Alkylene-linked aromatic compounds

Details Alkylene-linked aromatic compounds Alkylene-linked aromatic compounds

1975-09-26

1977-07-12

Wyman, Daniel E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260668R, C07C 1512

Patent

active

040354318

ABSTRACT:
In accordance with a preferred embodiment of this invention, an alkylene-linked dixylyl compound having the following structural formula is synthesized, ##STR1## wherein n may vary from 3 to 18. These compounds may be readily oxidized and dehydrated to form the corresponding alkylene-linked dianhydride which is useful as a precursor in the formation of alkylene-linked polyimide compounds and as a cross-linking or hardening agent in many curable polymer systems such as the epoxy resins.

REFERENCES:
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patent: 3441625 (1969-04-01), Bargeron et al.
patent: 3649601 (1972-03-01), Critchley et al.
patent: 3832322 (1974-08-01), Critchley et al.
patent: 3833680 (1974-09-01), Torii
Reuvers et al., CA 71:123335m, (1969).
Physical Constants of Hydrocarbons, vol. III, Egloff, ed., pp. 381, 383, 387, Reinhold Publishing, (1946).

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