Intangiriro kuri RDP-Isubirwamo rya Polymer Powder

Redispersible polymer powder (RDP) nifu ya polymer ikoreshwa mubikorwa bitandukanye mubikorwa byubwubatsi. RDP yabonetse mugukata spray yumuti wa polymer. Ikoreshwa cyane muri sisitemu ya sima kugirango itezimbere imiterere ya minisiteri nka adhesion, anti-water power and flexural strength.

RDP igizwe na polymers zitandukanye, zirimo vinyl acetate-Ethylene (VAE), styrene-butadiene (SB), Ethylene-vinyl chloride (EVC), n'inzoga za polyvinyl (PVA). Izi polymers zagenewe guhuzwa nubwoko butandukanye bwa binders nka sima, lime na gypsumu. Zikoreshwa muburyo butandukanye bwa porogaramu zirimo ibifata bya tile, ibingana-byo-kuringaniza, ibibyimba bitarinda amazi hamwe na sisitemu yo hanze ndetse na sisitemu yo kurangiza (EIFS).

Igikorwa cyo gukora RDP kigizwe nibyiciro bitatu byingenzi: polymerisation, emulisation hamwe no kumisha spray. Mu cyiciro cya polymerisation, monomers iba polymerized mubihe byihariye, nkubushyuhe, umuvuduko nigihe cyo kubyitwaramo. Ikwirakwizwa rya polymer ryatunganijwe neza hamwe na surfactants kugirango wirinde uduce duto duto. Mu cyiciro cya emulisifike, gukwirakwiza polymer biratunganywa kugirango bibe emuliyoni, hanyuma bigaterwa spray yumye kugirango ibone RDP. Mugihe cyo kumisha spray, amazi ava mumatonyanga ya emulsion, agakora uduce duto twa polymer. Ifu yavuyemo noneho irakusanywa hanyuma igapakirwa kubyoherezwa.

Imiterere ya RDP iterwa nibintu byinshi nkubwoko bwa polymer, ingano yingirakamaro hamwe nibigize imiti. Polimeri ikoreshwa cyane kuri RDP ni VAE, ifata neza kandi ikarwanya amazi. Ingano yubunini bwa RDP irashobora gutandukana kuva microne nkeya kugeza kuri milimetero nkeya, bitewe na progaramu. Ibigize imiti ya RDP birashobora kandi gutandukana bitewe nibintu byifuzwa. Kurugero, RDPs irashobora kuba irimo inyongeramusaruro nka plasitike, ikwirakwiza hamwe nubunini kugirango izamure imitungo yabo.

RDP ifite ibyiza byinshi kurenza ubundi bwoko bwa polymers bukoreshwa mubwubatsi. Kimwe mu byiza byingenzi nubushobozi bwacyo bwo gutukura mumazi. Ibi bivuze ko RDP ishobora kuvangwa namazi kugirango ikore emulisiyo ihamye, ishobora noneho gukoreshwa mubikorwa bitandukanye. Isubiranamo rya RDP riterwa nimiterere yimiti nubunini bwayo. Ibice bya RDP byashizweho kugirango bihuze amazi kandi bitatanye vuba iyo bivanze namazi.

Iyindi nyungu ya RDP nubushobozi bwayo bwo kunoza imikorere ya sisitemu ya sima. RDP irashobora kunoza guhuza hagati ya minisiteri na substrate, kugabanya kugabanuka no kongera imbaraga za minisiteri. Itera kandi imbaraga zo guhangana n’amazi ya minisiteri, ikarinda amazi kwinjira no kugabanya ingaruka z’ikirere.