Imboni yokwakha yomhlaba wonke ibhekene noshintsho olushintshayo njengoba iziqondiso zemvelo zidweba kabusha imingcele yokuphepha kwezinto ezibonakalayo kanye nokuthobela imithetho. Ama-polyurethane endabuko kanye nama-silicone sealant ajwayelekile abhekana nezithiyo eziqinile zomthetho ngenxa yokwakheka kwawo kwamakhemikhali kanye nokukhishwa kwe-organic okuguquguqukayo. Ngenxa yalokho, amaqembu okuthenga amazwe ngamazwe kanye nabeluleki bobunjiniyela kumele bahlole ubuchwepheshe obunye bokunamathela obuhambisana nezindinganiso zokwakha eziluhlaza. Kule makethe eshintsha ngokushesha, ukukhetha isitifiketi esiqinisekisiweUmhlinzeki Ochwepheshe We-MS Sealant Ongenaso Isocyanatekuba yisinyathelo esibalulekile sokuthobela imithetho yezentengiselwano kanye nokunciphisa izingozi zesikhathi eside. Lolu shintsho aluvikeli nje kuphela impilo yabafaki kodwa futhi luqinisekisa ubude besakhiwo ezimvilophini zesakhiwo ezisebenza kahle kakhulu.
I-Global Regulatory Catalyst — Ukuhamba Ngezinhlaka Eziqinile ze-EMICODE EC1 Plus kanye ne-REACH
Izinhlaka zemvelo eziqinile njengemikhawulo ye-European REACH manje zihlose ama-diisocyanates ayingozi e-monomeric ngenxa yezingozi zokuphefumula ezingapheli zabasebenzi bokufaka. Ngesikhathi esifanayo, indinganiso ye-EMICODE EC1 Plus ibeka uphawu oluphelele lokukhishwa okuphansi kakhulu ekufakweni phansi kwangaphakathi nasezindongeni. Lezi zibuyekezo zokuthobela imithetho zisusa ngempumelelo ama-compounds asekelwe ku-solvent avamile ekucacisweni kwezakhiwo zesimanje.
Ngaphezu kwalokho, izinhlelo ezinkulu zokwakha eziluhlaza njenge-LEED v4.1 kanye ne-BREEAM zinikeza amakhredithi aphezulu kumaphrojekthi ahlanganisa izinto ezingezona isocyanate. Ngakho-ke, abasabalalisi baphesheya kwezilwandle kumele balungise izinqolobane zabo ukuze bagweme ukuvinjelwa kokungeniswa kwempahla endaweni kanye nokwenqatshwa kwentela okubizayo. Imakethe yomhlaba wonke yanamuhla ithanda ngokusobala abakhiqizi abaqinisekisa amaphothifoliyo abo amakhemikhali ngezinhlangano zokuhlola zomhlaba wonke eziqashelwayo.
Ukuze kuhlangatshezwane nalokhu okulindelwe emakethe, i-Junbond ilandelela izidingo zemvelo ezishintshayo emazwenikazi amaningi. Ngokuqinisekisa ukuthi ama-hybrid formulations adlula ngokuphelele izinto zokusetshenziswa eziyingozi, inkampani isiza abathengi bezentengiselwano ukuthola ukuvunyelwa kwephrojekthi okungenamthungo. Lokhu kulungiswa kwemithetho kunikeza indlela ephephile yamanethiwekhi okusabalalisa azulazula ezinqubweni zemvelo ezishintshayo.
Ukuguqulwa Kwama-Molecular — Ukuqeda Ama-Isocyanates Ngobunjiniyela be-Silane-Terminated Polyether
Ukushintsha kusuka kuma-polymer aguquguqukayo kuncike kakhulu ekuguqulweni kwamakhemikhali okuyinkimbinkimbi. Ngokukhethekile, ubunjiniyela be-polyether obuqedwa yi-silane bufaka esikhundleni samaqembu avamile asabelayo ngezindlela ezingezona eziyingozi. Le ndlela incike kubuchwepheshe be-alpha-silane noma ukuqeda kwe-dimethoxysilyl, okuhlangana kahle lapho kuvezwa umswakama womoya. Inqubo yokwelapha ikhipha imikhiqizo engeyona ingozi esikhundleni samagesi anobuthi, okufeza iphrofayili yekhwalithi yomoya yangaphakathi enhle kakhulu.
Ngokomlando, abahlaziyi bezimboni babekholelwa ukuthi izinti eziluhlaza zilimaza amandla omshini. Kodwa-ke, ukwenziwa kwe-polymer yesimanje kwenza lokhu kungenzeki ngokuthuthukisa ukusatshalaliswa kwesisindo sama-molecule ngaphakathi kwe-hybrid matrix. Amanethiwekhi axhumanisayo athuthukisiwe aqinisekisa amandla aphezulu okudonsa kanye namandla okuqala aluhlaza ngaphandle kokwengeza izinyibilikisi ezinuka kamnandi ze-organic. Isakhiwo samakhemikhali esiphumelayo sinikeza ukuguquguquka okuhle kakhulu futhi simelana nokuwohloka kwangaphambi kwesikhathi.
Ngaphezu kwalokho, lawa ma-matrices e-silane aguquliwe abonisa ukuzinza okuphezulu kwe-UV kanye nokuzivumelanisa nezimo zezulu. Ngokungafani nama-compounds e-polyurethane, awabi nakho ukuguqulwa kwamakhemikhali, amabhamuza aphumayo, noma ukuncishiswa okukhulu ngaphansi kwemisebe yelanga enamandla noma ukushisa okukhulu. Lokhu kuzinza kuvikela ubuqotho bamalunga azungezile kanye nezivalo ze-facade emijikelezweni yokuphila yeminyaka eyishumi.
Ukuqinisekisa ukuvumelana kulezi zindlela eziyinkimbinkimbi zokusabela,I-Junbond (Shanghai Junbond Advanced Chemicals Co., Ltd)isebenzisa izinhlelo zokudla ze-gravimetric ezenzakalelayo ngokuphelele kuzo zonke izikhungo zayo. Lokhu kulawula kwedijithali kuqeda ukuhlukahluka kokulinganisa ngesandla futhi kuqinisekisa i-stoichiometry enembile ngesikhathi senqubo ye-polymerization. Ngenxa yalokho, ibhetshi ngalinye lihlangabezana nezindinganiso ezifanayo ze-viscosity kanye ne-curing, okunikeza onjiniyela idatha yokusebenza ebikezelwayo.
Ngaphezu kwalokho, lokhu kuthuthukiswa kwamakhemikhali kuvumela inhlanganisela ukuthi igcine izici zayo eziguquguqukayo kuzo zonke izinhlobo zokushisa ezibanzi. I-matrix elungisiwe ayiqini noma iphenduke i-brittle emazingeni okushisa aphansi, futhi ayiwohloki noma inciphe ezindaweni ezishisayo ezifinyelela kuma-degree Celsius angu-70. Leli windi elibanzi lokusebenza livumela abeluleki bobunjiniyela bamazwe ngamazwe ukuthi bachaze izinto zokufakwa kwe-arctic kanye nezakhiwo eziphakeme zasezindaweni ezishisayo.
Ushintsho Lokulinganisa Amanani — Ukusiza Abeluleki Ukuzulazula Ekuthengeni Izinto Ezisimeme
Imikhuba yesimanje yokwakha idinga ushintsho oluyisisekelo kusuka ezindleleni zokuthenga zokuqala kuya ekulinganisweni kwempilo yonke. Abeluleki be-facade kanye nonjiniyela bezakhiwo bayaqaphela ukuthi izinto ezingaphansi kwezinga noma ezishintshashintsha kakhulu zidala izikweletu ezinkulu zomthetho nezezezimali. Ngakho-ke, ukuhlolwa kwezinto zesimanje kugxila kakhulu ekuqineni kwamakhemikhali isikhathi eside kanye nokuhambisana nempilo yabantu.
Ukucacisa i-umkhiqizo we-MS silicone sealant wokuhlobisa ikhaya onobungani nemvelonoma izitifiketi zephrojekthi ezihlanganisiwe ze-industrial ezikhethekile ngokumelene nezijeziso zemvelo ezibuyela emuva. Izinto eziluhlaza zinciphisa isidingo somoya omningi womshini ngesikhathi sesigaba sokufakwa ngaphakathi. Ngenxa yalokho, abathuthukisi banganciphisa amashejuli okudlulisela futhi banciphise izindleko zokusebenza ezijwayelekile ezindaweni zemisebenzi eziyinkimbinkimbi zezentengiselwano.
Ngaphezu kwalokho, lezi zixazululo ezithuthukisiwe zixazulula izinselele zobuhle nezakhiwo ezihambisana nama-sealant endabuko. Ngenxa yokuthi ifomula ye-hybrid ayinawo uwoyela we-silicone wamahhala, isusa ingozi yokufuduka kwe-plasticizer, okuvame ukungcolisa amatshe emvelo anezimbobo kanye namaphaneli ahlanganisiwe. Ubuso obuhlanzekile, obupendwe buvumela abaklami ukuba baqedele inkululeko yokuklama ngenkathi begcina ukuvikela isimo sezulu okuthembekile kwamalunga.
I-Shanghai Junbond Advanced Chemicals Co., Ltd isekela izincazelo zamazwe ngamazwe ngokunikeza idatha yokusebenza okubonakalayo kanye namarekhodi aphelele okuhambisana nomthetho. Ukunikeza ukuqinisekiswa kwelabhorethri okusobala kusiza abeluleki ukufeza iziqondiso zokuthenga okuluhlaza okuyinkimbinkimbi komasipala ngaphandle kokudela ikhono lokunyakaza okuhlangene. Le ndlela engokoqobo iphakamisa inqubo yokuthenga kusukela ekuqageleni kuya kwisayensi yobunjiniyela eqinisekisiwe.
Ekugcineni, ukukhethwa kwezinto ezisimeme kuthuthukisa inani lempahla yezakhiwo zezentengiselwano. Ama-trust okutshalwa kwezimali kwezindlu emhlabeni jikelele aqhubeka nokulandelela izilinganiso zempilo kanye nokuphila kahle ngaphakathi kwamaphothifoliyo awo, okuthonya ngqo amazinga okuqashisa kanye nokugcinwa kwabaqashi. Ukusebenzisa izinamathiselo zamakhemikhali eziqinisekisiwe, ezingenabo ubuthi kuqinisekisa ukuthi ingqalasizinda ebonakalayo igcwalisa izidingo zokutshalwa kwezimali zezikhungo zesimanje.
Ukunciphisa Ingozi Yokunikezela — Ukuvumelanisa Ukufaneleka Kwevolumu Okuzenzakalelayo Nokulawulwa Kwekhwalithi Okuqinisekiswe Yimvelo
Ukwandisa ukukhiqizwa kwama-polymer aluhlaza athuthukile ngenkathi kugcinwa ubumsulwa bamakhemikhali obuphelele kuyinselele enkulu yezimboni. Abasabalalisi baphesheya kwezilwandle badinga ukutholakala komthamo omkhulu kanye nokuvumelana okuqinile kwe-batch-to-batch ukuze kugcinwe amashejuli okwakha aqhubekayo. Ngakho-ke, indawo yezimboni kanye nengqalasizinda yezobuchwepheshe yomhlinzeki ilawula ukuphepha kwayo yonke iketanga lokuhlinzeka.
Ukuze iphathe lezi zidingo zomhlaba wonke, i-Junbond isebenzisa izisekelo zokukhiqiza eziyisikhombisa ezithuthukisiwe ngaphakathi kweShayina, ihlanganisa indawo enkulu yokukhiqiza. Lesi silinganiso sendawo siqinisekisa umthamo omkhulu wokukhiqiza futhi sivikela abathengi bamazwe ngamazwe ekuswelekeni okungazelelwe kwezinto zokusetshenziswa noma ukuphazamiseka kwempahla yesifunda. Ukuzenzekela kokukhiqiza okuthuthukisiwe kuphatha konke kusukela ekuxubeni kwe-polymer eyisisekelo kuya ekupakishweni kwekhatriji okushesha kakhulu kokugcina.
Ngaphezu kwalokho, izimemezelo zomkhiqizo we-ironclad wesithathu kanye nokuhlolwa okuqinile kwegumbi lezemvelo kwakha isisekelo sokulawulwa kwekhwalithi yamazwe ngamazwe. Abahlinzeki abathembekile kumele babonise ukuthobela njalo kuzo zonke izakhiwo zomzimba, kufaka phakathi amazinga okukhishwa, ukumelana nokuwa, kanye nezilinganiso zokuqina kwe-Shore A. Ukuba namaphrofayili obuchwepheshe aqinisekisiwe kwenza abasabalalisi baphesheya kwezilwandle bakwazi ukubhida ngokuzethemba kumathenda amakhulu kamasipala kanye nengqalasizinda.
Ekugcineni, lesi sisekelo sokukhiqiza esiqinile sisiza abalingani bamazwe ngamazwe ukuguqula ukuthobela imvelo kusuka ekuvinjelweni komthetho kube yinzuzo ehlukile yokuncintisana. Ukuze bahlole iphothifoliyo yabo ephelele yezinto zokwakha eziluhlaza eziqinisekisiwe noma ukuhlanganisa ukubonisana kobuchwepheshe kwentuthuko yefashini ezayo, amaqembu okwakha kanye nabalingani bokusabalalisa bangafinyelela imibhalo ephelele ngqo ngephothali yewebhu ephakathi ku-https://www.junbond.com/.
Isikhathi sokuthunyelwe: Juni-29-2026