Dry mortar chinhu chekuvaka chine jecha, simende nezvimwe zvinowedzerwa. Chinoshandiswa kubatanidza zvidhinha, mabhuroko nezvimwe zvinhu zvekuvaka kugadzira zvivakwa. Zvisinei, dry mortar haisi nyore nguva dzose kushanda nayo sezvo inowanzo rasikirwa nemvura uye inooma nekukurumidza. Cellulose ethers, kunyanya hydroxypropylmethylcellulose (HPMC) uye methylhydroxyethylcellulose (MHEC), dzimwe nguva inowedzerwa dry mortar kuti ivandudze hunhu hwayo hwekuchengetedza mvura. Chinangwa chechinyorwa chino ndechekuongorora mabhenefiti ekushandisa cellulose ether mudry mortar uye kuti ingavandudza sei kunaka kwekuvaka.
Kuchengetwa kwemvura:
Kuchengetwa kwemvura kunoita basa guru mumhando yedhaka rakaoma. Kuchengetedza hunyoro hwakakodzera kwakakosha kuti dhaka rigare zvakanaka uye rive nechisungo chakasimba pakati pezvinhu zvekuvaka. Zvisinei, dhaka rakaoma rinorasikirwa nehunyoro nekukurumidza, kunyanya mumamiriro ekupisa, akaoma, izvo zvinoita kuti dhaka rive risina kunaka. Kugadzirisa dambudziko iri, dzimwe nguva cellulose ethers inowedzerwa kudhaka rakaoma kuti ivandudze hunhu hwaro hwekuchengetedza mvura.
Cellulose ethers mapolymer anobva ku cellulose, fiber yechisikigo inowanikwa mumiti. HPMC neMHEC mhando mbiri dze cellulose ethers dzinowanzo wedzerwa kumamortar akaoma kuti dzivandudze kuchengetedza mvura. Dzinoshanda nekugadzira chinhu chakaita segel kana chasanganiswa nemvura, izvo zvinobatsira kunonoka kwekuomesa kwemortar.
Mabhenefiti ekushandisa cellulose ether mudhaka rakaoma:
Kune mabhenefiti akawanda ekushandisa cellulose ethers mudry mortar, anosanganisira:
1. Kuvandudza kushanda: Cellulose ether inogona kuvandudza kushanda kwedhaka rakaoma nekuderedza kuomarara kwaro uye kuwedzera ngura yaro. Izvi zvinoita kuti zvive nyore kuisa dhaka pachinhu chekuvaka kuti ripedzise zvakanaka.
2. Kudzikira kwekutsemuka: Dry mortar inogona kutsemuka kana yaoma nekukurumidza, zvichiita kuti simba rayo risashande zvakanaka. Nekuwedzera cellulose ether mumusanganiswa, dymor dryer inooma zvishoma nezvishoma, zvichideredza njodzi yekutsemuka uye kuwedzera simba rayo.
3. Kuwedzera simba rekubatanidza: Kubatana kwedhaka rakaoma nezvinhu zvekuvaka kwakakosha pakushanda kwaro. Cellulose ethers inowedzera kuchengetedza mvura kwedhaka, izvo zvinowedzera simba rekubatanidza kwaro, zvichikonzera hukama hwakasimba uye hunogara kwenguva refu.
4. Kuvandudza kugara kwenguva refu: Cellulose ether inogona kuwedzera kugara kwenguva refu kwedhaka rakaoma nekuderedza huwandu hwemvura inorasika panguva yekuomeswa. Nekuchengetedza mvura yakawanda, dhaka harizonyanyi kutsemuka kana kuputsika, zvichiita kuti chivakwa chigare kwenguva refu.
Dry mortar chinhu chakakosha pakuvaka. Zvisinei, hunhu hwayo hwekuchengetedza mvura hunogona kuoma kubata, zvichikonzera dhaka remhando isina kunaka. Kuwedzera cellulose ethers, kunyanya HPMC neMHEC, kune dry mortar kunogona kuvandudza mashandiro ayo ekuchengetedza mvura, zvichikonzera chigadzirwa chemhando yepamusoro. Mabhenefiti ekushandisa cellulose ethers mumadry mortars anosanganisira kushanda zvakanaka, kupwanyika kushoma, kusimba kwekubatana uye kugara kwenguva refu. Nekushandisa cellulose ethers mumadry mortar, vavaki vanogona kuona kuti zvivakwa zvavo zvakasimba, zvinogara kwenguva refu uye zvinoyevedza.
Nguva yekutumira: Nyamavhuvhu-18-2023