Ngokuphathelene nenkinga yokuthi i-putty powder kulula ukuyifutha, noma amandla ayo awanele. Njengoba sonke sazi, i-cellulose ether idinga ukungezwa ukuze kwenziwe i-putty powder, i-HPMC isetshenziselwa i-wall putty, futhi abasebenzisi abaningi abafaki i-latex powder ephinde ihlakazeke. Abantu abaningi abafaki i-polymer powder ukuze bonge izindleko, kodwa futhi lokhu kuyisihluthulelo sokuthi kungani i-putty evamile kulula ukuyifutha futhi ithambekele ezinkingeni zekhwalithi yomkhiqizo!
I-putty ejwayelekile (njenge-putty engu-821) yenziwe kakhulu ngempuphu emhlophe, i-starch glue encane kanye ne-CMC (hydroxymethyl cellulose), kanti eminye yenziwe nge-methyl cellulose kanye nempuphu ye-Shuangfei. Le putty ayinamatheli futhi ayimelani namanzi.
I-Cellulose ingamunca amanzi futhi ivuvuke ngemva kokuncibilikiswa emanzini. Imikhiqizo evela kubakhiqizi abahlukene inezinga elihlukile lokumunca amanzi. I-Cellulose idlala indima ekugcinweni kwamanzi ku-putty. I-putty eyomile inamandla athile okwesikhashana, futhi izokhipha kancane kancane impuphu ngemva kwesikhathi eside. Lokhu kuhlobene eduze nesakhiwo sama-molecule se-cellulose uqobo. I-putty enjalo ikhululekile, inomunca amanzi amaningi, kulula ukuyicola, ayinawo amandla, futhi ayinakunwebeka. Uma i-topcoat ifakwa phezulu, i-PVC ephansi kulula ukuyiqhumisa futhi igwebu; i-PVC ephezulu kulula ukuyishwabadela nokuqhekeka; ngenxa yokumunca amanzi amaningi, izothinta ukwakheka kwefilimu kanye nomphumela wokwakhiwa kwe-topcoat.
Uma ufuna ukuthuthukisa izinkinga ezingenhla ze-putty, ungalungisa ifomula ye-putty, wengeze i-latex powder ephinde ihlakazeke kahle ukuze uthuthukise amandla akamuva e-putty, bese ukhetha i-hydroxypropyl methylcellulose HPMC esezingeni eliphezulu enekhwalithi eqinisekisiwe.
Enkambisweni yokukhiqizwa kwe-putty, uma inani lempuphu ye-latex ephinde ihlakazeke engeziwe linganele, noma uma kusetshenziswa i-latex powder ephansi ye-putty, izoba namuphi umthelela kumpuphu ye-putty?
Inani elanele lempuphu ye-latex ephinde ihlakazeke, ukubonakaliswa okuqondile kakhulu ukuthi ungqimba lwe-putty lukhululekile, ubuso buyacolwa, inani lopende olusetshenziswa ekugcobeni phezulu likhulu, isici sokulinganisa asisihle, ubuso buyaqina ngemva kokwakheka kwefilimu, futhi kunzima ukwakha ifilimu yopende ejiyile. Izindonga ezinjalo zivame ukuqhekeka, ziqhume, ziqhekeke, futhi ziqhekeke ifilimu yopende. Uma ukhetha impuphu ye-putty ephansi, kusobala ukuthi amagesi ayingozi njenge-formaldehyde ekhiqizwa odongeni azobangela ukulimala kwabanye ngokomzimba.
Isikhathi sokuthunyelwe: Juni-15-2023