Lihlahisoa tsa polyurethane tse bonolo tsa foam haholo-holo li kenyelletsa li-block, tse tsoelang pele, seponche, foam e phahameng ea ho tiea (HR), foam ea letlalo, foam e tsitsitseng butle, foam e nyane le foam e thata e monyang matla.Mofuta ona oa foam o ntse o etsa karolo ea 50% ea kakaretso ea sehlahisoa sa polyurethane.Ho na le lihlahisoa tse fapaneng tse fapaneng mme boholo ba ts'ebeliso bo ntse bo eketseha, 'me ba kentse letsoho mafapheng a fapaneng a moruo oa naha: lisebelisoa tsa lapeng, likoloi, ntlafatso ea matlo, thepa ea ka tlung, literene, likepe, sefofane le masimo a mang a mangata.Ho tloha ho qaleha ha foam e bonolo ea PU lilemong tsa bo-1950, haholo kamora ho kena lekholong la bo21 la lilemo, theknoloji, mefuta e fapaneng, le tlhahiso ea lihlahisoa kaofela li tsoetse pele.Lintlha-khōlō li kenyelletsa: foam e bonolo ea PU, e leng lihlahisoa tse tala tsa polyurethane;boleng bo tlase ba VOC PU foam e bonolo;tlase atomization PU bonolo foam;metsi a tletseng PU foam e bonolo;e tletseng MDI letoto le bonolo foam;lelakabe le retang, mosi o tlase, foam e felletseng ea MDI;Li-additives tse ncha tse kang li-catalysts tsa polymer tse sebetsang, li-stabilizers, li-flame retardants le li-antioxidants;li-polyols tse nang le li-unsaturation tse tlaase le tse nang le joala bo tlaase;Foam e tenyetsehang ea PU e nang le thepa e ntle haholo ea 'mele;maqhubu a tlase a resonance, foam e bonolo ea phetisetso ea PU;polycarbonate diol, polye-caprolactone polyol, polybutadiene diol, polytetrahydrofuran le polyols tse ling tse khethehileng;mokelikeli CO2 foaming thekenoloji, khatello e mpe ea foaming thekenoloji, joalo-joalo Ka bokhutšoanyane, ho hlaha ha mefuta e mecha le theknoloji e ncha ho khothalelitse tsoelo-pele e tsoelang pele ea PU soft foam.
Molao-motheo o phophomang
Bakeng sa ho kopanya foam e bonolo ea PU e fihlelang litlhoko, hoa hlokahala ho utloisisa molao-motheo oa karabelo ea lik'hemik'hale ea sistimi ea foam ho khetha lisebelisoa tse ka sehloohong le tse thusang tse tala le lits'ebetso tsa tlhahiso.Nts'etsopele ea indasteri ea polyurethane ha e sa le sethala sa ho etsisa, empa e lemohuoa ka sebopeho sa thepa e tala le mokhoa oa ho kopanya ho latela litlhoko tsa ts'ebetso ea sehlahisoa sa ho qetela.Foam ea polyurethane e kenya letsoho liphetohong tsa lik'hemik'hale nakong ea ts'ebetso ea ho kopanya, 'me lintlha tse amang thepa ea sebopeho sa foam li rarahane, ha li ame feela karabelo ea lik'hemik'hale tsa isocyanate, polyether (ester) joala le metsi, empa hape le k'hemistri ea colloid ea foaming.Liphetoho tsa lik'hemik'hale li kenyelletsa ho atolosoa ha ketane, ho foaming le ho hokahanya.E boetse e ama sebopeho, mosebetsi le boima ba limolek'hule tsa lintho tse amehang karabelong.Karabelo e akaretsang ea ho qaptjoa ha foam ea polyurethane e ka hlalosoa ka mokhoa o latelang:
Nako ea poso: Sep-06-2022