Molecular composites
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United States of America Patent
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Sep 13, 1994
Grant Date -
N/A
app pub date -
Jun 16, 1993
filing date -
Jun 16, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Monomers containing two diacetylene segments each of which is connected on one end through a spacer segment to a central mesogen segment, and on the other end to an additional spacer segment, are topochemically polymerized in a molecularly ordered phase to produce homogeneous molecular composites. A preferred monomer embodiment comprises a compound of the formula H--(CH.sub.2).sub.m --C.tbd.C--C.tbd.C--(CH.sub.2).sub.n --CO--O--R.sub.1 --O--CO--(CH.sub.2).sub.n --C.tbd.C--C.tbd.C--(CH.sub.2).sub.m H where m and n are the number of repeating units, and R.sub.1 is a biphenylene mesogen.
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