Title:
LIQUID CRYSTAL ALIGNING AGENT AND LIQUID CRYSTAL ALIGNING FILM USING SAME
Document Type and Number:
WIPO Patent Application WO/2015/012316
Kind Code:
A1
Abstract:
Provided is a liquid crystal aligning agent capable of forming a liquid crystal aligning film which exhibits high adhesion to a sealing agent and a substrate that are used in making a liquid crystal display element and which exhibits improved interface characteristics between the aligning film and a liquid crystal. A liquid crystal aligning agent comprising components (A), (B) and (C): (A) a polyamic acid ester obtained by polycondensation of a tetracarboxylic acid dialkyl ester derivative which comprises at least 60mol% of a tetracarboxylic acid dialkyl ester derivative represented by formula (1) with at least one diamine selected from the group consisting of diamines represented by formulae (2) to (5) [wherein R1 is C1-5 alkyl, R2 is hydroxyl or the like, Me is methyl or the like, A1 is a bond or the like, A2 is a halogen atom or the like, and a is an integer of 1 to 4]; (B) a polyamic acid obtained by polycondensation of a tetracarboxylic dianhydride with a diamine; and (C) a bi- or poly-functional (meth)acrylic acid or a derivative thereof.
Inventors:
MANDAI ATSUHIKO (JP)
HORI TAKAO (JP)
NOGUCHI YUHO (JP)
HORI TAKAO (JP)
NOGUCHI YUHO (JP)
Application Number:
PCT/JP2014/069470
Publication Date:
January 29, 2015
Filing Date:
July 23, 2014
Export Citation:
Assignee:
NISSAN CHEMICAL IND LTD (JP)
International Classes:
G02F1/1337; C08F2/44
Domestic Patent References:
| WO2012133826A1 | 2012-10-04 | |||
| WO2011115118A1 | 2011-09-22 |
Foreign References:
| JP2007304509A | 2007-11-22 |
Attorney, Agent or Firm:
SENMYO, Kenji et al. (JP)
Spring name Kenji (JP)
Spring name Kenji (JP)
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