Ufa wa polima wosinthika ndi ufa wothira mu emulsion ya polima yosinthidwa pogwiritsa ntchito kupopera mankhwala. Uli ndi kuthekera kothira mu emulsion yabwino ndipo ukhoza kusinthidwa kukhala emulsion yokhazikika ya polima mutawonjezera madzi. Kagwiridwe kake kamakhala kofanana ndi ka emulsion yoyamba. Chifukwa chake, n'zotheka kupanga matope osakaniza bwino, potero kukonza mawonekedwe a matope.
Ufa wa latex wosungunukanso ndi chinthu chofunikira kwambiri komanso chofunikira kwambiri pa matope osakanikirana. Ukhoza kukonza magwiridwe antchito a matope, kuwonjezera mphamvu ya matope, kukonza mphamvu yolumikizira matope ndi zinthu zina, ndikuwonjezera kusinthasintha ndi kusinthasintha kwa matope. Makhalidwe ake, mphamvu yokakamiza, mphamvu yopindika, kukana kukwawa, kulimba, kumamatira ndi kusunga madzi, komanso kupangika kwake. Kuphatikiza apo, ufa wa latex wokhala ndi hydrophobicity ungapangitse matopewo kukhala ndi kukana bwino madzi.
Mtondo wopaka utoto, ufa wa latex wosungunukanso uli ndi kusungunuka bwino, kusunga madzi, kukana chisanu, komanso mphamvu yolimba yolumikizirana, zomwe zimatha kuthetsa bwino kusweka ndi kulowa pakati pa funso la matope achikhalidwe ndi matope.
Dothi lodziyimira lokha, pansi pake. Ufa wa polima wosinthika uli ndi mphamvu zambiri, umagwirizana bwino komanso kusinthasintha kofunikira. Ukhoza kukonza kumatirira, kukana kuwonongeka komanso kusunga madzi m'zinthuzo. Ukhoza kubweretsa rheology yabwino kwambiri, kugwira ntchito bwino komanso kudzikongoletsa bwino padothi lodziyimira lokha komanso lodziyimira lokha.
Ufa wa latex wothira matailosi umamatira bwino, umasunga madzi bwino, umatsegula nthawi yayitali, umasinthasintha, umakana kutsika komanso umakana kuzizira. Umapereka kulimba kwambiri, umakana kutsetsereka kwambiri komanso umatha kugwira ntchito bwino pa zomatira za matailosi, zomatira za matailosi zopyapyala komanso zotsekeka.
Ufa wa latex wosalowa madzi umawonjezera mphamvu yolumikizirana ndi zinthu zonse, umachepetsa elastic modulus, umawonjezera kusunga madzi, komanso umachepetsa kulowa kwa madzi, zomwe zimapangitsa kuti zinthu zikhale zosinthasintha kwambiri, zosagwirizana ndi nyengo komanso zosalowa madzi. Kusalowerera ndale komanso kuletsa madzi kumafuna mphamvu yokhazikika ya makina otsekera.
Mtondo woteteza kutentha kwa kunja kwa makoma akunja Ufa wa latex wosinthika mu dongosolo loteteza kutentha kwakunja kwa makoma akunja umathandizira mgwirizano wa matope ndi mphamvu yolumikizira ku bolodi loteteza kutentha, zomwe zimachepetsa kugwiritsa ntchito mphamvu pamene mukufuna kutetezera kutentha. Kugwira ntchito kofunikira, mphamvu yosinthasintha komanso kusinthasintha kumatha kuchitika pakhoma lakunja ndi zinthu za matope zoteteza kutentha kwakunja, kuti zinthu zanu za matope zikhale ndi magwiridwe antchito abwino olumikizirana ndi zinthu zingapo zotetezera kutentha ndi zigawo zoyambira. Nthawi yomweyo, zimathandizanso kukonza kukana kukhudzidwa ndi kukana ming'alu pamwamba.
Kukonza Mtondo Ufa wa polima wosinthika uli ndi kusinthasintha kofunikira, kufupika, kumamatira kwambiri, kupindika koyenera komanso mphamvu yokoka. Pangani matope okonzera kuti akwaniritse zofunikira zomwe zili pamwambapa ndipo agwiritsidwe ntchito pokonza konkire yomangidwa ndi yosamangidwa.
Ufa wa latex wosakanikirana ndi matope osakanikirana umagwiritsidwa ntchito makamaka pochiza pamwamba pa konkire, konkire wolowa mpweya, njerwa za mchenga wa lime ndi njerwa za phulusa, ndi zina zotero, kuti athetse vuto lakuti mawonekedwe ake ndi ovuta kuwagwirizanitsa, wosanjikiza pulasitala ndi wopanda kanthu, ndipo amasweka, amatuluka, ndi zina zotero. Umawonjezera mphamvu yolumikizira, siwophweka kugwa ndipo umalimbana ndi madzi, ndipo umakhala ndi kukana kwabwino kwambiri kwa kuzizira, komwe kumakhudza kwambiri ntchito yosavuta komanso kapangidwe kosavuta.
Zinthu zopangidwa ndi ufa wa polima wosungunukanso zimakhala zokongola kwambiri pamsika, koma makhalidwe awo ndi ofanana, zomwe zitha kufotokozedwa mwachidule motere:
Ufa wa latex wosungunukanso ndi ufa wopangidwa ndi kupopera kwa emulsion ya polymer, yomwe imadziwikanso kuti guluu wa ufa wouma. Ufa uwu ukhoza kuchepetsedwa mwachangu kukhala emulsion mutakhudzana ndi madzi, ndikusunga mawonekedwe omwewo monga emulsion yoyamba, ndiko kuti, filimu idzapangidwa madzi atatha kuphwa. Filimu iyi ili ndi kusinthasintha kwakukulu, kukana nyengo komanso kukana zinthu zosiyanasiyana. Kumamatira kwambiri.
Zinthu zotere zimagwiritsidwa ntchito makamaka pa kutchinjiriza khoma lakunja, kulumikiza matailosi, kukonza mawonekedwe, kulumikiza gypsum, kuyika pulasitala gypsum, kuyika khoma mkati ndi kunja, matope okongoletsera ndi minda ina yomanga, ndipo ali ndi ntchito zambiri komanso mwayi wabwino pamsika.
Kukwezedwa ndi kugwiritsidwa ntchito kwa ufa wa latex wosungunuka kwathandiza kwambiri kuti zipangizo zomangira zachikhalidwe zigwire bwino ntchito, komanso kwathandiza kwambiri kuti zikhale zolimba, zogwirizana, mphamvu yopindika, kukana kugwedezeka, kukana kutopa, kulimba, ndi zina zotero. Zomangamangazi zimatsimikizira ubwino wa mapulojekiti omanga chifukwa cha khalidwe lawo labwino komanso zinthu zapamwamba.
Nthawi yotumizira: Okutobala-24-2022