WO2006072429A2 - Composition d'elastomere thermoplastique - Google Patents

Composition d'elastomere thermoplastique Download PDF

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Publication number
WO2006072429A2
WO2006072429A2 PCT/EP2005/014045 EP2005014045W WO2006072429A2 WO 2006072429 A2 WO2006072429 A2 WO 2006072429A2 EP 2005014045 W EP2005014045 W EP 2005014045W WO 2006072429 A2 WO2006072429 A2 WO 2006072429A2
Authority
WO
WIPO (PCT)
Prior art keywords
thermoplastic
elastomer composition
elastomer
thermoplastic elastomer
composition according
Prior art date
Application number
PCT/EP2005/014045
Other languages
German (de)
English (en)
Other versions
WO2006072429A3 (fr
Inventor
Carlo Wojciechowski
Alexander Widmayr
Manuela Gehringer
Dagmar Koppler
Original Assignee
Braun Gmbh
Woco Industrietechnik Gmbh
Allod Werkstoff Gmbh & Co. Kg
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 Braun Gmbh, Woco Industrietechnik Gmbh, Allod Werkstoff Gmbh & Co. Kg filed Critical Braun Gmbh
Publication of WO2006072429A2 publication Critical patent/WO2006072429A2/fr
Publication of WO2006072429A3 publication Critical patent/WO2006072429A3/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes

Definitions

  • the invention relates to a thermoplastic elastomer composition and a composite molded article produced therefrom.
  • U.S. Patent No. 5,948,503 relates to fine fiber reinforced thermoplastic elastomers for a variety of component applications, such as tubing, rubber rollers or car tires.
  • the thermoplastic elastomer described therein comprises a specific elastic component, a polyolefin component and a polyamide component.
  • the components mentioned are chemically bound in the composition by a binder.
  • thermoplastic elastomer composition also describes a thermoplastic elastomer composition.
  • silanes can be used as coupling reagents within the thermoplastic elastomer composition.
  • the thermoplastic elastomer composition is said to have excellent mechanical properties without impaired recycling properties.
  • compositions comprising a polyamide and polypropylene are described.
  • the compositions may include reinforcing agents such as glass fibers.
  • the glass fibers may have been treated with conventional coupling reagents such as silanes.
  • the coating of metals with thermoplastic elastomers for the production of cohesive compounds is complicated. In order to achieve a high peel strength of the thermoplastic elastomer, the application of a primer is necessary. The coating of metallic surfaces with conventional thermoplastic elastomers without pretreatment by means of primers only leads to a peel strength of at most 10% over that with primer.
  • the object of the present invention is to provide a thermoplastic elastomer composition by which degreased surfaces of metal, in particular stainless steel, metallized plastic, a body with a painted surface, a technical thermoplastic or glass can be coated in a simple manner with the elastomer composition, at the same time a peel strength which is 80% of that achieved by conventional methods using a primer.
  • thermoplastic elastomer composition should be processable by any thermoplastic method, ie by increasing the pressure and / or temperature. Suitable methods are e.g. Pressing, extruding or injection molding.
  • the resulting adhesive bond to the metal, metallized plastic, a body with a painted surface, a technical thermoplastic and glass must be durable and waterproof.
  • thermoplastic elastomer composition which is characterized in that it contains 50-99.9 wt .-% of a thermoplastic block elastomer and / or a thermoplastic olefin elastomer and / or a thermoplastic polyurethane elastomer and / or a thermoplastic polyester elastomer and / or a thermoplastic silicone elastomer and 0.1-50 wt .-% of a coupling agent.
  • thermoplastic elastomer composition according to the invention is now a satisfactory direct adhesion between a thermoplastic elastomer and a surface of metal, metallized plastic, a body with a painted surface, a technical thermoplastic or glass advantageously possible.
  • thermoplastic elastomer composition according to the invention can now furthermore be used to produce corresponding composite injection-molded parts consisting of a metal, a metallized plastic, a body with a lacquered surface, a technical thermoplastic or glass and a thermoplastic elastomer by means of a cohesive composite.
  • the block thermoplastic elastomer comprises polystyrene hard segments and polybutadiene and / or polyisoprene soft segments. These may be hydrogenated or not hydrogenated.
  • the thermoplastic elastomer composition is characterized by comprising this block elastomer and the thermoplastic polyester elastomer.
  • thermoplastic block elastomer and the polyester elastomer are present in a further particularly preferred embodiment in a weight ratio of 2: 3.
  • thermoplastic olefin elastomers can be crosslinked in the form of blends of olefinic polymers! or uncrosslinked rubber or in the form of olefin polymers consisting of homopolymers or copolymers of C 2 -C 8 - ⁇ -olefins.
  • thermoplastic elastomers mentioned can be present individually or in combination with one another.
  • the adhesion promoter comprises hydrolyzable group-containing organosilicon compound and / or an alkyl silicone resin and / or a coupling reagent and / or an ionomer.
  • thermoplastic elastomer composition is characterized in that the organosilicon compound having hydrolyzable groups has the following general formula
  • the hydrolyzable group-containing organosilicon compound is a glycidyloxypropyltrimethoxysilane, preferably in an amount of 0.5-10% by weight, based on the matrix.
  • the two mentioned in claim 1 components of the thermoplastic elastomer composition ie the elastomer and the adhesion promoter to understand.
  • the alkyl silicone resin is present in a proportion by weight of 0.5-15 wt .-% based on the matrix.
  • the coupling reagents are in the form of titanates, zirconates, iron (III) triethoxide, Fe (II) tributene oxide or Al triethoxide in an amount of 0.1-5.0% by weight, based on the matrix.
  • Suitable ionomers are, for example, copolymers of ethylene with a proportion of 1.0-20.0% by weight, based on the matrix.
  • the substances mentioned can be used individually or in combination as adhesion promoters.
  • the adhesion promoter can be supplied only at a suitable point of the material flow of the elastomer composition.
  • thermoplastic elastomer composition may contain other components in addition to the matrix and forms together with these the so-called compound.
  • additional components can be fillers, thermoplastics, agents and co-agents for coupling the coupling agent to the thermoplastic elastomer composition, adhesion co-agents, plasticizers, colorants, metal oxides, molecular sieves, stabilizers or processing aids.
  • Suitable fillers are active and inactive fillers. Active fillers significantly improve the properties of the finished part, while inactive fillers have no influence on the properties.
  • Suitable fillers are CaCO 3 , talc, silica or fiber materials with proportions of up to 50 wt .-% of the total compound. Particularly preferred are CaCO 3 and silica.
  • Suitable thermoplastics are PP, PE, also in functionalized form, or polybutylene terephthalate, polycarbonate, ABS and PS for improving the heat resistance and the mechanical properties in proportions of up to 96% by weight of the total compound.
  • Suitable agents and co-agents for the chemical coupling of the adhesion promoters to the thermoplastic elastomer composition are, for example, peroxides with proportions of 0.1-5% by weight of the total compound.
  • Adhesion co-agents in the form of oligomeric substances which can also be used in functionalized form are, for example, hydroxyl polyurethane with proportions of 0.1-20% by weight of the total compound.
  • Plasticizers such as saturated paraffin oil, increase flexibility, ductility, and processability, and may be present at levels of 5-75% by weight of the total compound.
  • Colorants based on inorganic or natural or synthetic organic dyes, also in combination with one another, may be present in proportions of 0.2-5% by weight of the total compound.
  • metal oxides or molecular sieves may be present in proportions of 0.1-5 weight percent of the total compound to prevent porosity of the thermoplastic elastomer composition.
  • Stabilizers can be adapted to the material adaptation according to processing and operating conditions.
  • Suitable stabilizers are, for example, antioxidants and light stabilizers.
  • processing aids such as slip components can be added to the thermoplastic elastomer composition.
  • thermoplastic elastomer composition may, for example, be carried out using a co-rotating, intermeshing twin screw extruder.
  • twin-screw extruder is dosed with a mixture which was previously prepared in an internal mixer from the individual components.
  • the thermoplastic elastomer composition can be directly treated or process after a cooling and granulation step. It is also possible to separate the individual components.
  • the invention furthermore relates to a composite molding which is characterized in that it comprises the thermoplastic elastomer composition according to the invention.
  • This can be connected as a molded part with metal, metallized plastic, a body with a painted surface, a technical thermoplastic or glass.
  • thermoplastic elastomer composition is supplied to the body to which it is to adhere intimately in a molten state.
  • This feed can be carried out under pressure, for example in a mold, preferably in a heatable form.
  • the thermoplastic elastomer composition has a hardness between 10A and 5OD shore.
  • thermoplastic elastomer compositions or such composite moldings are used in particular in the automotive and electrical equipment, but are also suitable for general industrial applications. They can always be used when metal sections or glass sections require plastic sections for sealing, as non-slip contact surfaces or for noise damping and / or insulation.
  • body parts including, for example, sound insulation layers of plastic are applied directly to the corresponding sheet metal or glass zones, in Pedalerie Schl the non-slip plastic sections can be sprayed directly onto the pedal unit.
  • various sealing elements on lids, pipes and other structural parts can be realized by the inventive composite material particularly favorable by direct spraying.
  • the invention finds application, for example in the washing machine sector, where elastomers can then be sprayed directly onto a metal or glass body for sealing or sound insulation / damping purposes. But even in the small electrical appliances sector, many applications possibilities. Thus, for decorative or functional (handle sections) reasons surface sections can be provided with directly applied plastic areas. Even with small appliances elastomeric sealing surfaces can then be sprayed directly onto housing orjansbauteiie made of metal or glass, without an elaborate pretreatment is necessary.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

L'invention concerne une composition d'élastomère thermoplastique comportant 50-99,9 % en poids d'un bloc-élastomère thermoplastique et/ou d'un élastomère oléfinique thermoplastique et/ou d'un élastomère polyuréthane thermoplastique et/ou d'un élastomère polyester thermoplastique et/ou d'un élastomère silicone thermoplastique, ainsi que 0,1-50 % en poids d'un adhésif. La présente invention porte également sur une pièce moulée composite contenant une composition d'élastomère.
PCT/EP2005/014045 2004-12-30 2005-12-27 Composition d'elastomere thermoplastique WO2006072429A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410063516 DE102004063516A1 (de) 2004-12-30 2004-12-30 Thermoplastische Elastomerzusammensetzung
DE102004063516.1 2004-12-30

Publications (2)

Publication Number Publication Date
WO2006072429A2 true WO2006072429A2 (fr) 2006-07-13
WO2006072429A3 WO2006072429A3 (fr) 2006-09-21

Family

ID=35998490

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/014045 WO2006072429A2 (fr) 2004-12-30 2005-12-27 Composition d'elastomere thermoplastique

Country Status (2)

Country Link
DE (1) DE102004063516A1 (fr)
WO (1) WO2006072429A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114702726A (zh) * 2022-04-13 2022-07-05 广西科学院 一种车用聚丙烯塑料专用型超细活性滑石粉的制备方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006037534A1 (de) * 2006-08-10 2008-04-03 Allod Werkstoff Gmbh & Co. Kg Thermoplastisches Erzeugnis
DE102014007211A1 (de) 2014-05-19 2015-11-19 Kraiburg Tpe Gmbh & Co. Kg Thermoplastische Elastomerenzusammensetzungen mit Haftung zu metallischen Oberflächen

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743636A (en) * 1985-05-28 1988-05-10 W. R. Grace & Co. Sealing compound comprising cork powder and talc fillers
EP0546530A2 (fr) * 1991-12-11 1993-06-16 Kimberly-Clark Corporation Composition élastomère apte à l'extrusion à dégradation contrôlée
EP0878505A1 (fr) * 1996-11-22 1998-11-18 Daicel Chemical Industries, Ltd. Compositions thermofusibles et objets moules multicouches comprenant les couches renfermant ces compositions
US5948503A (en) * 1995-08-30 1999-09-07 Ube Industries, Ltd. Fine fiber reinforced thermoplastic elastomer composition and process for producing same
WO2001025331A1 (fr) * 1999-10-06 2001-04-12 Kraton Polymers Research B.V. Article chaussant realise a partir d'une composition elastomere thermoplastique d'aspect mat
EP1116747A1 (fr) * 2000-01-14 2001-07-18 Sumitomo Rubber Industries, Ltd. Composition polymérique à faible module et matériau de scellement en dérivant
US6403710B1 (en) * 1994-08-29 2002-06-11 The Dow Chemical Company Block copolymer compositions containing substantially inert thermoelastic extenders
US20020160137A1 (en) * 2001-02-13 2002-10-31 Varma Rajesh Kumar Removable seal of essentially gas-impermeable thermoplastic elastomer
WO2003048263A1 (fr) * 2001-11-30 2003-06-12 Braun Gmbh Procede de liaison solide entre des elastomeres thermoplastiques (tpe) et une surface metallique
JP2005082689A (ja) * 2003-09-08 2005-03-31 Tosoh Corp 芳香族アミドブロック共重合体及びその製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2641540B1 (fr) * 1989-01-12 1992-08-14 Solvay
JP4307155B2 (ja) * 2002-12-03 2009-08-05 横浜ゴム株式会社 熱可塑性エラストマー組成物

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743636A (en) * 1985-05-28 1988-05-10 W. R. Grace & Co. Sealing compound comprising cork powder and talc fillers
EP0546530A2 (fr) * 1991-12-11 1993-06-16 Kimberly-Clark Corporation Composition élastomère apte à l'extrusion à dégradation contrôlée
US6403710B1 (en) * 1994-08-29 2002-06-11 The Dow Chemical Company Block copolymer compositions containing substantially inert thermoelastic extenders
US5948503A (en) * 1995-08-30 1999-09-07 Ube Industries, Ltd. Fine fiber reinforced thermoplastic elastomer composition and process for producing same
EP0878505A1 (fr) * 1996-11-22 1998-11-18 Daicel Chemical Industries, Ltd. Compositions thermofusibles et objets moules multicouches comprenant les couches renfermant ces compositions
WO2001025331A1 (fr) * 1999-10-06 2001-04-12 Kraton Polymers Research B.V. Article chaussant realise a partir d'une composition elastomere thermoplastique d'aspect mat
EP1116747A1 (fr) * 2000-01-14 2001-07-18 Sumitomo Rubber Industries, Ltd. Composition polymérique à faible module et matériau de scellement en dérivant
US20020160137A1 (en) * 2001-02-13 2002-10-31 Varma Rajesh Kumar Removable seal of essentially gas-impermeable thermoplastic elastomer
WO2003048263A1 (fr) * 2001-11-30 2003-06-12 Braun Gmbh Procede de liaison solide entre des elastomeres thermoplastiques (tpe) et une surface metallique
JP2005082689A (ja) * 2003-09-08 2005-03-31 Tosoh Corp 芳香族アミドブロック共重合体及びその製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN Bd. 2003, Nr. 12, 5. Dezember 2003 (2003-12-05) & JP 2005 082689 A (TOSOH CORP), 31. März 2005 (2005-03-31) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114702726A (zh) * 2022-04-13 2022-07-05 广西科学院 一种车用聚丙烯塑料专用型超细活性滑石粉的制备方法
CN114702726B (zh) * 2022-04-13 2024-02-13 广西科学院 一种车用聚丙烯塑料专用型超细活性滑石粉的制备方法

Also Published As

Publication number Publication date
DE102004063516A1 (de) 2006-07-13
WO2006072429A3 (fr) 2006-09-21

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