Impuphu ye-putty yodonga yangaphakathi neyangaphandle, inhlaka yethayela, i-ejenti yokukhomba amathayela, i-ejenti yokuxhumana yempuphu eyomile, i-ejenti yokuvikela ukushisa yangaphandle yezindonga zangaphandle, i-mort ezenzela yona, i-mort yokulungisa, i-mort yokuhlobisa, i-mort engangeni manzi i-mort yangaphandle ehlanganisiwe neyomile.
Ku-mortar, iwukuthuthukisa ubuthakathaka, i-modulus ephezulu yokunwebeka kanye nobunye ubuthakathaka be-mortar yendabuko yesimende, kanye nokunikeza i-mortar yesimende ukuguquguquka okungcono kanye namandla okubopha okuqinile, ukuze imelane futhi ilibazise ukukhiqizwa kwemifantu ye-mortar yesimende. Njengoba i-polymer kanye ne-mortar zakha isakhiwo senethiwekhi esihlanganayo, kwakheka ifilimu ye-polymer eqhubekayo ema-pores, eqinisa ukubopha phakathi kwama-aggregates futhi ivimbele amanye ama-pores ku-mortar, ngakho-ke i-mortar eguquliwe ngemva kokuqina ingcono kune-mortar yesimende. Kukhona intuthuko enkulu.
Indima yempuphu ye-latex ephinde ihlakazeke ku-putty itholakala kakhulu kulezi zici ezilandelayo:
1. Thuthukisa ukunamathela kanye nezakhiwo zemishini ze-putty. I-Redispersible latex powder iyi-powder adhesive eyenziwe nge-emulsion ekhethekile (i-polymer ephezulu yama-molecule) ngemva kokomiswa nge-spray. Le mpuphu ingaphinde ihlakazeke ngokushesha ibe yi-emulsion ngemva kokuthintana namanzi, futhi inezakhiwo ezifanayo ne-emulsion yokuqala, okungukuthi, ingakha ifilimu ngemva kokuba amanzi ehwamuka. Le filimu inokuguquguquka okuphezulu, ukumelana nesimo sezulu okuphezulu kanye nokumelana nokunamathela okuphezulu kuma-substrate ahlukahlukene. Ngaphezu kwalokho, i-hydrophobic latex powder ingenza i-mortar ingangeni manzi kakhulu.
2. Thuthukisa ukuhlangana kwe-putty, ukumelana okuhle kakhulu, ukumelana ne-alkali, ukumelana nokuguguleka, futhi uthuthukise amandla okuguquguquka.
3. Thuthukisa ukungangenwa kwamanzi kanye nokuvuleka kwe-putty.
4. Thuthukisa ukugcinwa kwamanzi kwe-putty, wandise isikhathi sokuvula, futhi uthuthukise ukusebenza kahle.
5. Thuthukisa ukumelana komthelela we-putty futhi uthuthukise ukuqina kwe-putty.
2. Indima yempuphu ye-latex ephinde ihlakazeke ekunamathiseleni ithayela itholakala kakhulu kulezi zici ezilandelayo:
1. Njengoba inani lesimende landa, amandla okuqala esinamathelisi sethayela ayanda. Ngesikhathi esifanayo, amandla esinamathelisi sokuthamba ngemva kokucwiliswa emanzini kanye namandla esinamathelisi sokuthamba ngemva kokuguga kokushisa nawo ayanda. Inani lesinamathelisi kufanele libe ngaphezu kuka-35%.
2. Njengoba inani lempuphu ye-latex ephinde ihlakazeke, amandla esibopho sokudonseka ngemva kokucwiliswa emanzini kanye namandla esibopho sokudonseka ngemva kokuguga kokushisa kwe-adhesive yethayela ayanda ngokufanele, kodwa amandla esibopho sokudonseka ngemva kokuguga kokushisa ayanda ngokusobala.
3. Ngokwanda kwenani le-cellulose ether, amandla okunamathela okunamathelayo kwe-tile anamathelayo ngemva kokuguga okushisa ayanda, futhi amandla okunamathela okunamathelayo ngemva kokucwiliswa emanzini ayanda kuqala bese ehla. Umphumela uba ngcono kakhulu uma okuqukethwe kwe-cellulose ether kucishe kube ngu-0.3%.
Uma sisebenzisa i-latex powder ephinde ihlakazeke, kufanele sinake inani lokusetshenziswa, ukuze ikwazi ukudlala indima yayo ngempela.
Isikhathi sokuthunyelwe: Juni-05-2023