KR20190004984A - Functional foam composition for insole and preparing method of functional insole with free adhesive multi-layer using the same - Google Patents
Functional foam composition for insole and preparing method of functional insole with free adhesive multi-layer using the same Download PDFInfo
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- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
- B29C44/06—Making multilayered articles
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- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/56—After-treatment of articles, e.g. for altering the shape
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- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/60—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
- B29D35/14—Multilayered parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
- B29D35/14—Multilayered parts
- B29D35/142—Soles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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Abstract
Description
The present invention relates to a foam composition for functional insole and a method for manufacturing an adhesiveless multi-layer functional insole using the same.
Conventional functional insole is formulated using various polymers, blowing agents, crosslinking agents, etc. → Foaming (vulcanization) → Horizontal / Vertical / Profile cutting → Dyeing and functional foaming adhesive application → Foam lamination and pressing → Heating → Forming → cutting process.
In order to introduce various functional foams, the respective functional foams are subjected to individual foaming / cutting and bonding processes, resulting in long manufacturing time and complicated manufacturing processes.
Specifically, conventionally, in order to impart respective functions, the compositions are different and the foaming (vulcanizing) conditions are different. Since the foaming rate and the shrinkage ratio of the foam are different after foaming, the respective functional foams are bonded with an adhesive There is a problem in that the manufacturing time is considerably long since the insole must be manufactured.
In addition, when manufacturing conventional functional insole, each functional foam is manufactured and subjected to a post-cutting adhesion process in accordance with the shape. In the bonding process, there is a risk of fire due to handling of flammable material, In case of contact with skin, skin trouble, possibility of carcinogen is high, and long-term exposure may cause serious damage to health. In addition, there is a problem that the discharge of the solvent causes post-treatment costs and corrosion of the peripheral equipment, thereby reducing the life of the equipment.
Therefore, the manufacturing time can be shortened by using various functional foams, and research and development of an environmentally friendly method for manufacturing an adhesiveless multi-layer functional insole is urgently required.
It is an object of the present invention to provide a method of manufacturing a multi-layer functional insole in a non-stick manner by using a press in order to replace the manufacturing method of the insole manufactured by the post-cutting adhesion process in accordance with the shape of each conventional functional foam, .
In order to achieve the above object, the present invention provides a thermoplastic resin composition comprising 10 to 40% by weight of an ethylene-vinyl acetate copolymer resin or an ethylene-alpha-olefin copolymer resin, ethylene-vinyl acetate copolymer 5 to 15% by weight of an ethylene /? - olefin copolymer interlayer mixture resin, 40 to 70% by weight of a foam polymer, 1 to 10% by weight of a rubber, 2 to 3% by weight of a foaming rate controlling agent, 1 to 2% by weight of a tackifier, 3 to 7% by weight of a blowing agent, 0.5 to 1.5% by weight of a crosslinking agent; And 0.1 to 0.5% by weight of a crosslinking auxiliary.
The present invention also relates to a method for preparing a sheet, comprising: preparing two or more sheets using the composition; Stacking the at least two sheets; Introducing the laminated sheet into a press and foaming to prepare a multilayer functional foam; Molding the multi-layer functional foam; And cutting and shaping the molded multilayer functional foam to produce a multi-layer functional insole.
The foam composition for a functional insole according to the present invention and the method for manufacturing an adhesiveless multi-layered functional insole using the same can improve harmful operations, remove toxic substances in the insole, improve physical properties, shorten the manufacturing process, .
In addition, the non-adhesive multi-layer functional insole manufactured by the present invention improves the fit feeling when shoes are worn because the multi-layered functional layers have different functions.
Functional Insole can reduce foot pain and burden of ankle joint caused by weight gain during walking or exercise, and it is manufactured by using two or more foam to increase the effect, The impact of the soles of the sole is relieved in the impact absorbing layer, the compressive restoring force is increased in the elastic layer secondarily, and the arch and heel shape are well maintained in the base layer, so that the walking is smoothly performed by distributing the load distribution .
In addition, the conventional insole has a problem that the sweat generated during walking is used as a fabric and causes the smell when worn for a long time, and the adhesive force between the fabric and the foam layer during washing deteriorates to deteriorate the service life. However, It can have various functions with diversity, and can be easily cleaned when sweating or smelling after walking. In case of people who have dry feet, moisturizing effect may be caused and it may cause cracking or keratinization.
1 is a schematic diagram schematically showing a conventional method for manufacturing an insole;
2 is a schematic view schematically showing a method for manufacturing an adhesiveless multi-layer functional insole according to the present invention;
FIG. 3 is a view for comparing processes of a conventional insoluble manufacturing method and a non-adhesive multi-layer functional insole according to the present invention;
Figure 4 schematically illustrates the step of preparing two or more sheets using the composition of the present invention; And
Figure 5 is a schematic representation of the preparation of the multi-layer functional foam of the present invention.
Hereinafter, the foam composition for a functional insole according to the present invention and a method for manufacturing an adhesiveless multi-layer functional insole using the foam composition will be described in detail.
The inventors of the present invention have made it clear that the non-adhesive multi-layer functional insole can be produced by minimizing the process by preparing a multilayer functional foam by single foaming process after sheeting various functional foam compositions.
The present invention relates to an ethylene-vinyl acetate copolymer resin, or an ethylene-alpha-olefin copolymer resin, comprising 10 to 40% by weight of an ethylene-vinyl acetate copolymer or an ethylene- (1) to (3), (2), (3), (3), and (3) To 2% by weight, 3 to 7% by weight of a blowing agent, 0.5 to 1.5% by weight of a crosslinking agent; And 0.1 to 0.5% by weight of a crosslinking auxiliary.
The ethylene-vinyl acetate copolymer or the ethylene-? - olefin copolymer intermixture resin is selected from the group consisting of a polyethylene copolymer resin, a polypropylene copolymer resin, a styrene elastomer resin, an olefin block copolymer resin, and a polyolefin elastomer resin But it is not limited thereto.
The foam polymer may be any one selected from the group consisting of a polyethylene copolymer resin, a polypropylene copolymer resin, a styrene elastomer resin, an olefin block copolymer resin, and a polyolefin elastomer resin, but is not limited thereto.
The foaming rate controlling agent may be zinc oxide (ZnO), but is not limited thereto.
The additive may be, but is not limited to, stearic acid.
The blowing agent may be any one of azodicarbonamide and modified azodicarbonamide, but is not limited thereto.
The crosslinking agent may be any one selected from the group consisting of dicumyl peroxide, dibenzoyl peroxide and di-tert-butyl peroxide, but is not limited thereto .
The crosslinking aid may be any one selected from the group consisting of triallylcyanurate, triallylisocyanurate, trimethylol and propanetrimethacrylate, It is not.
The present invention also relates to a method for preparing a sheet, comprising: preparing two or more sheets using the composition; Stacking the at least two sheets; Introducing the laminated sheet into a press and foaming to prepare a multilayer functional foam; Molding the multi-layer functional foam; And cutting and shaping the molded multilayer functional foam to produce a multi-layer functional insole.
In preparing two or more sheets using the above composition, at least two sheets should be prepared by appropriately adjusting the foamability, shrinkage, and degree of crosslinking of each foam composition for a functional insole in order to produce a multi-layer functional insole.
In the step of laminating the two or more sheets, at least two resins selected from the group consisting of a polyethylene copolymer resin, a polypropylene copolymer resin, a styrene elastomer resin, an olefin block copolymer resin, and a polyolefin elastomer resin Or an ethylene-vinyl acetate copolymer or an ethylene-alpha-olefin copolymer interlayer-mixing resin and an adhesive are used to laminate two or more sheets.
The step of preparing the multilayer functional foam may be a step of putting the laminated sheet into a press and foaming at 120 to 180 ° C at a pressure of 120 to 180 kg f / cm 2 for 5 to 15 minutes to prepare a multilayer functional foam But is not limited thereto.
In the step of preparing the multi-layered functional foam, the foaming magnification can be selectively made up to 110 to 250%.
Specifically, each of the functional foams has an initial foaming ratio after foaming and a foaming ratio after cooling. In order to prepare a foam in a normal form, the foaming ratio of each foaming composition for each functional insole must be equal to the foaming ratio after cooling do.
For example, the first layer of the functional foam has an initial foaming ratio of 200%, a foaming ratio after cooling of 190%, a second layer of functional foaming has an initial foaming ratio of 190%, a foaming ratio after cooling of 185% When foaming is carried out by using the foam composition for a functional insole, the foaming defects such as warping and cracking may occur. Thus, in order to prepare a multilayered functional insole using two or more functional foams, the laminated sheet must have the same initial foaming ratio and a foaming ratio after cooling.
The method for molding the product with the multi-layer functional foam includes a heat molding method or a cooling molding method.
Specifically, the heat molding method may include molding the multi-layered functional foam into a press equipped with the molding mold, heating it to 140 to 160 ° C for 5 to 7 minutes, cooling it to room temperature, and molding.
The cooling molding method may include, but is not limited to, heating the multi-layered functional foam at 120 to 170 캜, placing it in a press equipped with a molding mold, cooling it for 2 to 5 minutes, and molding.
Specifically, in the step of molding the multi-layer functional foam, when heating is carried out according to the heat molding method or the cooling molding method, when the heat shrinkage ratios of the respective multi-layer functional foams stacked are different, warping and warping phenomena also occur.
In order to solve this problem, the crosslinking time, crosslinking temperature, crosslinking density and heat shrinkage properties of the respective foam compositions for functional insole should be the same. The interfacial peeling phenomenon of the functional foams is caused by a combination of two or more resins selected from the group consisting of a polyethylene copolymer resin, a polypropylene copolymer resin, a styrene elastomer resin, an olefin block copolymer resin and a polyolefin elastomer resin to each of the foam compositions for functional insole The interlayer delamination phenomenon can be solved by adding the ethylene-vinyl acetate copolymer or the ethylene-alpha -olefin copolymer interlayer-mixed resin and the adhesive resin.
In order to produce a multi-layer functional foam, the foam composition for each functional insole must be prepared in the same manner as the initial foam ratio, the cooling expansion ratio, the crosslinking time, the crosslinking temperature, the crosslinking density, the heat shrinkability, the interlayer resin, , And a foam composition for a functional insole manufactured as described above is sheeted to form a multilayer laminate, whereby two or more functional foams can be selectively produced.
Hereinafter, the foam composition for a functional insole of the present invention and the method for manufacturing an adhesiveless multi-layer functional insole using the same will be described in more detail with reference to the following examples. However, the present invention is not limited by these examples.
≪ Example 1 > Production of non-adhesive multi-layer functional insole
1. Preparation of Foam Composition for First Functional Insole
10 to 30% by weight of an ethylenevinylacetate copolymer resin, 5 to 15% by weight of an interlayer mixture resin in which a polyethylene copolymer resin and a styrene elastomer resin are mixed in a weight ratio of 2: 8, a polyethylene copolymer resin 1 to 10% by weight of rubber, 2 to 3% by weight of zinc oxide, 1 to 2% by weight of stearic acid, 1 to 2% by weight of tackifier, 4 to 7% by weight of azodicarbonamide 0.5 to 1.5% by weight of dicumyl peroxide; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared as the first functional insole foam composition.
2. Preparation of the foam composition for the second functional insoles
40 to 50% by weight of an ethylenevinylacetate copolymer resin, 5 to 15% by weight of an interlayer mixed resin obtained by mixing a polyethylene copolymer resin and a styrene elastomer resin in a weight ratio of 1: 9, a polyethylene copolymer resin Wherein the dicumyl peroxide is at least one selected from the group consisting of dicumyl peroxide, dicumyl peroxide, dicumyl peroxide, dicumyl peroxide, dicumyl peroxide, dicumyl peroxide, 0.5 to 1.5% by weight; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared.
3. Manufacture of non-adhesive multilayer functional insole
The first functional sheet and the second functional sheet were prepared from the foam composition for the first functional insole and the foam composition for the second functional insole, respectively.
The first functional sheet and the second functional sheet were laminated in a thickness ratio of 5: 5.
When the laminated functional first sheet and a functional second sheet introduced to the sheet forming die and heated to 100 ℃ cooling press at a pressure of one minute 150 kg f / cm 2 by pressing the first sheet and the second sheet are attached to each other do.
In the stacked multilayer sheet attached to the foam by press vulcanization at 155 ℃ while a pressure of 150 kg f / cm 2 10 min to prepare a multi-layered functional foam.
The multi-layer functional foam was heated at 150 ° C and the heated multi-layer functional foam was placed in a cooling press to form an insole.
The molded multi-layer functional foams were cut and scratched to produce non-adhesive multi-layer functional insole.
≪ Example 2 > Production of non-adhesive multi-layer functional insole
1. Preparation of Foam Composition for First Functional Insole
10 to 30% by weight of an ethylenevinylacetate copolymer resin, 5 to 15% by weight of an interlayer mixture resin in which a polyethylene copolymer resin and an olefin block copolymer resin are mixed in a weight ratio of 1: 9, a polyethylene copolymer resin 40 From 1 to 10% by weight of rubber, from 2 to 3% by weight of zinc oxide, from 1 to 2% by weight of stearic acid, from 1 to 2% by weight of tackifier, from 0 to 4% by weight of azodicarbonamide, 0.5 to 1.5% by weight of dicumyl peroxide; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared as the first functional insole foam composition.
2. Preparation of the foam composition for the second functional insoles
30 to 40% by weight of an ethylenevinylacetate copolymer resin, 5 to 10% by weight of an interlayer mixed resin obtained by mixing a polyethylene copolymer resin and an olefin block copolymer resin in a weight ratio of 7: 3, an olefin block copolymer resin Wherein the dicumyl peroxide is selected from the group consisting of 40 to 60 wt% zinc oxide, 2 to 3 wt% zinc oxide, 1 to 2 wt% stearic acid, 1 to 2 wt% tackifier, 4 to 6 wt% azodicarbonamide, 0.5 to 1.2% by weight of peroxide; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared.
3. Manufacture of non-adhesive multilayer functional insole
The first functional sheet and the second functional sheet were prepared from the foam composition for the first functional insole and the foam composition for the second functional insole, respectively.
The first functional sheet and the second functional sheet were laminated in a thickness ratio of 4: 6.
When the laminated functional first sheet and a functional second sheet introduced to the sheet forming die and heated to 100 ℃ cooling press at a pressure of one minute 150 kg f / cm 2 by pressing the first sheet and the second sheet are attached to each other do.
In the stacked multilayer sheet attached to the foam by press vulcanization at 155 ℃ while a pressure of 150 kg f / cm 2 10 min to prepare a multi-layered functional foam.
The multi-layer functional foam was heated at 150 ° C and the heated multi-layer functional foam was placed in a cooling press to form an insole.
The molded multi-layer functional foams were cut and scratched to produce non-adhesive multi-layer functional insole.
Example 3 Production of Non-Adhesive Multilayer Functional Insole
1. Preparation of Foam Composition for First Functional Insole
10 to 30% by weight of an ethylenevinylacetate copolymer resin, 5 to 15% by weight of an interlayer mixture resin in which a polyethylene copolymer resin and a polyolefin elastomer resin are mixed in a weight ratio of 2: 8, a polyethylene copolymer resin 40 to 50 1 to 10% by weight of rubber, 2 to 3% by weight of zinc oxide, 1 to 2% by weight of stearic acid, 1 to 2% by weight of a tackifier, 4 to 7% by weight of azodicarbonamide, 0.5 to 1.5% by weight of dicumyl peroxide; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared as the first functional insole foam composition.
2. Preparation of the foam composition for the second functional insoles
30 to 40% by weight of an ethylenevinylacetate copolymer resin, 5 to 10% by weight of an interlayer mixture resin in which a polyethylene copolymer resin and a polyolefin elastomer resin are mixed in a weight ratio of 1: 9, an olefin block copolymer resin (1) to (3), wherein the dicumyl peroxide is at least one selected from the group consisting of dicumyl peroxide, dicumyl peroxide, dicumyl peroxide, dicumyl peroxide, dicumyl peroxide, 0.5 to 1.2% by weight; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared.
3. Manufacture of non-adhesive multilayer functional insole
The first functional sheet and the second functional sheet were prepared from the foam composition for the first functional insole and the foam composition for the second functional insole, respectively.
The first functional sheet and the second functional sheet were laminated in a thickness ratio of 6: 4.
When the laminated functional first sheet and a functional second sheet introduced to the sheet forming die and heated to 100 ℃ cooling press at a pressure of one minute 150 kg f / cm 2 by pressing the first sheet and the second sheet are attached to each other do.
In the stacked multilayer sheet attached to the foam by press vulcanization at 155 ℃ while a pressure of 150 kg f / cm 2 10 min to prepare a multi-layered functional foam.
The multi-layer functional foam was heated at 150 ° C and the heated multi-layer functional foam was placed in a cooling press to form an insole.
The molded multi-layer functional foams were cut and scratched to produce non-adhesive multi-layer functional insole.
Example 4 Production of Non-Adhesive Multilayer Functional Insole
1. Preparation of Foam Composition for First Functional Insole
15 to 30% by weight of an ethylenevinylacetate copolymer resin, 5 to 15% by weight of an interlayer mixture resin in which a styrene elastomer resin and an olefin block copolymer resin are mixed in a weight ratio of 5: 5, a polyethylene copolymer resin 50 By weight of zinc oxide, 2 to 3% by weight of zinc oxide, 1 to 2% by weight of stearic acid, 1 to 2% by weight of tackifier, 4 to 7% by weight of azodicarbonamide, dicumyl peroxide 0.5 to 1.5% by weight; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared.
2. Preparation of the foam composition for the second functional insoles
30 to 40% by weight of an ethylenevinylacetate copolymer resin, 5 to 10% by weight of an interlayer mixture resin in which a styrene elastomer resin and an olefin block copolymer resin are mixed in a weight ratio of 7: 3, an olefin block copolymer resin Wherein the dicumyl peroxide is selected from the group consisting of 40 to 60 wt% zinc oxide, 2 to 3 wt% zinc oxide, 1 to 2 wt% stearic acid, 1 to 2 wt% tackifier, 4 to 6 wt% azodicarbonamide, 0.5 to 1.2% by weight of peroxide; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared.
3. Manufacture of non-adhesive multilayer functional insole
The first functional sheet and the second functional sheet were prepared from the foam composition for the first functional insole and the foam composition for the second functional insole, respectively.
The first functional sheet and the second functional sheet were laminated in a thickness ratio of 7: 3.
When the laminated functional first sheet and a functional second sheet introduced to the sheet forming die and heated to 100 ℃ cooling press at a pressure of one minute 150 kg f / cm 2 by pressing the first sheet and the second sheet are attached to each other do.
In the stacked multilayer sheet attached to the foam by press vulcanization at 155 ℃ while a pressure of 150 kg f / cm 2 10 min to prepare a multi-layered functional foam.
The multi-layer functional foam was heated at 150 ° C and the heated multi-layer functional foam was placed in a cooling press to form an insole.
The molded multi-layer functional foams were cut and scratched to produce non-adhesive multi-layer functional insole.
Example 5 Production of Non-Adhesive Multilayer Functional Insole
1. Preparation of Foam Composition for First Functional Insole
15 to 30% by weight of an ethylenevinylacetate copolymer resin, 5 to 15% by weight of an interlayer mixed resin obtained by mixing a styrene elastomer resin and a polyolefin elastomer resin in a weight ratio of 7: 3, a polyethylene copolymer resin of 50 to 70% 2 to 3% by weight of zinc oxide, 1 to 2% by weight of stearic acid, 1 to 2% by weight of tackifier, 3 to 6% by weight of azodicarbonamide, 0.5 to 5% by weight of dicumyl peroxide 0.5 To 1.5% by weight; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared.
2. Preparation of the foam composition for the second functional insoles
30 to 40% by weight of an ethylenevinylacetate copolymer resin, 5 to 10% by weight of an interlayer mixture resin in which a styrene elastomer resin and a polyolefin elastomer resin are mixed at a weight ratio of 8: 2, an olefin block copolymer resin (1) to (3), wherein the dicumyl peroxide is at least one selected from the group consisting of dicumyl peroxide, dicumyl peroxide, dicumyl peroxide, dicumyl peroxide, dicumyl peroxide, 0.5 to 1.2% by weight; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared.
3. Manufacture of non-adhesive multilayer functional insole
The first functional sheet and the second functional sheet were prepared from the foam composition for the first functional insole and the foam composition for the second functional insole, respectively.
The first functional sheet and the second functional sheet were laminated in a thickness ratio of 8: 2.
When the laminated functional first sheet and a functional second sheet introduced to the sheet forming die and heated to 100 ℃ cooling press at a pressure of one minute 150 kg f / cm 2 by pressing the first sheet and the second sheet are attached to each other do.
In the stacked multilayer sheet attached to the foam by press vulcanization at 155 ℃ while a pressure of 150 kg f / cm 2 10 min to prepare a multi-layered functional foam.
The multi-layer functional foam was heated at 150 ° C and the heated multi-layer functional foam was placed in a cooling press to form an insole.
The molded multi-layer functional foams were cut and scratched to produce non-adhesive multi-layer functional insole.
Example 6 Production of Non-Adhesive Multilayer Functional Insole
1. Preparation of Foam Composition for First Functional Insole
10 to 30% by weight of an ethylene-vinyl acetate copolymer resin, 5 to 15% by weight of an interlayer-mixed resin obtained by mixing a polyethylene copolymer resin, a styrene elastomer resin and an olefin block copolymer resin at a weight ratio of 1: 4: By weight of a tackifier, 40 to 50% by weight of a polyethylene copolymer resin, 1 to 10% by weight of a rubber, 2 to 3% by weight of zinc oxide, 1 to 2% by weight of stearic acid, 4 to 7% by weight of azodicarbonamide, 0.5 to 1.5% by weight of dicumyl peroxide; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared as the first functional insole foam composition.
2. Preparation of the foam composition for the second functional insoles
50 to 70% by weight of an ethylene-vinyl acetate copolymer resin, 5 to 15% by weight of an interlayer-mixed resin obtained by mixing a polyethylene copolymer resin, a styrene elastomer resin and an olefin block copolymer resin in a weight ratio of 1: 3: 15 to 30% by weight of a polyethylene copolymer resin, 2 to 3% by weight of zinc oxide, 1 to 2% by weight of stearic acid, 1 to 2% by weight of a tackifier, 3 to 6% by weight of azodicarbonamide, 0.5 to 1.5% by weight of dicumyl peroxide; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared.
3. Preparation of Foam Composition for the Third Functional Insole
30 to 40% by weight of an ethylene-vinyl acetate copolymer resin, 5 to 10% by weight of an interlayer-mixed resin obtained by mixing a polyethylene copolymer resin, a styrene elastomer resin, and an olefin block copolymer resin in a weight ratio of 1: 40 to 60% by weight of an olefin block copolymer resin, 2 to 3% by weight of zinc oxide, 1 to 2% by weight of stearic acid, 1 to 2% by weight of a tackifier, 4 to 6% by weight of azodicarbonamide 0.5 to 1.2% by weight of dicumyl peroxide; And 0.1 to 0.5% by weight of triallyl cyanurate, were prepared.
4. Manufacture of non-adhesive multilayer functional insole
The first functional sheet, the second functional sheet and the third functional sheet were prepared from the foam composition for the first functional insole, the foam composition for the second functional insole, and the foam composition for the first functional insole, respectively.
A functional first sheet, a functional second sheet, and a functional third sheet were laminated in a thickness ratio of 3: 3: 4.
Functional first sheet, the functional second sheet, and a functional 3 is cooled and then laminating the sheet pressed by the sheet-forming followed by putting into the mold a pressure of one minute 150 kg f / cm 2 by a press heated to 100 ℃ sequentially first The sheet, the second sheet, and the third sheet are attached to each other.
In the stacked multilayer sheet attached to the foam by press vulcanization at 155 ℃ while a pressure of 150 kg f / cm 2 10 min to prepare a multi-layered functional foam.
The multi-layer functional foam was heated at 150 ° C and the heated multi-layer functional foam was placed in a cooling press to form an insole.
The molded multi-layer functional foams were cut and scratched to produce non-adhesive multi-layer functional insole.
Example 7 Production of Non-Adhesive Multilayer Functional Insole
1. Preparation of Foam Composition for First Functional Insole
5 to 15% by weight of an interlayer-mixed resin obtained by mixing 10 to 30% by weight of an ethylene-vinyl acetate copolymer resin, a polyethylene copolymer resin, a styrene elastomer resin and a polyolefin elastomer resin in a weight ratio of 1: From 40 to 50% by weight of a polyethylene copolymer resin, from 1 to 10% by weight of rubber, from 2 to 3% by weight of zinc oxide, from 1 to 2% by weight of stearic acid, from 1 to 2% by weight of tackifier, 4 to 7% by weight of azodicarbonamide, 0.5 to 1.5% by weight of dicumyl peroxide; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared as the first functional insole foam composition.
2. Preparation of the foam composition for the second functional insoles
5 to 15% by weight of an interlayer-mixed resin obtained by mixing 50 to 60% by weight of an ethylene-vinyl acetate copolymer resin, a polyethylene copolymer resin, a styrene elastomer resin and a polyolefin elastomer resin in a weight ratio of 1: 8: 10 to 30% by weight of a polyethylene copolymer resin, 2 to 3% by weight of zinc oxide, 1 to 2% by weight of stearic acid, 1 to 2% by weight of a tackifier, 3 to 6% by weight of azodicarbonamide, 0.5 to 1.2% by weight of dicumyl peroxide; And 0.1 to 0.5% by weight of triallyl cyanurate were prepared.
3. Preparation of Foam Composition for the Third Functional Insole
5 to 10% by weight of an interlayer-mixed resin obtained by mixing 30 to 40% by weight of an ethylene-vinyl acetate copolymer resin, a polyethylene copolymer resin, a styrene elastomer resin, and a polyolefin elastomer resin in a weight ratio of 1: 40 to 60% by weight of a polyolefin elastomer resin, 2 to 3% by weight of zinc oxide, 1 to 2% by weight of stearic acid, 1 to 2% by weight of a tackifier, 4 to 7% by weight of azodicarbonamide, 0.5 to 1.2% by weight of dicumyl peroxide; And 0.1 to 0.5% by weight of triallyl cyanurate, were prepared.
4. Manufacture of non-adhesive multilayer functional insole
The first functional sheet, the second functional sheet and the third functional sheet were prepared from the foam composition for the first functional insole, the foam composition for the second functional insole, and the foam composition for the first functional insole, respectively.
The first functional sheet, the second functional sheet, and the third functional sheet were laminated in a thickness ratio of 1: 4: 5.
Functional first sheet, the functional second sheet, and a functional 3 is cooled and then laminating the sheet pressed by the sheet-forming followed by putting into the mold a pressure of one minute 150 kg f / cm 2 by a press heated to 100 ℃ sequentially first The sheet, the second sheet, and the third sheet are attached to each other.
In the stacked multilayer sheet attached to the foam by press vulcanization at 155 ℃ while a pressure of 150 kg f / cm 2 10 min to prepare a multi-layered functional foam.
The multi-layer functional foam was heated at 150 ° C and the heated multi-layer functional foam was placed in a cooling press to form an insole.
The molded multi-layer functional foams were cut and scratched to produce non-adhesive multi-layer functional insole.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is to be understood that various modifications and changes may be made without departing from the scope of the appended claims.
Claims (7)
The ethylene-vinyl acetate copolymer or the ethylene- α
Wherein the resin composition is combined with at least two resins selected from the group consisting of a polyethylene copolymer resin, a polypropylene copolymer resin, a styrene elastomer resin, an olefin block copolymer resin, and a polyolefin elastomer resin.
The above-
Wherein the foam composition is any one selected from the group consisting of a polyethylene copolymer resin, a polypropylene copolymer resin, a styrene elastomer resin, an olefin block copolymer resin, and a polyolefin elastomer resin.
Stacking the at least two sheets;
Introducing the laminated sheet into a press and foaming to prepare a multilayer functional foam;
Molding the multi-layer functional foam; And
Cutting and shaping the molded multilayer functional foam to produce a multilayered functional insole;
≪ / RTI >
The step of preparing the multi-
And wherein the stacked sheets put into a press 120 to from 180 ℃ 120 to 180 kg f / cm 2 pressure to 5 to 15 minutes the foam was multilayered preparing functional foam, characterized in, that the non-adhesive multi-layer functional insole for the manufacture .
The step of molding the multi-
Wherein the multi-layer functional foam is put into a press equipped with a molding mold, and then heated to 140 to 160 DEG C for 5 to 7 minutes and cooled to room temperature to form the non-adhesive multi-layer functional insole.
The step of molding the multi-
Characterized in that the multilayer functional foam is heated to 120 to 170 占 폚 and then put into a press equipped with a molding mold and cooled for 2 to 5 minutes to form the non-adhesive multi-layer functional insole.
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| KR1020170085440A KR101956817B1 (en) | 2017-07-05 | 2017-07-05 | Functional foam composition for insole and preparing method of functional insole with free adhesive multi-layer using the same |
| PCT/KR2018/007182 WO2019009554A1 (en) | 2017-07-05 | 2018-06-25 | Foam composition for functional insole and method for manufacturing non-adhesive multilayered functional insole using same |
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| KR1020170085440A KR101956817B1 (en) | 2017-07-05 | 2017-07-05 | Functional foam composition for insole and preparing method of functional insole with free adhesive multi-layer using the same |
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| CN110628123B (en) * | 2019-10-12 | 2022-05-06 | 石狮市创意纸塑制品有限公司 | High-strength tear-resistant drop and manufacturing process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020000265A (en) * | 2000-06-22 | 2002-01-05 | 박정수 | Method for shock absorptive foaming for footwear |
| KR100662726B1 (en) * | 2005-11-15 | 2006-12-28 | 한국신발피혁연구소 | A composition of transparent and high elastic polyolefins for shoes midsole and method for manufacturing of middle layer sole for shoes |
| KR101087949B1 (en) | 2010-10-28 | 2011-11-28 | 박희대 | Method of manufacturing multi-layer sheets |
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| KR101104252B1 (en) * | 2009-11-24 | 2012-01-11 | 한국신발피혁연구소 | Composition of foam midsole compound can adhere with Non-UV and preparing method of foam midsole using it |
| KR101165803B1 (en) * | 2009-11-27 | 2012-07-13 | 신화에이치 주식회사 | Composition of foam compound can adhere without UV and buffing for the sole of shoes and preparing method of foam using it |
| CA2800346A1 (en) * | 2010-05-18 | 2011-11-24 | Montrail Corporation | Multiple response property footwear |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020000265A (en) * | 2000-06-22 | 2002-01-05 | 박정수 | Method for shock absorptive foaming for footwear |
| KR100662726B1 (en) * | 2005-11-15 | 2006-12-28 | 한국신발피혁연구소 | A composition of transparent and high elastic polyolefins for shoes midsole and method for manufacturing of middle layer sole for shoes |
| KR101087949B1 (en) | 2010-10-28 | 2011-11-28 | 박희대 | Method of manufacturing multi-layer sheets |
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