WO2019179673A1 - Composite textile-matériau synthétique, capteur et procédé de fabrication du composite textile-matériau synthétique - Google Patents

Composite textile-matériau synthétique, capteur et procédé de fabrication du composite textile-matériau synthétique Download PDF

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Publication number
WO2019179673A1
WO2019179673A1 PCT/EP2019/051630 EP2019051630W WO2019179673A1 WO 2019179673 A1 WO2019179673 A1 WO 2019179673A1 EP 2019051630 W EP2019051630 W EP 2019051630W WO 2019179673 A1 WO2019179673 A1 WO 2019179673A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastic
textile
component
spacer
plastic composite
Prior art date
Application number
PCT/EP2019/051630
Other languages
German (de)
English (en)
Inventor
Felix Stewing
Philipp Scheiner
Frank Wolter
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to CN201980020398.6A priority Critical patent/CN111867817A/zh
Publication of WO2019179673A1 publication Critical patent/WO2019179673A1/fr

Links

Classifications

    • 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
    • B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
    • B29C70/882—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding
    • 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
    • B29C70/24—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • 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
    • B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres
    • B29C70/66—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres the filler comprising hollow constituents, e.g. syntactic foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960755—Constructional details of capacitive touch and proximity switches

Definitions

  • Multi-layer structures and textile spacer fabrics are known in a variety of applications.
  • such multi-layer structures can be used as air and media conductors because of their high porosity or media permeability. Based on their compressibility or deformability, such multi-layer structures can also be used as force sensors. Different mechanical properties are used for the different fields of application. For application-specific adaptations, therefore, a new development of the spacer knitted fabric is required in each case.
  • the document EP 0 726 843 A1 which is probably the closest prior art, describes a composite material with a three-dimensional textile structure.
  • the textile structure comprises at least two textile layers, which are arranged at a distance from one another. At least one of the textile layers is impregnated with a matrix material and at least one of the outer textile layers is permeable to steam and moisture.
  • a textile-plastic composite is proposed.
  • the textile-plastic composite is a fiber-reinforced plastic composite.
  • the textile-plastic composite is for the production of moldings, and in particular of sensors formed.
  • the textile-plastic composite can be produced, for example, as a flat product and / or as an endless product.
  • the textile-plastic composite is reversibly deformable, limp and / or elastic.
  • the textile-plastic composite is preferably produced for the respective application with corresponding mechanical, physical and / or chemical properties.
  • the textile-plastic composite has a reinforcing component and a plastic component.
  • the reinforcing component as well as the plastic component may consist of further subcomponents.
  • the Kunststoffkom component is a plastic mixture.
  • the plastic component is made of a plastic.
  • the plastic component and / or the plastic are preferably an elastomer, thermoplastic or thermoset.
  • the plastic for plastic component production may be an injection molding plastic, a curing plastic or other plastic.
  • the reinforcing component is embedded in the plastic component.
  • the plastic component forms a matrix for the reinforcing component.
  • the reinforcing component is completely embedded and / or arranged in the plastic component.
  • the reinforcing component may partially protrude from the plastic component.
  • the reinforcing component is impregnated with the plastic component, with the plastic component poured out or from the plastic component molded. Reinforcement component and Kunststoffkom component are preferably positively and materially connected to each other.
  • the reinforcing component is formed as a spacer fabric.
  • the spacer fabric is preferably formed as a double-surface textile with two cover surfaces having an upper side and a lower side, wherein the two cover surfaces are arranged by a pole layer at a predetermined distance from each other.
  • the pole layer is formed by spacing connecting threads (pile threads).
  • the spacer fabric has an electrical structure.
  • the spacer fabric forms a knitted fabric in particular.
  • the spacer fabric may be formed of a plastic fiber or a natural fiber.
  • the spacer fabric is a polyester spacer fabric.
  • As an electrical structure for example, understood sections with electrical conductivity.
  • portions of the spacer fabric itself are conductive or include conductive structures.
  • the electrical structure preferably has an electrical and / or electronic function and / or can be used to measure a physical quantity.
  • the electrical structure is disposed on an outer side of the spacer fabric.
  • the electrical structure is arranged, for example, on the surface of the spacer fabric.
  • the invention is based on the consideration to provide a textile-plastic composite which can be used for the production of sensors.
  • a versatile, for example, more compressible and flexible, textile-plastic composite can be provided.
  • the plastic component for example, for a constant reinforcing component of the textile-plastic composite can be adapted to the particular application, without the need to redevelop each new reinforcing components with electrical structures.
  • the spacer fabric comprises an electrically conductive yarn for forming the electrical structure.
  • the electrically conductive yarn may for example be arranged or woven on a plane, in which case, for example, only one plane is conductive and / or the conductive yarn includes.
  • the conductive yarn is, for example, a graphene and / or carbon nanotube fiber.
  • the electrically conductive yarn may be formed from copper, silver, gold, or aluminum, or alternatively from a conductively coated or wound plastic yarn.
  • the electrically conductive yarn can be arranged in sections in the spacer fabric or be present globally in the spacer fabric.
  • the electrical structure is printed on the spacer fabric, glued or otherwise applied.
  • the electrical structure is disposed on a surface of the spacer fabric.
  • the electrical structure forms, for example, a two-dimensional or three-dimensional structure.
  • the electrical structure may be arranged in sections, regularly or irregularly on the spacer fabric.
  • the printed electrical structure is in particular a flexible and / or microstructured structure.
  • the electrical structure can preferably be imprinted in a gravure printing, offset printing or flexographic printing process.
  • the electrical structure can be imprinted by means of an inkjet printing process.
  • the electrical structure may comprise an inorganic or organic conductor, alternatively the electrical structure comprises a semiconductor.
  • the spacer fabric has two levels.
  • the spacer fabric may also have a plurality of planes.
  • the two or more levels are each spaced by a spacer.
  • the spacer is for example a monofilament.
  • Two levels are each arranged in particular in a specific and / or determinable distance from each other. This distance can be constant or variable.
  • the spacer can compressively space the planes apart.
  • the spacer has a restoring force, so that the two planes are again set to the desired distance after compression.
  • At least one of the two levels is electrically conductive.
  • two levels are conductive and / or all levels are electrically conductive.
  • the electrically conductive levels can be arranged electrically insulated from each other.
  • the planes are electrically connected to each other, for example by the spacer.
  • the spacer fabric forms an electrical capacitor and / or a capacitor.
  • the spacer fabric forms a plate capacitor.
  • the two planes are electrically isolated from each other, with the two planes forming the plates of the plate capacitor.
  • the reinforcing component is compressible and / or reversibly deformable.
  • the reinforcing component especially the spacer knit, is elastic, pliable and flexible.
  • the reinforcing component is preferably so compressible that a restoring force brings them back to the original shape after compression.
  • the reinforcing component can be designed so that the reinforcing component, if it is embedded in the plastic component, a deformation of the textile plastic composite and / or the Kunststoffkom component returns to its original form.
  • the reinforcing component is designed to give the textile-plastic composite its compressible and / or deformable properties.
  • the plastic component and / or the plastic is compressible and / or reversibly deformable.
  • the plastic forms an elastomer, a thermoplastic or a thermoset plasticizers.
  • the textile-plastic composite has a plurality of sections with different mechanical, physical and / or chemical properties.
  • the sections are in particular flat sections, for example, with an area of more than one square centimeter each.
  • the sections can merge continuously.
  • the sections are discontinuous into each other.
  • the different mechanical, physical and / or chemical properties are for example a different compressibility, flexibility, hardness, plastic composition or electrical conductivity.
  • An embodiment of the invention provides that the various subsections have different reinforcing components.
  • Reinforcement components in the different sections preferably have a different compressibility. Furthermore, reinforcement components with different electrical structures can be embedded in the sections. In particular, it is also provided that the different sections have a different plastic component and / or have different compositions of the plastics for the plastic components.
  • the spacer knitted fabric is sewn, finished or molded. Before pouring, encapsulating or embedding the reinforcing component in the Kunststoffkom component is the
  • Reinforcement component brought into a corresponding shape For example, ends and / or regions of the reinforcing component are sewn such that the reinforcing component has a corresponding shape.
  • the reinforcing component is sewn tubular.
  • the spacer textile can already be given a specific shape by the production method.
  • an endless tube can be produced, which also along the production direction, i. have variable diameters along its longitudinal axis and thus e.g. can be adapted to the shape of an irregular shaped handle, etc.
  • carrier or wires which form the Abstandgewirk before embedding in the plastic component accordingly.
  • the plastic component has additives.
  • the additives may be, for example, plasticizers, powders or granules.
  • the plastic component comprises air bubbles and / or air pockets.
  • the additives, air bubbles and / or air pockets may be arranged in sections in the plastic component, so that, for example, the sections with different physical and mechanical properties arise.
  • An embodiment provides that the Kunststoffkom component is made of a foamed material and / or forms. The reinforcing component is embedded in the plastic foam.
  • only one or both outer surfaces of the spacer knitted fabric may be coated or impregnated so as to be impermeable to vapor and moisture, in order to prevent penetration of media and thus a change in the sensor signal.
  • the measured variable is for example a physical quantity and in particular a pressure and / or force of the sensor.
  • the sensor has a measuring surface for this purpose.
  • the measured pressure and / or the measured force is in particular the force on the measuring surface.
  • the sensor comprises the textile-plastic composite, in particular as previously described.
  • the measuring surface is arranged on the textile-plastic composite.
  • the electrical structure is electrically contacted, for example with an evaluation electronics.
  • the sensor has a contact interface, wherein the contact interface is in electrical contact with the electrical structures of the amplification component.
  • the measurement data can be tapped off at the contact interface, for example the capacitance of the capacitor formed by the spacer fabric.
  • the compressibility and the measuring range can be adjustable for a spacer fabric which forms a capacitor.
  • a harder plastic By using a harder plastic, a larger and / or higher force range can be measured than when using a particularly soft and elastic plastic.
  • This embodiment is based on the idea to produce a sensor which is characterized by a particularly wide range of applications.
  • the sensor can form a sensor for distance measurement and / or moisture measurement.
  • the spacer fabric forms a capacitor, wherein, based on a measurement of a capacitance change, it is possible to close, for example, a change in distance. to
  • the spacer is specifically designed as a moisture-sensitive fiber, which is at
  • Another object of the invention is a method for producing the textile-plastic composite.
  • the method provides that a reinforcing component, which is designed as a spacer fabric, is embedded in a plastic component.
  • the embedding takes place for example by pouring, impregnating or encapsulating the spacer fabric and / or the reinforcing component with a plastic, wherein the plastic forms the plastic component.
  • When embedding the reinforcing component in the Kunststoffkom component these are positively connected and depending on the choice of materials also cohesively with each other.
  • the invention is based on the consideration to provide a method in which particularly easy to use textile plastic composites can be produced.
  • the reinforcing component is arranged in a negative mold and is poured or impregnated in this negative mold with a plastic.
  • the negative mold may be a hand laminate or part of a hand laminate.
  • the negative mold is coated on its surface so that the plastic and / or the plastic component does not adhere / poorly on this.
  • the negative mold is especially reusable.
  • the negative mold is formed by an elastic plastic. After placing the reinforcing component, the plastic is poured into the female mold, so that the reinforcing component is impregnated with the plastic. After pouring the plastic is cured in the negative mold and / or polymerised After curing, the textile-plastic composite can be removed from the negative mold.
  • the reinforcing component is sewn, finished, molded or contacted prior to embedding and / or pouring.
  • the reinforcing component is brought into a corresponding shape, for example by sewing or by insert.
  • the amplification component, in particular the electrical structures can be connected to an interface.
  • connecting wires are attached to the electrical structures, wherein the wires protrude after embedding in the plastic component of this and are electrically contacted.
  • the embedding of the reinforcing component into the plastic component with different plastics takes place.
  • a part of the negative mold is filled with a first plastic and a second part is filled with a second plastic.
  • a textile-plastic composite which has two or more sections.
  • FIGS. 1 a and 1 b schematically show a method for producing a textile-plastic composite as a first exemplary embodiment
  • FIGS. 2a and 2b show a method for producing a further embodiment of a textile-plastic composite
  • Figure 3 is a sensor made of a textile-plastic composite.
  • FIG. 1 a shows a reinforcing component 1.
  • the reinforcing component 1 is designed as a spacer fabric.
  • the spacer fabric forms a textile and is flexible and elastic.
  • the gain component 1 has two planes 2a and 2b.
  • the two levels are flat.
  • the levels 2a and 2b and in particular the Reinforcement component 1 curved and bent, here to a hose and / or cylinder.
  • the two planes 2a and 2b are spaced apart by a spacer 3.
  • the spacer 3 is designed here as a monofilament.
  • the spacer 3 and / or the monofilament spaced the two planes so, with only so many spacers 3 were used that the two planes are kept at a distance. By reducing the spacer 3, a very light reinforcing component 1 can be obtained.
  • the two planes 2a and 2b are formed as electrically conductive planes.
  • the two planes 2a and 2b are each vapor-deposited with a metal, for example silver, or consist of electrically conductive yarns.
  • the spacer 3 insulates the two planes 2a and 2b so that there is no current flow between the two planes 2a and 2b.
  • the two planes 2a and 2b thus form a capacitor, in this example the amplification component 1 forms a cylindrical capacitor.
  • the reinforcing component 1 and in particular the spacer knitted fabric is formed by the meter and flat in the original state.
  • the reinforcing component and / or the spacer fabric is sewn.
  • ends of the spacer fabric are sewn along a seam 4 so as to produce the cylinder and / or circuit.
  • such a cylindrical capacitor may be single-step - i. without subsequent sewing - be produced by means of a circular knitting machine as a multi-layer hose.
  • the two levels 2a and 2b are each coupled by means of an electrical contact and an electrical line 5 with an interface 6.
  • the contacts and the electrical line 5 may be part of the textile-plastic composite and / or sensor.
  • the levels 2a and 2b can be supplied and / or read by means of an electrical voltage.
  • the capacitance of the capacitor formed by the planes 2a and 2b can be determined and / or measured at the interface 6.
  • FIG. 1b the process step for the production of the textile-plastic composite is shown, in which the reinforcing component 1 from FIG. 1a is first inserted into a negative mold 7.
  • the negative mold 7 is a reusable negative mold, for example made of a resilient plastic or a metal.
  • the electrical leads 5 are guided out of the negative mold 7.
  • the negative mold 7 and the reinforcing component 1 is poured with a plastic 8.
  • the plastic 8 is a liquid plastic when pouring, which cures or polymerizes in the negative mold.
  • the plastic 8 penetrates when pouring the negative mold 7 and the reinforcing component 1 in the interstices, in particular between the planes 2 a and 2 b, of the spacer fabric. After curing or polymerizing the textile plastic composite consisting of the reinforcing component 1 and the plastic or the plastic component can be removed from the negative mold and fed to its use.
  • FIG 2a shows another embodiment for the production of the textile-plastic composite.
  • the reinforcing component 1 is here designed as a flat and planar reinforcing component 1.
  • the reinforcing component 1 comprises two planes 2a and 2b, which are spaced apart by a spacer 3, a monofilament.
  • the reinforcing component 1 is compressible, so that it is compressed and deformed when subjected to a force F. Upon removal of the force F, the reinforcing component 1 is returned to the original shape based on the restoring force caused by the spacers 3, so that the reinforcing component 1 is no longer deformed.
  • FIG. 2b shows a negative mold 7, in which the reinforcement component 1 from FIG. 2a is inserted flat and flat. After inserting the reinforcing component 1 in the negative mold 7, the negative mold 7 and the reinforcing component 1 is poured with the plastic 8. Alternatively, the reinforcing component 1 can also be encapsulated with the plastic 8, for example in an injection molding process. After curing of the plastic 8 in the negative mold 7, the textile plastic composite can be removed and fed to the use.
  • FIG. 3 shows a sensor 9.
  • the sensor 9 is designed as a handle sensor for a bicycle, a pram or other stationary and mobile means of transport, machines and objects intended to contain a man-machine interface for interaction.
  • the sensor 9 comprises the plastic composite.
  • the sensor 9 has three planes 2a, 2b and 2c.
  • the planes 2a, 2b and 2c are part of the reinforcement component 1.
  • the planes 2a, 2b and 2c are spaced apart by spacers 3.
  • the plane 2a and the plane 2c are designed here as electrically conductive planes.
  • the electrically conductive planes 2a and 2c are each spaced apart from the functional plane 2b by spacers.
  • Layer 2b is also electrically conductive or includes several separate, i. electrically insulated from each other conductive elements, which together with the planes 2a and 2c form capacitances which are dimensioned by the distance (thickness of the spacer).
  • the reinforcing component 1 is embedded in a plastic component, wherein the plastic component is formed here of a cover layer 10 and a handle body 11 and / or completed.
  • the cover layer 10 and the handle body 11 are electrically insulating, as well as this cover layer can be made waterproof, so that no voltage from the planes 2a, 2b and 2c can flow off unintentionally.
  • a handle and / or sensor 9 can be used, for example, to detect whether the handle is gripped by a person and how much this person grips this handle.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

Les capteurs, dans leurs applications, doivent présenter différentes propriétés mécaniques et physiques de telle sorte que leurs matériaux doivent être nouvellement mis au point et/ou choisis pour chaque utilisation. L'invention concerne un composite textile-matériau synthétique, présentant un composant de renforcement (1) et un composant de matériau synthétique, le composant de renforcement (1) étant enrobé dans le composant de matériau synthétique et le composant de renforcement (1) comprenant un tissu à mailles d'écartement, le tissu à mailles d'écartement présentant une structure électrique
PCT/EP2019/051630 2018-03-21 2019-01-23 Composite textile-matériau synthétique, capteur et procédé de fabrication du composite textile-matériau synthétique WO2019179673A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201980020398.6A CN111867817A (zh) 2018-03-21 2019-01-23 纺织品-塑料-复合体、传感器和用于制造纺织品-塑料-复合体的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018204305.1 2018-03-21
DE102018204305.1A DE102018204305A1 (de) 2018-03-21 2018-03-21 Textil-Kunststoff-Verbund, Sensor und Verfahren zur Herstellung des Textil-Kunststoff-Verbundes

Publications (1)

Publication Number Publication Date
WO2019179673A1 true WO2019179673A1 (fr) 2019-09-26

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CN (1) CN111867817A (fr)
DE (1) DE102018204305A1 (fr)
WO (1) WO2019179673A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102020207215A1 (de) 2020-06-09 2021-12-09 Sgl Carbon Se Medizintechnikbauteil

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EP0625094A1 (fr) * 1992-02-07 1994-11-23 Lucas Ind Plc Structure composite a matrice polymere comprenant des fibres metallisees et procede de production.
EP0726843A1 (fr) 1992-07-13 1996-08-21 K.U. Leuven Research & Development Materiau composite et structure composite a base d'une structure textile tridimensionnelle
DE102008034937A1 (de) * 2008-07-26 2010-02-04 Müller Textil GmbH Abstandsgewirke und Verfahren zu dessen Herstellung
US9022077B2 (en) * 2010-12-31 2015-05-05 Eaton Corporation Composite tube for fluid delivery system

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KR101716695B1 (ko) * 2014-12-31 2017-03-15 한국패션산업연구원 생체신호측정과 압력측정이 가능한 3차원구조 직물센서
CN107505068A (zh) * 2017-08-18 2017-12-22 北京纳米能源与系统研究所 电容式柔性压力传感器及其制备方法

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Publication number Priority date Publication date Assignee Title
EP0625094A1 (fr) * 1992-02-07 1994-11-23 Lucas Ind Plc Structure composite a matrice polymere comprenant des fibres metallisees et procede de production.
EP0726843A1 (fr) 1992-07-13 1996-08-21 K.U. Leuven Research & Development Materiau composite et structure composite a base d'une structure textile tridimensionnelle
DE102008034937A1 (de) * 2008-07-26 2010-02-04 Müller Textil GmbH Abstandsgewirke und Verfahren zu dessen Herstellung
US9022077B2 (en) * 2010-12-31 2015-05-05 Eaton Corporation Composite tube for fluid delivery system

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Publication number Publication date
CN111867817A (zh) 2020-10-30
DE102018204305A1 (de) 2019-09-26

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