ES2658975T3 - Procedimiento de revestimiento con aplicación de pegamento en forma de retículo - Google Patents

Procedimiento de revestimiento con aplicación de pegamento en forma de retículo Download PDF

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ES2658975T3
ES2658975T3 ES15163382.3T ES15163382T ES2658975T3 ES 2658975 T3 ES2658975 T3 ES 2658975T3 ES 15163382 T ES15163382 T ES 15163382T ES 2658975 T3 ES2658975 T3 ES 2658975T3
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Thomas Dr. Hohberg
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Jowat Se
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Jowat Se
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    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • B32B37/1292—Application of adhesive selectively, e.g. in stripes, in patterns
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0047—Preventing air-inclusions
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
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    • B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
    • B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B32B7/14—Interconnection of layers using interposed adhesives or interposed materials with bonding properties applied in spaced arrangements, e.g. in stripes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/48—Preparation of the surfaces
    • B29C2063/483—Preparation of the surfaces by applying a liquid
    • B29C2063/485—Preparation of the surfaces by applying a liquid the liquid being an adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2655/00—Use of specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of main groups B29K2623/00 - B29K2649/00, e.g. having a vinyl group, for preformed parts, e.g. for inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2671/00—Use of polyethers, e.g. PEEK, i.e. polyether-etherketone or PEK, i.e. polyetherketone, or derivatives thereof, for preformed parts, e.g. for inserts
    • B29K2671/02—Polyalkylene oxides, e.g. PEO, i.e. polyethylene oxide, or derivatives thereof
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
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    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
    • B32B37/18—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/20—Presence of organic materials
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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Adhesive Tapes (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Paper (AREA)

Abstract

Procedimiento para la fabricación de una pieza moldeada revestida a partir de una pieza y una lámina de revestimiento incluyendo - la aplicación de un pegamento sobre la superficie de la lámina de revestimiento y/o de la pieza, - el ensamblaje de la pieza y de la lámina de revestimiento de manera que la capa del pegamento aplicado en forma de retículo está dispuesto entre la lámina de revestimiento y la pieza, y - la unión de la lámina de revestimiento con la pieza mediante extracción del aire que se encuentra entre la pieza y la lámina mediante aplicación de una presión negativa, donde el procedimiento está caracterizado por que - la aplicación de un pegamento sobre la superficie de la lámina de revestimiento y/o de la pieza se realiza en forma de retículo y por medio de la aplicación en forma de retículo del pegamento sobre la superficie se forman canales, y - el pegamento es un pegamento de fusión, que para una temperatura de procesamiento desde 90º C hasta 200º C presenta una viscosidad Brookfield desde 50 hasta 1 000 000 mPa·s.

Description

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Experimentos de comparación con una aplicación a rodillo lisa (es decir no en forma de retículo) clásica con las mismas cantidades de pegamento no muestran ningún tipo de transporte de aire horizontal sobre superficies sin relieve. Solo en zonas en las cuales las láminas debido a la geometría de la pieza y a la dinámica del proceso de
5 revestimiento prácticamente se “enrolla” sobre la pieza no pueden reconocerse ningunas inclusiones de aire. En particular todas las superficies muestran, también cuando hay numerosos agujeros, en un 20 a 80 % de las superficies, humectación y pegado defectuosos atribuible a inclusiones de aire. También los experimentos de comparación sin pegamento no muestran prácticamente ningún transporte de aire horizontal. La lámina blanda sella directamente sobre el sustrato liso.
10 Ejemplos Todas las determinaciones de los parámetros y medidas fueron realizadas, siempre que no se proporcione otra cosa, bajo las condiciones estándar usuales para el especialista, es decir a temperatura ambiente (21º C +/-1º C) y a presión atmosférica (1 atm).
15 Los experimentos siguientes se utilizó un pegamento de fusión a base de poliolefinas no reactivo de la empresa Jowat AG, Alemania (Jowat-Toptherm® 238.30).
Éste fue aplicado sobre el lado inferior de una lámina de TPO (Benecke-Kaliko/Alemania, 2 mm de espuma con 0,8
20 mm de cubierta) con ayuda de un rodillo de grabado de la empresa Hardo (Alemania) por medio de la aplicación a rodillo.
Una pieza similar a un plato (240 mm de diámetro, 50 mm de profundidad) de polioximetileno) sin relieve con agujeros de vacío a una separación de unos 2 cm en la zona del borde exterior se revistió con la lámina recubierta
25 en una instalación de revestimiento en vacío monoplaza de la empresa Kiefel (Alemania), donde el lado inferior de la lámina se calentó a 180º C, el lado superior a 140º C y la lámina se estiró en dirección longitudinal y transversal un 5%. A continuación la pieza revestida fue inspeccionada de defectos debido a inclusiones de aire así como del tamaño de la superficie revestida (para la estimación del alcance del transporte de aire a través de los canales del grabado).
30 Los resultados se proporcionan en la siguiente tabla:
Tabla
Nr.
Aplicación de pegamento Retículo del grabado Profundidad del grabado Número de agujeros de vacío Resultado del revestimiento
1
70 g/m2 2,5 mm 0,64 mm 35 agujeros (diámetro 0,5 mm) Muy bueno: sin defectos, zona de revestimiento muy grande
2
40 g/m2 1,0 mm 0,55 mm 35 agujeros (diámetro 0,5 mm) Bueno: sin defectos, zona de revestimiento grande
3
70 g/m2 Liso Liso 35 agujeros (diámetro 0,5 mm) Insuficiente: muchos defectos, zona de revestimiento muy pequeña
4
40 g/m2 Liso Liso 35 agujeros (diámetro 0,5 mm) Insuficiente: muchos defectos, zona de revestimiento muy pequeña
5
70 g/m2 2,5 mm 0,64 mm 4 agujeros (diámetro 0,5 mm) Satisfactorio: sin defectos, zona de revestimiento mediana
6
70 g/m2 2,5 mm 0,64 mm 4 agujeros oblongos (diámetro 0,5 mm x 5 mm) Bueno: sin defectos, zona de revestimiento grande
7
70 g/m2 2,5 mm 0,64 mm Sin agujeros Insuficiente: revestimiento no posible, entrada de vacío insuficiente
9

Claims (1)

  1. imagen1
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EP14164625.7A EP2933089A1 (de) 2014-04-14 2014-04-14 Kaschierverfahren mit rasterförmigem Klebstoffauftrag
EP14164625 2014-04-14

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EP (2) EP2933089A1 (es)
JP (1) JP6555917B2 (es)
KR (1) KR102414885B1 (es)
CN (1) CN104802497B (es)
CA (1) CA2886425A1 (es)
ES (1) ES2658975T3 (es)
MX (1) MX374750B (es)
PL (1) PL2933090T3 (es)
PT (1) PT2933090T (es)
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IT201600128339A1 (it) * 2016-12-19 2018-06-19 Ferrario Roberto Processo wrappatura materiali
US10507635B2 (en) 2017-01-03 2019-12-17 The Boeing Company Methods and apparatus to form venting pathways in pressure sensitive adhesives for laminate stacks
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CA2886425A1 (en) 2015-10-14
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US20150290913A1 (en) 2015-10-15
MX2015004477A (es) 2016-02-12
EP2933089A1 (de) 2015-10-21
PL2933090T3 (pl) 2018-04-30
MX374750B (es) 2025-03-06
PT2933090T (pt) 2018-01-11
CN104802497B (zh) 2017-12-15
EP2933090A1 (de) 2015-10-21
KR20150118534A (ko) 2015-10-22
EP2933090B1 (de) 2017-11-08
JP6555917B2 (ja) 2019-08-07
JP2015202696A (ja) 2015-11-16
KR102414885B1 (ko) 2022-07-01

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