Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1989-09-01
1992-02-11
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528347, 528348, 528350, C08G 6926
Patent
active
050876910
ABSTRACT:
New polyphenylated polynuclear aromatic diamines, such as 1,3-bis[4-aminophenyl]-2,3,5-triphenylbenzene, a process for their manufacture and their use as polycondensation components for the manufacture of polyamide, polyamide-imide and polyimide polymers are described. The polymers obtained with the aromatic diamines according to the invention are readily soluble, rigid-rod polymers and are distinguished by outstanding modulus, tensile compression strength, energy absorption, coefficient of expansion and electrical properties.
REFERENCES:
patent: 4239880 (1980-12-01), Darms
patent: 4485140 (1984-11-01), Gannatt et al.
Harris et al., "Soluble Aromatic Polyimides Derived from New Phenylated Diamines", Poly. Mater. Sci. 60, 187-91 (1989).
Anderson Harold D.
Mosley T.
University of Akron
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