Li-catalyst tsa polyurethanee bapala karolo ea bohlokoa tlhahisong ea li-foam tsa polyurethane, li-elastomer, li-coatings, li-glue le li-sealant. Har'a li-catalyst tsena, T-125 ke khetho e hlahelletseng, haholo-holo tlhahisong ea li-foam tsa polyurethane tse tiileng. Sengoloa sena se hlahloba litšobotsi tsa T-125 'me se hlahloba molao-motheo oa ts'ebeliso ea eona ho polyurethane e tiileng.
Litšobotsi tsa T-125
T-125 ke sesebelisoa sa amine se sebetsang hantle haholo se tsebahalang ka ts'ebetso ea sona e ntle haholo tlhahisong ea foam e thata ea polyurethane. Tsena ke litšobotsi tse ling tsa bohlokoa tsa T-125:
1. Sebopeho se Thehiloeng ho Amine: T-125 ke amine catalyst, ho bolelang hore e na le liathomo tsa naetrojene tse arabelang haholo mefuteng ea polyurethane. Sebopeho sena se ntlafatsa bokhoni ba catalyst ba ho khothaletsa liketso tsa lik'hemik'hale tse hlokahalang bakeng sa ho thehoa ha polyurethane.
2. Reaction e Leka-lekaneng: E 'ngoe ea litšobotsi tse ikhethang tsa T-125 ke ts'ebetso ea eona e leka-lekaneng. E fana ka tekanyo e hlophisitsoeng hantle pakeng tsa liketso tsa gelling le blowing, tse bohlokoa ho theheng foam. Tekanyo ena e netefatsa hore sebopeho sa foam se tsitsitse ebile sea tšoana.
3. Phekolo e Potlakileng: T-125 e tsebahala ka thepa ea eona ea ho fola ka potlako. Sena se lumella linako tsa ts'ebetso tse potlakileng, e leng se etsang hore e be ntle bakeng sa lits'ebetso moo lebelo le katleho li leng bohlokoa.
4. Mesi e Fokolang: Polokeho ea tikoloho le bophelo bo botle ke bothata bo ntseng bo hola indastering. T-125 e na le mesi e fokolang e bakang mosi, e leng se etsang hore e be khetho e mosa haholoanyane tikolohong ha e bapisoa le li-catalyst tse ling.
Molao-motheo oa Tšebeliso oaT-125ka Polyurethane e Tiileng
Lifomo tse thata tsa polyurethane li sebelisoa haholo ho kenya mocheso, kaho, sehatsetsing le lits'ebetsong tse ling tse fapaneng moo ho hlokahalang khanyetso e phahameng ea mocheso le botšepehi ba sebopeho. Tšebeliso ea T-125 ho polyurethane e thata e kenyelletsa melao-motheo e 'maloa ea bohlokoa:
1. Ho Hlalosoa ha Karabelo ea Isocyanate-Polyol: T-125 e potlakisa karabelo pakeng tsa isocyanate le polyols, e leng dikarolo tse pedi tsa mantlha tsa polyurethane. Karabelo ena e bopa dikgokelo tsa urethane tse etsang marangrang a polymer a foam.
2. Taolo ea ho Hlahisa le ho Bululela: T-125 e laola ka katleho dikarabelo tsa gelling le tsa ho foka. Karabelo ya gelling e thusa ho thehwa ha marangrang a polymer, ha karabelo ya ho foka e hlahisa kgase e etsang sebopeho sa sele sa foam. Karabelo e leka-lekaneng ya T-125 e netefatsa hore dikarabelo tsena di etsahala ka kutlwano, e leng se fellang ka foam e nang le boholo le sebopeho se tshwanang sa sele.
3. Matlotlo a Foam a Ntlafalitsoeng: Tšebeliso ea T-125 e lebisa ho lifofu tse thata tsa polyurethane tse nang le thepa e phahameng ea 'mele. Tsena li kenyelletsa matla a phahameng a ho hatella, ho thibela mocheso hantle, le botsitso bo boholo. Bokhoni ba catalyst bo netefatsa hore foam e boloka botsitso ba eona tlas'a maemo a fapaneng a tikoloho.
4. Maemo a Ts'ebetso a ntlafalitsoeng: T-125 e dumella maemo a ntlafetseng a tshebetso, e fokotsa tlhoko ya dikhataholetsi kapa ditlatsetso tse eketsehileng. Sena se nolofatsa tshebetso ya ho bopa mme se ntlafatsa bokgoni ba tlhahiso.
Qetellong, T-125 ke sesebelisoa se sebetsang hantle sa amine se thusang haholo tlhahisong ea lifomo tsa polyurethane tse tiileng tsa boleng bo holimo. Ho sebetsa ha eona ka tsela e leka-lekaneng, thepa ea eona ea ho fola ka potlako, le mesi e fokolang e etsa hore e be khetho e ntle bakeng sa lits'ebetso tse fapaneng tsa indasteri. Ka ho potlakisa likarabelo tsa bohlokoa ho thehoeng ha polyurethane, T-125 e netefatsa hore lifomo tse tiileng li bonts'a litšobotsi tse phahameng tsa ts'ebetso, li fihlela litlhoko tse hlokang tlhokomelo ea ho kenya mocheso le lits'ebetso tsa sebopeho.
Nako ea poso: Phupu-03-2024