US20070203282A1 - Electrostatic Composition Based On A Polyamide Matrix - Google Patents
Electrostatic Composition Based On A Polyamide Matrix Download PDFInfo
- Publication number
- US20070203282A1 US20070203282A1 US10/567,915 US56791504A US2007203282A1 US 20070203282 A1 US20070203282 A1 US 20070203282A1 US 56791504 A US56791504 A US 56791504A US 2007203282 A1 US2007203282 A1 US 2007203282A1
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- US
- United States
- Prior art keywords
- composition
- polyamide
- weight
- ethylene
- electrically conductive
- 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.)
- Abandoned
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- 0 *CCCC(=O)CC(*)=O.C.C Chemical compound *CCCC(=O)CC(*)=O.C.C 0.000 description 5
Classifications
-
- 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
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
- C08K3/017—Antistatic agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; 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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
Definitions
- the first referred to as “inline” process
- online process refers to a process according to which the component made of plastic is assembled on the vehicle at the beginning of the process mentioned above.
- the plastic components are thus subjected to degreasing, electroplating and drying stages at temperatures which can exceed 200° C. Consequently, for this type of process, it is necessary for the components made of plastic to be able to withstand higher temperatures.
- offline process the component made of plastic is first painted in order to be subsequently assembled on the vehicle.
- the Applicant Company has demonstrated a composition based on a polyamide matrix comprising electrically conductive fillers and antistatic agents.
- This polyamide composition makes possible the forming of articles exhibiting a good balance in mechanical properties, thermal properties and properties with regard to the ability to be painted, in particular by deposition of paint by an electrostatic process.
- the plastic components according to the invention also exhibit a suitable linear thermal expansion coefficient (LTEC), in particular for the field of the motor vehicle industry.
- LTEC linear thermal expansion coefficient
- the plastic components according to the invention furthermore have a good temperature stability, a good surface appearance and a good propensity for molding.
- composition based on a polyamide matrix according to the invention has a significantly lower melt viscosity, in comparison with a polyamide composition comprising solely conductive fillers, which is in particular advantageous for certain processes for the manufacture of components, such as injection molding.
- This composition can comprise one or more types of electrically conductive fillers and one or more types of antistatic agents.
- the parameters of surface resistivity and of discharge time of the composition of the invention are highly appropriate in particular for the production of articles which are highly suitable for painting and which have a good compromise in mechanical properties.
- composition according to the invention can comprise from 2 to 50% by weight of electrically conductive fillers, with respect to the total weight of the composition, preferably from 2 to 30% by weight, more preferably still from 2 to 10% by weight, particularly from 2 to 5% by weight.
- the electrically conductive fillers are preferably chosen from the group consisting of: a carbon black, a metal, a graphite, a conductive polymer, a glass and/or an inorganic filler coated with a metal layer, and/or their mixture.
- the glass and/or the inorganic fillers can be coated with a layer of metal, such as nickel, aluminum, silver, iron, chromium and/or titanium, for example.
- the electrically conductive fillers can be in the form of spheres, such as, for example, in the form of microspheres and/or nanospheres; of tubes, such as, for example, in the form of microtubes and/or nanotubes; and/or of fibers, such as, for example, in the form of microfibers and/or nanofibers. These fibers can be cut up and/or ground.
- Use may be made, as conductive polymer, for example, of polyaniline, polypyrrole, polythiophene and/or poly-acetylene.
- the conductive filler according to the invention is carbon black.
- the conductive carbon black is described in particular in Carbon Black, Second Edition, Revised and Expanded, Science and Technology, edited by J. B. Donnet, R. C. Bansal and M. J. Wang, Marcel Dekker Inc., pages 271-275.
- the composition according to the invention comprises from 2 to 10% by weight of carbon black, preferably from 2 to 5% by weight, particularly from 2 to 4% by weight, as electrically conductive fillers, with respect to the total weight of the composition.
- the antistatic agents used according to the present invention can also be referred to as “dissipating electrostatic agents”.
- the composition according to the invention comprises from 1 to 30% by weight of antistatic agents, with respect to the total weight of the composition, more preferably still from 5 to 20% by weight.
- the antistatic agents can be chosen, for example, from the group consisting of polyetheramides, sodium alkyl-sulfonates, alkylbenzenesulfonates, primary, secondary or tertiary amines, ethoxylated amines, ethoxylated alcohols, glyceryl monostearates, distearates or tristearates, and their mixtures.
- polyetheramides is understood to mean various types of polymers comprising one or more polyamide blocks and one or more poly(alkylene oxide) blocks.
- the polyetheramide is a block polymer compound represented by the formula (I): in which:
- n is an integer between 5 and 50;
- X represents an oxygen atom or an NH group
- PAO represents a poly(alkylene oxide) block
- PA represents a polyamide block, the repeat unit of which is represented by either of the formulae (IIa) or (IIb): in which: R 1 , R 2 and R 3 are aromatic or aliphatic radicals comprising 4 to 36 carbon atoms.
- the block copolymer represented by the formula (I) is a polyether-block-amide or a polyetheresteramide. Such compounds are sold in particular by Atofina under the name of Pebax® and Ciba under the name of Irgastat. They comprise polyamide blocks and poly(alkylene glycol) blocks. The number of blocks of each nature is between 3 and 50. It is preferably between 10 and 15. The number of blocks is represented by the integer n in the formula (I).
- the polyamide blocks can be represented by either of the formulae (IIa) or (IIb) represented above.
- the blocks of formula (IIa) are polyamides of the type of those obtained by polymerization starting from lactams and/or amino acids. The processes for the polymerization of such compounds are known: mention is made, inter alia, of anionic polymerization or melt polycondensation, for example in a VK tube.
- the (IIb) blocks are of the type of those obtained by polycondensation of dicarboxylic acids with amines.
- X represents an oxygen atom
- formula (I) thus being as follows:
- radical R 1 is advantageously chosen from the following radicals:
- the linear divalent pentyl radical the polyamide block is then a polyamide 6 block;
- the polyamide block is then a polyamide 11 block;
- the polyamide block is then a polyamide 12 block.
- the pairs of radicals R 2 and R 3 are advantageously chosen from the following pairs:
- R 2 linear divalent butyl radical
- R 3 linear divalent hexyl radical: polyamide 6,6 block
- R 2 linear divalent butyl radical
- R 3 linear divalent butyl radical: polyamide 4,6 block
- R 2 linear divalent octyl radical
- R 3 linear divalent hexyl radical: polyamide 6,10 block.
- the poly(alkylene oxide) block can be chosen from poly(ethylene oxide), poly(trimethylene oxide) or poly(tetramethylene oxide) blocks. In the case where the block is based on poly(ethylene oxide), it can comprise propylene glycol units at the ends of the block.
- the average molecular weights of each of the blocks are independent of one another. However, it is preferable for them to be close to one another.
- the average molecular weight of the PAO blocks is preferably between 1000 and 3000 g/mol.
- the average molecular weight of the PA blocks is advantageously between 1000 and 3000 g/mol.
- the compound of formula (I) can be obtained by catalyzed reaction between polyamide macromolecular chains, the end functional groups of which are carboxylic acid functional groups, and polyetherdiol chains, that is to say poly(alkylene oxide) macromolecular chains, the end functional groups of which are alcohol functional groups. They are, for example, poly(ethylene glycol) chains comprising alcohol endings.
- the reaction between the end functional groups of the blocks can be catalyzed by tetraalkyl orthotitanates or zirconyl acetate.
- the modifying compounds of formula (I) have a melting point of greater than 150° C., preferably of between 150 and 250° C.
- the polyamide matrix according to the invention is generally composed of at least one (co)polyamide chosen from the group consisting of: (co)polyamide 6; 4; 11; 12; 4,6; 6,6; 6,9; 6,10; 6,12; 6,18; 6,36; 6(T); 9(T); 6(I); MXD6; their copolymers and/or blends.
- semicrystalline or amorphous polyamides such as aliphatic polyamides, semiaromatic polyamides and more generally linear polyamides obtained by polycondensation between an aliphatic or aromatic saturated diacid and an aromatic or aliphatic saturated primary diamine, polyamides obtained by condensation of a lactam or of an amino acid, or linear polyamides obtained by condensation of a mixture of these various monomers.
- copolyamides can, for example, be poly(hexamethylene adipamide), the polyphthalamides obtained from terephthalic and/or isophthalic acid, the copolyamides obtained from caprolactam, and from one or more monomers generally used for the manufacture of polyamides, such as adipic acid, terephthalic acid and/or hexamethylenediamine.
- the composition can comprise one or more (co)polyamides obtained as a blend or as a copolymer, for example.
- the polyamide matrix of the invention can be a polymer of random tree type, preferably a copolyamide exhibiting a random tree structure. These copolyamides of random tree structure and the process for the preparation thereof are disclosed in particular in document WO 99/03909.
- the thermoplastic matrix of the invention can also be a composition comprising a linear thermoplastic polymer and a star, H and/or tree thermoplastic polymer as described above.
- the thermoplastic matrix of the invention can also comprise a hyperbranched copolyamide of the type of those disclosed in the document WO 00/68298.
- the thermoplastic matrix of the invention can also comprise any combination of linear, star, H or tree thermoplastic polymer or hyperbranched copolyamide as described above.
- the polyamide composition according to the invention can comprise reinforcing and/or bulking fillers preferably chosen from the group consisting of fibrous fillers, such as glass fibers, metal fibers or carbon fibers; inorganic fillers, such as clays, kaolin, wollastonite, mica, talc and glass beads; finely dispersible reinforcing nanoparticles, such as montmorillonite; or made of thermosetting material.
- fibrous fillers such as glass fibers, metal fibers or carbon fibers
- inorganic fillers such as clays, kaolin, wollastonite, mica, talc and glass beads
- finely dispersible reinforcing nanoparticles such as montmorillonite
- the level of incorporation of these fillers is in accordance with the standards in the field of composite materials.
- the level of filler can, for example, be from 1 to 70% by weight, preferably from 10 to 60% by weight, with respect to the total weight of the composition.
- the polyamide composition according to the invention can also comprise at least one agent which modifies the impact strength chosen, for example, from the group consisting of: ethylene-propylene (EP) optionally grafted with maleic anhydride, ethylene-propylene-diene (EPDM) terpolymer optionally grafted with maleic anhydride, elastomeric copolymers, such as styrene-maleic anhydride (SMA), for example, ultra-low-density polyethylene (ULDPE), linear low density polyethylene (LLDPE), styrene-butadiene (SBS and SBR) compounds, styrene-ethylene-butadiene-styrene (SEBS) compounds, polypropylene (PP), acrylic elastomers (such as polyacrylate elastomers), copolymers and terpolymers of ethylene with acrylic or methacrylic derivatives and/or with vinyl acetate, ionomers, acrylonitrile-buta
- the polyamide composition according to the invention can additionally comprise one or more additives commonly used by a person skilled in the art in thermoplastic compositions used in particular for the manufacture of molded articles. Mention may thus be made, as example of additives, of heat stabilizers, flame retardants, molding agents, such as calcium stearate, UV stabilizers, antioxidants, lubricants, abrasion reducers, pigments, dyes, plasticizers, laser marking promoters, waxes or agents which modify the impact strength.
- the antioxidants and heat stabilizers are, for example, alkaline halides, copper halides, sterically hindered phenolic compounds, organic phosphites and aromatic amines.
- the present invention also relates to a process for the preparation of a polyamide composition as defined above in which at least 2% by weight of electrically conductive fillers and at least 1% by weight of antistatic agents are blended with a polyamide matrix, optionally in the molten state.
- the blending can be carried out in the molten state, for example in a single- or twin-screw extruder, or by blending without conversion to the molten state, for example in a mechanical mixer.
- the compounds can be introduced simultaneously or successively. Any means known to a person skilled in the art relating to the introduction of the various compounds of a thermoplastic composition can be used. Use is generally made of an extrusion device in which the material is heated, subjected to a shear force and conveyed. Such devices are fully known to a person skilled in the art.
- composition according to the invention when it is prepared using an extrusion device, can be put into the form of granules.
- the masterblend can also comprise antistatic agents according to the invention.
- the present invention also relates to a process for the application of paint by electrostatic deposition on an article, characterized in that an article of the invention as described above is used in this process.
- the paint can be applied to the article, for example, by spraying or immersion.
- a process for the application of paint by electrostatic deposition on an article comprises at least the following stages: cataphoresis treatment of the article at temperatures of between 150 and 250° C., application of a primer by electrostatic spraying and application of the paint by electrostatic spraying. Each spraying stage can be followed by stage(s) of heating at temperatures of between 100 and 200° C. and by stage(s) of cooling.
- the present invention also relates to an article painted by a process for the application of paint by electrostatic deposition.
- PA 6,6 polyamide 6,6 with a relative viscosity of 2.7 (according to Standard ISO 307 using sulfuric acid as solvent) sold by Rhodia Engineering Plastics under the name Techny® 27 A00.
- PA 6 polyamide 6 with a relative viscosity of 2.7 (according to Standard ISO 307 using sulfuric acid as solvent) sold by Rhodia Engineering Plastics under the name ASN 27 S.
- Elastomer EPR-g-MA: ethylene-propylene copolymer comprising grafted maleic anhydride, with a density of 0.87 g/ml (measured according to ASTM D792) and an MFR of 23 (measured according to ASTM D1238 at 280° C./2.16 kg).
- Conductive carbon black sold by Akzo under the name Ketjen Black 600®.
- Polyetheramide multisegmented block copolymer comprising 50% by weight of polyamide 6 blocks and 50% by weight of polyethylene glycol blocks, X corresponding to an oxygen atom, the average molecular weight of each block of which is approximately 1500 g/mol. Melting point: 204° C. according to Standard ASTM D3418.
- Wollastonite calcium silicate having a particle size of less than 10 ⁇ m and an aspect ratio of 5, surface treatment with a coupling agent.
- Mica mica of ground muscovite type having an average particle size, expressed as D 50 , of less than or equal to 40 ⁇ m and a bulk density of 450 g/l.
- Masterblend MB blend based on EVA comprising 30% of conductive carbon black Ketjen Black 300®, sold by Iridi Color Srl under the name MBUN NIRO N129.
- Polyamide-based compositions are manufactured by blending various compounds mentioned below via a twin-screw extruder.
- the compositions, the compounds used and their amounts are given in table 1: TABLE 1 Formulations A B C D E F G 1 2 PA 6,6 (%) 54.5 56.5 58.5 59.8 60.5 55.5 50.5 58.5 57.5 PA 6 (%) 10 10 10 10 0 0 0 0 0 Elastomer (%) 12 12 12 12 12 12 12 12 12 12 12 12 12 Mica (%) 15 15 15 15 15 15 15 15 15 15 15 15 Others (%) 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Polyetheramide (%) 0 0 0 0 10 15 20 10 10 Carbon black (%) 6 4 2 1 0 0 0 2 3 Adhesion of the paint + + ⁇ ⁇ ⁇ ⁇ + + Surface resistivity ( ⁇ ) n 5 ⁇ 10 5 7 ⁇ 10 11 insulator 25 ⁇
- the percentages of the various components are expressed by weight, with respect to the total weight of the composition.
- MFI melt flow index
- HDT heat deflection temperature
- Adhesion of the paint by electrostatic deposition a sheet is injection-molded from the above compositions.
- the paint is applied to the sheets by an “online” process for painting by cataphoresis in seven stages: stage 1: e-coat simulation (cataphoresis treatment) at 185° C. for 30 minutes. Stage 2: cooling for 20 minutes. Stage 3: application of the primer, BASF PMR82, by electrostatic spraying. Stage 4: heating at 160° C. for 30 minutes. Stage 5: cooling for 20 minutes. Stage 6: application of a white paint by electrostatic spraying. Stage 7: cooling for 20 minutes.
- n means not measured.
- Polyamide-based compositions are manufactured by blending various compounds mentioned below via a twin-screw extruder.
- the compositions, the compounds used and their amounts are given in table 2: TABLE 2 Formulations 3 4 PA 6,6 (%) 46.95 43.95 Elastomer (%) 7 7 Wollastonite (%) 26 26 Others (%) 2.05 2.05 Polyetheramide (%) 11 10 Masterblend MB (%) 7 11 Adhesion of the paint + + Surface resistivity ( ⁇ ) 45 ⁇ 10 9 3 ⁇ 10 9 MFI (g/10 min) 23.5 18.7 Notched Charpy impact (kJ/m 2 ) 9.2 8 Elongation at break (%) 12.8 10.8 Tensile modulus (N/mm 2 ) 2730 2570 HDT (° C.) 206 206 206
- the percentages of the various components are expressed by weight, with respect to the total weight of the composition.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
- Polyamides (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/047,187 US8530001B2 (en) | 2003-08-08 | 2011-03-14 | Electrostatic composition based on a polyamide matrix |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0309782 | 2003-08-08 | ||
FR0309782A FR2858624B1 (fr) | 2003-08-08 | 2003-08-08 | Composition electrostatique a base de matrice polyamide |
PCT/FR2004/002077 WO2005017038A2 (fr) | 2003-08-08 | 2004-08-03 | Composition electrostatique a base de matrice polyamide |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2004/002077 A-371-Of-International WO2005017038A2 (fr) | 2003-08-08 | 2004-08-03 | Composition electrostatique a base de matrice polyamide |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/047,187 Division US8530001B2 (en) | 2003-08-08 | 2011-03-14 | Electrostatic composition based on a polyamide matrix |
Publications (1)
Publication Number | Publication Date |
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US20070203282A1 true US20070203282A1 (en) | 2007-08-30 |
Family
ID=34073105
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/567,915 Abandoned US20070203282A1 (en) | 2003-08-08 | 2004-08-03 | Electrostatic Composition Based On A Polyamide Matrix |
US13/047,187 Active US8530001B2 (en) | 2003-08-08 | 2011-03-14 | Electrostatic composition based on a polyamide matrix |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/047,187 Active US8530001B2 (en) | 2003-08-08 | 2011-03-14 | Electrostatic composition based on a polyamide matrix |
Country Status (11)
Country | Link |
---|---|
US (2) | US20070203282A1 (ko) |
EP (1) | EP1651714B1 (ko) |
JP (1) | JP2007501874A (ko) |
KR (1) | KR100716491B1 (ko) |
CN (1) | CN100427538C (ko) |
AT (1) | ATE454421T1 (ko) |
BR (1) | BRPI0412952B8 (ko) |
CA (1) | CA2535023C (ko) |
DE (1) | DE602004025000D1 (ko) |
FR (1) | FR2858624B1 (ko) |
WO (1) | WO2005017038A2 (ko) |
Cited By (9)
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US20080194751A1 (en) * | 2007-02-07 | 2008-08-14 | Ems-Chemie Ag | Filled polyamide molding materials showing a reduced water absorption |
US20100078194A1 (en) * | 2005-08-08 | 2010-04-01 | Sandeep Bhatt | Polymeric compositions containing nanotubes |
DE102009020090A1 (de) | 2009-05-06 | 2010-11-11 | Lanxess Deutschland Gmbh | Reduktion des Einflusses der Wasseraufnahme auf die elektrische Leitfähigkeit von elektrisch leitfähigen Polyamid-Formmassen |
EP2530115A1 (en) | 2011-05-28 | 2012-12-05 | Clariant International Ltd. | Antistatic compositions comprising a thermoplastic polyester and a mixture of antistatic additives |
EP2586812A1 (en) * | 2010-06-23 | 2013-05-01 | Nagase ChemteX Corporation | Impact-resistant polyamide composition and process for production of same |
US8524120B2 (en) | 2009-06-19 | 2013-09-03 | Sabic Innovative Plastics Ip B.V. | Single conductive pellets of long glass fiber reinforced thermoplastic resin and manufacturing method thereof |
US20140037919A1 (en) * | 2011-02-25 | 2014-02-06 | Peter Plagemann | Selectively coated crp components and process for the production thereof |
CN103740096A (zh) * | 2013-12-17 | 2014-04-23 | 江苏金发科技新材料有限公司 | 低密度轻质abs/pa合金材料及其制备工艺 |
CN115181416A (zh) * | 2022-07-15 | 2022-10-14 | 华润化学材料科技股份有限公司 | 一种聚酰胺工程塑料及其制备方法与应用 |
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EP1934989B1 (en) * | 2005-10-11 | 2012-01-25 | DSM IP Assets B.V. | Electrically conductive polyamide |
EP1837884B1 (en) * | 2006-03-22 | 2008-08-13 | Premix Oy | Electrically conductive elastomer mixture, method for its manufacture, and use thereof |
WO2007113116A1 (de) * | 2006-03-29 | 2007-10-11 | Basf Se | Wärmeleitfähige polyamide |
JP4878895B2 (ja) * | 2006-04-03 | 2012-02-15 | 旭化成ケミカルズ株式会社 | 導電性樹脂組成物 |
CA2649165A1 (en) | 2006-04-18 | 2007-10-25 | James K. Doty | Multilayer polymer structure |
WO2013071474A1 (en) | 2011-11-14 | 2013-05-23 | Honeywell International Inc. | Polyamide composition for low temperature applications |
KR101695515B1 (ko) * | 2014-01-09 | 2017-01-11 | 롯데첨단소재(주) | 전도성 폴리아미드/폴리페닐렌 에테르 수지 조성물 및 이로부터 제조된 자동차용 성형품 |
KR101542442B1 (ko) | 2015-01-28 | 2015-08-06 | 한국엔지니어링플라스틱 주식회사 | 절연성 및 열전도성이 향상된 수지 조성물 |
US10056168B2 (en) | 2015-04-10 | 2018-08-21 | Lotte Advanced Materials Co., Ltd. | Electrically conductive polyamide/polyphenylene ether resin composition and molded article for vehicle using the same |
CN105482102B (zh) * | 2015-12-07 | 2017-09-19 | 中北大学 | 半芳香族透明聚酰胺及其合成方法 |
CN105348520B (zh) * | 2015-12-07 | 2017-09-19 | 中北大学 | 半芳香族聚酰胺及其合成方法 |
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KR102167328B1 (ko) * | 2017-04-27 | 2020-10-19 | 엘지전자 주식회사 | 전기집진장치 |
CN109778264A (zh) * | 2017-11-10 | 2019-05-21 | 丹阳市金地生态园林发展有限公司 | 一种含环氧氯丙烷金属合金抗静电电镀液 |
FR3078341B1 (fr) * | 2018-02-26 | 2020-09-11 | Association Pour Les Transferts De Tech Du Mans | Primaire antistatique en base aqueuse, et procede pour la mise en peinture de substrats electriquement isolants |
CN112352018B (zh) * | 2018-06-29 | 2023-04-28 | 赢创特种化学(上海)有限公司 | 既适用于激光标记又适用于通过染料扩散热转印印刷的聚合物基复合材料 |
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CN103740096A (zh) * | 2013-12-17 | 2014-04-23 | 江苏金发科技新材料有限公司 | 低密度轻质abs/pa合金材料及其制备工艺 |
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Also Published As
Publication number | Publication date |
---|---|
CA2535023A1 (fr) | 2005-02-24 |
WO2005017038A3 (fr) | 2005-06-09 |
BRPI0412952A (pt) | 2006-09-26 |
EP1651714A2 (fr) | 2006-05-03 |
CN1849366A (zh) | 2006-10-18 |
BRPI0412952B1 (pt) | 2015-04-14 |
US20110165336A1 (en) | 2011-07-07 |
CN100427538C (zh) | 2008-10-22 |
CA2535023C (fr) | 2010-10-12 |
FR2858624B1 (fr) | 2005-09-09 |
WO2005017038A2 (fr) | 2005-02-24 |
US8530001B2 (en) | 2013-09-10 |
DE602004025000D1 (de) | 2010-02-25 |
KR20060107503A (ko) | 2006-10-13 |
EP1651714B1 (fr) | 2010-01-06 |
KR100716491B1 (ko) | 2007-05-10 |
ATE454421T1 (de) | 2010-01-15 |
FR2858624A1 (fr) | 2005-02-11 |
BRPI0412952B8 (pt) | 2018-02-27 |
JP2007501874A (ja) | 2007-02-01 |
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