Ufa wa latex wosungunukansoNdi ufa wofalikira womwe umapezeka poumitsira mankhwala a emulsion yosinthidwa ya polymer. Uli ndi kuthekera kofalikira bwino ndipo ukhoza kusinthidwa kukhala emulsion yokhazikika ya polymer mutawonjezera madzi. Makhalidwe ake a mankhwala ndi ofanana ndi emulsion yoyambirira. Chifukwa chake, Kuti tithe kupanga matope osakaniza bwino komanso owuma bwino ndikuwonjezera magwiridwe antchito a matope, lero tikambirana za ntchito ndi kagwiritsidwe ntchito ka ufa wa polymer wosungunukanso.
Kodi ntchito ya ufa wa latex wosungunukanso ndi yotani?
Ufa wa polima wothiranso ndi chinthu chofunikira kwambiri pa matope osakaniza, chomwe chingathandize kukonza magwiridwe antchito a matope ndi matope kuti awonjezere mphamvu, kulimbitsa mphamvu ya matope ndi zinthu zina zosiyanasiyana, kukonza mawonekedwe a matope, kusinthasintha ndi kufooka kwa mphamvu yopondereza, mphamvu yopindika, kukana kukwawa, kulimba, kumamatira ndi mphamvu yosunga madzi, komanso makina ogwirira ntchito. Kuphatikiza apo, ufa wa polima wokhala ndi hydrophobicity ukhoza kukhala ndi matope abwino osalowa madzi.
Kusungunuka kwa matope mu matope opangidwa ndi miyala ndi pulasitala kumapangitsa kuti ufa wa latex ukhale wosavuta kulowerera, kusunga madzi, kukana chisanu, komanso mphamvu yolumikizana, zomwe zingathandize kuthetsa vuto la matope opangidwa ndi miyala achikhalidwe aku China pogwiritsa ntchito zipinda zomangidwa ndi miyala. Mavuto omwe alipo pakuwongolera khalidwe monga kusweka ndi kulowa mkati.
Mtondo wodziyimira pawokha, ufa wa latex wosungunukanso kuti ugwiritsidwe ntchito popanga zinthu zapansi, wamphamvu kwambiri, umagwirizana bwino, ndipo umafuna kusinthasintha. Umathandiza kuti zinthu zikhale zolimba, kukana kusweka komanso kusunga madzi. Umatha kubweretsa rheology yabwino kwambiri, kugwira ntchito bwino komanso kudzitsetsereka bwino pa matope odziyimira pawokha komanso matope otsetsereka.
Ufa wa latex wosungunuka womwe umamatira bwino, umasunga madzi bwino, umatseguka nthawi yayitali, umasinthasintha, umatha kuuma, komanso umatha kuuma bwino nthawi yozizira. Ukhoza kukhala wopyapyala wa guluu wa matailosi, guluu wa matailosi ndi tirigu wa mpunga kuti ukhale wolimba kwambiri, wolimba komanso wogwira ntchito bwino pomanga.
Ufa wa latex wosungunukanso wa matope a konkire osalowa madzi umawonjezera mphamvu ya zinthu zomangira kuzinthu zosiyanasiyana, umachepetsa kusinthasintha kwa mphamvu ya mabizinesi, umawonjezera kusunga madzi, komanso umachepetsa kulowa kwa madzi. Zinthu zomwe zimapereka zisindikizo ndi zofunikira zogwirira ntchito zosagwirizana ndi madzi komanso zosalowa madzi kuti makinawo amange zotsatira zokhalitsa.
Chotsukira chakunja cha kutentha kwa khoma chimatha kufalitsanso ufa wa latex mu dongosolo lakunja la kutentha kwa khoma, kuwonjezera mgwirizano wa chotsukira ndi mphamvu yomangirira pa bolodi la kutentha, ndikuchepetsa kugwiritsa ntchito mphamvu pamene mukufuna kutchinjiriza kutentha. Chotsukira chakunja cha kutentha kwa khoma chimakwaniritsa ntchito yofunikira pa khoma lakunja, mphamvu yosinthasintha komanso kusinthasintha, chingapangitse kuti zinthu zanu za chotsukira zikhale ndi mphamvu zabwino zomangira ndi zinthu zosiyanasiyana zotetezera kutentha ndi zigawo zoyambira, nthawi yomweyo, zimathandizanso kutchula kukana kwakukulu komanso kukana ming'alu pamwamba.
Ufa wa latex wosungunukanso kuti ukonze matope okhala ndi kusinthasintha koyenera, kufupika, kumamatira kwambiri, mphamvu yoyenera yopindika komanso yolimba. Umakwaniritsa zofunikira zomwe zili pamwambapa pokonza matope kuti akonze konkire yomangidwa ndi yosamangidwa.
Ufa wa latex wosungunuka m'matope womwe umagwiritsidwa ntchito pokonza deta ndi malo monga konkriti, konkriti wolowa mpweya, njerwa za mchenga wa lime ndi njerwa za phulusa. Sizosavuta kumangirira, gawo lopaka pulasitala ndi lopanda kanthu, losweka, komanso lochotsedwa. Mphamvu yomatira imawonjezeka, sikophweka kugwa komanso kukana madzi, ndipo kukana kuzizira ndi kusungunuka ndikwabwino kwambiri, zomwe zimakhudza kwambiri njira yosavuta yogwirira ntchito komanso kasamalidwe ka zomangamanga kosavuta.
Kugwiritsa ntchito ufa wa polima wosungunukanso
Chomatira cha matailosi, khoma lakunja ndi khoma lakunja loteteza kutentha, khoma lakunja loteteza kutentha, pulasitiki ya matailosi, pulasitiki ya simenti yodziyendetsa yokha, putty yosinthasintha ya makoma amkati ndi akunja, pulasitiki yoletsa kusweka, utoto wa rabara wa polystyrene particles woteteza kutentha, utoto wouma.
Malangizo ogwiritsira ntchito ufa wa latex wosungunukanso:
Ufa wa latex wosungunuka suyenera kulowetsedwa kamodzi kokha, ndipo ndikofunikira kugawa kuchuluka kwake kuti mupeze kuchuluka koyenera.
Ulusi wa polypropylene ukafunika kuwonjezedwa, uyenera kufalikira mu simenti kaye, chifukwa tinthu tating'onoting'ono ta simenti titha kuchotsa magetsi osasinthasintha a ulusi, kotero kuti ulusi wa polypropylene ukhoza kufalikira.
Sakanizani ndi kusakaniza mofanana, koma nthawi yosakaniza siyenera kukhala yayitali kwambiri, mphindi 15 ndi yoyenera, ndipo mchenga ndi simenti zimaphwanyidwa mosavuta ndikugawidwa m'magulu zikasakanizidwa kwa nthawi yayitali.
Ndikofunikira kusintha mlingo wa zowonjezera ndikuwonjezera kuchuluka koyenera kwaHPMCmalinga ndi kusintha kwa nyengo
Pewani kuphimba chinyezi ndi zowonjezera kapena simenti.
Ndikoletsedwa kusakaniza ndi kugwiritsa ntchito ndi zinthu zokhala ndi asidi.
N'zoletsedwa kugwiritsa ntchito pomanga pansi pa 5°C. Kumanga kutentha kochepa kungayambitse vuto lalikulu la khalidwe la polojekiti, zomwe zimapangitsa kuti matope opaka pulasitala ndi bolodi loteteza kutentha zisamamatire. Ili ndi vuto la khalidwe la polojekiti popanda dongosolo lokonzanso pambuyo pake.
Nthawi yotumizira: Epulo-28-2024