Dry-musanganiswa dhaka musanganiswa wecementitious zvinhu (simende, nhunzi ash, slag poda, nezvimwewo), akakosha akagadzikwa giredhi aggregates (quartz jecha, corundum, nezvimwewo, uye dzimwe nguva inoda mwenje Granules, yakawedzera perlite, yakawedzera vermiculite, nezvimwe. ) uye zvakasanganiswa zvakasanganiswa zvakafanana mune imwe chikamu, uye zvino zvakarongedzwa mumabhegi, madhiramu kana kupihwa muhuwandu muhupfu hwakaoma sechinhu chekuvaka.
Kune marudzi mazhinji edhaka rekutengesa, rinosanganisira dhaka rakaoma rehupfu rekushongedza, dhaka rakaoma reupfu rekupurasita, dhaka rehupfu rakaoma revhu, dhaka rakaomeswa rehupfu rekudzivirira mvura, kuchengetedza kupisa uye zvimwe zvinangwa. Kupfupisa, dhaka rakaoma-rakasanganiswa rinogona kukamurwa kuita yakajairwa yakaoma-yakasanganiswa dhaka (masonry, plastering uye pasi yakaoma-yakasanganiswa dhaka) uye yakakosha yakaoma-yakasanganiswa dhaka. Yakakosha yakaoma-yakasanganiswa dhaka inosanganisira: yekuzvimisikidza pasi dhaka, kupfeka-inodzivirira pasi zvinhu, inorganic caulking agent, dhaka remvura, resin plastering dope, kongiri pamusoro pekudzivirira zvinhu, ine mavara plastering dhaka, nezvimwe.
Saka akawanda akaomeswa-akasanganiswa madhaka anoda akasanganiswa emhando dzakasiyana uye akasiyana masisitimu ekuita kuti agadziriswe kuburikidza nehuwandu hukuru hwebvunzo. Zvichienzaniswa zvechinyakare kongiri admixtures, yakaoma-yakavhenganiswa dhaka admixtures anogona chete kushandiswa muupfu chimiro, uye chechipiri, vari soluble mumvura inotonhora, kana zvishoma nezvishoma nyungudika pasi chiito alkalinity kuti dzishandise yavo yakakodzera mugumisiro.
Redispersible latex poda kazhinji hupfu chena ine mvura yakaoma, ine madota emukati angangoita 12%, uye madota emukati anowanzo kubva kune inoburitsa mumiriri. Iyo yakajairika particle saizi yepolymer poda inenge 0.08mm. Zvechokwadi, uku ndiko kukura kwe emulsion particle aggregate. Mushure mekupararira zvakare mumvura, yakajairika saizi ye emulsion particle ndeye 1 ~ 5um. Iyo yakajairwa particle size ye emulsion particles inoshandiswa zvakananga muchimiro chemulsion inowanzoita 0.2um, saka hukuru hukuru hweemulsion hwakaumbwa nehupfu hwepolymer hwakakura. Basa guru nderekuwedzera kusimba kwechisungo chedhaka, kunatsiridza kusimba kwayo, deformation, kutsemuka kuramba uye kusamira, uye kugadzirisa kuchengetwa kwemvura uye kugadzikana kwedhaka.
Iyo polymer redispersible polymer poda parizvino inoshandiswa muvhu rakaoma dhaka rinonyanya kusanganisira anotevera marudzi:
(1) styrene-butadiene copolymer;
(2) Styrene-acrylic acid copolymer;
(3) vinyl acetate homopolymer;
(4) polyacrylate homopolymer;
(5) Styrene acetate copolymer;
(6) Vinyl acetate-ethylene copolymer, nezvimwewo, mazhinji acho ari vinyl acetate-ethylene copolymer powder.
Nguva yekutumira: Mar-07-2023