Imwe yemisiyano mikuru pakati pedry mortar nedry travel ndeyekuti dry mortar inogadziriswa nemakemikari mashoma. Kuwedzera imwe mhando yekuwedzera kune dry mortar kunonzi primary modification, kuwedzera maviri kana kupfuura additives kuchinjika kwechipiri. Hunhu hwedry mortar hunoenderana nekusarudzwa kwakakodzera kwezvikamu uye kubatana uye kuenderana kwezvikamu zvakasiyana. Zvinowedzerwa zvemakemikari zvinodhura uye zvine simba guru pahunhu hwedry mortar. Saka, mukusarudza zvinowedzerwa, huwandu hwezvinowedzerwa hunofanira kunge huri pakutanga. Inotevera ipfupiso yekusarudzwa kwemakemikari additives cellulose ether.
Cellulose ether inozivikanwawo serheological modifier rudzi rwemusanganiswa unoshandiswa kugadzirisa hunhu hwerheological hwemortar itsva yakasanganiswa, inenge ichishandiswa mumhando dzese dzemortar. Hunhu hunotevera hunofanirwa kutariswa pakusarudza mhando uye huwandu hwakawedzerwa:
(1) Kuchengetwa kwemvura pakupisa kwakasiyana;
(2) kukora, kusimba;
(3) Hukama huripo pakati pekuenderana nekupisa, uye simba rekuchinjana kwesimba kana paine electrolyte;
(4) chimiro uye mwero we etherification;
(5) kuvandudzwa kwethixotropy uye kugona kwekuisa dhaka panzvimbo yaro (izvo zvinodiwa kuti dhaka rifukidzwe pamusoro wakamira);
(6) Mwero wekuputsika, mamiriro uye kukwana kwekuputsika.
Pamusoro pekuwedzera cellulose ether mudry mortar (senge methyl cellulose ether), inogonawo kuwedzera vinyl polyvinyl acid ester, kureva kuti, secondary modification. Inorganic binder mudry mortar (simende, gypsum) inogona kuvimbisa simba rekumanikidza rakawanda, asi haina simba guru pakusimba kwekusimba uye kukotama. Vinyl polyvinyl ester inovaka elastic film mugomba rematombo esimende, kugadzira dhaka kunogona kutakura mutoro wakanyanya wekukanganisika, kuvandudza kusakara. Zvakaratidzwa nemaitiro kuti nekuwedzera huwandu hwakasiyana hwemethyl cellulose ether uye vinyl polyvinyl ester mudry mortar, thin layer coating plate bonding mortar, plastering mortar, decoration plastering mortar, aerated concrete block masonry mortar uye self-leveling mortar ye pouring floor inogona kugadzirwa. Kusanganisa zviviri izvi hakungogadzirise mhando yedhaka chete, asiwo kunovandudza zvakanyanya kushanda kwekuvaka.
Mukushanda kwayo, kuti ivandudze kushanda kwayo kwakakwana, zvakakosha kushandisa zvinhu zvakawanda zvinosanganiswa. Kuenzanisa kwakanakisa pakati pehuwandu hwekuwedzera, huwandu hwakakodzera hwemuyero, chiyero, kunogona kubva pazvinhu zvakasiyana-siyana kuva nemigumisiro yekuvandudza mashandiro emota, asi mhedzisiro yayo yekugadzirisa mota kana ikashandiswa yoga ishoma, dzimwe nguva inotova nemigumisiro yakaipa, senge single doped fiber, mukuwedzera kunamira kwemota, kuderedza mwero wekupatsanurwa panguva imwe chete. Zvisinei, kushandiswa kwemvura kwemota kunowedzera zvakanyanya uye kunochengetwa muslurry, izvo zvinotungamira kudzikira kwesimba rekumanikidza. Kana mhepo inodzidzisa yawedzerwa, dhigirii rekubvisa mota uye kushandiswa kwemvura zvinogona kuderedzwa zvakanyanya, asi simba rekumanikidza remota richadzikira nekuda kwemabubbles akawanda. Vandudza dhaka remasonry kuti rishande zvakanaka, uku uchidzivirira kukuvadza chimwe chinhu, kusimba kwedhaka remasonry, mwero wekupatsanurwa kwemhando yepamusoro uye kusangana nezvinodiwa zveinjiniya nemitemo yehunyanzvi, panguva imwe chete, usashandise lime putty, kuchengetedza simende, kuchengetedzwa kwezvakatipoteredza, nezvimwewo, kubva pakuderedza mvura, viscosity, kusimba kwemvura uye air-entraining plasticizing maonero, Zvakakosha kutora matanho akazara ekugadzira nekushandisa compound admixtures.
Nguva yekutumira: Kubvumbi-29-2022