Isubiranamo rya Polymer Powder (RDP)ni ifu yifu ikozwe no kumisha polymer emulion, ikunze gukoreshwa mubikoresho nkubwubatsi, ibifuniko, ibifatika, hamwe na tile. Igikorwa cyacyo nyamukuru ni ugusubira muri emulion wongeyeho amazi, ugatanga neza, gukomera, kurwanya amazi, kurwanya imvura, no guhangana nikirere.
Ibigize Redispersible Polymer Powder (RDP) birashobora gusesengurwa mubice byinshi, cyane cyane harimo ibice bikurikira:
1. Polymer resin
Ikintu cyibanze cya Redispersible Polymer Powder ni polymer resin, ubusanzwe ni polymer yabonetse na emulion polymerisation. Ibisanzwe bya polymer birimo:
Inzoga ya Polyvinyl (PVA): ifite imiterere myiza yo gufata no gukora firime kandi ikoreshwa cyane mubikoresho byubaka.
Polyacrylates (nka polyacrylates, polyurethanes, nibindi): ifite ubuhanga bukomeye, imbaraga zo guhuza, hamwe no kurwanya amazi.
Polystirene (PS) cyangwa Ethylene-vinyl acetate copolymer (EVA): ikoreshwa cyane mugutezimbere imiterere ya firime, kongera amazi, no guhangana nikirere.
Polymethyl methacrylate (PMMA): Iyi polymer ifite uburyo bwiza bwo kurwanya gusaza no gukorera mu mucyo.
Ibisigarira bya polymer bigira emulisiyo binyuze mumikorere ya polymerisiyonike, hanyuma amazi yo muri emulsiyo akurwaho no kumisha spray cyangwa gukonjesha, hanyuma amaherezo ya Redispersible Polymer Powder (RDP) muburyo bwifu.
2. Surfactants
Kugirango ugumane ituze hagati ya polymer kandi wirinde guhunika muri poro, hazongerwaho umubare ukwiye wa surfactants mugihe cyo gukora. Uruhare rwa surfactants ni ukugabanya ubukana bwubuso hagati yuturemangingo no gufasha ibice gutatanya mumazi. Ibisanzwe bisanzwe birimo:
Ibikoresho bitari ionic (nka polyeter, polyethylene glycol, nibindi).
Anionic surfactants (nkumunyu wa aside irike, alkyl sulfonate, nibindi).
Izi surfactants zirashobora kongera itandukaniro rya Redispersible Polymer Powder (RDP) s, bigatuma ifu ya latex yongera gukora emulion nyuma yo kongeramo amazi.
3. Kwuzuza no kubyimba
Kugirango uhindure imikorere yifu ya latex no kugabanya ibiciro, bimwe byuzuza hamwe nibyimbye nabyo bishobora kongerwaho mugihe cyo gukora. Hariho ubwoko bwinshi bwuzuza, nibisanzwe birimo:
Kalisiyumu karubone: ikunze gukoreshwa mu kuzuza ibinyabuzima bishobora kongera gufatira hamwe no kunoza imikorere.
Talc: irashobora kongera umuvuduko no kurwanya ibintu.
Amabuye y'agaciro ya silikate: nka bentonite, yaguye grafite, nibindi, arashobora kongera imbaraga zo kurwanya no kurwanya amazi yibikoresho.
Ubusanzwe inkoko zikoreshwa muguhindura ubwiza bwibicuruzwa kugirango bihuze nuburyo butandukanye bwo kubaka. Ibibyimbye bisanzwe birimo hydroxypropyl methylcellulose (HPMC) na alcool ya polyvinyl (PVA).
4. Umukozi urwanya keke
Mu bicuruzwa byifu, murwego rwo gukumira agglomeration mugihe cyo kubika no gutwara, imiti irwanya cake nayo ishobora kongerwamo mugihe cyo gukora. Imiti igabanya ubukana ni ibintu bimwe na bimwe byiza bidasanzwe, nka aluminium silikatike, dioxyde de silicon, nibindi. Ibi bintu birashobora gukora firime ikingira hejuru yifu ya porojeri ya latx kugirango birinde guhurira hamwe.
5. Ibindi byongeweho
Isubiranamo rya Polymer Powder (RDP) irashobora kandi kuba irimo inyongeramusaruro zidasanzwe kugirango tunoze imitungo yihariye:
Imiti irwanya UV: itezimbere ikirere hamwe nubushobozi bwo kurwanya gusaza kwibikoresho.
Antibacterial agent: igabanya imikurire ya mikorobe, cyane cyane iyo ikoreshejwe ahantu huzuye.
Plastiseri: itezimbere guhinduka no gukata ifu ya latex.
Antifreeze: Irinde ibikoresho gukonja mubushyuhe buke, bigira ingaruka kubwubatsi no gukoresha ingaruka.
6. Ubushuhe
Nubwo Redispersible Polymer Powder (RDP) iri muburyo bwa poro yumye, irasaba kandi kugenzura umubare runaka wubushuhe mugihe cyumusaruro, kandi ubusanzwe ubuhehere bugenzurwa munsi ya 1%. Ibirungo bikwiye bifasha kugumana amazi no kumara igihe kirekire ifu.
Uruhare n'imikorere ya Redispersible Polymer Powder (RDP)
Uruhare rwibanze rwa Redispersible Polymer Powder (RDP) nuko rushobora gusubirwamo kugirango rukore emulisiyo nyuma yo kongeramo amazi, kandi rukaba rufite ibintu byingenzi bikurikira:
Gufata neza cyane: Kongera ubushobozi bwo guhuza ibifuniko hamwe nudusimba, kandi utezimbere imbaraga zihuza ibikoresho byubaka.
Kwiyoroshya no guhinduka: Kunoza ubworoherane bwikibiriti, kongera imbaraga zo kurwanya no kurwanya ingaruka.
Kurwanya amazi: Kongera imbaraga zamazi yibikoresho, bikwiriye gukoreshwa hanze cyangwa ahantu huzuye.
Kurwanya ikirere: Kunoza ibikoresho bya UV birwanya, kurwanya gusaza nibindi bintu, no kongera ubuzima bwa serivisi.
Kurwanya Crack: Ifite uburyo bwiza bwo guhangana kandi irakwiriye gukenera kurwanya ibikenerwa mumishinga yubwubatsi.
RDPikorwa muguhindura emulsion polymer mo ifu binyuze muburyo bukomeye. Ifite ibintu byinshi byiza kandi ikoreshwa cyane mubwubatsi, gutwikira, gufatira hamwe nindi mirima. Guhitamo no kugereranya ibiyigize bigira ingaruka ku mikorere yanyuma.
Igihe cyo kohereza: Werurwe-11-2025