Foam ea polyurethane e fafatsang (SPF) ke thepa e sireletsang le e tiisang e sebetsang hantle e sebelisoang haholo kahong le tlhahisong. E etsoa ka ho kopanya isocyanate le polyol resin—likarolo tse arabelang ho theha foam e ntseng e hola. Thepa ena e feto-fetohang e ntlafatsa ts'ebetso ea matla, e fana ka tšehetso ea sebopeho, 'me e ntlafatsa taolo ea mongobo le moea mehahong. Leha ho le joalo, ts'ebetso ea foam ea spray ha e laoloe feela ke mokhoa oa eona oa ho etsa lintho—e boetse e susumetsoa haholo keli-catalyst tsa polyurethane, joalo kaMXC-BDMA, tse bapalang karolo ea bohlokoa boleng ba foam, sebopeho le ho khomarela.
Mefuta ea Foam ea Spray: E nang le Boima bo Phahameng khahlanong le e nang le Boima bo Tlase
Foam ea spray e fumaneha ka mefuta e 'meli e meholo:ho ba le bongata bo bohololeho ba le bongata bo tlase, e 'ngoe le e 'ngoe e loketse libaka tse fapaneng tsa ts'ebeliso.
1. Foam e Fafatsang ka Botebo bo Holimo
Foam e fafatsang e nang le density e phahameng (HD) hangata e na leboima ba mantlha ba 2.5 ho isa ho 3 lbs/ft³E tiile, e tšoarella, ebile ha e kenelle metsi, e leng se etsang hore e be ntle bakeng sa:
- Mekhoa ea marulelo
- Marako a kantle
- Litanka tsa indasteri le liphaephe
- Merero ea ho thibela ho ruruha ea khoebo
Botšepehi ba eona bo matla ba sebopeho bo eketsa tšehetso libakeng tse kang marulelo le mabota, e leng se thusang ho lelefatsa nako ea bophelo ba mehaho. Ka lebaka la ho se kenelle ha eona habonolo le ho khomarela ho matla, foam ea spray ea HD e sebelisoa hangata hokantlelelibaka tse pepesitsoeng.
2. Foam ea Spray e nang le Boima bo Tlase
Foam ea spray e nang le density e tlase (LD) e na leBotebo ba mantlha ba hoo e ka bang 0.5 lbs/ft³'me hangata ho thoe kefoam ea spray ea lisele tse bulehilengMofuta ona o bonolo ebile o tenyetseha haholoanyane, o o lumella ho:
- Tlatsa likheo le masoba a thata ho a fihlela
- Fana ka tšireletso e ntle ea molumo
- E sebetsa e le lithibelo tsa moea le mouoane hokaharelits'ebetso
E sebelisoa hangata ho:
- Likoti tsa lebota
- Likamore tse ka tlas'a lefatše tse se nang moea o kenang
- Libaka tsa siling le fatše
Hobane e dumella ho kenella ha mouoane o laolehileng, foam ya spray ya LD e thusa ho laola mongobo wa ka tlung ntle le ho o tshwasa ka hara ditsamaiso tsa mabota.
Bohlokoa ba Li-Catalyst ho Mefuta ea Spray Foam
Litsamaiso tsa foam ea polyurethane li itšetlehile ka liketso tse nepahetseng tsa lik'hemik'hale ho fihlela katoloso e lakatsehang, matla le liprofaele tsa ho fola. Li-catalyst lia hlokahala ho laolakarabelo pakeng tsa polyol le isocyanate, ho netefatsa ho phahama ho tsitsitseng le sebopeho se setle sa sele.
Har'a bona,li-catalyst tsa amineli sebelisoa haholo ka lebaka la bokhoni ba tsona ba ho laola ka bobelijelling(polyol-isocyanate) leho fokaLikarabelo tsa (metsi-isocyanate). Tekanyo e nepahetseng pakeng tsa likarabelo tsena e bohlokoa ho hlahisa foam ea spray e nang le botsitso bo botle ba litekanyo, sebopeho se tšoanang sa sele le ho khomarela.
SelelekelaMXC-BDMA: Sesebediswa sa ho fafatsa foam e sebetsang hantle
At Lisebelisoa tse Ncha tsa Mingxu, re fana kaMXC-BDMA, bokgoni bo phahamengsethothetsi sa benzyl dimethylaminee etselitsoe ka ho khetheha lits'ebetso tse hlokang boleng bo ntlafalitsoeng ba foam le ho khomarela.
Likarolo tsa Bohlokoa tsa MXC-BDMA:
- E khothalletsa ho phalla ha metsi mohatong oa peleea sistimi ea polyurethane
- E netefatsaho thehoa ha sele e tšoanangbakeng sa ho thibela mocheso ka mokhoa o tsitsitseng
- Lintlafatsoho khomarela pakeng tsa foam le substrate,ho ntlafatsa botšepehi ba sebopeho
- E loketse mefuta e mengata ea lits'ebetso ho kenyeletsoa:
- Foam e bonolo ea polyurethane e ngata
- Foam e thata ea polyurethane
- Maqephe a polyurethane
- Liaparo tse khomarelang
MXC-BDMA e loketse haholo bakeng salitsamaiso tsa foam e thata ea spray,tse kang tse sebelisoang hoho thibela marulelo le lits'ebetso tsa kantle,moo ho khomarela ho matla le sebopeho sa sele e koetsoeng li leng bohlokoa.
Hobaneng o lokela ho kgetha MXC-BDMA bakeng sa ditshebediso tsa Spray Foam?
Bahlahisi ba batlang ho ntlafatsa ts'ebetso ea foam—ebang ke marulelong a sebopeho kapa ho thibela lebota ka har'a sekoti—ba tla rua molemo taolong e ntlafalitsoeng ea karabelo eMXC-BDMATekanyo ea eona ea matla a catalytic le taolo e thusa ho qoba mathata a tloaelehileng a foam a kang:
- Liprofaele tse sa lekanang tsa ho phahama
- Sebopeho se sebe sa sele
- Ho khomarela ho sa lekaneng
- Bobebe kapa ho fokotseha
Hore na o hlahisa SPF e nang le sekgahla se phahameng kapa foam e nang le sekgahla se tlase, MXC-BDMA e ka o thusafihlella liphetho tse betere ka ts'ebetso e tšepahalang haholoanyane.
Ikopanye le Rona bakeng sa Tlhahisoleseling e Eketsehileng
At Lisebelisoa tse Ncha tsa Mingxu, re ikhethile kali-catalyst tsa amine le tšepebakeng sa mefuta e mengata ea litsamaiso tsa foam ea polyurethane. Lihlahisoa tsa rona li tšeptjoa ke bahlahisi lefatšeng ka bophara bakeng sabokgoni, botsitso, le mesi e fokolang e tswang.
A re u thuseng ho fumana tharollo e nepahetseng ea catalyst bakeng sa ts'ebeliso ea hau.
Nako ea poso: Phuptjane-18-2025