EP2097462A1 - Procédé de production de cires de polyéthylène synthétiques à cristallinité élevée et faible viscosité - Google Patents

Procédé de production de cires de polyéthylène synthétiques à cristallinité élevée et faible viscosité

Info

Publication number
EP2097462A1
EP2097462A1 EP07820168A EP07820168A EP2097462A1 EP 2097462 A1 EP2097462 A1 EP 2097462A1 EP 07820168 A EP07820168 A EP 07820168A EP 07820168 A EP07820168 A EP 07820168A EP 2097462 A1 EP2097462 A1 EP 2097462A1
Authority
EP
European Patent Office
Prior art keywords
less
polyethylene wax
polymerization
viscosity
waxes
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Withdrawn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
EP07820168A
Other languages
German (de)
English (en)
Inventor
Volker Schrenk
Udo Spitzer
Hans-Dieter Zagefka
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.)
Honeywell International Inc
Original Assignee
Evonik Degussa 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 Evonik Degussa GmbH filed Critical Evonik Degussa GmbH
Publication of EP2097462A1 publication Critical patent/EP2097462A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—Ethene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03—Powdery paints
    • C09D5/033—Powdery paints characterised by the additives
    • C09D5/037—Rheology improving agents, e.g. flow control agents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04—Homopolymers or copolymers of ethene
    • C09J123/08—Copolymers of ethene
    • C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C09J123/0853—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
    • 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
    • C08L2314/00—Polymer mixtures characterised by way of preparation
    • C08L2314/02—Ziegler natta catalyst
    • 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
    • C08L2314/04—Philipps catalyst
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials

Definitions

  • the invention relates to a method for producing highly crystalline and low-viscosity synthetic waxes from ethylene and the use of these waxes, for example in hotmelts or printing inks.
  • Synthetic waxes can be prepared, inter alia, by Ziegler-Natta polymerization of ethylene.
  • DE-OS 15 20 914 a process for the production of waxes from ethylene using the Ziegler-Natta synthesis is described.
  • the polymerization generally in gasoline as a solvent, at temperatures of 150 0 C to 170 0 C hard waxes and at temperatures of 170 0 C to 190 0 C soft waxes.
  • Fischer-Tropsch waxes have in addition to a lower viscosity (less than 20 mPas at 150 0 C) and a high hardness (penetration values of less than 1 mm • 10 "1) and are therefore particularly suitable for micronisation and for viscosity reduction of hotmelts
  • the scuff protection effect is often insufficient and the improvement in the heat resistance of hot melts is lower than in the polyethylene waxes of the
  • the object of the present invention was to develop a process for the production of polyethylene waxes, in which the positive properties of higher-viscosity, hard polyethylene waxes are combined with the positive properties of Fischer-Tropsch waxes.
  • This object has been achieved by a process for producing a polyethylene wax by polymerization of ethylene in the presence of a Ziegler-Natta catalyst system composed of titanium tetrachloride and dialkylaluminum halide, wherein
  • the polymerization temperature is in the range from 170 to 200 ° C., and preferably in the range from 175 to 195 ° C.
  • the polymerization is carried out essentially in the absence of solvent and
  • the Al / Ti molar ratio is less than 1.6 and preferably less than 1.5.
  • Viscosity in accordance with DIN 52007/01 less than 60 mPas at 150 0 C, preferably less than 50 mPas at 150 0 C
  • Density 0.945 to 0.960 g / cm 3 at 23 0 C, preferably 0.950 to 0.960 g / cm 3 molecular weight (number average M n from high temperature GPC according to ASTM D 6474-99: less than
  • the invention furthermore relates to the polyethylene waxes which can be prepared by this process and to their use as additives for printing inks or coatings, constituents of hotmelts, expandable polystyrene nucleating agents or lubricants in PVC.
  • dialkylaluminum halide alkyl is preferably a group having 1 to 4 carbon atoms, for example methyl, ethyl, n-propyl, n-butyl or isobutyl, while as the halide, for example, chloride or bromide can be used. It is preferred Diethylaluminiumchlorid used.
  • polyethylene waxes according to the present invention are printing inks, paints, powder coatings or hotmelts comprising polyethylene waxes according to the present invention.
  • the polyethylene waxes according to the invention can be combined with all additives or auxiliaries known to the person skilled in the art and customary for these applications.
  • the polyethylene waxes of the present invention may be blended with, for example, polymers (e.g., polyolefins, amorphous polyalphaolefins, ethylene-vinyl acetate copolymers, synthetic rubber), resins (e.g., hydrocarbon and tall oil resins), and waxes (e.g. Fischer-Tropsch waxes, table paraffins).
  • polymers e.g., polyolefins, amorphous polyalphaolefins, ethylene-vinyl acetate copolymers, synthetic rubber
  • resins e.g., hydrocarbon and tall oil resins
  • waxes e.g. Fischer-Tropsch waxes, table paraffins
  • coloring agents for example inorganic pigments (eg., Carbon black, TiO 2), effect pigments or organic pigments (eg. B. phthalocyanine, quinacridones) included.
  • inorganic pigments eg., Carbon black, TiO 2
  • organic pigments eg. B. phthalocyanine, quinacridones
  • binders for example: linseed oils, polyesters, phenolic resins, melamine resins, nitrocellulose, polyurethanes, epoxy resins, acrylates
  • solvents for example hydrocarbons, alcohols, esters, water
  • other additives for example matting agents , Defoamer, leveling agent.
  • ethylene was continuously polymerized with the aid of the specified in Table 1 catalyst in the melt (10 m 3 polymer) with cooling.
  • the gas composition at the beginning of the reaction was, depending on the product to be produced, according to GC analysis 35 to 70 vol. -% hydrogen, 30 to 50 vol .-% of ethylene, balance nitrogen. To remove the ethane formed during the polymerization, the gas was sucked out of the reactor chamber in certain cycles and burnt.
  • the enthalpy of fusion was first determined by DSC analysis in accordance with ISO 11357-3 during the second heating. From this, the crystallinity was calculated according to the following formula:
  • the wax of Example 1 according to the invention can be micronized under identical conditions with significantly higher throughputs than the wax according to Comparative Example 5, provides the same abrasion protection as the wax according to Comparative Example 5, but a significantly higher abrasion protection compared with the wax according to Comparative Example 4.
  • Fischer-Tropsch waxes such.
  • Example, the wax according to Comparative Example 4 are used to regulate the melt viscosity (ie, improve the processability) and the so-called "open time” (setting behavior) in hotmelts (often in combination with Table paraffins or microcrystalline waxes). They also improve the water vapor barrier effect, the surface smoothness and the appearance.
  • SAFT Shear Adhesion Failure Temperature
  • EVA polymer 1 part by weight EVA polymer (MFR 43 g / 10 min at 190 ° C / 2.16 kg,
  • VA content 32% by weight) 1 parts by weight of tall resin ester 0.7 parts by weight of table paraffin 52/54 0.3 parts by mass of synthetic wax
  • the wax according to the invention can advantageously also be used as a lubricant in PVC, as a nucleating agent for expandable polystyrene, as an additive for paints or powder coatings and as a starting material for the production of wax oxidate.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention concerne un procédé de production d'une cire de polyéthylène par polymérisation de l'éthylène en présence d'un système de catalyseur Ziegler-Natta qui est composé de tétrachlorure de titane et d'halogénure de dialkylaluminium, la température de polymérisation étant de l'ordre de 170 à 200 °C, la polymérisation étant réalisée essentiellement en présence de solvants et le rapport molaire Al/Ti étant inférieur à 1,6, donnant une cire présentant le profil de caractéristiques suivant : - point de goutte de 115 à 125 °C, indice de pénétration maximal de 1 mm 10<SUP>-1</SUP>; viscosité à 150 °C inférieure à 60 mPas; densité de 0,945 à 0,960 g/cm<SUP>3</SUP> à 23°C; masse molaire inférieure à 1500 g/mol et cristallinité supérieure à 70 %.
EP07820168A 2006-11-25 2007-09-13 Procédé de production de cires de polyéthylène synthétiques à cristallinité élevée et faible viscosité Withdrawn EP2097462A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006055729A DE102006055729A1 (de) 2006-11-25 2006-11-25 Verfahren zur Herstellung synthetischer Polyethylenwachse mit hoher Kristallinität und niedriger Viskosität
PCT/EP2007/059614 WO2008061826A1 (fr) 2006-11-25 2007-09-13 Procédé de production de cires de polyéthylène synthétiques à cristallinité élevée et faible viscosité

Publications (1)

Publication Number Publication Date
EP2097462A1 true EP2097462A1 (fr) 2009-09-09

Family

ID=38859010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07820168A Withdrawn EP2097462A1 (fr) 2006-11-25 2007-09-13 Procédé de production de cires de polyéthylène synthétiques à cristallinité élevée et faible viscosité

Country Status (6)

Country Link
US (1) US9403923B2 (fr)
EP (1) EP2097462A1 (fr)
CN (1) CN101589072B (fr)
DE (1) DE102006055729A1 (fr)
TW (1) TWI481622B (fr)
WO (1) WO2008061826A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017102032A1 (fr) * 2015-12-18 2017-06-22 Hewlett-Packard Indigo B.V. Compositions d'encre électrostatique
KR102213317B1 (ko) * 2016-10-14 2021-02-05 미쓰이 가가쿠 가부시키가이샤 수지 조성물 및 성형체
ES2881500T3 (es) 2017-10-10 2021-11-29 Thai Polyethylene Co Ltd Cera de polietileno oxidada

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298675A (fr) * 1962-10-02
DE1645411B2 (de) 1965-03-25 1974-02-07 Veba-Chemie Ag, 4660 Gelsenkirchenbuer Verfahren zur Herstellung von Polyäthylenwachsen
NL152567B (nl) * 1970-05-29 1977-03-15 Mitsui Petrochemical Ind Werkwijze ter bereiding van synthetische wassen.
US3892717A (en) * 1971-05-25 1975-07-01 Mitsui Petrochemical Ind Process for producing maleic acid modified polymerized ethylene wax
DE4235405A1 (de) 1992-10-21 1994-04-28 Leuna Werke Ag Verfahren zur Herstellung von sehr harten PE-Wachsoxidaten
DE4235404A1 (de) 1992-10-21 1994-04-28 Leuna Werke Ag Verfahren zur Herstellung von sehr niedrigviskosen PE-Hartwachsen
CN1206719A (zh) * 1997-07-11 1999-02-03 科莱恩有限公司 氧化聚乙烯蜡的方法
US20050085601A1 (en) * 2003-10-15 2005-04-21 Kayo Vizzini Process for forming Ziegler-Natta catalyst for use in polyolefin production
JP4213002B2 (ja) * 2003-09-29 2009-01-21 三井化学株式会社 印刷インキ用ポリエチレン系ワックス及びその使用方法
DE102006055727A1 (de) * 2006-11-25 2008-05-29 Evonik Degussa Gmbh Verwendung eines synthetischen Wachsoxidats als Verarbeitungshilfsmittel für transparente polare Polymere

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008061826A1 *

Also Published As

Publication number Publication date
CN101589072B (zh) 2012-07-11
US20100050900A1 (en) 2010-03-04
WO2008061826A1 (fr) 2008-05-29
CN101589072A (zh) 2009-11-25
US9403923B2 (en) 2016-08-02
TWI481622B (zh) 2015-04-21
DE102006055729A1 (de) 2008-05-29
TW200844115A (en) 2008-11-16

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