I-polyurethane foam inezindima ezihlukahlukene ezisebenzayo ekuphileni kwethu, njengegebe phakathi kwama-baffles nophahla olumisiwe, i-cavitation phakathi ne-Windows, amafreyimu eminyango, izindonga, igebe phakathi kophahla noshimula, izimbobo zomoya, izimbobo zamagundane, njll. ., ingasetshenziswa ukulungisa i-caulking. Manje, ngencazelo "yefenisha yasekhaya yokuvikela imvelo" isiye yaziwa kancane kancane, umklamo wokuvikela imvelo oluhlaza, izinto ezintsha zokuhlobisa eziluhlaza, ifenisha eluhlaza nokunye kuyabusa emakethe, i-foam caulk nayo ibalwe njengeyonga amandla futhi impahla yokuvikela imvelo.
Inqubo ye-Foaming yendlela ye-prepolymer ukwenza i-balck material kanye nezinto ezimhlophe zibe yi-prepolymer, bese wengeza amanzi, i-metal catalyst, i-surfactant, i-preservative nokunye ku-prepolymer ukuze i-mis kanye negwebu ngaphansi kwentambo yesivinini esikhulu, ukuphulukisa ezingeni lokushisa elithile. kungaba njalo.
INDLELA YE-SEMI-PREPOLYMER
ISINYATHELO ESISODWA INKQUBO YOKUKWEHLISA Igwebu
Inqubo yokukhiqiza yenjoloba yegwebu le-polyurethane ihlukaniswe ikakhulukazi ibe izinhlobo ezimbili, enye igwebu lobuchwepheshe, enye igwebu ngomshini. Zombili zindala futhi zintsha, eyodwa yokwenziwa kanye neyodwa yomshini, okungabameleli ababili abahlukene emlandweni wokukhiqizwa kwegwebu le-polyurethane. Ake sibheke izici ezihlukene zalezi zindlela ezimbili zokukhihliza amagwebu.
I-1.n ukungabikho komshini wokugwedla, inani lesikhunta kanye nesidingo semikhiqizo ye-foam ayinkulu, ingakhetha indlela yokubunjwa kokubunjwa. Izinga lokukhiqizwa komsebenzi ogwebuzelayo liphansi, izinga lokusebenzisa izinto liphansi, futhi izinto eziningi zinamathela odongeni lwesitsha. Isivuno futhi siphansi. Ukwakhiwa kwamafomula amasha, kanye nokuhlolwa okujwayelekile kanye nokulungisa iphutha lefomula yohlelo lwezinto ezibonakalayo ngaphambi kokukhiqizwa, ngokuvamile kudingeka kwenziwe ukuhlolwa okuncane elabhorethri, okungukuthi, ukwenza ucwaningo olugcwele amagwebu. Ekukhiqizeni, le ndlela ifaneleka kuphela ekwakhiweni kwesikhashana kwesizinda esincane, ukukhiqizwa kwemikhiqizo embalwa engabunjiwe noma ukwenziwa kwamanye amasampula egwebu.
2. I-Mechanical Foaming iyindlela yokwenza i-emulsion, ukumiswa noma isisombululo se-polymer bubble ngokuxuba okukhulu kwemishini. Ukukhiqizwa kwenqwaba, ukwakhiwa kwezinga elikhulu, ngokuvamile kukhetha ukusebenza komshini wokwenza amagwebu, ukusebenza kahle okuphezulu. Isiqondiso sokuthuthukiswa komshini we-polyurethane foam nakho kuwumsebenzi obalulekile wesayensi yezenhlalo yesimanje.
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