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AmaButyl compounds ayinakuhle, kunye nokuthi kudingeka lokuhlala ukusebenzisa sealants kunye neadhesives. Ngakho xa sikufuna ukukhuluma ngokusho ukuthi yintoni okuyingxenyekayo! Ukuba amabutyl compounds akhawuleza ngaphandle kwezi zinto ezilandelayo...
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Ukuba ufuna ukubala ngezinto ezincinci ezikhulu ekusethweni kwechemicals zikuphiwa, useto olungumoya wenza useto olunamandla lwayo elibizwa njengeStannous Oxalate elibizwa njengelisha elithileyo, elibizwa njengelisha elithileyo...
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Kunezinye izinto ezivakasha ezifunyanwa ezihlola ukuba zikhona imigaga yokugcina. Yintloko yokuhlala kwesiqephu sokuqala sijongiwe nguButyl compound. Okungavakasha kwebutyl compound kukho iinkcukacha ezisetyenziswa ngokubanzi...
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Kwesilondolozi somncedo wesintshontsho, ukusetyenziswa kwakunyoliswa okungayaziyo okuzoba kuhlala ukuba ziqhelekile ngokupheleleyo. Ngoko ke, lokhu olungaphambili lokuhlala - u-dioctyltin oxide...
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UMonobutyltin Oxide ngenxa yomphumlo wokuthatha amakhemikali apha ukuthi akuyenza imikhemikali. Umonobutyltin oxide ungaphambili xa izibalo zazisusa ukuba zimixezwe ukukhetha into entsha ngqukuqweni.
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Mholo, abafundi bendlu! Ngosuku lwesibini, sizohlala ukubona into engaziyo: i-PU catalysts; yintoni kuloo moya kunye nokuba bayinguqukethwe ngokwesobizo sokuthi bayenza umthombo we-polyurethane. Ukuba leminyaka alingathi khona ngokushesha, sizokufinyelela ukuba zisebenzise ngokuhlu...
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Kwiqhobo lwekhemisitri, amakhathalisi amanani asemanye amaxhobo. Bayahlala ukwenza iimfanelo yekhemisithi ngokushaya. Lezi zintathu zakhiwo zikhathalise kuhlanganiswa kwezinye izinto ezilandelwayo, amafutha, amaplastik etafileyo ezincedwa kwindaweni yokugcina ngenxa yalokuba ziqhutywa kwindaweni yakho wi...
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Yintoni amacubu angamaPU? Amacubu angamaPU angamancane okanye amandla kunye nokungena kuhlanganiswa kwesiphi lezinto lokuhlula kwezimali lwePolyurethane. Leli malayithi liyinkalo elisha elihlala kumanye imigca. Ngokuvamile, usebenzisa ukukhetha amagcali amahle nekufika kakhulu f...
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Amakhono amabhizinisi abaningi bengxenyise iireshi yesi polyester ngoba yintlizyo engaphambili. Futhi, yeyiphi lemininingwane yezifuneka. Ngokuvamile, ireshi yesi polyester iyindlu eyahlala ngaphandle kokucabanga. Yona...
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Mhlobo omkhulu wabanye abafundisi. Lelimi lomkhulu sithi ngoku yileyo ndlela elikhulu, amakatilisenti amentalikho ephakeme. Ukulandelela kwaye lokhu kufuneka ukuba ingxenyekiso engaphambili kodwa usetyenziswa ngenkxaso yokugcina nokubheka nokufunda. Yonke into eyenziweyo ngamakatilisenti amentalikho ephakeme?Ngokuqale...
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Ulingishi Ufundise Izinto Ezihluhleni Lelinga Lwesonto Ulingishi yindlela enye leyi yintoni ungene nayo ukuthola ilizwe lethu elingene loluphi lapho liphathelwe njengemali kunye nokuhlala ngaphandle komhlaba ongaphandle kuzo zonke izinyawo ezinomsindo. Bayazi ukuthi kufuneka kube uphawu lokuhlola lokhu olungaphezu kwesonto esiyini, ngoko ke bahlala...
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Ukugqibela:Polyurethane (PU) leli: PU yintlango enkulu esifuna emva kokuthi siyibona kulemvula emasipheni ethile. Yintlango yokuhlala ngaphandle kokuba kukho kusuke kuya kumthetho, okanye ukuba kusuke kuya kumthetho, futhi kuhlukome ukusetshentliswa. Usiza ukuze ulinde polyurethane kwiimeko ezidinga imigqa, okanye iimeko ezidinga imigqa, okanye iimeko ezidinga imigqa...
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