Ifu ya polymer ishobora gutanyagurika n'ibindi bikoresho bidakora (nk'isima, lime, gypsum, nibindi) hamwe n'ibindi bikoresho bitandukanye, ibintu byuzuza n'ibindi bikoresho (nk'imashini ya methyl hydroxypropyl cellulose ether, starch ether, lignocellulose, hydrophobic Agents, nibindi) bivangwa neza kugira ngo bikore imashini yumye. Iyo imashini yumye ivanze n'amazi, hakoreshejwe uburyo bwa hydrophilic protective colloid na mechanical shearing, uduce tw'ifu ya latex tuzakwirakwira mu mazi.
Bitewe n’imiterere itandukanye n’impinduka za buri fu ya latex igabanyijemo ibice, iyi ngaruka nayo iratandukanye, zimwe zigira ingaruka zo gutuma amazi atemba, mu gihe zimwe zigira ingaruka zo kongera thixotropy. Uburyo ikoreshwa mu kugira ingaruka ituruka ku bintu byinshi, harimo ingaruka z’ifu ya latex ku buryo amazi akwirakwira mu gihe cyo gukwirakwira, ingaruka z’ubukana butandukanye bw’ifu ya latex nyuma yo gukwirakwira, ingaruka z’ubukana butandukanye bw’ifu ya latex nyuma yo gukwirakwira, ingaruka z’ubukana bw’uburinzi, n’ingaruka za sima n’umukandara w’amazi. Ingaruka z’ibintu bikurikira zirimo ingaruka ku kwiyongera k’umwuka w’ibumba n’uburyo umwuka ukwirakwira, ndetse n’ingaruka z’inyongera zayo ndetse n’imikoranire n’izindi nyongera. Kubwibyo, guhitamo ifu ya polymer ishobora gukwirakwira mu buryo bwihariye kandi igatandukana ni uburyo bw’ingenzi bugira ingaruka ku bwiza bw’umusaruro. Muri byo, igitekerezo gikunze kugaragara ni uko ifu ya polymer ishobora gukwirakwira mu buryo busanzwe yongera ingano y’umwuka w’ibumba, bityo igatera amavuta mu buryo bw’ibumba, ndetse n’ubukana bw’ifu ya polymer, cyane cyane iyo ibumba ryikingira rikwirakwira mu mazi. Ubwiyongere bwa α bufasha mu kunoza uburyo urusaku rw’ubwubatsi ruhurirana, bityo rukongera ubushobozi bwo gukora neza. Nyuma yaho, urusaku rutose rurimo ifu ya latex rushyirwa ku buso bw’umurimo. Iyo ubushuhe bugabanutse ku nzego eshatu - kwinjiza urwego rw’ibanze, gukoresha uburyo bwo guhumeka bwa sima, no guhinduka k’ubushuhe bw’ubuso mu kirere, uduce twa resin twegera buhoro buhoro , aho urusaku ruhurira buhoro buhoro, amaherezo rukaba firime ya polymer ihoraho. Iyi gahunda ibera cyane cyane mu mwenge w’urusaku n’ubuso bw’ikintu gikomeye.
Hakwiye gushimangirwa ko, kugira ngo iyi nzira idasubira inyuma, ni ukuvuga ko iyo firime ya polimeri itarasubira gushonga iyo yongeye guhura n'amazi, firime irinda ifu ya polimeri ishobora gushonga igomba gutandukanywa n'imashini ya polimeri. Ibi ntabwo ari ikibazo muri sisitemu ya sima ya alkaline, kuko izaterwa na alkali ikomoka ku mazi ya sima, kandi icyarimwe, kwinjizwa kw'ibikoresho bya quartz bizayitandukanya buhoro buhoro n'iyi sisitemu nta burinzi buturuka ku mazi. Colloid, firime idashonga mu mazi kandi ikorwa no gukwirakwira rimwe kwa latex ishobora gushonga, ishobora gukora atari mu bihe byumutse gusa, ahubwo no mu bihe by'igihe kirekire cyo kwinjizwa mu mazi. Mu buryo butari ubwa alkali, nka sisitemu za gypsum cyangwa sisitemu zifite gusa utwuma duto, utunyangingo turinda tuba tukiri mu gice cya nyuma cya polymer kubera impamvu runaka, bigira ingaruka ku budahangarwa bw'amazi bwa polymer, ariko kubera ko ubu buryo budakoreshwa mu gihe cyo kwinjizwa mu mazi igihe kirekire, kandi polymer igifite imiterere yayo yihariye ya mekanike, ntabwo bigira ingaruka ku ikoreshwa ry'ifu ya polymer ikwirakwira muri ubu buryo.
Igihe cyo kohereza: 25 Mata 2024