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WO2024103135A1 - Laminated substrate, method for preparing a laminated substrate, and method for sublimation printing with moulding - Google Patents

Laminated substrate, method for preparing a laminated substrate, and method for sublimation printing with moulding Download PDF

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Publication number
WO2024103135A1
WO2024103135A1 PCT/BR2022/050454 BR2022050454W WO2024103135A1 WO 2024103135 A1 WO2024103135 A1 WO 2024103135A1 BR 2022050454 W BR2022050454 W BR 2022050454W WO 2024103135 A1 WO2024103135 A1 WO 2024103135A1
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WO
WIPO (PCT)
Prior art keywords
laminate
laminated substrate
layer
film
sublimation
Prior art date
Application number
PCT/BR2022/050454
Other languages
French (fr)
Portuguese (pt)
Inventor
Weber Luiz DE SOUZA CORREA
Original Assignee
De Souza Correa Weber Luiz
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by De Souza Correa Weber Luiz filed Critical De Souza Correa Weber Luiz
Priority to PCT/BR2022/050454 priority Critical patent/WO2024103135A1/en
Publication of WO2024103135A1 publication Critical patent/WO2024103135A1/en

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Classifications

    • 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
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/382—Contact thermal transfer or sublimation processes
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D17/00—Gaiters; Spats
    • A41D17/04—Puttees
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/24—Resistant to mechanical stress, e.g. pierce-proof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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

Definitions

  • the present invention is related to the field of laminated substrates that can be customized by a sublimation printing process.
  • the present invention describes a laminated product, such as a shin guard, and a process for preparing it.
  • Laminated substrates for use in sporting activities are already known in the prior art, such as those described in US 2002/188997, which show protective equipment, such as helmets and shin pads, containing a material that cures when exposed to light with a wavelength of 280-780 nm.
  • Document JP2017144662 describes laminated products with various purposes, such as protective equipment, where one of the layers of the laminate comprises fibers and/or filaments.
  • Document WO 2001/049139 describes shin guards comprising an outer layer that provides resistance, composed of fiberglass, a compressible intermediate layer and a lower layer that allows breathing.
  • the present invention describes a laminated substrate comprising: a) An upper layer of a polyester film; b) An intermediate layer of a thermal film; and c) A bottom layer of a rubberized polymer.
  • the top polyester layer is the layer that will receive the printing via sublimation, while the rubberized polymer layer will be in contact with the user, providing comfort when using the product.
  • the middle layer is intended to join the upper and lower layers when high temperature is applied.
  • An additional aspect of the present invention is a process for preparing a laminated substrate comprising the steps of: a) Assembling a laminate with: a. A top layer of a polyester film; B. An intermediate layer of a thermal film; and c. A bottom layer of a rubberized polymer; b) Apply heat and pressure in a flat thermal press, joining the laminate layers; c) Subject the laminate to cold pressing until completely cooled.
  • the laminate prepared by the above process is subsequently customized by a sublimation printing and molding process with gradual cooling, in order to maintain the integrity of the layers and curvature of the product.
  • the process comprises the steps of: d) Heating the laminate and sublimation printing of the desired image on a flat press; e) Gradual cooling in a cold press; and f) molding the part.
  • Figure 1 shows a diagram of the laminate layers, where: A - top layer of a polyester film; B - intermediate layer of a thermal film; and C - lower layer of a rubberized polymer.
  • Figure 2 shows the laminate after step c), where the layers were joined and the laminate was cooled.
  • Figure 3 shows the final part after molding and sublimation printing.
  • Figure 4 shows a front and back view of the shin guards molded according to the present invention.
  • Figure 5 shows a pair of molded shin guards already with sublimation printing.
  • Figure 6 shows a schematic of the finished shin guard on an athlete's leg.
  • the laminated substrate according to the present invention comprises: a) An upper layer of a polyester film (A); b) An intermediate layer of a thermal film (B); and c) A bottom layer of a rubberized polymer (C).
  • FIG 1 shows a schematic of the layers of the laminated substrate.
  • the top layer of polyester film (A) can be any commercially available polyester film. It is suitable because it has high resistance to high temperatures and low electrical conductivity.
  • the film is typically obtained by extrusion, using slotted dies; Then, the extruded material passes through rollers that give it the final film format.
  • the intermediate layer of thermal film (B) is composed of a thermal film based on TPU (Thermoplastic Polyurethane) and polyamides, and aims to unite the lower and upper layers of the laminate.
  • the lower rubberized polymer layer (C) is preferably composed of EVA, but any other type of polymer or rubberized material can be used. In a preferred embodiment, it is obtained through the polymerization of Vinyl Acetate monomer with Ethylene in a high pressure system, the result is a synthetic foam produced from its thermoplastic copolymer. Then cut into films of the desired thickness.
  • the thicknesses of each layer may vary, as they will be responsible for the properties of the final material, such as flexibility, hardness and resistance. Thus, a technician in the field will have no difficulty in determining the thickness of each layer once the parameters of the final product have been defined.
  • Thicknesses of 100, 125, 190, 250 and 350 microns are available on the industrial market for the top polyester layer, and the thickness available on the market is 0.5 mm for the intermediate layer.
  • the present invention further describes a process for preparing a laminated substrate comprising the steps of: a) Assembling a laminate with: a. A top layer of a polyester film (A); B. An intermediate layer of a thermal film (B); and c. A bottom layer of a rubberized polymer (C); b) Apply heat and pressure in a flat thermal press, joining the laminate layers; c) Subject the laminate to cold pressing until completely cooled.
  • the laminate prepared by the above process is exemplified in Figure 2. It is subsequently customized by a sublimation printing and molding process with gradual cooling, in order to maintain the integrity of the layers and curvature of the product.
  • the customization process comprises the steps of: d) Heating the laminate and sublimation printing of the desired image on a flat press; e) Gradual cooling in a cold press; and f) molding the part;
  • the cooling in step e) is a gradual cooling with the aim of maintaining the integrity of the union of the laminate layers, while maintaining a temperature high enough to facilitate the molding of the part into the desired shape.
  • part of the heat applied in the printing stage is used to shape the part.
  • An example of a molded part can be seen in Figures 3 and 4. Note that the color of the upper layer (A) changes from white/colorless to black, resulting from printing. Figure 5 shows the molded part and after printing.
  • the layers are subjected to pressure in a flat thermal press at a temperature of 150°C for a period of 15 seconds at a pressure of 3.03 Bar or 44 pounds/inch2 (psi).
  • the plate After pressing, the plate is subjected to cold pressing for 10 seconds, after this period it is placed in a screen printing dryer for 4 hours until it reaches complete cooling.
  • the pieces After being cut, the pieces must be surface-cleaned by applying a liquid compound of Saturated Aliphatic Hydrocarbon and Antioxidant, over the entire piece with the help of a dry, clean fabric to remove thermal film residues, finishing with a dry cloth.

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laminated Bodies (AREA)

Abstract

The present invention pertains to the field of laminated substrates that can be personalized using a sublimation printing method. The present invention particularly relates to a laminated product, such as a shin pad, and a method for preparing same.

Description

SUBSTRATO LAMINADO, PROCESSO DE PREPARO DE SUBSTRATO LAMINADO E PROCESSO DE IMPRESSÃO POR SUBLIMAÇÃO COM MOLDAGEM LAMINATED SUBSTRATE, LAMINATED SUBSTRATE PREPARATION PROCESS AND SUBLIMATION PRINTING PROCESS WITH MOLDING
Campo da Invenção Field of Invention
[001] A presente invenção está relacionada ao campo de substratos laminados que podem ser personalizados por processo de impressão por sublimação. Em especial, a presente invenção descreve um produto laminado, como uma caneleira, e um processo para seu preparo. [001] The present invention is related to the field of laminated substrates that can be customized by a sublimation printing process. In particular, the present invention describes a laminated product, such as a shin guard, and a process for preparing it.
Antecedentes Background
[002] Substratos laminados para uso em atividades esportivas já são conhecidos do estado da técnica, como por exemplo os descritos no US 2002/188997, que mostram equipamentos de proteção, como capacetes e caneleiras, contendo um material que sofre cura ao ser exposto a luz com comprimento de onda de 280-780 nm. O documento JP2017144662 descreve produtos laminados com diversas finalidades, como por exemplo, equipamentos de proteção, onde uma das camadas do laminado compreende fibras e/ou filamentos. O documento WO 2001/049139 descreve caneleiras que compreendem uma camada externa que proporciona resistência, composta de fibra de vidro, uma camada intermediária compressível e uma camada inferior que permite respiração. [002] Laminated substrates for use in sporting activities are already known in the prior art, such as those described in US 2002/188997, which show protective equipment, such as helmets and shin pads, containing a material that cures when exposed to light with a wavelength of 280-780 nm. Document JP2017144662 describes laminated products with various purposes, such as protective equipment, where one of the layers of the laminate comprises fibers and/or filaments. Document WO 2001/049139 describes shin guards comprising an outer layer that provides resistance, composed of fiberglass, a compressible intermediate layer and a lower layer that allows breathing.
[003] Os processos do estado da técnica que visam a personalização através da sublimação em peças à base de polímeros demandam tempos demasiados se comparados à presente invenção. Além disso, a presente invenção tem como diferencial a possibilidade de modelagem da peça após a sublimação. [003] State-of-the-art processes that aim at personalization through sublimation in polymer-based parts require too much time compared to the present invention. Furthermore, the present invention has the advantage of being able to model the piece after sublimation.
Sumário da invenção Summary of the invention
[004] Em um primeiro aspecto a presente invenção descreve um substrato laminado compreendendo: a) Uma camada superior de um filme de poliéster; b) Uma camada intermediária de um filme térmico; e c) Uma camada inferior de um polímero emborrachado. [004] In a first aspect, the present invention describes a laminated substrate comprising: a) An upper layer of a polyester film; b) An intermediate layer of a thermal film; and c) A bottom layer of a rubberized polymer.
[005] A camada superior de poliéster é a camada que receberá a impressão via sublimação, enquanto a camada de polímero emborrachado ficará em contato com o usuário, proporcionando conforto no uso do produto. A camada intermediária tem o intuito de unir as camadas superior e inferior quando alta temperatura é aplicada. [005] The top polyester layer is the layer that will receive the printing via sublimation, while the rubberized polymer layer will be in contact with the user, providing comfort when using the product. The middle layer is intended to join the upper and lower layers when high temperature is applied.
[006] É um adicional aspecto da presente invenção um processo de preparo de um substrato laminado compreendendo as etapas de: a) Montar um laminado com: a. Uma camada superior de um filme de poliéster; b. Uma camada intermediária de um filme térmico; e c. Uma camada inferior de um polímero emborrachado; b) Aplicar calor e pressão em prensa plana térmica, unindo as camadas do laminado; c) Submeter o laminado a uma prensagem a frio até resfriamento total. [006] An additional aspect of the present invention is a process for preparing a laminated substrate comprising the steps of: a) Assembling a laminate with: a. A top layer of a polyester film; B. An intermediate layer of a thermal film; and c. A bottom layer of a rubberized polymer; b) Apply heat and pressure in a flat thermal press, joining the laminate layers; c) Subject the laminate to cold pressing until completely cooled.
[007] O laminado preparado pelo processo acima é subsequentemente personalizado por um processo de impressão por sublimação e moldagem com resfriamento gradual, com o intuito de manter a integridade das camadas e curvatura do produto. Em especial o processo compreende as etapas de: d) Aquecimento do laminado e impressão por sublimação da imagem desejada em prensa plana; e) Resfriamento gradual em prensa fria; e f) moldagem da peça. [007] The laminate prepared by the above process is subsequently customized by a sublimation printing and molding process with gradual cooling, in order to maintain the integrity of the layers and curvature of the product. In particular, the process comprises the steps of: d) Heating the laminate and sublimation printing of the desired image on a flat press; e) Gradual cooling in a cold press; and f) molding the part.
Breve Descrição da Figuras Brief Description of Figures
[008] A Figura 1 mostra um esquema das camadas do laminado, onde: A - camada superior de um filme de poliéster; B - camada intermediária de um filme térmico; e C - camada inferior de um polímero emborrachado. [009] A Figura 2 mostra o laminado após a etapa c), onde as camadas foram unidas e o laminado foi resfriado. [008] Figure 1 shows a diagram of the laminate layers, where: A - top layer of a polyester film; B - intermediate layer of a thermal film; and C - lower layer of a rubberized polymer. [009] Figure 2 shows the laminate after step c), where the layers were joined and the laminate was cooled.
[0010] A Figura 3 mostra a peça final após moldagem e impressão por sublimação. [0010] Figure 3 shows the final part after molding and sublimation printing.
[0011] A Figura 4 mostra uma vista frontal e posterior das caneleiras moldadas de acordo com a presente invenção. [0011] Figure 4 shows a front and back view of the shin guards molded according to the present invention.
[0012] A Figura 5 mostra um par de caneleiras moldadas e já com a impressão por sublimação. [0012] Figure 5 shows a pair of molded shin guards already with sublimation printing.
[0013] A Figura 6 mostra um esquema da caneleira finalizada na perna de um atleta. [0013] Figure 6 shows a schematic of the finished shin guard on an athlete's leg.
Descrição detalhada da invenção Detailed description of the invention
[0014] Os exemplos a seguir tem o intuito apenas de exemplificar algumas das inúmeras formas de realizar a invenção, e não devem ser encarados de maneira restritiva, mas sim exemplificativa. [0014] The following examples are intended only to exemplify some of the countless ways of carrying out the invention, and should not be viewed in a restrictive manner, but rather as an example.
[0015] O substrato laminado de acordo com a presente invenção compreende: a) Uma camada superior de um filme de poliéster (A); b) Uma camada intermediária de um filme térmico (B); e c) Uma camada inferior de um polímero emborrachado (C). [0015] The laminated substrate according to the present invention comprises: a) An upper layer of a polyester film (A); b) An intermediate layer of a thermal film (B); and c) A bottom layer of a rubberized polymer (C).
[0016] A Figura 1 mostra um esquema das camadas do substrato laminado. A camada superior de filme de poliéster (A) pode ser qualquer filme de poliéster disponível no mercado. Ela é adequada por apresentar alta resistência a temperaturas elevadas e baixa condutividade elétrica. O filme é tipicamente obtido por extrusão, utilizando matrizes com fendas; em seguida, o material extrudado passa por rolos que lhe dão o formato final de filme. [0016] Figure 1 shows a schematic of the layers of the laminated substrate. The top layer of polyester film (A) can be any commercially available polyester film. It is suitable because it has high resistance to high temperatures and low electrical conductivity. The film is typically obtained by extrusion, using slotted dies; Then, the extruded material passes through rollers that give it the final film format.
[0017] A camada intermediária de filme térmico (B) é composta de filme térmico à base de composto de TPU (Poliuretano Termoplástico) e de poliamidas, e tem o objetivo de unir as camadas inferior e superior do laminado. [0018] A camada inferior de polímero emborrachado (C) é composta preferencialmente de EVA, mas qualquer outro tipo de polímero ou material emborrachado pode ser usado. Em uma realização preferencial, ela é obtida através da polimerização do monômero do Acetato de Vinila com o de Etileno em um sistema de alta pressão, o resultado é uma espuma sintética produzida a partir do seu copolímero termoplástico. Depois cortada em filmes com as espessuras desejadas. [0017] The intermediate layer of thermal film (B) is composed of a thermal film based on TPU (Thermoplastic Polyurethane) and polyamides, and aims to unite the lower and upper layers of the laminate. [0018] The lower rubberized polymer layer (C) is preferably composed of EVA, but any other type of polymer or rubberized material can be used. In a preferred embodiment, it is obtained through the polymerization of Vinyl Acetate monomer with Ethylene in a high pressure system, the result is a synthetic foam produced from its thermoplastic copolymer. Then cut into films of the desired thickness.
[0019] As espessuras de cada camada podem variar, pois elas que serão as responsáveis pelas propriedades do material final, como flexibilidade, dureza e resistência. Assim, um técnico no assunto não terá dificuldade em determinar a espessura de cada camada uma vez definidos os parâmetros de seu produto final. [0019] The thicknesses of each layer may vary, as they will be responsible for the properties of the final material, such as flexibility, hardness and resistance. Thus, a technician in the field will have no difficulty in determining the thickness of each layer once the parameters of the final product have been defined.
[0020] No mercado industrial estão disponíveis espessuras de 100, 125, 190, 250 e 350 micras para a camada superior de poliéster, e a espessura disponível no mercado é 0,5 mm para a camada intermediária. [0020] Thicknesses of 100, 125, 190, 250 and 350 microns are available on the industrial market for the top polyester layer, and the thickness available on the market is 0.5 mm for the intermediate layer.
[0021] A presente invenção descreve ainda um processo de preparo de um substrato laminado compreendendo as etapas de: a) Montar um laminado com: a. Uma camada superior de um filme de poliéster (A); b. Uma camada intermediária de um filme térmico (B); e c. Uma camada inferior de um polímero emborrachado (C); b) Aplicar calor e pressão em prensa plana térmica, unindo as camadas do laminado; c) Submeter o laminado a uma prensagem a frio até resfriamento total. [0021] The present invention further describes a process for preparing a laminated substrate comprising the steps of: a) Assembling a laminate with: a. A top layer of a polyester film (A); B. An intermediate layer of a thermal film (B); and c. A bottom layer of a rubberized polymer (C); b) Apply heat and pressure in a flat thermal press, joining the laminate layers; c) Subject the laminate to cold pressing until completely cooled.
[0022] O laminado preparado pelo processo acima está exemplificado na Figura 2. Ele é subsequentemente personalizado por um processo de impressão por sublimação e moldagem com resfriamento gradual, com o intuito de manter a integridade das camadas e curvatura do produto. Em especial o processo de personalização compreende as etapas de: d) Aquecimento do laminado e impressão por sublimação da imagem desejada em prensa plana; e) Resfriamento gradual em prensa fria; e f) moldagem da peça; [0022] The laminate prepared by the above process is exemplified in Figure 2. It is subsequently customized by a sublimation printing and molding process with gradual cooling, in order to maintain the integrity of the layers and curvature of the product. In particular, the customization process comprises the steps of: d) Heating the laminate and sublimation printing of the desired image on a flat press; e) Gradual cooling in a cold press; and f) molding the part;
[0023] O resfriamento da etapa e) é um resfriamento gradual com o intuito de mantera integridade da união das camadas do laminado, ao mesmo tempo que mantém uma temperatura elevada o suficiente que facilite a moldagem da peça no formato desejado. Assim, parte do calor aplicado na etapa de impressão é aproveitado para moldar a peça. Um exemplo de peça moldada pode ser visto nas Figuras 3 e 4. Observe que a cor da camada superior (A) muda de branco/incolor para preta, decorrente da impressão. A Figura 5 mostra a peça moldada e após impressão. [0023] The cooling in step e) is a gradual cooling with the aim of maintaining the integrity of the union of the laminate layers, while maintaining a temperature high enough to facilitate the molding of the part into the desired shape. Thus, part of the heat applied in the printing stage is used to shape the part. An example of a molded part can be seen in Figures 3 and 4. Note that the color of the upper layer (A) changes from white/colorless to black, resulting from printing. Figure 5 shows the molded part and after printing.
[0024] Com este material o processo de personalização através de sublimação se tornou único, conferindo mais brilho, resistência, leveza e a possibilidade de modelagem também exclusivo. [0024] With this material, the customization process through sublimation became unique, providing more shine, resistance, lightness and the possibility of exclusive modeling.
[0025] Essa evolução trouxe uma inovação nunca vista nos produtos disponíveis no mercado como: caneleiras para prática do futebol, protetor para futebol americano, porta copos entre outros. [0025] This evolution brought an innovation never seen before in products available on the market, such as: shin guards for football practice, protectors for American football, cup holders, among others.
Exemplo Example
[0026] Todos os materiais estão inicialmente na forma de rolos. Por isso são cortados em tamanhos iguais largura e comprimento. O laminado é montado em camadas como descrito abaixo: [0026] All materials are initially in the form of rolls. Therefore, they are cut into equal width and length sizes. The laminate is assembled in layers as described below:
• POLÍMERO EMBORRACHADO • RUBBERIZED POLYMER
• FILME TÉRMICO • THERMAL FILM
• FILME DE POLIÉSTER • POLYESTER FILM
• FILME TÉRMICO • THERMAL FILM
• FILME DE POLIÉSTER • POLYESTER FILM
[0027] E assim sucessivamente, intercalando o filme térmico e o filme de poliéster para definir a espessura final do material. É importante destacar que o laminado com polímero emborrachado, filme térmico e filme de poliéster já fazem parte do estado da técnica, por exemplo nos protetores no futebol americano, mas não proporcionam a flexibilidade e resistência do produto da presente invenção. [0027] And so on, interspersing the thermal film and the polyester film to define the final thickness of the material. It is important to highlight that the Laminated with rubberized polymer, thermal film and polyester film are already part of the prior art, for example in American football protectors, but they do not provide the flexibility and resistance of the product of the present invention.
[0028] Após montada, as camadas são submetidas à uma pressão em prensa plana térmica à uma temperatura de 150^ por um período de 15 segundos à uma pressão de 3,03 Bar ou 44 Iibras/polegada2 (psi). [0028] After assembled, the layers are subjected to pressure in a flat thermal press at a temperature of 150°C for a period of 15 seconds at a pressure of 3.03 Bar or 44 pounds/inch2 (psi).
[0029] Após a prensagem a placa é submetida à uma prensagem a frio por 10 segundos, após este período é colocado em secador serigráfico por 4 horas até atingir o resfriamento total. [0029] After pressing, the plate is subjected to cold pressing for 10 seconds, after this period it is placed in a screen printing dryer for 4 hours until it reaches complete cooling.
[0030] Após este processo o material estará pronto para ser recortado no sistema de corte e vinco através de facas com o formato desejado. Um exemplo de peça recortada está nas Figuras 2, 3 e 4. [0030] After this process, the material will be ready to be cut in the die cutting system using knives with the desired shape. An example of a cut piece is in Figures 2, 3 and 4.
[0031] Após recortadas, as peças devem ter à superfície limpa aplicando composto líquido de Hidrocarboneto Alifático Saturado e Antioxidante, sobre toda à peça com auxílio de tecido seco e limpo para retirar resíduos de filme térmico, finalizando com pano seco. [0031] After being cut, the pieces must be surface-cleaned by applying a liquid compound of Saturated Aliphatic Hydrocarbon and Antioxidant, over the entire piece with the help of a dry, clean fabric to remove thermal film residues, finishing with a dry cloth.
[0032] Após cortadas e limpas estas peças finais já estarão prontas para serem personalizadas através do sistema de sublimação, que consiste na mudança do estado sólido para o gasoso sem passar pelo líquido. Este processo é realizado em prensa térmica plana aquecida à 200^ e por um período de 25 segundos, com pressão de 6 Bar ou 86 Iibras/polegada2 (psi), utilizado papéis e tintas próprias para sublimação disponíveis no mercado onde são impressas as artes a serem personalizadas. Após personalizado e com o material ainda quente, o mesmo poderá ser modelado em outros formatos que não o plano através de moldes, e após esfriarem por completo estarão moldadas no formato da modeladora, como pode ser visto nas Figuras 3, 4, 5 e 6. [0032] After being cut and cleaned, these final pieces will be ready to be personalized through the sublimation system, which consists of changing from a solid to a gaseous state without going through a liquid. This process is carried out in a flat heat press heated to 200° for a period of 25 seconds, with a pressure of 6 Bar or 86 pounds/inch2 (psi), using paper and inks suitable for sublimation available on the market where the arts are printed. be personalized. Once personalized and with the material still hot, it can be shaped into shapes other than flat using molds, and after cooling completely, they will be molded into the shape of the molding machine, as can be seen in Figures 3, 4, 5 and 6 .

Claims

REIVINDICAÇÕES
1. Substrato laminado caracterizado por compreender: a) Uma camada superior de um filme de poliéster (A); b) Uma camada intermediária de um filme térmico (B); e c) Uma camada inferior de um polímero emborrachado (C). 1. Laminated substrate characterized by comprising: a) An upper layer of a polyester film (A); b) An intermediate layer of a thermal film (B); and c) A bottom layer of a rubberized polymer (C).
2. Substrato laminado, de acordo com a reivindicação 1, caracterizado pelo fato da camada superior (A) receber posteriormente uma impressão via sublimação. 2. Laminated substrate, according to claim 1, characterized in that the upper layer (A) subsequently receives a print via sublimation.
3. Processo de preparo de um substrato laminado como definido na reivindicação 1 ou 2 caracterizado por compreender as etapas de: a) Montar um laminado com: a. Uma camada superior de um filme de poliéster (A); b. Uma camada intermediária de um filme térmico (B); e c. Uma camada inferior de um polímero emborrachado (C); b) Aplicar calor e pressão em prensa plana térmica, unindo as camadas do laminado; c) Submeter o laminado a uma prensagem a frio até resfriamento total; d) Aquecimento do laminado e impressão por sublimação da imagem desejada em prensa plana; e) Resfriamento gradual em prensa fria; e f) moldagem da peça. 3. Process for preparing a laminated substrate as defined in claim 1 or 2, characterized in that it comprises the steps of: a) Assembling a laminate with: a. A top layer of a polyester film (A); B. An intermediate layer of a thermal film (B); and c. A bottom layer of a rubberized polymer (C); b) Apply heat and pressure in a flat thermal press, joining the laminate layers; c) Subject the laminate to cold pressing until completely cooled; d) Heating the laminate and sublimation printing of the desired image on a flat press; e) Gradual cooling in a cold press; and f) molding the part.
4. Laminado moldado caracterizado por ser obtido por um processo como definido na reivindicação 3. 4. Molded laminate characterized by being obtained by a process as defined in claim 3.
PCT/BR2022/050454 2022-11-18 2022-11-18 Laminated substrate, method for preparing a laminated substrate, and method for sublimation printing with moulding WO2024103135A1 (en)

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