Cellulose etana rudzi rwemhando yeberekadzi polymer compounds nemakemikari yakagadziridzwa kubva kune yakasikwa cellulose. Ivo vanowanzoshandiswa muzvivakwa zvekuvaka, kunyanya muchikamu-chakavakirwa zvinhu. Simba reCellulose ether paCommenti hydration maitiro inonyanya kuratidzwa mune inotevera zvikamu
1. Nhanganyaya yekunyora hydration
Iyo hydration maitiro eiyo simende inoteedzana yeiyo yakaoma uye yemakemikari maitiro pakati pekement nemvura. Izvi zviitiko zvinokonzeresa simenti yekusaomesa zvishoma nezvishoma kuumba chimiro chakasimba, pakupedzisira kugadzira hydration zvigadzirwa senge calcium skrate (csh) uye calcium hydroxide (ch). Munguva iyi, iyo hydration yekuita kweiyo simende, iyo nzira uye nekuchengetwa kwemvura kweiyo slention, uye kuumbwa kwehydration zvigadzirwa zvakananga kukanganisa simba uye kusimba kweiyo kongiri yekupedzisira.
2. Maitiro ekuita kweCellulose ana
Cellulose ether inoitira basa rakakosha remuviri uye yemakemikari yekuzvidzora basa muiyo yeiyo hydration maitiro. Cellulose ether inonyanya kubata maitiro ehurongwa hwedenga nenzira mbiri: imwe ndeyekukanganisa kugovera nekubuda kwemvura muchisimbiso; imwe ndeyekukanganisa kupararira uye kuwanda kweiyo coment zvidimbu.
Kunyorova kudzora uye kuchengetwa kwemvura
Cellulose anaiters inogona kuvandudza zvakare mvura yekuchengeta kwemvura yeiyo coment-yakavakirwa zvinhu. Nekuda kweiyo yakasimba hydrophilikuti, cellulose ether inogona kuumba mhinduro yakagadzikana cooludal yemvura mumvura, iyo inogona kutora uye kuchengetedza kunyorova. Iyi yekuita mvura inobata yakanyanya kukosha mukuderedza marara yakakonzerwa nekukurumidza kurasikirwa kwemvura mukodhi panguva yekutanga hydration. Kunyanya munzvimbo dzakaoma kana nzvimbo dzakakwirira-turnicha
Rheology uye Kukakavara
Cellulose anaiters inogona zvakare kuvandudza rheology yemasimendi slurries. Mushure mekuwedzera cellulose ether, kubatana kwesimende slurry ichawedzera zvakanyanya. Ichi chiitiko chinonyanya kuzivikanwa kuchena refu chengetedzo chakaumbwa ne cellulose ether mamorekuru mumvura. Iyi marefu-maneja molecule inogona kurambidza kufamba kweiyo simenti zvidimbu, nekudaro achiwedzera vhiza uye nekuenderana kweiyo slurry. Ichi chivakwa chinonyanya kukosha mukushandisa zvakadai sekuparadza uye tile anomisheni, sezvazvinenge zvichidzivirira simende kubva pakuyerera nekukurumidza uku uchipa kuita kwekuvaka kuri nani.
Kunonoka hydration uye kugadzirisa nguva yekuisa nguva
Cellulose ether inogona kunonoka kuitwa kwehydration yeiyo simende uye kuwedzera yekutanga mamiriro uye yekupedzisira yekuisa nguva yeiyo simende slurry. Mhedzisiro iyi inoitika nekuti mamorekuru e cellulose ether inodhindwa pamusoro peiyo simende zvikamu, kugadzira chipinganidzo chinodzivirira kusvika pakati pemvura pakati pemvura uye simende zvimiti, nekudaro ichidzora hydration yekuita hydration. Nekunonoka kurongeka nguva, cellause etero inovandudza kuvaka kuvaka, kupa vashandi vekuvaka nguva yakawanda yekugadzirisa uye kugadzirisa.
3. Chishandiso pane fomu yeiyo yeiyo hydration zvigadzirwa
Kuvapo kwe cellulose ana vana vanokanganisawo microcenture yeiyo yeiyo hydration zvigadzirwa. Zvidzidzo zvakaratidza kuti morphology yemalcium siltey hydrate (csh) gel ichachinja mushure mekuwedzera cellulose ether. Cellulose ether mamorekuru anogona kukanganisa crystal chimiro cheCSH, ichiita kuti ive yakasununguka. Ichi chimiro chakasununguka chinogona kuderedza simba rekutanga kune imwe nhanho, asi zvinobatsirawo kuvandudza kuoma kwezvinhu izvi.
Cellulose etana inogona zvakare kudzora kuumbwa kweEttrcitite panguva yehydration maitiro. Sezvo cellulose ether anodzosera chiyero che hydration maitiro, huwandu hweEttringe mu simenti yakaderedzwa, nekudaro vachideredza kushushikana kwemukati kunokonzerwa nekuwedzera kwekuporesa panguva yekuporesa.
4. Mhedzisiro yekusimbisa simba
Cellulose ana ana anayo ane chekuita nekukanganiswa kwekusimudzira kwesimba kwezvinhu zvakasarudzika. Nekuti cellulose ether inodzosera iyo hydration mwero wesimendi, yekutanga simba rekusimudzira kwepasita kaseti kazhinji zvishoma zvishoma. Nekudaro, sezvo maitiro ekunyora anoenderera mberi, maitiro ekurovedza cellulose ether yekuchengetwa kwemvura uye hydration chigadzirwa morphology anogona zvishoma nezvishoma, izvo zvichabatsira kuvandudza simba mune imwe nhanho.
Izvo zvinofanirwa kucherechedzwa kuti iyo yakawedzerwa huwandu uye mhando yemheremellose ether ine mbiri yakaipa nesimba. Mari yakakodzera yeCellulose ether inogona kugadzirisa maitiro ekuvaka uye kuwedzera mushure mekushandiswa kwesimba, asi kunyanyisa kushandisa kunogona kukonzera kuderera kwesimba remasimende uye kukanganisa maitiro ekupedzisira. Naizvozvo, mune zvinoshanda zvinoshandiswa, mhando uye dosage yemasero ether inoda kugadzirwa uye yakagadzirwa zvinoenderana nezvaini yeinjiniya.
Cellulose ether inokanganisa maitiro ehurongwa uye zvivakwa zvezvivakwa nekuvandudza kuchengetwa kwemvura kwekuchengetwa kwemvura kwezvinhu zvemukati-zvakavakirwa, zvichikonzera iyo hydration chiyero, uye ichikanganisa chimiro che hydration zvigadzirwa. Kunyangwe ma cellucose anaitari zvinogona kukonzera kurasikirwa kwekutanga simba, vanogona kuvandudza kusimba uye kuomarara kwekongiri munguva refu. Kuwedzera kwe cellulose ether kunogonawo kugadzirisa zvakanyanya kushanda kwekuvaka kwekuvaka, kunyanya mukushandisa zviitiko zvekushandisa zvinoda nguva refu dzekushanda uye zvakapfuura zvinodiwa nemvura. Iyo ine zvisinga tsanangurike zvakanakira. Mune chaiyo mainjiniya ekushandisa, kusarudzwa zvine musoro kwerudzi uye dosage ye cellulose ether inogona kuyera simba rekusimba, rekuvaka kuita uye zvinodiwa zvekushandisa uye zvinodiwa zvekushandisa.
Kutumira Nguva: Sep-27-2024