Putty uye plaster zvinhu zvakakurumbira zvinoshandiswa zvakanyanya muindasitiri yekuvaka.Izvo zvakakosha pakugadzira madziro uye sirin'i yekupenda, kuvhara makatsemuka, kugadzirisa nzvimbo dzakakuvadzwa, uye kugadzira yakatsetseka, kunyange nzvimbo.Iwo anoumbwa neakasiyana masanganiswa anosanganisira simende, jecha, lime uye zvimwe zvinowedzera kuti zvipe zvinodiwa kuita uye maitiro.Methylhydroxyethylcellulose (MHEC) chimwe chezvakakosha zvekuwedzera zvinoshandiswa mukugadzirwa kweputty uye plaster poda.Inoshandiswa kuvandudza zvimiro zvehupfu, kuwedzera maitiro avo ekushanda uye kugadzirisa mashandisirwo avo.
Mabhenefiti ekushandisa MHEC kugadzira putty uye gypsum poda
MHEC inotorwa kubva ku cellulose uye inogadzirwa kuburikidza nemakemikari ekuchinja maitiro.Iyo musanganiswa wemvura inonyungudika inoshandiswa zvakanyanya seyakakora, stabilizer uye emulsifier muindasitiri yekuvaka.Kana yawedzerwa kune putty uye gypsum powders, MHEC inopfeka zvimedu, ichipa chidziviriro chekudzivirira chinovadzivirira kubva pakugumburwa nekugadzirisa.Izvi zvinogadzira musanganiswa wakawanda, unowirirana uri nyore kushanda nawo uye unopa kupera kuri nani.
Imwe yemabhenefiti makuru ekushandisa MHEC mune putties uye plasters ndeyekuti inosimudzira yavo-yekuchengetedza mvura zvivakwa.MHEC inotora uye inochengeta hunyoro, kuve nechokwadi kuti musanganiswa unoramba uchishandiswa uye hauoma nekukasira.Izvi zvinonyanya kukosha munzvimbo dzinopisa uye dzakaoma apo musanganiswa unokurumidza kuva usingashandisi, zvichiita kuti pave nekuguma.
MHEC zvakare inovandudza kushanda uye nguva yekushanda ye putties uye plasters.MHEC inoita kuti kusanganisa uye kushandisa musanganiswa kuve nyore nekuchengetedza hunyoro uye kudzivirira musanganiswa kubva pakuoma.Pamusoro pezvo, mheche yakatsetseka, bhotoro magadzirirwo anobvumira putty uye stucco kupararira zvakaenzana pamusoro pepamusoro pasina kusiya mapundu kana clumps, kuve nechokwadi chisina chikanganiso, chakanaka kupera.
Pamusoro pekusimudzira magadzirirwo uye kushanda kwe putties uye plasters, MHEC inogona zvakare kuvandudza yavo yekubatanidza zvivakwa.Nekugadzira chidziviriro chakatenderedza zvimedu, MHEC inova nechokwadi chekuti vanobatana zvirinani kune pamusoro pavari kurapa.Izvi zvinoita kuti pave nenzvimbo yakasimba, yakasimba, isinganyanyi kutsemuka, kutsemuka kana kusvuura nekufamba kwenguva.
Imwe bhenefiti yakakosha yekushandisa MHEC mune putty uye plaster ndeyokuti inowedzera kuramba kwavo kumhepo uye unyoro.Izvi zvinoreva kuti kana putty kana stucco ikaiswa, inoramba kukuvadzwa kubva kumhepo uye unyoro, kuve nechokwadi chekuti nzvimbo yacho inoramba yakasimba uye yakanaka kwenguva refu.
Kugadzirisa Putty uye Gypsum Kuita Uchishandisa MHEC
Kuti uwedzere kushanda kweputty uye plaster poda, zvakakosha kuve nechokwadi chekuti MHEC inoshandiswa muchiyero chakakodzera.Izvi zvinoreva kuti kushandisa huwandu chaihwo hweMHEC hunogona kuwana kuita kwaunoda uye hunhu hweiyo putty kana stucco iri kugadzirwa.
Zvinhu zvakatipoteredza zvinogona kukanganisa kushanda kweputty uye gypsum powder zvinofanira kufungwa.Semuenzaniso, munzvimbo dzinopisa uye dzakaoma, MHEC yakawanda inogona kuwedzerwa kuti ive nechokwadi chokuti musanganiswa unoramba uchishanda uye uchienderana.
Izvo zvakakosha kuve nechokwadi chekuti putty kana stucco inoshandiswa nemazvo kuti iwedzere kuita kwayo.Izvi zvinoreva kutevera mirairo yemugadziri nemazvo uye kuve nechokwadi kuti musanganiswa wakanyatso kusanganiswa usati washandiswa.Pamusoro pezvo, maturusi akasarudzika anogona kudikanwa kuti ave nechokwadi chekuti putty kana stucco inoshandiswa zvakaenzana uye nguva dzose kune pamusoro iri kurapwa.
MHEC chinhu chakakosha chekuwedzera chinoshandiswa mukugadzira putty uye plaster poda.Inosimudzira zvimiro uye zvimiro zvezvinhu izvi, kuvandudza mashandiro avo, kuchengetedza mvura, kunamatira uye kuramba kumhepo uye unyoro.Izvi zvinoguma nekuwedzera kunoenderana, kusimba uye kutaridzika kupedzisa kusinganyanyi kutsemuka, chip kana kusvuura nekufamba kwenguva.Kuti uwedzere kushanda kweputty uye gypsum powder, zvakakosha kuve nechokwadi kuti chiyero chakarurama cheMHEC chinoshandiswa, tichifunga nezvezvakatipoteredza zvinogona kukanganisa kushanda kwavo.Pamusoro pezvo, zvakakosha kuisa iyo putty kana stucco nenzira kwayo kuti uwedzere kuita kwayo uye uwane mhedzisiro yaunoda.
HEMC inoshandiswa mukugadzira simende kuvandudza zvivakwa zvayo Hydroxyethyl methylcellulose (HEMC) ikemikari inoshandiswa zvakanyanya muindasitiri yekuvaka.Ndiko kubatana pakati pekushanda, kuchengetwa kwemvura, thixotropy, etc. Mazuva ano, rudzi rutsva rwe cellulose ether iri kugamuchira zvakanyanya uye zvakanyanya.Chii chakwezva kutarisisa zvakanyanya ndeye hydroxyethyl methylcellulose (MHEC).
Chimwe chezvinhu zvinonyanya kukosha zvinotarisa kunaka kwezvigadzirwa zvesimende ndiko kushanda kwemusanganiswa.Ndizvo zviri nyore simende kusanganisa, kuumba uye kuisa.Kuti izvi zviitike, musanganiswa wesimende unofanirwa kunge uri mvura yakakwana yekudurura uye kuyerera zviri nyore, asi inofanirawo kuve yakasvibira zvakakwana kubata chimiro chayo.MHEC inogona kuwana ichi chivakwa nekuwedzera viscosity yesimende, nekudaro ichivandudza kushanda kwayo.
MHEC inogonawo kumhanyisa hydration ye simenti uye kuvandudza simba rayo.Simba rekupedzisira resimende rinoenderana nehuwandu hwemvura inoshandiswa kuisanganisa.Mvura yakawandisa inoderedza simba resimende, nepo mvura shoma ichaita kuti zviome kwazvo kushanda nayo.MHEC inobatsira kuchengetedza imwe huwandu hwemvura, nokudaro kuve nechokwadi chemvura yakakwana ye simenti uye nekusimudzira kuumbwa kwezvisungo zvakasimba pakati pemasimiti.
MHEC inobatsira kuderedza kuwanda kwekutsemuka kwesimende.Sezvo simiti inoporesa, musanganiswa unoderera, izvo zvinogona kutungamirira pakuumbwa kwekuputika kana shrinkage isingadzorwi.MHEC inodzivirira shrinkage iyi nekuchengetedza huwandu hwakakodzera hwemvura mumusanganiswa, nokudaro kudzivirira simenti kubva pakuputika.
MHEC inoshandawo sefirimu inodzivirira pamusoro pesimende, ichidzivirira mvura kubva pamhepo.Iyi firimu inobatsirawo kuchengetedza hunyoro hwekutanga hwesimende, zvichiwedzera kuderedza mukana wekutsemuka.
MHEC yakanakira nharaunda.Kutanga, iyo biodegradable, zvinoreva kuti hairambe iri munzvimbo kwenguva refu.Chechipiri, inogona kubatsira kuderedza huwandu hwesimende inodiwa muzvirongwa zvekuvaka.Izvi zvinodaro nekuti MHEC inowedzera kushanda uye viscosity yesimende, ichideredza kudiwa kwekuwedzera kwemvura iyo inongoderedza musanganiswa wesimende.
Kushandiswa kweMHEC musimende kunopa zvakati wandei zvakanakira uye kunogona kuita mupiro wakakura kuindasitiri yekuvaka.Iyo inosimudzira kushanda kweiyo simenti musanganiswa, inoderedza kuwanda kwekutsemuka kwakaumbwa panguva yekurapa, inosimudzira simenti hydration uye simba, uye inoita senge inodzivirira firimu pane sement pamusoro.Pamusoro pezvo, MHEC yakanakira nharaunda.Naizvozvo, MHEC chigadzirwa chakakosha cheindasitiri yekuvaka sezvo ichivandudza kunaka kwesimende uye inopa mabhenefiti kuvashandi uye nharaunda.
Nguva yekutumira: Oct-18-2023