isizukulwana esibini searhente yokugqiba ilaphu le-organosilicon yi-hydroxyl ephelisiwe i-poly two methyl siloxane emulsion. Yenziwe nge-emulsion polymerization ye-methyl ring emine ye-siloxane monomer, amanzi, i-emulsifier, i-catalyst kunye nezinye izinto eziluhlaza phantsi kweemeko ezithile. Ngenxa yokuba i-polymerization kunye ne-emulsification igqitywe ngenyathelo elinye, ineenzuzo zeeyure ezimfutshane zokusebenza, ukusebenza kakuhle okuphezulu, izixhobo ezilula kunye nokusebenza kakuhle. I-emulsion efunyenweyo izinzile kakhulu, kwaye iinqununu zifana kakhulu. I-polymer esebenzayo (i-hydroxyl) kuzo zombini iziphelo ze-polymer inokuphinda iphendule ukwenza ifilimu, ehambelana nokuphucula umphumo wesicelo se-emulsion, enganelanga kwioli ye-silicone ye-mechanical emulsified.

I-emulsion yeoli ye-Hydroxyl ye-silicone inokwahlulwa ibe ziindidi ezininzi ze-emulsion, ezifana ne-cation, i-anion, i-nonionic kunye ne-ion edibeneyo, ngokweendlela ezahlukeneyo zokusebenzisa i-surfactants.

1. i-emulsion yeoli ye-cationic hydroxyl silicone

I-emulsifier esetyenziswa kwi-cationic emulsion polymerization idla ngokuba yi-quaternary amine salt (i-octadecyltrimethyl ammonium chloride exelwe kwi-Foreign Literature), kwaye i-catalyst yi-ammonium hydroxide. Ubisi lweCationic hydroxyl lunokusetyenziswa kwiilaphu ezahlukeneyo emva kokugqiba. Ineempawu zokuphucula umqheba welaphu, ukuphucula ukunwebeka kwelaphu kunye nokuguda. Inenye inzuzo ekhethekileyo: i-ejenti efanelekileyo yokungangeni manzi kwiindwangu, iyahambelana ne-methyl hydrogen silicone emulsion yeoli, i-waterproofing kunye nokuqina kwamanzi. Ingasetyenziswa njenge-arhente yokuthintela amanzi kwilaphu ye-polyester yesigqubuthelo kunye ne-agent engenamanzi kwilaphu lekhadi le-polyester. Kwaye nangokunjalo.

2. i-anionic hydroxyl emulsion yeoli ye-silicone

Ubisi lwe-anionic hydroxyl lubonakaliswa ngokuhambelana kwayo kwi-ejenti yokugqiba indwangu, kwaye i-emulsion izinzile kakhulu. Ngokukodwa, uninzi lwabancedisi ekushicileleni i-textile kunye nokudaya i-anionic. Ukuba i-cationic hydroxy emulsion isetyenzisiweyo, kulula ukubangela i-demulsification kunye neoli ye-bleaching, ngelixa i-anionic hydroxy emulsion inokuphepha le ntlupheko, ngoko ithandwa kakhulu kubasebenzisi kwaye isetyenziswe ngokubanzi.

3. emulsion yeoli ye-silicone ye-ionic hydroxyl

Nangona i-cationic hydroxyapatite iyinto egqwesileyo yokuthambisa ilaphu, le emulsion ayinakumelana namanzi anzima kwaye ayinakusetyenziswa kunye ne-dimethylolyl ezimbini ze-hydroxyurea urea resin.

Nangona i-cationic hydroxyapatite isisithambisi selaphu esigqwesileyo, le emulsion ayixhathisi kumanzi anzima, kwaye ayinakusetyenziswa kwibhafu enye kunye ne-dimethoxylated ezimbini ze-hydroxyvinyl urea resin (2D) resin, i-catalyst magnesium chloride kunye ne-anionic whitening agent. Ukongeza, ngenxa yokungazinzi kakuhle kwe-emulsion, iipolymers ze-silicone zihlukaniswe ngokulula kwi-emulsion kwaye zidada kwindawo yolwelo, eyaziwa ngokuba yi "oyile emhlophe". Ukuba i-cationic kunye ne-non-ionic emulsifiers isetyenziswe kwi-emulsion polymerization, iintsilelo ze-cationic emulsifier yokulungiselela i-hydroxyl silicone emulsion yeoli inokunqotshwa. I-emulsion ye-silicone elungiselelwe iyakwazi ukumelana namanzi anzima, kwaye ingasetyenziselwa kwindawo yokuhlambela enye kunye ne-resin ye-2D, i-magnesium chloride kunye ne-agent emhlophe ye-VBL, kwaye inokumelana nokushisa okulungileyo kunye nokuxhatshazwa kweqhwa.

4. i-emulsion yeoli ye-silicone engekho i-ionic hydroxyl

Ubisi lwe-nonionic hydroxy lunokuguquguquka okungcono kunye nokuzinza kunobisi lwe-hydroxy oluzimeleyo, amazwe amaninzi enze iinzame ezinkulu zokufunda ubisi lwe-nonionic hydroxy. Ngokomzekelo, i-UltrateX FSA, imveliso entsha eyenziwe eSwitzerland, i-emulsion engeyiyo ionic ene-molecular weight than 200 thousand kunye nentloko ye-hydroxyl yee-methylsiloxane ezimbini. Linyathelo eliya phambili kune-Dc-1111 anionic hydroxyapatite emulsion e-United States.

5. I-arhente yokugqiba i-Organosilicon kunye namanye amaqela asebenzayo

Ukuze kuhlangatyezwane neemfuno zokugqitywa okuphambili kwazo zonke iintlobo zamalaphu, ukuphucula i-oyile echasene ne-anti, i-anti-static kunye ne-hydrophilic ye-silicone yokugqiba amalaphu, kunye nokwenza amalaphu e-chemical fibers aneenzuzo ezininzi zamalaphu endalo, abasebenzi be-silicone baye bafunda ukuqaliswa kwe-silicone. amanye amaqela asebenzayo afana neqela le-amino, iqela le-amide, iqela le-ester, iqela le-cyano, iqela le-carboxyl, iqela le-epoxy, njl. umzekelo, ukuqaliswa kweqela le-amino kwi-molecule ye-organosilicon ifanelekile kwi-preshrunk kunye nokugqitywa okuthambileyo koboya; ukuqaliswa kweqela le-amide lilungele ukugqitywa kwe-antifouling, kwaye ukuthambisa kuphuculwe kakhulu: ukuqaliswa kweqela le-cyano linokumelana neoli, kunye nefuthe elichasayo le-copolymer ye-polyoxyethylene ether kunye ne-organosilicon ilungile; i-organofluorine eguqulweyo ye-organosilicon ine-oyile yokugxotha. Anti ungcoliseko, anti-static, ukugxotha amanzi kunye nezinye iingenelo ezininzi.

Mbini. Ioli ye-silicone emulsion defoamer.

I-silicone ioli ye-emulsion defoamer ngokuqhelekileyo ioli emanzini (O / W) emulsion, oko kukuthi, amanzi sisigaba esiqhubekayo, ioli ye-silicone yinqanaba eliyekayo. Ixutywe ngaphambili kunye neoli ye-silicone, i-emulsifier kunye ne-agent yokuqina, kwaye ngokuthe ngcembe yongeza amanzi ukuxuba, ngokuphindaphindiweyo ukugaya kwi-colloid mill de i-emulsion efunwayo ifunyenwe.

I-silicone ioli ye-emulsion defoamer yi-agent e-defoaming esetyenziswa ngokubanzi kwi-silicone defoamer. Ingasetyenziswa ngokubanzi njenge-defoamer kwinkqubo yamanzi. Xa isetyenzisiwe, i-emulsion inokongezwa ngokuthe ngqo kwi-foaming system, kwaye isiphumo esihle sokuhlambalaza sinokufumaneka. Ukuze kuphuculwe i-defoaming effect ye-emulsion kunye nokuchaneka kokulinganisa, ngokuqhelekileyo ayisetyenziswanga ngokuthe ngqo ngaphezu kwe-10% ye-emulsion yeoli egxininisiweyo ye-silicone: okokuqala, ihlanjululwe kwi-10% okanye ngaphantsi kwamanzi abandayo okanye ngokuthe ngqo kunye nesisombululo esinamagwebu. I-Taboo kufuneka ihlanjululwe ngolwelo olugqithisiweyo okanye olungaphantsi, ngaphandle koko luya kubangela ukuchithwa kwe-emulsion. Ukuzinza kwe-emulsion kuya kuba kubi ngakumbi emva kokuhlanjululwa, kunye ne-layer (i-oil bleaching) into enokuthi yenzeke kwinkqubo yokugcina, oko kukuthi, i-demulsification. Ngoko ke, i-emulsion ehlanjululweyo kufuneka isetyenziswe ngokukhawuleza. Ukuba kuyimfuneko, i-thickeners inokongezwa ukuphucula ukuzinza kwe-emulsion. Ukusebenza kwebhetshi, i-emulsion yeoli ye-silicone inokongezwa nokuba ngaphambi kokuba inkqubo iqhube okanye kwiibhetshi. Ukusebenza ngokuqhubekayo, i-emulsion yeoli ye-silicone kufuneka yongezwe ngokuqhubekayo okanye ngokukhawuleza kwiindawo ezifanelekileyo zenkqubo.

Ukusetyenziswa kwe-emulsion defoamers, iqondo lokushisa kunye ne-asidi kunye neemeko ze-alkaline zenkqubo ye-foaming kufuneka zithathelwe ingqalelo. Ngenxa yokuba i-emulsion yeoli ye-silicone ithambile ngakumbi, i-emulsion yayo iya kuchithwa kwangaphambili, kwaye iya kuba yinto engasebenziyo okanye ingasebenzi. Ubungakanani be-emulsion yeoli ye-silicone ngokuqhelekileyo yi-10 ukuya kwi-10Oppm yobunzima bolwelo olugwebu (ngokwemitha yeoli ye-silicone). Kakade ke, kukho kwakhona ngaphantsi kwe-10 ppm kwaye ngaphezulu kwe-100 ppm kwiimeko ezizodwa. Idosi efanelekileyo imiselwa ikakhulu yimifuniselo.

Ngokuqhelekileyo, ioli ye-silicone i-emulsion defoamer ininzi ioli emanzini. Ngokweentlobo ezahlukeneyo zeoli ye-silicone, i-silicone i-emulsion defoamer yeoli inezi ntlobo zilandelayo:

1. i-emulsion yeoli ye-silicone esekelwe kwioli ye-silicone ye-methyl

Olu hlobo lwe-defoamer lwenziwe ngeoli ye-dimethylsilicone, i-emulsifier kunye namanzi. Ingasetyenziswa ngokubanzi kwi-fermentation, ukutya, ukwenza iphepha, i-fiber, ikhemesti, i-synthetic resin kunye nokunye.

2. i-emulsion yeoli ye-silicone esekelwe kwioli ye-silicone ye-methyl ethoxy

Olu hlobo lwe-defoamer lwenziwe ngeoli ye-silicone ye-methyl ethoxy kunye ne-agent edibeneyo.

3. i-emulsion yeoli ye-silicone esekelwe kwioli ye-silicone ye-ethyl

Kwiminyaka yakutshanje, i-organosilicon defoamer iphuhlisa ibhekisa kwibhloko ye-copolymerization (okanye i-graft copolymerization) ye-organosilicon polyether. Olu hlobo lwe-defoamer luneempawu zombini ze-organosilicon kunye ne-polyether, ngoko ke amandla okuhlambalaza aphuculwe kakhulu; i-organosilicon polyether copolymer defoamer, ekwaziwa ngokuba yi-self emulsifying organosilicon defoamer, yi-hydrophilic ethylene oxide chain okanye i-ethylene oxide propylene oxide chain block (okanye igrafti) kwitsheyini ye-organosilicon yemolekyuli, ukuze inxalenye ye-hydrophobic siloxane idityaniswe ne-hydrophilic polyether. Njenge-defoamer, i-molekyuli enjalo ine-coefficient enkulu yokusabalalisa, inokusasazeka ngokulinganayo kwi-foam medium, kwaye inokusebenza kakuhle kwe-defoamer. Luhlobo olutsha lwe-high-efficiency defoamer. Isiphumo emulsifying of self emulsifying ioli yesilicone ngaphandle kwe-emulsifier yanelisa kakhulu kwezinye iinkqubo. Kuyafaneleka ngakumbi abo bangafanelekanga kwi-emulsion yeoli ye-silicone ngokubanzi kunye ne-emulsion yeoli ye-silicone ngokubanzi.