Spray Polyurethane Foam (SPF) ke thepa e feto-fetohang le e sebetsang haholo e sebelisoang haholo indastering ea kaho ho ntlafatsa ho thibela mouoane oa meaho le ho koala mapetso le mapetso. Plastiki ena e fafalitsoeng e etsa thibelo e tsoelang pele ea ho thibela mouoane le ho koala moea holim'a libaka, e ntlafatsa haholo ts'ebeliso ea matla le boiketlo mehahong.
Sebopeho le Karabelo
SPF e etsoa ka ho kopanya lik'hemik'hale tse peli tsa mantlha tse arabelang kapele ha li kopantsoe, li atoloha ho etsa foam. Foam ena e sebetsa e le mokoallo oa mocheso, ho koala le mongobo, e leng se etsang hore e be tharollo e ntle bakeng sa ho fokotsa ho kenella ha moea o sa batleheng ka har'a mapetso, manonyello le likheo. Lik'hemik'hale tse sebelisoang lits'ebetsong tsa SPF hangata li arotsoe likarolo tse peli:
- Lehlakore la “A”: Hangata lena le na le diphenylmethane diisocyanate (MDI) le diphenylmethane diisocyanate (pMDI) e nang le polymer.
- Lehlakore la “B”: Ena ke motswako wa di-polyol, di-catalyst, di-agent tse foamang, di-retant tsa malakabe, le di-surfactant. Di-catalyst tse sebediswang lehlakoreng la “B”, tse kangMXC-C15le MXC-T, li bapala karolo ea bohlokoa ho netefatseng karabelo e nepahetseng le ho thehoa ha foam.
Melemo ea SPF
Ho thibela mocheso ka SPF ho tsebahala ka ho hanyetsa mocheso hantle. Ka ho etsa thibelo e sebetsang khahlanong le marokho a mocheso le ho dutla ha moea, SPF e thusa ho boloka mocheso o tsitsitseng ka tlung, e leng se lebisang ho bolokeng matla a mangata. Mokhoa ona oa ho thibela mocheso o sebetsa hantle haholo ho fokotseng litšenyehelo tsa ho futhumatsa le ho pholisa, o tlatsetsa ho fokotseng tšebeliso ea matla le ho fokotseha ha khabone.
Ho phaella moo, bokgoni ba SPF ba ho kwala mapetso le mapetso bo thibela ho kenella ha mongobo le ho kenella ha mongobo, e leng se ka lebisang kgolong ya hlobo le tshenyo ya meaho. Sena se etsa hore meaho e se ke ya boloka matla feela empa hape e be e phetseng hantle le e tshwarellang haholoanyane.
Kopo le Tshebetso
Tšebeliso ea SPF e kenyelletsa ho fafatsa foam holim'a libaka moo e atolohang le ho thatafala, e leng se etsang mokoallo o tsoelang pele le o se nang sekoli. Ho ikamahanya le maemo hona ho lumella SPF ho sebelisoa libakeng tse fapaneng, ho kenyeletsoa mabota, marulelo, marulelong le likamoreng tse ka tlas'a lefatše. Bokhoni ba eona ba ho lumellana le sebopeho leha e le sefe le ho khomarela libaka bo e etsa hore e be e loketseng bakeng sa ho sireletsa mocheso libakeng tse sa tloaelehang kapa tse thata ho li fihlela.
Li-catalyst tsa polyurethane tsa k'hamphani ea rona, tse kang MXC-C15 leMXC-T, ke tsa bohlokoa tsamaisong ea SPF. Li-catalyst tsena tsa boleng bo holimo li netefatsa karabelo e tsitsitseng le e tšepahalang, e fellang ka ho thehoa ha foam e tšoanang. Re motlotlo ka ho tsitsa le botsitso ba lihlahisoa tsa rona, re fana ka phepelo e tšepahalang ho fihlela litlhoko tsa 'maraka.
Qetello
Spray Polyurethane Foam (SPF) ke thepa e ntle ea ho thibela mocheso e fanang ka melemo e mengata, ho kenyeletsoa le ho hanyetsa mocheso hantle, ho koala moea le thepa ea thibelo ea mongobo. Tšebeliso ea eona mehahong e ntlafatsa bokhoni ba matla, boiketlo le ho tšoarella. Joaloka mofani oa li-catalyst tsa polyurethane tsa boleng bo holimo, re ikemiselitse ho tšehetsa indasteri ea SPF ka litharollo tse tšepahalang le tse sebetsang. Bakeng sa ba batlang ho ntlafatsa bokhoni ba bona ba ho thibela mocheso le katleho ea mohaho, SPF, e tšehetsoang ke lihlahisoa tsa rona tse tsoetseng pele tsa catalyst, ke khetho e ntle ka ho fetisisa.
Nako ea poso: Phupu-23-2024