Selelekela
Lilemong tsa morao tjena,li-catalyst tsa polyurethane tse nang le monko o tlase e se e le mokhoa oa nts'etsopele indastering ea polyurethane. Ka maemo a ntseng a thatafala a tikoloho lefatšeng ka bophara le tlhoko e ntseng e eketseha ea bareki bakeng sa tikoloho e hloekileng ea ka tlung, mokhoa oa nts'etsopele oali-catalyst tsa polyurethane tse ntšang mosi o fokolang, tse nang le monko o tlase e ntse e potlaka. Bahlahisi ba foam e tenyetsehang le e thata, lipente, likhomaretsi le li-sealant hajoale ba ntse ba beha pele li-catalyst tse kopanyang tshebetso e phahameng, VOC e tlaseslebotsoalle ba tikoloho ntle le ho beha reactivity kotsing.
Hobaneng Monko o le Bohlokoa Tlhahisong ea Polyurethane
Li-catalyst tsa amine tsa setso, leha li sebetsa hantle haholo ho ntšetseng pele karabelo ea polyurethane lipakeng tsa isocyanate le polyols, hangata li lokolla li-amine tse feto-fetohang nakong ea tlhahiso kapa kamora ho fola. Mesi ena e ka lebisa ho:
Smonko o matla oa amines lihlahisoa tse felileng (tse kang foam le masela a koahetsoeng)
Ka tlungmathata a boleng ba moea
Mosebetsimathata a ho pepesehela le ho latela melao ea tsamaiso
Ho fihlela litlhoko tsa hona joale tsa bophelo bo botle le tikoloho, liindasteri li fetohela ka potlako holitsamaiso tsa catalyst tse nang le monko o tlase, tse nang le ho feto-fetoha ho tlaseLi-catalyst tsena li fokotsa mesi e tsoang ha ka nako e ts'oanang li boloka foam le ts'ebetso e ntle ea ho folisa.
Ho phahama ha Li-Catalyst tsa Amine tse nang le Monko o Tlase
Li-catalyst tsa polyurethane tse nang le monko o tlase li etselitsoe hofokotsa ho feto-fetoha ha maemo le ho ntlafatsa khethoKa ho fetola sebopeho sa tsona sa limolek'hule kapa ho hlahisa lihlopha tse sebetsang tse arabelang, li-catalyst tsena li ka hokahana ka lik'hemik'hale le matrix ea polyurethane, ka hona li thibela ho fetoha ha metsoako e hlahisang monko.
Mekhoa e meholo ea theknoloji lefapheng lena e kenyelletsa:
Li-catalyst tsa amine tse arabelange kopanang ka kopanelo le polymer
Li-catalyst tsa amine tse koetsoengka tokollo e laoloang nakong ea karabelo
Mekhoa ea li-amine tse phahameng tse nang le mosi o fokolangka botsitso bo ntlafalitsoeng ba hydrolytic
Mohlala, di-catalyst tse kang Mingxu New Materials'MXC-R40 leMXC-37 li etselitsoe ka ho khetheha ho bontšamonko o tlaase, karabelo e phahameng, le thepa e leka-lekaneng ea gel ea foamLi sebelisoa haholo holi-foam tse thata tsa spray, thepa ea ho thibela lisebelisoa tsa ho futhumatsa, lifoam tsa kahare tsa likoloile Mekhoa ea HFO.
Bakhanni ba Tikoloho le ba Taolo
Mabaka a 'maloa a lefats'e ka bophara a potlakisa ho amoheloa hali-catalyst tsa polyurethane tse nang le monko o tlase:
Ka ho eketsehilengVOC e thata (motsoako o feto-fetohang oa lintho tse phelang) le melaoana ea ho ntša mosi Europe, Amerika Leboea le Asia.
Lisetifikeiti tsa botsitso (LEED, BREEAM, GREEGUARD) ba susumetsa tšebeliso ea thepa e hloekileng.
Tlhoko ea bareki bakeng sa thepa ea ka tlung e nang le mosi o fokolang, materase le likamore tsa kahare tsa likoloi lia hola.
Phetoho ea indasteri ho ea ho HFO le litsamaiso tsa foam tse fefoloang ke metsi, tse hlokang dikhataholetsi tse kgethilweng haholoanyane.
Bahlahisi ba sebelisangmahlale a catalyst a nang le mosi o fokolang ha e fihlelle feela litlhoko tsa taolo empa hape e ntlafatsa boleng ba lets'oao le ho fumana monyetla oa tlholisano mebarakeng ea kantle ho naha.
Melemo ea ho Sebelisa Li-Catalyst tsa Polyurethane tse se nang Monko o Tlase
Ho kenya tshebetsongli-catalyst tse nang le monko o tlasetlhahiso ea polyurethane e fana ka melemo e mengata:
Monko o fokotsehileng lihlahisoa tsa foam tse felileng
Polokeho e ntlafetseng ea basebetsi le tikoloho ea lifeme
Boleng bo betere ba moea oa ka tlung bakeng sa basebelisi ba ho qetela
Ho latela maemo a tlhahiso ea VOC
Reactivity e tsitsitseng le liprofaele tse tsitsitseng tsa ho phahama ha foam
Melemo ena e etsa horeli-catalyst tsa polyurethane tse nang le monko o tlase khetho e khethiloeng haholo bakeng sa bahlahisi ba foam lefatšeng ka bophara.
Litšebeliso ho pholletsa le Sistimi ea Polyurethane
Li-catalyst tse nang le monko o fokolang joale li sebelisoa hoo e batlang e le lits'ebetsong tsohle tsa polyurethane:
Liforo tse tenyetsehang: litulo tsa likoloi, mesamo ea thepa ea ka tlung, materase
Liforo tse thata: diphanele tsa ho kenya mocheso, difomo tsa spray, difomo tsa sehatsetsi
Liaparo, likhomaretsi, li-sealant le li-elastomer (CASE): e hloka ts'ebetso e seng mosehla, e nang le mosi o fokolang
Ka ho khetheha,Ho thibela foam e fafalitsoeng ka HFOLitsamaiso li rua molemo ho li-catalyst tse nang le monko o tlase tse bolokang ts'ebetso e phahameng ha li ntse li thibela monko o sa batleheng oa amine libakeng tse koetsoeng tsa kaho.
Qetello
Mokhoa o lebisang holi-catalyst tsa polyurethane tse nang le monko o tlase e bonts'a eseng feela karabelo melaong empa hape le phetoho ea indasteri e lebisang botsitsong, polokehong le ntlafatsong ea boleng. mahlale a catalyst a nang le mosi o fokolang, bahlahisi ba polyurethane ba ka fihlella tlhahiso e hloekileng, thepa ea foam e sebetsang hantle, le khotsofalo e eketsehileng ea basebelisi ba ho qetela.
Jwalo ka e mong wa bafepedi ba ka sehloohong ba di-catalyst tsa polyurethane Chaena,Lisebelisoa tse Ncha tsa Mingxu e ntse e tsoela pele ho nts'etsapele mekhoa e mechali-catalyst tse nang le monko o tlase, tse sebetsang hantle ho fihlela litlhoko tsa litsamaiso tsa sejoale-joale tsa foam. Lebenkele la rona la lihlahisoa le kenyelletsaMXC-R40, MXC-37, le MXC-DPA, e fana ka ditharollo tse ntle ka ho fetisisa bakeng sa bareki ba batlang tekano pakeng tsa ho arabela ka potlako, botsitso le boikarabello ba tikoloho.
Nako ea poso: Pulungoana-14-2025