Cellulose ethers, zvakadaimethyl cellulose (MC),hydroxyethyl cellulose (HEC),hydroxypropyl methyl cellulose (HPMC),uyeCarboxymethyl cellulose (CMC), anoshandiswa zvakanyanya sezvinowedzera mumatope ekugadzira nekuda kwekugona kwavo kunoshamisa kuvandudza kushanda, kuchengetedza mvura, uye kunamatira. Izvi zvivakwa zvakakosha pakugadzira emhando yepamusoro anti-crack dhaka, plaster dhaka, uye masonry madhaka, imwe neimwe inoshanda zvakasiyana mukuvaka. Huwandu hwe cellulose ether inosanganisirwa mudhaka zvinoenderana neinodiwa kuita uye chaiyo yekushandisa kesi.
Tafura 1: Cellulose Ether Content in Various Mortars
| Rudzi rweMota | Primary Function | Cellulose Ether Content | Mhedzisiro yeCellulose Ether |
| Anti-Crack Motar | Inodzivirira kutsemuka nekuda kwekuderera kana kushushikana | 0.2% - 0.5% nekurema | Inowedzera kushanda, inowedzera kuchengetedza kwemvura, uye inovandudza kunamatira. Inoderedza kuputika panguva yekurapa. |
| Plaster Mortar | Inoshandiswa kuvhara madziro kana sirin'i | 0.3% - 0.8% nekurema | Inovandudza kusununguka kwekushandisa, inosimudzira kunamatira kune substrates, uye inowedzera yakavhurika nguva. |
| Masonry Mortar | Inoshandiswa kuisa zvidhinha kana matombo | 0.1% - 0.3% nekurema | Inowedzera kushanda, inodzivirira kusarura, uye inovandudza kubatana. |
1.Anti-Crack Motar:
Anti-crack mortar yakanyatsogadzirwa kuti ideredze kuumbwa kwekutsemuka panguva yekurapa uye kuomesa zvikamu zvedhaka. Kutsemuka uku kunogona kuitika nekuda kwezvinhu zvakaita se shrinkage, kuwedzera kwemafuta, kana kushushikana kwekunze. Cellulose ethers yakakosha pakudzivirira nyaya dzakadai nekuwedzera kuchinjika kwedhaka uye kuchengetedza mvura. Iyo yakajairwa cellulose ether zvemukati me anti-crack mortar inosiyana pakati pe0.2% kusvika 0.5% nehuremu.
Mabasa eCellulose Ether muAnti-Crack Motar:
Kuchengeta Mvura: Iyo cellulose ether inobatsira mukuchengetedza mvura mumusanganiswa wedhaka, iyo inononotsa nzira yekubuda kwemhepo uye inovimbisa kunonoka, kudzorwa kuporesa mwero. Izvi zvinoderedza mikana yekuputika kwepamusoro nekuda kwekukurumidza kuoma.
Kuvandudzwa Kwekushanda: Kuwedzerwa kwe cellulose ether kunovandudza kuwirirana kwedhaka, zvichiita kuti zvive nyore kuisa uye kupararira. Izvi zvinokonzera kupera kwepamusoro kwakatsetseka.
Crack Resistance: Nekugadzirisa rheological properties yedhaka, cellulose ethers inobatsira kune imwe homogeneous mix, kuderedza kuitika kwekuputsika kwekuputika panguva yekuoma kwechikamu.
Muchishandiso ichi, basa re cellulose ether harisi kungoshanda chete asiwo maumbirwo, zvichibatsira kusimbisa kusimba kwese uye hupenyu hurefu hwedhaka.
2.Plaster Mortar:
Plaster mortar inonyanya kushandiswa kufukidza nzvimbo dzakadai semadziro uye sirin'i. Yakagadzirirwa kupa kupera kwakatsetseka uye kugadzira nzvimbo yakasimba yekuwedzera kushongedza kana kudzivirira. Cellulose ethers anowanzo kuisirwa mudhaka repurasita mumari inotangira pa 0.3% kusvika 0.8% nehuremu, zvichienderana nezvinodiwa zvekushandisa.
Mabasa eCellulose Ether muPlaster Mortar:
Adhesion: Madhaka eplaster anoda yakasimba adhesion zvivakwa kuti ave nechokwadi chekuti akabatana nemazvo kune yakadzika substrate, ingave zvidhinha, kongiri, kana gypsum. Iyo cellulose ether inobatsira kusimbisa kubatana uku.
Kushanda: Kuwedzera cellulose ether kunowedzera dhaka repurasitiki, zvichiita kuti zvive nyore kushandisa zvakanaka. Inobatsira plasterers kuwana yakanaka, kunyange pamusoro pasina kukosha kwakasimba.
Open Time: Nguva yakavhurika kana nguva yekushanda ye plaster mortar inoreva nguva yakareba sei iyo dhaka inoramba ichishanda mushure mekunge yaiswa. Cellulose ethers inobatsira kuwedzera nguva yakazaruka, ichibvumira nguva yakawanda yekugadzirisa uye kutsetseka kwepamusoro isati yaoma.
Kuchengeta Mvura: Zvakafanana ne-anti-crack mortar, cellulose ether inobatsira mukuchengetedza mvura, iyo inobatsira muhutano hwakakodzera hwebinder, nokudaro inokurudzira kuumbwa kwekugara, yakasimba.
Kune plaster dhaka, cellulose ethers yakakosha kune zvese kuita uye kupedzisa mhando. Vanoona kuti dhaka rinoramba richishanda kwenguva yakareba, vachibatsira vanopurasita kushandisa zvinhu zvinobudirira, kunyangwe panzvimbo hombe.
3.Masonry Mortar:
Masonry dhaka rinoshandiswa kunyanya kusunga zvidhinha, matombo, kana mabhuroko pamwechete. Basa rayo nderekugadzira chisungo chakasimba, chakasimba chinovimbisa kusimba kwemaitiro emadziro uye zvimwe zvinhu zvemasonry. Cellulose ether content mu masonry mortar inowanzodzikira, kubva pa 0.1% kusvika 0.3% nehuremu, sezvo chinonyanya kunetsa mumagadzirirwo aya isimba uye kunamatira pane kushanda kana kuchengetedza mvura.
Mabasa eCellulose Ether muMasonry Mortar:
Kushanda: Nepo dhaka remasonry rakagadzirwa kuti rive rakasimba, rinodawo kushanda zvakakwana kuti rive nyore kushandisa, kunyanya pakukanda zvidhinha kana matombo. Cellulose ethers inovandudza kuyerera kwedhaka pasina kukanganisa simba rayo.
Kudzivirira Kuparadzana: Mukushandisa masonry, kunyanya neakaomesesa aggregates kana hukuru hukuru hukuru, kupatsanurwa (kuparadzaniswa kweakatsetseka zvidimbu kubva kune akaomesesa) inogona kuve nyaya. Cellulose ethers inobatsira kuchengetedza musanganiswa yunifomu, kuve nechokwadi chakaenderana kunaka uye kuita.
Kubatana uye Kunamatira: Kubatana kwakasimba kwakakosha kuti dhaka remasonry ribate zvikamu zvemasoni pamwechete. Cellulose ethers inobatsira mukupa kunamatira kunodiwa pasina kudiwa kwehuwandu hwemvura, izvo zvinogona kuderedza musanganiswa.
Shrinkage Resistance: Kunyange zvazvo zvisinganyanyi kukosha mumasonry mortar kupfuura mu-anti-crack formulations, cellulose ether ichiri kuita basa mukudzora shrinkage, kunyanya panguva yekurapa, iyo inogona kukanganisa simba uye kuvimbika kwemajoini emasonry.
Nepo iyo cellulose ether yemukati mudhaka remasonry yakadzikira pane mune mamwe madhaka, pesvedzero yayo pakushanda nekuita kwedhaka ichiri yakakosha. Iyo inovimbisa kuti dhaka rinoramba riri nyore kushandisa uchichengetedza inodiwa michina zvivakwa zvekubatana.
Cellulose ethersakakosha ekuwedzera mu-anti-crack, plaster, uye masonry dhaka, achitamba mabasa akakosha mukuvandudza kushanda, kuchengetwa kwemvura, kunamatira, uye kutsemuka kuramba. Iyo chaiyo yemukati ye cellulose ether inosiyana zvichienderana nerudzi rwedhaka uye nekushandiswa kwayo. Anti-crack mortars inowanzove nepamusoro-soro ye cellulose ethers (0.2% kusvika 0.5%) kuwedzera kushanduka uye kudzivirira kutsemuka. Mavhu epurasita anoda kuenzana kwekushanda uye kunamatira, ine cellulose ether zvinyorwa zvinowanzobva pa 0.3% kusvika 0.8%. Mumasonry madhaka, zvirimo zvinowanzodzikira (0.1% kusvika 0.3%) asi zvichiri kukosha pakushanda uye kuwirirana kwakafanana.
Sezvo mazinga ekuvaka achishanduka uye kudiwa kwekugara kwakasimba, kwepamusoro-kuita zvinhu zvinokura, basa rema cellulose ethers mumatope ekuvaka richaramba richikura, richipa mhinduro dzakasimba uye dzakasimba kumatambudziko akajairika akatarisana neindasitiri.
Nguva yekutumira: Feb-15-2025