Composition, treatment agent for liquid crystal alignment, liquid crystal alignment film, and liquid crystal display element
A composition and polymer technology, applied in liquid crystal materials, chemical instruments and methods, coatings, etc., can solve problems such as the increase of substrate unevenness, and achieve the effects of suppressing pinholes, excellent coating properties, and excellent voltage retention.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment
[0281] The following examples are given to illustrate the present invention in more detail, but are not limited thereto.
[0282] "Abbreviations used in the synthesis examples, examples and comparative examples of the present invention"
[0283] Abbreviations used in Synthesis Examples, Examples, and Comparative Examples are as follows.
[0284]
[0285] (Specific side chain type diamine compound of the present invention)
[0286] A1: 1,3-diamino-4-[4-(trans-4-n-heptylcyclohexyl)phenoxy]benzene (the invention has a specific side chain structure shown in formula [1-1] specific side chain type diamine compound)
[0287] A2: 1,3-diamino-4-[4-(trans-4-n-heptylcyclohexyl)phenoxymethyl]benzene (the specific side chain shown in the present invention has formula [1-1] Structure specific side chain type diamine compound)
[0288] A3: 1,3-diamino-4-{4-[trans-4-(trans-4-n-pentylcyclohexyl)cyclohexyl]phenoxy}benzene (with the formula [1-1 ] A specific side chain type diamine compou...
Synthetic example 1
[0336] Mix E1 (5.21g, 26.6mmol), A1 (5.12g, 13.5mmol) and B1 (2.05g, 13.5mmol) in S1 (37.1g) and react at 40°C for 8 hours to obtain a resin with a solid content concentration of 25 Mass % polyamic acid solution (1). The number average molecular weight of this polyamic acid was 25800, and the weight average molecular weight was 86900.
Synthetic example 2
[0338] Mix E2 (3.40g, 13.6mmol), B1 (4.19g, 27.6mmol) and D1 (0.74g, 6.89mmol) in S1 (24.7g), react at 80°C for 5 hours, add E1 (4.00g, 20.4 mmol) and S1 (12.3 g) were reacted at 40° C. for 6 hours to obtain a polyamic acid solution (2) having a resin solid content concentration of 25% by mass. The number average molecular weight of this polyamic acid was 26200, and the weight average molecular weight was 86400.
PUM
Property | Measurement | Unit |
---|---|---|
thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com