Isesengura ry'ubumenyi bw'amavuta ya silicone n'amavuta make ya hydrogen silicone

Amavuta ya silicone muri rusange ntabwo afite ibara (cyangwa umuhondo werurutse), uburyohe, ntabwo ari uburozi, amazi adahindagurika.Amavuta ya silicone ntashobora gushonga mumazi, methanol, glycol na - ethoxyethanol.Ntibishobora na benzene, dimethyl ether, methyl etyl ketone, karubone tetrachloride cyangwa kerosene.Irashobora gushonga gato muri acetone, dioxane, Ethanol na alcool.Ifite umuvuduko muto wumuyaga, flash point yo hejuru hamwe nu muriro, hamwe nubukonje buke.Hamwe numubare utandukanye wurunigi n, uburemere bwa molekile bwiyongera kandi ubwiza nabwo buriyongera.Hariho ibishishwa bitandukanye byo gutunganya amavuta ya silicone, kuva kuri 0,65 centistoke kugeza kuri miliyoni za centistoke.Niba hagomba gutegurwa amavuta make ya silicone ya silicone, ibumba rya acide rirashobora gukoreshwa nka catalizator na polymerisime kuri 180 or, cyangwa aside sulfurike irashobora gukoreshwa nka catalizator hamwe na polymerisime mubushyuhe buke kugirango itange amavuta menshi ya silicone cyangwa ibintu byijimye.

Ukurikije imiterere yimiti, amavuta ya silicone arashobora kugabanywamo amavuta ya methyl silicone, amavuta ya silicone ya Ethyl, amavuta ya silicone, amavuta ya methyl hydrosilicone, amavuta ya methyl phenylsilicone, amavuta ya methyl chlorophenyl silicone, amavuta ya methyl ethoxy silicone, methyl trifluoropyl silicone amavuta, amavuta ya hydroxysilicone, amavuta ya hydrosilicone, amavuta ya hydroxyhydrosilicone, amavuta ya silicone ya cyanogen, amavuta ya hydrosilicone, nibindi.;uhereye kubigamije, kugabanya amavuta ya silicone arahari.Amavuta, gukwirakwiza pompe amavuta ya silicone, amavuta ya hydraulic, amavuta akingira, amavuta yohereza ubushyuhe, amavuta ya feri, nibindi.

Amavuta ya Silicone afite ubukana buhebuje, kubika amashanyarazi, kurwanya ikirere, hydrophobicity, inertia physiologique hamwe nubushyuhe buke bwubutaka, usibye ko coeffisente yubushyuhe buke buke, irwanya compression nyinshi) amoko amwe nayo afite kurwanya imirasire.

Jiangxi Huahao Chemical Co., Ltd. iherereye muri parike yinganda ya Xinghuo.Yashinzwe mu Gushyingo 2011 kandi ifite ubuso burenga 30 mu.Muri 2014, icyiciro cya I Umushinga (4500t / ibicuruzwa bya silicone) byashyizwe mubikorwa kandi biremerwa.Ibicuruzwa nyamukuru ni: amavuta ya hydroxy silicone, amavuta ya dimethylsilicone, amavuta ya hydrogène silicone make, amavuta ya silicone yahinduwe hamwe na rubber 107.Muri 2017, yatungishije ibikomoka ku buhinzi-mwimerere, yongera amavuta ya vinyl silicone, amavuta ya silicone amavuta na silanes, harimo methyltrimethoxysilane, methyltriethoxysilane na aside methylsilicic, ndetse inatezimbere amoko y’amavuta ya hydrogène hydrogène, hamwe na hydrogène kuruhande rumwe hakiri kare, kandi kongera hydrogène yanyuma nibindi bicuruzwa byubatswe byubatswe.Kugeza ubu, amavuta ya silicone atetse ashobora gusimbuza igice cya peteroli ya methyl silicone.Yatangiye gukora mu cyiciro cya III muri 2018, ibicuruzwa birimo heptamethicone, amavuta ya silicone yahinduwe, silazane, silicon ether, dimethyldiethoxysilane nibindi bicuruzwa

Silicone Emulsion

Emulion ya Silicone nuburyo bwamavuta ya silicone.Ibikurikira byatangijwe mubice bibiri: koroshya amavuta ya silicone hamwe na silicone yamavuta ya emulion defoamer.

I. imyenda ya silicone yoroshya

Emulion ya Silicone ikoreshwa cyane cyane koroshya imyenda ya silicone.Igisekuru cya mbere cyimyenda ya silicone irangiza ni imashini ivanze ya dimethylsilicone namavuta ya hydrosilicone (nibibikomokaho).Ibisekuru bibiri byimyenda ya organosilicon irangiza ni hydroxyl yarangije poly ebyiri methyl siloxane emulsion.Ikorwa na emulion polymerisation ya methyl umunani impeta ya siloxane monomer, amazi, emulisiferi, catalizator nibindi bikoresho bibisi mubihe bimwe.Kuberako polymerisation na emulisation byujujwe mu ntambwe imwe, bifite ibyiza byamasaha make yakazi, gukora neza, ibikoresho byoroshye nibikorwa byoroshye.Emuliyoni yabonetse irahagaze neza, kandi ibice birasa cyane.Polimeri ikora (hydroxyl) kumpande zombi za polymer irashobora kongera kwitabwaho kugirango ikore firime, ifasha kunoza imikorere yimikorere ya emulsiyo, idahagije kumavuta ya silicone ya emulisike.

Hydroxyl silicone yamavuta ya emuliyoni irashobora kugabanwa muburyo butandukanye bwa emulioni, nka cation, anion, nonionic hamwe na ion ion, ukurikije surfactants zitandukanye zikoreshwa.

1. amavuta ya hydroxyl silicone yamavuta

Emulisiferi ikoreshwa muri cationic emulsion polymerisation mubisanzwe ni umunyu wa kane wa amine (octadecyltrimethyl ammonium chloride ivugwa mubitabo by’amahanga), kandi umusemburo ni hydroxide ya amonium.Amata ya hydroxyl ya cationic arashobora gukoreshwa mumyenda itandukanye nyuma yo kurangiza.Ifite imiterere yo kunoza imyenda yimyenda, kunoza ubuhanga bwimyenda no koroha.Ifite akandi karusho kadasanzwe: igikoresho cyiza kitarinda amazi kumyenda, kirahujwe na methyl hydrogen silicone yamavuta ya emulion, kutirinda amazi no kuramba.Irashobora gukoreshwa nkibikoresho bitarinda amazi kubipfundikizo bya polyester hamwe nibikoresho bitarimo amazi kumyenda yikarita ya polyester.N'ibindi.

2. amavuta ya anionic hydroxyl silicone amavuta

Amata ya hydroxyl ya anionic arangwa nubwuzuzanye mubikorwa byo kurangiza imyenda, kandi emulion irahagaze neza.By'umwihariko, benshi mu bafasha mu gucapa imyenda no gusiga irangi ni anionic.Niba emulioni ya cationic hydroxy ikoreshwa, biroroshye gutera demulisiyasi hamwe namavuta yo guhumanya, mugihe anionic hydroxy emulsion irashobora kwirinda iyi ngaruka, bityo ikundwa cyane nabakoresha kandi ikoreshwa cyane.

3. ifumbire ya ionic hydroxyl silicone yamavuta

Nubwo hydroxyapatite ya cationic yoroshya imyenda myiza, iyi emulsiyo ntishobora kurwanya amazi akomeye kandi ntishobora gukoreshwa na dimethylolyl hydroxyurea urea resin.

Nubwo hydroxyapatite ya cationic ari yoroshye cyane yimyenda, iyi emulsiyo ntishobora kurwanya amazi akomeye, kandi ntishobora gukoreshwa mubwogero bumwe hamwe na dimethoxylated hydroxyvinyl urea resin (2D) resin, catalizator magnesium chloride hamwe na anionic yera.Byongeye kandi, kubera umutekano muke wa emulsiyo, polymers ya silicone itandukana byoroshye na emulsiya hanyuma ikareremba hejuru y’amazi, bakunze kwita "amavuta yo guhumanya".Niba emulisiferi ya cationic na non-ionic ikoreshwa muri polymerisiyasi ya emulsiyo, ibitagenda neza bya emulisiferi ya cationic yo gutegura amavuta ya hydroxyl silicone amavuta arashobora gutsinda.Emulion ya silicone yateguwe irashobora kwihanganira amazi akomeye, kandi irashobora gukoreshwa mubwogero bumwe hamwe na 2D resin, magnesium chloride na agent yera VBL, kandi ifite imbaraga zo kurwanya ubushyuhe no kurwanya ubukonje.

4. amavuta ya hydroxyl silicone ya ionic

Amata ya hydroxy ya Nonionic afite imiterere ihindagurika kandi ihamye kuruta amata ya hydroxy yitaruye, kuburyo ibihugu byinshi byashyize ingufu mukwiga amata ya hydroxy nonionic.Kurugero, UltrateX FSA, igicuruzwa gishya cyakozwe mu Busuwisi, ni emulion itari ionic ifite uburemere bwa molekile burenga ibihumbi 200 n'umutwe wa hydroxyl wa methylsiloxane.Nintambwe igana imbere kuruta Dc-1111 anionic hydroxyapatite emulsion muri Amerika.

5. Organosilicon yo kurangiza hamwe nandi matsinda akora

Mu rwego rwo guhaza ibikenewe byose byo kurangiza neza imyenda yose, kunoza amavuta arwanya, anti-static na hydrophilique ya silicone irangiza imyenda, no gukora imyenda ya fibre fibre ifite ibyiza byinshi byimyenda karemano, abakozi ba silicone bize ubushakashatsi ku itangizwa. andi matsinda akora nka amino amino, amide groupe, ester group, cyano group, carboxyl group, epoxy group, nibindi. Kwinjiza aya matsinda bituma umukozi wo kurangiza imyenda ya organosilicon agira ingaruka zidasanzwe, kurugero, kwinjiza amine muri molekile ya organosilicon ikwiranye na preshrunk kandi yoroshye kurangiza ubwoya;kumenyekanisha itsinda rya amide birakwiriye kurangiza antifouling, kandi ubworoherane buratera imbere cyane: kwinjiza itsinda rya cyano birwanya amavuta meza, kandi ingaruka zo kurwanya static ya copolymer ya polyoxyethylene ether na organosilicon nibyiza;organofluorine yahinduwe organosilicon ifite amavuta.Kurwanya umwanda, kurwanya static, kurwanya amazi nibindi byiza byinshi.

Babiri.Amavuta ya silicone emulion defoamer.

Amavuta ya silicone emulion defoamer muri rusange ni amavuta mumazi (O / W), ni ukuvuga ko amazi ari icyiciro gikomeza, amavuta ya silicone nicyiciro kidahagarara.Irabanza kuvangwa namavuta ya silicone, emulisiferi hamwe nububyibushye, hanyuma ukongeramo buhoro buhoro amazi yo kuvanga, gusya inshuro nyinshi murusyo rwa colloid kugeza igihe emulisiyo yifuzwa ibonetse.

Amavuta ya Silicone emulsion defoamer nikintu gisebanya gikoreshwa cyane muri silicone defoamer.Irashobora gukoreshwa cyane nka defoamer muri sisitemu y'amazi.Iyo ikoreshejwe, emuliyoni irashobora kongerwaho muburyo bwa sisitemu yo kubira ifuro, kandi ingaruka nziza yo gusebanya irashobora kuboneka.Kugirango tunonosore ingaruka zangiza za emulsiyo hamwe nukuri kwipimwa, mubisanzwe ntabwo ikoreshwa muburyo burenze 10% byamavuta ya silicone yibitseho amavuta: icya mbere, ivangwa kugeza 10% cyangwa munsi yayo hamwe namazi akonje cyangwa igisubizo kiboneye.Taboo igomba kuvangwa n'amazi ashyushye cyangwa adakonje, bitabaye ibyo bizatera emulsiyo.Ihungabana rya emulsiyo rizarushaho kuba bibi nyuma yo kuyungurura, kandi ibintu (gutera amavuta) bishobora kugaragara muburyo bwo kubika, ni ukuvuga gusenya.Kubwibyo, emulisiyo ivanze igomba gukoreshwa vuba bishoboka.Nibiba ngombwa, umubyimba urashobora kongerwaho kugirango utezimbere emulisiyo.Kubikorwa byicyiciro, amavuta ya silicone emulsion irashobora kongerwaho haba mbere yuko sisitemu ikora cyangwa mubice.Kubikorwa bikomeza, amavuta ya silicone agomba kongerwaho ubudahwema cyangwa mugihe kimwe mubice bikwiye bya sisitemu.

Mu ikoreshwa rya emulsion defoamers, ubushyuhe na aside hamwe na alkaline imiterere ya sisitemu yo kubira ifuro igomba kwitabwaho.Kuberako amavuta ya silicone yamavuta aroroshye, emulisiyo yayo izasenywa hakiri kare, kandi izaba idakora neza cyangwa idakora.Ingano yamavuta ya silicone ni 10 kugeza 10Oppm yuburemere bwamazi abira (ukurikije metero yamavuta ya silicone).Nibyo, hariho na munsi ya 10 ppm na zirenga 100 ppm mubihe bidasanzwe.Igipimo gikwiye kigenwa cyane nubushakashatsi.

Mubisanzwe, amavuta ya silicone emulsion defoamer ni amavuta mumazi.Ukurikije ubwoko butandukanye bwamavuta ya silicone, amavuta ya silicone emulsion defoamer afite ubwoko bukurikira:

1. amavuta ya silicone amavuta ashingiye kumavuta abiri ya methyl silicone

Ubu bwoko bwa defoamer bugizwe namavuta ya dimethylsilicone, emulifier n'amazi.Irashobora gukoreshwa cyane muri fermentation, ibiryo, gukora impapuro, fibre, farumasi, resinike ya sintetike nibindi.

2. amavuta ya silicone emulsion ishingiye kumavuta ya methyl ethoxy silicone

Ubu bwoko bwa defoamer bukozwe mumavuta ya methyl ethoxy silicone hamwe nibikoresho byayo.

3. amavuta ya silicone emulsion ashingiye kumavuta ya Ethyl silicone

Mu myaka yashize, defoamer ya organosilicon iratera imbere igana kuri copolymerisation (cyangwa graft copolymerisation) ya organosilicon polyether.Ubu bwoko bwa defoamer bufite ibiranga organosilicon na polyether, bityo imbaraga zo gusebanya zitezimbere cyane;organosilicon polyether copolymer defoamer, izwi kandi kwizina rya emulizing organosilicon defoamer, numuyoboro wa hydrophilique etylene oxyde cyangwa Ethylene oxyde propylene oxyde ya enterineti (cyangwa graft) mumurongo wa molekile ya organosilicon, kuburyo igice cya hydrophobique siloxane gihujwe na hydrophilique polyether.Nka defoamer, molekile nkiyi ifite coefficient nini yo gukwirakwiza, irashobora gukwirakwira neza murwego rwo kubira ifuro, kandi ifite imikorere mibi ya defoamer.Nubwoko bushya bwa defoamer yo hejuru.Ingaruka ya emulisifike yo kwigana amavuta ya silicone idafite emulisiferi irashimishije rwose kuri sisitemu zimwe.Irakwiriye cyane cyane kubidakwiriye amavuta rusange ya silicone hamwe na emulisiyo rusange ya silicone.