Impuphu ye-latex—Thuthukisa ukuhambisana nokushelela kwesistimu esimweni sokuxuba esimanzi. Ngenxa yezici ze-polymer, ukuhlangana kwezinto zokuxuba ezimanzi kuthuthuka kakhulu, okufaka isandla kakhulu ekusebenzeni kahle; ngemva kokomisa, kunikeza ukunamathela engqimbeni yobuso obubushelelezi nobuminyene. I-Relay, ithuthukise umphumela wokuxhumana wesihlabathi, amatshe, kanye nama-pores. Ngaphansi kwesisekelo sokuqinisekisa inani lokwengeza, ingafakwa ifilimu esixhumini, ukuze i-tile glue ibe nokuguquguquka okuthile, yehlise i-elastic modulus, futhi imunce ukucindezeleka kokuguquguquka kokushisa ngezinga elikhulu. Uma kwenzeka ukucwiliswa emanzini esigabeni sakamuva, kuzoba nokucindezeleka okufana nokumelana namanzi, izinga lokushisa le-buffer, kanye nokuguquguquka kwezinto ezingaguquki (i-tile deformation coefficient 6×10-6/℃, i-cement concrete deformation coefficient 10×10-6/℃), futhi ithuthukise ukumelana nesimo sezulu. I-Hydroxypropyl Methyl Cellulose HPMC—Ihlinzeka ngokugcinwa kwamanzi okuhle kanye nokusebenza kahle kwe-mortar entsha, ikakhulukazi endaweni emanzi. Ukuze kuqinisekiswe inqubekela phambili ebushelelezi yokusabela komswakama, kungavimbela i-substrate ekumuncweni kwamanzi ngokweqile kanye nokuhwamuka kwengqimba engaphezulu. Ngenxa yesakhiwo sayo sokungenisa umoya (1900g/L—-1400g/LPO400 isihlabathi 600HPMC2), ubuningi be-adhesive yethayela buyancishiswa, okusindisa izinto futhi kunciphisa i-modulus enwebekayo yodaka oluqinile.
Impuphu ye-latex enamathelayo ephinde ihlakazeke ngethayela iwuphawu lokwakha oluluhlaza, olunobungani nemvelo, olugcina amandla, olusezingeni eliphezulu, futhi luyisithasiselo esibalulekile nesibalulekile somsebenzi wodaka oluxutshwe okomile. Ingathuthukisa ukusebenza kodaka, yandise amandla odaka, yandise amandla okubopha phakathi kodaka nezindawo ezahlukahlukene, ithuthukise ukuguquguquka nokusebenza kahle, amandla okucindezela, amandla okuguquguquka, ukumelana nokuguguleka, ukuqina, kanye nokuthamba kodaka. Amandla okudlulisa nokugcina amanzi, ukwakheka. Ukusebenza kodaka lwe-latex enamathelayo ephinde ihlakazeke ngethayela kunamandla kakhulu, kanti i-latex enamathelayo ephinde ihlakazeke ngethayela inekhono eliphezulu lokubopha kanye nezakhiwo ezihlukile. Ngakho-ke, ububanzi bokusetshenziswa kwabo bubanzi kakhulu. Indima ye-hydroxypropyl methylcellulose idlala indima yokugcina amanzi, ukuqina kanye nokusebenza kokwakha esigabeni sokuqala, kanti i-latex enamathelayo ephinde ihlakazeke ngethayela idlala indima yamandla esigabeni esilandelayo, edlala indima enhle kakhulu ekuqineni, ukumelana ne-asidi kanye ne-alkali yephrojekthi. Umphumela we-tile adhesive powder ephinde ihlakazeke ku-mortar entsha: ukwandisa isikhathi sokusebenza nokulungisa isikhathi ukuze kuthuthukiswe ukusebenza kokugcinwa kwamanzi, ukuze kuqinisekiswe ukuthi usimende umanzi futhi kuthuthukiswe ukumelana nokuwa (i-rubber powder ekhethekile eguquliwe) futhi kuthuthukiswe ukusebenza kahle (kulula ukuyisebenzisa i-Substrate ukwakhiwa okuphezulu, kulula ukucindezela amathayili ku-adhesive) indima ye-mortar eqinile inokunamathela okuhle ezindaweni ezahlukene, kufaka phakathi ukhonkolo, i-plaster, ukhuni, amathayili amadala, i-PVC ngisho nangaphansi kwezimo zezulu ezahlukahlukene, inekhono elihle lokuguquguquka.
Ukwengezwa kwempuphu ye-latex ephinde ihlakazeke yezinamathiseli zethayela kunomthelela osobala kakhulu ekuthuthukisweni kokusebenza kwezinamathiseli zethayela ezisekelwe kusimende, futhi kunomthelela omkhulu emandleni okubopha, ukumelana namanzi, kanye nokumelana nokuguga kwe-glue. Njengamanje, kunezinhlobo eziningi zezinhlayiya ze-latex eziphinde zihlakazeke zezinamathiseli zethayela emakethe, njengempuphu ye-latex ephinde ihlakazeke ye-acrylic, izinhlayiya ze-styrene-acrylic, izinhlayiya ze-vinyl acetate-ethylene, njll. Ngokuvamile, izinhlayiya zethayela ezisetshenziswa ezinhlayiyeni zethayela emakethe Izinhlayiya eziningi ze-latex eziphinde zihlakazeke yi-vinyl acetate-ethylene copolymers.
(1) Njengoba inani lesimende landa, amandla okuqala empuphu ye-latex ephinde ihlakazeke ye-tile ayanda, futhi ngesikhathi esifanayo, amandla e-tensile anamathelayo ngemva kokucwiliswa emanzini kanye namandla e-tensile anamathelayo ngemva kokuguga kokushisa nawo ayanda.
(2) Njengoba kwanda inani lempuphu ye-latex ephinde ihlakazeke ye-adhesive yethayela, amandla e-tensile bond yempuphu ye-latex ephinde ihlakazeke ye-adhesive yethayela ngemva kokucwiliswa emanzini kanye namandla e-tensile bond ngemva kokuguga kokushisa anda ngokufanele, kodwa ukuguga kokushisa Ngemva kwalokho, amandla e-tensile bond anda kakhulu.
Ngenxa yezici zayo ezinhle zokuhlobisa nokusebenza njengokuqina, ukumelana namanzi kanye nokuhlanza okulula, amathayili e-ceramic asetshenziswa kabanzi: kufaka phakathi izindonga, phansi, ophahleni kanye namachibi okubhukuda, njll., futhi angasetshenziswa ngaphakathi nangaphandle. Indlela yendabuko yokunamathisela amathayili yindlela yokwakha enezingqimba ezijiyile, okungukuthi, qala ngokufaka udaka olujwayelekile ngemuva kwamathayili, bese ucindezela amathayili engqimbeni eyisisekelo. Ubukhulu beleyali lodaka bungaba ngu-10 kuya ku-30mm. Nakuba le ndlela ifaneleka kakhulu ekwakheni ezisekelweni ezingalingani, izinkinga ukusebenza kahle okuphansi kwamathayili okufaka amathayili, izidingo eziphezulu zobuchule bezisebenzi kwezobuchwepheshe, ingozi eyengeziwe yokuwa ngenxa yokuguquguquka okungekuhle kodaka, kanye nobunzima bokulungisa udaka endaweni yokwakha. Ikhwalithi ilawulwa ngokuqinile. Le ndlela ifanele kuphela amathayili anezinga eliphezulu lokumuncwa kwamanzi. Ngaphambi kokunamathisela amathayili, amathayili kudingeka acwiliswe emanzini ukuze athole amandla anele okubopha.
Njengamanje, indlela yokufaka amathayili esetshenziswa kabanzi eYurophu yindlela ebizwa ngokuthi indlela yokunamathela engqimbeni encane, okungukuthi, ibhetshi yokunamathela yethayili eguquliwe nge-polymer iklwejwa ebusweni besendlalelo sesisekelo ukuze ifakwe amathayili kusengaphambili nge-spatula enamazinyo ukuze kwakhiwe imivimbo ephakanyisiwe. Futhi isendlalelo se-mortar sobukhulu obufanayo, bese ucindezela amathayili kuso bese ujika kancane, ubukhulu besendlalelo se-mortar bungaba ngu-2 kuya ku-4mm. Ngenxa yokuguqulwa kwe-cellulose ether kanye ne-latex powder ephinde ihlakazeke, ukusetshenziswa kwalesi sinamathiselo sethayili kusebenza kahle ekuhlanganiseni izinhlobo ezahlukene zezendlalelo zesisekelo kanye nezendlalelo zobuso kufaka phakathi amathayili agcwele i-vitrified anomuncwa wamanzi aphansi kakhulu, futhi inokuguquguquka okuhle, ukuze imunce ukucindezeleka okubangelwa yizici ezifana nokwehluka kwezinga lokushisa, kanye nokumelana okuhle kakhulu kokugoba, isikhathi eside ngokwanele sokwakha isendlalelo esincane, okungasheshisa kakhulu isivinini sokwakha, kulula ukusebenza futhi asikho isidingo sokumanzisa amathayili kusengaphambili emanzini. Le ndlela yokwakha kulula ukuyisebenzisa futhi kulula ukuyifeza ukulawula ikhwalithi yokwakha endaweni.
Isikhathi sokuthunyelwe: Disemba 12-2022