BPDA or biphenyl-tetracarboxylic acid dianhydride is a
monomer used in the production of some
polyimide
Polyimide (sometimes abbreviated PI) is a polymer containing imide groups belonging to the class of high-performance plastics. With their high heat-resistance, polyimides enjoy diverse applications in roles demanding rugged organic materials, e.g ...
s.
Applications
*Tape automated bonding (TAB), chip on film (COF), lead lock tape, high density flexible printed circuit (FPC), stiffener for FPC, office automation equipment, flexible
solar cells, speaker diaphragms (for mobile phones, plasma televisions and car audio, etc.), heavy electric machinery, office automation equipment, thermal control film for satellites,
printed circuit board
A printed circuit board (PCB; also printed wiring board or PWB) is a medium used in Electrical engineering, electrical and electronic engineering to connect electronic components to one another in a controlled manner. It takes the form of a L ...
s, metallic substrates, sheet heating elements, heat resistance wires.
Characteristics
* Physical, mechanical, electrical, and chemical properties under high-temperature conditions.
* High tensile strength and modulus, and also features outstanding long-term heat resistance.
Analytics
The chemical shifts in
1H and
13C NMR spectroscopy are given in the literature.
The melting point is 299 - 301 °C.
See also
*
Polyamide
*
UPILEX
References
{{DEFAULTSORT:Bpda
Monomers
Biphenyls
Carboxylic anhydrides