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21.
公开(公告)号:DE19639445A1
公开(公告)日:1998-04-02
申请号:DE19639445
申请日:1996-09-25
Applicant: SIEMENS AG , BASF AG , FRAUNHOFER GES FORSCHUNG
Inventor: NORDMANN JENS DR , BECKMANN STEFAN DR , ETZBACH KARL-HEINZ DR , SENS RUEDIGER DR , BAUER MONIKA PROF DR , KRUEGER HARTMUT DR , BAUER JOERG DR , GUENZELMANN CORNELIUS DR , HARTMANN HORST PROF DR , WALTER ANDREAS DR
Abstract: In electro-optical and photonic devices with a functional layer of oriented, cross-linked non-linear optical (NLO) polymer between 2 buffer layers, the polymer is a polyadduct (I) containing a NLO grouping, derived from (a) NLO active compound(s) (II) containing glycidyl ether or glycidyl ester groups reacting with cyanate groups and (b) organic di- or polycyanate(s) (III).
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公开(公告)号:DE19639382A1
公开(公告)日:1998-03-26
申请号:DE19639382
申请日:1996-09-25
Applicant: SIEMENS AG , BASF AG , FRAUNHOFER GES FORSCHUNG
Inventor: NORDMANN JENS DR , BECKMANN STEFAN DR , ETZBACH KARL-HEINZ DR , SENS RUEDIGER DR , BAUER MONIKA PROF DR , KRUEGER HARTMUT DR , BAUER JOERG DR , GUENZELMANN CORNELIUS DR
Abstract: In electro-optical and photonic devices with a functional layer of oriented, cross-linked non-linear optical (NLO) polymer between 2 buffer layers, the polymer is a polyadduct (I) containing a NLO grouping, derived from (a) an NLO active copolymer (II) containing glycidylamino groups reacting with cyanate groups and (b) organic di- or polycyanate(s) (III). Also claimed is a method of making the devices.
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公开(公告)号:DE19539293A1
公开(公告)日:1997-04-24
申请号:DE19539293
申请日:1995-10-23
Applicant: BASF AG
Inventor: GRUND CLEMENS DR , HOLDERBAUM MARTIN DR , REICHELT HELMUT DR , BECKMANN STEFAN DR
IPC: C07C253/30 , C07C255/19 , C07C253/34 , C07D309/10
Abstract: Preparation of cyanoacetic acid alkyl esters of formula (I) by reaction of cyanoacetic acid with an alcohol R(OH)n in an aqueous medium is carried out in the presence of an inert solvent, and during the reaction water and solvent are distilled off at atmospheric or reduced pressure. (NC-CH2-COO)nR (I). R = 6-20C aliphatic group, optionally containing 1-3 ether O atoms in the C chain ; and n = 1-6.
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公开(公告)号:DE4412983A1
公开(公告)日:1995-10-19
申请号:DE4412983
申请日:1994-04-15
Applicant: BASF AG
Inventor: BECKMANN STEFAN DR , ETZBACH KARL-HEINZ DR , SENS RUEDIGER DR
IPC: B41M5/385 , B41M5/388 , B41M5/39 , C07D277/20 , C07D277/40 , C07D277/42 , C07D277/50 , C07D333/28 , C07D333/32 , C07D333/34 , C07D333/36 , C07D333/38 , C07D333/42 , C07D417/12 , C09B29/033 , C09B57/00 , C09B69/10 , G02F1/35 , G02F1/355 , G02F1/361 , C07D417/14 , D06P1/41 , C09B31/08
Abstract: Phenol derivatives of the general formula (I) in which R , R , R , X, Y and Z have the meanings given in the description, a process for their production and their use, especially in non-linear optics.
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公开(公告)号:DE4408199A1
公开(公告)日:1995-09-14
申请号:DE4408199
申请日:1994-03-11
Applicant: BASF AG
Inventor: BECKMANN STEFAN DR , ZENTEL RUDOLF PROF DR , DOERR MICHAEL , EICH MANFRED DR
IPC: G02F1/35 , C08F8/00 , C08F8/30 , C08F26/00 , C08F222/40 , C08F226/02 , C09K19/38 , G02F1/355 , G02F1/361 , C09B69/10
Abstract: Copolymers of formula (I), based on dicarboxylic acid imides, alkenyl isocyanates and/or alkenyl urethanes are claimed, as are also (i) prepn. of (I) by free radical polymerisation of 30-70 mol.% monomer of formula (III) corresp. to the `b' units and 70-30 mol.% cyclic monomer of formula (IV) corresp to the `c' units, opt. with up to 50 mol.% comonomer, the copolymer thus obtd. then being reacted with H-X-Y-Z; and (ii) use of (I) in non-linear optics. In formulae (I), (III) and (IV), R -R = H or 1-20C alkyl (opt. substd. and/or opt. contg. a heteroatom); R = H, 1-10C alkyl (opt. substd. by Ph or OH), phenyl or benzyl (each opt. substd. by one to four 1-6C alkyl or alkoxy gps), 3-8C cycloalkyl, phenylethyl, diphenylmethyl, naphthyl, carbazoyl, isobornyl, adamantyl or 9-fluorenyl; X = O or NH; Y = 1-20C alkylene, (-CH2O)n-, -(CH2CH2O)n- or -(CH2CH(Me)O)n-, with n = 1-15; Z = H or an opt. substd. residue D with nonlinear optical (NLO) properties; M = comonomer; a and c = 0.3-0.7; and b and d = 0-0.3, with a+b+c+d = 1.
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公开(公告)号:DE4403813A1
公开(公告)日:1995-08-10
申请号:DE4403813
申请日:1994-02-08
Applicant: BASF AG
Inventor: BECKMANN STEFAN DR , ETZBACH KARL-HEINZ DR , SENS RUEDIGER DR
IPC: C07D213/57 , C07D215/12 , C08F36/22 , C08F220/30 , C08F222/30 , G02F1/361 , C07D215/20 , C07D215/10 , C07D213/20 , C07D405/12 , C08F236/14 , C08F236/22 , G02F1/35
Abstract: Pyridine cpds. of formula (I) are new; ring A may be benzo-annelated; n = 0-6; R = 1-13C alkyl, opt. substd. by OH or (meth)acryloxyloxy and opt. with 1 or 2 ether O atoms in the chain; 3-7C cycloalkyl; or 2-10C alkenyl; R , R = H; 1-13C alkyl; 3-7C cycloalkyl; 1-8C alkoxy; prop-l-en-3-yl; (meth)acryloyloxy; oxiranylmethyl; or oxiranyl:methoxy. Cpd. (IA) (I; R - Me, R = R = H; n = O) is excluded. Also claimed are polymers (II) containing divalent units deriv. from (I) and opt. comonomers units.
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公开(公告)号:DE4335541A1
公开(公告)日:1995-04-20
申请号:DE4335541
申请日:1993-10-19
Applicant: BASF AG
Inventor: BECKMANN STEFAN DR , ETZBACH KARL-HEINZ DR , SENS RUEDIGER DR , HAEBERLE KARL DR
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公开(公告)号:DE4321166A1
公开(公告)日:1995-01-05
申请号:DE4321166
申请日:1993-06-25
Applicant: BASF AG
Inventor: BECKMANN STEFAN DR , ETZBACH KARL-HEINZ DR , SIEMENSMEYER KARL DR , SENS RUEDIGER DR
IPC: C09B33/06 , C09B33/16 , C09B33/24 , C09B43/26 , C09B43/30 , C09B69/00 , D06P1/04 , G02F1/35 , G02F1/355 , G02F1/361 , C09B43/00 , C09B43/18 , C09B29/08 , C09B29/095 , C09B29/36 , C09B29/42 , C09B31/043 , D06P1/18 , C09K19/60
Abstract: Azo dyes of the formula W(-X-Y-Chr)n where n is from 2 to 6, Y is C1-C6-alkylene, Chr is the radical of a mono- or polyazo dye, X is a radical of the formula CO-O or O-CO and W is an n-valent radical derived from a substituted or unsubstituted C2-C20-alkane, a substituted or unsubstituted C4-C7-cycloalkane, a substituted or unsubstituted benzene or a substituted or unsubstituted naphthalene, or, where n is 4, can also be silicon, and their use in nonlinear optics or for dyeing or printing textile materials.
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公开(公告)号:DE4237639A1
公开(公告)日:1994-05-11
申请号:DE4237639
申请日:1992-11-07
Applicant: BASF AG
Inventor: ETZBACH KARL-HEINZ DR , BECKMANN STEFAN DR
IPC: C08F20/60 , C08F8/00 , C08F20/52 , C08F220/58 , C09B69/10 , G02F1/35 , G02F1/355 , G02F1/361 , C08F8/30 , C08F20/36 , H04B10/00 , G09F9/35
Abstract: A process for preparing (meth)acrylate polymers with lateral non-linear optical chromophores and molecular weights of from 5000 to 500,000, comprises reacting polymers of (meth)acryloyl isocyanate in solution with D- omega -hydroxyalkyl chromophores of the formula (I) (I) where D is an electron donor, A is an electron acceptor, R1, R2, R3 and R4 can be identical or different and are each H, alkyl, cycloalkyl, alkoxy or R3 and R4 are each CN, NO2 or CHO or R1 and R2, or R3 and R4, together form a fused-on ring, X is CH and/or N and m is an integer from 2 to 11. The products are suitable for optical components in communications technology.
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公开(公告)号:MY123466A
公开(公告)日:2006-05-31
申请号:MYPI9904854
申请日:1999-11-09
Applicant: BASF AG
Inventor: AICHINGER HEINRICH DR , HERBST HOLGER DR , NESTLER GERHARD DR , SCHRODER JURGEN DR , BECKMANN STEFAN DR
IPC: C07C29/20 , C07C67/08 , C07C67/327 , C07C67/60 , C07C69/54
Abstract: IN A PROCESS FOR ESTERIFYING (METH) ACRYLIC ACID WITH AN ALKANOL IN THE PRESENCE OF AN ESTERIFICATION CATALYST, IN WHICH UNCONVERTED STARTING COMPOUNDS AND (METH) ACRYLIC ESTER TO BE FORMED ARE SEPARATED OFF BY DISTILLATION AND AN OXYESTER-CONTAINING BOTTOM PRODUCT IS FORMED, THE BOTTOM PRODUCT IS FIRST SEPARATED OFF AND THEN THE OXYESTERS CONTAINED IN IT ARE CLEAVED IN THE PRESENCE OF A RELATIVELY LONG-CHAIN ALKYLBENZENESULFONIC ACID AT ELEVATED TEMPERATURES.
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