Ukwakhiwa kwezentengiselwano zomhlaba wonke kanye nobunjiniyela befaji kudinga izinto ezibikezelwayo kakhulu ukuze kugcinwe ubuqotho besakhiwo phakathi nesikhathi eside sokusebenza. Ukukhetha ikhambi lokunamathela elifanele kudlala indima enkulu ekunciphiseni izikweletu zephrojekthi eziyizigidi eziningi zabathuthukisi bezindlu. Sekungamashumi eminyaka abaphathi bokuthenga bethembele kumashidi edatha yomkhiqizo ayisisekelo ukuze benze izinqumo ezibalulekile zokuthenga amaphrojekthi okwakha anezingqinamba ezinkulu. Kodwa-ke, amafaji okwakha asezingeni eliphezulu anamuhla aveza ukusatshalaliswa okuyinkimbinkimbi kokucindezeleka okudinga uhlaka lokuhlola oluhlaziyayo. Onjiniyela befaji manje basebenzisa ukuhlolwa okuqinile kwabathengisi okuqhutshwa yi-metric ukuhlola izinto zokusetshenziswa kanye nekhono labaphakeli. Ngenxa yalokho, ukuhlonza iqinisoUmkhiqizi weSilicone Ohamba Phambili weModulus Ephakeme waseShayinaKudinga ukuqonda okujulile kwezilinganiso ezinhlanu zokusebenza eziyinhloko. Lezi zinkomba zobuchwepheshe ezibalulekile zihlukanisa ama-sealant avamile ezentengiselwano nezakhiwo ze-elastomeric eziphakeme ezenzelwe izindawo ezibucayi. Ama-sealant aphezulu e-silicone angathathi hlangothi ahlinzeka ngokusekelwa okubalulekile kwesakhiwo ezindaweni ezizungezile zokufakwa kodonga lwekhethini. Adlulisa ukucindezeleka kwemishini ngempumelelo, avimbele ukungena kwamanzi, futhi amunce ukudlidliza okuqhubekayo okuvela emisebenzini yasemadolobheni. Ngakho-ke, isigaba sokucaciswa kwezinto kumele sidlule izithembiso zomkhiqizo ezingasho lutho kanye nezimangalo zokumaketha ezijwayelekile. Abeluleki bezakhiwo bakhetha uhlelo lokuhlola olusebenzisa ubuchwepheshe olugxile ngokuphelele emingceleni yemishini yokulinganisa kanye nokuhlolwa kwefektri okuqinisekisiwe. Le ndlela yokuqapha inciphisa kakhulu izingozi zobunjiniyela futhi iqinisekisa ukuqina kwesikhathi eside kwentuthuko yasemadolobheni enobuningi obukhulu emhlabeni jikelele.
Ngaphezu kwalokho, ushintsho lokwakha emhlabeni wonke oluya ezimvilophini ezinkulu zeglasi ne-aluminium luqinisa izidingo zomzimba emajoyintini. Izimbozo ezingangenisi isimo sezulu kumele zisebenze ngokwethembeka ngaphansi kwemijikelezo enzima yokukhula kokushisa kanye nezingcindezi ezinkulu zendawo ngaphandle kokulahlekelwa ukunamathela. Lapho amaqembu onjiniyela ehlola umlingani wokukhiqiza ongaba khona, kumele ahlaziye ikhemistri eyisisekelo yesitshalo sokukhiqiza. Ukusebenza okuphezulu kwensimu kuvela ekulawuleni okuqinile ukwakheka kwe-polymer, ukutholakala kwezinto zokusetshenziswa, kanye nokuvumelana kokuxhumanisa kwama-molecule. Ngenxa yalokho, imboni yokwakha yomhlaba wonke isebenzisa lezi zilinganiso zobuchwepheshe ezinhlanu eziphezulu ukudala isisekelo esingenakuguqulwa, esingaxoxiswana ngaso sokukhetha izinto zekhwalithi ephezulu.
Izilinganiso 1 no-2: Ukushabalaliswa Kwamandla Okunamathela kanye Nokuhambisana Kokuxhumana Kwe-Substrate Okungonakalisi
Isilinganiso sokuqala sokusebenza sigxile ekushabalaleni kwamandla okudonsa kanye nezici zokubuyisa ukunwebeka ngaphansi kwemithwalo yemishini eqhubekayo. Ama-silicone sealant aphezulu abonisa amandla okudonsa aphezulu ngamaphesenti aphansi okuphakama, okwenza abe afanelekela amalunga e-glazing esakhiwo. Lapho amandla omoya anamandla ehlasela i-facade yezentengiselwano, i-silicone matrix kumele imelane nokudonswa kwemishini ngaphandle kokubhekana nokuphakama okweqile. Le mpendulo ephezulu ye-modulus ikhawulela ukunyakaza ngokomzimba kwamayunithi engilazi, ivikele uhlelo lohlaka lwangaphakathi ekulimaleni. Ngesikhathi esifanayo, izinto kumele zibonise ukubuyiselwa okuphezulu kwe-elastic ukuze kulondolozwe ukucushwa kwamalunga phakathi kwezinkulungwane zemijikelezo yokusebenza. Ngemva kokuba ukucindezela komoya kunciphile, i-sealant ephulukisiwe kumele ibuyele ezilinganisweni zayo zokuqala ngaphandle kokuguquka unomphela. I-Shanghai Junbond Advanced Chemicals Co., Ltd yenza ngcono leli bhalansi yemishini ngobunjiniyela bamanethiwekhi e-polymer aphezulu amelana nokukhathala kwezinto. Lo mklamo wezinto eziqondile uvumela i-sealant ukuthi isabalalise imithwalo esindayo ye-multi-axial ngokulinganayo kuyo yonke indawo ye-interface ye-joint.
Isilinganiso sesibili esibucayi sihilela ukuhambisana kwe-substrate okungonakalisi izinto zokwakha ezahlukahlukene. Ama-sealant e-silicone e-acetoxy yendabuko akhipha i-acetic acid ngesikhathi sokusika, okubangela ukugqwala okukhulu ezinsimbini zesakhiwo ezizwelayo. Ngakho-ke, ukwakheka kobuso besimanje kuncike ngokuphelele kumakhemikhali okusika angathathi hlangothi, avame ukukhipha imikhiqizo engeyona eyobudlova njenge-alcohols noma ama-oximes. Lokhu kungathathi hlangothi kwamakhemikhali kuqinisekisa ukuthi i-sealant ihlala ihambisana ngokuphelele ne-aluminium embozwe ngempuphu, insimbi yesakhiwo, itshe lezakhiwo, namabhulokhi ekhonkrithi. Uma ukwakheka kwamakhemikhali kuqukethe ama-fillers angacwengiwe, i-sealant ingabangela ukudaya kwamafutha okuhlala njalo noma ukuhlukanisa okunamathelayo ngokuhamba kwesikhathi. Ukuze kuqedwe le ngozi, abakhiqizi abangochwepheshe benza ukuhlolwa okubanzi kwe-matrix yokuhambisana kuma-substrates ephrojekthi yangempela ngaphambi kokuthumela izinto. Le nqubo yokuhlola ejulile iqinisekisa ukuthi akukho ukusabela kwamakhemikhali okungekuhle okwenzekayo esibonakalayo sokubopha esibucayi, okuvikela isivikelo sesakhiwo.
Isilinganiso 3: Ukuqinisekiswa Kwamandla Okunyakaza Ngaphansi Kwe-ASTM C920 kanye ne-ISO Standardization Matrices
Isilinganiso sesithathu esibalulekile sihlanganisa ukuqinisekiswa komthamo wokunyakaza ngaphansi kwezindinganiso zomhlaba wonke ezifana nezindinganiso ze-ASTM C920 kanye ne-ISO. Amandla okunyakaza anquma ukuthi ilunga lingabhekana nokukhula noma ukufinyela okungakanani ngokuphephile kuyo yonke impilo yalo yokusebenza. Isibonelo, ukwakheka kokusebenza okuphezulu kufinyelela izilinganiso ze-Class 25, Class 35, noma ngisho ne-Class 50, okubonisa ukuguquguquka okuphezulu ngaphansi kokucindezelwa komshini. Ukubukezaimikhiqizo ephezulu ye-silicone sealant engathathi hlangothi ibuyekezwe ngo-2026Kugqamisa indlela lezi zilinganiso ezithinta ngayo ngqo izibalo zobukhulu bamalunga okwakha. Ukuhlukaniswa kokunyakaza okuphezulu kuvumela amaqembu onjiniyela ukuthi aklame amaphrofayili amalunga amancane, ajabulisayo ngobuhle ngaphandle kokubeka engcupheni ukuphepha komphakathi. Ngokuphambene nalokho, izinto ezisezingeni eliphansi zivame ukukhombisa ukudabuka okuhlangene ngaphambi kwesikhathi lapho zibhekene nokushintshashintsha okuphindaphindiwe kwe-axial ngesikhathi sokushintsha kwezinga lokushisa kwesizini.
Ukuze kuqinisekiswe lezi zilinganiso zokunyakaza, amalabhorethri okuhlola azimele enza izinkulungwane zemijikelezo yokucindezela okuzenzakalelayo ngaphansi kokushintshashintsha okukhulu kokushisa. Izinto kumele zigcine isibopho esinamathelayo esingenaphutha ne-substrate phakathi nalezi zindlela zokulingisa ukukhathala okuqhubekayo. I-Junbond ibeka imigqa yayo yomkhiqizo engathathi hlangothi esezingeni eliphezulu kulezi zinqubo zobunjiniyela eziqinile ukuqinisekisa ukuthobela imithetho yomhlaba wonke. Le datha yokuqinisekisa eqinisekisiwe inikeza isivikelo esibalulekile sokuphepha kwabeluleki bezakhiwo abasebenza emiklamo yezakhiwo eziyinkimbinkimbi zejometri. Lapho i-sealant igcina izakhiwo zayo ezinwebekayo ngaphansi kokukhathala okujikelezayo, ivikela imbobo yesimo sezulu sangaphakathi ekungeneni komswakama. Ngenxa yalokho, abaphathi bokuthenga bamazwe ngamazwe basebenzisa lezi zigaba zokunyakaza eziqinisekisiwe ukuvikela ukutshalwa kwezimali kwengqalasizinda okuyingozi kakhulu ekuwohlokeni kwezinto zakuqala.
Izilinganiso 4 no-5: Ukumelana ne-UV/Ozone nge-Photochemical kanye nokulawulwa kwe-Rheological Thixotropy okuthuthukisiwe
Isilinganiso sokusebenza sesine sihlaziya i-matrix yokuphila isikhathi eside kwemvelo, sigxile kakhulu emisebeni ye-ultraviolet ye-photochemical kanye nokumelana ne-ozone. Izindawo eziphakeme kakhulu ziveza amalunga okwakha emandleni elanga anamandla angaphula izibopho ze-polymer eziphilayo ezisengozini. Ezinye izindlela ze-polyurethane ze-organic zifaka i-backbone ye-carbon-carbon ehlushwa ukuwohloka kwe-UV okusheshayo, okuholela ekuqhekekeni okukhulu, ekuqhekekeni, nasekuncipheni. Ngokuphambene nalokho, amafomula e-silicone angathathi hlangothi asezingeni eliphezulu asebenzisa uchungechunge lwe-siloxane olungeyona i-organic oluqukethe ama-athomu e-silicon ne-oxygen ashintshanayo. Lesi sakhiwo samakhemikhali se-silicon-oxygen sinamandla aphezulu okubopha asinda kalula ekuchayweni isikhathi eside kwe-UV yelanga kanye ne-ozone yomoya. Ukuqinisekisa lokhu kuzinza kwesikhathi eside,I-Junbond (Shanghai Junbond Advanced Chemicals Co., Ltd)iphoqelela ukuhlolwa kwekhwalithi okuqinile kulo lonke uchungechunge lwayo lokuhlinzekwa kwezinto zokusetshenziswa ezingavuthiwe. Ochwepheshe basusa ngokucophelela ama-siloxanes anesisindo esincane sama-molecule ukuze bavimbele ukuwohloka kwe-polymer ngaphambi kwesikhathi ngaphansi kwelanga eliqondile.
Isilinganiso sesihlanu nesokugcina sihlola ukulawulwa kwe-rheological thixotropy okuthuthukisiwe ngesikhathi sesigaba sokufaka endaweni yokusebenza. I-Thixotropy ichaza ikhono lento yokugeleza kahle ngaphansi kwengcindezi kodwa ihlale izinzile lapho ingcindezi yehla. Ngokwemibandela engokoqobo, i-sealant esezingeni eliphezulu kumele ibonise ukuwohloka noma ukugoba okungemi mpo lapho abasebenzi beyifaka emajoyintini ajulile aqondile. Lokhu kulawulwa kokugeleza okunembile kuvumela amathuluzi okuvala amanzi angenasici kanye namaphrofayili ejiyometri ahlanzekile kuwo wonke umugqa wesakhiwo. Izinhlelo zokuhlanganisa izimboni kumele zifeze ukusabalala okuzinzile kakhulu kwezigcwalisi zesakhiwo, njenge-calcium carbonate elashwe noma i-silica efumile. Imigqa yokucubungula ezenzakalelayo ezindaweni zokukhiqiza ihlala iqapha amazinga okushisa okuxuba angaphakathi kanye nemijikelezo yokususa i-vacuum enezigaba eziningi. Lokhu kubhekwa kwedijithali kuqinisekisa ukuthi yonke indawo yokukhiqiza ibonisa ukuziphatha okufanayo kwe-thixotropic, isusa ngokuphelele ukuhlukahluka kokufakwa endaweni.
Ukuvikela Imvilophu Yesakhiwo: Ukuguqula Izilinganiso Eziyisisekelo zibe Iziqinisekiso Zephrojekthi Ezivikelekile
Ekuphetheni, ukuguqula izilinganiso zobuchwepheshe ezingokoqobo zibe iziqinisekiso zephrojekthi ezivikelekile kumelela izinga eliphakeme kakhulu lomthwalo wemfanelo wenkampani. Abathuthukisi bezindlu bamazwe ngamazwe kanye nabeluleki befashini badinga ukucaca okuphelele kubalingani babo bezinto zokwakha ukuze baphathe izikweletu. Ukuthola izixazululo ze-silicone kumkhiqizi oqinisekisiwe yi-ISO kunciphisa kakhulu ingozi yokusebenza futhi kuvikela osonkontileka emisebenzini yokulungisa ebizayo. Izinkampani ezinedumela elihle zakha ukwethenjwa kwemboni ngokunikeza ukufinyelela okuvulekile emibikweni yokuhlukaniswa kwezinto ezizimele kanye namaphepha edatha obuchwepheshe aphelele. I-Junbond ikhombisa lokhu kuzibophezela ekusebenzeni kahle kobunjiniyela ngokusebenzisa indawo yayo enkulu yokukhiqiza, ehlanganisa izisekelo eziyisikhombisa zokukhiqiza ezithuthukisiwe ezihlanganisa amamitha-skwele angu-140,000. Lo mthamo omkhulu uvumela inkampani ukuthi isekele intuthuko yezentengiselwano yomhlaba wonke enomthamo omkhulu ngenkathi igcina ukuhambisana kwekhwalithi okuqinile.
Ngokugxila ngokuphelele kumapharamitha okusebenza kwemishini aqinisekisiwe, ochwepheshe bokuthenga bangasusa izinto ezisezingeni eliphansi ngaphambi kokuba bangene eketangeni lokuhlinzeka ngomsebenzi. Ukukhetha i-silicone engathathi hlangothi ye-modulus ephezulu ehamba phambili kuzo zonke izilinganiso zobuchwepheshe ezinhlanu kuqinisekisa ubuqotho besakhiwo sezakhiwo zanamuhla eziphakeme. Ekugcineni, isibopho esingabonakali se-elastomeric sinquma ukuphepha kwesikhathi eside kanye nokuqina kokumelana nesimo sezulu kwe-skyline yasemadolobheni yomhlaba wonke.
Ukuze uthole ulwazi olwengeziwe mayelana nezixazululo zezimboni, sicela uvakashele:https://www.junbond.com/.
Isikhathi sokuthunyelwe: Juni-29-2026