Spray Polyurethane Foam (SPF) ke thepa ea ho thibela mocheso e sebetsang ka mekhoa e mengata, e bolokang matla e seng e sebelisoa haholo lits'ebetsong tsa bolulo, tsa khoebo le tsa indasteri. SPF ke mofuta oa foam e thata ea polyurethane, e entsoeng ka ho fafatsa motsoako oa li-isocyanate le li-polyol tse arabelang le ho atoloha ha li kopana ho etsa foam. SPF e fana ka ho thibela mocheso ho phahameng, ho hanyetsa mongobo le ho tšoarella, e leng se etsang hore e be khetho e ntle bakeng sa ho thibela mocheso mehahong, marulelong, liphaepheng le tse ling.
Foam ea Polyurethane ea Spray ke eng?
Spray Polyurethane Foam (SPF) ke sistimi ea likarolo tse peli e entsoeng ka isocyanate le polyol. Ha li kopantsoe, likarolo tsena li feta karabelong ea lik'hemik'hale e hlahisang foam e atolohang ka potlako ho tlatsa likheo, mapetsong le masoba. Foam e hlahisoang e na le bokhoni bo botle ba ho thibela mocheso ka lebaka la ho khanna ha eona mocheso o tlase, e thusang ho fokotsa tšebeliso ea matla ka ho thibela phetiso ea mocheso. Ho feta moo, SPF e etsa mokoallo o se nang moedi, e thibelang mongobo ho kena maboteng le siling, e fokotsang kotsi ea kholo ea hlobo.
SPF e ka fetoloa haholo 'me e ka fafatsoa hoo e ka bang holim'a sebaka sefe kapa sefe, ho kenyeletsoa mabota, marulelo le metheo. E boetse e tsejoa ka boleng ba eona bo phahameng ba R (ho hanyetsa mocheso), e leng se etsang hore e be khetho e ntle bakeng sa mehaho e bolokang matla. SPF e loketse lits'ebetso tsa kaho e ncha le tsa ntlafatso.
Karolo ea Li-Catalyst tsa Polyurethane ho SPF
Ho thehoa ha SPF ke ts'ebetso e rarahaneng e hlokang taolo e nepahetseng holim'a karabelo ea lik'hemik'hale lipakeng tsa likarolo tsa isocyanate le polyol. Li-catalyst tsa polyurethane ke tsa bohlokoa ts'ebetsong ena, li potlakisa karabelo le ho laola litšobotsi tsa ho phahama le ho fola ha foam. Li-catalyst tsena li bapala karolo ea bohlokoa ho khetholleng litšobotsi tsa ho qetela tsa foam, joalo ka ho teteana, matla le ts'ebetso ea ho kenya mocheso.
Li-catalyst tsa polyurethane li sebetsa ka ho potlakisa karabelo pakeng tsa li-isocyanate le li-polyol, ho netefatsa hore foam e phahama le ho fola ka lebelo le nepahetseng. Haeba karabelo e etsahala kapele haholo, foam e ka nyoloha ka ho se lekane kapa ea baka liphoso. Ka lehlakoreng le leng, haeba karabelo e lieha haholo, foam e kanna ea se fole hantle, ea beha matla a eona le thepa ea ho thibela ho ruruha. Catalyst e nepahetseng e netefatsa karabelo e boreleli, e laoloang e fellang ka foam ea boleng bo holimo.
Ho na le mefuta e 'meli e meholo ea li-catalyst tsa polyurethane tse sebelisoang ho SPF:li-catalyst tse thehiloeng ho amineleli-catalyst tse thehiloeng ho thiniLi-catalyst tse thehiloeng ho amine, tse sebelisoang haholo mefuteng ea sejoale-joale ea SPF, li fana ka melemo e 'maloa, ho kenyeletsoa monko o tlase le tšusumetso e tlase tikolohong ha e bapisoa le tse ling tsa tsona tse thehiloeng ho tin.
Li-Catalyst tsa bohlokoa tsa Polyurethane ka har'a liforomo tsa SPF
Li-catalyst tse 'maloa tse khethehileng tsa polyurethane li sebelisoa hangata mefuteng ea SPF ho fihlela ts'ebetso e ntle ka ho fetisisa:
- MXC-T: MXC-T, e leng sesebelisoa sa amine se se nang mosi, se nang le monko o tlase, e tsebahala ka ts'ebetso ea eona e phahameng ea ho ntša foam le boemo ba eona bo boreleli ba ho phahama, e leng se etsang hore e be e loketseng lits'ebetso tsa SPF moo monko o fokolang le ts'ebetso e phahameng li leng bohlokoa.
- MXC-37: Sesebediswa sa ho hotetsa se loketseng ditsamaiso tse nang le metsi a mangata, MXC-37 e kgothaletsa ho thehwa ha foam ka ho tshwana ha e ntse e boloka taolo e ntle ya ho phahama, e leng se etsang hore e be ntle bakeng sa ho kwahela foam e fafatswang ka bongata.
- MXC-TMA: Sesebediswa sena se kgothaletsa ho hlophiswa ha polyisocyanurate, se thusa ho fihlella boemo bo boreleli, bo laolwang ba ho phahama le ho fola, e leng sa bohlokwa bakeng sa SPF e sebediswang marulelong le ho kenya mochesong.
- MXC-B20: MXC-B20 ke sesebelisoa se sebetsang hammoho le li-catalyst tse ling ho potlakisa ho phekolwa ha foam, ho netefatsa hore e ba le qetello e matla le e tšoarellang. E sebetsa hantle haholo lits'ebetsong tsa foam tse nang le bongata bo phahameng.
Li-catalyst tsena li fana ka taolo ea bohlokoa holim'a thepa ea foam, li netefatsa hore SPF e boptjoa ka ho lekana, ka bongata bo nepahetseng, botsitso le ts'ebetso e nepahetseng ea ho thibela mocheso. Ho feta moo, tšebeliso ea li-catalyst tse nang le mosi o fokolang le monko o tlase joalo ka MXC-T e ntse e le ea bohlokoa haholo ha melao ea tikoloho e ntse e tiea 'me tlhoko ea thepa ea kaho e sireletsehileng le e tala e ntse e eketseha.
Qetello
Spray Polyurethane Foam (SPF) ke thepa e sebetsang hantle haholo ea ho thibela mocheso, e fanang ka khanyetso e ikhethang ea mocheso, taolo ea mongobo le ho tšoarella. Tšebeliso ea li-catalyst tse khethehileng tsa polyurethane mefuteng ea SPF e bohlokoa ho netefatsa hore foam e sebetsa kamoo ho neng ho lebelletsoe, ka ho phahama ho boreleli, ho phekola ho laoloang, le thepa e ntle ea ho thibela mocheso. Ka khatello e ntseng e hola ea thepa ea kaho e bolokang matla le e mosa tikolohong, SPF le li-catalyst tse amanang le eona li ntse li tsoela pele ho ba karolo ea bohlokoa ea litsamaiso tsa kaho le tsa ho thibela mocheso tsa sejoale-joale.
Nako ea poso: Pherekhong-21-2025