Kayayyaki

Abubuwan haɗin polypropylene (PP) da polyamide 6 (PA6) tare da nau'ikan carbon nanotubes masu yawa (MWNTs) an shirya su ta amfani da dabarun sarrafawa daban-daban a cikin tagwayen micro-compounder.An bincika tasirin MWNTs akan halayen crystallization na lokaci na PP da lokaci na PA6 na gauraya ta hanyar binciken da ba na isothermal crystallization ta hanyar nazarin calorimetric na daban-daban.Bugu da ƙari kuma, tasirin ƙari na compatibilizer (PP-g-MA) da gyare-gyare na MWNTs (m-MWNTs) tare da mai gyara kwayoyin halitta marasa daidaituwa (Li-gishiri na 6 amino hexanoic acid, Li-AHA) yana da ma. An yi nazari a cikin mahallin zuwa halayen crystallization na PP da PA6 a cikin haɗuwa.Nazarin crystallization sun nuna babban haɓakar yawan zafin jiki na crystallization na lokacin PP a cikin haɗuwa a gaban MWNTs.Haka kuma, samuwar tsarin 'trans-lamellar crystalline' wanda ya ƙunshi PA6 'trans-crystalline lamellae' akan saman MWNTs an sauƙaƙe shi a cikin yanayin gauraye da aka shirya ta hanyar' yarjejeniya 2' kamar yadda aka kwatanta da gauraye masu dacewa waɗanda aka shirya ta hanyar' yarjejeniya 1' .Binciken diffraction X-ray mai faɗi ya nuna wanzuwar β-polymorph na lokaci na PP saboda haɗawar lokaci na PA6 a cikin haɗuwa.Ƙara na MWNTs a cikin gaurayawan ya sauƙaƙe ƙarin haɓakar tsarin β-crystalline na lokacin PP.A gaban m-MWNTs, an lura da mafi girman β-gutu a cikin lokacin PP idan aka kwatanta da haɗuwa tare da MWNTs masu tsabta.Ƙara PP-g-MA ya kawar da samuwar β-lokaci a cikin lokacin PP a cikin haɗuwa.Binciken rubutun X-ray mai girma ya nuna cewa haɗawa da PA6 da kuma MWNTs masu tsabta / gyare-gyare sun yi tasiri ga iyakar jujjuyawar sarƙoƙi na PP zuwa takamaiman jirage na kristal a cikin nau'i-nau'i daban-daban na PP da PA6.