Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1985-02-11
1986-11-11
Kendell, Lorraine T.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428373, D02G 300
Patent
active
046222650
ABSTRACT:
Ultrahigh tenacity, ultrahigh modulus fibers are provided. The fibers are prepared by dissolving a mixture of poly(phenyleneterephthalamide) polymer with an inherent viscosity of at least 5 and a regularly ordered aromatic-aliphatic copolymer with an inherent viscosity of at least 2 in concentrated sulfuric acid to form a spinning solution, which solution is subsequently subject to extrusion by a known per se dry-jet spinning process.
REFERENCES:
patent: 3063966 (1962-11-01), Kwolek et al.
patent: 3869429 (1975-03-01), Blades
patent: 4245066 (1981-01-01), Nakagawa et al.
patent: 4278779 (1981-07-01), Nakagawa
Lee Chul Joo
Min Byung Ghyl
Son Tae Won
Yoon Han Sik
Kendell Lorraine T.
Korea Advanced Institute of Science and Technology
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