Peipi e kenang ka kotloloho e kenngoeng ka kotloloho e phophoma ke karabelo ea lik'hemik'hale ea lintho tse entsoeng ka polyether polyol composite e sebetsang hantle le polymethyl polyphenyl polyisocyanate joalo ka lisebelisoa tse tala.Liphaephe tsa ho pata ka ho toba li sebelisoa bakeng sa ho kenya letsoho mocheso le merero e batang ea liphaephe tse fapaneng tsa liphaephe tse ka hare le tsa ka ntle, liphaephe tse futhumatsang tse bohareng, lipeipi tse futhumatsang moea, lik'hemik'hale, meriana le lipeipi tse ling tsa indasteri.Kakaretso Ho tloha ha ho tsoaloa lisebelisoa tse entsoeng ka polyurethane lilemong tsa bo-1930, phala ea polyurethane foam insulation e 'nile ea ntlafatsoa ka potlako e le thepa e babatsehang ea ho kenya mocheso oa mocheso,' me mefuta ea eona ea tšebeliso e se e pharalletse le ho feta.E sebelisoa haholo liphaepheng tse fapaneng tse kang ho futhumatsa, ho pholisa, ho tsamaisa oli le lipalangoang tsa mouoane.

Mathata a tloaelehileng le litharollo kahong ea liphaephe ka ho toba patoa mogote insuela

Ketsahalo ena hangata e etsahala nakong ea hoetla le mariha kapa kaho ea hoseng, hobane mocheso o theoha ka tšohanyetso kapa mocheso o tlaase.E ka rarolloa ka ho eketsa mocheso o potolohileng le mocheso oa thepa e ntšo.Ka kakaretso, mocheso oa thepa e ntšo o phahamisetsoa ho 30-60 ° C, 'me mocheso o potolohileng o nyolohela ho 20-30 ° C.

Ketsahalo ena hangata e etsahala nakong ea selemo le lehlabula kapa nakong ea kaho motšehare, hobane mocheso o phahama ka tšohanyetso le mocheso o phahameng haholo.Thepa e ntšo e ka pholile ka metsi a batang kapa ea behoa ka ntle bosiu bakeng sa ho pholile ha tlhaho ho qoba letsatsi le tobileng.

Matla a foam a phala e patiloeng ka ho toba a nyenyane 'me foam e bonolo.Ketsahalo ena e bakoa ke ho se leka-lekane ha karo-karolelano ea lisebelisoa tse ntšo le tse tšoeu.Karolo ea lisebelisoa tse ntšo e ka eketsoa ka nepo (1: 1-1.05).E-ba hlokolosi hore u se ke ua etsa hore karolo ea lisebelisoa tse ntšo e be khōlō haholo, ho seng joalo, e tla etsa hore Foam e be brittle, e leng hape e amang ts'ebetso ea foam.

Phaephe e kenang ka kotloloho e patiloeng e se e le theknoloji e tsoetseng pele e batlang e holile linaheng tse ling tse tsoetseng pele kantle ho naha.Lilemong tse leshome tse fetileng, boenjiniere ba naha ea heso ba futhumatsang le basebetsi ba botekgeniki ba khothaletsa nts'etsopele ea marang-rang a marang-rang a liphaephe tsa lapeng ho ea maemong a holimo ka ho cheka le ho monya theknoloji ena e tsoetseng pele.Liphetho tse sebetsang lilemong tse leshome tse fetileng li pakile ka botlalo hore mokhoa oa ho beha lipeipi tsa mohatsela o patiloeng ka kotloloho o na le melemo e mengata ha o bapisoa le foro ea setso le ho beha holim'a hlooho.Pipe e kenang ka kotloloho ea mogote e kentsoeng ka kotloloho e kopantsoe le phala ea tšepe bakeng sa ho tsamaisa bohareng, sekoaelo se ka ntle sa polyethylene se nang le sekhahla se phahameng, le lera le thata la polyurethane pakeng tsa phala ea tšepe le casing e ka ntle.Hona hape ke matla a ho khanna a ka hare bakeng sa nts'etsopele e potlakileng ea liphaephe tse patiloeng ka ho toba tsa polyurethane mocheso oa mocheso oa naha ea heso.