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CAS NR.2421-28-5 BTDA

Polyimide Monomers,PI,CPI ,Electronic chemicals ,Optical flims, OLED/LCD
Produktmerkmale
CAS NR.2421-28-5 BTDA
Produktname 3,3′,4,4′-Benzophenonetetracarboxy lic dianhydride (BTDA)
Synonyme 1,3-Isobenzofurandione, 5,5′-carbonylbis-;3,3′,4,4′-Benzophenonetetracarboxylic acid dianhydride;3,3′,4,4′-Tetracarboxybenzophenone dianhydride;3,3’,4,4’-benzophenonetetracarboxylicaciddianhydride;3-Isobenzofurandione,5,5’-carbonylbis-1;4,4′-Carbonylbis[phthalic anhydride];4,4′-Diphthalic anhydride ketone;5,5’-carbonylbis-3-isobenzofurandione
CAS NO 2421-28-5
Erscheinungsbild Orange powder
Assay 99.5%
MF C17H6O7
MW 322.23
EINECS 219-348-1
Zustand der Lagerung Room temperature
Kapazität 1500KG/month
Paket Papierfässer /Fluoridfässer /Eisenfässer /Kunststofffässer/IBC-Tank, etc.
Art der Versendung Auf dem Seeweg, auf dem Luftweg, per Kurier von Tür zu Tür, usw.
Hafen laden China jeder Hafen ,Peking ,Shanghai ,Hongkong
Anmeldung BTDA is important monomer of polyimide, and used for production of polyimide material. The material has high temperature resistance, low temperature resistance, corrosion resistance, radiation resistance, insulation, shock resistance, excellent performance. Can be made into structure parts, laminates, films, adhesives, coatings, insulation materials and reinforcing material, etc., can be widely used in the field of aerospace, electrical / electronics, shipbuilding, automobile, precision machinery.
Product Categories Pharmacetical;Aromatic Tetracarboxylic Dianhydrides (for High-Performance Polymer Research);Benzophenones (for High-Performance Polymer Research);Functional Materials;

Introduction of the Polyimide

Polyimide (sometimes abbreviated PI) is a polymer of imide monomers. Polyimides have been in mass production since 1955. With their high heat-resistance, polyimides enjoy diverse applications in roles demanding rugged organic materials, e.g. high temperature fuel cells, displays, and various military roles. A classic polyimide is Kapton, which is produced by condensation of pyromellitic dianhydride and 4,4′-oxydianiline

 

Feature of

3,3′,4,4′-Benzophenonetetracarboxy lic dianhydride (BTDA) CAS NO.2421-28-5

  1. Excellent thermal stability
  2. Good chemical resistance
  3. Stable mechanical properties
  4. Polyimide does not require the addition of flame retardants to prevent combustion.

 

The related chemicals of

3,3′,4,4′-Benzophenonetetracarboxy lic dianhydride (BTDA) CAS NO.2421-28-5

  1. 9,9-Bis(4-aminophenyl)fluorene (FDA) CAS NO.15499-84-0
  2. 2,3,3′,4′-BiphenyLtetracarboxylic (α-BPDA) CAS NO.36978-41-3
  3. 2,2′-Bis(4-aminophenoxyphenyl) propane (BAPP) CAS NO.13080-86-9
  4. 3,3′-Dimethyl-[1,1′-biphenyl]-4,4′- Diamine (O-Tolidine) CAS NO. 119-93-7
  5. 1,1-Bis(4-aminophenyl) cyclohexane CAS NO.3282-99-3
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