Cellulose ether is a synthetic polymer yakagadzirwa kubva kune yakasikwa cellerse 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 kwekuva kunyanya kwechimiro chemasangano cellulose, cellulose pachayo haina kugona kuita nevamiriri evaera. Nekudaro, mushure mekurapa kwekuzvimba kwekuzvimba, iyo yakasimba maHydrogen maketani uye ngetani dzinoparadzwa, uye kuburitswa kweiyo hydroxyl boka rinova alkali alkali alkalal. Tora cellulose ether.
Mukugadzirira musanganiswa mongwe, huwandu hwekuwedzera hwemaserfelose ether hwakanyanya kuderera, asi zvinogona kugadzirisa zvakanyanya kuita kwekunyorova kweruba, uye iko kunokanganisa kunokanganisa kuita kwekuvaka. Kusarudzwa zvine musoro kwe cellulose ana vana akasiyana siyana, zviyero zvakasiyana, madhigirii akasiyana emisangano uye akawedzera huwandu huchabatsira pakuvandudzwa kwekuita kweiyo yakaoma poda. Parizvino, zvakawanda masonry uye kupururudza motsi ane basa rekuchengetedza mvura, uye mvura slurry ichaparadzaniswa mushure memaminitsi mashoma ekumira.
Kuchengetwa kwemvura kukosha kwekuita methyl cellelose ether, uye zvakare chiitiko icho vazhinji vemugadziri veimba vanogadzira mauto, kunyanya avo vari munzvimbo dzekumaodzanyemba vane tembiricha dzakakwirira, teerera. Zvinhu zvinokonzeresa kudzokorora kwemvura kwekuomesesa musanganiswa musanganiswa unosanganisira huwandu hweMC yakawedzera, iyo viscosity ye mc, iyo yakajeka yezvikamu uye tembiricha yenzvimbo yekushandisa.
Zvivakwa zveCellulose anaTers vanovimba nerudzi rwevanhu, nhamba uye kugoverwa kwevatsidzike. Kugadziriswa kwe cellulose ana vana zvakare kunoenderana nerudzi rwevatsidzi, degree rekutsva, solubility uye zvinoenderana nekushandisa zvivakwa. Sekureva kwerudzi rwevatsidzi pane caomlecular cheni, inogona kugovaniswa muMonether uye yakasanganiswa ether. Iyo mc isu tinowanzo shandisa monoether, uye iyo HPMC yakasanganiswa ether. Methyll Cellulose ether MC ndiyo chigadzirwa mushure meiyo hydroxyl boka pane iyo glucose unit yemusikirwo cellucose cellxose inyatsonzi nzira. Iyo formault formula ndeye [coh7o2 (o) 3-h (och3) h] x. A part of the hydroxyl group on the unit is substituted by methoxy group, and the other part is replaced by hydroxypropyl group, the structural formula is [C6H7O2(OH)3-mn(OCH3)m[OCH2CH(OH)CH3] n] X ethyl methyl cellelose ether hemc, aya ndiwo akasiyana siyana anoshandiswa zvakanyanya uye kutengeswa mumusika.
Panyaya yekugadzirisa, inogona kukamurwa kuita ionic uye isiri-ionic. Mvura-yakashata isiri-ionic cellery ana ana ana ana inonyanya kuumbwa nenhevedzano maviri eAlkyl yeAlkyl uye hydroxielinkyl anaiters. Ionic cmc inonyanya kushandiswa mu synnthetic inodzika, machira ekudhinda uye kunyepa, chikafu uye kusaongorora kwemafuta. NON-IONIC MC, HPMC, HPMC, etc. Izvo zvinonyanya kushandiswa muzvivakwa zvekuvaka, mishonga yekuvakira, etc. Spect
Kuchengeta kwemvura kwe Cellulose Etetera: Mukugadzirwa kwezvinhu zvekuvakisa, kunyanya kuomeswa poda dowuru, kunyanya mukugadzirwa kweanokosha motsi (yakagadziridzwa muto), chinhu chakakosha uye chakakosha chinhu. Basa rakakosha remvura-soluble cellulose ether mune motsi kunyanya ane zvikamu zvitatu:
1. Yakanakisa mvura yekuchengeta
2. Chishandiso paMortar Kusarudzika uye Thiskotropy
3. Kudyidzana nechisimba.
Iyo yekuchengetwa kwemvura yemubatanidzwa ether inoenderana nemvura yekunyura kweiyo chigadziko cheshuwa, kuumbwa kweiyo dhudzi, iyo mvura yekudonha, uye nguva yekuisa yemvura. Kuchengetwa kwemvura kwemasero ether pachayo kunobva pane iyo solubility uye kushomeka kwemheremalose ether pachayo. Sezvo isu tese tinoziva, kunyangwe iyo cellulose molecular ine huwandu hukuru hwe hydratable hydratable yeHydratable yeHydratable Iko kugona kwehydration yeiyo hydroxyl mapoka chete hakuna kukwana kuvhara iyo yakasimba hydrogen zvisungo uye van der waals mauto pakati pemamorikisi. Naizvozvo, zvinongotsvaira asi hazvipfuuri mumvura. Kana iyo substituent ikasvitswa mumatehwe echinyakare Iyo yakakura iyo isiriyo, iyo yakakura chinhambwe pakati pemamorekuru. Kureba kwacho. Mhedzisiro yakakura yekuparadza maHydrogen zvisungo, iyo cellulose ether inova mvura-solulable mushure meCellulose LATTE uye mhinduro inopinda, inogadzira mhinduro yepamusoro-viscosity. Kana tembiricha ikasimuka, hydration yePolymer inopera simba, uye mvura pakati pemaketani inodzingwa. Kana iyo yekushomeka mhedzisiro yakaringana, mamorekuru anotanga kuunganidzwa, achigadzira matatu-matatu emhando network network gl uye akapetwa kunze.
Kutumira Nguva: Dec-06-2022