EP0947253B1 - Procédé et appareil pour revêtir ou imprégner un substrat avec une composition à deux composants - Google Patents

Procédé et appareil pour revêtir ou imprégner un substrat avec une composition à deux composants Download PDF

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Publication number
EP0947253B1
EP0947253B1 EP98103901A EP98103901A EP0947253B1 EP 0947253 B1 EP0947253 B1 EP 0947253B1 EP 98103901 A EP98103901 A EP 98103901A EP 98103901 A EP98103901 A EP 98103901A EP 0947253 B1 EP0947253 B1 EP 0947253B1
Authority
EP
European Patent Office
Prior art keywords
component
components
impregnating
hardener
carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98103901A
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German (de)
English (en)
Other versions
EP0947253A3 (fr
EP0947253A2 (fr
Inventor
Andreas Ulli
Christian Strahm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Solipat AG
Original Assignee
Solipat AG
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
Priority to EP98103901A priority Critical patent/EP0947253B1/fr
Application filed by Solipat AG filed Critical Solipat AG
Priority to AT98103901T priority patent/ATE217547T1/de
Priority to DE59804131T priority patent/DE59804131D1/de
Priority to EP99911704A priority patent/EP1060028A1/fr
Priority to CN998037060A priority patent/CN1292734A/zh
Priority to AU30300/99A priority patent/AU3030099A/en
Priority to KR1020007009792A priority patent/KR20010041598A/ko
Priority to PCT/EP1999/001196 priority patent/WO1999044753A1/fr
Priority to JP2000534343A priority patent/JP2002505186A/ja
Publication of EP0947253A2 publication Critical patent/EP0947253A2/fr
Publication of EP0947253A3 publication Critical patent/EP0947253A3/fr
Application granted granted Critical
Publication of EP0947253B1 publication Critical patent/EP0947253B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means

Definitions

  • the invention relates to a method and an apparatus for Applying a two-component impregnation or Coating agent on a support.
  • Such procedures and devices are known and used in large numbers. You will e.g. for coating substrates various materials, such as plastic, sheet metal, fabrics or glass fibers used.
  • the two-component agent can be either Impregnation, especially for solidifying and filling the Fiber structure can be used or also for impregnation and / or subsequent coating.
  • Both Flat structures, such as sheets or strips, as well as fiber bundles be impregnated and / or coated.
  • Such too Coating and / or impregnating supports can thus have any geometric shapes.
  • thermoplastic or solvent-based one and drying system additionally at least one polymerizable Polymer or prepolymer and a corresponding one Contains hardener system or crosslinking agent.
  • epoxy resins As coating and / or impregnating agents have been proposed Proven all epoxy resins, as in US Pat. No. 5,478,599 and in EP patent 476 752 described in detail. Such epoxy resins are e.g. under the name Epon Resin 1031 from Shell Chemical Company available.
  • a suitable hardener is used.
  • Novolac hardeners are often used, e.g. under the designation Epikur DX-175 from Shell International Company are available.
  • curing accelerators are often used, to accelerate curing / crosslinking and / or to lower the curing temperature.
  • the polymer formulation can be adjusted so that Polymer resin becomes liquid at a predetermined temperature and can be applied in the liquid state so that it e.g. penetrates as deep as possible into the substrate.
  • the application temperature is depending on the setting of the resin and the hardener between 50 ° C and 250 ° C, preferably between 100 ° C and 200 ° C selectable.
  • the coated or impregnated support then becomes either at increased ambient temperature (e.g. through warm air) or heated by IR radiation.
  • the coated one Carrier, in particular the fiber structure impregnated with polymer curing treatment, e.g. in a drying tower be subjected.
  • the invention is based on the object, the known Methods and devices to improve and the disadvantages to avoid the acquaintance.
  • the curing conditions should be checked and to a point that is procedural and freely determinable after the application of the two Components.
  • these tasks are achieved primarily solved that the two components preferably one after the other and in separate, superimposed layers on the Carrier applied and only mixed on the carrier and then cured.
  • the intimate mixing on the carrier means that the Exactly when the curing begins can.
  • the system can be set so that it when mixed immediately reacts during such settings be avoided when premixing in order heads have to.
  • the two components can therefore be applied separately become. In certain applications, however, it is also possible to apply the two components roughly pre-mixed and only then to mix intimately on the carrier.
  • thermoplastic liquefiable or liquid components provided. Liquefaction usually takes place through Heating in the temperature range described at the beginning.
  • the two components are separate, one on top of the other Layers applied to the carrier. Leave it separate order facilities with order parameters arrange that specifically for each applied Component are aligned. In the case of impregnation Fibrous structure, the applied component penetrates into the Fiber structures.
  • At least the first one applied is advantageous Layers solidified before applying the second layer. This is done optimally simply by cooling the layer and solidified in the process. This prevents that the second layer applied coincides with the first Layer mixed and the hardening process uncontrolled starts.
  • the second coat is also applied cool and harden. However, this is not mandatory Process condition.
  • the solidified layer or the solidified Layers liquefied again and intimately with each other mixed.
  • This is conveniently done by feeding of thermal energy, e.g. in the form of infrared radiation Radians.
  • the components can be optimally mixed simple way by applying ultrasound energy.
  • an ultrasonic resonator emits heat in the layers, which contributes to liquefaction.
  • An ultrasonic resonator can also be used with resonators another vibration frequency, e.g. electromechanical resonators use as a mixing head.
  • Suitable ultrasound resonators for generating ultrasound energy have been for many different for many years Applications in use.
  • resonators are to the Welding components, for cleaning or for cutting and seven used.
  • Suitable resonators are e.g. of offered and distributed by Telsonic, Bronschhofen, Switzerland.
  • the power required depends on the amount of applied two-component agent, the conveying speed, the thickness and the weight of the wearer and the possible pre-liquefaction of the components.
  • the required Performance is easy to determine experimentally, in which a coated carrier with a resonator for the period of time is brought into contact. By slow line increase the point can be determined occurs when the two components are optimally mixed.
  • impregnation processes and devices observe at what power the ultrasonic resonator the two components penetrate the wearer optimally.
  • the desired one set the optimum temperature for the component and thus control the viscosity. It is particularly advantageous it when the two components have different condensing temperatures exhibit.
  • the ultrasonic resonator can be completely generally also with thermoplastic, solvent-containing, heat-reactive or otherwise curable impregnating agents and not just with two-component systems use.
  • the resonator does not serve as Mixing head but only for "liquefying" and intimate incorporation of the agent in the web and to drive out Bubbles.
  • A is used in a first process stage Carrier 1 provided.
  • process stage B is on the carrier 1 a first layer 2 of a two-component impregnation or coating agent applied.
  • the Layer 2 cools and solidifies before in the process stage C on the first layer 2, a second layer 3 consisting of the second component of the two-component agent is applied.
  • the two layers 2 and 3 intimately mixed with each other, so that a curing Layer 4 of the two-component impregnating or coating agent results.
  • Layer 4 can be wholly or partially penetrate into the carrier 1.
  • a web 5 is made from a carrier 1 Glass fiber fabric of an impregnation and coating device 6 fed.
  • the web 5 initially rotates a roller 7.
  • a conventional wide slot nozzle 8 provided, which from an extruder 9 Novolac hardener (Epikure DX-175 from Shell International Chemical Company).
  • the liquefied hardener penetrates the web 5, which in further process sequence performed via a cooling device 10 becomes.
  • the cooling device 10 causes the as the first layer 2 applied hardener, so that this solidified.
  • the cooling device 10 can also be omitted.
  • the web 5 via a deflection roller 11 and a roller 12 of a second Wide slot nozzle 13 supplied.
  • the slot die 13 is through a second extruder 14 with one at about 90 ° C heated epoxy resin (Epon Resin 1031 from Shell Chemical Company).
  • Epsin 1031 from Shell Chemical Company
  • the one applied as second component 3 Resin forms a separate layer on the first layer 2 of the cooled and solidified hardener. Even if the very thin resin not only on the surface first layer 2 is deposited, but also in open Cavities of the web 5 penetrates, it still forms one separate second layer on top of the already solidified one Layer 3. This is ensured by the condensing temperature of the applied as the second component 3 Polymer is much lower than the liquefaction temperature the first layer 2. The two layers can so do not mix and the polymerization process will not triggered when applied.
  • the second slot die 13 is followed by a Infrared heating device 15, with which the web 5 and the two layers 2 and 3 are heated. Subsequently a resonator 16 is provided which the web 5 and the both layers 2 and 3 with ultrasound energy acts on the components of the two layers Mix 2 and 3 together intimately and material web 5 is filled homogeneously with the two-component agent.
  • Figure 3 shows the web 5, in one embodiment 2 is used as a carrier 1 in the different process stages A to D.
  • the material web 5 penetrated by the hardener.
  • the stage C is the second layer 3 on the hardener that from the slots 13 supplied epoxy resin applied.
  • stage D layers 2 and 3 (hardener and epoxy resin) mixed and the web 5 is homogeneous with the Two-component impregnating and coating agent impregnated.
  • the resonator 16 is in accordance with FIG FIG. 2 is arranged over the entire width of the web 5, that this across the board by ultrasonic energy is applied. Since the web according to the embodiment according to Figure 2 on their top with the Layers 2 and 3 of the two components are coated, causes the action of the resonator 16 not only mixing and heating of layers 2 and 3. At the same time, the full penetration of the Material web 5 ensured by the two-component agent.
  • 1 is used as the carrier Fiber bundle 22 used, the first around a roller 23rd guided and in a heated impregnation trough 24 with the first component of a two-component agent becomes.
  • the fiber bundle 22 then runs over a second one Roller 19, wherein the applied impregnating agent cools and hardened.
  • the fiber bundle is formed by two rollers 26 and 27 22 then fed through a second impregnation trough 25, in which the second component of the two-component impregnation and coating agent is applied.
  • the fiber bundle 22 is the two further rollers 28 and 29 Resonator 16 supplied. In this case, too, the two form successively applied components of the two-component agent discrete layers.
  • Resonator 16 applied the fiber bundle 22 with such high ultrasound energy that the two components are heated, liquefied and simultaneously be mixed.
  • the mixing can also be done in two Stages and with two resonators 16a and 16b analogous to FIG. 6 respectively.
  • An electromagnetic one can also be used as the resonator 16 Transducer or other powered Use vibrator as mixing head. With such vibrators must however sufficient heat supply (e.g. by a Radiants and / or hot air or by electric heating) be taken care of before the mixing head to the two-component agent to liquefy sufficiently in front of the mixing head.
  • the device can be used both for Two-component impregnating agent as well as for one-component impregnating agent deploy.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Reinforced Plastic Materials (AREA)
  • Coating Apparatus (AREA)
  • Laminated Bodies (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Claims (21)

  1. Procédé pour appliquer un produit d'imprégnation ou de revêtement à deux composants sur un substrat, selon lequel les deux composants sont appliqués sur le substrat en couches superposées séparées, et de préférence successivement, caractérisé en ce que les composants sont tout d'abord mélangés intimement sur le substrat, puis durcis.
  2. Procédé selon la revendication 1, caractérisé en ce que
    (a) un produit d'imprégnation ou de revêtement à deux composants est préparé avec des composants thermoplastiquement liquéfiables ou liquides ;
    (b) les deux composants sont appliqués sur le substrat sous la forme de couches superposées séparées ;
    (c) la première couche appliquée, au moins, est stabilisée avant l'application de la seconde couche ;
    (d) la ou les couches stabilisées sont ensuite à nouveau liquéfiées et mélangées.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que les deux couches sont mélangées à l'aide d'énergie ultrasonique.
  4. Procédé pour imprégner un produit plan ou en faisceau, en particulier une bande de tissu ou un faisceau de fibres, selon l'une des revendications 1 à 3, avec un produit d'imprégnation à deux composants contenant un polymère qui se réticule sous l'influence d'un durcisseur, caractérisé en ce que le durcisseur et le polymère sont appliqués au moins unilatéralement sur le tissu, puis sont soumis à un champ d'énergie ultrasonique et sont ainsi chauffés, réticulés et durcis.
  5. Procédé selon la revendication 4, caractérisé en ce que
    (a) un polymère liquide ou thermoplastiquement liquéfiable à une température de liquéfaction prédéfinie assez élevée et/ou un durcisseur liquide ou thermoplastiquement liquéfiable à une température de liquéfaction assez élevée sont préparés ;
    (b) le polymère et/ou le durcisseur sont appliqués sur le tissu à l'état ramolli, au moins à leur température de liquéfaction ;
    (c) le composant appliqué en premier, au moins, est refroidi jusqu'à une température inférieure à la température de liquéfaction avant l'application du second composant, et
    (d) les deux composants sont ensuite soumis à un champ d'énergie ultrasonique, et réticulés et durcis.
  6. Procédé selon la revendication 5, caractérisé en ce que
    (a) un polymère thermoplastiquement apte à ramollir à une première température de liquéfaction est préparé comme composant ;
    (b) un durcisseur thermoplastique apte à ramollir à une seconde température de liquéfaction est préparé, les première et seconde températures de liquéfaction étant différentes ;
    (c) le composant présentant la température de liquéfaction la plus élevée est tout d'abord chauffé jusqu'à cette température et appliqué sur le tissu, puis refroidi et stabilisé ;
    (d) le second composant présentant la température de liquéfaction la plus basse est ensuite chauffé jusqu'à cette température et appliqué au-dessous de la température de liquéfaction du premier composant déjà appliqué ; et
    (e) les composants sont à nouveau liquéfiés puis exposés au champ d'énergie ultrasonique.
  7. Procédé selon l'une des revendications 4 à 6 précédentes, caractérisé en ce que le tissu est chauffé avant d'être soumis à l'énergie ultrasonique et après l'application des deux composants.
  8. Procédé selon la revendication 7, caractérisé en ce que le tissu est chauffé par une chaleur rayonnante.
  9. Procédé selon l'une des revendications 4 à 8 précédentes, caractérisé en ce qu'on prépare deux composants dont les températures de ramollissement respectives présentent une différence d'au moins 30°C et de préférence d'au moins 50°C.
  10. Procédé selon l'une des revendications 4 à 9 précédentes, caractérisé en ce qu'on applique comme premier composant un durcisseur avec une température de ramollissement d'environ 100°C, à une température de 135°C à 160°C, de préférence d'environ 150°C, et en ce qu'on applique comme second composant un polymère avec une température de ramollissement d'environ 50°C, à une température de 80°C à 110°C, de préférence d'environ 90°C.
  11. Procédé selon l'une des revendications 4 à 10 précédentes, caractérisé en ce que le tissu est revêtu sur un côté avec le polymère et le durcisseur, puis est soumis sur le côté revêtu à l'énergie ultrasonique.
  12. Procédé selon la revendication 11, caractérisé en ce que le tissu est ensuite soumis sur le côté non revêtu à l'énergie ultrasonique.
  13. Procédé selon l'une des revendications 4 à 12 précédentes, caractérisé en ce que le tissu, après le traitement ultrasonique, est soumis à un traitement thermique.
  14. Procédé selon la revendication 13, caractérisé en ce que le tissu est chauffé par une chaleur rayonnante.
  15. Procédé selon l'une des revendications 4 à 14 précédentes, caractérisé en ce que l'épaisseur du tissu imprégné est réglée après le traitement ultrasonique à une valeur apte à être prédéfinie.
  16. Installation pour la mise en oeuvre du procédé selon l'une des revendications 1 à 15 pour appliquer et réticuler un produit d'imprégnation ou de revêtement à deux composants sur un substrat (1, 5, 22), avec lequel le produit à deux composants contient un polymère qui se réticule sous l'influence d'un durcisseur, caractérisée par un résonateur ultrasonique (16, 16a, 16b) destiné à soumettre le produit d'imprégnation ou de revêtement appliqué sur le substrat (1, 5, 22) à l'énergie ultrasonique.
  17. Installation selon la revendication 16, caractérisée par un dispositif (15) pour chauffer le produit d'imprégnation ou de revêtement appliqué, avant le résonateur ultrasonique (16, 16a, 16b).
  18. Installation selon la revendication 16 ou 17, caractérisée par un dispositif (20) pour chauffer le produit d'imprégnation ou de revêtement après le résonateur ultrasonique.
  19. Installation selon l'une des revendications 16 à 18, caractérisée par un premier dispositif (7, 8, 9, 24) pour appliquer sur le substrat (1, 5, 22) une couche d'un premier composant (2) liquéfié grâce à une amenée de chaleur, par un dispositif (12, 13, 14, 25) pour appliquer le second composant (3) sur le premier composant, et par un résonateur ultrasonique (16, 16a, 16b) pour mélanger les deux couches sur le substrat (1, 5, 22).
  20. Installation selon l'une des revendications 17 à 19, caractérisée en ce que le dispositif de chauffage (15, 20) présente un radian pour émettre une énergie infrarouge.
  21. Utilisation d'un résonateur ultrasonique pour mélanger deux composants d'un produit d'imprégnation ou de revêtement à deux composants sur une bande de tissu.
EP98103901A 1998-03-05 1998-03-05 Procédé et appareil pour revêtir ou imprégner un substrat avec une composition à deux composants Expired - Lifetime EP0947253B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
AT98103901T ATE217547T1 (de) 1998-03-05 1998-03-05 Verfahren und vorrichtung zum aufbringen eines zweikomponenten-imprägnier- oder beschichtungs- mittels auf einen träger
DE59804131T DE59804131D1 (de) 1998-03-05 1998-03-05 Verfahren und Vorrichtung zum Aufbringen eines Zweikomponenten-Imprägnier- oder Beschichtungs-Mittels auf einen Träger
EP98103901A EP0947253B1 (fr) 1998-03-05 1998-03-05 Procédé et appareil pour revêtir ou imprégner un substrat avec une composition à deux composants
CN998037060A CN1292734A (zh) 1998-03-05 1999-02-24 将双组分浸渍或涂敷物质沉积在载体上的方法和装置
AU30300/99A AU3030099A (en) 1998-03-05 1999-02-24 Method and device for applying a two-component impregnating or coating agent to a substrate
KR1020007009792A KR20010041598A (ko) 1998-03-05 1999-02-24 기판에 2-성분 함침 또는 코팅 수단을 가하기 위한 방법및 장치
EP99911704A EP1060028A1 (fr) 1998-03-05 1999-02-24 Procede et dispositif permettant d'appliquer des agents d'impregnation ou de revetement a deux composantes sur un support
PCT/EP1999/001196 WO1999044753A1 (fr) 1998-03-05 1999-02-24 Procede et dispositif permettant d'appliquer des agents d'impregnation ou de revetement a deux composantes sur un support
JP2000534343A JP2002505186A (ja) 1998-03-05 1999-02-24 ２成分の含浸剤、被覆剤をキャリア上に付着する方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98103901A EP0947253B1 (fr) 1998-03-05 1998-03-05 Procédé et appareil pour revêtir ou imprégner un substrat avec une composition à deux composants

Publications (3)

Publication Number Publication Date
EP0947253A2 EP0947253A2 (fr) 1999-10-06
EP0947253A3 EP0947253A3 (fr) 1999-10-13
EP0947253B1 true EP0947253B1 (fr) 2002-05-15

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EP98103901A Expired - Lifetime EP0947253B1 (fr) 1998-03-05 1998-03-05 Procédé et appareil pour revêtir ou imprégner un substrat avec une composition à deux composants
EP99911704A Withdrawn EP1060028A1 (fr) 1998-03-05 1999-02-24 Procede et dispositif permettant d'appliquer des agents d'impregnation ou de revetement a deux composantes sur un support

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP99911704A Withdrawn EP1060028A1 (fr) 1998-03-05 1999-02-24 Procede et dispositif permettant d'appliquer des agents d'impregnation ou de revetement a deux composantes sur un support

Country Status (8)

Country Link
EP (2) EP0947253B1 (fr)
JP (1) JP2002505186A (fr)
KR (1) KR20010041598A (fr)
CN (1) CN1292734A (fr)
AT (1) ATE217547T1 (fr)
AU (1) AU3030099A (fr)
DE (1) DE59804131D1 (fr)
WO (1) WO1999044753A1 (fr)

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CA2619330C (fr) * 2005-08-18 2011-03-08 Akzo Nobel Coatings International B.V. Procede de production de substrats stratifies
KR100711902B1 (ko) * 2006-02-03 2007-04-27 엘에스전선 주식회사 초음파발생기를 구비한 초전도층 코팅장치
JP5201318B2 (ja) * 2007-10-30 2013-06-05 村田機械株式会社 フィラメントワインディング成形における樹脂付着方法と樹脂付着装置
JP5256706B2 (ja) * 2007-11-22 2013-08-07 村田機械株式会社 樹脂付着装置
CN105750167A (zh) * 2016-05-17 2016-07-13 佛山市南海区展闳机械有限公司 一种plc控制的自动涂布机

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Also Published As

Publication number Publication date
EP0947253A3 (fr) 1999-10-13
EP1060028A1 (fr) 2000-12-20
ATE217547T1 (de) 2002-06-15
CN1292734A (zh) 2001-04-25
KR20010041598A (ko) 2001-05-25
EP0947253A2 (fr) 1999-10-06
DE59804131D1 (de) 2002-06-20
WO1999044753A1 (fr) 1999-09-10
AU3030099A (en) 1999-09-20
JP2002505186A (ja) 2002-02-19

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