WO2019105623A1 - Procédé d'impression d'un produit flexible - Google Patents

Procédé d'impression d'un produit flexible Download PDF

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Publication number
WO2019105623A1
WO2019105623A1 PCT/EP2018/074363 EP2018074363W WO2019105623A1 WO 2019105623 A1 WO2019105623 A1 WO 2019105623A1 EP 2018074363 W EP2018074363 W EP 2018074363W WO 2019105623 A1 WO2019105623 A1 WO 2019105623A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
flexible
product
treatment
printing
Prior art date
Application number
PCT/EP2018/074363
Other languages
German (de)
English (en)
Inventor
Tobias Huber
Armin SENNE
Christian Weigert
Original Assignee
Contitech Elastomer-Beschichtungen 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 Contitech Elastomer-Beschichtungen Gmbh filed Critical Contitech Elastomer-Beschichtungen Gmbh
Priority to EP18769644.8A priority Critical patent/EP3717269A1/fr
Publication of WO2019105623A1 publication Critical patent/WO2019105623A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/32—Printing on other surfaces than ordinary paper on rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0005—Pretreatment of tyres or parts thereof, e.g. preheating, irradiation, precuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0005—Pretreatment of tyres or parts thereof, e.g. preheating, irradiation, precuring
    • B29D2030/0011—Surface activation of tyres or parts thereof, e.g. by plasma treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0061—Accessories, details or auxiliary operations not otherwise provided for
    • B29D2030/0077—Directly attaching monitoring devices to tyres before or after vulcanization, e.g. microchips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/72—Side-walls
    • B29D2030/728—Decorating or marking the sidewalls after tyre vulcanization
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/22—Metallic printing; Printing with powdered inks
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/01—Dielectrics
    • H05K2201/0104—Properties and characteristics in general
    • H05K2201/0133—Elastomeric or compliant polymer
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10151—Sensor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/09—Treatments involving charged particles
    • H05K2203/095—Plasma, e.g. for treating a substrate to improve adhesion with a conductor or for cleaning holes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/10—Using electric, magnetic and electromagnetic fields; Using laser light
    • H05K2203/107—Using laser light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
    • H05K3/1208—Pretreatment of the circuit board, e.g. modifying wetting properties; Patterning by using affinity patterns
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/28—Applying non-metallic protective coatings

Definitions

  • the present invention relates to a method for printing a flexible product according to the patent claim 1 and a correspondingly produced flexible product according to the patent claim 11.
  • various products which comprise at least one elastomeric material or consist of at least one elastomeric material.
  • Such products may also have at least one flexible strength member.
  • These include e.g. Tires, conveyor belts, air springs, drive belts, foils, hoses and the like.
  • the surface of the elastomeric product or the surface of an elastomeric layer of a multilayer elastomeric product may be of interest to process the surface of the elastomeric product or the surface of an elastomeric layer of a multilayer elastomeric product. In particular, it may be relevant to print such a surface.
  • elastomeric products or layers usually have such a rough surface that it is not or only partially suitable for printing processes.
  • a rough surface can hinder even at comparatively low roughness.
  • components of the elastomeric mixture such as waxes or plasticizers can diffuse out of the mixture and settle on the surface. This can lead to the formation of a so-called vulcanization skin in the context of a vulcanization process, which can cover the surface partially or completely.
  • the vulcanization skin may have, for example, sulfur and peroxydic residues. This can also interfere with printing on the surface, because these substances can influence the surface tension of the surface. As a result, the surface during printing can not be deformed or pressed so that printing substrates can find a sufficient to optimal surface.
  • An object of the present invention is to provide a flexible product of the type described above, so that its surface is better suited than previously known for printing. This should be achieved in particular for printing processes with very fine structures. At least an alternative to known such flexible products should be created.
  • the present invention relates to a process for printing at least a first layer of a flexible product, preferably an elastic product, more preferably an elastomeric product.
  • a product is understood to mean an object which is the result of a manufacturing process.
  • the flexible product has at least one first layer, which is at least partially, preferably completely, made of a flexible, preferably of an elastic, particularly preferably of an elastomeric, material.
  • the elastomeric material of the first layer has preferably already been vulcanized. Also, corresponding plastics can be used as a flexible material.
  • the property of flexibility of the product is to be understood as a material property which can be achieved by the use of a flexible material, preferably by the use of an elastic material, and more preferably by the use of an elastomeric material, preferably rubber.
  • the product may be completely, apart from the further inventive features, consist of this material or at least substantially comprise this material, so that the flexible material property of the product can be achieved.
  • the method according to the invention has at least the steps:
  • the present invention is based on the recognition that by treating at least one section of the first surface in this area, the quality of the surface can be improved in terms of its suitability by various measures together or alternatively, as described in more detail below becomes.
  • a vulcanization skin with a comparatively low surface tension may usually still be present.
  • the portions of the first surface may be printed with the printing material, such as a printing medium. be wetted with a paste, which for the removal or to reduce the
  • Vulcanization skin were pretreated and thus have a higher surface tension than the vulcanization skin.
  • the present invention is based on the recognition that by printing the first layer with an electrically conductive flexible material, electrically conductive structures can be formed there which, on account of their Material properties at the same time can be sufficiently flexible to follow the movements of the first layer sufficiently without being damaged or destroyed.
  • electrically conductive structures also in
  • Deformations of the first layer are retained, so that electrically conductive structures can be printed on a flexible surface and used as permanently as possible.
  • the respective surface properties can be checked before, during and / or after the treatment step via different sensor systems. In this way, insights can be gained as to how intensively the subsequent treatment should take place, how intensively the ongoing treatment should take place or how intensively the previous treatment has taken place. In this way, the subsequent or ongoing treatment step can be influenced in its intensity to improve the result of this step. Further, the subsequent printing can be adjusted to the obtained result of the previous treatment.
  • the portion of the first surface is smoothed at least in sections by the treatment.
  • the roughness of the first surface in this area is reduced. This can be achieved both by removing bumps, ripples and bumps and depressions such. Craters are made, which e.g. can be formed by a vulcanization skin. Likewise, a reduction in surface tensions may smooth the first surface of the first layer.
  • the treatment can be carried out uniformly for the section so that the same effect can be achieved over the entire section.
  • the treatment may, however, be varied in intensity within the section, so that the effect of the treatment within the section may be different.
  • the portion of the first surface is recessed at least in sections by the treatment.
  • a structure obtained by printing with the electrically conductive flexible material can be created such as a trace and or or or an electrical
  • Component as will be described later, are arranged and protected by the recessed arrangement against external influences. Also, another electrical component, which can be manufactured independently and placed on the first surface of the first layer and usually has a certain height, are protected by the recessed arrangement against external influences. This is especially true for protection against mechanical damage such as Scratch.
  • the treatment is carried out as grinding.
  • a grinder a cutting blade for accurate demarcations or a cylindrical grinder can be used, which covers the entire surface structure
  • disc milling cutters can be used, which mill only a narrow slit. It can also be milled offset, so that milling patterns similar to broken lines can be created.
  • the section of the first surface can be abraded at least in sections, as described above.
  • cavities, corners or edges can be ground, whose contour can vary depending on the application.
  • the treatment is carried out as a laser treatment.
  • a laser treatment is understood to mean laser ablation, which can lead to a reduction in thickness and / or to a structuring of the first surfaces.
  • a laser can still engrave targeted edges, boundaries or areas. Respective laser engraving processes can be introduced in the Ro 11-to-roll process subareas.
  • a high-precision laser method can be used, which is applied directly for the coating and printing technology shaping.
  • Advantageous is an on-the-fly laser process.
  • the treatment is carried out as plasma treatment.
  • the treatment can be done with a plasma and / or photonic surface technique.
  • the plasma treatment is a collective term for all Plasma processes that can be used for surface treatment. These are in particular the plasma cleaning of surfaces, the plasma activation for increasing the surface tension, the plasma etching for the surface enlargement, for matting and structuring as well as the plasma coating for the application of structures.
  • At least one conductor track and / or at least one electrical component is or are formed by the printing on the treated portion of the first surface.
  • a conductor track is understood to be a conductor track of an electronic circuit.
  • Under an electrical component is another component of an electronic
  • the electrical component or the electronic circuit is one which has previously been embodied as a chip module as a potted electrical component or as a potted electronic circuit rigid as a board.
  • the electrical component or the electronic circuit can, for example, a sensor or a sensor element such. be a probe.
  • Sensor element may e.g. Capacitive and or or work inductively and or or can detect an ohmic resistance. For example, temperature, force,
  • the electrical component or the electronic circuit can also be an actuator or an actuator component.
  • the electrical component or the electronic circuit can furthermore be a battery or a rechargeable accumulator.
  • the electrical component or the electronic circuit may be processing electronics or a computing unit, which can process signals and / or data.
  • the electrical component or the electronic circuit a
  • the first layer comprises an elastomeric material, preferably consists of an elastomeric material, wherein the first layer is provided in a vulcanized state.
  • a first layer can be provided which can be treated as described above to achieve the desired properties. Also, if necessary, can be dispensed with a subsequent vulcanization step to the electrically conductive flexible material or the thus formed structures such as
  • the method comprises at least the step before providing:
  • the first layer with its first surface e.g. in a calendering process via a silicone surface such as e.g. be guided over a counter roll with silicone foil.
  • a silicone surface such as e.g. be guided over a counter roll with silicone foil.
  • the counter roll with silicone film can also have a structuring, which can bring about desired changes in the surface tension only in certain places.
  • the silicone structures can prevent the printing process from leaving residues of printing materials such as e.g. functional inks or pastes on
  • the method comprises at least the further step: Applying at least a second layer at least in sections to the first surface of the first layer,
  • the electrically conductive flexible material is at least partially covered by the second layer.
  • the electrically conductive flexible material on the first surface of the first layer can be better kept and protected against external influences.
  • the present invention also relates to a flexible product, which is characterized in that the flexible product has been produced by a method as described above. As a result, the properties and advantages described there can be used on a product.
  • the flexible product is a flexible sensor, preferably an elastic sensor, more preferably an elastomeric sensor.
  • a sensor may be formed as a flexible body, preferably for use in other flexible bodies such as e.g. a tire, a drive belt, a conveyor belt, a foil, an air spring or a hose to be used.
  • the flexible product is a tire, a drive belt, a conveyor belt, a foil, an air spring or a hose. This allows a direct integration into the flexible product already at its
  • Air pockets can be used, which can mean a quality optimization.
  • the printed image can be further improved. Since with an elastomeric first layer on other points of the surface structure a vulcanization skin with little surface tension can still be present, in the printing process the spots are wetted with paste, which have been pretreated. This can lead to a longer life expectancy of the flexible product.
  • FIG. 1 is a perspective schematic representation of a first surface of a
  • FIG. 2 shows the illustration of Figure 1 with a treated portion of the first
  • FIG. 3 shows the illustration of FIG. 2 with a printed portion of the first surface of the first layer
  • Fig. 4 shows the illustration of Figure 3 with a second layer.
  • the description of the o.g. Figures take place in Cartesian coordinates with a longitudinal direction X, a transverse direction Y perpendicular to the longitudinal direction X, and a vertical direction Z perpendicular to both the longitudinal direction X and the transverse direction Y.
  • the longitudinal direction X can also be referred to as depth X and transverse direction Y as well as width Y and the vertical direction Z are also referred to as height Z.
  • the first layer 10 consists of a vulcanized elastomeric material, so that the first layer 10 is flexible.
  • the first layer 10 extends substantially in the plane of the longitudinal direction X and the transverse direction Y and is in the height Z comparatively small, ie thin, formed.
  • the first layer 10 has the first surface 11, which extends substantially in the horizontal, which is formed by the longitudinal direction X and by the transverse direction Y.
  • the first surface 11 has a certain roughness and a vulcanization skin.
  • the first surface 11 is ground in sections, so that the roughness in this region of the first surface 11 can be reduced. Furthermore, this can reduce the surface tension.
  • FIG. 2 shows the representation of FIG. 1 with a treated section 12 of the first surface 11 of the first layer 10.
  • the treated portion 12 of the first surface 11 of the first layer 10 is then printed in sections with an electrically conductive flexible material.
  • an electrically conductive flexible material For this purpose, suitable known printing methods can be used.
  • Two interconnects 13 and an electrical component 14 are formed so that correspondingly flexible electrical structures 13, 14 can be formed on the first surface 11 of the first layer 10 as a flexible substrate, see FIG flexible product 1 can withstand better than conventional rigid conductor tracks 13 and electrical components 14th
  • a second elastomeric layer 15 is applied to the first surface 11 of the first layer 10, see FIG. 4, to cover the conductor tracks 13 and the electrical component 14. Further, the flexible elastomeric product 1 is vulcanized to obtain its final material properties.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing Of Printed Wiring (AREA)

Abstract

La présente invention concerne un procédé d'impression d'au moins une première couche (10) d'un produit flexible (1), de préférence d'un produit élastique (1), de préférence encore d'un produit élastomère (1), comprenant au moins les étapes suivantes : - préparation de la première couche (10) qui présente au moins une première surface (11) ; - traitement d'au moins une partie (12) de la première surface (11) ; et impression d'au moins la partie traitée (12) de la première surface (11), au moins par endroits, avec un matériau flexible électriquement conducteur.
PCT/EP2018/074363 2017-11-30 2018-09-11 Procédé d'impression d'un produit flexible WO2019105623A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18769644.8A EP3717269A1 (fr) 2017-11-30 2018-09-11 Procédé d'impression d'un produit flexible

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017221546.1 2017-11-30
DE102017221546.1A DE102017221546A1 (de) 2017-11-30 2017-11-30 Verfahren zum Bedrucken eines flexiblen Produkts

Publications (1)

Publication Number Publication Date
WO2019105623A1 true WO2019105623A1 (fr) 2019-06-06

Family

ID=63586692

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/074363 WO2019105623A1 (fr) 2017-11-30 2018-09-11 Procédé d'impression d'un produit flexible

Country Status (3)

Country Link
EP (1) EP3717269A1 (fr)
DE (1) DE102017221546A1 (fr)
WO (1) WO2019105623A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023066432A1 (fr) * 2021-10-21 2023-04-27 Continental Reifen Deutschland Gmbh Procédé de liaison de composants de pneumatique

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070215039A1 (en) * 2006-03-14 2007-09-20 Chuck Edwards Roll-to-roll manufacturing of electronic and optical materials
US20120241203A1 (en) * 2009-10-27 2012-09-27 Shin Kuwabara Conductor pattern forming method and conductor pattern
US20140011390A1 (en) * 2012-01-13 2014-01-09 Tokai Rubber Industries, Ltd. Wiring body connection structure
US20140035603A1 (en) * 2012-08-03 2014-02-06 Xerox Corporation Printed Stretch Sensor
WO2017082995A1 (fr) * 2015-11-13 2017-05-18 Exatec, Llc Pâte conductrice et procédé d'impression de celle-ci

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010060904A1 (de) * 2010-11-30 2012-05-31 Benecke-Kaliko Ag Polymermischung
ES2690078T3 (es) * 2015-06-12 2018-11-19 Continental Reifen Deutschland Gmbh Procedimiento para la fabricación de un paso eléctricamente conductor en un neumático de vehículo

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070215039A1 (en) * 2006-03-14 2007-09-20 Chuck Edwards Roll-to-roll manufacturing of electronic and optical materials
US20120241203A1 (en) * 2009-10-27 2012-09-27 Shin Kuwabara Conductor pattern forming method and conductor pattern
US20140011390A1 (en) * 2012-01-13 2014-01-09 Tokai Rubber Industries, Ltd. Wiring body connection structure
US20140035603A1 (en) * 2012-08-03 2014-02-06 Xerox Corporation Printed Stretch Sensor
WO2017082995A1 (fr) * 2015-11-13 2017-05-18 Exatec, Llc Pâte conductrice et procédé d'impression de celle-ci

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023066432A1 (fr) * 2021-10-21 2023-04-27 Continental Reifen Deutschland Gmbh Procédé de liaison de composants de pneumatique

Also Published As

Publication number Publication date
DE102017221546A1 (de) 2019-06-06
EP3717269A1 (fr) 2020-10-07

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