Simende-yakavakirwa tile inonamatira ndiyo hurukuro yakakura kwazvo yeiyo iripo inokosha yakaoma-yakasanganiswa dhiri. Iwo mhando yeiyo organic kana inorganic admixture ine simende seyakanyanya cementing zvinyorwa uye zvinowedzerwa nekukwira kuunganidzwa, kumiririra mumiririri, wekutanga mumiriri uye latex poda. musanganiswa. Kazhinji, zvinongoda kusanganiswa nemvura. Kuenzaniswa neyakajairwa simende, kunogona kunatsiridza zvakanyanya kusimba pakati pekusatarisana nezvinhu uye substrate, ine nzvimbo yakanaka yekudzivirira uye ine simba rakanakisa uye rinopesana nekushomeka. Izvo zvinoshandiswawo pakushongedza kwemukati uye kunze kwemadziro emadziro, pasi mataira uye zvimwe zvekushongedza zvinhu. Inoshandiswa zvakanyanya mukushongedza kwemukati uye yekunze madziro, pasi, yekugezera, kitchens, etc. "ndiyo inonyanya kushandiswa tsizi. Kubatira zvinhu.
Kazhinji, kana tichitonga mashandiro eiyo tiles inonamatira, isu tinofanirwa kutarisisa kune yayo yekumanikidza simba uye nguva yekuvhura mukuwedzera pakubata kwayo uye kugona-kweanoti. Pamusoro pekukanganisa zvivakwa zvePorcelain Rubber, sekusanzwisisika kwekushanda, mamiriro okumusoro banga, ether.
1. Vhura nguva
RiniDzokorora polymer podauyecellulose etherCoexist mune yakanyorova motsi, mamwe maitiro ehudhudho anoratidza kuti iyo rabha yerabha yekinetic yeKinetic yakabatanidzwa kuHydration Chigadzirwa, uye Cellulose Ether inowedzera muFluid Fluid, iyo inokanganisa zvimwe. Iyo viscosity uye yekugara nguva yedhaka. Iko kushushikana kwepasi kweiyo cellulose ether yakakura kupfuura iyo yeiyo yerabha yebhuruu, uye nekuwedzera kwesoculose exterfuce inobatsira kuumba chibvumirano pakati pebhokisi uye cellulose ether.
Mumvura yakanyorova, mvura iri mudumbu inopararira, iyo cellulose ether inofumiswa pamusoro pechiso, uye firimu inoumbwa pamusoro pemaminetsi mashanu, iyo inoderedza chiyero chinotevera chechibereko, sezvo mvura yakawanda yakakwenenzverwa kubva ku dhaka. Chikamu chekutama kuenda kuFlinner Layer denderedzwa, kuvhurwa kwekutanga kweMetrane kwakanyungudika chikamu, uye kutama kwemvura kuchaunza zvimwe cellulose ether kune pamusoro pomutumbi.
Iyo firimu kugadzirwa kwe cellulose ether pamusoro peguruva ine pesvedzero huru pakuita kweiyo moter.
Kutanga, iyo firimu rakaumbwa rakatetepa, richanyungudutswa kaviri, haikwanise kudzikisira mvura yemvura, kuderedza simba.
Chechipiri, iyo Firimu rakaumbwa rakanyanya kukwikwuka, kusunganidzwa kwemherekukweretesa ether mumvura ine moterttitial fluid yakakwira, uye visikopa yakakura. Kana tile yadhindwa, hazvisi nyore kuputsa iyo firimu.
Kubva pane izvi, zvinonzwisiswa kuti iyo firimu inoumba zvivakwa zve cellulose ether ine pesvedzero yakakura pane iyo nguva yekutanga. Mhando ye cellulose ether (hpmc,Hemc, Mc, nezvimwewo) uye degree rekutsiva (degree rekutsiva) zvakananga zvinokonzeresa mafirimu ekugadzira ma cellulose ether, uye kuomarara uye kuomarara kwefirimu.
2, Simba
Pamusoro pekupa mari dzakasiyana siyana dzinobatsira dzakatsanangurwa pamusoro penharu, iyo cellulose ther inotora hydration kinetics yeiyo simende. Kudzoka uku kunonyanya kukonzerwa neyemusangano weCellulose ether Molecules pane dzakasiyana-siyana dzemizara sytslues inonyanya kushambidzwa pamvura yakadai seCSH uye calcium hydroxide. Pane chigadzirwa chemakemikari, hazviwanzo kushambadzira pane yekutanga mineral chikamu chechiriniki. Mukuwedzera, nekuda kwekuwedzera kwekusimbisa kwemhinduro, iyo cellulose ether inoderedza kusimuka kweIN (CA2 +, ...) mumhinduro pemoyo, nekudaro kunonoka maitiro ehyration.
Viscosity imwe yeparamende yakakosha iyo inomiririra midziyo yemakemikari e cellulose ana. Sezvataurwa pamusoro apa, viscosity inonyanya kubata mukana wekuchengetwa kwemvura uye zvakare zvine hunhu hwakakosha pakubata kweiyo nyowani nyowani. Nekudaro, zvidzidzo zvekuyedza zvakawana kuti viscosity yemasero e cellulose ether ine kanenge isina mhedzisiro pane hydration kinetics yeSt Iyo molecular uremu hurefu husina kunaka pa hydration, uye musiyano mukuru pakati pehuremu hwakasiyana hwemanyorero anongova 10 min. Naizvozvo, suremu hwemolecular haisi kiyi paramende yekudzora coment hydration.
"Kushandiswa kweCellulose Eteter muComent-based Dry Zvigadzirwa" inotaura zvakajeka kuti kudzoserwa kwe cellulose ether zvinoenderana nemakemikari. Iyo general Trend ipfupikiso ndeye iyo yeMHEC, yakakwira iyo degree re methylation, zvidiki kudzoreredzwa kwemheremalose ether. Mukuwedzera, hydrophic substitutions (sekutsiva kune his) inodzvinyirira pane hydrophobic kutsiviwa (sekutsiva kuna mh, mhec, mhpic). Iko kudzoreredzwa kwemhedzisiro ye cellulose ether kunonyanya kukanganiswa nemaresera maviri emhando uye huwandu hweboka rakatsakatika.
Kuedza kwedu kwesistimu yedu kwakawanawo kuti zvirimo zvevatsime zvinoda basa rakakosha musimba rekusimbirira kweiyo tiles inonamatira. Takaongorora mashandiro eHPMC aine madhigirii akasiyana ekutsiva mumhepo inonamatira, uye akaedza cellolose ether vaviri vaviri nemapoka akasiyana ekurapa akasiyana. Simba rezvemakaniki etsika dzeTile adesive, nhamba 2 uye nhamba 3 ndiyo mhedzisiro yekuchinja (DS) zvirimo pane inodhonzwa
Mufananidzo 2
Mufananidzo 3
Muedzo, tinofungaHydroxypruppyl methyl cellulose (HPMC), iyo iri yakaoma ether. Naizvozvo, tinofanira kuisa manhamba maviri pamwechete. For hpmc, isu tinoda kuwanikwa kuti tive nechokwadi chekunyura kwemvura uye kuiswa kwechiedza. Isu tinoziva zvirimo zvevatsime. Izvo zvakare zvinosarudza tembiricha yeHPMC, iyo inosarudza nharaunda iyo HPMC inoshandiswa. Naizvozvo, zviri mukati meiyo inowanzoshandiswa HPMC zvakare yakave yakavezwa mune renji. Maitiro Ekubatanidza Nzira uye HydroxyPropoxoxoxs mapoka mune iyi huwandu kuti uwane mhedzisiro yakanakisa ndizvo zvatinodzidza. Mufananidzo 2 unoratidza kuti mukati meimwe renji, kuwedzera kwenzira yezvinyorwa kuchaunza maitiro ekutsikisa kwesimba, nepo hydroxpropopopopopopopoxxic ichawedzera uye kushomeka kwesimba kuchawedzera. Kwevavhurika, pane zvimwe zvinoitika.
Kutumira Nguva: Dec-18-2018