Mhedzisiro yecellulose ether pakuita kwedhaka rinozvimisa

Iyo yekuzvimisa-leveling dhaka inogona kuvimba nehuremu hwayo kuti iite hwaro hwakatsetseka, hwakatsetseka uye hwakasimba pane substrate yekuisa kana kubatanidza zvimwe zvinhu, uye panguva imwechete inogona kuita yakakura uye inoshanda kuvaka. Naizvozvo, kunyungudika kwemvura chinhu chakakosha chedhaka rekuzvimisa. Uye zvakare, inofanirwa kunge iine kumwe kuchengetedza kwemvura uye simba rekubatanidza, isina kusarura kwemvura chiitiko, uye kuve nehunhu hwekudzivirira kupisa uye kuderera kwekushisa kukwira.

Kazhinji, dhaka rekuzvimisa rinoda mvura yakanaka, asi kunyunguduka kweiyo chaiyo simende paste kunowanzova 10-12cm chete; cellulose ether ndiyo inonyanya kuwedzera yedhaka yakagadzirira-yakasanganiswa, kunyange zvazvo mari yekuwedzera yakaderera zvikuru, inogona kuvandudza zvakanyanya kugadzirwa kweMortar, inogona kuvandudza kuwirirana, kushanda kwekushanda, kushanda kwekubatanidza uye kuchengetedza mvura kwedhaka. Inoita basa rinokosha zvikuru mumunda wedhaka rakagadzirwa rakagadzirwa.

1. Kufamba

Cellulose ether ine pesvedzero yakakosha pakuchengetedza mvura, kuenderana uye kuita kwekuvaka kweanozvigadzirisa dhaka. Kunyanya sedhaka rekuzvimisa-leveling, fluidity ndiyo imwe yezviratidzo zvikuru zvekuongorora kuzvidzora kuita. Pasi pemamiriro ekuvimbisa kuumbwa kwakajairika kwedhaka, iyo fluidity yedhaka inogona kugadziriswa nekushandura huwandu hwe cellulose ether. Zvisinei, kana muyero wacho wakanyanya kukwirira, kunyunguduka kwedhaka kuchaderedzwa, saka chiyero che cellulose ether chinofanira kudzorwa mukati mehutano hunonzwisisika.

2. Kuchengeta mvura

Kuchengetwa kwemvura kwedhaka indekisi yakakosha yekuyera kugadzikana kwezvikamu zvemukati zvezvichangobva kusanganiswa sement mortar. Kuti uite zvizere hydration reaction yeiyo gel zvinhu, inonzwisisika huwandu hweselulosi ether inogona kuchengetedza mwando mudhaka kwenguva yakareba. Kazhinji kutaura, mwero wekuchengetedza mvura weslurry unowedzera nekuwedzera kwe cellulose ether yemukati. Kuchengetedza kwemvura kweselulosi ether kunogona kudzivirira iyo substrate kuti isatore mvura yakawandisa nekukurumidza, uye inotadzisa kubuda kwemvura, kuitira kuti ive nechokwadi chekuti slurry nharaunda inopa mvura yakakwana yesamende hydration. Mukuwedzera, iyo viscosity ye cellulose ether inewo simba guru pakuchengetedza mvura kwedhaka. Iyo yakakwirira viscosity, zviri nani kuchengetedza mvura. Kazhinji, cellulose ether ine viscosity ye400mpa.s inonyanya kushandiswa mumatope ekuzvimisa, izvo zvinogona kuvandudza kushanda kwedhaka uye kuwedzera kuwirirana kwedhaka.

3. Kuisa nguva

Cellulose ether ine kumwe kudzoreredza mhedzisiro padhaka. Nekuwedzera kwemukati we cellulose ether, nguva yekugadzika yedhaka inowedzera. Kudzoreredza kuita kwe cellulose ether pachinamira chesimende kunonyanya kuenderana nehuwandu hwekutsiviwa kweboka realkyl, uye harina chekuita nehuremu hwaro hwemamorekuru. Iyo idiki dhigirii yealkyl inotsiva, iyo yakakura iyo hydroxyl yemukati, uye zvakanyanya kuoneka kudzoreredza maitiro. Uye iyo yakakwirira yemukati we cellulose ether, kunowedzera kujeka kunonoka kweiyo yakaoma firimu layer pane yekutanga hydration ye simenti, saka kudzoreredza mhedzisiro inova pachena zvakare.

4. Flexural simba uye kumanikidza simba

Kazhinji, simba nderimwe reakakosha ekuongorora indexes yekurapa mhedzisiro yesimende-yakavakirwa simende zvinhu pamusanganiswa. Kana zviri mukati me cellulose ether zvichiwedzera, iyo yekumanikidza simba uye flexural simba redhaka rinoderera.

5. Bond simba

Cellulose ether ine simba guru pakushanda kwekubatanidza kwedhaka. Cellulose ether inoumba firimu repolymer rine chisimbiso pakati pe simenti hydration particles mu liquid phase system, iyo inosimudzira mvura yakawanda mupolymer firimu kunze kwemasimende zvidimbu, izvo zvinoita kuti kuzara kwe hydration ye simenti, nokudaro kuvandudza Chisungo. kusimba kwepasta mushure mekuoma. Panguva imwecheteyo, huwandu hwakakodzera hweselulosi ether hunowedzera purasitiki uye kuchinjika kwedhaka, kunoderedza kuomarara kwenzvimbo yekuchinja pakati pedhaka uye substrate interface, uye inoderedza kugona kutsvedza pakati penzvimbo. Kusvika kumwero wakati, iyo yekubatanidza mhedzisiro pakati pedhaka uye substrate inowedzerwa. Uye zvakare, nekuda kwekuvapo kwe cellulose ether mune simende paste, yakakosha interface transition zone uye interface layer inoumbwa pakati pemateki evhu uye hydration chigadzirwa. Iyi interface layer inoita kuti iyo interface yekushandura zone iwedzere kuchinjika uye kushoma kuomarara, saka, kuitira kuti dhaka rive nesimba rakasimba rechisungo.