Muri Mortar ivanze, yiyongereyeho ubumwe bwa selile ni hasi cyane, ariko birashobora kunoza cyane imikorere minisiteri itose, kandi nimwe yongeyeho cyane igira ingaruka kumikorere yubwubatsi ya minisiteri. Guhitamo neza abakora selile batandukanye, inzara zitandukanye, ingano zitandukanye, impamyabumenyi zitandukanye zongerwa no kongera ingaruka nziza mugutezimbere ifu yumuntu wumubiri wa minisiteri yumye. Kugeza ubu, Masonry na PlasYING Milling mirisiteri bafite imikorere yubukereya y'amazi, kandi amazi ya slurry azatandukana nyuma yiminota mike yo guhagarara.
Kugumana amazi ni imikorere yingenzi ya methylselile ether, kandi ni imikorere myinshi yo mu rugo yumye-ivanga abakora umuryango wa minisiteri, cyane cyane abo mu turere two mu majyepfo n'ubushyuhe bwo hejuru, bamwiteho. Ibintu bireba ingaruka zogumana amazi yo kumeza minisiteri harimo ingano ya MC yongeyeho, virusi ya MC, ubushyuhe bwibice hamwe nubushyuhe bwo gukoresha ibidukikije.
Ubudodo bwa Cellulose ni polymer ya sishort yakozwe muri selile karemano binyuze mumiti. Uburenganzira bwa Cellulose ni ukomoka kuri selile kamere. Umusaruro wa selile utandukanye na synthetic polymetike. Ibikoresho byayo byibanze ni selile, urujijo rwa polymer. Kubera ubwinshi bwa selile isanzwe, selile ubwayo nta bushobozi afite bwo kwitwara hamwe nabakozi bahorera. Ariko, nyuma yo kuvurwa umukozi kubyimba, iminyururu ikomeye hagati yiminyururu irambitse kandi iminyururu irasenyutse, kandi irekurwa ryitsinda rya hydroxyl rihinduka selile igenda ihita ihinduka alkali. Shaka selile.
Imitungo ya ELOVES ZA TELUEPE YITANIRA Ubwoko, umubare no gukwirakwiza abasimbuye. Icyiciro cya elerale ya selile nacyo gishingiye kubwoko bw'abasimbuye, urwego rwo guhinduranya, kwikebana no kubijyanye no gusaba ibintu. Ukurikije ubwoko bwabasimbuye kumurongo wa molekile, irashobora kugabanywamo monoether kandi ivanze ether. MC Mubisanzwe ikoreshwa ni Monoether, na HPMC ivanze ether. Methyl selile ether mc nibicuruzwa nyuma yitsinda rya hydroxyl kuri glucose ishami rya selile karemano ryasimbuwe na Methoxy. Igice cyitsinda rya hydroxyl kumurongo usimburwa nubuntu itsinda, hanyuma ikindi gice gisimburwa nitsinda rya hydroxyPropyl. Ethyl Methyl Methyl Methc Etherc, ubu ni bwo buryo bukomeye bukoreshwa cyane kandi bugurishwa ku isoko.
Kubijyanye no kwikengurwa, birashobora kugabanywamo ionic kandi ntabwo ari ionic. Amazi akennye kandi aionic ellic selver yagizwe ahanini na alkyl everst na hydroxyalky. Ionic CMC ikoreshwa cyane cyane mububiko bwa sintetike, gucapa imyenda no gusiga irangi, ibiryo n'ibikoresho bya peteroli. Not-ionic MC, HPMC, HPMC, nibindi bikorwa cyane cyane mubikoresho byubwubatsi.
Kugumana amazi ya selile: Mu gukora ibikoresho byo kubaka, cyane cyane Ether yumye, ubumwe bwa selile bigira uruhare rudasanzwe, cyane cyane mu gukora minisiteri idasanzwe (ni ikintu cyingenzi kandi cyingenzi kandi cyingenzi kandi cyingenzi kandi cyingenzi. Uruhare rwingenzi rwo gukemura amazi ether muri minisiteri ifite ibintu bitatu, kimwe ni ubushobozi buhebuje bwo kugumana amazi, ikindi ni ingaruka kuri minisiteri, naho iya gatatu ni imikoranire na sima. Ingaruka yo kugumana amazi ya selile biterwa no kwinjiza amazi shingiro, imiterere ya minisiteri, ubunini bwa minisiteri ya minisiteri, amazi ya minisiteri, hamwe namazi yo gushiraho ibikoresho. Kugumana amazi ya selile ubwayo biva mubikewe no kubura ubumuga ubwabwo. Nkuko twese tubizi, nubwo urunigi rwa selile rurimo umubare munini wibiryo bya HYDDRATION CYANE, ntabwo bishonga mumazi, kuko imiterere ya selile ifite urwego rwo hejuru rwa kirisiti. Ubushobozi bwa hydration bwamatsinda ya hydroxyl yonyine ntabwo bihagije kugirango dushobore gupfukirana ibihangano bya hydrogen na van der ibitambo biri hagati ya molekile. Kubwibyo, byarabyimbye gusa ariko ntibishonga mumazi. Iyo umusimbuye yatangijwe mumurongo wa molekile, ntabwo asimburwa gusa yangiza urunigi rwa hydrogène, ariko kandi akanagira isuku hydrogène yarasenyutse kubera gushyirwaho umusingi wubatswe hagati yiminyururu yegeranye. Kinini usimbuye, intera nini hagati ya molekile. Intera nini. Ingaruka nini yo gusenya amazu ya hydrogen, ether ether ihinduka amazi nyuma ya kanseri ya selile yaguye hamwe nigisubizo cyinjira, gikora igisubizo kinini. Iyo ubushyuhe buzamutse, hydration ya polymer iragabanya, kandi amazi hagati yiminyururu yirukanwe. Iyo ingaruka zivomera zihagije, molekile zitangira gukusanya, gukora imiyoboro itatu yimiyoboro itatu gel kandi igakuyemo.
Ibintu bireba kugumana amazi birimo ubuswa bwa selile ether, amafaranga yongeweho, ibyiza by'ibice n'ubushyuhe.
Ikomeye ya virusi ya selile ether, imikorere yo kugumana amazi. Viscosity nigipimo cyingenzi cya mc imikorere. Kugeza ubu, abakora ba MC batandukanye bakoresha uburyo n'ibikoresho bitandukanye kugirango bapime vicosity ya MC. Uburyo nyamukuru ni guhosha Rotovisko, hoppler, Ubublohde na Brookfield. Kubicuruzwa bimwe, ibisubizo bya viscosity byapimwe nuburyo butandukanye buratandukanye cyane, ndetse bamwe ndetse banatandukanije kabiri. Kubwibyo, mugihe ugereranya vicosi, bigomba gukorwa hagati yuburyo bumwe bwikizamini, harimo ubushyuhe, rotor, nibindi.
Muri rusange, hejuru cyane viscosiya, ingaruka nziza zo kugumana amazi. Ariko, hejurus viscosiya hamwe nuburemere bwa molekile ya MC, kugabanuka bihuye nibyokundwa bizagira ingaruka mbi ku mbaraga nubwubatsi bwa minisiteri. Hejuru ya virusire, uko byanze bikunze ingaruka kuri minisiteri, ariko ntabwo bigereranyije neza. Isumbuye viscosiya, ni ko bimeze cyane, ni ukuvuga mu gihe cyo kubaka, bigaragarira nko kwizirika ku gishushanyo no gushushanya cyane. Ariko ntabwo ari byiza kongera imbaraga zuburyo bwa minisiteri itose. Mugihe cyo kubaka, imikorere yo kurwanya sag iragaragara. Ibinyuranye nibyo, bamwe mu rubyiruko no hasi ariko bahinduwe Methyl bahanganye na Methyl bafite imikorere myiza mugutezimbere imbaraga zubuntu bwa minisiteri itose.
Umubare munini wa selile wongeyeho kuri minisiteri, imikorere yo kugumana amazi, niziba ndende, imikorere yo kugumana amazi.
Kubunini buranga, ibice byiza, ibyiza byo kugumana amazi. Nyuma yimiterere minini ya selile ihura namazi, ubuso ako kanya irashonga kandi ikora gel kugirango ireke ibikoresho kugirango wirinde molekile zikomeza kugenda. Rimwe na rimwe ntibishobora gutatana kimwe no gushonga ndetse na nyuma yigihe kirekire, gukora igisubizo cya flocculent cyangwa agglomeration. Bigiraho ingaruka cyane kugumana amazi ya selile, kandi kwikebana ni kimwe mubintu byo guhitamo kuri selile ether. Ibyiza nabyo ni urutonde rwingenzi rwimikorere ya methyl selile. MC ikoreshwa mu myambaro yumye isabwa kuba ifu, hamwe namazi make, kandi igorofa nayo isaba 20% ~ 60% yubunini butari munsi ya 63um. Ibyiza bigira ingaruka ku kuntu gukemuka methyl selile. Ubusanzwe mc mubisanzwe ni granular, kandi biroroshye gusezererwa mumazi adahuye, ariko igipimo cyo gusebanya kiratinda cyane, bityo ntibikwiriye gukoreshwa muri minisiteri yumye. Mu myanda yumye, MC ikwirakwizwa mu bikoresho byo kubumya nko gukusanya, iyungurura neza na sima ihagije irashobora kwirinda methyl selile iyo kuvanga n'amazi. Iyo MC yongeweho amazi yo gushonga agglomerates, biragoye cyane gutatana no gushonga. Ubukonje buhebuje bwa MC ntabwo busesagura gusa, ahubwo bigabanya imbaraga zaho za minisiteri. Iyo ifu yumuntu wumye ikoreshwa mu gace kanini, umuvuduko urega wa minisiteri yumye yaho azagabanuka cyane, kandi imirongo izagaragara cyane, kandi imirongo izagaragara kubera ibihe bitandukanye bikiza. Kuri minisiteri yateye hamwe nububiko bwa mashini, icyifuzo cyo kunezeza kiri hejuru kubera igihe gito cyo kuvanga.
Ibyiza bya MC nabyo bigira ingaruka runaka kumazi. Muri rusange, kuri methyl selile ya eleralese hamwe nisura imwe ariko ni byiza bitandukanye, mumafaranga yinyongera, umunyamahane mwiza cyane ingaruka zo kugumana amazi.
Kugumana amazi ya MC nabyo bifitanye isano n'ubushyuhe bwakoreshejwe, kandi kugumana amazi ya methyl selile bigabanuka hamwe no kwiyongera k'ubushyuhe. Ariko, muburyo bufatika bwa porogaramu, ifu yumye ikunze gukoreshwa kubushyuhe bushyushye ku bushyuhe bwo hejuru (hejuru ya dogere 40) mu mpera z'izuba mu mpeshyi no kunisha Ifu yumye minisiteri. Kugabanuka kw'igipimo cyo kugumana amazi biganisha ku byiyumvo bigaragara ko gukora imirimo no kurwanya ibihano bigira ingaruka, kandi birakomeye cyane kugirango bigabanye ingaruka z'ubushyuhe muri iyi miterere. Nubwo Methyl HydroxyAythyl Celluloseithy Ether Obsport ifatwa nkimbere yiterambere ryikoranabuhanga, kwishingikiriza ku iterambere ryikoranabuhanga, bishingikirije ku bushyuhe buzakomeza gucika intege imikorere yifu yumye. Nubwo ingano ya methyl hydroxyyethyl selile yiyongereye (formulaire yimpeshyi), ibikorwa no kurwanya ibikorwa biracyashobora kuzuza ibikenewe. Binyuze muburyo bumwe bwihariye kuri MC, nko kongera urwego rworoshye, nibindi, ingaruka zo kugumana amazi zirashobora kuguma ku bushyuhe bwo hejuru, kugirango rishobore gutanga imikorere myiza mubihe bibi.
Byongeye kandi, kubyimba no kuri thixotropi ya selile: imikorere ya kabiri ya selile - ubwinshi bwa poly ya selile, umuvuduko wa selile, kwibanda kumuti, ubushyuhe nibindi. Umutungo wa dolling wigisubizo urihariye kuri alkyl selile nibikomokaho byahinduwe. Umutungo wa pelelation ufitanye isano nurwego rwo gusimbuza, kwibanda ku gisubizo ndetse nongeyeho. Kuri hydroxyalkyl yahinduye ibikomokaho, imitungo ya gel nayo ifitanye isano nurwego rwo guhindura hydroxyalkyl. Kuri virusike nke MC na HPMC, 10% -15% Ibisubizo birashobora gutegurwa, visosity viscosity MC na HPMC birashobora gutegurwa 5% -10% Igisubizo, mugihe sycosity MC naHpmcirashobora gutegura gusa 2% -3% gusa, kandi mubisanzwe ibyiciro bya selile nabyo byatanzwe na 1% -2% Igisubizo. Uburemere bwo hejuru bwa kalliolose ether bifite imikorere minini. Mu gisubizo kimwe cyo kwibanda, polymers hamwe nuburemere butandukanye bwa molekale bifite ubushishozi butandukanye. Impamyabumenyi. Intego ya Intego irashobora kugerwaho gusa yongeramo umubare munini wa molecular uburemere bwa selile. Uburakari bwayo ntibushingiye gato ku gipimo cy'inkomoko, kandi ubushyuhe bwinshi bugera ku ntego, kandi umubare w'inyongera w'inyongera ni muto, kandi viscometity biterwa n'ububasha bwo gukora neza. Kubwibyo, kugirango ugere ku buryo buhuje, umubare munini wa selile (kwibanda ku gisubizo) no gukemura vicosity bigomba kwemezwa. Ubushyuhe bwa Gel bugabanuka kandi buragabanuka kumurongo hamwe no kwibanda kubisubizo, na gels kubushyuhe bwicyumba nyuma yo kugera kubitekerezo runaka. Umugati wa Slling wa HPMC ni muremure mu bushyuhe bwicyumba.
Guhoraho birashobora kandi guhindurwa muguhitamo ingano no gutoranya abakoresha selile ufite impamyabumenyi zitandukanye zo guhindura. Ibibyitwa bifatika ni ukumenyekanisha urwego runaka rwo gusimbuza amatsinda ya hydroxykyl kumiterere ya Skeleton ya MC. Muguhindura indangagaciro zisumbuye zabasimbuye ebyiri, ni ukuvuga DS na MS basimbuye indangagaciro za plassion yuburyo na hydroxyalkyl dukunze kuvuga. Ibisabwa bitandukanye byimikorere ya selile birashobora kuboneka muguhindura indangagaciro ugereranije zabasimbuye bombi.
Isano iri hagati yo guhuza no guhindura: hiyongereyeho ubumwe bwa selile bigira ingaruka kumazi yo gukoresha amazi, guhinduranya amazi asunika amazi na sima ni ingaruka zibyimbye, hejuru ya dosage, niko gukoresha amazi.
Abashiraho selile bakoresha mu bikoresho by'ifu bigomba gushonga vuba mu mazi akonje kandi bagatanga ubukana bukwiye kuri sisitemu. Niba uhabwa igipimo runaka, biracyahinduka flocculent na colloidal block, nikintu kidasibanganye cyangwa ibicuruzwa byiza.
Hariho kandi umubano mwiza hagati yicyaha cya sima Paste hamwe na dosage ya selile. Uburenganzira bwa Cellulose burashobora kongera ubukwe bwa minisiteri. Ingano nini, biragaragara ko ingaruka. Ubudozi Bukuru bwa Cellulose Ether Igisubizo gifite thixotropy yo hejuru, nikindi kiranga esheri. Ibisubizo bitangaje bya MC Polymes mubisanzwe bifite amazi ya pseudopplastique hamwe nuturere munsi yubushyuhe bwabo bwa gel, ariko imitungo ya Newtonian kumashanyarazi make. Pseudoplastity yiyongera hamwe nuburemere bwa molekile cyangwa kwibanda kuri selile ether, utitaye kubwoko bwasimbuwe nurwego rwo gusimbuza. Kubwibyo, ectlese of the Centre of Stalcosity Umwanya umwe, ntakibazo MC, HPMC, HPMC, izahora yerekana imiterere imwe yimiterere mugihe cyose ibitekerezo nubushyuhe bikomeza guhora. Abashitsi bcyuma bashizweho mugihe ubushyuhe bwazamutse, kandi thixotropic cyane ibaho. Kwibanda cyane hamwe na virusike nkeya evercose erekana thixotropie no munsi yubushyuhe bwa gel. Uyu mutungo ufite inyungu nini kugirango uhindure urwego no kunyeganyega mukubaka minisiteri. Ikeneye gusobanurwa hano ko hejuru ya vino ya selile, ni byiza ko agumana amazi, ariko hejuru yuburemere bwa selile, hamwe no kugabanuka kwa moleki, hamwe no kugabanuka kwayo, bigira ingaruka mbi kuri minisiteri yo kwibanda hamwe n'imikorere y'ubwubatsi. Hejuru ya virusire, niko hagaragaye ingaruka mbi kuri minisiteri, ariko ntabwo bigereranywa rwose. Bamwe mu bakomeye kandi bake cyane, ariko filime yahinduwe Ethesi ifite imikorere myiza mugutezimbere imbaraga zubuntu bwa minisiteri itose. Hamwe no kwiyongera kwumva, kugumana amazi ya ether elit.
Ihamagarwa rya selile Ether: Igikorwa cya gatatu cya selile nugutinya inzira yo gukumira sima. Cellulose Ether Ingaruka ya Millilose ifite imitungo itandukanye, kandi igabanya kandi ubushyuhe bwambere bwa sima no gutinza inzira ishishikaje hyhanamike ya sima. Ibi ntibishoboka gukoresha minisiteri mu turere dukonje. Ingaruka yo kuturwanya iterwa no kwamamaza selile ether molekile kubicuruzwa bya hydkiles nka Csh na Ca (OH) 2. Bitewe no kwiyongera muri viscosiya igisubizo cya pore, Ether yatuje bigabanya kugenda kwa ion mubisubizo, bityo bidindiza inzira ya HyDration. Isumbabyose kwibanda kuri selile ether mubintu bya gelne, niko byagaragaye ko ingaruka za hydration itinda. Ubumuga bwa Cellulose ntabwo bidindiza gusa, ahubwo nanone gutinda inzira igoye ya sima ya sima. Ingaruka zidindiza za selile ether ntiziterwa gusa na sisitemu ya gel ya generval, ariko nanone kumiterere yimiti. Urwego rwo hejuru rwa methylatiya ya hemc, ibyiza ingaruka zidindiza ya selile. Ikigereranyo cyo gusimbuza hydrophilique ku gusimbuza amazi-kongera gusimbuza ingaruka zidindiza birakomeye. Ariko, viscosiya ryakariro ether nta ngaruka nkeya kuri sima hydration hydration kinetics.
Hamwe no kwiyongera kwa selile ibirimo, igihe cyo gutegura kiyongera cyane. Hano hari isano nziza idahwitse hagati yigihe cyagenwe cya minisiteri nibikubiye muri selile, hamwe numurongo mwiza hagati yo gushinga rya nyuma nigihe cya selile. Turashobora kugenzura igihe cyibikorwa bya minisiteri duhindura ingano ya selile.
Muri make, mugutega iyi minisiteri yiteguye,selile etherDufite uruhare mu kugumana amazi, kubyimba, gutinza sima hydration imbaraga, no kunoza imikorere yubwubatsi. Ubushobozi bwiza bwo kugumana Amazi butuma sima yamamaza burangiye, birashobora kunoza viso itose k'umuryango utose, ongera imbaraga za minisiteri itose, kandi uhindure igihe. Ongeraho selile ether kuri minisiteri itera minisiteri irashobora kunoza ubushake cyangwa kuvoma imikorere n'imiterere yimiterere ya minisiteri. Kubwibyo, ether ether irakoreshwa cyane nkibyingenzi muri minisiteri yiteguye.
Kohereza Igihe: APR-28-2024