POROUS POLYAMIDE IMIDE FILM

To provide a porous PAI film capable of achieving high acoustic velocity property (high tensile elastic modulus).SOLUTION: 1) A porous PAI film comprises polyamide imide (PAI) using trimellitic anhydride (TMA) as the acid component, and o-tolidinediisocyanate (TODI) as the isocyanate component, and...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	YOSHINO FUMIKO, MATSUSHITA MUTSUMI, MORIKITA TATSUYA, SHIBATA KENTA, ECHIGO YOSHIAKI, SHIGETA AKIRA, MASAI REIYA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERAL PROCESSES OF COMPOUNDING LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PUBLIC ADDRESS SYSTEMS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	To provide a porous PAI film capable of achieving high acoustic velocity property (high tensile elastic modulus).SOLUTION: 1) A porous PAI film comprises polyamide imide (PAI) using trimellitic anhydride (TMA) as the acid component, and o-tolidinediisocyanate (TODI) as the isocyanate component, and has a porosity of 75 vol.% or more. 2) The porous PAI film has an acoustic velocity of 1,400 m/sec or more.SELECTED DRAWING: None 【課題】高音速性（高い比引張弾性率）を図ることができる多孔質ＰＡＩフィルムの提供。【解決手段】１）酸成分として無水トリメリット酸（ＴＭＡ）、イソシアネート成分としてｏ－トリジンジイソシアネート（ＴＯＤＩ）を用いたポリアミドイミド（ＰＡＩ）からなる多孔質ＰＡＩフィルムであって、気孔率が７５体積％以上であることを特徴とする多孔質ＰＡＩフィルム。２）音速が１４００ｍ／ｓｅｃ以上である前記多孔質ＰＡＩフィルム。【選択図】なし