Orientation of polymer molecules in rubbed alignment layer and surface anchoring of liquid crystals

In order to better understand liquid crystal alignment on a rubbed polymer surface, the authors investigated the relationship between the orientation of polymer molecules and the surface anchoring strength of liquid crystals on a rubbed surface. Measuring the IR-absorption and the optical retardatio...

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Bibliographic Details
Published inJapanese Journal of Applied Physics Vol. 32; no. 9B; pp. L1339 - L1341
Main Authors EUNG SANG LEE, VETTER, P, MIYASHITA, T, UCHIDA, T
Format Journal Article
LanguageEnglish
Published Tokyo Japanese journal of applied physics 1993
Subjects
Applied sciences
Crystallization
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Properties and characterization
Surface properties
Optical retarder
Molecular orientation
Liquid crystals
Elastomer
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Summary:In order to better understand liquid crystal alignment on a rubbed polymer surface, the authors investigated the relationship between the orientation of polymer molecules and the surface anchoring strength of liquid crystals on a rubbed surface. Measuring the IR-absorption and the optical retardation, it was found that the polymer molecules were oriented parallel to the rubbing direction. The order of molecular orientation in the polymer and the surface anchoring strength of liquid crystal both increased with the rubbing strength.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0021-4922
1347-4065
DOI:10.1143/jjap.32.l1339