Ake sibheke izici zefilimu ye-polyimide

Indlela yokulungiselela ifilimu yile: isisombululo se-polyamic acid siphonswa efilimu, seluliwe, bese silingisa ekushiseni okuphezulu. Ifilimu iphuzi futhi isobala, nokuminyana okuhlobene okungu-1.39~1.45. Inokumelana nezinga lokushisa eliphakeme okuvelele, ukumelana nemisebe, ukumelana nokugqwala kwamakhemikhali kanye nezakhiwo zokuvikela ugesi. Ingasetshenziswa isikhathi eside emoyeni ku-250 ~ 280 ℃. Amazinga okushisa enguquko yengilazi ngokulandelana kwawo 280°C (Upilex R), 385°C (Kapton) nangaphezulu kuka-500°C (Upilex S). Amandla okubamba ama-MPa angama-200 ku-20°C futhi angaphezu kuka-100 MPa ku-200°C. Ifaneleka ngokukhethekile ukusetshenziswa njenge-substrate yebhodi lesifunda ephrintiwe eguquguqukayo kanye nezinto ezihlukahlukene zokushisa eziphakeme eziphikisana nogesi nogesi.

Okokuqala, ake sibheke izici ezibonakalayo zefilimu ye-polyimide

I-Thermosetting polyimide inokuzinza okuhle kakhulu kwe-thermal, ukumelana namakhemikhali kanye nezakhiwo zemishini, futhi ngokuvamile inombala osawolintshi. Amandla aguquguqukayo we-graphite noma i-glass fiber reinforced polyimide angafinyelela ku-345 MPa, futhi i-flexural modulus ingafinyelela ku-20 GPa. I-Thermoset polyimide ine-creep encane kakhulu namandla aqinile aqinile. Izinga lokushisa elisetshenziswayo le-polyimide lihlanganisa ububanzi obubanzi, ukusuka kokususa amadigri ayikhulu ukuya ku-Baidu amabili noma amathathu.

Ake sibheke izakhiwo zamakhemikhali zefilimu ye-polyimide.

I-Polyimide izinzile kumakhemikhali. I-Polyimide ayidingi ukwengeza i-flame retardant ukuvimbela ukuvutha. Ama-polyimides avamile amelana nezinyibilikisi zamakhemikhali njengama-hydrocarbon, ama-ester, ama-ether, ama-alcohol nama-chlorofluorocarbons. Ziphinde zimelane nama-asidi abuthakathaka kodwa azinconywa ukuthi zisetshenziswe ezindaweni eziqinile ze-alkali kanye ne-inorganic acid. Ama-polyimides athile njenge-CP1 ne-CORIN XLS ayancibilika kuzincibilikisi. Lesi sakhiwo sisiza ukuthuthukisa izinhlelo zabo zokusebenza ku-spray coating kanye nokushisa okuphansi kwe-crosslinking.