Product Details:
CasNo： 36978-41-3
Molecular Formula： C16H6O6
Appearance： White to Almost white powder to crystal.
Packing： Aluminium bag
Throughput： 10000KG/Month
Purity： 99%
As a high-performance polymer, biphenyl-type polyimide exhibits excellent heat resistance, solvent resistance, radiation resistance, as well as superior mechanical and dielectric properties. It holds broad application prospects in fields such as mechanical electronics, aerospace, large-scale electrical machines, hydroelectric turbine bearings, and heat-resistant filter materials.
Compared with polyimides derived from the symmetric isomer 3,3',4,4'-biphenyltetracarboxylic dianhydride (4,4'-BPDA) as the monomer, those based on the asymmetric isomer 2,3,3',4'-biphenyltetracarboxylic dianhydride (3,4'-BPDA) possess a higher glass transition temperature (Tg) and lower melt viscosity, which significantly enhance the processability during material fabrication.
Consequently, the research on substituting 4,4'-BPDA with 3,4'-BPDA as the matrix resin has garnered increasing attention.
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