I-Redispersible polymer powder (RDP) iyisengezo se-polymer esibalulekile ezintweni zokwakha zesimanje futhi isetshenziswa kabanzi kuma-adhesives amathayili ukuthuthukisa amandla abo okubopha, ukuguquguquka nokuqina.
1. Uhlolojikelele lwempushana ye-polymer edispersible
I-polymer powder ehlakazeka kabushaiyimpushana egeleza mahhala eyenziwe nge-emulsion ngenqubo yokumisa isifutho. Ingaphinde ihlakazwe ibe yi-polymer dispersion efana ne-emulsion yasekuqaleni ngemva kokuxhumana namanzi. Izinhlobo ezivamile ze-latex powder zihlanganisa i-ethylene-vinyl acetate copolymer (EVA), i-acrylates, i-ethylene-acrylate copolymer (VAE), njll. Ngenxa yokuqina kwayo okuhle kwesitoreji, ukunethezeka kokuthutha kanye nokwakhiwa, isetshenziswa kabanzi ezintweni zodaka ezixutshwe owomile, ikakhulukazi kuma-adhesives tile. Idlala indima ebalulekile.
2. Indima ye-Redispersible polymer powder kuma-adhesive tile
Izinamatheliso zamathayela ziwudaka oluxutshwe okomile olusetshenziselwa ukunamathisela amathayili ebusweni besisekelo, esingakhiwa ngokungeza amanzi. Udaka lukasimende lwendabuko lunobubi bokuncipha okukhulu namandla okubopha aphansi, okwenza kube nzima ukuhlangabezana nezidingo zezakhiwo zesimanje zokunamathela okuqinile kanye nokusetshenziswa kwezinto eziyisisekelo ezihlukahlukene. Ukwethulwa kwe-Redispersible polymer powder kuye kwathuthukisa kakhulu izakhiwo ezibonakalayo nokusebenza kokwakhiwa kwezinamathelisi zamathayili, ikakhulukazi kulezi zici ezilandelayo:
Amandla okubopha athuthukisiwe: Izinhlayiya ze-polymer kumpushana we-latex zakha isakhiwo senethiwekhi esinezinto ze-inorganic gelling (ezifana nosimende), okuthuthukisa ukulunywa ngomshini nokubopha ngamakhemikhali phakathi kwe-adhesive ye-tile kanye ne-tile kanye ne-substrate, ngaleyo ndlela ithuthukise ngokuphawulekayo amandla okubopha.
Thuthukisa ukuguquguquka nokuphikiswa kokuqhekeka: Izakhiwo eziguquguqukayo ze-polymer zinikeza i-adhesive amandla aphezulu okuguqula, ingakwazi ukudonsa ukuguqulwa okuncane okubangelwa ukushintsha kwezinga lokushisa, ukudluliswa kwengcindezi, njll, futhi kunciphise ingozi yokuqhekeka. Ifaneleka ikakhulukazi amathayela anosayizi omkhulu nezisekelo eziguquguqukayo.
Thuthukisa ukusebenza kokwakhiwa: I-Redispersible polymer powder inika ingcina yethayela isikhathi eside esivulekile, ukugcinwa kahle kwamanzi kanye nokuthambisa, okulula ukuthi izisebenzi zokwakha zisebenze futhi zithuthukise ukusebenza kahle kwesakhiwo.
Ukumelana kwamanzi okuthuthukisiwe kanye nokumelana nokuncibilika kweqhwa: Ifilimu eyakhiwe i-polymer ngemva kokwelapha inokumelana namanzi okuhle kakhulu kanye nokumelana nesimo sezulu, ukuze okunamathelayo kwamathayili kusengakwazi ukugcina ukusebenza okuzinzile endaweni enomswakama noma eshintshashintsha isimo sezulu.
3. Ukusetshenziswa kanye nezinyathelo zokuphepha
Enqubweni yokukhiqiza ama-adhesives we-tile, i-polymer e-Redispersible powder ngokuvamile ixutshwa nezinto ze-powder ezomile ezifana nosimende, isihlabathi se-quartz, i-cellulose ether, njll ngokulingana ukwenza ingxube eyomile. Engeza amanzi ahlanzekile futhi ugovuze ngaphambi kokusetshenziswa endaweni yokwakha. Umthamo wayo ngokuvamile u-2% ~ 10% yenani eliphelele le-adhesive powder eyomile, futhi ilungiswa ngokuvumelana nezinga lokusebenza elidingekayo (njenge-C1, C2, S1, S2 level).
Amaphuzu alandelayo kufanele aqashelwe lapho usebenzisa:
Gwema ukugcina endaweni eshisa kakhulu kanye nomswakama ophezulu: i-latex powder kulula ukuyihlanganisa uma imanzi, futhi kufanele ivalwe futhi igcinwe endaweni eyomile.
Ukuhlolwa kokuhambisana nezinye izixube: Amanye amakhemikhali kufomula angase athinte ukusebenza kwe-latex powder, futhi ukuhambisana kufanele kuqinisekiswe ngokuhlolwa kokuqala.
Hlanganisa ngokulinganayo: Hlanganisa kahle ngaphambi kokwakhiwa ukuze uhlakaze ngokugcwele i-latex powder futhi uqinisekise ukuthi imisebenzi yayo yenziwa ngokugcwele.
4. Amathemba Entuthuko
Njengoba izinto zokwakha ziqhubeka nokuthuthuka zibheke eziqondisweni eziluhlaza, ezinobungani nemvelo nezisebenzayo, iisicelo seI-polymer powder ehlakazeka kabushakuma-adhesives we-tileliya ngokuya lisabalele, ikakhulukazi ezakhiweni ezonga ugesi nezingangeni imvelo kanye nezakhiwo ezakhiwe ngaphambili. Ukwengeza, ucwaningo nokuthuthukiswa kwe-latex powder kuphinde kuqhubekele ekusebenzeni okuphezulu, njengokuthuthukisa i-VOC ephansi, ukuguquguquka okuphezulu, kanye nemikhiqizo eyomisa ngokushesha ukuze kuhlangatshezwane nezidingo zezimo ezihlukahlukene zohlelo lokusebenza.
Njengento eguquliwe esebenza kahle kakhulu enamathela kuthayela, i-Redispersible polymer powder inezinzuzo ezibalulekile ekuthuthukiseni ukunamathela komkhiqizo, ukuguquguquka, nokumelana namanzi. Ukukhetha okunengqondo nokusetshenziswa kwesayensi kwe-latex powder kungathuthukisa kakhulu ikhwalithi yokwakha nokuqina kokugandaywa kwamathayela. Ngokuthuthuka kwesayensi yezinto zokwakha kanye nokuthuthuka kobuchwepheshe bokwakha, izindawo zayo zokusebenza nokusebenza kuzokwandiswa futhi kwenziwe ngcono.
Isikhathi sokuthumela: May-08-2025