Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B44—DECORATIVE ARTS
  • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
  • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
  • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
  • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
  • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
  • B41J29/26—Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling
  • B41J29/36—Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling for cancelling or correcting errors by overprinting
  • B41J29/367—Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling for cancelling or correcting errors by overprinting sheet media carrying a pigmented transferable correction layer
• • 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
  • B41M5/10—Duplicating or marking methods; Sheet materials for use therein by using carbon paper or the like
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B44—DECORATIVE ARTS
  • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
  • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
  • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
  • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
  • B44C1/17—Dry transfer
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B44—DECORATIVE ARTS
  • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
  • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
  • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
  • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
  • B44C1/17—Dry transfer
  • B44C1/1733—Decalcomanias applied under pressure only, e.g. provided with a pressure sensitive adhesive
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B44—DECORATIVE ARTS
  • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
  • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
  • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
  • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
  • B44C1/175—Transfer using solvent
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/249921—Web or sheet containing structurally defined element or component
  • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/249921—Web or sheet containing structurally defined element or component
  • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
  • Y10T428/249978—Voids specified as micro
  • Y10T428/24998—Composite has more than two layers
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/249921—Web or sheet containing structurally defined element or component
  • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
  • Y10T428/249982—With component specified as adhesive or bonding agent
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/249921—Web or sheet containing structurally defined element or component
  • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
  • Y10T428/249982—With component specified as adhesive or bonding agent
  • Y10T428/249983—As outermost component
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/249921—Web or sheet containing structurally defined element or component
  • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
  • Y10T428/249982—With component specified as adhesive or bonding agent
  • Y10T428/249984—Adhesive or bonding component contains voids
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/249921—Web or sheet containing structurally defined element or component
  • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
  • Y10T428/249982—With component specified as adhesive or bonding agent
  • Y10T428/249985—Composition of adhesive or bonding component specified
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/249921—Web or sheet containing structurally defined element or component
  • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
  • Y10T428/249987—With nonvoid component of specified composition
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
  • Y10T428/254—Polymeric or resinous material

Definitions

• the invention relates to a multilayer, flexible transmission belt with a Subcarrier and a pressure sensitive adhesive layer, between the subcarrier and the Pressure-sensitive adhesive layer is a binder-containing transfer layer that forms the pressure-sensitive adhesive layer is more liable than the subcarrier, there is a procedure to its production as well as the use of this transmission tape in rolled up Form in a handheld device.
• the transmission band described above is evident from EP 0 318 804. His A special feature is that the binder-containing transfer layer 0.5 to 5 % By weight of a soluble cellulose derivative as a tear-off aid.
• the binder-containing The transfer layer of this tape can be clean and sharp on the surface to be covered Places or areas (including large areas) can be applied. It can be in a hand-held device in a rolled-up form for simple, fast and uniform Application to the respective substrate can be used, with a thread pulling the Pressure sensitive adhesive layer is largely excluded when torn off.
• US Pat. No. 3,413,168 discloses a self-adhesive masking tape which is in the adhesive layer hollow microspheres protruding therefrom in statistical distribution Contains diameter from 40 to 100 microns. The microspheres allow an exact Position the tape and break when pressed. This will make it Tape glued to the pad.
• JP 5814 2944 A describes a solid covering material, which contains 20 to 55% hollow microcapsules containing solvents, resin solutions or liquid resins are filled.
• the invention was therefore based on the object, the known flexible transmission band to train so that the problems described are resolved or its performance characteristics be improved.
• the transmission tape according to the invention is in particular a method suitable in which a pigment-containing plastic dispersion applied to a flexible subcarrier using customary application technologies Evaporated dispersant, then an aqueous dispersion containing a pressure sensitive adhesive according to customary application technologies on the trained transfer layer applied and then the water is evaporated, with a) the pigment-containing Plastic dispersion, a water-soluble, solid alcohol and fine hollow particles contains and / or b) the aqueous dispersion containing the pressure sensitive adhesive contains a water-soluble one contains solid alcohol and fine hollow particles.
• At least one of the two layers according to the configurations a) and b) a water-soluble, solid Alcohol It must be a solid water-soluble at room temperature Act alcohol.
• This group of alcohols includes in particular the 4-valent Alcohols such as erythritol, the 5-valent alcohols such as arabite, adonite and Xylitol, the 6-valent alcohols such as sorbitol, mannitol and dulcitol, but also alcohols with one or more further functional groups within the scope of the invention do not interfere, especially glucose and fructose, but also disaccharides, like sucrose. Sorbitol has good hygroscopic properties proven to be particularly suitable.
• the binder-containing transfer layer preferably contains about 3 to 25% by weight of water-soluble solid alcohol, in particular about 5 to 20% by weight.
• the preferred content of water soluble solid alcohol in the pressure-sensitive adhesive layer is about 1 to 40% by weight, in particular about 5 to 30 % By weight.
• Transfer belt contains fine, especially flexible hollow particles in Connection with the water-soluble, solid alcohol already discussed. This closes does not mean that the other layer is only fine hollow particles or a water-soluble, contains solid alcohol.
• the fine hollow particles are preferably spherical.
• the hollow particles have in the case of the presence in the binder-containing transfer layer preferably a diameter of about 0.3 to 10 microns, especially between about 0.3 to 5 ⁇ m.
• the void volume of the Hollow particles is about 20 to 55%, in particular about 25 to 40%.
• the fine hollow particles are flexible, water-containing Represent hollow particles of porous walls.
• the fine hollow particles usually consist of an opaque polymer. Indeed it is also possible to color this opaque polymer, this coloration being the production should be carried out by such colorants that with the colorant Transmission layer are coordinated.
• Particularly advantageous hollow spheres are those with a ratio of wall thickness: Diameter less than 0.25, especially 0.15 or less.
• 10/1987 is the use of hollow spheres of this type opaque polymers described in paints. These are in the dried paint filled with air to increase their hiding power.
• the advantageous use this hollow sphere in intermediate layers of thermosensitive papers is in the EP 0 341 715 B1. There they make a contribution to thermal insulation and Elasticity.
• those described in the literature mentioned can Hollow balls without restriction and with advantage in the context of the present invention be used.
• their walls consist of styrene resins, acrylic resins or styrene-acrylic copolymer resins.
• Ropaque in particular Ropaque OP-62 (particle diameter about 0.4 ⁇ m, wall thickness about 0.06 ⁇ m), Ropaque HP-91 (particle diameter about 1 ⁇ m, wall thickness about 0.1 ⁇ m) (each sold by the Rohm and Haas Company), and Voncoat, in particular Voncoat PP-1100 (particle diameter about 0.55 to 0.5 ⁇ m, wall thickness about 0.11 to 0.12 ⁇ m) (sold by Dainippon Inc., Co., Japan).
• the subcarrier of the transmission belt according to the invention preferably consists of a plastic film, as is usually the case with the holders of typewriter ribbons is used, e.g. made of polyethylene terephthalate, polypropylene, polyethylene, Polyvinyl chloride or polycarbonate.
• a plastic film e.g. made of polyethylene terephthalate, polypropylene, polyethylene, Polyvinyl chloride or polycarbonate.
• silicone-coated paper proved to be suitable as auxiliary carriers.
• the silicone coating leads to a reduction the adhesive tension between the binder-containing transfer layer and the subcarrier. It can be replaced by other non-stick agents, such as for example through polytetrafluoroethylene.
• the auxiliary carrier preferably has a thickness of approximately 10 to 60 ⁇ m, in particular from about 15 to 55 ⁇ m, the transfer layer has a thickness of about 5 to 40 ⁇ m, in particular about 15 to 25 microns, and the pressure sensitive adhesive layer has a thickness of about 1 to 8 ⁇ m, especially about 2 to 5 ⁇ m.
• a thickness ratio of the pressure-sensitive adhesive layer to the transfer layer from about 1: 4 to 1:12, especially about 1: 8 to 1:10.
• the pressure sensitive adhesive layer can consist of commercially available pressure sensitive adhesives. These are elastic and permanently adhesive self-adhesive compositions with great adhesive forces that adhere immediately to the various surfaces even under low pressure at room temperature. They are preferably applied in aqueous dispersion to the transfer layer which is already on the auxiliary carrier, since in this way the binder layer which has already formed is not dissolved again. Among pressure-sensitive adhesives of this type, those based on acrylate are particularly advantageous.
• the starting materials can be viscous solutions or dispersions based on rubber, polyacrylates, polyvinyl ethers or polyvinyl isobutylene. Commercial materials based on polyacrylates are preferred.
• the pressure-sensitive adhesive to be applied which is initially present in an aqueous medium, preferably contains wetting agents or surfactants (sold under the trade name Byk W).
• the dispersions of the pressure-sensitive adhesive for forming the pressure-sensitive adhesive layer are preferably applied to the transfer layer in an amount of about 1 to 5 g / m 2 and very particularly preferably in an amount of about 2 to 4 g / m 2 .
• the choice of the respective Binder to form the transfer layer also the type of used Plasticizers are considered. This should be when applying the transfer layer not to the area to be corrected or covered by the normally thinly formed PSA layer penetrate and with the one to be corrected Place or the colorants located there in contact and on this causes an undesirable coloring of the transfer layer.
• plasticizers such as silicone, castor and mineral oils are suitable for this purpose.
• plasticizers such as for example phthalic acid esters or oleic alcohol are not equally suitable.
• the binder-containing transfer layer can be a so-called "Laking agent” are incorporated, the possibly migrating colorant fails or makes it insoluble so that it does not enter the applied transfer layer migrate and color them again.
• Suitable varnishes are tannins and tannin derivatives.
• varnish can be used which are contained in inks and inks. They should preferably be in a lot from about 0.5 to 5% by weight, in particular about 1.5 to 3.5% by weight, in the binder-containing Transfer layer present, the range of about 2 to 2.5 % By weight is very particularly preferred. It has been shown that the amount of plasticizer significantly reduced by the inclusion of water-containing porous hollow particles or can be dispensed with in individual cases.
• this is in each case selected binder for forming the transfer layer, preferably in a transferred aqueous solution or dispersion.
• binder for forming the transfer layer, preferably in a transferred aqueous solution or dispersion.
• Additives added if desired.
• the choice of solvent or dispersant depends on the type of binder used, but also of the material from which the hollow particles, in particular fine flexible, water-containing Hollow particles exist. The solvent must therefore neither the wall of the hollow particles still cause the water contained in the hollow particles is exchanged by this to a considerable extent. It is therefore preferred Water used as a dispersant or solvent. Basically, too other solvents are used, provided they meet the requirements mentioned above fulfill.
• These include, in particular, low to medium-boiling organic ones Solvents from the group of alcohols, such as ethanol, isopropanol and butanol, the Ketones, such as acetone and methyl ethyl ketone, the esters, such as methyl and ethyl acetate, aromatic hydrocarbons, such as toluene, aliphatic hydrocarbons, like gasoline with a boiling range of 70 to 140 ° C, alone or in a mixture, but especially water, alone or in a mixture with low-boiling, water-soluble organic solvents.
• Solvents from the group of alcohols such as ethanol, isopropanol and butanol
• the Ketones such as acetone and methyl ethyl ketone
• the esters such as methyl and ethyl acetate
• aromatic hydrocarbons such as toluene
• aliphatic hydrocarbons like gasoline with a boiling range of 70 to 140 ° C
• the concentration of the binder in the solution or dispersion is not essential to the invention.
• a rough guideline can be that it is between about 3 and 15% by weight, with the range of about 6 to 12% by weight being preferred.
• the solution or dispersion is preferably applied to the auxiliary carrier in an amount of about 15 to 25 g / m 2 and very particularly preferably between about 18 and 22 g / m 2 .
• the binder-containing transfer layer can contain colorants.
• colorant can be largely understood. It is supposed to be the collective name act for all coloring substances, so that dyes and Pigments, the latter also with a filler character, fall. It is said under dyes those colorants are understood that are in water, organic solvents or binders are soluble and opposed by the insoluble pigments.
• the coloring can be present immediately, but only through fluorescence in Appearance. The latter applies, for example, to fluorescent fluorescent colors. If the transmission tape according to the invention for the correction of characters and visual representations and the like is used, contains the binder Transfer layer, especially white pigments, such as titanium white, precipitated Chalk, clay or colloidal silica.
• inorganic pigments such as Hansa yellow are used as colorants (Azo pigment yellow), ocher, iron oxide red, iron oxide black, cobalt blue, ultramarine, Berlin blue, or organic pigments, such as alkali blue, phthalccyanine, azo dyes, Anthraquinones and metal complex pigments, as well as carbon blacks are used.
• organic pigments such as alkali blue, phthalccyanine, azo dyes, Anthraquinones and metal complex pigments, as well as carbon blacks are used.
• fluorescent dyes may be mentioned as examples: Blaze Orange T 15 der Dayglo, Maxilonbrillantflavin 10 GFF from Ciba Geigy, Pyranin der Bayer AG and Basonyl-Red 540 from BASF.
• the control of the optimal masking function of the transmission tape according to the invention in particular that of the binder-containing transfer layer done by the pigment content.
• the optimal pigment content depends on several Factors depend on the type of binder chosen, the pigment and the further incorporated additives. A particularly critical value or critical area cannot be specified.
• Transfer belt is a "tear-off aid".
• Soluble cellulose derivatives come in as a tear-off aid Question.
• Particularly preferred cellulose derivatives are those in organic solvents and / or water-soluble cellulose ethers, such as methyl, ethyl, hydroxyethyl, Ethyl hydroxyethyl and carboxymethyl celluloses. Cellulose esters such as cellulose acetobutyrate and propionate.
• Various other soluble cellulose derivatives are also suitable, that produce the desired effects.
• the cellulose framework is apparently important in the soluble cellulose derivative, while the introduced groups such as the Ethyl group etc., lead to the derivative formed in the particular chosen Solvent is soluble.
• the amount of the tear-off aid incorporated in the transfer layer is approximately 0.5 to 5 wt .-%, in particular about 1.5 to 3.5 wt .-%.
• the range of about 2 up to 2.5% by weight is particularly preferred.
• This information relates to the dry matter. This could also be used to optimally form the transmission layer Quantity ratio of demolition aid to binder are used.
• the ratio of demolition aid to binding agent can roughly guide here 1: 2 to 1:20 can be specified, the range from about 1: 4 to 1:10 being preferred becomes.
• these additional additives can be incorporated.
• This can be means to improve opacity, such as in particular Aluminum silicate, tinting agents such as carbon black, or around the already mentioned Laking agents, in particular for basic dyes in the form of, for example Gallic acid derivatives, e.g. Printan from Ciba Geigy.
• the materials of the individual layers of the transfer belt according to the invention described above generally meet the basic requirement that the adhesive tension (defined by the work of adhesion according to Dupre's equation, Lit .: KL Wolf “Physik und Chemie der Grenz Jerusalem", Springer Verlag 1957, p 164) between the pressure-sensitive adhesive layer and the transfer layer is larger than that between the auxiliary carrier and the transfer layer. If this is not the case in individual cases, then a suitable non-stick layer would have to be applied to the auxiliary carrier in order to meet this basic requirement. In such cases, a further requirement is regularly met, according to which the transfer layer formed on the substrate is non-adhesive to other materials that come into contact with it.
• the following adhesive tension ratios can be specified for the successful use of the transfer tape according to the invention, the symbol "S" representing the adhesive tension ratio between the different materials: S 1 paper / pressure-sensitive adhesive layer, S 2 transfer layer / pressure-sensitive adhesive layer, S 3 transfer layer / auxiliary carrier, S 4 transfer layer / Paper and S 5 adhesive layer / auxiliary carrier.
• S 1 larger than S 3
• S 2 larger than S 3
• S 5 very much smaller than S 2 and S 5 smaller than S 3
• the free surface of the transfer layer applied to a substrate, in particular paper should not show any adhesion to the outside, ie S 4 is then zero or tends towards zero.
• the applied transfer layer should therefore be non-adhesive when touched by hand or with paper.
• preferred quantitative framework conditions are also used observed for the hollow particles in the two layers a) and b). It is preferred if about 1 to 25 wt .-% hollow particles, in particular about 5 to 20 wt .-% in the binder-containing transfer layer and about 1 to 25 % By weight, in particular about 5 to 20% by weight of hollow particles. At this weight percentage Any water content is not taken into account.
• the user takes the housing in to use the transfer belt his hand and presses the one running over the end edge by means of the application foot outer (removable) tape layer against the substrate to which it is to be transferred (e.g. a printed sheet of paper to make corrections).
• the user moves the device relative to the substrate and transfers e.g. a covering layer or a fluorescent layer on the substrate, the flexible auxiliary carrier from the supply spool and wound onto the take-up spool becomes.
• the transmission band according to the invention is particularly distinguished as a correction means in the office, school and household to cover incorrect characters, from markings and graphic representations and rewriting.
• a other use of the transfer belt can be the strikingly colored marking of surfaces, fonts and / or characters.
• the transfer belt carries a a transfer layer containing colored pigment.
• Transfer tape can therefore be easily, quickly and evenly e.g. Cover layers, which contain colorants in particular, apply to substrates.
• Cover layers which contain colorants in particular, apply to substrates.
• the Transmission layer of the transmission band according to the invention is transparent, that is contains no opaque pigments, for example, then it can be used for mere covering without color effect and preservation from other air effects and the like sensitive characters are used.
• the performance characteristics of the transmission tape according to the invention are particularly good extensively improved. This is how the pressure-sensitive adhesive layer becomes during longer storage, if it is largely dry, at least slightly moistened and on top of it Way improves the adhesive force if it contains the hollow particles described. By including them together with a solid alcohol in the transfer layer their cohesion is reduced and thus the demolition behavior is improved. This is done by temporary softening. The inclusion of a larger amount Common plasticizer is disadvantageous, as already shown above, because it is the cover layer would permanently soften. One of the consequences of this would be that an undesired bleeding of the covered lettering or even bleeding would occur. When writing on such a transfer layer with ink would expire. In addition, the use of fine flexible, water-containing Hollow particles that, for example, when using expensive pigments, especially titanium dioxide, the amount of pigment can be reduced can.
• aqueous dispersion for producing the colorant-containing transfer layer is produced: Aqueous acrylic dispersion (25% in water / commercial product Worleecryl® 7712W from Worlee Chemie GmbH, Hamburg) 23.42 parts by weight Lactimon® WS (alkyl ammonium salts of polycarboxylic acids and polysiloxane copolymer) 0.8 parts by weight 2-butoxyethanol 1.5 parts by weight Byk®-034 (hydrophobic, silicone-like components in mineral oil) 0.2 parts by weight Byk®-307 (polyether modified dimethylpolysiloxane copolymer) 0.02 parts by weight Sorbitol 5.00 parts by weight Silica 4.00 parts by weight Titanium dioxide 35.00 parts by weight Ivory black 0.06 part by weight aqueous dispersion of fine hollow spheres 30.00 parts by weight 100.00 parts by weight
• aqueous hollow sphere dispersion is prepared as follows:
• the above masking compound is applied with a doctor blade in an amount of 18 g / m 2 onto a siliconized paper carrier. Then the water is evaporated at about 80 ° C by passing warm air over it.
• aqueous dispersion consisting of the following constituents is then applied with a doctor blade to the surface of the colorant-containing cover layer.
• Acrylic-based pressure sensitive adhesive plastic dispersion VP 859/6 from Freihoff
• copolymer based on acrylic acid ester 57.3 parts by weight water 41.1 parts by weight ammonia 1.6 parts by weight 100.0 parts by weight
• the PSA is applied with a doctor blade in a thickness of 3 g / m 2 . Then the water portion of the PSA is evaporated at about 80 ° C by passing air over it. The water inside the hollow spheres in the transfer layer remains in it.
• the transfer tape obtained is particularly useful for covering those described on paper Characters suitable. It leads to quick and even application an immediately rewritable cover strip, the application by a commercially available hand roller. Newly applied characters are clear and, when viewed microscopically, show none in the peripheral areas Leak.
• aqueous dispersion for producing the colorant-containing transfer layer is produced: Aqueous acrylic dispersion (25% in water / commercial product Worleecryl® 7712W from Worlee Chemie GmbH, Hamburg) 20.42 parts by weight Lactimon® WS (alkyl ammonium salts of polycarboxylic acids and polysiloxane copolymer) 0.8 parts by weight 2-butoxyethanol 1.5 parts by weight Byk® - 034 (hydrophobic, silicone-containing components in mineral oil) 0.2 parts by weight Byk®-307 (polyether modified dimethylpolysiloxane copolymer) 0.02 parts by weight Sorbitol 8.00 parts by weight Silica 4.00 parts by weight Titanium dioxide 35.00 parts by weight Ivory black 0.06 part by weight aqueous dispersion of hollow spheres 30.00 parts by weight 100.00 parts by weight
• This dispersion was used in the same manner as described in Example 1 is. The same applies to the formation of the pressure sensitive adhesive layer.
• Acrylic-based pressure sensitive adhesive 50%) (plastic dispersion VP 859/6 from Freihoff) 57.3 parts by weight ammonia 1.6 parts by weight Sorbitol 10.0 parts by weight Ropaque® OP-62 LO-E (37.5%) 15.0 parts by weight 100.0 parts by weight
• the pressure-sensitive adhesive layer was formed in accordance with Example 1.
• Acrylic-based pressure sensitive adhesive 50%) (plastic dispersion VP 859/6 from Freihoff) 57.3 parts by weight ammonia 1.6 parts by weight Sorbitol 5.0 parts by weight Ropaque® OP-62 LO-E (37.5%) 15.0 parts by weight 100.0 parts by weight
• the pressure-sensitive adhesive layer was formed in accordance with Example 1.

Landscapes

• Adhesives Or Adhesive Processes (AREA)
• Adhesive Tapes (AREA)
• Laminated Bodies (AREA)
• Decoration By Transfer Pictures (AREA)
• Details Of Aerials (AREA)
• Medicinal Preparation (AREA)
• Belt Conveyors (AREA)
• Pens And Brushes (AREA)
• Materials For Medical Uses (AREA)
• Manufacturing Of Electric Cables (AREA)
• Auxiliary Devices For And Details Of Packaging Control (AREA)

Applications Claiming Priority (3)

Publications (2)

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Family Cites Families (14)

• 1996
  • 1996-02-23 CZ CZ972858A patent/CZ285897A3/cs unknown
  • 1996-02-23 KR KR1019970706429A patent/KR19980703021A/ko active IP Right Grant
  • 1996-02-23 AT AT96904856T patent/ATE174270T1/de not_active IP Right Cessation
  • 1996-02-23 DE DE59600968T patent/DE59600968D1/de not_active Expired - Fee Related
  • 1996-02-23 EP EP96904856A patent/EP0814963B1/de not_active Expired - Lifetime
  • 1996-02-23 RU RU97117168/12A patent/RU2155676C2/ru not_active IP Right Cessation
  • 1996-02-23 US US08/913,399 patent/US5891562A/en not_active Expired - Fee Related
  • 1996-02-23 WO PCT/EP1996/000757 patent/WO1996028308A1/de active IP Right Grant
  • 1996-02-23 JP JP8527205A patent/JPH11502477A/ja active Pending
  • 1996-02-23 BR BR9607353A patent/BR9607353A/pt not_active IP Right Cessation
  • 1996-02-23 AU AU48800/96A patent/AU692366B2/en not_active Ceased
  • 1996-02-23 CA CA002215388A patent/CA2215388A1/en not_active Abandoned
  • 1996-02-23 DE DE19606839A patent/DE19606839C2/de not_active Expired - Fee Related
  • 1996-03-13 ZA ZA962019A patent/ZA962019B/xx unknown
  • 1996-03-14 CR CR5280A patent/CR5280A/es unknown
  • 1996-04-11 TW TW085104273A patent/TW306896B/zh active
• 1997
  • 1997-08-05 NO NO973603A patent/NO309182B1/no not_active IP Right Cessation
  • 1997-09-12 FI FI973672A patent/FI105087B/sv active

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