Impuphu ye-putty iyinto yokwakha evame ukusetshenziswa, esetshenziselwa kakhulu ukulinganisa udonga, ukugcwalisa imifantu kanye nokunikeza indawo ebushelelezi yokupenda nokuhlobisa okulandelayo. I-Cellulose ether ingenye yezithasiselo ezibalulekile kumpuphu ye-putty, ezingathuthukisa kakhulu ukusebenza kokwakhiwa kanye nekhwalithi yempuphu ye-putty. Lesi sihloko sizokwethula ngokuningiliziwe ukusetshenziswa okuqondile kwama-cellulose ethers kumpuphu ye-putty kanye nokubaluleka kwayo embonini yokwakha.
1. Izakhiwo eziyisisekelo kanye nemisebenzi yama-cellulose ethers
I-Cellulose ether uhlobo lwe-polymer compound encibilikayo emanzini etholakala ngokuguqulwa kwamakhemikhali kusetshenziswa i-cellulose yemvelo njengezinto zokusetshenziswa. Isakhiwo sayo sama-molecule siqukethe inani elikhulu lamaqembu e-hydrophilic (njenge-hydroxyl, i-methoxy, njll.), okunikeza i-cellulose ether ukuncibilika kwamanzi okuhle kanye nekhono lokujiya. Ekusetshenzisweni kwe-putty powder, indima ebalulekile ye-cellulose ether ibonakala kakhulu kulezi zici ezilandelayo:
Umphumela wokujiya
I-cellulose ether ingakhulisa kakhulu i-viscosity ye-putty powder slurry, yenze ibe ne-thixotropy enhle kanye nokuqina, ngaleyo ndlela kube lula ukwakhiwa. Ngaphezu kwalokho, ingalungisa futhi izakhiwo ze-rheological ze-slurry ukuvimbela i-putty powder ukuthi ingagelezi noma ishelele odongeni, iqinisekise inqubekela phambili ebushelelezi yokwakhiwa.
Ukugcinwa kwamanzi
Ukugcinwa kwamanzi okuphezulu kwe-cellulose ether kungenye yezici zayo ezibalulekile uma isetshenziswa ku-putty powder. Ngesikhathi senqubo yokwakha, ngemva kokuba i-putty powder isetshenziswe odongeni, ukuhwamuka kwamanzi kungabangela ukuthi i-putty powder yome futhi ihlubuke. I-cellulose ether ingalibazisa ngempumelelo ukulahleka kwamanzi, okubangela ukuthi i-slurry ikhiphe amanzi kancane kancane ngesikhathi senqubo yokomisa, ngaleyo ndlela kuthuthukiswe ukunamathela kwe-putty, kugweme ukoma nokuqhekeka, futhi kuqinisekiswe ukuthi ubuso bodonga bubushelelezi.
Thuthukisa ukusebenza kahle
Ukuba khona kwe-cellulose ether kuthuthukisa kakhulu ukusebenza kokwakhiwa kwe-putty powder. Isibonelo, kungathuthukisa ukuguquguquka kwe-putty, okwenza kube lula ngabasebenzi bokwakha ukuklwebha i-putty ngokulinganayo. Ngaphezu kwalokho, i-cellulose ether inganciphisa nokukhiqizwa kwama-bubbles ebusweni be-putty futhi ithuthukise ukushelela, ngaleyo ndlela ithuthukise umphumela wokuhlobisa.
Nweba amahora okuvula
Ekwakhiweni, isikhathi sokuvula i-putty powder, okungukuthi, isikhathi kusukela ekusetshenzisweni kuya ekomeni nasekuqineni kwezinto, kuyipharamitha ebalulekile abasebenzi bokwakha abayinakayo. I-cellulose ether ingandisa isikhathi sokuvula i-putty, inciphise amalunga kanye nokungalingani ngesikhathi sokwakha, ngaleyo ndlela ithuthukise ubuhle bodonga.
2. Ukusetshenziswa kwe-cellulose ether ezimweni ezahlukene ze-putty powder
I-putty yangaphakathi yodonga
Ekusetshenzisweni kwe-putty yangaphakathi yodonga, i-cellulose ether ayithuthukisi nje kuphela ukusebenza kahle, kodwa futhi ingalungisa ukugeleza nokunamathela kwe-putty ukuqinisekisa ukushelela nokunamathela kobuso bodonga. Ngaphezu kwalokho, ukusebenza okuphezulu kokugcinwa kwamanzi kwe-cellulose ether kungavimbela i-putty ekuqhekekeni ngenxa yokuhwamuka kwamanzi ngokushesha ngesikhathi senqubo yokufaka, futhi ifanele izidingo zokuzinza zesikhathi eside ezindaweni ezomile zangaphakathi.
I-putty yodonga yangaphandle
I-wall putty yangaphandle idinga ukumelana nesimo sezulu okunamandla kanye nokumelana nokuqhekeka, ngoba ubuso bodonga lwangaphandle buzothinteka yisimo sezulu, umehluko wokushisa kanye nezinye izici. Ukusetshenziswa kwe-cellulose ether ku-wall putty yangaphandle kungathuthukisa kakhulu ukugcinwa kwamanzi, ukumelana nokuqhekeka kanye nokunamathela, okuvumela ukuthi ivumelane nezinguquko endaweni yangaphandle futhi yandise impilo yayo yesevisi. Ngaphezu kwalokho, i-cellulose ether ingasiza futhi i-putty ukuthi ithuthukise ukumelana kwayo ne-UV, ukumelana nokuqandisa kanye nezinye izakhiwo, ukuze i-wall putty yangaphandle ikwazi ukugcina izakhiwo zomzimba ezizinzile ngaphansi kwezimo zangaphandle.
i-putty engangeni manzi
I-putty engangeni manzi ifanelekela izindawo ezinomswakama ophezulu njengezindlu zangasese namakhishi, futhi idinga ukungabi namanzi okuphezulu kanye nokumelana namanzi kwe-putty. I-cellulose ether ingathuthukisa ukusebenza kokungabi namanzi kwe-putty ngesisekelo sokuqinisekisa ukunamathela kwayo okuhle nokusebenza kahle. Ngaphezu kwalokho, imiphumela yokuqina nokugcina amanzi ye-cellulose ether yenza i-putty engangeni manzi igcine ukuzinza okuhle ezindaweni ezinomswakama ophezulu futhi igweme izinkinga zesikhunta ezindongeni.
I-putty yokuhlobisa ephezulu
I-putty yokuhlobisa ephezulu inezidingo eziphezulu kakhulu zokusicaba nokucwebezela, futhi ivame ukusetshenziswa ezindaweni zokuhlala ezisezingeni eliphezulu, amahhotela nakwezinye izindawo. I-cellulose ether ingasiza ekucwengisiseni izinhlayiya ze-putty, ithuthukise ukushelela kwendawo, ithuthukise ukuguquguquka nokusebenza kahle kwe-putty, inciphise amabhamuza kanye nemithungo, yenze umphumela wokuhlobisa uphelele kakhudlwana, futhi ihlangabezane nezidingo zokuhlobisa zezindawo ezisezingeni eliphezulu.
3. Ukukhetha kobuchwepheshe kwe-cellulose ether ku-putty powder
Ngokwezidingo zokusetshenziswa kanye nezidingo zokusebenza ezahlukene ze-putty powder, ama-cellulose ether alandelayo avame ukusetshenziswa embonini yokwakha:
I-Hydroxypropyl methylcellulose (HPMC)
I-HPMC iyisengezo sokwakha esivame ukusetshenziswa kakhulu esinemiphumela emihle yokugcina amanzi kanye nokuqina. Isetshenziswa kabanzi ezintweni zokwakha ezifana ne-wall putty yangaphakathi neyangaphandle, izinamathiseli zethayela, kanye ne-plastering mortars. Ingathuthukisa ukumelana nokugoba kanye nokusebenza kahle kwe-putty powder, futhi ifaneleka kakhulu ezidingweni ze-putty ene-viscosity ephezulu.
I-Hydroxyethylmethylcellulose (HEMC)
I-HEMC inamandla okugcina amanzi kahle kakhulu kanye nokuzinza, ikakhulukazi ezindaweni eziphansi kwezinga lokushisa, futhi isakwazi ukugcina ukuncibilika okuhle, ngakho-ke ifaneleka ukusetshenziswa ku-putty yangaphandle yodonga. Ngaphezu kwalokho, i-HEMC inomphumela omuhle kakhulu ekuthuthukiseni ukusabalala kanye nokufana kwempuphu ye-putty, okwenza ubuso bube bushelelezi futhi bube bushelelezi ngemva kokumbozwa.
I-Carboxymethyl cellulose (CMC)
I-CMC iyisithambisi esincibilika emanzini. Nakuba inezici zokugcina amanzi eziphansi kanye nokungaboli, izindleko zayo ziphansi. Ivame ukusetshenziswa ku-putty powder engadingi ukugcinwa kwamanzi amaningi futhi ifanele ukusetshenziswa kwe-wall putty yangaphakathi.
4. Amathemba kanye nezitayela zama-cellulose ethers embonini ye-putty powder
Ngokuthuthuka okuqhubekayo kwemboni yokwakha, izidingo zabantu zekhwalithi, ukuvikelwa kwemvelo kanye nobuhle bezinto zokuhlobisa ziye zanda kancane kancane, futhi amathuba okusetshenziswa kwama-cellulose ethers aye anda kakhulu. Enkambisweni yentuthuko yesikhathi esizayo yemboni ye-putty powder, ukusetshenziswa kwe-cellulose ether kuzogxila kulezi zici ezilandelayo:
Okuluhlaza futhi okunobungani nemvelo
Njengamanje, izinto zokwakha ezinobungani nemvelo ziyindaba eshisayo embonini yokwakha. Njengezinto ze-polymer ezithathwe ku-cellulose yemvelo, i-cellulose ether ihambisana nomqondo wokuvikelwa kwemvelo okuluhlaza futhi inganciphisa ngempumelelo ukungcola kokuhlobisa. Esikhathini esizayo, kuzothuthukiswa futhi kusetshenziswe imikhiqizo ye-cellulose ether ephansi kakhulu (ama-compounds e-volatile organic) kanye nemikhiqizo ye-cellulose ether esebenza kahle kakhulu.
Kusebenza kahle futhi kuhlakaniphile
Ukuthuthukiswa okuqhubekayo kwe-cellulose ether kwenza i-putty powder ikwazi ukugcina ukusebenza okuzinzile ezindaweni eziyinkimbinkimbi. Isibonelo, ngokusebenzisa ukwenziwa ngcono kwesakhiwo sama-molecule kanye nokwengezwa kwezithasiselo, i-putty powder inezici ezizivumelanisa nezimo kakhulu kanye nezindlela zokuziphilisa, okwenza izinto zokwakha zibe nobuhlakani futhi zisebenze kahle.
Ukuguquguquka
Ngenkathi kuthuthukiswa izakhiwo eziyisisekelo ze-putty powder, ama-cellulose ethers angenza futhi i-putty powder ibe nemisebenzi eyengeziwe efana nokulwa namagciwane, i-anti-mildew, kanye ne-anti-UV ukuze kuhlangatshezwane nezidingo zezimo ezikhethekile zokusetshenziswa.
Ukusetshenziswa kwe-cellulose ether ku-putty powder akugcini nje ngokuthuthukisa ukusebenza kokwakhiwa kanye nokuqina kwe-putty powder, kodwa futhi kuthuthukisa kakhulu umphumela wokuhlobisa udonga, kuhlangatshezwane nezidingo zesakhiwo sesimanje sokusicaba kodonga, ukushelela kanye nokuqina. . Ngokuthuthuka okuqhubekayo komkhakha wokwakha, ukusetshenziswa kwe-cellulose ethers ku-putty powder kuzoba kukhulu kakhulu, kusunduze izinto zokuhlobisa isakhiwo ekusebenzeni okuphezulu kanye nokuvikelwa kwemvelo.
Isikhathi sokuthunyelwe: Novemba-01-2024