Ufa wa VAE Ufa wa polymer wa RDP (Redispersible) ndi zowonjezera zomwe zimagwiritsidwa ntchito kwambiri mumakampani omanga. Umawonjezeredwa ku zinthu zopangidwa ndi simenti monga zomatira za matailosi, mankhwala odziyimira pawokha komanso makina oteteza makoma akunja kuti akonze zinthu monga kugwira ntchito bwino, kumatira komanso kusinthasintha. Kukula kwa tinthu tating'onoting'ono, kuchuluka kwa zinthu ndi kukhuthala kwa ufa wa polymer wa RD ndi zinthu zofunika kwambiri zomwe zimakhudza magwiridwe antchito awo mu ntchito izi. Nkhaniyi ikuyang'ana kwambiri njira yoyesera kukhuthala kwa ufa wa polymer wa VAE powder RD.
Kukhuthala kumatanthauzidwa ngati muyeso wa kukana kwa madzi kuyenda. Pa ufa wa VAE RD polymer powders, kukhuthala ndi gawo lofunika kwambiri lomwe limakhudza kusinthasintha ndi kugwira ntchito kwa zosakaniza za simenti. Kukhuthala kwakukulu, kumakhala kovuta kuti ufawo usakanizidwe ndi madzi, zomwe zimapangitsa kuti pakhale ziphuphu ndi kufalikira kosakwanira. Chifukwa chake, ndikofunikira kwambiri kusunga kuchuluka kwa kukhuthala kwa ufa wa RD polymer kuti ukwaniritse mtundu wokhazikika wa chinthu chomaliza.
Njira yoyesera kukhuthala kwa ufa wa polymer wa VAE powder RD imachitika pogwiritsa ntchito viscometer yozungulira. Viscometer yozungulira imayesa mphamvu yofunikira kuti izungulire spindle mkati mwa chitsanzo cha ufa wa polymer womwe umapachikidwa m'madzi. Spindle imazungulira pa liwiro linalake ndipo mphamvu imayesedwa mu centipoise (cP). Kukhuthala kwa ufa wa polymer kumawerengedwa kutengera mphamvu yofunikira kuti izungulire spindle.
Masitepe otsatirawa akufotokoza njira yogwiritsira ntchito njira yoyesera kukhuthala kwa ufa wa VAE Powder RD Polymer.
1. Kukonzekera chitsanzo: Tengani chitsanzo choyimira cha ufa wa RD polymer ndikulemera kufika pa 0.1 g yapafupi. Samutsani chitsanzocho ku chidebe choyera, chouma komanso chouma. Lembani kulemera kwa chidebecho ndi chitsanzocho.
2. Mwazani ufa wa polima: Mwazani ufa wa polima m'madzi motsatira malangizo a wopanga. Kawirikawiri, ufa wa polima umasakanizidwa ndi madzi pogwiritsa ntchito chosakanizira champhamvu kwambiri. Sakanizani ufa wa polima ndi madzi kwa mphindi zosachepera 5 kapena mpaka mutapeza chisakanizo chofanana. Liwiro ndi nthawi yosakaniza ziyenera kukhala zofanana panthawi yonse yoyesera.
3. Kuyeza kukhuthala: gwiritsani ntchito choyezera kuzungulira kuti muyese kukhuthala kwa polima ufa woyimitsidwa. Kukula kwa spindle ndi liwiro lake ziyenera kusankhidwa malinga ndi kukhuthala komwe kumayembekezeredwa kwa polima ufa. Mwachitsanzo, ngati mukuyembekezeredwa kukhuthala kochepa, gwiritsani ntchito spindle yaying'ono komanso RPM yokwera. Ngati mukuyembekezeredwa kukhuthala kwakukulu, gwiritsani ntchito spindle yayikulu komanso liwiro lotsika.
4. Kulinganiza: Musanayese miyeso, linganizani viscometer motsatira malangizo a wopanga. Izi zikuphatikizapo kukhazikitsa mfundo ya zero ndikulinganiza ndi mayankho okhazikika a kukhuthala kodziwika.
5. Yesani mphamvu ya torque: Ikani rotor mu polymer powder suspension mpaka itamira kwathunthu. Spindle sayenera kukhudza pansi pa chidebecho. Yambani kuzunguza spindle ndikudikirira kuti mphamvu ya torque ikhazikike. Lembani mphamvu ya torque mu centipoise (cP).
6. Kubwerezabwereza: Pa chitsanzo chilichonse, miyeso itatu yobwerezabwereza inatengedwa ndipo kuchuluka kwa kukhuthala kwapakati kunawerengedwa.
7. Kuyeretsa: Mukamaliza kuyeza, yeretsani bwino chozungulira ndi chidebecho ndi madzi ndi sopo. Tsukani ndi madzi osungunuka ndipo muume mosamala.
Kukhuthala kwa ufa wa RD polymer kumakhudzidwa ndi zinthu zingapo kuphatikizapo kutentha, pH ndi kuchuluka kwake. Chifukwa chake, ndikofunikira kwambiri kuyeza kukhuthala pansi pa mikhalidwe yokhazikika. Komanso, kuyeza kukhuthala kuyenera kuchitidwa nthawi zonse kuti zitsimikizire kuti ufa wa RD polymer umagwira ntchito bwino nthawi zonse.
Mwachidule, njira yoyesera kukhuthala kwa ufa wa VAE polymer wa RD ndi mayeso ofunikira kuti adziwe kusinthasintha ndi kugwira ntchito kwa zinthu zopangidwa ndi simenti. Kuyesa kuyenera kuchitika pogwiritsa ntchito zida ndi njira zokhazikika kuti mupeze zotsatira zolondola komanso zobwerezabwereza. Kuyeza kukhuthala kuyenera kuchitidwa nthawi ndi nthawi kuti zitsimikizire mtundu wa ufa wa RD polymer.
Nthawi yotumizira: Juni-25-2023