GB2314331A - Cyclosiloxanes for LCDs - Google Patents
Cyclosiloxanes for LCDsInfo
- Publication number
- GB2314331A GB2314331A GB9720617A GB9720617A GB2314331A GB 2314331 A GB2314331 A GB 2314331A GB 9720617 A GB9720617 A GB 9720617A GB 9720617 A GB9720617 A GB 9720617A GB 2314331 A GB2314331 A GB 2314331A
- Authority
- GB
- United Kingdom
- Prior art keywords
- formula
- independently chosen
- chosen
- compounds
- phenyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/40—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen or sulfur, e.g. silicon, metals
- C09K19/406—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen or sulfur, e.g. silicon, metals containing silicon
- C09K19/408—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
- C09K19/44—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing compounds with benzene rings directly linked
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
- C09K19/46—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing esters
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Liquid Crystal Substances (AREA)
Abstract
Compounds of general formula (I) of described, wherein n = 3-30; X and Y are independently chosen from C 1-6 alkyl, phenyl or formula (II): (CH 2 ) p O-M, wherein p = 1-20 and M is a group of formula (III), wherein a, b and g are independently chosen from 0 and 1; G is selected from CO 2 , OCO and is a single bond when g=0: j=0-4; F indicates that one or more of the phenyl rings may be laterally fluorinated; Z is chosen from R, OR, CO 2 R, OCOR, CN wherein R is selected from C 1-20 branched or straight chain alkyl and may contain a chiral centre; provided that at least once of X and Y is selected from formula (II). Compounds described by formula (I) may be used in a broad range of applications including liquid crystal devices.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9720617A GB2314331B (en) | 1995-04-07 | 1996-04-04 | Polysiloxanes |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9507316.9A GB9507316D0 (en) | 1995-04-07 | 1995-04-07 | Polysiloxanes |
PCT/GB1996/000837 WO1996031576A1 (en) | 1995-04-07 | 1996-04-04 | Polysiloxanes |
GB9720617A GB2314331B (en) | 1995-04-07 | 1996-04-04 | Polysiloxanes |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9720617D0 GB9720617D0 (en) | 1997-11-26 |
GB2314331A true GB2314331A (en) | 1997-12-24 |
GB2314331B GB2314331B (en) | 1999-05-26 |
Family
ID=26306842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9720617A Expired - Fee Related GB2314331B (en) | 1995-04-07 | 1996-04-04 | Polysiloxanes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2314331B (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0466183A1 (en) * | 1990-07-12 | 1992-01-15 | Consortium für elektrochemische Industrie GmbH | Cyclosiloxanes with mesogenic side groups |
EP0488825A2 (en) * | 1990-11-30 | 1992-06-03 | Shin-Etsu Chemical Co., Ltd. | Liquid crystalline organopolysiloxanes and liquid crystal compositions |
EP0617111A1 (en) * | 1993-03-25 | 1994-09-28 | Sumitomo Chemical Company, Limited | Optically anisotropic material, process for producing it, and retardation plate and liquid crystal display device using same |
EP0704514A2 (en) * | 1994-09-26 | 1996-04-03 | Sumitomo Chemical Company, Limited | Optically anisotropic film |
-
1996
- 1996-04-04 GB GB9720617A patent/GB2314331B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0466183A1 (en) * | 1990-07-12 | 1992-01-15 | Consortium für elektrochemische Industrie GmbH | Cyclosiloxanes with mesogenic side groups |
EP0488825A2 (en) * | 1990-11-30 | 1992-06-03 | Shin-Etsu Chemical Co., Ltd. | Liquid crystalline organopolysiloxanes and liquid crystal compositions |
EP0617111A1 (en) * | 1993-03-25 | 1994-09-28 | Sumitomo Chemical Company, Limited | Optically anisotropic material, process for producing it, and retardation plate and liquid crystal display device using same |
EP0704514A2 (en) * | 1994-09-26 | 1996-04-03 | Sumitomo Chemical Company, Limited | Optically anisotropic film |
Also Published As
Publication number | Publication date |
---|---|
GB9720617D0 (en) | 1997-11-26 |
GB2314331B (en) | 1999-05-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20030404 |