Isishwankathelo:Eli phepha liphonononga impembelelo kunye nomthetho we-cellulose ether kwiimpawu eziphambili ze-adhesives zethayile ngokusebenzisa uvavanyo oluhambelanayo. Iinkalo eziphambili zokulungiswa kwayo zinokubaluleka okuthile ekubhekiseleni ekulungiseni ezinye iimpawu ze-adhesives zethayile.
Kule mihla, imveliso, ukucubungula kunye nokusetyenziswa kwe-cellulose ether kwilizwe lam kukwindawo ephambili kwihlabathi liphela. Uphuhliso olongezelelekileyo kunye nokusetyenziswa kwe-cellulose ether ngundoqo ekuphuhlisweni kwezixhobo zokwakha ezintsha kwilizwe lam. Ngophuhliso oluqhubekayo lwe-tile adhesives kunye nokuphuculwa okuqhubekayo kunye nokusebenza kwazo, ukukhethwa kweentlobo zesicelo se-mortar kwimarike yezixhobo zokwakha ezintsha kuye kwaphuculwa. Nangona kunjalo, indlela yokuphucula ngakumbi ukusebenza okuphambili kwe-tile adhesives iye yaba luphuhliso lwemarike ye-tile adhesive.
1. Vavanya izinto eziluhlaza
Isamente: Isamente eqhelekileyo ye-PO 42.5 Portland eyenziwe yiChangchun Yatai isetyenzisiwe kolu vavanyo.
Isanti yeQuartz: i-mesh engama-50-100 isetyenzisiwe kolu vavanyo, olwenziwe eDalin, e-Inner Mongolia.
Umgubo welatex ophinda uchitheke: I-SWF-04 isetyenzisiwe kolu vavanyo, iveliswe yiShanxi Sanwei.
Ifayibha yomthi: Ifayibha esetyenzisiweyo kolu vavanyo iveliswa zizixhobo zokwakha zaseChangchun Huihuang.
I-Cellulose ether: Olu vavanyo lusebenzisa i-methyl cellulose ether ene-viscosity engama-40,000, eyenziwe yiShandong Ruitai.
2. Indlela yovavanyo kunye nohlalutyo lweziphumo
Indlela yokuvavanya amandla e-tensile bond ibhekisa kwi-JC/T547-2005 eqhelekileyo. Ubungakanani besiqwenga sovavanyo yi-40mm x 40mm x 160mm. Emva kokuyila, yivumele ime ixesha eli-1d uze ususe i-formwork. Inyangwe kwibhokisi yokufuma engaguqukiyo kangangeentsuku ezingama-27, ibotshele intloko yokuzoba ngebhloko yovavanyo nge-epoxy resin, ize ibekwe kwibhokisi yobushushu obungaguqukiyo kunye nokufuma kubushushu obuyi-(23±2)°C kunye nokufuma okulinganiselweyo kwe-(50±5)%. 1d, Jonga isampuli ukuba ayinazimfanta ngaphambi kovavanyo. Faka i-fixture kumatshini wovavanyo lwe-tensile we-elektroniki oqhelekileyo ukuqinisekisa ukuba unxibelelwano phakathi kwe-fixture kunye nomatshini wovavanyo alugobekanga, tsala isampuli ngesantya se-(250±50) N/s, kwaye urekhode idatha yovavanyo. Ubungakanani besamente esetyenzisiweyo kolu vavanyo yi-400g, ubunzima bezinye izinto buyi-600g, umlinganiselo we-water-binder umiselwe kwi-0.42, kwaye uyilo oluhambelanayo (izinto ezi-3, amanqanaba ama-3) luyamkelwa, kwaye ezi zinto ziqulathe umxholo we-cellulose ether, umxholo we-rubber powder kunye nomlinganiselo wesamente kwisanti, ngokwemava ophando lwangaphambili ukumisela idosi ethile yento nganye.
2.1 Iziphumo zovavanyo kunye nohlalutyo
Ngokubanzi, izincamathelisi zethayile zilahlekelwa ngamandla okuxinana emva kokuntywiliselwa emanzini.
Kwiziphumo zovavanyo ezifunyenwe kuvavanyo lwe-orthogonal, kufumaniseke ukuba ukwandisa ubungakanani be-cellulose ether kunye ne-rubber powder kunokuphucula amandla e-tensile bond ye-adhesive yethayile ukuya kwinqanaba elithile, kwaye ukunciphisa umlinganiselo we-mortar kwisanti kunokunciphisa amandla ayo e-tensile bond, kodwa isiphumo sovavanyo 2 esifunyenwe kuvavanyo lwe-orthogonal asinakubonakalisa ngokubonakalayo impembelelo yezinto ezintathu kumandla e-tensile bond ye-ceramic tile adhesive emva kokuntywila emanzini kunye ne-tensile bond emva kwemizuzu engama-20 yokomiswa. Ke ngoko, ukuxoxa ngexabiso elihambelanayo lokwehla kwamandla e-tensile bond emva kokuntywila emanzini kunokubonakalisa ngcono impembelelo yezinto ezintathu kuyo. Ixabiso elihambelanayo lokwehla kwamandla limiselwa ngamandla e-tensile bond yokuqala kunye namandla e-tensile emva kokuntywila emanzini. Umlinganiselo womahluko kumandla e-tensile bond kumandla e-tensile bond yokuqala ubalwe.
Uhlalutyo lwedatha yovavanyo lubonisa ukuba ngokunyusa umxholo we-cellulose ether kunye nomgubo werabha, amandla e-tensile bond emva kokuntywiliselwa emanzini anokuphuculwa kancinci. Amandla e-bonding angama-0.3% aphezulu nge-16.0% kunalawo angama-0.1%, kwaye ukuphucuka kuyabonakala ngakumbi xa ubungakanani bomgubo werabha bunyuswa; Xa ubungakanani buyi-3%, amandla e-bonding ayanda nge-46.5%; ngokunciphisa umlinganiselo we-mortar kwisanti, amandla e-tensile bond okuntywiliselwa emanzini anokuncipha kakhulu. Amandla e-bond anciphe nge-61.2%. Kunokubonwa ngokubonakalayo kwiFigure 1 ukuba xa ubungakanani bomgubo werabha bunyuka ukusuka kwi-3% ukuya kwi-5%, ixabiso elihambelanayo lokwehla kwamandla e-bond liyanda nge-23.4%; ubungakanani be-cellulose ether buyanda ukusuka kwi-0.1% ukuya kwi-0.3%, ixabiso elihambelanayo lokwehla kwamandla e-bond liyanda nge-7.6%; ngelixa ixabiso elihambelanayo lamandla ebhondi linciphile nge-12.7% xa umlinganiselo webhondi nesanti wawuyi-1:2 xa uthelekiswa no-1:1. Emva kothelekiso kumfanekiso, kunokufunyaniswa ngokulula ukuba phakathi kwezi zinto zintathu, ubungakanani bomgubo webhulabha kunye nomlinganiselo webhondi nesanti zinempembelelo ecacileyo kumandla ebhondi yokutsalwa kokuntywiliselwa emanzini.
Ngokutsho kwe-JC/T 547-2005, ixesha lokomisa i-tile adhesive lingaphezulu okanye lilingane nemizuzu engama-20. Ukwandisa umxholo we-cellulose ether kunokwenza amandla e-tensile bond anyuke kancinci emva komoya imizuzu engama-20, kwaye umxholo we-cellulose ether yi-0.2%, 0.3%, xa kuthelekiswa nomxholo we-0.1%. Amandla adibeneyo anyuke nge-48.1% kunye ne-59.6% ngokwahlukeneyo; ukwandisa ubungakanani bomgubo webhulabha kunokwenza amandla e-tensile bond anyuke kancinci emva komoya kangange-20rain, ubungakanani bomgubo webhulabha yi-4%, 5%% xa kuthelekiswa ne-3%, amandla e-bond anyuke nge-19.0% kunye ne-41.4% ngokwahlukeneyo; ukunciphisa umlinganiselo we-mortar nesanti, amandla e-tensile bond emva kwemizuzu engama-20 yomoya anciphe kancinci kancinci, kwaye umlinganiselo we-mortar nesanti yayiyi-1:2 Xa kuthelekiswa nomlinganiselo we-mortar we-1:1, amandla e-tensile bond ancitshiswa nge-47.4%. Ukuqwalasela ixabiso elithelekisekayo lokuncipha kwamandla ayo okubopha kungabonakalisa ngokucacileyo impembelelo yezinto ezahlukeneyo, ngokusebenzisa ezi zinto zintathu, kunokufunyaniswa ngokucacileyo ukuba ixabiso elithelekisekayo lokwehla kwamandla okubopha okutsalwa emva kwemizuzu engama-20 yokomiswa, emva kwemizuzu engama-20 yokomiswa, impembelelo yomlinganiselo wodaka kumandla okubopha okutsalwa ayisabalulekile njengangaphambili, kodwa impembelelo yomxholo we-cellulose ether iyabonakala ngakumbi ngeli xesha. Ngokunyuka komxholo we-cellulose ether, ixabiso elithelekisekayo lamandla ayo liyancipha kancinci kancinci kwaye ijika lidla ngokuba thambileyo. Kuyabonakala ukuba i-cellulose ether inempembelelo entle ekuphuculeni amandla okubopha kwi-adhesive yethayile emva kwemizuzu engama-20 yokomiswa.
2.2 Ukumisela ifomula
Ngezi zilingo zingasentla, isishwankathelo seziphumo zoyilo lovavanyo lwe-orthogonal sifunyenwe.
Iqela leendibaniselwano i-A3 B1 C2 enentsebenzo egqwesileyo linokukhethwa kwisishwankathelo seziphumo zoyilo lovavanyo lwe-orthogonal, oko kukuthi, umxholo we-cellulose ether kunye nomgubo werabha yi-0.3% kunye ne-3%, ngokulandelanayo, kwaye umlinganiselo we-mortar kwisanti yi-1:1.5.
3. Isiphelo
(1) Ukwandisa ubungakanani be-cellulose ether kunye nomgubo werabha kunokunyusa amandla e-tensile bond ye-adhesive yethayile ukuya kwinqanaba elithile, ngelixa kunciphisa umlinganiselo we-mortar kwisanti, amandla e-tensile bond ayancipha, kwaye umlinganiselo we-mortar kwisanti. Isiphumo sobuninzi be-cellulose ether kwi-tensile bond strength ye-ceramic tile adhesive emva kokuntywiliselwa emanzini sibaluleke ngakumbi kunesiphumo sobungakanani be-cellulose ether kuyo;
(2) Ubungakanani be-cellulose ether bunempembelelo enkulu kumandla e-tensile bond ye-adhesive yethayile emva kwemizuzu engama-20 yokomiswa, nto leyo ebonisa ukuba ngokulungelelanisa ubungakanani be-cellulose ether, i-adhesive yethayile inokuphuculwa kakuhle emva kwemizuzu engama-20 yokomiswa. Emva kwamandla e-tensile bond;
(3) Xa ubungakanani bomgubo ngerabha buyi-3%, ubungakanani be-cellulose ether buyi-0.3%, kwaye umlinganiselo wodaka kwisanti yi-1:1.5, ukusebenza kwe-adhesive yethayile kungcono, eyona ilungileyo kolu vavanyo. Umxube olungileyo.
Ixesha lokuthumela: Februwari-23-2023