Ulwakhiwo lwezorhwebo lwehlabathi kunye nobunjineli befacade bufuna izixhobo ezinokuqikelelwa kakhulu ukugcina ukuthembeka kwesakhiwo ixesha elide lokusebenza. Ukukhetha isisombululo sokuncamathelisa esifanelekileyo kudlala indima enkulu ekunciphiseni amatyala eprojekthi ezigidi zeerandi kubaphuhlisi bezindlu. Kangangamashumi eminyaka, abaphathi bokuthenga baxhomekeke kumaphepha edatha esisiseko yemveliso ukwenza izigqibo ezibalulekileyo zokuthenga kwiiprojekthi zokwakha ezixabisa kakhulu. Nangona kunjalo, iifacade zanamhlanje ezisebenzayo kakhulu zibonisa ukusasazwa koxinzelelo olunzima olufuna isakhelo sovavanyo oluhlalutyayo ngakumbi. Iinjineli zefacade ngoku zisebenzisa uphicotho olungqongqo lwabathengisi oluqhutywa yimilinganiselo ukuvavanya izinto eziluhlaza kunye nobuchule babathengisi. Ngenxa yoko, ukuchonga okwenyaniUmenzi weSilicone oPhambili weModulus engathathi hlangothi eTshayinaIfuna ukuqonda okunzulu kweempawu ezintlanu eziphambili zokusebenza. Ezi zibonakaliso zobugcisa ziphambili zahlula ii-sealants zorhwebo eziqhelekileyo kwiifomyula ze-elastomeric eziphezulu ezenzelwe iindawo ezixineneyo. Ii-sealants ze-silicone ezingathathi hlangothi eziphezulu ze-modulus zibonelela ngenkxaso ebalulekileyo yesakhiwo kwiindawo ezijikeleze ukufakelwa kodonga lwekhethini. Zidlulisela uxinzelelo lwe-mechanical ngokufanelekileyo, zivale ukungena kwamanzi, kwaye zifunxe ukungcangcazela okuqhubekayo okuvela kwimisebenzi yasezidolophini. Ke ngoko, isigaba seenkcukacha zezinto kufuneka sidlule kwizithembiso ze-brand ezingaphezulu kunye namabango okuthengisa ngokubanzi. Abacebisi bezakhiwo bakhetha inkqubo yokuvavanya esekwe kwi-empirical egxile ngokupheleleyo kwimida ye-mechanical yobungakanani kunye novavanyo lwefektri oluqinisekisiweyo. Le ndlela yokusebenza inciphisa kakhulu umngcipheko wobunjineli kwaye iqinisekisa ukuqina kwexesha elide kuphuhliso lwezidolophini oluxineneyo kwihlabathi liphela.
Ngaphezu koko, utshintsho lwehlabathi kwizakhiwo oluya kwiimvulophu ezinkulu zeglasi kunye ne-aluminium luqinisa iimfuno zomzimba kumalungu. Izitywina ezimelana nemozulu kufuneka zisebenze ngokuthembekileyo phantsi kwemijikelo enzima yokwanda kobushushu kunye noxinzelelo olukhulu lwendawo ngaphandle kokulahlekelwa kukunamathela. Xa amaqela obunjineli ehlola iqabane elinokubakho lokuvelisa, kufuneka ahlalutye ikhemistri yesiseko sesityalo semveliso. Ukusebenza okuphezulu kwentsimi kuvela kulawulo oluqinileyo malunga nokwakheka kwepolymer, ukufumana izinto eziluhlaza, kunye nokuhambelana kwe-molecular cross-linking. Ngenxa yoko, ishishini lokwakha lehlabathi lisebenzisa ezi milinganiselo mihlanu yobugcisa ephezulu ukudala isiseko esifanelekileyo, esingaxoxiswaniyo sokukhetha izinto eziphambili.
Iimpawu 1 kunye no-2: Ukuchithwa kwamandla okuThamba kunye nokuhambelana kwe-Substrate engangcolisiyo
Umlinganiselo wokuqala wokusebenza ugxile ekuchithekeni kwamandla okutsalwa kunye neempawu zokubuyisa i-elastic phantsi kwemithwalo yoomatshini eqhubekayo. Ii-silicone sealants eziphezulu zibonisa amandla aphezulu okutsalwa kwipesenti ezisezantsi zobude, nto leyo eyenza ukuba zilungele amalunga e-structural glazing. Xa amandla omoya anamandla ehlasela i-facade yorhwebo, i-silicone matrix kufuneka imelane nokutsalwa koomatshini ngaphandle kokufumana ubude obugqithisileyo. Le mpendulo iphezulu ye-modulus ithintela intshukumo yomzimba yeeyunithi zeglasi, ikhusela inkqubo yokwakheka kwangaphakathi ekonakaleni. Kwangaxeshanye, izinto kufuneka zibonise ukubuyiselwa okuphezulu kwe-elastic ukugcina ulungelelwaniso lwamalungu kumawaka emijikelo yokusebenza. Emva kokuba uxinzelelo lomoya luphelile, i-sealant ephilisiweyo kufuneka ibuyele kubukhulu bayo bokuqala ngaphandle kokuguquka okungapheliyo. I-Shanghai Junbond Advanced Chemicals Co., Ltd yenza ngcono le bhalansi yoomatshini ngobunjineli iinethiwekhi ze-polymer ezinobunzima obuphezulu ezimelana nokudinwa kwezinto. Olu yilo lwezinto oluchanekileyo luvumela i-sealant ukuba isasaze imithwalo enzima ye-multi-axial ngokulinganayo kuyo yonke i-perimeter ye-joint interface.
Umlinganiselo wesibini obalulekileyo ubandakanya ukuhambelana kwe-substrate engangcolisiyo kwizinto zokwakha ezahlukeneyo. Ii-sealants ze-silicone ze-acetoxy zemveli zikhupha i-acetic acid ngexesha lenkqubo yokulungisa, nto leyo ebangela ukugqwala okukhulu kwiintsimbi zesakhiwo ezinobuthathaka. Ke ngoko, uyilo lwe-facade lwanamhlanje luxhomekeke ngokupheleleyo kwi-neutral curing chemistry, edla ngokukhupha iimveliso ezingezizo ezihlaselayo ezifana nee-alcohols okanye ii-oximes. Oku kungakhethi cala kweekhemikhali kuqinisekisa ukuba i-sealant ihlala ihambelana ngokugqibeleleyo ne-aluminium egqunywe ngumgubo, intsimbi yesakhiwo, ilitye lezakhiwo, kunye neebhloko zekhonkrithi. Ukuba ifomyula yeekhemikhali inezizalisi ezingacocwanga, i-sealant inokubangela ukudaya kwamafutha okungapheliyo okanye ukuqhekezwa kwe-adhesive ngokuhamba kwexesha. Ukususa lo mngcipheko, abavelisi abaziingcali benza uvavanyo olubanzi lwe-matrix yokuhambelana kwi-substrates zeprojekthi ngaphambi kokuthumela izinto. Le nkqubo yovavanyo olucokisekileyo iqinisekisa ukuba akukho ziphumo zekhemikhali ezimbi ezenzekayo kwi-interface ebalulekileyo yokubopha, ikhusela isikhuselo sesakhiwo.
Isalathiso sesi-3: Ukuqinisekiswa koMgangatho woMsebenzi phantsi kwe-ASTM C920 kunye ne-ISO Standardization Matrices
Umlinganiselo wesithathu obalulekileyo uquka ukuqinisekiswa komthamo wokunyakaza phantsi kwemigangatho yemigangatho yehlabathi efana ne-ASTM C920 kunye nemigangatho ye-ISO. Ubuchule bokunyakaza bulawula ukuba ingakanani inkqubela okanye ukucutheka kwesakhiwo esinokuphathwa ngokukhuselekileyo lilungu kulo lonke ixesha lokusebenza kwalo. Umzekelo, iifomyula ezisebenzayo zifikelela kumanqaku eKlasi 25, iKlasi 35, okanye neKlasi 50, nto leyo ebonisa ukuguquguquka okuphezulu phantsi koxinzelelo loomatshini.iimveliso eziphezulu ze-silicone sealant ezingathathi cala eziphononongiweyo ngo-2026Igxininisa indlela ezi zilinganiso ezichaphazela ngayo ngokuthe ngqo ukubalwa kobungakanani beendawo zokwakha. Uhlu oluphezulu lokuhamba luvumela amaqela obunjineli ukuba ayile iiprofayili ezidibeneyo ezimxinwa nezithandekayo ngobuhle ngaphandle kokubeka emngciphekweni ukhuseleko loluntu. Ngokwahlukileyo koko, izinto ezikumgangatho ophantsi zihlala zibonisa ukukrazuka okudibeneyo kwangaphambi kwexesha xa ziphantsi kotshintsho oluphindaphindeneyo lwe-axial ngexesha lokutshintsha kobushushu bexesha lonyaka.
Ukuqinisekisa la manqanaba okunyakaza, iilabhoratri zovavanyo ezizimeleyo zenza amawaka emijikelo yoxinzelelo oluzenzekelayo phantsi kotshintsho olukhulu lobushushu. Izinto kufuneka zigcine ikhonkco lokuncamathelisa elingenasiphako kunye ne-substrate ngexesha lokulinganisa ukudinwa okuqhubekayo. I-Junbond ibeka imigca yayo yemveliso engathathi cala esemgangathweni kwezi protocol zobunjineli eziqinileyo ukuqinisekisa ukuthotyelwa kwemithetho yehlabathi. Olu lwazi lokuqinisekiswa olusebenzayo lubonelela ngokhuseleko olubalulekileyo kubacebisi bezakhiwo abasebenza kuyilo lwezakhiwo oluntsonkothileyo. Xa i-sealant igcina iipropati zayo ezithambileyo phantsi kokudinwa okujikelezayo, ikhusela umoya wangaphakathi ekungeneni komswakama. Ngenxa yoko, abaphathi bokuthenga bamazwe ngamazwe basebenzisa olu luhlu lwentshukumo oluqinisekisiweyo ukukhusela utyalo-mali lweziseko zophuhliso oluneengxaki ezinkulu ekuwohlokeni kwezinto kwangethuba.
Iimpawu 4 kunye no-5: Ukumelana ne-UV/Ozone yePhotochemical kunye noLawulo oluPhambili lwe-Rheological Thixotropy
Umlinganiselo wesine wokusebenza uhlalutya i-matrix yexesha elide lokusingqongileyo, ugxile ngokukodwa kwimitha ye-ultraviolet ye-photochemical kunye nokumelana ne-ozone. Iindawo eziphakamileyo zibeka amalungu okwakha kumandla elanga anamandla anokuqhekeza iibhondi ze-polymer ezisengozini. Iindlela ze-polyurethane ze-organic zibonisa i-backbones ye-carbon-carbon echaphazeleka kukuwohloka kwe-UV ngokukhawuleza, okukhokelela ekuqhekekeni okukhulu, ukuqhekeka, kunye nokuncipha. Ngokwahlukileyo koko, iifomyula ze-silicone ezingathathi cala ze-premium zisebenzisa uthotho lwe-siloxane oluyi-inorganic oluquka ii-athomu ze-silicon kunye ne-oxygen ezitshintshanayo. Olu lwakhiwo lwekhemikhali ye-silicon-oxygen lunamandla aphezulu okubopha ahlala ixesha elide kwi-UV yelanga kunye ne-ozone yomoya. Ukuqinisekisa olu zinzo lwexesha elide,I-Junbond (Shanghai Junbond Advanced Chemicals Co., Ltd)inyanzelisa uphicotho olungqongqo lomgangatho kuyo yonke ikhonkco layo lokubonelela ngezinto eziluhlaza. Iingcali zisusa ngononophelo ii-siloxanes ezinobunzima obuphantsi beemolekyuli ukuthintela ukuqhekeka kwe-polymer ngaphambi kwexesha phantsi kwelanga elithe ngqo.
Umlinganiselo wesihlanu nowokugqibela uvavanya ulawulo oluphambili lwe-rheological thixotropy ngexesha lesigaba sokufaka kwindawo yomsebenzi. Thixotropy ichaza amandla ezinto zokuhamba kakuhle phantsi koxinzelelo kodwa zihlale zizinzile xa uxinzelelo luyehla. Ngokwendlela esebenzayo, isitywini esisemgangathweni ophezulu kufuneka sibonise ukuwohloka okanye ukuhla xa abasebenzi besifaka kwiindawo ezinzulu ezithe nkqo. Olu lawulo lokuhamba oluchanekileyo luvumela izixhobo zokutywina ezimanzi ezingenasiphako kunye neeprofayili zejiyometri ezicocekileyo kuyo yonke ifacade yesakhiwo. Iinkqubo zokudibanisa izimboni kufuneka zifezekise ukusasazeka okuzinzileyo kwezizalisi zesakhiwo, ezifana ne-calcium carbonate ecociweyo okanye i-silica efumileyo. Imigca yokucubungula ezenzekelayo kwizakhiwo zokuvelisa ihlala ijonga amaqondo obushushu okuxuba angaphakathi kunye nemijikelo yokudambisa i-vacuum enezigaba ezininzi. Olu qwalaselo lwedijithali luqinisekisa ukuba yonke indawo yemveliso ibonisa ukuziphatha okufanayo kwe-thixotropic, isusa ngokupheleleyo ukwahluka kokufakwa kwindawo.
Ukukhusela Imvulophu Yesakhiwo: Ukuguqula Iimpawu Ezibalulekileyo Zibe Ziziqinisekiso Zeprojekthi Ezikhuselekileyo
Ukuqukumbela, ukuguqula imilinganiselo yobugcisa eqinisekisiweyo ibe ziziqinisekiso zeprojekthi ezikhuselekileyo kubonisa umgangatho ophezulu woxanduva lwenkampani. Abaphuhlisi bezindlu bamazwe ngamazwe kunye nabacebisi befacade bafuna ukucaca ngokupheleleyo kumaqabane abo okuhambisa izinto ukuze balawule amatyala. Ukufumana izisombululo ze-silicone kumvelisi oqinisekisiweyo yi-ISO kunciphisa kakhulu umngcipheko wokusebenza kwaye kukhusela abakhi kwimisebenzi yokulungisa ebiza kakhulu. Iinkampani ezidumileyo zakha ukuthembana kushishino ngokubonelela ngokufikelela okuvulekileyo kwiingxelo ezizimeleyo zokuchaza izinto kunye namaphepha edatha yobugcisa apheleleyo. I-Junbond ibonisa oku kuzibophelela ekugqweseni kobunjineli ngokusebenzisa indawo yayo enkulu yokuvelisa, equka iziseko ezisixhenxe zemveliso eziphambili ezigubungela iimitha zesikwere ezili-140,000. Olu buchule bukhulu buvumela inkampani ukuba ixhase uphuhliso lwezorhwebo lwehlabathi lonke ngelixa igcina ukuhambelana okungqongqo komgangatho.
Ngokugxila ngokupheleleyo kwiiparamitha zokusebenza koomatshini ezinokuqinisekiswa, iingcali zokuthenga zinokususa izixhobo ezikumgangatho ophantsi ngaphambi kokuba zingene kwindawo yokubonelela ngemisebenzi. Ukukhetha i-silicone engathathi hlangothi yemodulus ephezulu egqwesileyo kuzo zonke iindlela zobugcisa ezintlanu kuqinisekisa ukuthembeka kwesakhiwo seefacades zanamhlanje eziphakamileyo. Ekugqibeleni, i-bond engabonakaliyo ye-elastomeric imisela ukhuseleko lwexesha elide kunye nokuqina kokumelana nemozulu kwe-skyline yesixeko sehlabathi.
Ukuze ufumane ulwazi oluthe kratya malunga nezisombululo zoshishino, nceda undwendwele:https://www.junbond.com/.
Ixesha leposi: Juni-29-2026