Cellulose ether ine kumwe kudzoreredza mhedzisiro padhaka. Nekuwedzera kweyero ye cellulose ether, nguva yekugadzika yedhaka inowedzera. Kudzoreredza kuita kwe cellulose ether pachinamira chesimende kunonyanya kuenderana nehuwandu hwekutsiviwa kweboka realkyl, asi riine zvishoma zvekuita nehuremu hwaro hwemamorekuru.
Iyo idiki dhigirii yealkyl inotsiva, iyo yakakura iyo hydroxyl yemukati, uye zvakanyanya kuoneka kudzoreredza maitiro. Uye kukwirisa kwepimo ye cellulose ether, kunowedzera kuoneka kunonoka kweiyo yakaoma firimu layer pane yekutanga hydration ye simende, saka kudzoreredza mhedzisiro inova pachena zvakare.
Simba ndeimwe yeakakosha evaluation indexes yekurapa mhedzisiro yesimende-yakavakirwa simende zvinhu pamusanganiswa. Kana iyo dosi ye cellulose ether ichiwedzera, iyo yekumanikidza simba uye flexural simba redhaka rinoderera. Iko kusimba kwekubatanidza kwesamende dhaka yakasanganiswa ne cellulose ether inovandudzwa; Iko kushanduka uye kudzvinyirira simba resimende dhaka rakaderedzwa, uye yakakura iyo dosi, iyo yakaderera simba;
Mushure mekusanganisa hydroxypropyl methyl cellulose ether, nekuwedzera kweiyo dosage, iyo flexural simba resamende dhaka rinotanga rinowedzera uye rinodzikira, uye simba rekumanikidza rinodzikira zvishoma nezvishoma. Iyo yakakwana dosage inofanirwa kudzorwa pa 0.1%.
Cellulose ether ine simba guru pakushanda kwekubatanidza kwedhaka. Cellulose ether inoumba firimu repolymer rine chisimbiso chekuvhara pakati pe simenti hydration particles mu liquid phase system, iyo inosimudzira mvura yakawanda mufirimu yepolymer kunze kwezvikamu zvesimende, izvo zvinobatsira kumvura yakakwana ye simenti, nokudaro kuvandudza kusimba kwechisungo chepaste 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. Kune imwe nhanho, 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 interface yekushandura zone iwedzere kuchinjika uye kushomeka. Saka, inoita kuti dhaka rive nesimba rechisungo chakasimba.
Nguva yekutumira: Jun-02-2023