Ukuhlaziywa Kokumelana Nesimo Sezulu kwe-RDP ku-Thermal Insulation Mortar

Impuphu yePolymer Ephinde Ihlakazeke (RDP), njenge-adhesive engokwemvelo ebalulekile ezinhlelweni zesimanje zokushisa, ikakhulukazi kuthuthukisa amandla okubopha kodaka, ukuguquguquka, ukumelana nokuqhekeka, kanye nokusebenza kahle. Kodwa-ke, ezinhlelweni zokushisa zangaphandle ezivezwe ezindaweni eziyinkimbinkimbi njengokukhanya kwelanga, imvula, imijikelezo yokushisa, kanye nokuguguleka komoya isikhathi eside, ukumelana nesimo sezulu kwe-RDP kuba yinto ebalulekile enquma impilo yesevisi yesistimu. Ukuhlaziya izici zokwakha ifilimu, isakhiwo se-polymer, kanye nomthelela esakhiweni esincane se-RDP sodaka kuvumela ukuhlolwa okuhlelekile kokuqina kokumelana nesimo sezulu kodaka lokushisa.

1.Ukumelana nesimo sezulu kwe-RDP ku-thermal insulation mortar ngokuyinhloko kuvela esakhiweni sayo senethiwekhi ye-polymer ngemva kokwakheka kwefilimu. I-RDP ngokuvamile yakhiwe izinhlelo ze-polymer ezifana ne-ethylene-vinyl acetate (VAE) nama-acrylates, anokuguquguquka okuhle kanye nokumelana nokuguga kwe-UV. Lapho i-RDP ihlakazeka kabusha ngesikhathi senqubo yokuqina kwe-mortar futhi ihlangana nezinto ezingezona izinto eziphilayo, yakha ifilimu ye-polymer eqhubekayo ezimbotsheni ze-mortar kanye naphezu kobuso obuhlanganisiwe. Le filimu encane ayigcini nje ngokuthuthukisa ukunamathela kwe-interfacial kodwa futhi ithuthukisa ukumelana namanzi kanye nokumelana nokuqandisa kwesistimu ye-mortar, okwenza ikwazi ukugcina ukusebenza okuzinzile ngesikhathi sokujikeleza kokushisa isikhathi eside.

2.I-RDP inegalelo elikhulu ekumelaneni nokuqhekeka kwe-thermal insulation mortar kanye nokuguquguquka kwayo, ngaleyo ndlela ithuthukise ukumelana kwayo nesimo sezulu. Izinhlelo zokuvimbela udonga lwangaphandle zithambekele ekukhuleni kokushisa kanye nokucindezeleka kokufinyela ngenxa yokwehluka okukhulu kokushisa kwangaphandle. Uma i-mortar, njengesendlalelo esivikelayo, ingenakho ukuguquguquka, isengozini enkulu yokuqhekeka okuncane, okuvumela amanzi emvula ukuthi angene futhi kusheshise ukuguga. Ukuqina kwefilimu ye-RDP kumunca ngempumelelo ukucindezeleka, kunciphisa ukugcwala kokucindezeleka kwangaphakathi okubangelwa ukuguqulwa kwe-substrate noma izinguquko zokushisa, ngaleyo ndlela kunciphisa ukwakheka kwe-crack futhi kuthuthukise ukuzinza okuphelele kwesakhiwo se-mortar ngaphansi kwezimo zesevisi yangaphandle yesikhathi eside.

3.Ukuthuthukiswa kwe-RDP ekumelaneni namanzi kwe-mortar nakho kuyisibonakaliso esibalulekile sokumelana nesimo sezulu. I-mortar yokushisa kufanele igcine izinga eliphansi lokumuncwa kwamanzi ezindaweni ezimanzi noma ezinomswakama. Ukungangeni kahle kwamanzi kwefilimu ye-polymer ye-RDP kunciphisa kakhulu ukumuncwa kwamanzi e-capillary, kuvimbela izindlela zokungena kwamanzi, futhi kunciphisa amathuba okulimala kokuqandisa nokuncibilika. Izifundo zikhombisile ukuthi ukwengeza inani elifanele le-RDP ku-mortar yokushisa kunganciphisa izinga lokumuncwa kwamanzi ngo-30% kuya ku-50%, futhi kuthuthukise izinga lokugcina amandla ayo ngemva kokucwiliswa emanzini isikhathi eside, ngaleyo ndlela kuqinisekiswe ukuqina kwesakhiwo sesistimu.

4.Ukuthuthukiswa kwe-RDP ekubunjweni kwesakhiwo esincane se-mortar nakho kuthuthukisa ukumelana kwayo nokuguga. Ngemva kokuhlakazeka, izinhlayiya ze-polymer zigcwalisa izikhala phakathi kwemikhiqizo yokumanzisa usimende, zithuthukise ukusatshalaliswa kosayizi we-pore futhi zidale isakhiwo esifanayo nesiminyene ngaphakathi kwe-mortar. Lokhu kuqina akugcini nje ngokuthuthukisa izakhiwo zemishini kodwa futhi kwenza i-mortar imelane kakhulu nezinto ezingcolisayo zangaphandle (njenge-carbon dioxide kanye nosawoti we-chloride), ngaleyo ndlela yandisa impilo yesevisi yesistimu yokushisa.

5.Kuyaphawuleka ukuthi izinhlobo ezahlukene ze-RDP ziyahlukahluka ekumelaneni kwazo nesimo sezulu. Isibonelo, i-VAE-RDP eguquguqukayo inokumelana okungcono kokuqandisa nokuncibilika kanye nokumelana nokuqhekeka; kuyilapho i-RDP ye-acrylic emsulwa isebenza kangcono maqondana nokumelana nokuguga kwe-UV kanye nokumelana nokuphuzi. Ngakho-ke, ekusetshenzisweni okusebenzayo, uhlobo olufanele kanye nenani le-RDP kufanele kukhethwe ngokusekelwe ezicini zesistimu yokushisa yokushisa, indawo yokwakha, kanye nokuphila komklamo.

6.Izinzuzo zokumelana nesimo sezuluI-RDPKu-thermal insulation mortar kubonakala kakhulu ekuzinzeni kwesakhiwo esakha ifilimu, ukuguquguquka okuthuthukisiwe, ukumelana kwamanzi okuthuthukisiwe, kanye nesakhiwo esincane esithuthukisiwe. Lezi zici ziyenza ikwazi ukumelana ngempumelelo nomonakalo obangelwa ukushintsha kwesimo sezulu isikhathi eside kodonga lwangaphandle, ngaleyo ndlela ithuthukise kakhulu ukuqina kwayo yonke indawo kanye nokuphila kwenkonzo yesistimu yokuvikela yangaphandle.