EP0235506A2
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Polyoxyalkylene polymers exhibiting nonlinear optical response
Assignee: Celanese Corp
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Filing: 1987-01-13
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Granted: —
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Expires: 2007-01-13
Abstract
Abstract This invention provides novel polyoxyalkylene polymers which exhibit nonlinear optical response, and which have utility as a transparent optical component in electro- optic light modulator devices. An invention side chain liquid crystalline polyoxyalkylene polymer is illustrated by the structure:
Inventors
- 👤 Ronald N. De Martino
- 👤 Hyun-Nam Yoon
- 👤 James B. Stamatoff
- 👤 Alan Buckley
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 03:31
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/361; G02F1/3615; G02F1/3617; C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/22; C08G77/00; C08G77/04; C08G77/38; C09; C09K; C09K19/00; C09K19/04; C09K19/38; C09K19/3833; C09K19/3876; C09K19/388
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
110 words
A polymer which is characterized by a recurring monomeric unit corresponding to the formula: where OX is a main chain polyoxyalkylene polymer; m is an integer of at least 3; S' is a flexible spacer group having a linear chain length of between about 1-25 atoms; X is -NR-, -O-or -S-; R is hydrogen or a C 1 -C 4 alkyl group; Y is or and Z is an electron-donating group or an electron-withdrawing group. From the measurements, there is an indication that a major proportion of the nonlinear optical moieties are aligned parallel to the electric field direction, and the rest are oriented antiparallel to the electric field direction.
Claim 2
Dependent Claim
110 words
A polymer which is characterized by a recurring monomeric unit corresponding to the formula: where OX is a main chain polyoxyalkylene polymer; m is an integer of at least 3; S' is a flexible spacer group having a linear chain length of between about 1-25 atoms; X is -NR-, -O-or -S-; R is hydrogen or a C 1 -C 4 alkyl group; Y is or and Z is an electron-donating group or an electron-withdrawing group. From the measurements, there is an indication that a major proportion of the nonlinear optical moieties are aligned parallel to the electric field direction, and the rest are oriented antiparallel to the electric field direction.
Claim 3
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the polyoxyalkylene polymer contains a recurring oxyethylene monomeric unit.
Claim 4
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the polyoxyalkylene polymer contains a recurring oxypropylene monomeric unit.
Claim 5
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the polyoxyalkylene polymer contains a recurring oxybutylene monomeric unit.
Claim 6
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the polyoxyalkylene polymer contains a recurring oxyisobutylene monomeric unit.
Claim 7
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the polyoxyalkylene polymer contains a recurring oxyphenylethylene monomeric unit.
Claim 8
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the polyoxyalkylene polymer contains a recurring oxycyclohexylethylene monomeric unit.
Claim 9
Dependent Claim
11 words
A polymer in accordance with claim 1 wherein X is -NR-.
Claim 10
Dependent Claim
11 words
A polymer in accordance with claim 1 wherein X is -0-.
Claim 11
Dependent Claim
11 words
A polymer in accordance with claim 1 wherein X is -S-.
Claim 12
Dependent Claim
13 words
A polymer in accordance with claim 1 wherein Z is an electron-donating group.
Claim 13
Dependent Claim
13 words
A polymer in accordance with claim 1 wherein Z is an electron-withdrawing group.
Claim 14
Dependent Claim
71 words
A polymer which is characterized by a recurring monomeric unit corresponding to the formula: where R 2 is hydrogen or a C 1 -C 4 alkyl group; m 1 is an integer of at least 5; n is an integer between about 4-20; X 1 is -NR 1 -, - 0 - or - S -; R is hydrogen or methyl: and Z 1 is -NO 2 , -CN or -CF3.
Claim 15
Dependent Claim
71 words
A polymer which is characterized by a recurring monomeric unit corresponding to the formula: where R 2 is hydrogen or a C 1 -C 4 alkyl group; m 1 is an integer of at least 5; n is an integer between about 4-20; X 1 is -NR 1 -, - 0 - or - S -; R is hydrogen or methyl: and Z 1 is -NO 2 , -CN or -CF3.
Claim 16
Dependent Claim
15 words
A polymer in accordance with claim 13 wherein the polymer exhibits a liquid crystalline phase.
Claim 17
Dependent Claim
61 words
A thermotropic liquid crystalline polymer which is characterized by a recurring monomeric unit corresponding to the formula: where R 2 is hydrogen or a C 1 -C 4 alkyl group; m 1 is an integer of at least 5; n is an integer between about 4-20; X 1 is -NR 1 -, -O- or -S-; R 1 is hydrogen or methyl.
Claim 18
Dependent Claim
61 words
A thermotropic liquid crystalline polymer which is characterized by a recurring monomeric unit corresponding to the formula: where R 2 is hydrogen or a C 1 -C 4 alkyl group; m 1 is an integer of at least 5; n is an integer between about 4-20; X 1 is -NR 1 -, -O- or -S-; R 1 is hydrogen or methyl.
Claim 19
Dependent Claim
14 words
A liquid crystalline polymer in accordance with claim 15 wherein R 2 is hydrogen.
Claim 20
Dependent Claim
14 words
A liquid crystalline polymer in accordance with claim 15 wherein R 2 is methyl.
Claim 21
Dependent Claim
16 words
A liquid crystalline polymer in accordance with claim 15 wherein X 1 is - NH -.
References Cited (Backward Citations)
No citation records indexed.
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