Isifinyezo:Leli phepha lihlola ithonya kanye nomthetho we-cellulose ether ezimpahleni eziyinhloko zezinamathiseli zethayela ngokusebenzisa izivivinyo ezihambisanayo. Izici eziyinhloko zokwenza ngcono kwayo zinokubaluleka okuthile kokubhekisela ekulungiseni ezinye izakhiwo zezinamathiseli zethayela.
Kulezi zinsuku, ukukhiqizwa, ukucubungula kanye nokusetshenziswa kwe-cellulose ether ezweni lakithi kusezingeni eliphezulu emhlabeni. Ukuthuthukiswa okuqhubekayo kanye nokusetshenziswa kwe-cellulose ether kuyisihluthulelo sokuthuthukiswa kwezinto zokwakha ezintsha ezweni lakithi. Ngokuthuthuka okuqhubekayo kwezinamathiseli zamathayili kanye nokwenza ngcono okuqhubekayo kanye nokuthuthukiswa kokusebenza kwazo, ukukhethwa kwezinhlobo zokusetshenziswa kodaka emakethe yezinto zokwakha ezintsha kuye kwacebiswa. Kodwa-ke, indlela yokwenza ngcono ukusebenza okuyinhloko kwezinamathiseli zamathayili ibe yindlela entsha yokuthuthukiswa kwemakethe yezinamathiseli zamathayili.
1. Hlola izinto zokusetshenziswa
Usimende: Usimende ojwayelekile we-PO 42.5 we-Portland owenziwe yi-Changchun Yatai wasetshenziswa kulolu vivinyo.
Isihlabathi se-quartz: i-mesh engu-50-100 sisetshenziswe kulolu vivinyo, olwenziwe eDalin, e-Inner Mongolia.
Impuphu ye-latex ephinde ihlakazeke: I-SWF-04 isetshenziswe kulolu vivinyo, olukhiqizwe yiShanxi Sanwei.
I-fiber yokhuni: I-fiber esetshenziswe kulolu vivinyo ikhiqizwa yi-Changchun Huihuang Building Materials.
I-Cellulose ether: Lokhu kuhlolwa kusebenzisa i-methyl cellulose ether ene-viscosity engu-40,000, ekhiqizwe yiShandong Ruitai.
2. Indlela yokuhlola kanye nokuhlaziywa kwemiphumela
Indlela yokuhlola yamandla esibopho sokudonswa ibhekisela ku-JC/T547-2005 ejwayelekile. Usayizi wengxenye yokuhlola ingu-40mm x 40mm x 160mm. Ngemva kokwakheka, yiyeke ime isikhathi esingu-1d bese ususa ifomu. Ipholiswe ebhokisini lomswakama elingaguquki izinsuku ezingu-27, ibophe ikhanda lokudweba ngebhulokhi yokuhlola nge-epoxy resin, bese ilibeka ebhokisini lokushisa elingaguquki kanye nomswakama ekushiseni okungu-(23±2)°C kanye nomswakama ohlobene ongu-(50±5)%. 1d, Hlola isampula ukuze ibone imifantu ngaphambi kokuhlolwa. Faka i-fixture emshinini wokuhlola we-electronic tensile ojwayelekile ukuqinisekisa ukuthi ukuxhumana phakathi kwe-fixture nomshini wokuhlola akugobile, donsa isampula ngesivinini esingu-(250±50) N/s, bese uqopha idatha yokuhlola. Inani lesimende elisetshenziswe kulolu vivinyo lingu-400g, isisindo esiphelele sezinye izinto singama-600g, isilinganiso se-water-binder sizinzile ku-0.42, futhi kwamukelwa umklamo oqondile (izici ezi-3, amazinga ama-3), futhi lezi zici ziwukuqukethwe kwe-cellulose ether, okuqukethwe yimpuphu yerabha kanye nesilinganiso sesimende nesihlabathi, ngokusho kolwazi lwangaphambilini locwaningo ukuze kunqunywe umthamo othize wesici ngasinye.
2.1 Imiphumela yokuhlolwa kanye nokuhlaziywa
Ngokuvamile, izinti zokunamathisela amathayili zilahlekelwa amandla okubopha okuqinile ngemva kokucwiliswa emanzini.
Kusukela emiphumeleni yokuhlolwa etholwe ukuhlolwa kwe-orthogonal, kungatholakala ukuthi ukwandisa inani le-cellulose ether kanye ne-rubber powder kungathuthukisa amandla e-tensile bond ye-adhesive yethayela ngezinga elithile, futhi ukunciphisa isilinganiso se-mortar nesihlabathi kunganciphisa amandla ayo e-tensile bond, kodwa umphumela wokuhlolwa 2 otholwe ukuhlolwa kwe-orthogonal awukwazi ukukhombisa ngokwemvelo umthelela wezici ezintathu emandleni e-tensile bond ye-ceramic tile adhesive ngemva kokucwiliswa emanzini kanye ne-tensile bond ngemva kwemizuzu engama-20 yokomiswa. Ngakho-ke, ukuxoxa ngenani elihlobene lokwehla kwamandla e-tensile bond ngemva kokucwiliswa emanzini kungabonisa kangcono ithonya lezici ezintathu kuyo. Inani elihlobene lokwehla kwamandla linqunywa amandla e-tensile bond yokuqala kanye namandla e-tensile ngemva kokucwiliswa emanzini. Isilinganiso somehluko emandleni e-tensile bond okuqala sibaliwe.
Ukuhlaziywa kwedatha yokuhlola kukhombisa ukuthi ngokwandisa okuqukethwe kwe-cellulose ether kanye nempuphu yerabha, amandla e-tensile bond ngemva kokucwiliswa emanzini angathuthukiswa kancane. Amandla e-bonding angu-0.3% aphezulu ngo-16.0% kunangu-0.1%, futhi ukuthuthuka kusobala kakhulu lapho inani lempuphu yerabha likhuliswa; Uma inani lingu-3%, amandla e-bonding anda ngo-46.5%; ngokunciphisa isilinganiso se-mortar nesihlabathi, amandla e-tensile bond okucwiliswa emanzini angancishiswa kakhulu. Amandla e-bond ancishiswe ngo-61.2%. Kungabonakala ngokwemvelo ku-Figure 1 ukuthi lapho inani lempuphu yerabha likhula lisuka ku-3% liye ku-5%, inani elihlobene lokwehla kwamandla e-bond likhuphuka ngo-23.4%; inani le-cellulose ether likhuphuka lisuka ku-0.1% liye ku-0.3%, inani elihlobene lokwehla kwamandla e-bond likhuphuka ngo-7.6%; kuyilapho inani elilinganiselwe lamandla esibopho lehla ngo-12.7% lapho isilinganiso sesibambo nesihlabathi sasingu-1:2 uma siqhathaniswa no-1:1. Ngemva kokuqhathaniswa esithombeni, kungatholakala kalula ukuthi phakathi kwezici ezintathu, inani lempuphu yerabha kanye nesilinganiso sesibambo nesihlabathi kunethonya elisobala kakhulu emandleni esibopho sokudonswa kokucwiliswa emanzini.
Ngokusho kwe-JC/T 547-2005, isikhathi sokomisa se-tile adhesive sikhulu noma silingana nemizuzu engama-20. Ukwandisa okuqukethwe kwe-cellulose ether kungenza amandla e-tensile bond akhuphuke kancane kancane ngemva kokuphefumula imizuzu engama-20, kanti okuqukethwe kwe-cellulose ether kungu-0.2%, 0.3%, uma kuqhathaniswa nokuqukethwe okungu-0.1%. Amandla ahlangene akhuphuke ngo-48.1% no-59.6% ngokulandelana; ukwandisa inani lempuphu yerabha kungenza futhi amandla e-tensile bond akhuphuke kancane kancane ngemva kokuphefumula imvula engama-20, inani lempuphu yerabha lingu-4%, 5%% uma kuqhathaniswa no-3%, amandla e-bond akhuphuke ngo-19.0% no-41.4% ngokulandelana; ukunciphisa isilinganiso se-mortar nesihlabathi, amandla e-tensile bond ngemva kwemizuzu engama-20 yokuphefumula anciphe kancane kancane, kanti isilinganiso se-mortar nesihlabathi sasingu-1:2 Uma kuqhathaniswa nesilinganiso se-mortar esingu-1:1, amandla e-tensile bond ancishiswa ngo-47.4%. Uma ubheka inani elilinganiselwe lokwehla kwamandla esibopho salo kungabonisa ngokucacile ithonya lezici ezahlukahlukene, ngalezi zici ezintathu, kungatholakala ngokusobala ukuthi inani elilinganiselwe lokwehla kwamandla esibopho sokudonswa ngemva kwemizuzu engama-20 yokomiswa, ngemva kwemizuzu engama-20 yokomiswa, umthelela wesilinganiso se-mortar emandleni esibopho sokudonswa awusabalulekile njengangaphambili, kodwa umphumela wokuqukethwe kwe-cellulose ether usobala kakhulu ngalesi sikhathi. Njengoba okuqukethwe kwe-cellulose ether kukhuphuka, inani elilinganiselwe lamandla alo liyehla kancane kancane futhi ijika livame ukuba mnene. Kungabonakala ukuthi i-cellulose ether inomphumela omuhle ekuthuthukiseni amandla esibopho se-adhesive yethayela ngemva kwemizuzu engama-20 yokomiswa.
2.2 Ukunqunywa kwefomula
Ngokusebenzisa izivivinyo ezingenhla, kutholakale isifinyezo semiphumela yomklamo wokuhlola we-orthogonal.
Iqembu lezinhlanganisela i-A3 B1 C2 elinokusebenza okuhle kakhulu lingakhethwa kusukela ekufinyezweni kwemiphumela yomklamo wokuhlolwa kwe-orthogonal, okungukuthi, okuqukethwe kwe-cellulose ether kanye nempuphu yerabha kungu-0.3% kanye no-3%, ngokulandelana, kanti isilinganiso se-mortar nesihlabathi singu-1:1.5.
3. Isiphetho
(1) Ukwandisa inani le-cellulose ether kanye nempuphu yerabha kungandisa amandla esibopho sokudonseka kwe-adhesive yethayili ngezinga elithile, kuyilapho kunciphisa isilinganiso se-mortar nesihlabathi, amandla esibopho sokudonseka ayancipha, kanye nesilinganiso se-mortar nesihlabathi. Umphumela wenani le-cellulose ether emandleni esibopho sokudonseka kwe-adhesive yethayili ye-ceramic ngemva kokucwiliswa emanzini ubaluleke kakhulu kunomphumela wenani le-cellulose ether kuyo;
(2) Inani le-cellulose ether linethonya elikhulu emandleni okubopha okudonseka kwe-adhesive yethayela ngemva kwemizuzu engama-20 yokomiswa, okubonisa ukuthi ngokulungisa inani le-cellulose ether, i-adhesive yethayela ingathuthukiswa kahle ngemva kwemizuzu engama-20 yokomiswa. Ngemva kwamandla okubopha okudonsekayo;
(3) Uma inani lempuphu yerabha lingu-3%, inani le-cellulose ether lingu-0.3%, kanti isilinganiso se-mortar nesihlabathi singu-1:1.5, ukusebenza kwe-adhesive yethayela kungcono, okuyinto engcono kakhulu kulolu vivinyo. Inhlanganisela enhle yezinga.
Isikhathi sokuthunyelwe: Feb-23-2023