DE3922499A1 - Mixts. of polyarylene sulphide and conductive zinc oxide - useful as moulding materials for prodn. of light-coloured, electrically conducting mouldings, film and fibre - Google Patents
Mixts. of polyarylene sulphide and conductive zinc oxide - useful as moulding materials for prodn. of light-coloured, electrically conducting mouldings, film and fibreInfo
- Publication number
- DE3922499A1 DE3922499A1 DE3922499A DE3922499A DE3922499A1 DE 3922499 A1 DE3922499 A1 DE 3922499A1 DE 3922499 A DE3922499 A DE 3922499A DE 3922499 A DE3922499 A DE 3922499A DE 3922499 A1 DE3922499 A1 DE 3922499A1
- Authority
- DE
- Germany
- Prior art keywords
- fibre
- fibers
- electrically conducting
- prodn
- zinc oxide
- 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.)
- Withdrawn
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 15
- 229920000412 polyarylene Polymers 0.000 title claims abstract description 11
- 239000000835 fiber Substances 0.000 title claims abstract description 10
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 title claims abstract description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims description 20
- 239000011787 zinc oxide Substances 0.000 title claims description 10
- 239000000463 material Substances 0.000 title abstract 3
- -1 polyphenylene Polymers 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003365 glass fiber Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 239000004760 aramid Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 239000000049 pigment Substances 0.000 claims abstract description 4
- 239000010453 quartz Substances 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims abstract description 3
- 239000002019 doping agent Substances 0.000 claims abstract description 3
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims abstract description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000012779 reinforcing material Substances 0.000 claims abstract description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 23
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 8
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000012783 reinforcing fiber Substances 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 239000010439 graphite Substances 0.000 abstract description 2
- 229910002804 graphite Inorganic materials 0.000 abstract description 2
- 229910017049 AsF5 Inorganic materials 0.000 abstract 1
- 229920000265 Polyparaphenylene Polymers 0.000 abstract 1
- 229920003235 aromatic polyamide Polymers 0.000 abstract 1
- YBGKQGSCGDNZIB-UHFFFAOYSA-N arsenic pentafluoride Chemical compound F[As](F)(F)(F)F YBGKQGSCGDNZIB-UHFFFAOYSA-N 0.000 abstract 1
- 239000011888 foil Substances 0.000 abstract 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 238000013329 compounding Methods 0.000 description 4
- 150000004763 sulfides Chemical class 0.000 description 3
- 238000007872 degassing Methods 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000012744 reinforcing agent Substances 0.000 description 2
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- 241000237970 Conus <genus> Species 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000004741 Tedur® Substances 0.000 description 1
- QXJJQWWVWRCVQT-UHFFFAOYSA-K calcium;sodium;phosphate Chemical compound [Na+].[Ca+2].[O-]P([O-])([O-])=O QXJJQWWVWRCVQT-UHFFFAOYSA-K 0.000 description 1
- UOUJSJZBMCDAEU-UHFFFAOYSA-N chromium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Cr+3].[Cr+3] UOUJSJZBMCDAEU-UHFFFAOYSA-N 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical class [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/001—Mass resistors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Die Erfindung betrifft Mischungen aus Polyarylensulfi den, vorzugsweise Polyphenylensulfid (PPS) mit elek trisch leitfähigem Zinkoxid sowie Formmassen aus diesen Mischungen zur Herstellung elektrisch leitfähiger, farb heller Formteile.The invention relates to mixtures of polyarylene sulfide the, preferably polyphenylene sulfide (PPS) with elek trisch conductive zinc oxide and molding compounds of these Mixtures for the production of electrically conductive, col lighter moldings.
Polyarylensulfide und ihre Herstellung sind bekannt (siehe z.B. US-A 33 54 129, EP-A 1 71 021).Polyarylene sulfides and their preparation are known (See, for example, US-A 33 54 129, EP-A 1 71 021).
In diesen Patentschriften werden leitfähige Polyarylen sulfidmischungen beschrieben, die durch Zugabe von Kohlenstoff, Leitruß oder Graphit zum Polyarylensulfid leitfähig eingestellt werden.These patents disclose conductive polyarylene sulfide mixtures described by the addition of Carbon, Leitruß or graphite to the polyarylene sulfide be set conductive.
Ein wesentlicher Nachteil derartiger leitfähiger Poly arylensulfidmischungen ist, daß diese, bedingt durch den zugegebenen Kohlenstoff, allesamt schwarz gefärbt sind. A major disadvantage of such conductive poly Arylensulfidmischungen is that these, due to the added carbon, all black colored.
Ein weiterer Nachteil derartiger Mischungen ist, daß durch die teilweise hochstrukturierten Leitruße die Schmelzviskosität des Compounds stark angehoben wird, wodurch es beim Guß dünnwandiger Teile zu Füllproblemen kommen kann.Another disadvantage of such mixtures is that through the partially highly structured Leitruße the Melt viscosity of the compound is greatly increased, which makes it when filling thin-walled parts to filling problems can come.
Es wurde nun gefunden, daß Mischungen aus Polyarylensul fiden, vorzugsweise aus Polyphenylensulfid, mit elek trisch leitfähigem Zinkoxid zu leitfähigen und farb hellen Formmassen führen. Die dabei erforderliche Menge von Zinkoxid kann je nach gewünschten elektrischen Eigenschaften 5 bis 80 Gew.-% betragen, wobei zur Ver besserung der mechanischen Kennwerte bekannte, handels übliche Füll- und Verstärkungsstoffe wie z.B. Glas fasern, -kugeln, Kohlefasern, Aramidfasern, Farbpig mente, insbesondere Metallverbindungen, Metallpulver, -fasern, -flitter, -flakes, Quarz, Kreide, Glimmer, Bariumsulfat usw. zugegeben werden können.It has now been found that mixtures of Polyarylensul fiden, preferably from polyphenylene sulfide, with elek conductive conductive zinc oxide to conductive and color lead to bright molding compounds. The required amount of zinc oxide can vary depending on the desired electrical Properties are 5 to 80 wt .-%, wherein the Ver improvement of the mechanical characteristics known trade conventional fillers and reinforcing agents such as e.g. glass fibers, spheres, carbon fibers, aramid fibers, colored pigment elements, in particular metal compounds, metal powders, -fibers, flakes, flakes, quartz, chalk, mica, Barium sulfate, etc. can be added.
Gegenstand der Erfindung sind Mischungen ausThe invention relates to mixtures of
- a) von 20 bis 95 Gew.-%, bevorzugt von 40 bis 80 Gew.-% Polyarylensulfid, vorzugsweise Polyphenylensulfid (PPS), mit einer Schmelzviskosität von 7 bis 2000 Pa×s, bevorzugt von 30 bis 300 Pa×s, gemessen bei 320°C und einem Schergefälle von 1000 s-1,a) from 20 to 95 wt .-%, preferably from 40 to 80 wt .-% polyarylene sulfide, preferably polyphenylene sulfide (PPS), having a melt viscosity of 7 to 2000 Pa · s, preferably from 30 to 300 Pa · s, measured at 320 ° C and a shear rate of 1000 s -1 ,
- b) von 5 bis 80 Gew.-%, bevorzugt von 20 bis 60 Gew.-%, elektrisch leitfähigem Zinkoxid und gegebenenfalls, bezogen auf das Gewicht der Summe (a+b) zusätzlichb) from 5 to 80% by weight, preferably from 20 to 60% by weight, electrically conductive zinc oxide and optionally, based on the weight of the sum (a + b) in addition
- c) von 0 bis 80 Gew.-%, bevorzugt von 10 bis 40 Gew.-% Füll- und Verstärkungsstoffen.c) from 0 to 80% by weight, preferably from 10 to 40% by weight Fillers and reinforcements.
Polyarylensulfide im Sinne der Erfindung sind z.B. die durch Umsetzung von Dihalogenaromaten, insbesondere von p-Dichlorbenzol mit Schwefelspendern, z.B. Natrium sulfid, erhältlichen linearen und verzweigten Polykon densate (siehe z.B. US-PS 33 54 129, EP-OS 1 71 021), z.B. TEDUR®.Polyarylene sulfides according to the invention are e.g. the by reaction of dihaloaromatics, in particular of p-dichlorobenzene with sulfur donors, e.g. sodium sulfide, available linear and branched polycon densate (see for example US-PS 33 54 129, EP-OS 1 71 021), e.g. TEDUR®.
Bekannte, handelsübliche Füll- und Verstärkungsstoffe im Sinne der Erfindung sind z.B. Fasern wie Glasfasern, Kohlefasern, Aramidfasern (Kevlar®), anorganische und organische Farbpigmente insbesondere Metallverbindungen, (z.B. Komplexsalze, Metalloxide wie Chromoxide, Eisen oxide, Kobaltoxide, Titandioxid), Metallpulver, -fasern, -flitter, -flakes, Glaskugeln, Quarz, Kreide, Glimmer, Talk, Kaolin, Sulfate wie Bariumsulfat, Carbonate wie MgCO3, Dotierungsmittel wie AsF5, Jod usw.Known, commercially available fillers and reinforcing agents in the context of the invention are, for example, fibers such as glass fibers, carbon fibers, aramid fibers (Kevlar®), inorganic and organic color pigments, in particular metal compounds, (eg complex salts, metal oxides such as chromium oxides, iron oxides, cobalt oxides, titanium dioxide), metal powders, fibers, flakes, flakes, glass spheres, quartz, chalk, mica, talc, kaolin, sulfates such as barium sulfate, carbonates such as MgCO 3 , dopants such as AsF 5 , iodine, etc.
Die Herstellung der erfindungsgemäßen Mischungen aus Polyarylensulfiden, elektrisch leitfähigem Zinkoxid und bekannten handelsüblichen Füll- und Verstärkungsstoffen kann nach an sich bekannten Compoundierverfahren auf Ein- oder Mehrschneckenextrudern, vorzugsweise Extrudern mit Entgasungsvorrichtung, z.B. ZSK-Maschinen, geeig neten Knetern wie BUSS-KO-Knetern oder Agglomeratoren (z.B. Pallmann/Condux) erfolgen. The preparation of the mixtures according to the invention Polyarylene sulfides, electrically conductive zinc oxide and known commercial fillers and reinforcing materials can according to known compounding on Single or multi-screw extruders, preferably extruders with degassing device, e.g. ZSK machines, suitable Neten kneaders such as BUSS-KO kneaders or agglomerators (e.g., Pallmann / Condux).
Bei der Compoundierung sind Einschneckenextruder solchen mit zwei oder mehr Schnecken vorzuziehen.In compounding, single-screw extruders are such with two or more snails preferable.
Außerdem ist es möglich, diese Mischungen über Pulver mischtechnologie aus den einzelnen Komponenten, dosiert oder als Gemisch, herzustellen.In addition, it is possible to powder over these mixtures Mixing technology from the individual components, dosed or as a mixture.
Solche Pulvermischungen können z.B. auf Konusschnecken-, Taumel-, Turbinen-, Rhönrad- oder ähnlichen Mischern hergestellt werden.Such powder mixtures may e.g. on conus snail, Swash, turbine, Rhönrad- or similar mixers getting produced.
Weiterer Gegenstand der Erfindung ist die Verwendung der erfindungsgemäßen Mischungen als Formmassen zur Her stellung von Formkörpern, z.B. Halbzeugen, Folien, Fasern usw.Another object of the invention is the use of mixtures according to the invention as molding compositions for Her position of moldings, e.g. Semi-finished products, films, Fibers etc.
Der elektrische Widerstand der aus den erfindungsgemäßen Mischungen hergestellten Formteile kann durch den Anteil an elektrisch leitfähigem Zinkoxid eingestellt werden.The electrical resistance of the invention Mixtures produced molded parts can by the Proportion of electrically conductive zinc oxide adjusted become.
Formteile, hergestellt aus den genannten Mischungen, finden z.B. als Gehäuseteile Verwendung. Molded parts made from the said mixtures, find e.g. as housing parts use.
Es wurde eine Mischung verwendet von:A mixture was used by:
Die beschriebenen Ausgangsstoffe wurden dosiert einem Doppelschneckenextruder mit Entgasungsvorrichtung zuge geben. Die Temperatur bei der Compoundierung betrug zwischen 320 und 360°C.The starting materials described were dosed one Twin-screw extruder with degassing device supplied give. The temperature during compounding was between 320 and 360 ° C.
Am Ende der Compoundierung wurde ein zylindrisches Granulat erhalten, das zu entsprechenden Formkörpern verarbeitet wurde, die die nachfolgend aufgeführten mechanischen und elektrischen Kennwerte ergaben.At the end of compounding became a cylindrical Granules obtained, the corresponding moldings was processed, the following mechanical and electrical characteristics gave.
Es wurde eine Mischung verwendet von:A mixture was used by:
Die Verarbeitung der Mischung 2 erfolgte wie in Beispiel 1 beschrieben. The processing of the mixture 2 was carried out as described in Example 1.
Claims (7)
- a) von 20 bis 95 Gew.-% Polyarylensulfid mit einer Schmelzviskosität von 7 bis 2000 Pa×s,
- b) von 5 bis 80 Gew.-% elektrisch leitfähiges Zinkoxid und gegebenenfalls, bezogen auf das Gewicht der Summe (a + b) zusätzlich
- c) von 5 bis 80 Gew.-% Füll- und Verstärkungs stoffe.
- a) from 20 to 95 wt .-% polyarylene sulfide having a melt viscosity of 7 to 2000 Pa × s,
- b) from 5 to 80 wt .-% of electrically conductive zinc oxide and optionally, based on the weight of the sum (a + b) additionally
- c) from 5 to 80 wt .-% fillers and reinforcing materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3922499A DE3922499A1 (en) | 1989-07-08 | 1989-07-08 | Mixts. of polyarylene sulphide and conductive zinc oxide - useful as moulding materials for prodn. of light-coloured, electrically conducting mouldings, film and fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3922499A DE3922499A1 (en) | 1989-07-08 | 1989-07-08 | Mixts. of polyarylene sulphide and conductive zinc oxide - useful as moulding materials for prodn. of light-coloured, electrically conducting mouldings, film and fibre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3922499A1 true DE3922499A1 (en) | 1991-01-17 |
Family
ID=6384565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3922499A Withdrawn DE3922499A1 (en) | 1989-07-08 | 1989-07-08 | Mixts. of polyarylene sulphide and conductive zinc oxide - useful as moulding materials for prodn. of light-coloured, electrically conducting mouldings, film and fibre |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3922499A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9108057U1 (en) * | 1991-07-01 | 1991-08-22 | August Mink KG, 7320 Göppingen | Technical brush with roller or strip-shaped brush body and, depending on the respective application, a wide variety of bristles |
| WO1992009992A1 (en) * | 1990-12-01 | 1992-06-11 | Henkel Kommanditgesellschaft Auf Aktien | Composition of electrically insulating polymers and electrically conductive fillers |
| WO1995008829A1 (en) * | 1993-09-24 | 1995-03-30 | Engelhard Corporation | Colored conductive coating composition |
| US6534124B2 (en) | 1999-02-22 | 2003-03-18 | Idemitsu Petrochemical Co., Ltd. | Method of producing the plated molded articles by non-electrode plating, and the resin compositions for that use |
| WO2003076506A1 (en) * | 2002-03-06 | 2003-09-18 | Bayer Corporation | Stabilized pigmented polymer compositions |
| DE4038390B4 (en) * | 1990-12-01 | 2005-03-17 | Henkel Kgaa | Light coloured electrically conductive coatings, seals or bonds - are prepd. from compsn. contg. aq. dispersion of polymer, light coloured conductive metal cpds., and carbon@ fibres |
-
1989
- 1989-07-08 DE DE3922499A patent/DE3922499A1/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992009992A1 (en) * | 1990-12-01 | 1992-06-11 | Henkel Kommanditgesellschaft Auf Aktien | Composition of electrically insulating polymers and electrically conductive fillers |
| DE4038390B4 (en) * | 1990-12-01 | 2005-03-17 | Henkel Kgaa | Light coloured electrically conductive coatings, seals or bonds - are prepd. from compsn. contg. aq. dispersion of polymer, light coloured conductive metal cpds., and carbon@ fibres |
| DE9108057U1 (en) * | 1991-07-01 | 1991-08-22 | August Mink KG, 7320 Göppingen | Technical brush with roller or strip-shaped brush body and, depending on the respective application, a wide variety of bristles |
| WO1995008829A1 (en) * | 1993-09-24 | 1995-03-30 | Engelhard Corporation | Colored conductive coating composition |
| US6534124B2 (en) | 1999-02-22 | 2003-03-18 | Idemitsu Petrochemical Co., Ltd. | Method of producing the plated molded articles by non-electrode plating, and the resin compositions for that use |
| WO2003076506A1 (en) * | 2002-03-06 | 2003-09-18 | Bayer Corporation | Stabilized pigmented polymer compositions |
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Legal Events
| Date | Code | Title | Description |
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| 8130 | Withdrawal |