Classifications

• • 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
• • 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
  • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
  • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
  • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
  • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
  • B29C65/4835—Heat curing adhesives
• • 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
  • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
  • B29C65/82—Testing the joint
  • B29C65/8207—Testing the joint by mechanical methods
  • B29C65/8215—Tensile tests
• • 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
  • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
  • B29C65/82—Testing the joint
  • B29C65/8253—Testing the joint by the use of waves or particle radiation, e.g. visual examination, scanning electron microscopy, or X-rays
• • 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/01—General aspects dealing with the joint area or with the area to be joined
  • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
  • B29C66/028—Non-mechanical surface pre-treatments, i.e. by flame treatment, electric discharge treatment, plasma treatment, wave energy or particle radiation
• • 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
  • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
  • B29C66/43—Joining a relatively small portion of the surface of said articles
• • 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
  • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
• • 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
  • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
  • B29C66/721—Fibre-reinforced materials
  • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
• • 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
  • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
  • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
  • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
• • 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
  • B29C66/74—Joining plastics material to non-plastics material
  • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
• • 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
  • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
  • B29C70/003—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised by the matrix material, e.g. material composition or physical properties
• • 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
  • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
  • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
  • B29C70/06—Fibrous reinforcements only
  • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
  • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
  • B29C70/20—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres
  • B29C70/202—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres arranged in parallel planes or structures of fibres crossing at substantial angles, e.g. cross-moulding compound [XMC]
• • 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
  • C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
  • C08J5/042—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with carbon fibres
• • 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
  • C08J5/124—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives using adhesives based on a macromolecular component
• • 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
  • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
  • C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
  • C08J5/243—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using carbon fibres
• • 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
  • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
  • C08J7/12—Chemical modification
  • C08J7/123—Treatment by wave energy or particle radiation
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
  • C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
  • C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
• • 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
  • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
  • C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
• • 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
  • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
  • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
  • B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
  • B29C2043/185—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles using adhesives
• • 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
  • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
  • B29C66/721—Fibre-reinforced materials
  • B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
  • B29C66/72141—Fibres of continuous length
• • 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
  • B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
• • 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
  • B29K2071/00—Use of polyethers, e.g. PEEK, i.e. polyether-etherketone or PEK, i.e. polyetherketone or derivatives thereof, as moulding material
• • 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
  • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
• • 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
• • 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
  • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
  • B29K2101/12—Thermoplastic materials
• • 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
  • B29K2307/00—Use of elements other than metals as reinforcement
  • B29K2307/04—Carbon
• • 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
  • C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
  • C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
  • C08G2650/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing oxygen in addition to the ether group
  • C08G2650/40—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing oxygen in addition to the ether group containing ketone groups, e.g. polyarylethylketones, PEEK or PEK
• • 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
  • C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
• • 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
  • C08J2365/00—Characterised by the use of macromolecular compounds obtained by reactions forming a carbon-to-carbon 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
  • C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether 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
  • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
  • C08J2375/04—Polyurethanes
• • 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
  • C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether 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
  • 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
  • C08J2479/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
  • C08J2479/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors

Definitions

• the present invention relates to a fiber reinforced composite material.
• the present application claims priority based on Japanese Patent Application No. 2020-052238 filed in Japan on March 24, 2020, the contents of which are incorporated herein by reference.
• Polyetheretherketone resins (hereinafter, also referred to as "PEEK” resins) and other polyarylketone resins are excellent in heat resistance, flame retardancy, hydrolysis resistance, chemical resistance, etc., and therefore are aircraft parts. , It is widely used mainly for electrical and electronic parts. However, since the raw material price of the polyarylketone resin is very high and the glass transition temperature of the resin itself is relatively low, about 140 to 170 ° C., various studies have been conducted to improve the heat resistance.
• Patent Document 1 A fiber-reinforced composite material having improved interfacial adhesion with the resin has been proposed.
• Polyarylketone resins have excellent chemical resistance, but on the other hand, they have a large contact angle with water and have low affinity with various adhesives. Therefore, it is difficult to bond a fiber-reinforced composite material using a polyarylketone resin as a matrix resin to an adherend such as a fiber-reinforced composite material, a resin material, and a metal material, and various bonding studies have been conducted. rice field.
• a method has been proposed in which the contact angle is reduced and the adhesive strength is greatly improved by applying plasma treatment to the joined parts (Patent Document 2). In the technique described in Patent Document 2, joining is realized by heating and pressurizing materials having greatly reduced contact angles to a specific temperature.
• the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a fiber-reinforced composite material suitable for local bonding.
• G1c is preferably at 1.0 kJ / m 2 or more 3.0kJ / m 2 or less, more preferably 1.2kJ / m 2 or more 3.0kJ / m 2 or less
• G2c is preferably 1.0 kJ / m 2 or more 3.0kJ / m 2 or less, and more preferably 1.2kJ / m 2 or more 3.0kJ / m 2 or less, any of [1] to [11]
• the reinforcing fiber is a reinforcing fiber base material in which the fibers are aligned in one direction, and the thickness of the reinforcing fiber base material is preferably 0.04 to 0.70 mm, preferably 0.07 to 0.70 mm.
• the fiber-reinforced composite material according to any one of [1] to [13], more preferably 0.40 mm.
• the volume content (Vf) of the reinforcing fibers is preferably 20 to 75%, more preferably 40 to 65%, based on the volume of the fiber reinforced composite material, [1] to [ 14] The fiber-reinforced composite material according to any one of the items.
• the volume content (Vr) of the matrix resin is preferably 25 to 80%, more preferably 35 to 60%, based on the volume of the fiber-reinforced composite material, [1] to [ 15] The fiber-reinforced composite material according to any one of the items.
• the mass ratio represented by [the polyarylketone resin / the resin having the nitrogen atom in the repeating structural unit] is preferably 4 or more and 32 or less, and more preferably 4 or more and 30 or less. , The fiber-reinforced composite material according to any one of [1] to [16].
• the polyaryl ketone resin melt volume rate measured according to ISO 1133 (MVR; set temperature: 380 ° C., load: 5 kg) is preferably from 1 ⁇ 80cm 3/10 minutes, 10 ⁇ 50 cm and more preferably 3/10 min, [1] to fiber-reinforced composite material according to any one of [17].
• R 1 to R 3 independently represent a halogen atom, an alkyl group, or an alkoxy group, and m, n, and o each independently represent an integer of 0 to 4.
• the ratio of the structural unit represented by the formula (1) to the polyetheretherketone resin (100% by mass) is preferably 70% by mass to 100% by mass, preferably 80% by mass to 100%.
• the resin having the nitrogen atom in the repeating structural unit is a polyetherimide resin, and the melt volume rate (MVR; set temperature: 360 ° C., load: 5 kg) measured according to ISO1133 of the polyetherimide resin. ) is preferably a 5-50 cm 3/10 min, [1] to fiber-reinforced composite material according to any one of [20].
• MVR melt volume rate
• Y represents a divalent group having an —O— or ether bond
• Z represents an arylene group which may have a substituent.
• a method for producing a fiber-reinforced composite material containing a polyarylketone resin, a polyetherimide resin, and reinforcing fibers which comprises plasma-treating the surface of the fiber-reinforced composite material.
• Method. [35] The method for producing a fiber-reinforced composite material according to [34], wherein in the plasma treatment, plasma is irradiated so that the contact angle of at least a part of the surface of the fiber-reinforced composite material with water is 60 ° or less. .. [36] The method for producing a fiber-reinforced composite material according to [34] or [35], wherein the fiber-reinforced composite material is the fiber-reinforced composite material according to any one of [1] to [24].
• a fiber-reinforced composite material having surface properties suitable for joining. Further, in particular, it is possible to provide a fiber-reinforced composite material, a resin material, and a fiber-reinforced composite material having excellent adhesiveness to an adherend of a metal material, and a strongly bonded joint body.
• the fiber-reinforced composite material contains a matrix resin and a reinforcing fiber.
• the matrix resin includes a polyarylketone resin and a resin having a nitrogen atom in a repeating structural unit.
• the fiber reinforced composite material may be a prepreg or a molded product.
• the portion (A) on the surface of the fiber-reinforced composite material having a contact angle with water of 60 ° or less is included.
• the portion (A) having a contact angle of 60 ° or less is 60 ° when water is dropped on the surface of the fiber-reinforced composite material and the contact angle is measured by the ⁇ / 2 method using a contact angle meter according to JIS R3257.
• the portion (A) is preferably arranged at a portion that adheres to the adherend.
• the portion (A) can be formed by surface treatment such as a method of irradiating a fiber-reinforced composite material containing a polyarylketone resin and a resin having a nitrogen atom in a repeating structural unit with plasma or a method of irradiating a corona discharge. It is considered that functional groups such as hydroxyl groups are present on the surface of the portion (A) of the fiber-reinforced composite material due to the change in the molecular structure of the matrix resin.
• the adherend and the portion (A) are attached to each other by using an adhesive or the like.
• the contact angle is preferably 50 ° or less, more preferably 35 ° or less, and more preferably 25 °, from the viewpoint that the adhesive can sufficiently adhere to the adherend and the interfacial fracture between the adhesive and the adherend can be suppressed. The following is more preferable.
• the contact angle of the portion (A) with respect to diiodomethane is preferably 60 ° or less, more preferably 50 ° or less, because the bonding strength when the adhesive is used is improved.
• the CAI strength of the fiber-reinforced composite material is preferably 300 MPa or more, preferably 330 MPa or more, from the viewpoint of impact resistance when used as a structural material. It can be 800 MPa or less.
• CAI intensity can be measured by a method compliant with SACMA SRM2R.
• Energy release rate G1c and G2c, from the viewpoint of inter-layer toughness in the case of using the structural material is preferably 1.0 kJ / m 2 or more, respectively, 1.2kJ / m 2 or more is more preferable. It can be 3.0 kJ / m 2 or less.
• G1c and G2c can be measured by a method conforming to ASTM D5528 and BMS8-276, respectively.
• Tg is preferably 150 ° C. or higher, more preferably 160 ° C. or higher.
• the temperature can be 500 ° C. or lower.
• Examples of the form of the reinforcing fiber used for the fiber-reinforced composite material include a form in which the fibers are aligned in one direction to be used as a reinforcing fiber base material, and a form in which the fibers are used as a fiber-reinforced base material for woven fabrics such as plain weave, twill weave, and satin weave. .. From the viewpoint of strength when formed into a molded product, it is preferably in the form of a reinforcing fiber base material in which fibers are aligned in one direction.
• the thickness of the reinforcing fiber base material is preferably 0.04 to 0.70 mm, more preferably 0.07 to 0.40 mm, from the viewpoint of resin impregnation.
• the volume content (Vf) of the reinforcing fibers in the fiber-reinforced composite material is preferably 20 to 75%, preferably 40 to 65%, based on the volume of the fiber-reinforced composite material in order to make the molded product have a high elastic modulus or high strength. % Is more preferable.
• a fiber composed of an inorganic fiber, a metal fiber or a mixture thereof can be used.
• the inorganic fiber include carbon fiber, graphite fiber, silicon carbide fiber, alumina fiber, tungsten carbide fiber, boron fiber, glass fiber and the like.
• the metal fiber fibers such as stainless steel and iron can be used, and there are also carbon fibers coated with metal and the like.
• Carbon fiber is particularly preferable.
• Examples of carbon fibers include polyacrylonitrile (PAN) type, petroleum / coal pitch type, rayon type, lignin type and the like.
• PAN-based carbon fibers made from PAN, and strands or tows of 12,000 to 60,000 filaments are preferable because they are excellent in productivity and mechanical properties on an industrial scale.
• the matrix resin includes a polyarylketone resin and a resin having a nitrogen atom in a repeating structural unit.
• a polyarylketone resin By mixing a polyarylketone resin with a resin having a nitrogen atom in a repeating structural unit, it is possible to reduce the contact angle while forming a plurality of types of chemical bonds between the matrix resin and the adhesive. Can exhibit surface properties suitable for.
• the volume content (Vr) of the matrix resin in the fiber-reinforced composite material is preferably 25 to 80%, more preferably 35 to 60%, based on the volume of the fiber-reinforced composite material, from the viewpoint of high elastic modulus or strength.
• the mixing ratio of the polyarylketone resin and the resin having a nitrogen atom in the repeating structural unit is 3 or more in terms of mass ratio (polyarylketone resin / resin having a nitrogen atom in the repeating structural unit) in order to improve stability with respect to a solvent. Is preferable, and 4 or more is more preferable. Since the adhesiveness to the reinforcing fibers can be improved, the mass ratio (polyarylketone resin / polyetherimide resin) is preferably 32 or less, more preferably 30 or less.
• the polyarylketone resin is a thermoplastic resin containing an aromatic ring, a ketone and an ether bond in its structural unit, and examples thereof include polyetherketone, polyetheretherketone, and polyetherketoneketone.
• the viscosity of polyaryl ketone from the viewpoint of improving the strength, melt volume rate measured according to ISO 1133 (MVR; set temperature: 380 ° C., load: 5 kg) It is 1 ⁇ 80cm 3/10 minutes are preferred, from the viewpoint of easily impregnated, melt volume rate measured according to ISO 1133 (MVR; set temperature: 380 ° C., load: 5 kg) is more preferably 10 ⁇ 50cm 3/10 minutes. Further, it may have a substituent as long as it does not interfere with the effect of the present invention. From the viewpoint of moldability and chemical resistance, a polyetheretherketone having a structural unit represented by the formula (1) is preferable.
• R 1 to R 3 independently represent a halogen atom, an alkyl group, or an alkoxy group, and m, n, and o each independently represent an integer of 0 to 4.
• R 1 to R 3 represent a halogen atom, an alkyl group, an alkoxy group
• examples of the halogen atom include fluorine, chlorine, bromine, iodine and the like
• examples of the alkyl group include a methyl group, an ethyl group and a propyl group.
• Examples of the alkoxy group include a methoxy group, an ethoxy group, a butoxy group and the like. It is preferable that m, n, and o are 0.
• the ratio of the structural unit represented by the formula (1) to the polyetheretherketone resin (100% by mass) is preferably 70% by mass to 100% by mass, more preferably 80% by mass to 100% by mass, and 90% by mass. % To 100% by mass is more preferable.
• the polyetheretherketone a commercially available product can be used, and examples thereof include Daicel Evonik's trade names "Vestakeep (registered trademark; the same applies hereinafter) 3300G", “Vestakeep JZV7402", "Vestakeep 1000G” and the like. Be done.
• the resin having a nitrogen atom in the repeating structural unit examples include a polyamide resin, a polyimide resin, a polyurethane resin, and a polyetherimide resin. From the viewpoint of strength and heat resistance, a polyetherimide resin is preferable. Since it is used in combination with a polyarylketone resin which is a thermoplastic resin, it is preferable that the resin having a nitrogen atom in the repeating structural unit is a thermoplastic resin.
• a polyetherimide resin is a thermoplastic resin containing an aliphatic chain or an aromatic ring, an ether bond, and an imide bond.
• the viscosity of the polyetherimide resin preferably has a 5 ⁇ 50cm 3/10 min, in view of the mechanical properties from, and more preferably 10 ⁇ 30cm 3/10 minutes. It may have a substituent as long as it does not interfere with the effect of the present invention. It is preferable to have a repeating unit represented by the following formula (2).
• Y represents a divalent group having an —O— or ether bond
• Z represents an arylene group which may have a substituent.
• the arylene group include a phenylene group, a naphthylene group, a biphenylene group and the like.
• the divalent group having an ether bond include the groups shown below.
• polyetherimide resin having a structural unit represented by the following formula (3) or (4).
• examples of commercially available products include SABIC's trade names "Ultem1000”, “UlemCRS1010”, “Ultem CRS5011”, and "Ultem CRS5001".
• the matrix resin contains various additives other than other resins and inorganic fillers, such as heat stabilizers, ultraviolet absorbers, light stabilizers, nucleating agents, colorants, lubricants, and flame retardants, to the extent that their properties are not impaired. Etc. may be appropriately blended. Further, as a method for mixing various additives, a known method can be used.
• the prepreg is obtained by impregnating a reinforcing fiber base material with a matrix resin, and examples thereof include UD prepreg, cross prepreg, and sheet molding compound.
• the prepreg can be made into a molded product by forming a laminated body laminated at various angles according to the intended use. Examples of the laminated structure include a unidirectional material, an orthogonal laminate, and a pseudo isotropic laminate.
• a random sheet in which the prepreg is cut into a cut prepreg, or a rectangular or parallelogram chopped strand is used, and the chopped strands are isotropically or anisotropically dispersed in order to accurately mold even a complicated shape.
• the adhesive strength of the joint portion of the joint can be improved by adjusting the contact angle of the joint portion in the combination of the prepreg and the prepreg, the prepreg and the molded product, and the molded product and the molded product.
• the molding method is not particularly limited, and one or more prepregs are laminated and molded by a mold pressing method, an autoclave method, a hot / cold pressing method, an automatic laminating method using a robot, or the like. Can be done.
• Examples of the surface modification method by surface treatment include wet treatment and dry treatment.
• the wet treatment is a modification method in which the reaction product is precipitated on the surface of the base material by various chemical reactions in the liquid phase, and examples thereof include treatment with an aqueous solution.
• Examples of the dry treatment include corona treatment, frame treatment, and plasma treatment.
• the corona treatment is a process of irradiating a corona discharge, and high-speed processing is possible. By using a flame, the frame processing can be performed without tracing the unevenness of the product having three-dimensional unevenness.
• Plasma treatment is a method that does not require a drying process and is a treatment of a region close to the surface of the material surface layer, so that there is little damage to the material and the treatment can be performed with a compact device.
• the plasma treatment is a treatment in which oxygen radicals and nitrogen radicals generated when the dry air is brought into a plasma state by electric discharge energy react with the surface of the fiber-reinforced composite material to modify the surface state. This makes it possible to reduce the contact angle with water.
• Examples of the plasma treatment include the methods described below.
• the fiber-reinforced composite material to be surface-modified is fixed on a movable pedestal.
• the plasma irradiation nozzle is installed within the movable range of the pedestal and fixed at a position 1 mm to 500 mm away from the surface of the fiber reinforced composite material.
• the power for generating plasma is operated to move the movable pedestal to which the fiber reinforced composite is fixed at a speed of 1 mm / sec to 500 mm / sec, and the pedestal is discharged from the ejection hole of the plasma irradiation nozzle.
• the surface of the fiber reinforced composite is irradiated with plasma.
• the surface can be modified by setting the temperature near the plasma irradiation nozzle injection hole to be 100 to 500 ° C. and irradiating for 0.002 to 500 seconds.
• the closer the distance between the injection hole of the plasma irradiation nozzle and the fiber-reinforced composite material is, and the slower the moving speed of the pedestal the stronger the surface modification.
• Adhesives can be used to join the fiber reinforced composites to other components.
• the adhesive is preferably at least one selected from an epoxy-based adhesive, a urethane-based adhesive, and an acrylic-based adhesive, and more preferably an epoxy-based adhesive.
• the form of the adhesive to be used may be a solution type or a film type, and a film type adhesive is preferable from the viewpoint of being able to adhere with high position accuracy.
• the thickness of the adhesive layer to be introduced is not particularly limited, but is preferably 0.01 to 30 mm.
• the joint body is a joint body of a component 1 and a component 2 made of a fiber-reinforced composite material containing carbon fiber and a thermoplastic resin, and the joint portion in which the component 1 and the component 2 are bonded via an adhesive. It is preferable that at least a part of the fracture surface at the joint portion after the tensile test of the joint body is a cohesive failure of the adhesive.
• the fiber-reinforced composite material can be a material constituting the fiber-reinforced composite material described above. Aggregate fracture means fracture that apparently occurs inside the adhesive layer.
• the component 1 can be the fiber-reinforced composite material described above.
• the adhesive is coagulated and broken after the tensile test. Occurs.
• the material of the component 2 include a fiber reinforced composite material, a resin material, and a metal material. If the part 2 is made of a metal material, an epoxy adhesive may be used, if the part 2 is made of a fiber-reinforced composite material, a urethane adhesive may be used, and if the part 2 is made of a resin material, an acrylic adhesive may be used. preferable.
• the component 2 may be subjected to plasma treatment before being joined to the component 1.
• it is a bonded body of a component 1 and a component 2 made of a fiber-reinforced composite material containing carbon fiber and a thermoplastic resin, and the component 1 and the component 2 are bonded via an epoxy adhesive.
• Adhesive strength can be measured by a tensile test. From the viewpoint of the strength of the entire bonded body, the adhesive strength is more preferably 28 MPa or more. The adhesive strength can be 100 MPa or less.
• the cohesive fracture rate of the adhesive after the tensile test according to JIS K6850 is the ratio of fracture inside the adhesive to the entire adhesive area. The higher the cohesive failure rate, the larger the rate of breakage in the adhesive, and the adhesive function of the adhesive can be exhibited. Even when it is incorporated into a structure such as a car or an aircraft, it is possible to prevent the joint from being destroyed by an external impact.
• the cohesive fracture rate can be obtained by calculating the area ratio by macroscopic observation or microscopic observation, or by calculating the area ratio by image processing.
• the cohesive failure rate in the adhesive calculated by photographing the fracture surface after the tensile test and binarizing the photographed image using image processing software is preferably 10% or more, more preferably 50% or more. 70% or more is more preferable.
• a polyaryl ketone resin PEEK resin (Daicel Evonik Ltd., trade name "Besutakipu (registered trademark) 3300 g", MVR; set temperature: 380 ° C., load: 5 kg) is 20 cm 3/10 min, wherein It has a structure represented by (1), and m, n, and o are 0) and is a polyetherimide resin (manufactured by Savik Co., Ltd., trade name "Ultem (registered trademark) CRS5011", MVR; set temperature: 360 ° C., load: 5 kg) is 20 cm 3/10 min, a thermoplastic resin composition mixed so that the equation (3) having a structure represented by) a predetermined mass ratio, carbon fiber (Mitsubishi Chemical Co.
• a fiber-reinforced thermoplastic resin prepreg obtained by heat-melting and impregnating a unidirectionally oriented carbon fiber sheet (manufactured by, trade name "MR50R", 570tex, 12,000
• Example 1 (Creation of molded plate) A fiber-reinforced thermoplastic resin prepreg having a mass ratio of PEEK resin to polyetherimide resin of 90:10 is cut into a size of 178 mm ⁇ 328 mm, and the laminated body has a thickness and a laminated structure suitable for each test item.
• the laminate is placed in a steel mold, and the mold containing the laminate is heated and cooled in a two-stage press (manufactured by Kondo Metal Industry Co., Ltd., 50 ton press) in a press machine set at 380 ° C. After preheating the mold to 340 ° C. in about 10 minutes, compression molding was performed for 30 minutes under molding conditions of 5 MPa.
• the mold was conveyed to the surface of the press plate tuned to 80 ° C., and the temperature was lowered to 200 ° C. in about 2 minutes to obtain a molded plate made of a fiber-reinforced composite material having a size of 180 mm ⁇ 330 mm.
• the 90 ° bending strength was 138 MPa
• CAI was 334 MPa
• G1c was 1.6 kJ / m 2
• G2c was 1.7 kJ / m 2
• Tg (DMA, E'-onset) was 166 ° C.
• the measurement was carried out as follows.
• a molded product obtained by laminating prepregs in one direction at 0 ° so as to have a thickness of about 2 mm is cut into a size of 50 mm in length (orthogonal direction to the fiber) x 12.7 mm in width (parallel to the fiber).
• a test piece (thickness 2 mm) was prepared.
• a three-point bending test was performed by a method according to ASTM D790, and the 90 ° bending strength was measured.
• CAI compressive strength
• Tg (DMA, E'-onset)
• a molded body obtained by laminating prepregs in one direction at 0 ° so as to have a thickness of about 2 mm is cut into a size of 55 mm in length (parallel to the fiber) x 12.7 mm in width (orthogonal to the fiber).
• a test piece (thickness 2 mm) was prepared.
• the glass transition temperature indicating heat resistance was measured by a method according to ASTM D7028.
• a molded plate made of the fiber-reinforced composite material was cut into test pieces having a size of 100 mm ⁇ 25 mm and subjected to plasma treatment.
• a plasma generator "FG5001" manufactured by Plasmatreat
• a plasma nozzle "RD1004" manufactured by Plasmatreat
• the test piece is placed on a movable stage, the distance from the test piece to the plasma nozzle (irradiation height) is 5 mm, and the moving speed of the stage on which the test piece is placed (base material moving speed) is 25 mm / sec.
• the surface of the test piece was treated to obtain a surface-modified test piece.
• the epoxy adhesive FM-300-2 (manufactured by SOLVAY) is applied to the portion (A) where the contact angle of the two surface-modified test pieces is 60 ° or less, and the width is 25 mm and the length is 12.5 mm.
• a molded plate joint made of a fiber-reinforced composite material was obtained.
• Example 2 The contact angle with respect to water, the tensile shear force, and the cohesive fracture rate were measured in the same manner as in Example 1 except that the plasma treatment conditions were an irradiation height of 5 mm and a substrate moving speed of 5 mm / sec.
• the characteristics of the molded plate made of the fiber-reinforced composite material before the plasma treatment are the same as those in the first embodiment.
• Example 3 Two test pieces were subjected to different plasma treatments, irradiation height 5 mm, substrate moving speed 25 mm / sec, irradiation height 10 mm, substrate moving speed 100 mm / sec, and adhesive attachment and heat curing 1
• the contact angle with respect to water, the tensile shear force, and the cohesive fracture rate were measured in the same manner as in Example 1 except that the mixture was stored in air for a week.
• the characteristics of the molded plate made of the fiber-reinforced composite material before the plasma treatment are the same as those in the first embodiment.
• the contact angle with water immediately after the plasma treatment is 18.7 ° at an irradiation height of 5 mm and a substrate moving speed of 25 mm / sec, and 38.1 ° at an irradiation height of 10 mm and a substrate moving speed of 100 mm / sec.
• the contact angles after storage for 1 week were 46.4 ° and 50.6 °, respectively.
• the contact angle of the molded plate made of the fiber-reinforced composite material with water was 48.5 ° on average.
• Example 4 The contact angle with respect to water, the tensile shear force, and the cohesive fracture rate were measured in the same manner as in Example 1 except that the blending ratio of the PEEK resin and the polyetherimide resin was changed to 80:20. 90 ° bending strength of a molded plate made of a fiber reinforced composite material 107 MPa, CAI is 329MPa, G1c is 1.2kJ / m 2, G2c is 1.5kJ / m 2, Tg (DMA , E'-onset) is 164 ° C. Met.
• Example 5 The plasma treatment conditions were an irradiation height of 10 mm, a substrate moving speed of 100 mm / sec, and the contact angle and tension with respect to water in the same manner as in Example 4 except that the adhesive was attached and the material was stored in the air for 1 week until heat curing. Shear force and cohesive fracture rate were measured.
• the contact angle with water immediately after the plasma treatment was 35.2 °, and the contact angle after storage in air for 1 week was 50.3 ° and 51.5 °, respectively.
• the contact angle of the molded plate made of the fiber-reinforced composite material with water was 50.9 ° on average.
• the characteristics of the molded plate made of the fiber-reinforced composite material before the plasma treatment are the same as those in Example 4.
• Example 6 The contact angle with respect to water, the tensile shear force, and the cohesive fracture rate were measured in the same manner as in Example 1 except that the blending ratio of the PEEK resin and the polyetherimide resin was changed to 94: 6.
• Example 7 The contact angle with respect to water, the tensile shear force, and the cohesive fracture rate were measured in the same manner as in Example 1 except that the blending ratio of the PEEK resin and the polyetherimide resin was changed to 60:40.
• a molded plate made of a fiber-reinforced composite material has a 90 ° bending strength of 105 MPa, CAI of 310 MPa, G1c of 1.3 kJ / m 2 , G2c of 1.1 kJ / m 2 , and Tg (DMA, E'-onset) of 172 ° C. Met.
• Comparative Example 2 The contact angle with respect to water, the tensile shear force, and the cohesive fracture rate were measured in the same manner as in Comparative Example 1 except that the plasma treatment conditions were an irradiation height of 5 mm and a substrate moving speed of 5 mm / sec. The characteristics of the molded plate made of the fiber-reinforced composite material before the plasma treatment are the same as those of Comparative Example 1.
• Example 3 The contact angle with respect to water, the tensile shear force, and the cohesive fracture rate were measured in the same manner as in Example 1 except that the plasma treatment was not performed.
• the characteristics of the molded plate made of the fiber-reinforced composite material before the plasma treatment are the same as those in the first embodiment.
• Example 4 The contact angle with respect to water, the tensile shear force, and the cohesive fracture rate were measured in the same manner as in Example 4 except that the plasma treatment was not performed.
• the characteristics of the molded plate made of the fiber-reinforced composite material before the plasma treatment are the same as those in Example 4.
• a molded plate made of a fiber-reinforced composite material has a 90 ° bending strength of 104 MPa, CAI of 296 MPa, G1c of 0.84 kJ / m 2 , G2c of 1.1 kJ / m 2 , and Tg (DMA, E'-onset) of 212 ° C. Met.
• Comparative Example 6 The contact angle with respect to water, the tensile shear force, and the cohesive fracture rate were measured in the same manner as in Comparative Example 5 except that the plasma treatment was not performed. The characteristics of the molded plate made of the fiber-reinforced composite material before the plasma treatment are the same as those of Comparative Example 5.
• the fiber-reinforced composite material is suitably subjected to plasma treatment to reduce the contact angle, and in the tensile test, cohesive fracture may occur inside the adhesive. confirmed.
• Comparative Examples 1, 3 and 4 the interface fracture between the fiber reinforced composite material and the adhesive was obtained. Further, in Comparative Example 2, although the contact angle was reduced by the plasma treatment, the interface was broken and the adhesive strength was not improved.
• the affinity with the adhesive was improved by making the surface of the fiber reinforced composite material hydrophilic by the plasma treatment.
• the affinity between the adherend and the adhesive By increasing the affinity between the adherend and the adhesive, stable adhesive strength can be exhibited, which can be said to be a useful method for component design.
• the adhesive strength By setting the surface of the fiber-reinforced composite material, which is a combination of specific resins, to a specific contact angle, even if the material contains a polyarylketone resin that is difficult to adhere to other parts, the adhesive strength can be improved. It is possible to manufacture a bonded body having excellent adhesive strength.
• a fiber-reinforced composite material having surface properties suitable for joining. Further, in particular, it is possible to provide a fiber-reinforced composite material, a resin material, and a fiber-reinforced composite material having excellent adhesiveness to an adherend of a metal material, and a strongly bonded joint body.

Landscapes

• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Health & Medical Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Medicinal Chemistry (AREA)
• Organic Chemistry (AREA)
• Polymers & Plastics (AREA)
• Materials Engineering (AREA)
• Manufacturing & Machinery (AREA)
• Inorganic Chemistry (AREA)
• Composite Materials (AREA)
• General Chemical & Material Sciences (AREA)
• Physics & Mathematics (AREA)
• Textile Engineering (AREA)
• Plasma & Fusion (AREA)
• Toxicology (AREA)
• Mathematical Physics (AREA)
• Reinforced Plastic Materials (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Related Child Applications (1)

Publications (1)

Family

ID=77890420

Family Applications (1)

Country Status (4)

Cited By (3)

Citations (15)

Family Cites Families (2)

• 2021
  • 2021-03-23 EP EP21774740.1A patent/EP4130106A4/en not_active Withdrawn
  • 2021-03-23 WO PCT/JP2021/011938 patent/WO2021193609A1/ja not_active Ceased
  • 2021-03-23 JP JP2022510530A patent/JPWO2021193609A1/ja active Pending
• 2022
  • 2022-09-20 US US17/933,511 patent/US20230040679A1/en not_active Abandoned

Patent Citations (15)

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events