WO2015024912A1 - Compositkunststoffteil mit verbesserter adhäsion zwischen den enthaltenen kunststoffkomponenten - Google Patents
Compositkunststoffteil mit verbesserter adhäsion zwischen den enthaltenen kunststoffkomponenten Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/10—Reinforcing macromolecular compounds with loose or coherent fibrous material characterised by the additives used in the polymer mixture
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14008—Inserting articles into the mould
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/0206—Polyalkylene(poly)amines
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/047—Reinforcing macromolecular compounds with loose or coherent fibrous material with mixed fibrous material
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/02—Polyamines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14311—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14786—Fibrous material or fibre containing material, e.g. fibre mats or fibre reinforced material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2079/00—Use of polymers having nitrogen, with or without oxygen or carbon only, in the main chain, not provided for in groups B29K2061/00 - B29K2077/00, as moulding material
- B29K2079/08—PI, i.e. polyimides or derivatives thereof
- B29K2079/085—Thermoplastic polyimides, e.g. polyesterimides, PEI, i.e. polyetherimides, or polyamideimides; Derivatives thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2679/00—Use of polymers having nitrogen, with or without oxygen or carbon only, in the main chain not provided for in groups B29K2661/00 - B29K2677/00, for preformed parts, e.g. for inserts
- B29K2679/08—PI, i.e. polyimides or derivatives thereof
- B29K2679/085—Thermoplastic polyimides, e.g. polyesterimides, PEI, i.e. polyetherimides or polyamideimides; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/02—Polyamines
Definitions
- the present invention relates to a composite plastic part (CK) comprising a first plastic component (K1) and a second plastic component (K2) and containing a polyethyleneimine (PEI) for improving the adhesion between K1 and K2. Furthermore, the present invention relates to a method for producing this composite plastic part (CK), a method for improving the adhesion between a first plastic component (K1) and a second plastic component (K2) in a composite plastic part (CK) and the use of polyethyleneimine (PEI) Improvement of the adhesion between a first plastic component (K1) and a second plastic component (K2) in a composite plastic part (CK).
- PEI polyethyleneimine
- Fiber-reinforced plastics have been established as materials for many years, which are used in many applications as a replacement for metal parts. Fiber-reinforced sheet-like plastics are therefore also referred to as organic sheets. The use of fiber-reinforced plastics is intended to reduce the weight of the materials used and the manufacturing costs of the materials.
- fiber-reinforced plastic parts usually a glass, carbon or aramid fiber in the form of a fabric or a fabric is enclosed by a polymer.
- the fiber-reinforced plastic parts thus obtained can be produced inexpensively, are lightweight compared to comparable metal parts and are characterized by good mechanical properties.
- Thermosetting polymers were used as polymer components for the first fiber-reinforced plastic parts.
- fiber-reinforced plastics containing thermoplastics as a polymer component have been developed.
- fiber-reinforced plastics can be further processed by welding and encapsulation.
- the welding and encapsulation of endless fiber reinforced plastic sheet-like parts is described for example in Marco Wacker et al., "Welding and encapsulation of organo sheets", KU plastics, Karl Hanser Verlag Kunststoff, born 92 (2002), 6 Behind or overmolding functional elements can be attached to the fiber reinforced plastic sheet parts fiber-reinforced sheet-like plastic preheated prior to insertion into the mold and then encapsulated with a second polymer.
- first plastic element In order to achieve a good connection between the first plastic part and the second polymer injected into the mold, it is necessary, as described above, to preheat the first plastic element.
- preheating for example, infrared radiators or ovens can be used.
- preheating the first plastic element is softened and optionally fused to the surface. The heating can be done outside of the mold. It is also possible to carry out the heating directly in the mold. As a result, deformations of the softened first plastic element can be avoided.
- US 2008/0176090 A1 describes a composite plastic part which contains a first and a second plastic component. To improve the adhesion, a so-called adhesion promoter layer is used between the first and the second plastic component.
- the adhesion promoter layer contains ethylene vinyl alcohol copolymers, ethylene vinyl acetate copolymers or ionomers, such as, for example, ethylene-based polymers which have carboxyl groups and in which the carboxyl groups are neutralized with metal ions.
- the composite plastic parts described in US 2008/0176090 already have good adhesion, but their preparation is complicated due to the need for an additional adhesion promoter layer.
- US 2012/0027983 describes polyamide composite plastic parts in which the use of a separate adhesion promoter layer is not absolutely necessary.
- the composite plastic parts also have a first and a second plastic component, wherein at least one of the plastic components contains 1 to 15 wt .-% of a functionalized polyolefin to improve the adhesion between the first and the second plastic component.
- a functionalized polyolefin for example, polyolefins are used, which are grafted with maleic anhydride.
- the object of the present invention is therefore to provide a composite plastic part (CK) which has improved adhesion between the plastic components contained in the composite plastic part (CK).
- the composite plastic part (CK) should be simple and inexpensive to produce and have good mechanical properties.
- This object is achieved by a composite plastic part (CK) comprising i) a first plastic component (K1) containing ia) a matrix composition (MZ) comprising a polyamide matrix polymer (PAM) and at least one first fiber material (F1) for reinforcement, and ib) a Surface composition (OZ) containing a polyamide surface polymer (PAO) forming a surface of K1, and ii) a second plastic component (K2) containing a polyamide-forming polymer (PAA) and molded to the surface of K1, wherein OZ and / or K2 contains a polyethyleneimine (PEI) to improve adhesion between K1 and K2.
- PEI polyethyleneimine
- the composite plastic parts (CK) according to the invention thus have good mechanical properties, in particular a very good adhesion between the first plastic component (K1) and the second plastic component (K2).
- the composite plastic parts (CK) are simple and inexpensive to produce.
- the present invention thus also provides a process for producing a composite plastic part (CK) comprising the following steps a) providing a first plastic component (K1) containing a matrix composition (MZ) comprising a polyamide matrix polymer (PAM) and at least one first fiber material (F1) for reinforcing, and ib) has a surface composition (OZ) containing a polyamide surface polymer (PAO) forming a surface of K1, and b) molding a second plastic component (K2) containing a polyamide-forming polymer (PAA) to the Surface of K1, where
- OZ and / or K2 contains a polyethyleneimine (PEI) to improve the adhesion between K1 and K2.
- PEI polyethyleneimine
- the present invention also provides a composite plastic part (CK) obtainable by the process according to the invention.
- the present invention also provides the use of polyethyleneimine (PEI) for improving the adhesion between a first plastic component (K1) and a second plastic component (K2) in a composite plastic part (CK), wherein CK i) comprises a first plastic component (K1) ia) a matrix composition (MZ) comprising a polyamide matrix polymer (PAM) and at least one first fiber material (F1) for
- OZ and / or K2 contains a polyethyleneimine (PEI) to improve the adhesion between K1 and K2.
- PEI polyethyleneimine
- Another object of the present invention is a method for improving the adhesion between a first plastic component (K1) and a second plastic component (K2) in a composite plastic part (CK) comprising the following steps a) providing a first plastic component (K1) comprising a matrix composition ( MZ) containing a polyamide matrix polymer (PAM) and at least one first fiber material (F1) for reinforcement, and ib) a surface composition (OZ) containing a polyamide surface polymer (PAO) and forming a surface of K1, and
- K2 a second plastic component containing a polyamide anformungspolymer (PAA), to the surface of K1, wherein
- OZ and / or K2 contains a polyethyleneimine (PEI) to improve the adhesion between K1 and K2.
- PEI polyethyleneimine
- the first plastic component (K1) is also abbreviated to K1 below.
- the matrix composition (MZ) is also referred to below as MZ 10 for short.
- the polyamide matrix polymer (PAM) is also referred to below as PAM.
- the first fiber material (F1) is also abbreviated to F1 below.
- the surface composition (OZ) is also abbreviated to OZ below.
- the polyamide surface polymer (PAO) is also referred to below as PAO.
- the matrix composition (MZ) contains a polyamide matrix polymer (PAM) and at least one first fiber material (F1) for reinforcement.
- PAM polyamide matrix polymer
- F1 first fiber material
- polyamide matrix polymer PAM
- PAM polyamide matrix polymer
- PAM polyamide matrix polymer
- PAM polyamide matrix polymer
- F1 first fiber material
- Suitable polyamide matrix polymers (PAM) generally have a viscosity number of from 90 to 350, preferably from 10 to 240 ml / g. The determination of the viscosity number is carried out from a 0.5 wt .-% solution of the polyamide matrix polymer (PAM) in 35 96 wt .-% sulfuric acid at 25 ° C according to ISO 307th
- polyamide matrix polymers semicrystalline or amorphous polyamides are preferred.
- Suitable polyamide matrix polymers have a weight average molecular weight (M w ) in the range of 500 to 2,000,000 g / mol. The average molecular weight (M w ) is determined by means of light scattering according to AMST D4001.
- polyamide matrix polymers for example, polyamides are suitable which are derived from lactams having 7 to 13 ring members.
- polyamide matrix polymer polyamides obtained by reacting dicarboxylic acids with diamines are further suitable.
- polyamides derived from lactams include polyamides derived from polycaprolactam, polycapryl lactam and / or polylaurolactam.
- dicarboxylic acids which can be used are dicarboxylic acid alkanes having 6 to 36 carbon atoms, preferably 6 to 12 carbon atoms.
- aromatic dicarboxylic acids are suitable.
- dicarboxylic acids examples include adipic acid, azelaic acid, sebacic acid, dodecanedicarboxylic acid and terephthalic acid and / or isophthalic acid.
- Suitable diamines are, for example, alkanediamines having 6 to 36 carbon atoms, in particular alkanediamines having 6 to 12 carbon atoms, and aromatic diamines, for example m-xylylenediamine, di (4-aminophenyl) methane, di (4-aminocyclohexyl) -methane, 2, 2-di- (4-aminophenyl) -propane, 2,2-di- (4-aminocyclohexyl) -propane or 1, 5-diamino-2-methyl-pentane.
- aromatic diamines for example m-xylylenediamine, di (4-aminophenyl) methane, di (4-aminocyclohexyl) -methane, 2, 2-di- (4-aminophenyl) -propane, 2,2-di- (4-aminocyclohexyl) -propane or 1, 5-diamino-2
- Preferred as polyamide matrix polymers are suitable Polyhexamethylenadipinklamid, Polyhexamethylensebacin Textreamid and polycaprolactam and copolyamide 6/66, in particular in a proportion of 5 to 95 wt .-% of caprolactam units.
- PAM polyamides which are obtainable by copolymerization of two or more of the monomers mentioned above and below, or mixtures of several polyamides, the mixing ratio being arbitrary. Particular preference is given to mixtures of polyamide 66 with other polyamides, in particular copolyamide 6/66. Furthermore, partially aromatic copolyamides, such as PA 6 / 6T and PA 66 / 6T, have proven to be particularly advantageous as PAMs whose triamine content is less than 0.5%, preferably less than 0.3% by weight.
- PA 46 tetramethylenediamine, adipic acid
- PA 66 hexamethylenediamine, adipic acid
- PA 69 hexamethylene diamine, azelaic acid
- PA 610 hexamethylenediamine, sebacic acid
- PA 612 hexamethylenediamine, decanedicarboxylic acid
- PA 613 hexamethylenediamine, undecanedicarboxylic acid
- PA 1212 1, 12-dodecanediamine, decanedicarboxylic acid
- PA 1313 1, 13-diaminotridecane, undecanedicarboxylic acid
- PA 6T hexamethylenediamine, terephthalic acid
- PA MXD6 m-xylyenediamine, adipic acid
- PA 6I hexamethylenediamine, isophthalic acid
- PA 6-3-T trimethylhexamethylenediamine, terephthalic acid
- PA 6 / 6T (see PA 6 and PA 6T)
- PA 6/66 (see PA 6 and PA 66)
- PA 6/12 see PA 6 and PA 12
- PA 66/6/610 see PA 66, PA 6 and PA 610)
- PA 6I / 6T see PA 61 and PA 6T
- PA PA PACM 12 diaminodicyclohexylmethane, laurolactam
- PA 6I / 6T / PACM such as PA 6I / 6T + diaminodicyclohexylmethane
- PA 12 / MACMI laurolactam dimethyldiaminodicyclohexylmethane, isophthalic acid
- PA 12 / MACMT laurolactam dimethyldiaminodicyclohexylmethane, terephthalic acid
- the subject of the present invention is therefore also a composite plastic part (CK) in which the polyamide matrix polymer (PAM) is at least one polyamide from the group consisting of PA 4, PA 6, PA 7, PA 8, PA 9, PA 1 1, PA 12, PA 46, PA 66, PA 69, PA 610, PA 612, PA 613, PA 1212, PA1313, PA 6T, PA MXD6, PA 61, PA 6-3-T, PA 6/6 T, PA 6/66, PA 6/12, PA 66/6/610, PA 6I / 6T, PA PACM 12, PA 6I / 6T / PACM, PA 12 / MACMI, PA 12 / MACMT, PA PDA-T and copolyamides of two or more of the aforementioned polyamides.
- PAM polyamide matrix polymer
- the polyamide matrix polymer (PAM) is a polyamide selected from the group consisting of PA6, PA66 and copolyamides of PA6 and PA66.
- the polyamide matrix polymer (PAM) is PA6.
- the polyamide matrix polymer (PAM) is PA66. In another preferred embodiment, the polyamide matrix polymer (PAM) is PA6 / 66.
- the PAM may further contain other conventional additives such as impact modifiers, lubricants, UV stabilizers and process stabilizers.
- suitable materials for the first fiber material (F1) are carbon fibers, glass fibers, aramid fibers, potassium titanate fibers, boron fibers, mineral fibers (such as basalt fibers) and metallic fibers (such as steel fibers or copper fibers).
- the present invention thus also relates to a composite plastic part (CK) in which the first fiber material (F1) is an endless fiber material.
- the present invention also provides a process for producing a composite plastic part (CK) in which the first fiber material (F1) is an endless fiber material.
- continuous fiber material and “continuous fiber” are used synonymously below.
- an endless fiber is understood to mean a linear structure according to DIN 60 000 of practically unlimited length, which can be processed textile.
- An endless fiber is also called a filament.
- the term filament is used in textile technology. Under filament (endless fiber) is therefore one on Chemical or technical way generated, practically endless, fiber according to DIN 60 001 T 2 (December 1974) understood.
- first fiber material (F1) continuous glass fibers are preferred.
- the continuous fibers can be used in the form of a knitted fabric, a knitted fabric or a fabric. It is also possible to use uni-directional continuous fibers. Such monofilament continuous fibers are also referred to as monofilaments.
- uni-directional continuous fibers a multiplicity of endless glass fibers used in parallel are used.
- unidirectional layers of continuous fibers aligned parallel to one another are preferably used.
- the first fiber material (F1) has an elementary unidirectional layer (UD layer). Above and / or below the elemental UD layer, a further UD layer is arranged, in which the direction of the endless fibers is rotated by, for example, 90 ° to the fiber direction of the elemental UD layer.
- the first fiber material (F1) contains several layers (for example three, four, five or six layers) in which the directions of the fibers of the respective layers are each rotated by 90 °, for example.
- the angle at which the individual unidirectional layers are twisted relative to one another in the case of bi- or more-directional layers can vary within wide ranges, for example in the range of ⁇ 10 ° to ⁇ 90 °.
- the continuous fibers can each be used individually. It is also possible to individually interweave the continuous fibers or to interweave individual endless fiber bundles.
- the continuous fibers can also be used in the form of a fleece or a felt. Suitable continuous fiber materials are known to the person skilled in the art. Particularly preferred continuous fiber materials are glass fibers and carbon fibers. Particularly preferred are continuous glass fibers and continuous carbon fibers having a fiber diameter in the range of 9 to 34 ⁇ .
- the matrix composition (MZ) may contain other conventional additives besides the polyamide matrix polymer (PAM) and the first fiber material (F1). Suitable additives are, for example, UV stabilizers, lubricants, nucleating agents, dyes, plasticizers. Suitable further additives are described, for example, in WO 2010/076145. Also, the surface composition (OZ) and the second plastic component (K2) may contain other conventional additives, as described for example in WO 2010/076145.
- the further additives are generally present in amounts of from 0 to 5% by weight, based on the total weight of the polyamide matrix material (PAM) in the matrix composition (MZ), or based on the total weight of the polyamide surface polymer (PAO) in the surface composition (OZ ) or based on the total weight of the polyamide molding polymer (PAA) of the second plastic component (K2).
- the matrix composition (MZ) may also contain a polyethyleneimine (PEI).
- the present invention thus also relates to a composite plastic part (CK) which contains a polyethyleneimine (PEI) in the matrix composition (MZ).
- the present invention furthermore relates to a composite plastic part (CK) which contains a polyethyleneimine (PEI) in the surface composition (OZ), in the matrix composition (MZ) and in the second plastic component (K2).
- the present invention also provides a process for producing a composite plastic part (CK) in which the matrix composition (MZ) comprises a polyethyleneimine (PEI).
- MZ matrix composition
- PEI polyethyleneimine
- the present invention also provides a process for producing a composite plastic part (CK) in which OZ, MZ and K2 contain polyethyleneimine (PEI).
- CK composite plastic part
- OZ, MZ and K2 contain polyethyleneimine (PEI).
- OZ, MZ and K2 contain the same polyethylenimine (PEI).
- the matrix composition (MZ) generally contains
- PAM polyamide matrix polymer
- PEI polyethyleneimine
- the matrix composition (MZ) contains no polyethyleneimine (PEI).
- the present invention thus also relates to a composite plastic part (CK) in which the matrix composition (MZ) contains no polyethyleneimine (PEI).
- the present invention also provides a process for producing a composite plastic part (CK) in which the matrix composition (MZ) contains no polyethyleneimine (PEI).
- the manufacturing cost of the composite plastic part (CK) can be reduced.
- the term "no polyethylenimine (PEI) contains” is understood according to the invention that no polyethylenimine (PEI) is added to the matrix composition (MZ)
- the matrix composition (MZ) may contain small amounts of polyethylenimine (PEI), which may be used during the manufacturing process of the
- the matrix composition (MZ) contains at most 5% by weight, preferably at most 1% by weight, and more preferably not more than 0.1% by weight, of the total amount of polyethyleneimine (PEI) contained in the composite plastic part (CK).
- the surface composition (OZ) contains a polyamide surface polymer (PAO) and forms a surface of the first plastic component (K1).
- PAO polyamide surface polymer
- K1 first plastic component
- a surface is understood to mean both exactly one surface and two or more surfaces.
- PAO polyamide surface polymer
- the surface composition (OZ) can locally form the surface of the first plastic component (K1) at a predetermined position. It is also possible that the surface composition (OZ) completely encloses the matrix composition (MZ). For the preferred case of a composite composite plastic part (CK), the surface composition (OZ) may form a surface on top of the matrix composition (MZ) and / or on the bottom of the matrix composition (MZ).
- the surface composition (OZ) forms a surface only on the top side or only on the underside of the matrix composition (MZ)
- the surface composition (OZ) forms 10% to 50% of the total surface area of the first plastic component (K1), preferably 30 to 50% and more preferably 40 to 50% of the total surface area of the first plastic component (K1).
- the surface composition (OZ) forms greater than 50% to 100% of the total surface area of the first plastic component (K1), preferably 80 to 100%. and more preferably 90 to 100% of the total surface area of the first plastic component (K1).
- polyamide surface polymer there can be used polyamides as described above for the polyamide matrix polymer (PAM).
- PAM polyamide matrix polymer
- the polyamide surface polymer (PAO) generally contains no fiber material (F1).
- the polyamide surface polymer (PAO) may optionally contain further additives as described above for the polyamide matrix polymer (PAM).
- the surface composition (OZ) contains no fiber material (MZ).
- the surface composition (OZ) as the polyamide surface polymer (PAO) contains the same polyamide polymer as the polyamide matrix polymer (PAM).
- PAM polyamide matrix polymer
- PAO polyamide surface polymer
- PAO polyamide surface polymer
- PAM polyamide matrix polymer
- the first fiber material (F1) is used to produce the first plastic component (K1).
- the first plastic component (K1) is used to produce the first plastic component (K1).
- PAM polyamide matrix polymer
- the polyamide matrix polymer (PAM) is brought into contact, for example in the form of a melt, with the first fiber material (F1).
- Another possibility for the production of the first plastic component (K1) is the powder preimpregnation or lamination of the first fiber material (F1) with films of the polyamide matrix polymer (PAM) and subsequent melting and compression of the film (s) or applied powder to form the first plastic component (K1 ).
- the various methods for producing the first plastic component (K1) are known in principle to the person skilled in the art and are described, for example, in R. Stolze, Kunststoffe 78, 1988, pages 126 to 131 and in M. Wacker, G.W. Ehrenstein, C. Obermann, Kunststoffe 92, 2002, pages 78 to 81 described.
- the plastic component (K1) has a layered structure. This structure is also called a sandwich structure. In the case of a sandwich structure, the plastic component (K1) has a multiplicity of layers of the first fiber material (F1). In the present case, a multiplicity is generally understood to mean 2 to 20 layers of the first fiber material (F1). Formally between each two adjacent layers of the first fiber material (F1) is at least one polymer layer in the sandwich structure. These polymer layers may be formed from the polyamide matrix polymer (PAM) or from the polyamide surface polymer (PAO). For this embodiment, the general conventions and preferences with respect to K1, F1, PAM and PAO apply accordingly. In the case of a sandwich structure, this may contain 1 to 20, preferably 2 to 10 and more preferably 2 to 6 layers of the first fiber material (F1).
- PAM polyamide matrix polymer
- PAO polyamide surface polymer
- sandwich structure is known per se to the person skilled in the art and can be accomplished, for example, by lamination.
- the production is described below using the example of a sandwich structure comprising two layers of the first fiber material (F1).
- F1 first fiber material
- the materials are brought together in the order listed below and then combined, preferably under pressure and heating:
- a film of PAO, a layer of F1, a film of PAM, a layer of F1 and a film of PAO is a film of PAO, a layer of F1, a film of PAM, a layer of F1 and a film of PAO.
- the joining can be done for example under heating and pressure.
- the abovementioned materials can be supplied, for example, to a heatable roller press in which the joining takes place.
- the polyamide matrix polymer (PAM) used as the middle layer melts.
- the adjacent layers of the first fibrous material (F1) are impregnated by the polyamide matrix polymer (PAM).
- the matrix composition (MZ) forms from the polyamide matrix polymer (PAM) film and the two layers of the first fiber material (F1).
- the sandwich structure obtained as the first plastic component (K1) thus has formally the following layer structure: PAO, F1, PAM, F1 and PAO.
- F1, PAM and F1 formally form the matrix composition (MZ).
- the matrix composition thus consists of fiber material (F1) impregnated on both sides with the polyamide matrix polymer (PAM) in between.
- the two mats of first fiber material (F1) in the first plastic component (K1) may touch.
- the polyethyleneimine (PEI) is generally added to the polyamide matrix polymer (PAM) and / or the polyamide surface polymer (PAO).
- POM polyamide matrix polymer
- PAO polyamide surface polymer
- conventional mixing devices such as extruders, are used.
- PEI polyethylenimine
- PAM polyamide matrix polymer
- PAO polyamide surface polymer
- the second plastic component (K2) contains a polyethyleneimine (PEI)
- a polyethyleneimine (PEI) need not necessarily be included.
- the composite plastic part (CK) generally contains from 0.01 to 5% by weight of a polyethyleneimine (PEI), based on the total weight of the composite plastic part (CK).
- the composite plastic part (CK) preferably contains 0.1 to 1% by weight of polyethyleneimine (PEI), based on the total weight of the composite plastic part (CK).
- the present invention thus also relates to a composite plastic part (CK) in which the composite plastic part (CK) contains 0.01 to 5% by weight of polyethyleneimine (PEI), based on the total weight of the composite plastic part (CK).
- PEI polyethyleneimine
- the present invention thus also provides a process for producing a composite plastic part (CK) in which the composite plastic part (CK) contains from 0.01 to 5% by weight of polyethyleneimine (PEI), based on the total weight of the composite plastic part (CK).
- polyethyleneimines (PEI) are understood as meaning both homopolymers and copolymers which are obtainable, for example, by the processes in Ullmann (Electronic Release) under the heading "aziridines" or according to WO-A 94/12560.
- the homopolymers are generally obtainable by polymerization of ethyleneimine (aziridine) in aqueous or organic solution in the presence of acid-releasing compounds, acids or Lewis acids.
- Such homopolymers are branched polymers, which usually contain primary, secondary and tertiary amino groups in the ratio of about 30% to 40% to 30%.
- the distribution of the amino groups can generally be determined by means of 13 C-NMR spectroscopy. This is preferably 1: 0, 8: 0.5 to 1: 1, 3: 8, in particular 1: 1, 1: 0.8 to 1: 1.
- the present invention thus also relates to a composite plastic part (CK) in which the polyethyleneimine (PEI) contains primary, secondary and tertiary amino groups, wherein the ratio of primary to secondary to tertiary amino groups in the range of 1: 0.8: 0.5 to 1: 1, 3: 0.8.
- PEI polyethyleneimine
- the present invention thus also provides a process for producing a composite plastic part (CK) in which the polyethyleneimine (PEI) contains primary, secondary and tertiary amino groups, wherein the ratio of primary to secondary to tertiary amino groups in the range of 1: 0.8 : 0.5 to 1: 1, 3: 0.8.
- Comonomers used are preferably compounds which have at least two amino functions. Examples of suitable comonomers are alkylenediamines having 2 to 10 C atoms in the alkylene radical, with ethylenediamine and propylenediamine being preferred.
- Suitable comonomers are diethylenetriamine, triethylenetetramine, tetraethylenepentamine, dipropylenetriamine, tripropylenetriamine, diehexamethylenetriamine, aminopropylethylenediamine and bisaminopropylethylenediamine.
- Polyethyleneimines usually have a weight-average molecular weight (weight average) Mw of 600 to 3,000,000, preferably 700 to 2,000,000.
- the preferred M w is from 800 to 50,000, especially from 1 100 to 25 000.
- the weight average molecular weight M w is determined by light scattering according to ASTM D4001.
- the present invention thus also relates to a composite plastic part (CK) in which the polyethyleneimine (PEI) has a weight-average molecular weight M w in the range from 600 to 300,000 g / mol.
- the present invention thus also provides a process for producing a composite plastic part (CK) in which the polyethyleneimine (PEI) has a weight-average molecular weight M w in the range from 600 to 300,000 g / mol.
- crosslinked polyethyleneimines (PEI) which are obtainable by reaction of polyethyleneimines (PEI) with bifunctional or polyfunctional crosslinkers having as functional group at least one halohydrin, glycidyl, aziridine, isocyanate unit or a halogen atom are suitable.
- PEI crosslinked polyethyleneimines
- EP-A 895 521 and EP-A 25 515 Processes for the preparation of crosslinked polyethyleneimines (PEI) are known inter alia from the abovementioned publications and EP-A 895 521 and EP-A 25 515.
- grafted polyethyleneimines (PEI) are suitable, wherein all compounds which can react with the amino or imino groups of the polyethyleneimines (PEI) can be used as the grafting agent.
- Suitable grafting agents and processes for the preparation of grafted polyethyleneimines (PEI) can be found, for example, in EP-A 675 914.
- suitable polyethyleneimines (PEI) in the context of the invention are amidated polymers which are usually obtainable by reaction of polyethyleneimines (PEI) with carboxylic acids, their esters or anhydrides, carboxylic acid amides or carboxylic acid halides.
- the amidated polymers can be subsequently crosslinked with said crosslinkers.
- alkoxylated polyethyleneimines (PEI) which are obtainable, for example, by reacting polyethyleneimine (PEI) with ethylene oxide and / or propylene oxide. Such alkoxylated polymers are also crosslinkable.
- PEI polyethyleneimines
- PEI polyethyleneimines
- Methods for preparing such polyethyleneimines (PEI) are known to those skilled in the art.
- PEI polyethyleneimines
- hyperbranched polyethyleneimines PEI
- DB degree of branching of polyethyleneimine (PEI) is in the range of 10 to 99%, preferably in the range of 50 to 99%, and more preferably in the range of 60 to 99%.
- PEI polyethyleneimine
- PEI polyethylenimine
- the second plastic component (K2) contains a polyamide molding polymer (PAA).
- PAA polyamide molding polymer
- PAA polyamide molding polymer
- PAA polyamide molding polymer
- PAM polyamide matrix polymer
- PAA polyamide molding polymer
- Polyamide matrix polymer (PAM) can be used. It is also possible for that
- PAA Polyamidanformungspolymer
- PAM polyamide matrix polymer
- PAA polyamide-forming polymer
- PAA may contain other conventional additives as described above in PAO and PAM.
- the polyamide-forming polymer may also contain a polyethyleneimine (PEI).
- PEI polyethyleneimine
- the second plastic component K2 must necessarily contain a polyethyleneimine (PEI).
- Both OZ and K2 preferably contain a polyethyleneimine (PEI).
- the present invention thus also relates to a composite plastic part (CK) in which OZ and K2 contain polyethyleneimine (PEI).
- the present invention thus also provides a process for producing a composite plastic part (CK) in which OZ and K2 contain polyethyleneimine (PEI).
- CK composite plastic part
- PEI polyethyleneimine
- K2 may contain the same polyethylenimine (PEI) as the OZ. It is also possible that K2 contains a polyethylenimine (PEI) other than OZ.
- PEI polyethylenimine
- the formulations and preferences for the polyethyleneimine (PEI) as made above for surface composition (OZ) apply accordingly.
- the polyethyleneimine (PEI) is preferably also blended in the polyamide-forming polymer (PAA).
- PAA polyamide-forming polymer
- known mixing devices such as extruders, can be used.
- the second plastic component (K2) also contains a fiber material for reinforcement.
- the present invention thus also relates to a composite plastic part (CK) in which K2 contains a second fiber material (F2).
- the present invention thus also provides a process for producing a composite plastic part (CK), in which K2 contains a second fiber material (F2).
- this second fiber material is carbon fibers, glass fibers, aramid fibers, potassium titanate fibers, boron fibers, mineral fibers (such as basalt fibers) and metallic fibers (such as steel or copper fibers).
- Endless fibers are not suitable as second fiber material (F2).
- second fiber material (F2) glass fibers (short glass fibers) are preferred. These glass fibers can be mixed with an extruder into a polyamide melt, for example.
- the subject matter of the present invention is thus also a composite plastic part (CK) in which the second fiber material (F2) is a short fiber material.
- the present invention thus also provides a process for producing a composite plastic part (CK), in which the second fiber material (F2) is a short fiber material.
- the second fiber material (F2) used are preferably fibers which can be mixed into the polyamide molding polymer (PAA) by means of suitable mixing devices.
- the second plastic component (K2) may optionally contain further additives.
- the additives mentioned above for MZ or OZ can be used.
- the first plastic component (K1) is generally placed in a mold. In this case, it is possible, for example, to preform the first plastic component (K1) in a preceding step in a first tool and to subsequently insert the preform thus produced into the molding tool. This is possible in particular when the first plastic component (K1) is a flat plastic element.
- first plastic component (K1) it is also possible to reshape the first plastic component (K1) directly in the mold. However, it is preferred to preform the first plastic component (K1) in a first tool and to subsequently insert the preform into the mold.
- first plastic component (K1) prior to insertion into the mold or, alternatively, to heat the first plastic component (K1) in the mold.
- the mold has a temperature in the range of 40 to 210 ° C, in particular in the range of 80 to 120 ° C, on.
- the first plastic component (K1) is preferably heated to a temperature of 30 to 190 ° C, in particular in the range of 120 to 170 ° C prior to insertion into the mold.
- the second plastic component (K2) is introduced into the mold.
- the second plastic component (K2) is integrally formed on the surface of the first plastic component (K1).
- This molding is also referred to as "overmolding.”
- molding means the partial molding of the second plastic component (K2) onto parts of the first plastic component (K1). K2) understood.
- the second plastic component (K2) can be formed either locally at predetermined positions on the first plastic component (K1). Moreover, it is also possible to completely or partially enclose the first plastic component (K1) with the second plastic component (K2).
- the second plastic component (K2) For molding, the second plastic component (K2), according to methods known in the art, usually melted and injected into the mold.
- PEI polyethyleneimine
- improved adhesion is achieved between the first plastic component (K1) and the second plastic component (K2) in the composite plastic part (CK).
- the present invention thus also provides a process for producing a composite plastic part (CK), in which K1 is introduced into a mold in step a) and K2 is injected into the mold in a molten state in step b).
- CK composite plastic part
- the composite plastic part (CK) produced in this way can subsequently be subjected to further processing steps. This includes, for example, further forming steps and surface treatments of the composite plastic part (CK) in order to refine its surface.
- the temperature at the surface of the first plastic component (K1) is above the melting temperature of the polyamide surface polymer (PAO).
- the first plastic component (K1) is usually heated.
- the heating of the first plastic component (K1) can be carried out as described above, directly in the mold.
- the first plastic component (K1) can also be heated outside the mold.
- the pressure with which the second plastic component (K2) is introduced into the mold depends on the flow direction of the melt of the second plastic component (K2). For this are known in the art per se known methods for injection molding and extruding and adhered to the usual pressures there.
- polyamides (PA6) with relative viscosities (RV) of 2.1 to 2.9 are used.
- Lupasol WF from BASF SE is compounded into these polyamides by means of an extruder.
- Lupasol WF is a polyethylenimine with the CAS No .: 9002-98-6 with a molar mass of about 25 000 g / mol.
- the amounts of Lupasol WF used are given in the following tables.
- the relative viscosity was measured according to ISO307.
- the Lupasol WF amounts are given in percent by weight, based on the total weight of the polyamide used of the matrix composition (MZ) or the surface composition (OZ), each without fiber material.
- the obtained polyamide matrix polymer (PAM) was ground to a fine powder by milling. This powder was subsequently applied to a woven continuous fiber mat (first fiber material (F1)) and melted.
- the obtained polyamide surface polymer (PAO) was ground to a fine powder by grinding.
- another woven endless fiber mat On the woven continuous fiber mat, on which the polyamide matrix polymer (PAM) has been melted, another woven endless fiber mat (first fiber material (F1)) was applied.
- the polyamide surface polymer (PAO) powder was subsequently applied to the further woven continuous fiber mat and melted. Subsequently, the woven continuous fiber mats were treated under pressure and at a temperature higher than the melting temperature of the polyamide matrix polymer (PAM) and the polyamide surface polymer (PAO) to prepare the first plastic component (K1).
- the composition of the matrix composition (MZ) and the surface composition (OZ) of the first plastic part are given in Table 1 below.
- a second plastic component (K2) was subsequently formed.
- a polyamide (PA6) was used as the polyamide molding polymer (PAA).
- the polyamides used had relative viscosities (RV) of 2.1 to 2.9.
- the second plastic component (K2) was added via an extruder Lupasol WF.
- the amounts of Lupasol WF used are shown in Table 2.
- the weight data shown there indicate the percentages by weight, based on the total weight of the polyamide molding polymer (PAA) used.
- the first plastic component (K1) was placed in a mold and heated.
- the second plastic component (K2) was subsequently melted and injected into the mold.
- plastic component (K1) a sample body having a surface area of 4 by 5 cm was used. On this surface, a plastic component (K2) was formed, which was 4 cm long and 0.4 cm wide. The adhesion surface between K1 and K2 was thus 4 times 0.4 cm.
- composition of the second plastic component (K2) is given in Table 2.
- Example 1 a) and Example 3a) are comparative examples, since in this composite plastic part (CK) neither the surface composition (OZ) nor the second plastic component (K2) contains a polyethyleneimine (Lupasol WF).
- the surface composition (OZ) contains no Lupasol WF.
- the second plastic component (K2) contains Lupasol WF.
- both OZ and K2 contain Lupasol WF.
- OZ and K2 also contain Lupasol WF.
- the adhesion between the plastic components was determined by measuring the tensile strength (MPa). The tensile strength was measured by a tensile test, measuring the force necessary to separate the plastic components (K1) and (K2) of the composite plastic part (CK). For this purpose, the force was increased at a speed of 5mm per minute.
- the examples show that the adhesion between the first plastic component (K1) and the second plastic component (K2) is markedly improved by the use of a polyethyleneimine (PEI) if the surface composition (OZ) of the first plastic component (K1) and / or the second Plastic component (K2) contains a polyethyleneimine (PEI).
- PEI polyethyleneimine
- PA6 relative viscosity
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
Description
Claims
Priority Applications (5)
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CN201480057716.3A CN105705557B (zh) | 2013-08-21 | 2014-08-18 | 复合塑料部件中所包含的塑料组件之间的粘合力得到提高的复合塑料部件 |
JP2016535452A JP6169280B2 (ja) | 2013-08-21 | 2014-08-18 | 部材に含まれるプラスチック構成部分間の付着が改善された複合プラスチック部材 |
KR1020167007258A KR102330567B1 (ko) | 2013-08-21 | 2014-08-18 | 복합 플라스틱 부품에 함유된 플라스틱 성분들 간의 접착이 개선된 복합 플라스틱 부품 |
EP14752860.8A EP3036275B1 (de) | 2013-08-21 | 2014-08-18 | Compositkunststoffteil mit verbesserter adhäsion zwischen den enthaltenen kunststoffkomponenten |
US14/913,119 US10202498B2 (en) | 2013-08-21 | 2014-08-18 | Composite plastic part with improved adhesion between the plastic components contained in the composite plastic part |
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EP13181150.7 | 2013-08-21 |
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EP (1) | EP3036275B1 (de) |
JP (1) | JP6169280B2 (de) |
KR (1) | KR102330567B1 (de) |
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WO2018002236A1 (de) * | 2016-06-29 | 2018-01-04 | Plan B Engineering Solutions Gmbh | Verfahren zur herstellung eines bauelements und bauelement |
EP3670576A1 (de) | 2018-12-19 | 2020-06-24 | EMS-Patent AG | Polyamid-formmassen für glasverbunde |
EP3827981A1 (de) | 2019-10-30 | 2021-06-02 | Ems-Chemie Ag | Werkstoff-verbunde |
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KR102512113B1 (ko) * | 2017-10-30 | 2023-03-20 | 주식회사 쿠라레 | 방수 부품 및 그것을 구비한 전자 기기, 인서트 성형체의 방수 방법 그리고 전자 기기의 방수 방법 |
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2014
- 2014-08-18 JP JP2016535452A patent/JP6169280B2/ja not_active Expired - Fee Related
- 2014-08-18 WO PCT/EP2014/067588 patent/WO2015024912A1/de active Application Filing
- 2014-08-18 CN CN201480057716.3A patent/CN105705557B/zh not_active Expired - Fee Related
- 2014-08-18 KR KR1020167007258A patent/KR102330567B1/ko active IP Right Grant
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DE102010062538A1 (de) * | 2009-12-17 | 2011-06-22 | Basf Se, 67063 | Verfahren zur Herstellung geschweisster Formkörper aus Polyamid-6.10 |
WO2012058345A1 (en) * | 2010-10-29 | 2012-05-03 | E. I. Du Pont De Nemours And Company | Overmolded polyamide composite structures and processes for their preparation |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018002236A1 (de) * | 2016-06-29 | 2018-01-04 | Plan B Engineering Solutions Gmbh | Verfahren zur herstellung eines bauelements und bauelement |
EP3670576A1 (de) | 2018-12-19 | 2020-06-24 | EMS-Patent AG | Polyamid-formmassen für glasverbunde |
EP3670577A1 (de) | 2018-12-19 | 2020-06-24 | EMS-Patent AG | Polyamid-formmassen für glasverbunde |
US11807718B2 (en) | 2018-12-19 | 2023-11-07 | Ems-Patent Ag | Polyamide moulding compositions for glass composites |
EP3827981A1 (de) | 2019-10-30 | 2021-06-02 | Ems-Chemie Ag | Werkstoff-verbunde |
US11945143B2 (en) | 2019-10-30 | 2024-04-02 | Ems-Chemie Ag | Material composites |
Also Published As
Publication number | Publication date |
---|---|
EP3036275A1 (de) | 2016-06-29 |
KR20160045808A (ko) | 2016-04-27 |
CN105705557B (zh) | 2019-01-04 |
EP3036275B1 (de) | 2018-03-07 |
JP2016528080A (ja) | 2016-09-15 |
US10202498B2 (en) | 2019-02-12 |
US20160200883A1 (en) | 2016-07-14 |
KR102330567B1 (ko) | 2021-11-25 |
JP6169280B2 (ja) | 2017-07-26 |
CN105705557A (zh) | 2016-06-22 |
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