1,3-Bis(3,4-dicarboxyphenoxy-4-phenyl-2-propyl)benzene dianhydride [Bisphenol M diether dianhydride]/1,4Phenylenediamine/dried a

Name: 1,3-Bis(3,4-dicarboxyphenoxy-4-phenyl-2-propyl)benzene dianhydride [Bisphenol M diether dianhydride]/1,4Phenylenediamine/dried a
Database: NASA Langley Research Center Database
Category: Polyamides
Composition: Composition of BMDEDA - 1,3-Bis(3,4-dicarboxyphenoxy-4-phenyl-2-propyl)benzene dianhydride [Bisphenol M diether dianhydride] - A mixture of bisphenol M (34.65 g, 0.10 mole), 4-fluorophthalic anhydride (36.54g, 0.22 mole), spray dried KF (17.43g, 0.30 mole
Manufacturer: 1,3-Bis(4-hydroxyphenyl-2-propyl)benzene (bishpenol M) - Ken Seika Corp. 4-fluorophthalic anhydride - Occidental Chemical Corp.
Technical Readiness Level: N/A
Last Modified: 2003-07-14

Description:

  • This material is a polyimide film which was created in an effort to identify potential liquid crystalline polyimides. Polyamic acid was prepared by the reaction of 1,3-Bis(3,4-dicarboxyphenoxy-4-phenyl-2-propyl)benzene dianhydride [Bisphenol M diether dianhydride] BMDEDA and 1,4Phenylenediamine (p-PDA) in DMAc under a nitrogen atmosphere at 23¡C. The thin film was cast from the polyamic acid solution and thermally imidized during a stage cure to 200¡C in flowing air.

Point of Contact:

  • Catherine Fay
  • NASA Langley Research Center
  • c.c.fay@larc.nasa.gov

Pictures:

  • N/A

Properties at Standard Conditions
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Property Value Units Uncertainty Source STP Reference Last Modified Additional Data
Tensile Strength (Isotropic)1 9.79e+07 Pa 4.90e+05 measured TRUE 1 2006-01-05
Tensile Yield Strength (Isotropic)2 9.79e+07 Pa 4.90e+05 measured TRUE 1 2006-01-05
Tensile Modulus (In-Plane)3 3.13e+09 Pa 1.57e+07 measured TRUE 1 2006-01-05

Notes:

  • 1. Determined according to ASTM D882 using a minimum of five specimens.
  • 2. Determined according to ASTM D882 using a minimum of five specimens.
  • 3. Determined according to ASTM D882 using a minimum of five specimens.

Property References:

  • 1. C.C. Fay, J.G. Smith, T.L. St. Clair: Potential Liquid Crystalline Polyimides:Polymer Preprints:TPSX Ref. #147.

General References:

  • 1. C.C. Fay, J.G. Smith, T.L. St. Clair: Potential Liquid Crystalline Polyimides:Polymer Preprints:TPSX Ref. #147.