Mune yakaoma motokari, cellulose ether inoita basa rekuchengeta mvura, kuremerwa uye neiyo thikotropy, mweya-yekupindira uye kudzorera zvivakwa. Kuchengetwa kwemvura kwakanaka kunoita kuti skment hydration yakawanda, inogona kuvandudza viscosity yakanyorova, wedzera simba rekubatanidza, uye mune ceramic tile kuumbwa, inogona kuwedzera nguva yekuvhura uye kugadzirisa nguva. Kuwedzera cellulose ether kune manhamba ekupfira motsi anogona kuvandudza simba rerudzi rwehorari. Kuzvimirira kunogona kudzivirira kugadzirisa, kusarudzika uye kufungidzira, etc. saka, cellulose ether inoshandiswa zvakanyanya mune yakaoma powder dope serakakosha. Kuti urege kuzere kutamba kune kushandiswa kwemasekonzi ether mune yakaoma-yakavhenganiswa motokari, zvakare yakakosha kusarudza iyo mheremalose ether uye sarudza mashandisiro ayo.
1. Kuchengetwa kwemvura kwe cellulose ether
①Nzvimbo yepamusoro vhiza ye cellulose ether, zvirinani kudzokorora kwemvura, uye vhiza yePolymer. Zvichienderana neyekunyoreswa uremu (polymeration degree) yePolymer inotsanangurwa neketani yemanyorerwo uye chimiro cheketani, uye kugoverwa kwemhando uye huwandu hwevanhu vanozvidzora zvakananga zvevisikoka.
Kuwanda kwehuwandu hwe cellulose ether yakawedzerwa muduri, iko zvirinani kuchengetwa kwemvura, uye kumusoro kweiyo viscosity, zviri nani kudzokorora kwemvura.
Nezve size size, iyo yakanakisa iyo chidimbu, chiri nani kuchengetwa kwemvura. Mushure mekunge zvikamu zvizhinji zve cellulose ether kusvika mukubatana nemvura, pamusoro pazvo pakarepo kupinza uye kugadzira gel kuputira zvinyorwa kuti zvidzivirire mamaira emvura kubva mukupinda mumvura. Dzimwe nguva hazvigone kugadzikana pamwe nekunyungudutswa kunyangwe mushure menguva refu kusimudzira, kuumba makore ekuwedzera furccucleent solution kana kuunganidzwa. Zvinokuvadza zvakanyanya kuganhurirwa kwemvura kwe cellulose ether, uye solubility chimwe chezvinhu zvekusarudza cellulose ether.
2. Kukakavara uye iyo thisiotropy ye cellulose ether
Basa repiri reCellulose ether - Kukora zvinoenderana ne: Dhigirii rePolymerization yeCellulose Ether, Solution Convertation, Shear Kukura, Tembiricha Nemamwe Mamwe Marudzi uye Zvimwe Tembiricha Nemamwe Mamwe Marudzi uye Zvimwe Tembiricha Nemamwe Mamwe Marudzi uye Mamwe Mamiriro neMamwe Marudzi uye Mamwe Mamiriro neMamwe Marudzi uye Mamwe Mamiriro neMimwe Mamwe Mamiriro neMamwe Mamiriro neMamwe Mamwe Mamiriro neMamwe Mamwe Mamiriro neMamwe Mamiriro Nezve Mamwe Marudzi. Iyo gelling midziyo yemhinduro yakasarudzika kuAlkyl cellelose uye yakagadziridzwa ayo yakagadziriswa. Iyo gelation zvivakwa zvine chekuita neyero yekutsiva, mhinduro yekusimbisa uye yekuwedzera. Kune hydroxylkyllk yakagadziridzwa inobva YEMAHARA uye HPMC ine yakaderera viscosity, 10% -15% Solitration Solution inogona kuve yakagadzirirwa yepamusoro viscosity Yakakwira molecular uremu cellulose ether ine yakanyanya kuremerwa kuita. Mumhinduro yakafanana, polymers ine huremu hwakasiyana hwemanyorerwe ane zvisizvo zvevakasiyana visikoka. Yakakwirira degree. Iyo target viscosity inogona chete kuwanikwa nekuwedzera huwandu hwakawanda hwehuwandu hwakareba hwemanyorerwe ecelose ether. Viscosity yayo ine zvishoma kutsamira pajecha ratehwe, uye iyo yepamusoro viscosity inosvika pakuvatisa viscosity, uye iyo inodiwa yekuwedzera huwandu idiki, uye iyo viscosity zvinoenderana nekubudirira kwekubudirira. Naizvozvo, kuti uwane kumwe kusimba, imwe huwandu hwe cellulose ether (kusunganidzwa kwemhinduro) uye mhinduro viscosity inofanira kuvimbiswa. Iyo tembiricha yemhedzisiro yemhindurowo zvakare inoderedza mutsara nekuwedzera kwekusangana kwemhinduro, uye geles pamhepo tembiricha mushure mekusvika pane imwe pfungwa. Iyo gelling yekuvhara yeHPMC yakakwira pakamuri tembiricha.
Kuenderana kunogona zvakare kuchinjirwa nekusarudza sizeji saizi uye kusarudza cellulose ana ana madhigirii akasiyana ekugadziridzwa. Iyo inonzi inonzi shanduko ndeye kuunza iyo hydroxylkyl group neimwe dhigiri rekutsiva pane skeleton chimiro cheMC. Nekushandura kukosha kwenhamba yekutsiva kwevanhu vaviri vanopfuura, ndiko kuti, iyo DS kuenderana nekutsiva kweiyo nzira uye hydroxylkyl mapoka atinowanzo taura. Yakasiyana-siyana yekuita zvinodiwa zve cellulose ether inogona kuwanikwa nekuchinja huwandu hwekutsiva kwehuwandu hwevanhu vaviri vevatsidzi.
Kuwedzerwa kwe cellulose ether inokanganisa mvura yemvura uye inoshandura iyo mvura-yemvura-simende chiyero, inova tsika yakakura. Iyo yakakwira dosage, iyo yakakura mvura yekudhirowa.
Cellulose ana ana anomererwa mune zvigadzirwa zvekuvakisa zvekuvakisa zvinofanirwa kunyungudutsira nekukurumidza mumvura inotonhora uye upe mukana wakakodzera wegadziriro yehurongwa. Kana ikapihwa imwe shear rate, ichiri kuyerera uye collidal block, iyo iri substandard kana isina kunaka mhando chigadzirwa.
Kune zvakare hukama hwakanaka hwemutsara pakati pehukama hweSEENT SAME uye DOSAGE YEMAHARA ECERULose EHER. Cellulose ether inogona kuwedzera kwazvo vhiza yemota. Iyo yakakura dosi, zvakanyatsonaka mhedzisiro.
Yakakwira-viscosity cellulose ether mhinduro yemvura ine yakakwira thixotropy, iyo zvakare hombe hunhu hwe cellulose ether. Mhedzisiro yemvura yeMC-mhando Polymers kazhinji ine pseudoplastics uye isina-thixotropic fluidity pazasi pavo stepturity tembiricha, Pseudoplasticality inowedzera neyekuwedzera uremu kana kusunganidzwa kwemheremelle ether, zvisinei nerudzi rwetsiva uye degree rekutsiva. Naizvozvo, mheremalose etana emagrosity gracosity giredhi, hpmc, hemc, inogara ichiratidza zvimwe zvinhu zvechitsidzo kwenguva yakareba sekusangana uye tembiricha inogara ichichengetwa nguva dzose. Matura emhando ikagadzirwa kana tembiricha yamutswa, uye zvakanyanya thisiotropic inoyerera inoitika. Yakanyanya kuderera uye yakaderera viscosity cellulose ana anairatidzira thixotropy kunyangwe pazasi pegomba tembiricha. Ichi chivakwa chinobatsira zvikuru kugadzirisa kwekuwedzera uye kusekerera mukuvakwa kwekuvaka moter. Zvinoda kutsanangurwa pano iyo yakakwira viscosity ye cellulose ether, iko zviri nani kuchengetwa kwemvura, asi iyo inoenderana nehukama hwemaCellulose ether, uye inoenderana nekukanganiswa kwayo, iyo ine yakaipa kukonzeresa kusimba kwemotokari uye kuita kwekuvaka. Yakakwira iyo viscosity, iyo iri pachena iyo inoshamisa mhedzisiro pane dhaka, asi haina kuenzana. Vamwe vepakati uye vakaderera viscosity, asi iyo yakagadziridzwa cellulose ether ine zvirinani kuita mukuvandudza simba rerudzi rwerudzi rwemvura. Nekuwedzera kweViscosity, kuchengetwa kwemvura kwemasero ether kunovandudza.
Kutumira Nguva: Mar-14-2023