Polymeric material composed of sheets of polydiacetylene and pol

Details Polymeric material composed of sheets of polydiacetylene and pol Polymeric material composed of sheets of polydiacetylene and pol

1983-12-21

1986-11-25

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

526285, 524408, 524439, 252500, 252512, 252518, 5253281, 525356, 525367, 522186, C08F 246

Patent

active

046247610

ABSTRACT:
An undoped semiconducting polymeric material is provided which is composed of a plurality of parallel sheets of regular two dimensional networks of polydiacetylene and polyacetylene chains interconnected by a plurality of spacer units. In the preferred embodiment the spacer units are methylene with the number of methylene units ranging from 5 to 8. The polymeric material is preferably formed by polymerizing a monomer having the structural formula CH.tbd.C--(CH.sub.2).sub.n --C.tbd.C--C.tbd.C--(CH.sub.2).sub.n --C.tbd.CH. In the preferred embodiment n has a value of 5 to 8.

REFERENCES:
patent: 4220747 (1980-09-01), Preziosi et al.
patent: 4411826 (1983-10-01), Naarmann et al.
Journal of Polymer Science: Polymer Letters Edition, vol. 19, No. 5 227-233, May 1981.
S. Sofia et al., Science 204, 1306 (1979), "Physics Today".

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