Selected poly(dianhydrides)

Details Selected poly(dianhydrides) Selected poly(dianhydrides)

1991-12-16

1993-04-27

Dentz, Bernard

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528220, 528271, 528360, 528361, 549239, 549241, C08G 6112, C07D30783

Patent

active

052063356

ABSTRACT:
Poly(dianhydride) compounds having formulae (I) and (II): ##STR1## where m is 0 to 50. ##STR2## wherein n is 0 to 20 and X is bond junction, oxygen atom, sulfur atom, SO.sub.2, C(CF.sub.3), CO, C(CH.sub.3).sub.2, CF.sub.1 --O--CF.sub.2, CH.sub.2, and CHOH.
The compounds are intermediates for certain resins.

REFERENCES:
patent: 3845018 (1974-10-01), Bilow et al.
patent: 4480088 (1984-10-01), Pike
Knothe et al., Makromol. Chem., 190, pp. 1573-1586 (1989) (pp. 1573-1575 provided).
C. E. Sroog, J. Polymer Science, Macromolecular Review, 11, 161 (1976).
A. K. St. Clair and T. L. St. Clair "The Development of Aerospace Polyimide Adhesives" in Polyimides, K. L. Mittal, Ed. vol. 2, Plenum Press, New York (1984).
F. Ramirez, H. Yomanaka, and O. H. Basedow Journal of American Chemical Soc., 83, 173 (1961).
Fausto Ramirez; John S. Ricci, Jr.; Hikotada Tsuboi; James F. Mareck; and Hiroshi Yamanski "Crystal and Molecular Structure of trans-Biphthalyl, C16H8O4. Reaction of Substituted Phthalic Anhydrides with Trialkyl Phosphites" J. Org. Chem., vol. 41, No. 24, 1976, 3909-3914.

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