EP1882013A1 - Composition de colorante a haute charge destinee a la coloration de matieres plastiques olefiniques et non olefiniques - Google Patents

Composition de colorante a haute charge destinee a la coloration de matieres plastiques olefiniques et non olefiniques

Info

Publication number
EP1882013A1
EP1882013A1 EP06742783A EP06742783A EP1882013A1 EP 1882013 A1 EP1882013 A1 EP 1882013A1 EP 06742783 A EP06742783 A EP 06742783A EP 06742783 A EP06742783 A EP 06742783A EP 1882013 A1 EP1882013 A1 EP 1882013A1
Authority
EP
European Patent Office
Prior art keywords
metallocene
waxes
colorant composition
wax
ethylene
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Withdrawn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
EP06742783A
Other languages
German (de)
English (en)
Inventor
Reinholdn Kling
Uwe Bernhardt
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.)
Clariant Produkte Deutschland GmbH
Original Assignee
Clariant Produkte Deutschland GmbH
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 Clariant Produkte Deutschland GmbH filed Critical Clariant Produkte Deutschland GmbH
Publication of EP1882013A1 publication Critical patent/EP1882013A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0041—Optical brightening agents, organic pigments
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853—Vinylacetate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0869—Acids or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/30—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by oxidation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2314/00—Polymer mixtures characterised by way of preparation
    • C08L2314/06—Metallocene or single site catalysts

Definitions

  • the present invention relates to a highly filled colorant composition which improves the uniform dispersion of pigments in plastics.
  • the invention also relates to the use of copolymeric low molecular weight waxes for the production of masterbatches, in which the waxes are produced to a large extent by means of metallocene catalysts, have a low dropping point, high transparency and low viscosity.
  • the dispersion of pigments is significantly improved, the pigment charge can be increased, there is a better compatibility with different polymers and can be dispensed with a polymeric support.
  • Plastics are usually dyed using pigment concentrates, so-called masterbatches.
  • the pigments should be distributed optimally, since insufficient dispersion of the pigments can lead to pigment agglomerates and specks in the end product, which may be, for example, a film. Also, specks can easily lead to weakening of the mechanical properties of the final product, premature cracking of the final article occurs.
  • the following single-stage or multi-stage processes are currently known for the preparation of dust-free, granular and pulverulent pigment and dye preparations:
  • a cold mixture consists of suitable polymer supports, such as polyethylene, polypropylene or ethylene vinyl acetate copolymer and similar and additionally dispersing aids such as waxes, fatty acid derivatives, stearates, etc.
  • suitable polymer supports such as polyethylene, polypropylene or ethylene vinyl acetate copolymer and similar and additionally dispersing aids such as waxes, fatty acid derivatives, stearates, etc.
  • dispersing aids such as waxes, fatty acid derivatives, stearates, etc.
  • the mixing batch contains carrier materials as well as waxes, similar to cold mixing, but agglomeration of the mixture is achieved through the intense introduction of friction energy, thus achieving freedom from dust and a higher bulk density.
  • DE-A-15 44 830 discloses a pigment preparation in which the pigment particles are enveloped by an amorphous homopolymer or copolymer of propylene, butene-1 and hexene-1 or a propylene-ethylene block polymer. In the preparation of the pigment preparation, filtration and drying steps are required.
  • DE-A-12 39 093 describes support materials based on a mixture of an amorphous ethylene-propylene block copolymer and a crystalline polypropylene for the production of pigment concentrates.
  • DE-A-26 52 628 relates to the use of polypropylene waxes having a viscosity of 500 to 5000 mPa.s (170 0 C) and an isotactic content of 40 to 90%.
  • a highly effective dispersion is achieved by a dispersing agent which contains a mixture of different polyolefin components and more particularly polyacrylic acid esters.
  • DE-A 26 08 600 relates to pigment concentrates for coloring thermoplastics containing pigment, polyolefin wax, an ethylene-vinyl acetate copolymer and colloidal silica.
  • pigment preparations for polymer coloration preferably contain the polymer to be colored, and partially incompatible ingredients.
  • the known pigment preparations due to the less favorable carrier material with the same pigment content are weaker in color and cloudy.
  • Special masterbatches are more complex and can not be prepared with the same high colorant concentrations as the property profile described below.
  • the object of the present invention was to provide dust-free colorant preparations for masterbatch production and polymer coloration To load with the highest possible proportion of organic and inorganic pigments, so that the production of compounds and the direct coloring of plastomers and elastomers can be economically and ecologically advantageous with a uniform support system and thus delivers products of high quality.
  • a conventional polymeric support is to be dispensed with, which are on the one masterbatches with a significantly higher pigment content possible and on the other masterbatches can be used in significantly more polymers with different chemical composition than before, because the compatibility increases.
  • Colorant composition of a mixture of wax and polymer which contains a large part of a metallocene wax, which is a wax which is prepared in the presence of metallocenes as a catalyst.
  • Colorant composition is compounded in a special extrusion process to color masterbatches, but the mixture can alternatively be used directly for the plastic coloring.
  • the present invention relates to a colorant composition
  • a colorant composition comprising i) one or more metallocene polyolefin waxes, ii) one or more waxes selected from polar and nonpolar non-polar waxes.
  • Colorant compositions preferred according to the invention contain from 30 to 85% by weight, preferably from 35 to 80% by weight, of an organic or inorganic pigment and from 7.5 to 42.5% by weight, preferably from 8.5 to 40% by weight, of the metallocene polyolefin wax.
  • the colorant composition preferred according to the invention may contain from 0.1 to 30% by weight, preferably from 0.5 to 25% by weight, of functional constituents for improving wetting and compatibility in the form of non-metallocene polyolefin waxes or copolymers of ethylene and 0 to 15 wt .-% of conventional fillers or additives.
  • the waxes prepared as catalyst in the presence of metallocene are preferred.
  • the waxes prepared in the presence of metallocene as a catalyst are largely or completely amorphous and can additionally be polar modified if necessary.
  • Suitable non-metallocene polyolefin waxes are homopolymers of ethylene or higher 1-olefins having 3 to 10 carbon atoms or copolymers thereof with one another.
  • the polyolefin waxes have a weight average molecular weight M w between 1000 and 10 000 g / mol and a number average molecular weight M n between 500 and 5000 g / mol.
  • copolymers of ethylene can be advantageously used as a compatibilizer in the novel Frabstoffzusammen attitude.
  • This formula also includes compounds of the formula Ia,
  • M 1 is a Group IVb, Vb or VIb metal of the Periodic Table, for example, titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, tungsten, preferably titanium, zirconium, hafnium.
  • M 2 is silicon, germanium or tin, preferably silicon and germanium.
  • Suitable cocatalysts for metallocenes of the formula I are organoaluminum compounds, in particular alumoxanes or else aluminum-free systems such as R 20 ⁇ NH 4 -x BR 21 4 , R 20 ⁇ PH 4-21BR 21 4 , R 20 3 CBR 21 4 or BR 21 3 .
  • the pigment concentrates may additionally contain fillers or auxiliaries such as antistatic agents, oleic acid amide, glycerol fatty acid partial esters, stearates and antioxidants. It is likewise possible to use silicic acid, silicates, such as aluminum silicates, sodium silicate, calcium silicates.
  • Suitable colorants are organic and inorganic dyes and pigments.
  • the organic pigments used are preferably azo or disazo pigments, laked azo or disazo pigments or polycyclic pigments, preferably phthalocyanine, quinacridone, perylene, dioxazine, anthraquinone, thioindigo, diaryl or quinophthalone pigments.
  • a colorant composition containing 30 to 75% by weight of organic pigment, 7.5 to 42.5% by weight of the amorphous metallocene wax, 0.1 to 20% by weight of ethylene vinyl acetate wax, 0, 5 to 20 wt .-% of oxidized wax or 0.5 to 20 wt .-% of copolymers of ethylene and other fillers or additives in amounts of 0 to 4 wt .-% particularly advantageous.
  • inorganic pigments When using inorganic pigments is a colorant composition containing 60 to 85 wt .-% of inorganic pigment, 7.5 to 30 wt .-% of metallocene wax and 7.5 to 20 wt .-% of other olefin waxes or copolymers of ethylene and 0 to 2 wt .-% additives particularly advantageous.
  • Anti-blocking agents Anti-blocking agents, anti-slip agents and / or suspension stabilizers.
  • a mixing phase with higher mixing energy follows, it being expedient to heat in a first phase to about 15 K below the softening point of the metallocene wax and in a second phase to about 5 K below the softening point of the metallocene wax.
  • the first phase lasts about 3 to 10 minutes, preferably 5 to 7 minutes
  • the second phase lasts about 1 to 5 minutes, preferably 2 to 3 minutes.
  • the last mixing phase is followed by a cooling mixture, wherein the colorant composition on is cooled to about 30 ° C. This process usually takes 3 to 15 minutes, preferably 5 to 10 minutes.
  • up to 0.5% by weight of free-flow improvers can additionally be added to the subsequent cooling mixture in order to achieve a granulation of 0.05 to 3 mm of a dust-poor powder mixture.
  • Does the handling form play a special role in subsequent processes e.g. When using the mixture in a further intensive mixing process, the masterbatch production can be dispensed with.
  • the colorant compositions according to the invention are used in particular for the preparation of masterbatches. In the production, it is also expedient to work with an initial mixing process. First, a mixture of the colorant composition of the invention is prepared. The mixture is made with appropriate Mixed media. The preparation of mixtures can be omitted, however, by feeding the individual components of a recipe directly to the extrusion plant. In most cases, however, this means a loss of quality of the final product and is therefore carried out in practice only with suitable pigments. The said mixture is then fed by means of a suitable metering device to an extrusion plant. In general, these are single or twin-screw extruder, but there are also continuous and discontinuous kneaders use. The subsequent granulation takes place via strand and Kopfgranulmaschine, but also spraying is possible.
  • the colorant compositions according to the invention can also be used for compounds and for the direct coloring of plastics.
  • Compounds are mixtures of polymers with the abovementioned additives, fillers and / or colorants.
  • polystyrene-acrylonitrile copolymers for example 1 styrene-acrylonitrile copolymers (SAN), poly-ethyleneglycol-terephthalate (PET), poly butylene terephthalate (PBT) and their Copolyesters, acrylonitrile-butadiene-styrene copolymers (ABS), polycarbonate (PC), polyethylene waxes, polypropylene waxes, amide waxes, hydrocarbon resins, montan waxes, aliphatic waxes, rubber, butyl rubber, paraffin and bitumen and some special polymers dyed.
  • PVC polyvinyl chloride
  • EVA ethylene-vinyl acetate copolymers
  • ABS styrene-acrylonitrile copolymers
  • ABS acrylonitrile-butadiene-styrene copolymers
  • PC polycarbonate
  • polyethylene waxes polypropylene waxes

Abstract

L'invention concerne une composition colorante contenant un colorant finement réparti et plusieurs cires de polyoléfine. La plus grande fraction en termes de quantité représente une cire métallocène et les autres cires sont des cires de polyoléfine non métallocènes polaires ou non polaires ou des copolymères d'éthylène. La totalité des cires de polyoléfine représentent au moins 15 % en poids de la formule et elles fondent entre 70 et 15O °C. La composition colorante selon l'invention a une formation de poussière réduite et sert à la production de mélanges maîtres.
EP06742783A 2005-05-11 2006-05-03 Composition de colorante a haute charge destinee a la coloration de matieres plastiques olefiniques et non olefiniques Withdrawn EP1882013A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005022652A DE102005022652A1 (de) 2005-05-11 2005-05-11 Hochgefüllte Farbmittelzusammensetzung zum Einfärben olefinischer wie nichtolefinischer Kunststoffe
PCT/EP2006/004138 WO2006119904A1 (fr) 2005-05-11 2006-05-03 Composition de colorante a haute charge destinee a la coloration de matieres plastiques olefiniques et non olefiniques

Publications (1)

Publication Number Publication Date
EP1882013A1 true EP1882013A1 (fr) 2008-01-30

Family

ID=36602602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06742783A Withdrawn EP1882013A1 (fr) 2005-05-11 2006-05-03 Composition de colorante a haute charge destinee a la coloration de matieres plastiques olefiniques et non olefiniques

Country Status (5)

Country Link
US (1) US20090105373A1 (fr)
EP (1) EP1882013A1 (fr)
JP (1) JP2008540744A (fr)
DE (1) DE102005022652A1 (fr)
WO (1) WO2006119904A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008088389A (ja) * 2005-10-31 2008-04-17 Mitsui Chemicals Inc 熱可塑性樹脂組成物の製造方法
DE102006039913A1 (de) * 2006-08-12 2008-02-14 Clariant International Limited Hochgefüllte Farbmittelzusammensetzung zum Einfärben und Modifizieren olefinischer wie nichtolefinischer Kunststoffe
DE102006046565A1 (de) * 2006-09-30 2008-04-03 Clariant International Limited Hochgeladene Antistatikmasterbatche zur Herstellung von Kunststoffen mit reduzierter elektrostatischer Aufladung
DE102006047854A1 (de) * 2006-10-10 2008-04-17 Clariant International Limited Hochgeladene UV Absorber und HALS Wirkstoffmasterbatche durch den Einsatz von Metallocenwachsen
US7442742B1 (en) 2007-04-04 2008-10-28 Carolina Color Corporation Masterbatch composition
DE102012102165A1 (de) * 2012-03-14 2013-10-02 Eckart Gmbh Kompositpartikel, Verfahren zu deren Herstellung und Verwendung derselben
DE102012106813A1 (de) * 2012-07-26 2014-01-30 Kaiser Lacke Gmbh Flüssigfarben zum Einfärben von Wachs
US9969881B2 (en) * 2014-07-18 2018-05-15 Carolina Color Corporation Process and composition for well-dispersed, highly loaded color masterbatch
US10428189B2 (en) 2014-07-18 2019-10-01 Chroma Color Corporation Process and composition for well dispersed, highly loaded color masterbatch
CN109503922B (zh) * 2018-11-19 2021-11-19 深圳免喷材料科技有限公司 一种颜料功能母粒的制备方法及其产品和应用
CN114921016B (zh) * 2022-06-29 2023-07-07 深圳市博彩新材料科技有限公司 一种用于聚乙烯改性的黑色母粒及其制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7087668B2 (en) * 2000-03-01 2006-08-08 Clariant Gmbh Dispersion of pigments in polyolefins

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006119904A1 *

Also Published As

Publication number Publication date
US20090105373A1 (en) 2009-04-23
JP2008540744A (ja) 2008-11-20
WO2006119904A1 (fr) 2006-11-16
DE102005022652A1 (de) 2006-11-16

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