Mune yakagadzirirwa-yakavhenganiswa madhiri yehydroxypropyl methyl cellyl cellyl cellyl cellyl cellyl cell Cellulose ana ana vana neakasiyana viscosity uye yakawedzera huwandu ine mhedzisiro yekuvandudza kwekuita kwemutengesi wakaoma. Parizvino, zvakawanda masonry uye malastering muridzi ane mauto ekuchengetedza mvura, uye kupatsanurwa kwemvura kunoitika mushure memaminitsi mashoma ekumira zvakadaro. Kuchengetwa kwemvura kukosha kwekuita methyl cellelose ether, uye zvakare kuita kuti vakawanda vagadziri vemotokari vakaoma, kunyanya avo vari munzvimbo dzakakwirira dzekumaodzanyemba, teerera. Izvo zvinhu zvinokonzeresa kudzokorora kwemvura kweiyo yakaoma motsi inosanganisira iyo huwandu hweHPMC yakawedzera, iyo visikopa yeHPMC, iyo yakajeka yezvikamu uye tembiricha yenzvimbo iyo inoshandiswa.
1. Pfungwa: Cellulose ether is a synthetic yakakwira molymer yakagadzirwa kubva kune yakasikwa cellulose kuburikidza nemakemikari kugadziridzwa. Cellulose ether ndiyo inobviswa kwemasikirwo cellulose. Iko kugadzirwa kwe cellulose ether kwakasiyana nePolythetic polymers. Yayo yakakosha zvinyorwa ndeye cellulose, iyo yakasikwa polymer yakaenzana. Nekuda kwechimiro chakakosha chezvakasikwa cellulose, cellulose pachayo hachina kugona kuita nekuzadzisa vamiririri. Asi mushure mekunge mumiririri wekuzvimba Mushure mekunge jekerera ertificificification inobata, iyo -Oo boka rinoshandurwa ku -or boka. Tora cellulose ether. Iyo chimiro che cellulose ether zvinoenderana nemhando, huwandu uye kugoverwa kwevatsidzike. Kugadziriswa kwe cellulose ana vana zvakare kunoenderana nemhando dzevakatsauka, iyo degree rekutsva, solubility uye zvinoshandiswa. Sekureva kwerudzi rwevatsidzi pane caomlecular cheni, inogona kugovaniswa muMonether uye yakasanganiswa ether. Iyo HPMC yatinowanzo shandisa yakasanganiswa ether. HydroxyPropyl methyl cellel cellulose ether chigadzirwa mune chikamu cheiyo hydroxyl boka pane iyo unit inotsiviwa nedunhu neChikamu chakatsiviwa neHydroxyPropropyl Boka. HPMC inonyanya kushandiswa muzvivakwa zvekuvaka, marara eLatex, mushonga, zuva nezuva chemabasa, etc.
2.Vachitwazve Kuchengeta Cellulose Ether: Mukugadzirwa kwezvinhu zvekuvakisa, kunyanya kuoma motokari, cellulose ether inoita basa risingaperi, kunyanya mukugadzirwa kwehunyanzvi (yakagadziridzwa moter), inogadziriswa. chikamu. Basa rakakosha remvura-soluble cellulose ether mumadongo ari kunyanya mune matatu matatu. Imwe ndeyekumusoro mvura yekuchengetwa kwemvura, imwe yacho ndiyo pesvedzero yekuenderana uye thisionotropy yemutya, uye yechitatu kudyidzana ne simenti. Iyo yekuchengetwa kwemvura yemu cellulose ether inoenderana nemvura yekubatira kweiyo chigadziko cheshuwa, kuumbwa kweguruva remufungo, iyo mvura yemvura, uye nguva yekudyara. Kuchengetwa kwemvura kwemaseru e cellulose gadziriso kunobva pane iyo solubility uye kushomeka kwemheremalover pachayo.
Iko kukwezva uye iyo thisiotropy ye cellulose ether: iyo yechipiri basa re Cellenose ether-cellmering of Cellermese ether, mhinduro yekusimbisa uye dzimwe tembiricha nemamwe mamiriro ezvinhu. Iyo gelation yezvimiro zvemhinduro zvakasarudzika zvivakwa zveAlkyl Cellelose uye zvakagadziridzwa zvaro. Hunhu hwegwenzi hune hukama nehuwandu hwekutsiva, mhinduro yekusimbisa uye yekuwedzera.
Iyo yakanaka mvura yekuchengetwa inokwanisa kuita simende hydration yakakwana, inogona kuvandudza kudzora kwemvura yemutya, wedzera kusanganisa simba remutya, uye nguva inogona kugadziriswa. Kuwedzerwa kwemaseru kukonzeresa kusekesa kwemuchina kusvetuka kunogona kuvandudza kuputika kana kupomerwa kuita kweiyo duri, pamwe nesimba remugadziri. Naizvozvo, cellulose ether iri kunyatsoshandiswa seyakakosha anowedzera mudhaka wakagadzirira.
Kutumira Nguva: Dec-16-2021