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Benzophenone Tetracarboxylic Dianhydride (BTCDA)

A high performance aromatic dianhydride used in advanced polymers, electrical insulation and specialty coating applications.

CAS NO.
2421-28-5
MOL WT.
322.23
SYNONYM
BTDA · 3,3',4,4'-Benzophenone-tetracarboxylic dianhydride
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STRUCTURE
Quality Management

Application Across Industries

Wire Enamels & Electrical Insulation
Aromatic dianhydride monomer for PI, PAI & PEI wire enamels, resins and varnishes used in motors, transformers and EV drives.
Process Control
High-Temperature Polyimide Films, Tapes & Adhesives
Building block for thermally stable, high-Tg polyimides used in flexible circuits, insulating films and high-heat structural adhesives.
Quality Testing
Epoxy & Powder Coatings
Curing agent & crosslinker for high-temperature powder and specialty coatings — non-stick cookware, coil/can coatings and PCB laminates.
Documentation
Composites & Specialty Polymers
Matrix resin for aerospace and high-performance composites; also photosensitive polymers, membranes and fine-chemical intermediates.
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