JP3109649U - Coextrusion multilayer foam composite board - Google Patents

Abstract

A coextruded multilayer foam composite board is provided.
SOLUTION: A hard plastic layer 53, 54 is installed on one side or both sides of a foamed layer 60 by a multi-layer coextrusion method, or a hard plastic layer or a material having various different characteristics is utilized by using bonding layers 51, 52. It is characterized by having installed.
[Selection] Figure 5

Description

  The present invention relates to a co-extruded multilayer foam composite board, and in particular, a hard plastic layer or a bonding layer is directly co-extruded on the surface of the foam layer during the molding process, and at the same time, depending on actual needs, a hard plastic layer may be formed on the bonding layer. The present invention relates to a co-extruded multi-layer foam composite board in which a layer is co-extruded or coated with various different properties of material.

  There are quite a few well-known plastic boards (non-foamed) on the market today, and for example files, albums, various different cases, document bags, suitcases, food packaging containers, automobile cushions, building materials, and even exercise equipment. Are widely used in various different products.

Usually, the density of these plastic plates exceeds 0.9 g / cm ^3, and the product produced becomes heavy and difficult to process, the material cost increases, and it does not have a heat insulation function. If a traditional foam board (single layer) is used, the manufacturing cost can be reduced, but the strength of the board material is greatly reduced. If cross-linked foam is used, the waste material (product waste) cannot be recovered and regenerated, and the board surface Not as beautiful as non-foamed board. When a foamed plate and a non-foamed plate are joined (cold joining) using joining technology, the manufacturing cost becomes very high and environmental pollution is formed (adhesive is used as an adhesive layer).

  The invention is lightweight, high-strength, has a beautiful surface, can be made of recyclable materials, and can be woven, metal, ceramic, wood board, etc. It is an object of the present invention to provide a foamed composite material formed by thermal bonding.

  As a technical means for achieving the above-mentioned object of the present invention, a coextrusion multilayer foam composite is formed by forming a structure of 2 to 5 layers (including one foam layer) on one or both sides of the foam layer by a coextrusion method. The structure of the board solves the problem of pollution of the environment in the known technology because the board is too heavy, expensive, not heat-insulating, the board surface is rough, cannot be recovered and reused. When actually produced on a test using polypropylene and polyethylene materials, it was completely consistent with the principle and achieved the expected effects.

The invention of claim 1 is a coextruded multilayer foamed composite board, characterized in that a hard plastic layer formed by coextrusion is provided on one surface of the foamed layer.
The invention of claim 2 is a co-extrusion multilayer foam composite board according to claim 1, wherein a bonding layer formed by coextrusion is provided between the foam layer and the hard plastic layer. It is a foamed composite board.
The invention of claim 3 is the co-extruded multilayer foam composite board according to claim 1, wherein a bonding layer formed by co-extrusion is provided on each of the two surfaces of the foam layer, and the co-extrusion is formed on the surface of one of the bonding layers. A coextruded multilayer foamed composite board is provided, which is provided with a hard plastic layer formed by the above method.
The invention of claim 4 is the co-extrusion multilayer foam composite board according to claim 1, wherein a hard plastic layer is provided by coextrusion on each of two surfaces of the foam layer. It is said.
The invention of claim 5 is the co-extruded multilayer foam composite board according to claim 4, wherein a bonding layer formed by co-extrusion is provided between the foam layer and each hard plastic layer. It is an extruded multilayer foam composite board.
The invention of claim 6 is characterized in that a co-extruded multi-layer foam composite comprising a bonding layer formed by coextrusion on one surface of a foam layer, and a single layer of material bonded to the surface of the bonding layer. It is a board.
The invention of claim 7 is the co-extruded multilayer foam composite board according to claim 6, wherein a bonding layer formed by co-extrusion is provided on each of the two surfaces of the foam layer, and the material is integrally formed on the surface of each bonding layer. It is a co-extruded multilayer foam composite board characterized by being bonded.
The invention of claim 8 is a co-extruded multilayer foamed composite board according to claim 6 or 7, characterized in that the material is a flexible material.
The invention of claim 9 is a coextruded multilayer foamed composite plate according to claim 6 or 7, wherein the material is a non-flexible material.
The invention of claim 10 is the coextruded multilayer foamed composite board according to any one of claims 1 to 7, wherein the foam layer and the hard plastic layer are polyethylene, polypropylene, acrylonitrile-butadiene-styrene (ABS), polystyrene, A co-extruded multilayer foam composite board characterized by being made of polyvinyl chloride, polycarbonate, or polyethylene terephthalate.

  The invention is lightweight, high-strength, has a beautiful surface, can be made of recyclable materials, and can be woven, metal, ceramic, wood board, etc. A co-extruded multilayer foamed composite plate obtained by thermal bonding is provided.

  FIG. 1 shows a cross-section of a co-extruded bi-layer foam composite plate of the present invention. The co-extruded bi-layer foam composite plate 1 includes a foam layer 10 and one hard plastic layer 11 integrally co-extruded on one surface of the foam layer 10.

  FIG. 2 shows a cross section of the coextruded three-layer foam composite plate of the present invention. The co-extruded three-layer foam composite plate 2 includes an intermediate foam layer 20 and hard plastic layers 21 and 22 that are integrally co-extruded on both sides of the foam layer 20.

  FIG. 3 shows a cross section of the co-extruded four-layer foam composite plate of the present invention. The co-extruded four-layer foam composite plate 3 includes an intermediate foam layer 30 and bonding layers 31 and 32 that are integrally co-extruded on both surfaces of the foam layer 30, and a hard material that is integrally co-extruded on one surface of the bonding layer 31. A plastic layer 33 is provided.

  FIG. 4 shows a cross section of the coextruded five-layer foam composite plate of the present invention. The co-extruded five-layer foam composite plate 4 is integrally co-extruded on one side of each of the bonding layers 41 and 42, and the bonding layers 41 and 42 integrally co-extruded on both sides of the intermediate foam layer 40 and the foam layer 40, respectively. Hard plastic layers 43, 44.

  FIG. 5 shows a cross section of the foamed composite sheet material 5 in which different materials are joined to the outside of the coextruded three-layer foamed composite sheet of the present invention. That is, the bonding layers 51 and 52 are co-extruded integrally on both surfaces of the foam layer 50 and the foam layer 50, and materials 53 and 54 having different characteristics are integrally formed on one surface of each of the bonding layers 51 and 52 (for example, woven fabric, A flexible material such as a metal plate or a non-flexible material such as a plastic plate, a fiber plate, a wood plate, a bamboo plate, or a ceramic plate) is joined.

  The present invention in which the above-mentioned parts are combined provides a kind of co-extruded multilayer foam composite board, and its actual operation application is as follows.

  6, 7, 8, and 9 show the two-layer, three-layer, four-layer, and five-layer coextrusion equipment of the present invention. The present invention is formed by combining an existing coextrusion equipment with a foaming principle. The current coextrusion equipment uses a plurality of extruders, and further, a flow divider 60 and a forming roll 70 are combined. The flow divider 60 is provided with flow paths 61, 62, 63, 64, 65 depending on the number of layers of the coextrusion. It has been.

  FIG. 10 shows a production facility for a foamed composite board in which a flexible material is joined to the outside of the coextruded three-layer foamed composite board of the present invention. When the present invention is continuously produced, the materials 53 and 54 are flexible (for example, woven fabric, metal plate), and therefore, continuous production can be employed.

  FIG. 11 shows a manufacturing facility for a foamed composite board material in which a non-flexible material is joined to the outside of the coextruded three-layer foamed composite board of the present invention. When the present invention is batch-produced, the co-extruded three-layer foam composite plate 5 ′ is composed of an intermediate foam layer 50 ′ and bonded layers 51 ′, 52 ′ integrally co-extruded on both sides of the foam layer 50 ′. And non-flexible materials 53 ′ and 54 ′ (for example, a plastic plate, a fiber plate, a wood plate, a bamboo plate, and a ceramic plate) integrally joined to the outer surfaces of the bonding layers 51 ′ and 52 ′. The materials 53 'and 54' are non-flexible and therefore need to employ batch production.

  Taken together, the present invention provides a kind of co-extruded multilayer foam composite board, and when the present inventors actually completed the manufacturing and repeated operation tests, the expected working effects of the present invention were surely achieved. The present invention is a novel idea so far and has industrial utility value.

It is sectional drawing of the co-extrusion two-layer foam composite board of this invention. It is sectional drawing of the co-extrusion three-layer foam composite board of this invention. It is sectional drawing of the co-extrusion four-layer foam composite board of this invention. It is sectional drawing of the co-extrusion five-layer foam composite board of this invention. It is sectional drawing of the foam composite board | plate material which joined the various different raw material to the outer surface of the coextruded three-layer foam composite board of this invention. It is a display figure of the two-layer coextrusion equipment of this invention. It is a display figure of the three-layer coextrusion equipment of this invention. It is a display figure of the four-layer coextrusion equipment of this invention. It is a display figure of the five-layer coextrusion equipment of this invention. It is a display figure of the manufacturing equipment of the foam composite board | plate material which joined the flexible raw material to the outer surface of the coextruded three-layer foam composite board of this invention. It is a display figure of the manufacturing equipment of the foam composite board | plate material which joined the non-flexible material to the outer surface of the coextruded three-layer foam composite board of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Coextruded two-layer foam composite board 10 Foam layer 11 Hard plastic layer 2 Coextrusion three-layer foam composite board 20 Foam layer 21 Hard plastic layer 22 Hard plastic layer 3 Coextrusion four-layer foam composite board 30 Foam layer 31 Bonding layer 32 Bonding Layer 33 Hard plastic layer 4 Co-extruded five-layer foam composite plate 40 Foam layer 41 Bond layer 42 Bond layer 43 Hard plastic layer 44 Hard plastic layer 5 Foam composite plate material 50 in which different materials are bonded to the outside of the co-extruded three-layer foam composite plate Foamed layer 51 Bonded layer 52 Bonded layer 53 Material 54 Material 5 ′ Foamed composite plate material 50 ′ obtained by bonding different materials to the outside of the co-extruded three-layer foamed composite plate Foamed layer 51 ′ Bonded layer 52 ′ Bonded layer 52 ′ Bonded layer 53 ′ Material 54 ′ material 60 Flow splitter 61 Current path 62 Current path 63 Current path 64 Current path 65 Current path 70 Forming roll

Claims (10)

  A co-extruded multilayer foam composite board, characterized in that a hard plastic layer formed by co-extrusion is provided on one surface of a foam layer.   The coextruded multilayer foamed composite board according to claim 1, wherein a bonding layer formed by coextrusion is provided between the foamed layer and the hard plastic layer.   2. The coextruded multilayer foam composite plate according to claim 1, wherein a bonding layer formed by coextrusion is provided on each of two surfaces of the foam layer, and a hard plastic layer formed by coextrusion on the surface of one of the bonding layers. A co-extruded multilayer foam composite board, characterized in that   The coextruded multilayer foamed composite board according to claim 1, wherein a hard plastic layer is provided on each of two surfaces of the foamed layer by coextrusion.   5. The co-extruded multilayer foam composite plate according to claim 4, wherein a bonding layer formed by co-extrusion is provided between the foam layer and each hard plastic layer.   A co-extruded multilayer foam composite board, wherein a bonding layer formed by co-extrusion is provided on one surface of a foam layer, and one layer of material is bonded to the surface of the bonding layer.   The co-extruded multilayer foam composite plate according to claim 6, wherein a bonding layer formed by co-extrusion is provided on each of two surfaces of the foam layer, and a material is integrally bonded to the surface of each bonding layer. Co-extrusion multilayer foam composite board.   8. The co-extruded multilayer foam composite plate according to claim 6 or 7, wherein the material is a flexible material.   8. The co-extruded multilayer foam composite plate according to claim 6 or 7, wherein the material is a non-flexible material. The co-extruded multilayer foam composite plate according to any one of claims 1 to 7, wherein the foam layer and the hard plastic layer are polyethylene, polypropylene, acrylonitrile-butadiene-styrene (ABS), polystyrene, polyvinyl chloride, polycarbonate, polyethylene. A co-extruded multilayer foamed composite board characterized by being terephthalate.

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