WO2013127697A1 - Verwendung eines latentreaktiven klebefilms zur verklebung von eloxiertem aluminium mit kunststoff - Google Patents
Verwendung eines latentreaktiven klebefilms zur verklebung von eloxiertem aluminium mit kunststoff Download PDFInfo
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- WO2013127697A1 WO2013127697A1 PCT/EP2013/053542 EP2013053542W WO2013127697A1 WO 2013127697 A1 WO2013127697 A1 WO 2013127697A1 EP 2013053542 W EP2013053542 W EP 2013053542W WO 2013127697 A1 WO2013127697 A1 WO 2013127697A1
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- Prior art keywords
- light
- latent
- adhesive film
- use according
- plastic
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- C—CHEMISTRY; METALLURGY
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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- B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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Definitions
- the invention relates to the use of a product having at least one layer of a latent-reactive adhesive film containing a thermoplastic component containing functional groups which can react with isocyanate, and an isocyanate-containing component which is particulate in the thermoplastic component dispersed and in the Particle surface is substantially deactivated.
- the invention further relates to a method for producing a surface element having at least one adhesive layer and at least one temporary carrier or at least two adhesive layers and at least one permanent carrier, wherein at least one adhesive layer is a latent-reactive adhesive film consisting of a latent-reactive formulation comprising a thermoplastic component contains functional groups which can react with isocyanate, and an isocyanate-containing component which is present particulate dispersed in the thermoplastic component and is substantially deactivated in the region of the particle surface contains.
- thermo-sensitive adhesive tapes In modern devices of the consumer electronics often different components have to be glued together in part with only very small web widths. The bond strengths of pressure-sensitive adhesive tapes are often insufficient, so that reactive liquid adhesives are often used in these cases.
- the use of liquid adhesives has some disadvantages because it is associated with significant odor emissions.
- liquid adhesives are difficult to handle. Therefore adhesive systems are sought, which have a low vapor pressure and are available for a cleaner processing in flat form.
- heat-activatable films offer. Since thermo-sensitive substrates are to be bonded together, there is a need to offer HAF, which can be processed even at very low temperatures (T ⁇ 100 ° C).
- a bonding for which in recent years, especially in the electronics industry, such as mobile phones or so-called laptop computers, increasingly needs, is the bonding of anodized aluminum and plastic.
- Anodised aluminum is becoming more and more important as decorative material for electronic devices.
- So-called anodized or anodized aluminum, ie processed with the anodizing process aluminum is aluminum, on the surface of which an oxide protective layer was formed by anodic oxidation of the aluminum.
- the protective layer is not deposited on the workpiece, but formed by conversion of the uppermost metal layer, an oxide or a hydroxide. This therefore has a particularly good connection to the aluminum.
- a disadvantage of anodized aluminum is its thermal sensitivity. Since the aluminum oxide has a different coefficient of expansion than the aluminum itself and is brittle, the aluminum oxide layer already exhibits stress cracks at temperatures of around 100 ° C., ie the above-mentioned undesirable gaps in the protective layer are formed. Thermal stress also leads to optical defects even in this temperature range, which is undesirable in decorative elements.
- thermoplastic polyurethanes are mentioned, but not explicitly those obtained from aqueous dispersion.
- reactive resins can be used isocyanates.
- this reactive resin component is mentioned as an additional component to the thermoplastic polyurethane; the thermoplastic matrix itself is not a reactive system.
- WO 93/25599 A1 discloses formulations for latent reactive polyurethane systems which contain deactivated polyisocyanates which have reactivity at temperatures above 55 ° C. and polymers which are meltable at temperatures above 40 ° C. and can react with isocyanate. These formulations can be coated on substrates which can then be bonded. They can also be formed as a carrier-free film, which can then be laminated onto a substrate to be bonded. Adhesive systems of this type are used for joining, sealing, laminating or coating wood, plastics, metals, glass, textiles, synthetic fabrics, cardboard, paper and films. These materials are not defined more precisely. A plastic / metal combination is not mentioned. Also anodized aluminum is not mentioned. J.
- Büchner, W. Henning, Adphosion, 2007, 51 (6), 16-21 describes drying processes for aqueous latent-reactive polyurethane dispersions and pressing concepts for the bonding of two substrates.
- substrates PVC, leather and MDF (medium density wood fiber boards) are called.
- Adhesions of metal / plastic combinations are not mentioned, anodized aluminum is not listed.
- W099 / 29755 (Thomas 02) describes reactive polyurethane adhesive systems based on aqueous polyurethane dispersions.
- a thermoplastic polyurethane which still carries functional groups for a reaction with isocyanates, polyisocyanate particles which are deactivated on their surface, dispersed.
- the thermoplastic polyurethane melts.
- the isocyanate groups can react with the functional groups of the thermoplastic polyurethane.
- Suitable substrates for bonding are generally metals, plastics, glass, wood, wood composites, cardboard, films, synthetic fabrics and textiles. Neither the possibility of combining the materials is mentioned nor is anodized aluminum addressed.
- a polar plastic eg polycarbonate or PMMA
- a moisture impermeable substrate here anodized aluminum
- Composite laminates of this type are heavily stressed in damp / heat storage, as the polar plastic can absorb a considerable amount of moisture from the environment. This moisture presses on the adhesive film surface in contact with the plastic substrate. To a certain degree the adhesive film absorb moisture from the plastic and also release it to the environment.
- this moisture in a compound plastic / anodized aluminum since the adhesive film on the back wearing a moisture impermeable substrate (anodized aluminum), do not escape over the entire surface but only over the end faces. There is a risk that the adhesive film will detach locally and partially from the plastic surface, which is undesirable. It can therefore be concluded that the adhesive provides an adhesive which itself has a rather low moisture content and is not obtained from a water-based dispersion in which there is the possibility of substantial residual moisture despite drying.
- T (enamel) is the melting temperature of the thermoplastic component and T (light-off) the temperature at which the isocyanate groups of the particles dispersed in the thermoplastic component are enabled to react with the functional groups of the thermoplastic polyurethane.
- Such latent reactive adhesive films are preferably based on the so-called 1 K latent reactive polyurethane obtained from an aqueous polyurethane dispersion, preferably Dispercoll U ® from. Bayer AG.
- the latent-reactive adhesive films contain a thermoplastic component which has a melting temperature, T (enamel) and contains functional groups which can react with isocyanate, and an isocyanate-containing component which is particulate, in particular finely particulate (preferably with a particle size distribution of d 50 ⁇ 50 ⁇ , in particular ⁇ 15 ⁇ ), is dispersed in the thermoplastic component and is substantially deactivated in the region of the particle surface.
- the particles have a light-off temperature, T (light-off), for which applies T (enamel) ⁇ T (light-off).
- T (enamel) is between 35 ° C and 90 ° C, preferably between 40 ° C and 60 ° C.
- T (Anspring) is between 40 ° C and 100 ° C, preferably between 45 ° C and 90 ° C, most preferably between 45 ° C and 75 ° C.
- the latent-reactive adhesive films are preferably not tacky at room temperature in order to ensure good (re-) positioning, as has already been established for other HAF systems in processing processes.
- T (enamel) ⁇ T (light-off) is particularly preferred, since such an unintentional triggering of the crosslinking reaction in the preparation of the web-shaped adhesive product can be reliably avoided.
- thermoplastic components used are preferably those compounds which are functionalized with OH and / or NH 2 groups.
- the thermoplastic component is very preferably at least one semicrystalline polyesterurethane.
- the latent-reactive adhesive film preferably contains an anionic, high-molecular-weight polyurethane dispersion as thermoplastic component which has a melting temperature T (melt) of 35 ° C. ⁇ T (melt) ⁇ 90 ° C., in particular 40 ° C.
- Dispercoll U contains functional groups which can react with isocyanate, for example in the form of commercially available products from the above-mentioned Dispercoll U family; such as Dispercoll U53, Dispercoll U54, Dispercoll U56, Dispercoll U 8755, Dispercoll U XP 2815, Dispercoll VP KA 8758, Dispercoll U XP 2682, Dispercoll U XP 2701, Dispercoll U XP 2702, Dispercoll U XP 2710 and / or Dispercoll BL XP 2578 (Dispercoll is a registered trademark of Bayer AG).
- the latent-reactive adhesive film preferably contains toluene diisocyanate compounds (TDI compounds), such as Dispercoll BL XP 2514 (TDI dimer) and / or Aqualink U (dispersion of blocked TDI dimer) and / or isophorone diisocyanates (IPDI), such as Aqualink D (dispersion of blocked IPDI trimer) as an isocyanate-containing component which is particulate, in particular finely particulate, dispersed in the thermoplastic component and is substantially deactivated in the region of the particle surface.
- the diisocyanates are used, for example, in the form of the aqueous suspensions of the respective latent-reactive solid isocyanate.
- Aqualink is offered by the company Aquaspersions.
- anionic, high molecular weight polyurethane dispersions as a thermoplastic component (such as the aforementioned Dispercoll U products)
- the abovementioned diisocyanate products can be used as crosslinking component.
- the latent-reactive adhesive film may further contain additional formulation ingredients. These include thickeners, wetting agents, defoamers, fillers (eg thermally conductive), pigments, catalysts, anti-aging agents, light stabilizers and other polymers for setting special adhesive properties. Special adhesive properties can be adjusted, for example, by admixing aqueous dispersions of amorphous polymers (for example polyetherurethanes or polyacrylates) and / or by admixing aqueous resin dispersions (in particular based on rosin esters).
- amorphous polymers for example polyetherurethanes or polyacrylates
- aqueous resin dispersions in particular based on rosin esters.
- Adhesive products with at least one layer of a latent-reactive adhesive film according to the above definition are surprisingly suitable for the bonding of anodized aluminum and plastic, although the polyure- Than raw materials are obtained from aqueous dispersion and the system thus may have additional water that would actually counteract the stability and durability of the adhesive bond.
- at least one layer of a latent-reactive adhesive film is used with a layer thickness between at least 10 ⁇ m and at most 500 ⁇ m, preferably between at least 20 ⁇ m and at most 250 ⁇ m.
- the products according to the invention are double-sidedly adhesive products.
- Such products containing at least one latent-reactive adhesive film are used in the simplest case in a single-layer form, applied to a removable (temporary) support material.
- a temporary carrier material all release films and papers offer, which are known from the prior art and are equipped on one or both sides with a release layer. Siliconized papers are preferred. Papers can also be coated on one or both sides with polyethylene or polypropylene. It is also possible to use two layers of a removable carrier material so that the top and bottom sides of the adhesive film are covered, even if the product is not wound up.
- Products containing at least one latently reactive adhesive film may additionally contain a further carrier material which remains in the product even after bonding (permanent carrier).
- Foils and papers as well as scrims, woven and knitted fabrics are also suitable for this purpose.
- the surfaces of these support materials can each independently chemically (primer, plasma) and / or physically (corona, flame, plasma) be pretreated so that a particularly good anchoring of the latent-reactive adhesive film on the substrate can be achieved.
- Nonwovens are preferred.
- a layer of a permanent carrier reduces any tendency of the adhesive film to be squeezed laterally out of the bond line in the molten state under injection conditions (see DE 10 2009 006 935 A1).
- the carrier fleece used in this preferred case are sheets of individual fibers.
- all nonwovens defined according to the standard DIN EN 29092 can be used.
- the fleece consists of loosely folded fibers, which are not yet connected to each other. The strength results from the fiber's own adhesion.
- the fibers are statistically distributed.
- the nonwovens can be differentiated according to the fiber materials.
- fiber materials may mineral fibers such as glass, mineral wool or basalt, animal fibers such as silk or wool, vegetable fibers such as cotton, cellulose, chemical fibers such as polyamide, polypropylene, polyphenylene sulfide, polyacrylonitrile, polyimide, polytetrafluoroethylene, aramid or polyesters, or mixtures of the aforementioned substances are used.
- the fibers can be mechanically consolidated by needling or jetting, chemically by the addition of binders or thermally by softening in a suitable gas stream, between heated rolls or even in a vapor stream.
- nonwovens based on cellulose are used.
- the basis weight of the nonwovens is preferably between 4 and 100 g / m 2 , more preferably between 10 and 70 g / m 2 .
- Such nonwovens are commercially available, for example, from Glatfelter.
- the thickness of these nonwovens is preferably between 20 and 100 ⁇ , most preferably between 30 and 60 ⁇ .
- Adhesive products with a permanent carrier can carry different thickness latent-reactive adhesive film layers on the top and bottom and / or preferably latent-reactive adhesive film layers of different types. If various latent-reactive adhesive film layers are used, then both meet the requirements for the latently reactive adhesive films, as stated above. Also, there is the possibility that in such systems one of the adhesive layers is not latent-reactive, but e.g. thermoplastic, heat-activated and / or pressure-sensitive.
- Products containing at least one latently reactive adhesive film can also be used in two-layer or multi-layered and permanent-carrier-free form.
- the uppermost, and most preferably also the lowermost, layer is a layer of latent-reactive adhesive film, which may be different in terms of thickness and / or type. If various latent-reactive adhesive film layers are used, then both meet the requirements for the reactive latent adhesive films, as stated above. There is also the possibility that in such systems one of z. B. outer adhesive layers is not latentreept, but z. B. thermoplastic, heat activated and / or pressure sensitive. Multilayer and permanent carrier adhesive products can have thicknesses of 50 ⁇ m to 1000 ⁇ m, preferably of 75 ⁇ m to 300 ⁇ m.
- the product can be made up in web form as rolled goods, as sheet goods or as a stamped product.
- the latent-reactive adhesive films are preferably not tacky at room temperature, since the material can be made up in a very advantageous manner (eg stamped) even without a temporary carrier and can be made available for the further processing process.
- a pressure-sensitive adhesive is also conceivable and advantageous.
- Methods for preparing the formulations for latent-reactive adhesive films are, for. In WO 99/29755 A1 or EP 1 172 390 A1. There is the difficulty that the drying conditions for the aqueous dispersion must be chosen so that the latent reactive adhesive system does not start under these conditions. See for more details and a suggested solution Adhesion, 2007, 51 (6), 16-21.
- One possibility for producing the latently reactive adhesive films is the application of the aqueous dispersion to a temporary or permanent support described in WO99 / 29755 A1. The job is carried out in the conventional manner by means of doctor blade or nozzles. Afterwards it is dried. This can be done in a circulation system or in the drying channel.
- the so-called hanging drying in which the webs meandering around two rows of staggered rods are driven, so that an effective use of space in the drying at the same time high residence time in the dryer and high coating speed is achieved .
- the coating temperature is conveniently at room temperature.
- the drying temperature does not favorably exceed T (enamel). 45 ° C already sufficient for an adequate drying of an aqueous dispersion, provided that sufficient air exchange in the drying process and sufficient residence time is guaranteed in the drying unit.
- the permanent support material is laminated to the latent-reactive adhesive film consisting of adhesive layer and temporary carrier after the coating.
- the process is carried out in the heat at a temperature below the light-off temperature of the reactive system and advantageously at or above the melting temperature of the thermoplastic material. Therefore, it may be necessary to heat the latent-reactive adhesive film prior to lamination. This can be done for example by IR emitters or heating rollers.
- a carrier fleece is used, the penetration depth into the carrier fleece can be varied by selecting the temperature and the laminating pressure.
- the coating takes place on the opposite side of the carrier material.
- the first line consisting of temporary carrier, latent-reactive adhesive film and permanent carrier is laminated to the second line in the heat.
- the second line of the latent-reactive adhesive film can be made directly on the other side of the permanent carrier of the first stroke.
- the penetration depth in the carrier fleece, if used, can be varied by temperature and liner pressure. The same rules apply as for the first lamination.
- the same formulation as for the first adhesive layer can be used. It is also possible to use another latent-reactive adhesive system or to use a pressure-sensitive adhesive.
- the suitable adhesive may be selected depending on the substrate to be bonded.
- the product according to the invention is constructed in the simplest case of an adhesive layer with a temporary support. If a permanent carrier is used, at least two adhesive layers are required. In addition to this simplest structure, any other combinations with additional adhesive and / or carrier layers are conceivable. In particular, the respective adhesive layers can be protected with a temporary carrier for transport until processing.
- the use according to the invention relates to the bonding of an anodized aluminum with a plastic.
- the anodized aluminum may be compacted, uncompacted and / or colored.
- An example of an anodized aluminum is E6EV1.
- the plastic parts are based on consumer electronics components preferably on plastics that can be processed by injection molding.
- this group include, for example, ABS, PC, ABS / PC blends, PMMA, polyamides, glass fiber reinforced polyamides, polyvinyl chloride, polyvinylene fluoride, cellulose acetate, cycloolefin copolymers, liquid crystal polymers (LCP), polylactide, polyether ketones, polyetherimide, polyethersulfone, polymethacrylmethylimide, polymethylpentene, polyphenyl ether, Polyphenylene sulfide, polyphthalamide, polyurethanes, polyvinyl acetate, styrene, acrylonitrile copolymers, polyacrylates or polymethacrylates, polyoxymethylene, acrylic esters, styrene-acrylonitrile copolymers, polyethylene, polystyrene, polypropylene or polyester (eg PBT, PET).
- LCP liquid crystal polymers
- polyether ketones polyetherimide
- polyethersulfone polymethacrylmethylimide
- the components may take any shape required for the manufacture of a consumer electronic equipment component or housing. In the simplest form they are planar. Furthermore, but also 3-dimensional components are quite common.
- the components can take on a variety of functions, such as housing, viewing window or stiffening element.
- the plastics used are polycarbonate, PMMA or ABS.
- the invention thus further provides a laminate consisting of
- a double-sided adhesive product having at least one layer of a latent-reactive adhesive film which is a thermoplastic component having a melting temperature T (enamel) of 35 ° C ⁇ T (enamel) ⁇ 90 ° C, especially 40 ° C ⁇ T (enamel) ⁇ 60 ° C, and contains functional groups which can react with isocyanate, and an isocyanate-containing component which is particulate, in particular finely particulate, dispersed in the thermoplastic component and is substantially deactivated in the region of the particle surface, wherein the particles have a light-off temperature T (Anspring) of 40 ° C ⁇ T (light off) ⁇ 100 ° C, in particular 45 ° C ⁇ T (light off) ⁇ 90 ° C, more preferably 45 ° C ⁇ T (light off) ⁇ 75 ° C, and wherein T (Anspring)> T (enamel) is, contains, and
- plastic substrate The plastic parts may be painted or otherwise coated. Paints used for surface functionalization / modification of plastics are e.g. As antireflective coatings, anti-fingerprint coatings, anti-scratch coatings or decorative prints (so-called backprints). Furthermore, plastics can also be equipped with (inorganic) layers such. B. conductive layers. In particular, indium tin oxide may be mentioned here as a conductive layer. These paints and coatings are sometimes thermosensitized and therefore themselves require the use of low temperature processable adhesive products. For an exemplary application in consumer electronics articles, the adhesive products are typically further processed to diecuts with at least one layer of latent-reactive adhesive film. These are produced either by a laser cutting process, by flat bed stamping or by rotary blanking. The diecut usually has the dimension of the anodized aluminum part but may be slightly smaller to allow for light squeezing processes during the bonding process.
- the diecutting of the adhesive product with at least one layer of latent-reactive adhesive film without temporary support is manually, e.g. with the help of tweezers, positioned on the anodized aluminum part or between the components to be assembled.
- the diecut of the adhesive product is treated with at least one layer of latent-reactive adhesive film after positioning on the anodized aluminum with a heat source, thereby increasing the adhesion of the die to the anodized aluminum.
- a heat source In the simplest case can be used as a heat source, an IR emitter, an iron or a hot plate.
- the diecut is still equipped with a temporary carrier material to prevent adhesion of the adhesive film to the tool or the heat source.
- the anodized aluminum part is placed on the stamped product of the adhesive product with at least one layer of a latently reactive adhesive film. The placement takes place on the open side. On the back is still the temporary carrier material. Heat is then introduced through the anodized aluminum into the adhesive product with at least one layer of latent-reactive adhesive film by a heat source. As a result, the adhesive product becomes tacky, ie tacky, and adheres more strongly to the anodized aluminum than to the temporary support. It is heated by the anodized aluminum.
- a heating press is used in a preferred embodiment.
- the stamp of the hot press is e.g. made of aluminum, brass or bronze and is adapted in its shape usually the contours of the metal part or the dimensions of the diecut.
- usually molded parts are used, which are adapted to the contours of the components to be bonded, whereby slippage is prevented.
- guide pins in the molded part and corresponding guide holes in the temporary carrier material of the adhesive product with at least one layer of a latently reactive adhesive film By means of guide pins in the molded part and corresponding guide holes in the temporary carrier material of the adhesive product with at least one layer of a latently reactive adhesive film, the exact positioning between diecut and anodized aluminum part can be ensured. Other positioning options are conceivable.
- the anodized aluminum part with the laminated adhesive product with at least one layer of latent-reactive adhesive film is removed from the molded part. The entire process can also be converted into an automatic process.
- the invention therefore also relates to a method for bonding an anodized aluminum part to a plastic part, comprising the following steps: a) fixing the plastic component on a molding component;
- a latent-reactive adhesive film comprising a thermoplastic component having a melting temperature T (melt) of 35 ° C. ⁇ T (melt) ⁇ 90 ° C., in particular 40 ° C. ⁇ T (enamel) ⁇ 60 ° C, and contains functional groups that can react with isocyanate, and a
- Isocyanate-containing component which is particulate, in particular finely particulate, dispersed in the thermoplastic component and substantially deactivated in the region of the particle surface, wherein the particles have a light-off temperature T (light off) of 40 ° C ⁇ T (Anspring) ⁇ 100 ° C. , especially 45 ° C ⁇ T (light off) ⁇ 90 ° C, more preferably 45 ° C ⁇ T (light off) ⁇ 75 ° C, and wherein T (light-off)> T (enamel), contains, on the plastic component;
- step c) removing the bonded components from the mold component, wherein between step c) and step d) optionally still a re-cooling can be performed.
- step c) pressure and temperature are applied.
- a heating punch which consists of a material with good thermal conductivity.
- Advantageous materials are e.g. Copper, brass, bronze or aluminum. But it can also be used other metals or alloys.
- the Schupressstempel should preferably take the shape of the top of the metal part. This shape can again be 2-dimensional or 3-dimensional nature.
- the pressure is advantageously applied via a pneumatic cylinder. However, the application does not necessarily have to be done via air pressure. Also, e.g. hydraulic press devices or electromechanical actuators e.g. possible via spindles. Furthermore, it may be advantageous to apply multiple pressure and temperature, e.g. to increase the process throughput by series connection or rotation principle. In this case, the hot stamping dies do not all have to be operated at the same temperature and / or pressure. Furthermore, the contact times of the stamp can be chosen differently.
- Push-out test provides information on the bond strength of a double-sided adhesive product in the direction of the adhesive layer normal.
- a circular plastic substrate with a diameter of 21 mm is glued to the adhesive product to be examined on a metal frame.
- the metal frame has a circular hole with a diameter of 9 mm.
- the adhesive product also has a diameter of 21 mm and is cut or punched accordingly.
- the plastic substrate used is a PC board.
- the format of the metal plate dominates the format of the plastic plate, so that the composite can be placed on a lay-up table by means of the protruding portions of the metal plate.
- bonded laminates are placed in a climatic cabinet, e.g. from the company Weiss, which is operated at 60 ° C. and 95% relative atmospheric humidity. The storage period is 72 hours.
- plastic anodised aluminum laminates fulfill the stated task:
- Example 1 A latent-reactive adhesive film was prepared from 100 parts of Dispercoll U XP 2682, 13 parts of Dispercoll BL XP 2514 and 1.5 parts of Borchigel 0625. The formulation ingredients were transferred as an aqueous dispersion in a beaker with an anchor stirrer at 60 rpm mixed for a period of 15 minutes at room temperature. The solids content was adjusted to 46% by weight by adding demineralized water.
- a doctor blade was used to produce a coating on both sides of polyethylene-coated and siliconized paper using a doctor blade. Resulting flap patterns were first flashed off at room temperature for 30 min and then dried in a circulating air dryer at 45 ° C. for 20 min. The samples had a layer thickness of 100 ⁇ .
- Example 2 A latent-reactive adhesive film was prepared from 100 parts Dispercoll U XP 2702, 1 1 parts Dispercoll BL XP 2514 and 1, 5 parts Borchigel 0625.
- the formulation ingredients were as aqueous dispersion in a beaker with an anchor stirrer at 60 1 / min (60 revolutions per minute) over a period of 15 minutes at room temperature.
- the solids content was adjusted to 46% by weight by adding demineralized water.
- a doctor blade was used to produce a coating on both sides of polyethylene-coated and siliconized paper using a doctor blade. Resulting flap patterns were first flashed off at room temperature for 30 min and then dried in a convection oven at 45 ° C for 20 min. The samples had a layer thickness of 100 ⁇ .
- circular adhesive tape diecuts with a diameter of 21 mm were produced by means of a punching iron.
- One each was placed between a plastic (polycarbonate disk) and a substrate of anodized aluminum (E6EV1) and pressed in a laboratory heating press at 90 ° C stamping temperature and 3 bar for 120 s.
- the push-out test resulted for the fresh sample of 2.2 N / mm 2 and for the stored at 60 ° C and 95% humidity sample 1, 9 N / mm 2.
- Example 3 A latent-reactive adhesive film was prepared from 100 parts Dispercoll U 56, 20 parts Aqualink D and 1.5 parts Borchigel 0625.
- the formulation ingredients were prepared as an aqueous dispersion in a beaker with an anchor stirrer at 60 rpm for a period of Mixed for 15 minutes at room temperature.
- the solids content was adjusted to 46% by weight by adding demineralized water.
- a doctor blade was used to produce a coating on both sides of polyethylene-coated and siliconized paper using a doctor blade. Resulting flap patterns were first flashed off at room temperature for 30 min and then dried in a circulating air dryer at 45 ° C. for 20 min.
- the samples had a layer thickness of 100 ⁇ .
- circular adhesive tape diecuts with a diameter of 21 mm were produced by means of a punching iron.
- One was placed between a plastic (polycarbonate disk) and a substrate of anodized aluminum (E6EV1) and pressed in a laboratory heating press at 90 ° C stamping temperature and 3 bar for 240 s.
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- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
- Adhesive Tapes (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Description
Claims
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014559154A JP6163168B2 (ja) | 2012-03-01 | 2013-02-22 | 陽極酸化アルミニウムのプラスチックへの接着のための潜在的反応性接着フィルムの使用 |
| US14/380,854 US9550929B2 (en) | 2012-03-01 | 2013-02-22 | Use of a latently reactive adhesive film for adhesive bonding of eloxated aluminum to plastic |
| KR1020147027607A KR102002138B1 (ko) | 2012-03-01 | 2013-02-22 | 양극처리된 알루미늄을 플라스틱에 접착제로 결합시키기 위한 잠재 반응성 접착제 필름의 용도 |
| CN201380012046.9A CN104185664B (zh) | 2012-03-01 | 2013-02-22 | 潜在反应性胶粘膜用于将阳极化的铝与塑料胶粘的用途 |
| PL13705487T PL2820098T3 (pl) | 2012-03-01 | 2013-02-22 | Stosowanie filmu klejącego o reaktywności latentnej do klejenia aluminium eloksalowanego z tworzywem sztucznym |
| IN7293DEN2014 IN2014DN07293A (de) | 2012-03-01 | 2013-02-22 | |
| EP13705487.0A EP2820098B1 (de) | 2012-03-01 | 2013-02-22 | Verwendung eines latentreaktiven klebefilms zur verklebung von eloxiertem aluminium mit kunststoff |
| MX2014010148A MX2014010148A (es) | 2012-03-01 | 2013-02-22 | Uso de una pelicula de adhesivo reactivo latente para la union adhesiva de aluminio eloxado a plastico. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210203249 DE102012203249A1 (de) | 2012-03-01 | 2012-03-01 | Verwendung eines latentreaktiven Klebefilms zur Verklebung von eloxiertem Aluminium mit Kunststoff |
| DE102012203249.5 | 2012-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013127697A1 true WO2013127697A1 (de) | 2013-09-06 |
Family
ID=47747634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2013/053542 Ceased WO2013127697A1 (de) | 2012-03-01 | 2013-02-22 | Verwendung eines latentreaktiven klebefilms zur verklebung von eloxiertem aluminium mit kunststoff |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US9550929B2 (de) |
| EP (1) | EP2820098B1 (de) |
| JP (1) | JP6163168B2 (de) |
| KR (1) | KR102002138B1 (de) |
| CN (1) | CN104185664B (de) |
| DE (1) | DE102012203249A1 (de) |
| IN (1) | IN2014DN07293A (de) |
| MX (1) | MX2014010148A (de) |
| PL (1) | PL2820098T3 (de) |
| TW (1) | TWI582205B (de) |
| WO (1) | WO2013127697A1 (de) |
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| JP2016534185A (ja) * | 2013-07-30 | 2016-11-04 | エイチ.ビー.フラー カンパニー | ポリウレタン接着フィルム |
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- 2013-02-22 US US14/380,854 patent/US9550929B2/en not_active Expired - Fee Related
- 2013-02-22 MX MX2014010148A patent/MX2014010148A/es unknown
- 2013-02-22 EP EP13705487.0A patent/EP2820098B1/de active Active
- 2013-02-22 KR KR1020147027607A patent/KR102002138B1/ko not_active Ceased
- 2013-02-22 JP JP2014559154A patent/JP6163168B2/ja not_active Expired - Fee Related
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| EP3027668B1 (de) | 2013-07-30 | 2019-09-04 | H. B. Fuller Company | Polyurethanhaftfolie |
| EP3027668B2 (de) † | 2013-07-30 | 2023-05-17 | H. B. Fuller Company | Polyurethanhaftfolie |
| JP2016534185A (ja) * | 2013-07-30 | 2016-11-04 | エイチ.ビー.フラー カンパニー | ポリウレタン接着フィルム |
| EP3110898B2 (de) † | 2014-02-26 | 2022-06-15 | H. B. Fuller Company | Klebrige, hitzehärtbare und mehrschichtige klebefilme |
| CN107107548A (zh) * | 2014-10-31 | 2017-08-29 | 德莎欧洲公司 | 使用潜在反应性胶粘剂膜粘结两个基底 |
| CN114393887A (zh) * | 2014-10-31 | 2022-04-26 | 德莎欧洲股份公司 | 使用潜在反应性胶粘剂膜粘结两个基底 |
| DE102014222259A1 (de) | 2014-10-31 | 2016-05-04 | Tesa Se | Verklebung zweier Substrate mittels latentreaktiver Klebefilme |
| JP2018503701A (ja) * | 2014-10-31 | 2018-02-08 | テーザ・ソシエタス・ヨーロピア | 潜在反応性接着フィルムによる2つの基板の貼付 |
| WO2016066441A1 (de) | 2014-10-31 | 2016-05-06 | Tesa Se | Verklebung zweier substrate mittels latentreaktiver klebefilme |
| DE102016201565A1 (de) | 2015-11-25 | 2017-06-01 | Tesa Se | Verklebung mit verbesserter Feucht-Wärme-Beständigkeit |
| EP3184595A1 (de) | 2015-12-22 | 2017-06-28 | tesa SE | Verfahren zur verklebung eines deckmaterials auf einem formkörper |
| EP3184594A1 (de) | 2015-12-22 | 2017-06-28 | tesa SE | Verfahren zur verklebung eines deckmaterials auf einem formkörper |
| DE102015226482A1 (de) | 2015-12-22 | 2017-06-22 | Tesa Se | Verfahren zur Verklebung eines Deckmaterials auf einem Formkörper |
| US10525633B2 (en) | 2015-12-22 | 2020-01-07 | Tesa Se | Method for bonding a cover material to a shaped article |
| US11597855B2 (en) * | 2016-06-30 | 2023-03-07 | Lohmann Gmbh & Co. Kg | Thermally activatable latently reactive adhesive film |
| WO2019105911A1 (de) | 2017-11-28 | 2019-06-06 | Tesa Se | Latent reaktiver klebefilm mit einer komponente, die die oberflächenspannung oder die grenzflächenspannung herabsetzen kann |
| DE102017221670A1 (de) | 2017-11-28 | 2019-05-29 | Tesa Se | Latent reaktiver Klebefilm enthaltend mindestens eine Substanz / einen Stoff / eine Komponente, der / die die Oberflächenspannung einer Flüssigkeit und / oder die Grenzflächenspannung zwischen zwei Phasen herabsetzen kann |
| DE102018214254A1 (de) * | 2018-08-23 | 2020-02-27 | Tesa Se | Latentreaktives Klebeprodukt |
| WO2021013671A1 (de) | 2019-07-19 | 2021-01-28 | Tesa Se | Thermisch härtbares klebeband und verfahren zum ummanteln von langgestrecktem gut, insbesondere kabelsätzen |
| DE102019210708A1 (de) * | 2019-07-19 | 2021-01-21 | Tesa Se | Thermisch härtbares Klebeband und Verfahren zum Ummanteln von langgestrecktem Gut, insbesondere Kabelsätzen |
| DE102019210708B4 (de) * | 2019-07-19 | 2025-06-26 | Tesa Se | Verwendung eines thermisch härtbaren Klebebands zum Ummanteln von langgestrecktem Gut, insbesondere Kabelsätzen |
| DE102021200580A1 (de) | 2020-11-10 | 2022-05-12 | Tesa Se | Zubereitung zur Herstellung latentreaktiver Klebmassen |
| EP4001333A1 (de) | 2020-11-10 | 2022-05-25 | tesa SE | Zubereitung zur herstellung latentreaktiver klebmassen |
| EP4632029A2 (de) | 2020-11-10 | 2025-10-15 | tesa SE | Zubereitung zur herstellung latentreaktiver klebmassen |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2820098B1 (de) | 2018-04-04 |
| JP2015513589A (ja) | 2015-05-14 |
| JP6163168B2 (ja) | 2017-07-12 |
| US20150017452A1 (en) | 2015-01-15 |
| TWI582205B (zh) | 2017-05-11 |
| KR20140133900A (ko) | 2014-11-20 |
| PL2820098T3 (pl) | 2018-07-31 |
| IN2014DN07293A (de) | 2015-04-24 |
| EP2820098A1 (de) | 2015-01-07 |
| CN104185664B (zh) | 2017-02-22 |
| CN104185664A (zh) | 2014-12-03 |
| KR102002138B1 (ko) | 2019-07-19 |
| DE102012203249A1 (de) | 2013-09-05 |
| MX2014010148A (es) | 2014-09-16 |
| US9550929B2 (en) | 2017-01-24 |
| TW201343852A (zh) | 2013-11-01 |
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