公开(公告)号：DE19738369A1

公开(公告)日：1999-03-25

申请号：DE19738369

申请日：1997-09-02

Applicant: BASF AG

Inventor： SCHUHMACHER PETER DR ,  SCHNEIDER NORBERT ,  RICHTER VOLKER ,  KELLER HARALD DR ,  BLASCHKA PETER ,  BETTINGER GUENTER ,  MEYER FRANK DR ,  BECK ERICH DR ,  SIEMENSMEYER KARL DR ,  STEININGER HELMUT DR

IPC: C08G63/68 ,  C08G64/04 ,  C09B67/00 ,  C09D5/36 ,  C09K19/00 ,  C09B67/20 ,  A61K7/00 ,  B05D7/26 ,  B29C41/12 ,  C08J3/28 ,  C09C1/00 ,  C09C3/00 ,  C09D5/29 ,  C09D17/00 ,  C09K19/38 ,  C14C11/00

Abstract: Cholesteric material is produced by applying a pourable cholesteric mixture to a support and forming a solid layer.- DETAILED DESCRIPTION - Cholesteric material comprises a cholesteric layer(s) of average thickness below 0.2 mu .- INDEPENDENT CLAIMS are included for the production of the material by applying a pourable cholesteric mixture to a support and forming a solid layer, a pigment obtained by grinding the material and a composition containing the pigment.TF - TECHNOLOGY FOCUS - POLYMERS - The mixture has a viscosity of 10-500 (10-100) mPa.s at 23degreesC, is applied at 1-800 (1-500) m/min. and is prepared by mixing a comprises a cholesteric monomer(s) in an inert diluent, an achiral, nematic monomer(s) and a chiral compound in an inert diluent, a cholesteric, crosslinkable oligomer or polymer in an inert diluent, a cholesteric polymer in a polymerizable diluent or a cholesteric polymer which can be congealed on rapid cooling below the Tg (claimed)

公开(公告)号：AT163915T

公开(公告)日：1998-03-15

申请号：AT95108201

申请日：1995-05-30

Applicant: BASF AG

Inventor： REICH WOLFGANG DR ,  BECK ERICH DR ,  KEIL EDMUND ,  ERHARDT ULRICH DR ,  NUBER ADOLF DR

IPC: C08F20/26 ,  C07C67/08 ,  C07C67/26 ,  C07C67/60 ,  C07C69/54 ,  C08F2/46 ,  C08F2/48 ,  C08F290/00 ,  C08F299/02 ,  C08G59/17 ,  C08G63/47

Abstract: The prodn. of radiation-curable acrylates comprises (1) reaction of hydroxy cpds. with (meth)acrylic acid followed by (2) reaction with peroxide cpds. in presence of quat. ammonium or phosphonium cpds. of formula (I) or (II) as catalysts: X = counter-ion; R -R = 1-18C alkyl (opt. substd. with 1 or 2 Ph gps.) or 6-12C aryl (opt. substd. with 1 or 2 1-6C alkyl gps.). Also claimed are curable acrylates (A) obtd. by this process, and radiation-curable prepns. (B) contg. (A) and an isocyanate cpd. with at least 2 NCO gps. for subsequent crosslinking, pref. in amts. of 0.05-30 wt.%.

公开(公告)号：DE19539294A1

公开(公告)日：1997-04-24

申请号：DE19539294

申请日：1995-10-23

Applicant: BASF AG

Inventor： REICH WOLFGANG DR ,  SCHWALM REINHOLD DR ,  BECK ERICH DR ,  HAEUSLING LUKAS DR ,  NUYKEN OSKAR PROF DR ,  RAETHER ROMAN-BENEDIKT

IPC: C08F2/48 ,  C08F34/02 ,  C08G59/24 ,  C08G65/14 ,  C08G65/16 ,  C09D163/00 ,  C09D4/00 ,  C09D145/00

Abstract: A process for the production of coatings or moulded products by radiation curing, in which radiation-curable materials (I) containing 1-100 wt% compounds (A) with at least one cationically polymerisable 2,3-dihydrofuran (DHF) base unit (based on the total amt. of cationically and optionally radically polymerisable compounds) are irradiated with high-energy light. Also claimed are (i) radiation-curable materials (I), and (ii) compounds with 2 or more DHF units.

公开(公告)号：DE19535161A1

公开(公告)日：1997-03-27

申请号：DE19535161

申请日：1995-09-22

Applicant: BASF AG

Inventor： SCHWALM REINHOLD DR ,  REICH WOLFGANG DR ,  HAEUSLING LUKAS DR ,  BECK ERICH DR

IPC: C08F2/48 ,  C08F2/44 ,  C08F2/46 ,  C08F2/50 ,  C08F8/30 ,  C08F8/32 ,  C08F20/10 ,  C08F290/06 ,  C08G73/00 ,  C09D4/00 ,  C09D4/02 ,  C08J3/24 ,  C08J3/28 ,  C08L67/07 ,  C08L63/10 ,  C08L75/16 ,  C09D167/07 ,  C09D163/10 ,  C09D175/16

Abstract: Radiation-curable compsns. (I), contg. (a) radiation-curable, radically-polymerisable cpds. and (b) capped amino cpds. which are surface-active in cpds. (a) and which release amino cpds. with free prim. and/or sec. amino gps. when irradiated with high-energy light, the total no. of H atoms contained in amino gps. being at least 2. Also claimed is (i) a process for the prodn. of (I) by adding cpds. (b) to cpds. (a); (ii) a process for the prodn. of coatings or mouldings by irradiating (I) with high-energy light; (iii) moulded prods. or coatings obtd. by this process.

公开(公告)号：DE19520888A1

公开(公告)日：1996-12-12

申请号：DE19520888

申请日：1995-06-08

Applicant: BASF AG

Inventor： SCHWALM REINHOLD DR ,  REICH WOLFGANG DR ,  HAEUSLING LUKAS DR ,  BECK ERICH DR

IPC: C09D179/00 ,  C08F2/48 ,  C08F299/02 ,  C08G73/00 ,  C09D4/00 ,  C09D4/02 ,  C08F20/34 ,  C08F20/20 ,  C09D133/14 ,  C08L33/14

Abstract: Radiation-curable compsns. (I), contg. (a) cpds. with at least 2 C=C double bonds which can undergo Michael addn. reactions with prim. or sec. amino gps. ("activated double bonds"), and (b) capped amino cpds. which form free prim. and/or sec. amino gps. on irradiation with high-energy light, the total no. of amino-H atoms being at least 2. Also claimed are moulded prods. or coatings obtd. from (I). Pref. the activated double bonds are in gps. of formula >C=C(Z)-, in which Z = -CHO, -CO-C

公开(公告)号：DE19508308A1

公开(公告)日：1996-09-12

申请号：DE19508308

申请日：1995-03-09

Applicant: BASF AG

Inventor： REICH WOLFGANG DR ,  BECK ERICH DR ,  KEIL EDMUND ,  JAEGER ULRICH DR ,  LOKAI MATTHIAS ,  FRIES WERNER DR ,  AMBACH EBERHARD DR

IPC: C08G18/46 ,  C08G18/50 ,  C08G18/67 ,  C08G18/68 ,  C09D175/16 ,  C08G18/08 ,  C08G18/58 ,  C08L75/14 ,  C09D175/14 ,  G03F7/027

Abstract: Urethane-(meth)acrylates (I), obtd. by reacting (A) isocyanates with (B) polyether-, polyester- or epoxide-(meth)acrylates with at least one free OH gp., in which 0.5-60 mole% of the (meth)acrylate gps. are in the form of a Michael adduct with prim. or sec. amine. Also claimed is (i) the above process for the prodn. of (I) (in this case 0.5-30 mole% of the (meth)acrylate gps. are stated to be in the form of the Michael adduct); (ii) radiation-hardenable materials (II) contg. (I).

公开(公告)号：ES2071141T3

公开(公告)日：1995-06-16

申请号：ES91102907

申请日：1991-02-28

Applicant: BASF AG

Inventor： BECK ERICH DR ,  WEISS WOLFRAM DR ,  RENZ HANS DR ,  LINDNER ALFRED DR

IPC: C08F299/06 ,  C07D251/34 ,  C08F20/36 ,  C08F290/00 ,  C08G18/30 ,  C08G18/67 ,  G03F7/027

Abstract: Radiation-curable urethane acrylate compounds containing amine and urea groups and based on diisocyanates or polyisocyanates, hydroxyl compounds and amines, characterised by a content of secondary or tertiary amino groups which are bonded to isocyanate via hydroxyl groups and are obtainable by the addition reaction of primary or secondary amines with hydroxyacrylates.

公开(公告)号：DE4315831A1

公开(公告)日：1994-11-17

申请号：DE4315831

申请日：1993-05-12

Applicant: BASF AG

Inventor： BECK ERICH DR ,  LEY GREGOR DR ,  GULBINS ERICH DR ,  SCHLARB BERNHARD DR ,  KEIL EDMUND ,  LOKAI MATTHIAS

IPC: C08F2/44 ,  C08F2/46 ,  C08F2/54 ,  C08F265/06 ,  C08F291/00 ,  C08L101/00 ,  C09D4/06 ,  G03F7/027 ,  G03F7/033 ,  C08K5/10 ,  C08L57/00 ,  C08J3/03 ,  B05D1/00

Abstract: An aqueous dispersion containing A) from 20 to 90% by weight of a dispersed polymer having a glass transition temperature of above 30@C and B) from 10 to 80% by weight of a tri-, tetra-, penta- or hexa(meth)acrylate of an alkoxylated, trihydric to hexahydric alcohol having a mean degree of alkoxylation of hydroxyl groups of the alcohol, defined as the quotient of the number of alkoxy groups and the number of hydroxyl groups, i.e. the functionality of the alcohol before alkoxylation, of at least 0.5, where the weight data are based on the sum of A) and B).

公开(公告)号：DE4415354A1

公开(公告)日：1994-11-10

申请号：DE4415354

申请日：1994-05-02

Applicant: BASF AG

Inventor： BECK ERICH DR ,  KEIL EDMUND ,  LOKAI MATTHIAS

IPC: C08L95/00 ,  C09D7/00 ,  C08L33/04 ,  C08J3/16 ,  C08J11/06

Abstract: A process for the precipitation, solidification and detackification of (meth)acrylates, characterised in that polyamines containing primary and/or secondary amino groups are added to the (meth)acrylates, where the polyamines contain a total of at least 3 hydrogen atoms bonded to an amino nitrogen atom.

公开(公告)号：DE59102717D1

公开(公告)日：1994-10-06

申请号：DE59102717

申请日：1991-06-19

Applicant: BASF AG

Inventor： LANG REINHARD DR ,  BECK ERICH DR ,  KEIL EDMUND ,  NUBER ADOLF DR ,  PETERSEN HARRO DR ,  RENZ HANS DR ,  SCHMIDT HORST DR ,  WEISS WOLFRAM DR

IPC: C08F299/02 ,  C08F290/00 ,  C08F290/14 ,  C08G12/40 ,  C08G12/42 ,  C08G14/12 ,  C09D161/00 ,  C09D161/34