Upfu hwepolymer hunosanganiswa neruvara rwewhite latex mhando mbiri dzakasiyana dzepolymer dzinoshandiswa muindasitiri yekuvaka, kunyanya mukugadzira zvinhu zvekuvaka uye machira. Kunyangwe zvigadzirwa zvese izvi zvakagadzirwa nezvinhu zvakafanana, zvine hunhu hwakasiyana hunoita kuti zvive zvakanaka pakushandiswa kwakasiyana. Muchinyorwa chino, tinoongorora mutsauko mukuru uripo pakati peupfu hwelatex hunosanganiswa neruvara rwewhite latex uye tinotsanangura kuti sei zvese zviri zvikamu zvakakosha zvekuvaka kwemazuva ano.
Kutanga, ngatitangei nepfungwa huru. Latex imhando yemvura yakagadzirwa nemukaka yakagadzirwa nemapolymers ekugadzira akadai sestyrene-butadiene, vinyl acetate, uye acrylics. Inowanzoshandiswa seglue kana glue mukugadzira zvinhu zvakasiyana-siyana zvekuvaka, kubva padrywall joint compound uye tile glues kusvika ku cement mortar uye stucco coatings. Mhando mbiri dzinonyanya kushandiswa dzelatex mukuvaka ilatex powder inonyungudika zvakare uye white latex.
Upfu hwepolymer hunonyungudika, hunozivikanwawo seRDP, upfu hunoyerera huchigadzirwa nekusanganisa latex prepolymers, fillers, anti-caking agents nezvimwe zvinowedzera. Kana hwakasanganiswa nemvura, hunopararira zviri nyore kuti hugadzire emulsion yakasimba, yakafanana uye hunogona kuwedzerwa kumisanganiswa yakaoma yakadai sesimende kana gypsum kuti huvandudze kushanda, kunamira uye kugara kwenguva refu. RDP inoshandiswa zvakanyanya mukugadzira mamortar akaoma, macompounds anozvienzanisa uye mafinishes akavakirwa pagypsum nekuda kwekuchengetedza kwayo mvura zvakanaka, kusimba uye kuchinjika.
Latex chena, kune rumwe rutivi, imusanganiswa wemvura welatex yakagadzirwa inogona kushandiswa zvakananga panzvimbo dzakadai sechinamira, primer, sealer kana pendi. Kusiyana neRDP, latex chena haidi kusanganiswa nemvura kana zvimwe zvinhu zvakaoma. Ine kunamira kwakanaka kune zvakasiyana-siyana zvinosanganisira kongiri, masonry, huni nesimbi uye inonyanya kushandiswa mukugadzira pendi, machira uye sealant. Nekuda kwechimiro chayo chemvura, inogona kuiswa nyore nyore nebhurashi, roller kana spray uye inooma nekukurumidza kuti igadzire firimu risingapindi mvura.
Saka, musiyano mukuru ndeupi uripo pakati peupfu hwelatex hunonyungudika newhite latex? Chekutanga, zvinosiyana muchitarisiko. RDP ihupfu hwakatsetseka hunofanirwa kusanganiswa nemvura kuti hugadzire emulsion, nepo white latex iri mvura inogona kuiswa zvakananga pamusoro. Chechipiri, dzinoshandiswa zvakasiyana. RDP inonyanya kushandiswa sechinhu chinowedzera mumisanganiswa yakaoma, nepo white latex ichishandiswa sechivharo kana sealant. Chekupedzisira, hunhu hwadzo hunosiyana. RDP inopa kugona kushanda, kunamira uye kuchinjika kwakanaka, nepo white latex ichipa kudzivirira mvura uye kugara kwenguva refu.
Zvakakosha kuziva kuti upfu hwelatex hunonyungudika zvakare newhite latex zvine zvazvakanakira uye mashandisirwo azvo akasiyana. RDP yakakodzera kushandiswa mumamortars akaomarara nezvimwe zvinhu zvinosimbisa simende, nepo white latex yakakodzera kushandiswa mumapendi, macoatings uye ma sealant. Zvisinei, zvigadzirwa zvese izvi zvinogona kushandiswa zvakasiyana-siyana uye zvinogona kushandiswa mumhando dzakasiyana-siyana dzemashandisirwo, zvichienderana nezvinodiwa zvepurojekiti yacho.
Zvose, zvakakosha kunzwisisa mutsauko uripo pakati pemapoda epolymer anopararira nelatex chena kuti usarudze chigadzirwa chakakodzera iwe pachako. Zvigadzirwa zvese izvi zvinopa mashandiro akanaka, uye nekusarudza chigadzirwa chakakodzera basa racho, unogona kuva nechokwadi chemhedzisiro yemhando yepamusoro uye inogara kwenguva refu. Sezvo tekinoroji yekugadzira latex ichiramba ichifambira mberi, zvingangoita kuti zvigadzirwa zvitsva uye zvitsva zvichagadzirwa mune ramangwana izvo zvichawedzera huwandu hwemashandisirwo emapolymer aya anoshanda zvakasiyana.
Nguva yekutumira: Chikunguru-03-2023