Don rage farashin samfur da samun ƙarin aiki,polyurethane thermoplasticAna iya amfani da elastomers kamar yadda aka saba amfani da su don ƙarfafa abubuwa masu ƙarfi na thermoplastic da gyare-gyaren roba.
Sakamakonpolyurethanekasancewar polymer polar sosai, yana iya dacewa da resins na polar ko roba, kamar lokacin da aka yi amfani da su tare da chlorinated polyethylene (CPE) don samar da samfuran likita; Haɗuwa tare da ABS na iya maye gurbin amfani da robobi na thermoplastic injiniya; Lokacin da aka yi amfani da shi tare da polycarbonate (PC), yana da kaddarorin kamar juriya na mai, juriya na man fetur, da juriya mai tasiri, kuma ana iya amfani dashi don yin jikin mota; Haɗawa tare da polyester na iya inganta aikin taurinsa; Bugu da ƙari, yana iya dacewa da kyau tare da polyvinyl chloride, polyoxymethylene (POM), ko polyvinylidene chloride; Polyester polyurethane zai iya dacewa da kyau tare da 15% nitrile roba ko 40% nitrile roba / polyvinyl chloride cakuda roba; Polyether polyurethane kuma zai iya dacewa da kyau tare da 40% nitrile roba / polyvinyl chloride gauraye m; Hakanan zai iya zama mai jituwa tare da acrylonitrile styrene (SAN) copolymers; Yana iya samar da tsarin hanyar sadarwa mai shiga tsakani (IPN) tare da polysiloxanes mai amsawa. An riga an samar da mafi yawan abin haɗaɗɗen manne da aka ambata a sama bisa hukuma.
A cikin 'yan shekarun nan, an sami karuwar adadin bincike akan ƙarfin POM taTPUa kasar Sin. Haɗin TPU da POM ba wai kawai yana haɓaka juriya mai zafi da kayan aikin injiniya na TPU ba, har ma yana ƙarfafa POM sosai. Wasu masu bincike sun nuna cewa a cikin gwaje-gwajen ƙwanƙwasawa, idan aka kwatanta da matrix POM, POM alloys tare da ƙari na TPU suna jurewa daga raguwa zuwa raguwa. Ƙarin TPU kuma yana ba da POM tare da aikin ƙwaƙwalwar ajiya. Yankin crystalline na POM yana aiki a matsayin ƙayyadaddun lokaci na ƙirar ƙwaƙwalwar ajiya, yayin da yankin amorphous na TPU da POM amorphous yana aiki azaman lokaci mai juyawa. Lokacin da zazzabi mayar da martani ne 165 ℃ da dawo da lokaci ne 120 s, da dawo da kudi na gami kai kan 95%, da dawo da sakamako ne mafi kyau.
TPU yana da wuyar dacewa da kayan da ba na polar polar kamar polyethylene, polypropylene, ethylene propylene roba, butadiene roba, isoprene roba, ko sharar gida foda, kuma ba zai iya samar da hadaddun kayan da kyau yi. Don haka, ana amfani da hanyoyin jiyya na sama kamar plasma, fitarwar corona, jikakken sinadarai, firamare, harshen wuta, ko iskar gas na ƙarshe. Misali, samfuran iska na Amurka da kamfanonin sinadarai na iya haɓaka ƙimar lanƙwasawa, ƙarfin ƙarfi, da kuma sa juriya na ultra-high molecular weight polyethylene fine foda tare da nauyin kwayoyin 3-5 miliyan bayan F2/O2 aiki saman saman jiyya, da kuma ƙara shi zuwa polyurethane elastomers a cikin rabo na 10%. Haka kuma, F2/O2 aiki saman gas jiyya za a iya amfani da daidaitacce elongated gajerun zaruruwa tare da tsawon 6-35mm da aka ambata a sama, wanda zai iya inganta stiffness da hawaye taurin na composite abu.
Lokacin aikawa: Janairu-19-2024