Membranes made of cast polyarylate film
作者： Jürgen Nick , Ulrich Siemann
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摘要: Disclosed are deep-drawn membranes made of cast polyarylate films, at least comprising a (PAR) having structural unit formula (I), in which R1, R2, R3, and R4 independently present hydrogen, C1-4 alkyl, alkoxy, or halogen while R5 R6 represent phenyl, halogen. Also disclosed is the use PAR films as sound transducers, preferably microphone loudspeaker membranes. The invention further relates to for producing said membranes, solutions methods films.
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