Upfu hweLatex—Vandudza kugadzikana uye kutsvedza kwesystem mumamiriro ekusanganisa akanyorova. Nekuda kwehunhu hwepolymer, kubatana kwechinhu chinosanganisa chakanyorova kunovandudzwa zvikuru, izvo zvinobatsira zvikuru pakushanda; mushure mekuoma, zvinoita kuti inamire kune yakatsetseka uye yakakora pamusoro. Relay, vandudza mhedzisiro yejecha, matombo, uye maburi. Pasi pepfungwa yekuona huwandu hwekuwedzera, inogona kuwedzerwa kuita firimu panzvimbo inopindirana, kuitira kuti tile adhesive ive nekuchinjika kwakati, inoderedza elastic modulus, uye inonwisa kushushikana kwekushanduka kwekupisa zvakanyanya. Kana ikanyudzwa mumvura muchikamu chekupedzisira, pachava nekumanikidzwa kwakadai sekudzivisa mvura, tembiricha yebuffer, uye kusagadzikana kwekushanduka kwezvinhu (tile deformation coefficient 6×10-6/℃, cement concrete deformation coefficient 10×10-6/℃), uye inovandudza kuramba kwemamiriro ekunze. Hydroxypropyl Methyl Cellulose HPMC—Inopa kuchengetedza mvura kwakanaka uye kugona kushanda kwemortar nyowani, kunyanya kunzvimbo yakanyorova. Kuti mvura irambe ichiyerera zvakanaka, inogona kudzivirira kuti mvura isanyungudike zvakanyanya uye kuti pamusoro pevhu pasatsve. Nekuda kwesimba rayo rekupinda mumhepo (1900g/L—-1400g/LPO400 jecha 600HPMC2), kuwanda kwetiles adhesive kunodzikira, zvichichengetedza zvinhu uye zvichideredza elastic modulus yesimbi yakaoma.
Upfu hweLatex hunonamira neTile hunonyungudika, hune hushamwari kune zvakatipoteredza, hunochengetedza simba rekuvaka, hune mhando yepamusoro yezvigadzirwa zvakawanda, uye chinhu chakakosha uye chinoshanda pakugadzira dhaka rakasanganiswa rakaoma. Rinogona kuvandudza mashandiro edhaka, kuwedzera simba redhaka, kuwedzera simba rekubatanidza pakati pedhaka nezvikamu zvakasiyana-siyana, kuvandudza kuchinjika uye kushanda, simba rekumanikidza, simba reflexural, kuramba kupfeka, kusimba, uye viscosity yedhaka. Kugona kudzoreredza uye kuchengetedza mvura, kugona kuvaka. Kushanda kwedhaka rinonamira neTile rinonyungudika neTile rine kugona kukuru kwekubatanidza uye hunhu hwakasiyana. Saka, huwandu hwaro hwekushandiswa hwakakura zvikuru. Basa rehydroxypropyl methylcellulose rinoita basa rekuchengetedza mvura, kukora uye kushanda kwekuvaka pakutanga, uye upfu hweLatex hunonyungudika neTile hunonamira hunoita basa resimba padanho rekupedzisira, iro rinoita basa rakanaka mukusimba, acid uye alkali resistance yepurojekiti. Mhedzisiro yetiles adhesive redispersible latex powder pamortar itsva: kuwedzera nguva yekushanda uye kugadzirisa nguva yekuvandudza mashandiro ekuchengetedza mvura, kuitira kuti simende ive nemvura uye kuvandudza sag resistance (special modified rabber powder) uye kuvandudza kushanda kwayo (zviri nyore kushandisa Substrate inogadzira yepamusoro, iri nyore kudzvanya mataira muartar) basa remortar yakaoma rine kunamira kwakanaka kune substrates dzakasiyana-siyana, kusanganisira kongiri, plaster, huni, mataira ekare, PVC kunyangwe mumamiriro ekunze akasiyana-siyana, ine kugona kwakanaka kwekuchinja.
Kuwedzerwa kweupfu hwelatex hunonyungudika hwema tile adhesives kune mhedzisiro yakajeka pakuvandudza mashandiro ema tile adhesives akavakirwa pa simende, uye kune mhedzisiro yakakura pakusimba kwe bonding, kuramba mvura, uye kuramba kukwegura kwe glue. Parizvino, kune mhando dzakawanda dzema latex powder anonyungudika emataira ari pamusika, akadai se acrylic redispersible latex powders, styrene-acrylic powders, vinyl acetate-ethylene copolymers, nezvimwewo. Kazhinji, ma tile adhesives anoshandiswa muma tile adhesives ari pamusika. Mazhinji ma tile adhesives adhesives i vinyl acetate-ethylene copolymers.
(1) Sezvo huwandu hwesimende huchiwedzera, simba rekutanga rehupfu hwelatex hunonyungudika hwechinamira chemataira rinowedzera, uye panguva imwe chete, simba rechinamira chekunamira mushure mekunyudzwa mumvura uye simba rechinamira chekunamira mushure mekuchembera kwekupisa rinowedzerawo.
(2) Nekuwedzera kwehuwandu hwehupfu hwelatex hunonyungudika hwekunamira mataira, simba rekubatanidza tambo relatex rinonyungudika rekunamira mataira mushure mekunyudzwa mumvura uye simba rekubatanidza tambo mushure mekuchembera kwekupisa rakawedzera zvinoenderana, asi kuchembera kwekupisa Mushure meizvozvo, simba rekubatanidza tambo rakawedzera zvakanyanya.
Nekuda kwemabasa ayo ekushongedza uye kushanda zvakanaka akadai sekugara kwenguva refu, kuramba mvura uye kuchenesa kuri nyore, mataira eceramic anoshandiswa zvakanyanya: kusanganisira madziro, pasi, matenga nemadziva ekushambira, nezvimwewo, uye anogona kushandiswa mukati nekunze. Nzira yechinyakare yekunama mataira inzira yekuvaka yakakora, ndiko kuti, tanga waisa dhaka rakajairika kumashure kwemataira, wobva wadzvanya mataira padanho repasi. Ukobvu hwedhaka iri hunenge 10 kusvika 30mm. Kunyangwe nzira iyi yakakodzera zvikuru kuvaka pahwaro husina kuenzana, zvakaipa zvacho kushanda zvakanaka kwemataira ekuisa mataira, zvinodiwa zvakanyanya kuti vashandi vave nehunyanzvi, njodzi yakawedzerwa yekudonha nekuda kwekusachinjika zvakanaka kwedhaka, uye kuoma kugadzirisa dhaka panzvimbo yekuvaka. Hunhu hunodzorwa zvakanyanya. Nzira iyi yakakodzera chete mataira ane mwero wepamusoro wekunyudzwa kwemvura. Usati wanama mataira, mataira anofanira kunyikwa mumvura kuti uwane simba rakakwana rekubatanidza.
Parizvino, nzira yekunamatira mataira inoshandiswa zvakanyanya muEurope ndiyo inonzi nzira yekunamatira yakatetepa, kureva kuti, batch yekunamatira mataira yakagadziriswa polymer inokweshwa pamusoro pechigadziko kuti igokweshwa pachine nguva nespatula ine meno kuti iite mitsetse yakasimudzwa. Uye chikamu chematope chine ukobvu hwakafanana, wobva wadzvanya mataira ari pairi wobva wamonyorora zvishoma, ukobvu hwechikamu chematope hunenge 2 kusvika 4mm. Nekuda kwekushandurwa kwe ether ye cellulose uye upfu hwe latex hunosanganiswazve, kushandiswa kwe tile iyi ine mashandiro akanaka ekubatanidza kune mhando dzakasiyana dzechigadziko uye pamusoro pezvikamu zvinosanganisira mataira ane vitrified akazara ane mvura shoma, uye ine kushanduka kwakanaka, zvekuti inobvisa kushushikana kunokonzerwa nezvinhu zvakaita sekusiyana kwekushisa, uye kuramba kwakanaka kwe sag, kwenguva yakareba yakakwana yekuvaka yakatetepa, izvo zvinogona kukurumidzisa kukurumidza kwekuvaka, zviri nyore kushanda uye hapana chikonzero chekunyorovesa mataira mumvura. Iyi nzira yekuvaka iri nyore kushandisa uye iri nyore kuita kudzora mhando yekuvaka panzvimbo.
Nguva yekutumira: Zvita-12-2022