Spherical porous polyimide powder

Details Spherical porous polyimide powder Spherical porous polyimide powder

1984-06-04

1985-05-28

Foelak, Morton

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

4284735, 521 56, 521 60, 521180, 521183, 521184, 521185, 521189, B32B 516

Patent

active

045200718

ABSTRACT:
A spherical porous polyimide powder which is thermally infusible and is insoluble in an organic solvent, comprising spherical porous particles of a weight average particle diameter of 1 to 20 .mu.m comprising an aromatic polyimide having an inherent viscosity measured in sulfuric acid at a concentration of 0.5 g/dl at temperature of 30.+-.0.01.degree. C. of 0.1 to 2.0, wherein a packed bulk density is 100 to 600 g/l and a specific surface area measured by a nitrogen absorption method is 1 m.sup.2 /g or more.

REFERENCES:
patent: 4296208 (1981-10-01), Gagliani et al.
patent: 4315076 (1982-02-01), Gagliani et al.
patent: 4315077 (1982-02-01), Gagliani et al.
patent: 4332656 (1982-06-01), Gagliani et al.
patent: 4355120 (1982-10-01), Gagliani et al.
patent: 4394464 (1983-07-01), Gagliani et al.
patent: 4425441 (1984-01-01), Gagliani et al.
patent: 4426463 (1984-01-01), Gagliani et al.

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