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mesogenic unit

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mesogenic unit [¦mez·ə¦jen·ik ′yü·nət]
(physical chemistry)
A component of a molecule that induces a mesomorphic or liquid crystalline phase. Also known as mesagen.


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18) introduced mesogenic units in their thermoplastic PU so as to form a liquid crystalline phase in the rubbery region above the soft segment melting point resulting in an increase of the rubbery modulus from 34 to 283 MPa while maintaining acceptable shape fixity and recovery ([greater than or equal to]90%) after training.
Liquid crystalline epoxies, which contain rigid mesogenic units in place of the kinked and flexible structure of bisphenol-A, can be cured so that the resulting network has a liquid crystalline structure consisting of ordered domains of various sizes.
It is well known that mesogenic units on the LCP chain molecules would cause spontaneous anisotropy, or molecular orientation, even in a quiescent condition (1, 8).
 
 
 
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