Crystallization da Properties na Semi-Aromatic Copolymer Nylon/PA66

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Domin nazarin halin crystallization da kaddarorin na PA66 modified ta daban-daban irin Semi- aromatic copolymerized nailan guduro iri daban-daban na semi- aromatic copolymerized nailan guduro aka kara zuwa PA66 guduro, da kuma sakamakon daban-daban iri da abinda ke ciki na Semi- aromatic. An yi nazarin guduro nailan copolymerized akan halayen crystallization da kaddarorin abubuwan gami.Sakamakon ya nuna nau'o'in nau'ikan resins na nailan masu kamshi mai ƙamshi mai ƙamshi daban-daban suna da halayen crystallization daban-daban da mafi kyawun abun ciki a cikin gaurayawan.Tare da haɓaka abun ciki na poly-m-xylyleneadipamide (MXD6), zafin narkewa (T)m) da zafin jiki na crystallization (Tc) na raguwar haɗuwa, rashin ƙarfi da nakasar thermal na haɗuwa yana ƙaruwa, mc taurin da shayarwar ruwa yana raguwa, kuma yawancin yana da ƙananan tasiri.Lokacin da ƙarin adadin polyphthalamide (PA6T / 6) ya fi girma ko daidai da 40% na ɓangaren resin, halayen crystallization na gauraya ya fara canzawa sosai, ana haɓaka rigidity da nakasar thermal na gauraya, kuma taurin shine. rage.Tare da haɓakar abun ciki na PA6T / 6, shayarwar ruwa na haɗuwa ya ragu, kuma yawancin yana da ɗan tasiri.Lokacin da adadin adadin poly (p-phenyl-pentadiamine) (PA5T) ya fi girma ko daidai da 30% na ɓangaren resin, PA5T ya fara taka rawa a cikin haɗuwa, an rage taurin, an rage yawan sha ruwa.Rushewar ruwa na gauraya da farko yana raguwa sannan kuma yana ƙaruwa tare da haɓakar abun ciki na PA5T, kuma ƙarin adadin PA5T yana da ɗan tasiri akan yawan haɗuwa.Lokacin da adadin polydecamethylene terephthalate (PA10T) ya kasance ƙasa da 40% na ɓangaren resin, Tm kuma Tc na haɗuwa a hankali yana raguwa, ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan mc na gauraya suna haɓaka, kuma taurin yana raguwa.Rushewar ruwa na gauraya yana raguwa tare da karuwar abun ciki na PA10T.Lokacin da aka ƙara zuwa kashi 50 cikin 100 na ɓangaren resin, shayarwar ruwa ba ta raguwa, kuma rashin ƙarfi da nakasar zafi ba a inganta ba.

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Lokacin aikawa: Janairu-16-2024