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 fibre

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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
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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Withdrawn
Application number
DE3922499A
Other languages
German (de)
Inventor
Hans-Juergen Dipl Ing Dziurla
Lutz Dipl Chem Dr Schrader
Klaus Dipl Chem Dr Reinking
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Priority to DE3922499A priority Critical patent/DE3922499A1/en
Publication of DE3922499A1 publication Critical patent/DE3922499A1/en
Withdrawn legal-status Critical Current

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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

Abstract

Mixts. (I) contain (a) 20-95 wt.% polyarylene sulphide with melt viscosity 7-2000 Pa.s (b) 5-80 wt.% electrically conducting ZnO and possibly (w.r.t. total wt. of a + b) (c) 5-80 wt.% fillers and reinforcing materials. Pref. component (a) is polyphenylene sulphide (PPS); (c) are glass fibres or spheres, carbon fibre, aramid fibre, inorganic or organic colour pigments, metal powder, foil, fibre or flakes, quartz, chalk, kaolin, sulphates, carbonates, TiO2, iriodins, dopants such as AsF5, iodine, etc. USE/ADVANTAGE - (I) are useful as moulding materials for the prodn. of electrically conducting moulded prods. (claimed); mouldings, film and fibre mfd. from (I) are claimed as such. Applications include casing parts, etc. The invention enables the prodn. of light-coloured electrically conducting PPS materials without an undesirable increase in melt viscosity (contrast graphite and other carbon-based conducting fillers).

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.  

BeispieleExamples Beispiel 1example 1

Es wurde eine Mischung verwendet von:A mixture was used by:

Polyphenylensulfid (Schmelzviskosität 40 Pa · s, bei 320°C und einem Schergefälle von 1000 s-1)Polyphenylene sulfide (melt viscosity 40 Pa · s, at 320 ° C and a shear rate of 1000 s -1 ) 40,0 Gew.-%40.0% by weight elektrisch leitfähiges Zinkoxid (Typ HC-238, Fa. Worlee Chemie GmbH)electrically conductive zinc oxide (type HC-238, Worlee Chemie GmbH) 40,0 Gew.-%40.0% by weight Glasfasern (Ø 12 µm, Länge 300 µm)Glass fibers (Ø 12 μm, length 300 μm) 20,0 Gew.-%20.0% by weight

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.

Beispiel 2Example 2

Es wurde eine Mischung verwendet von:A mixture was used by:

Polyphenylensulfid (Typ wie Beispiel 1)Polyphenylene sulfide (type as in Example 1) 44 Gew.-%44% by weight Zinkoxid (Typ wie Beispiel 1)Zinc oxide (type as Example 1) 30 Gew.-%30% by weight Glasfasern (Typ wie in Beispiel 1)Glass fibers (type as in Example 1) 26 Gew.-%26% by weight

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)

1. Mischungen, enthaltend
  • 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.
1. Mixtures containing
  • 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.
2. Mischungen nach Anspruch 1, die als Polyarylensul­ fid Polyphenylensulfid enthalten.2. Mixtures according to claim 1, as polyarylene sul fid contain polyphenylene sulfide. 3. Mischungen nach Anspruch 1, die als Füll- oder Verstärkungsstoffe Glasfasern, -kugeln, Kohle­ fasern, Aramidfasern, anorganische und organische Farbpigmente, Metallpulver, -flitter, -fasern oder -flakes, Quarz, Kreide, Kaolin, Sulfate, Carbonate, Titandioxid, Iriodine, Dotierungsmittel wie AsF5, Jod usw. enthalten.3. Mixtures according to claim 1, which as fillers or reinforcing fibers glass fibers, spheres, carbon fibers, aramid fibers, inorganic and organic color pigments, metal powder, flakes, fibers or flakes, quartz, chalk, kaolin, sulfates, carbonates, titanium dioxide , Iriodine, dopants such as AsF 5 , iodine, etc. included. 4. Verwendung der Mischungen nach den Anspruch 1 als Formmassen zur Herstellung leitfähiger Formkörper. 4. Use of the mixtures according to claim 1 as Molding compounds for the production of conductive moldings.   5. Formkörper, hergestellt aus Formmassen nach An­ spruch 4.5. Shaped body made from molding compounds according to An award 4. 6. Folien, hergestellt aus Formmassen nach Anspruch 4.6. Films produced from molding compositions according to claim 4. 7. Fasern, hergestellt aus Formmassen nach Anspruch 4.7. fibers produced from molding compositions according to claim 4th
DE3922499A 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 Withdrawn DE3922499A1 (en)

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

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DE3922499A1 true DE3922499A1 (en) 1991-01-17

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9108057U1 (en) * 1991-07-01 1991-08-22 August Mink Kg, 7320 Goeppingen, De
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

Cited By (6)

* Cited by examiner, † Cited by third party
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 Goeppingen, De
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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