BPDA or biphenyl-tetracarboxylic acid dianhydride is a
monomer
A monomer ( ; ''mono-'', "one" + '' -mer'', "part") is a molecule that can react together with other monomer molecules to form a larger polymer chain or two- or three-dimensional network in a process called polymerization.
Classification
Chemis ...
used in the production of some
polyimide
Polyimide (sometimes abbreviated PI) is a monomer 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, suc ...
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 cell
A solar cell, also known as a photovoltaic cell (PV cell), is an electronic device that converts the energy of light directly into electricity by means of the photovoltaic effect. s, 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 called printed wiring board (PWB), is a Lamination, laminated sandwich structure of electrical conduction, conductive and Insulator (electricity), insulating layers, each with a pattern of traces, planes ...
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
A polyamide is a polymer with repeating units linked by amide bonds.
Polyamides occur both naturally and artificially. Examples of naturally occurring polyamides are proteins, such as wool and silk. Artificially made polyamides can be made throug ...
*
UPILEX
References
{{DEFAULTSORT:Bpda
Monomers
Biphenyls
Carboxylic anhydrides