CN109109353A - A kind of preparation method of the polychrome multi-density sole of different materials and polychrome multi-density sole using this method - Google Patents

A kind of preparation method of the polychrome multi-density sole of different materials and polychrome multi-density sole using this method Download PDF

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Publication number
CN109109353A
CN109109353A CN201811241443.4A CN201811241443A CN109109353A CN 109109353 A CN109109353 A CN 109109353A CN 201811241443 A CN201811241443 A CN 201811241443A CN 109109353 A CN109109353 A CN 109109353A
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China
Prior art keywords
sole
density
preparation
different materials
outsole
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CN201811241443.4A
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Chinese (zh)
Inventor
冯云平
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Guangdong Bendi New Material Technology Co Ltd
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Guangdong Bendi New Material Technology Co Ltd
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Application filed by Guangdong Bendi New Material Technology Co Ltd filed Critical Guangdong Bendi New Material Technology Co Ltd
Priority to CN201811241443.4A priority Critical patent/CN109109353A/en
Priority to PCT/CN2018/117143 priority patent/WO2020082484A1/en
Publication of CN109109353A publication Critical patent/CN109109353A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/12Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/122Soles
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/02Soles; Sole-and-heel integral units characterised by the material
    • A43B13/04Plastics, rubber or vulcanised fibre

Abstract

The invention discloses a kind of preparation method of the polychrome multi-density sole of different materials and using the polychrome multi-density sole of this method, using one-step shaping method, supercritical fluid is filled under conditions of high temperature and pressure, freely without mould stereochemical structure foaming, the foamed shoe sole of the more material polychrome multi-densities of the one-pass molding up-sizing compatible with imitative type is obtained, without the mode of bonding agent bonding.The foamed shoe sole that the present invention obtains, with multiple material, color and density, it is foamed by foamed pot, easily controllable pressure release rate, cell nucleation rate is high, the microcellular foam material abscess of formation is smaller, hole density is higher, simultaneously, sole obtained is controlled shape, accurate in size micropore solid foaming product, with high resilience, the excellent function of flexible and wear-resisting antiskid performance, and it is more comfortable light, corrosion resistance and water resistance are more preferable, outsole body component is formed with functional unit entirety with this, it connects stronger, effectively avoid separating.

Description

The preparation method of a kind of polychrome multi-density sole of different materials and using this method Polychrome multi-density sole
Technical field
The present invention and sole preparation method technical field, more specifically, be related to a kind of different materials polychrome it is more The preparation method of density sole and the polychrome multi-density sole for using this method.
Background technique
China is the maximum footwear producting and exporting country in the whole world, oneself becomes a big pillar of China's economic to footwear, with society The development of meeting, functional requirement increasingly diversification of all trades and professions to footwear, especially increasingly to the performance requirement of article of footwear It is high.Due to polymer foaming product have it is soft it is light, elasticity is good, anti-skidding rub resistance and the performances such as resistant to chemical etching, quilt It is widely used in sport footwear as footwear material, in the shoes such as slippers, sandals, playshoes.However, with the improvement of people ' s living standards And personalized requirement, improve sense comfortable and easy to wear and meet different function needs, footwear material sole usually using different colours, no With the outsole body portion of hardness and functor.
In order to solve the technical problem, usually outsole body portion side or bottom surface are set in advance as in the prior art recessed It falls into, corresponds to recess setting functor or modification piece, the hardness multiplying power and color of functor or modification piece are different from sole master Body portion.There are two types of common forming methods for such technology tool: (1) foaming in advance prepares the outsole body of the different density of polychrome Portion, functor or modification piece, then together by adhesive bonding, the foaming of the polychrome multi-density of production molding different materials Footwear material or shoes.However the shoe sole article that such production method obtains is easy layering degumming, and complicated for operation cumbersome, Gong Renlao Fatigue resistance is big, high production cost, and adhesive influences greatly on workers ' health and environmental pollution is serious.(2) colors are prepared respectively The foaming shoe material prefabricated component of each density, then fitting constitutes the prefoam shoes embryo of polychrome multi-density, then is carried out moulded from foam The article of footwear of the polychrome multi-density of molding making different materials, however, pre- due to assorted each density in foamed forming process The bubbling efficiency of foaming shoe embryo has difference, and foaming sync rates are not high, influences the presentation quality of article of footwear, is easy to appear and scraps Product, reduce production efficiency, and practicability is low.
Summary of the invention
It is an object of the invention to overcome drawbacks described above in the prior art, the more materials of one-pass molding can be obtained by providing one kind The preparation of the polychrome multi-density sole of the different materials of the foamed shoe sole of material, polychrome, the multi-density up-sizing compatible with imitative type Method.
To achieve the above object, the present invention provides a kind of preparation method of the polychrome multi-density sole of different materials, packets Include following steps:
(1) multiplying power to be foamed according to product, injection molding preparation imitate type sole blank by the injection molding of size reduction, and the injection molding is imitative Type sole blank includes indsole, outsole and functional unit, and said midsole is first polymer material, and the outsole is the second polymerization Object material, the functional unit are third polymer material;
(2) the imitative type sole blank of injection molding is sent into foaming pressure pan;
(3) the imitative type sole blank of injection molding is filled with supercritical fluid in the state that no mould is free;
(4) to temperature-pressure is carried out in foamed pot, the temperature and pressure in foamed pot is adjusted to target temperature and pressure;
(5) supercritical fluid penetrates into imitative type sole blank swelling diffusion a period of time of injection molding;
(6) it opens foaming pressure pan and carries out pressure release foaming, the polychrome multi-density of one-pass molding different materials can be obtained Foamed shoe sole finished product.
Preferably, the first polymer material be EVA or TPU or PEBAX or TPE or TPO or TPV or TPEE or TPAE or natural rubber or synthetic rubber, the second polymer material are PU or PEBAX or TPE or TPV or TPEE or TPAE Or natural rubber or synthetic rubber, the third polymer material are PEBAX or TPU or natural rubber or synthetic rubber.
Preferably, on the surface of the functional unit be added barrier material, the barrier material be aluminium foil or Tinfoil or barrier plastics EVOH or vinylidene chloride copolymer or acrylonitrile copolymer or aramid fiber or polyvinyl alcohol.
Preferably, the supercritical fluid is the mixture of carbon dioxide or nitrogen or carbon dioxide and nitrogen.
Preferably, the supercritical fluid penetrates into 60 to 120 points of diffusion of the swelling of imitative type sole blank of injection molding Clock.
Preferably, the pressure release rate is 1 to 1000MPa/s.
Preferably, the expansion ratio of said midsole is 10 to 40 times, cell diameter is 1 to 100 μm, the outsole Expansion ratio is 2-15 times, and 1-60 μm of cell diameter, the functional unit does not foam or expansion ratio is 0.1-2 times.
Preferably, hair kernel foaming agent and grafting are added in the first polymer, second polymer and third polymer Agent, the hair kernel foaming agent are talcum powder or citric acid or calcium carbonate crystal whisker, and the hair kernel foaming agent additive amount is 0.1 to 10%, institute Stating grafting agent is maleic anhydride or benzoyl peroxide BPO or peroxidating diethyl propyl benzene DCP or crosslinking agent TAIC, the grafting agent Additive amount be 0.001-3%.
Preferably, the target temperature in the foamed pot in work is lower than polymer melt temperature or melting temperature 1 to 50 DEG C, the operating pressure in the foamed pot is 5-30MPa.
The present invention provides a kind of polychrome multi-density soles, including indsole, outsole and functional unit, said midsole to be installed in The top surface of outsole, the functional unit are installed in the bottom surface of outsole, and said midsole, outsole and functional unit are once molded and foam Molding, the density of said midsole, outsole and functional unit is not identical.
Compared with prior art, the beneficial effects of the present invention are:
The preparation method of sole provided by the invention is filled with super face using one-step shaping method under conditions of high temperature and pressure Boundary's fluid obtains that the more materials of one-pass molding, polychrome, multi-density are compatible with imitative type to be put freely without mould stereochemical structure foaming Large-sized foamed shoe sole, without bonding agent bonding mode, the foamed shoe sole that the present invention obtains, have multiple material, Multiple color and a variety of different density, are foamed by foamed pot, easily controllable pressure release rate, and cell nucleation rate is high, The microcellular foam material abscess of formation is smaller, and hole density is higher, and performance is more excellent, meanwhile, sole obtained is controlled shape, ruler Very little accurate micropore solid foaming product, the excellent function with high resilience, flexible and wear-resisting antiskid performance, and more Comfortable light, corrosion resistance and water resistance it is more preferable, outsole body component and functional unit are whole to be formed with this, is connected more firm Gu effectively avoiding separating, outsole body components are not easy to crack, can be used for the more demanding footwear material of production quality, are made Sole it is light-weight, wear-resistant, resistance to complications are at low cost, are suitble to industrialized large-scale production.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention Some embodiments for those of ordinary skill in the art without creative efforts, can also basis These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the sole of polychrome multi-density provided by the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Embodiment one
The embodiment of the present invention one provides a kind of preparation method of the polychrome multi-density sole of different materials, including following Step:
(1) multiplying power to be foamed according to product, injection molding preparation imitate type sole blank by the injection molding of size reduction, are molded imitative type shoes Bottom blank includes indsole 1, outsole 2 and functional unit 3, and indsole 1 is first polymer material, and outsole 2 is second polymer material, Functional unit 3 is third polymer material;
(2) the imitative type sole blank of injection molding is sent into foaming pressure pan;
(3) the imitative type sole blank of injection molding is filled with supercritical fluid in the state that no mould is free;
(4) to temperature-pressure is carried out in foamed pot, the temperature and pressure in foamed pot is adjusted to target temperature and pressure;
(5) supercritical fluid penetrates into imitative type sole blank swelling diffusion a period of time of injection molding;
(6) it opens foaming pressure pan and carries out pressure release foaming, the polychrome multi-density of one-pass molding different materials can be obtained Foamed shoe sole finished product.
Preferably, first polymer is a kind of polymer material of the flexible suitable foaming of softness, the second polymerization Object is a kind of polymer material of the flexible suitable foaming of anti-skid wearable, and third polymer is wear-resisting do not foam or gently Spend anti-skidding, wear-resisting, tear-proof the polymer material of foaming.
Wherein, first polymer material is EVA or TPU or PEBAX or TPE or TPO or TPV or TPEE or TPAE or natural Rubber or synthetic rubber, second polymer material are PU or PEBAX or TPE or TPV or TPEE or TPAE or natural rubber or conjunction At rubber, third polymer material is PEBAX or TPU or natural rubber or synthetic rubber, can be selected according to actual needs Processing injection molding.
Preferably, barrier material is added on the surface of functional unit 3, barrier material is aluminium foil or tinfoil or barrier Plastics EVOH or vinylidene chloride copolymer or acrylonitrile copolymer or aramid fiber or polyvinyl alcohol, can according to actual needs into Row selection processing injection molding.
Wherein, hair kernel foaming agent and grafting agent are added in first polymer, second polymer and third polymer, sends out kernel foaming agent For talcum powder or citric acid or calcium carbonate crystal whisker, sending out kernel foaming agent additive amount is 0.1 to 10%, and grafting agent is maleic anhydride or peroxide Change benzoyl BPO or peroxidating diethyl propyl benzene DCP or crosslinking agent TAIC, the additive amount of grafting agent is 0.001-3%, passes through addition Foaming nucleation agent and grafting agent adjust the different frothing percentages of sole.
Wherein, in the present embodiment, supercritical fluid is the mixture of carbon dioxide or nitrogen or carbon dioxide and nitrogen, can It is selected according to the actual situation.
In the present embodiment, supercritical fluid penetrates into the swelling of imitative type sole blank diffusion 60 minutes of injection molding.
In the present embodiment, pressure release rate is 1MPa/s.
In the present embodiment, in type sole blank obtained, the expansion ratio of indsole is 10 times, and cell diameter is 1 μm, greatly The expansion ratio at bottom is 2 times, and 1 μm of cell diameter, functional unit does not foam or expansion ratio is 0.1 times.
In the present embodiment, the target temperature in foamed pot in work be lower than polymer melt temperature or 1 DEG C of melting temperature, Operating pressure in foamed pot is 5MPa, can be selected according to the actual situation.
Preferably, indsole 1, outsole 2 and functional unit 3 can be respectively set to the polymer of different colors, different densities Material can be selected according to the actual situation.
Embodiment two
The embodiment of the present invention two provides a kind of preparation method of the polychrome multi-density sole of different materials, including following Step:
(1) multiplying power to be foamed according to product, injection molding preparation imitate type sole blank by the injection molding of size reduction, are molded imitative type shoes Bottom blank includes indsole 1, outsole 2 and functional unit 3, and indsole 1 is first polymer material, and outsole 2 is second polymer material, Functional unit 3 is third polymer material;
(2) the imitative type sole blank of injection molding is sent into foaming pressure pan;
(3) the imitative type sole blank of injection molding is filled with supercritical fluid in the state that no mould is free;
(4) to temperature-pressure is carried out in foamed pot, the temperature and pressure in foamed pot is adjusted to target temperature and pressure;
(5) supercritical fluid penetrates into imitative type sole blank swelling diffusion a period of time of injection molding;
(6) it opens foaming pressure pan and carries out pressure release foaming, the polychrome multi-density of one-pass molding different materials can be obtained Foamed shoe sole finished product.
Preferably, first polymer is a kind of polymer material of the flexible suitable foaming of softness, the second polymerization Object is a kind of polymer material of the flexible suitable foaming of anti-skid wearable, and third polymer is wear-resisting do not foam or gently Spend anti-skidding, wear-resisting, tear-proof the polymer material of foaming.
Wherein, first polymer material is EVA or TPU or PEBAX or TPE or TPO or TPV or TPEE or TPAE or natural Rubber or synthetic rubber, second polymer material are PU or PEBAX or TPE or TPV or TPEE or TPAE or natural rubber or conjunction At rubber, third polymer material is PEBAX or TPU or natural rubber or synthetic rubber, can be selected according to actual needs Processing injection molding.
Preferably, barrier material is added on the surface of functional unit 3, barrier material is aluminium foil or tinfoil or barrier Plastics EVOH or vinylidene chloride copolymer or acrylonitrile copolymer or aramid fiber or polyvinyl alcohol, can according to actual needs into Row selection processing injection molding.
Wherein, hair kernel foaming agent and grafting agent are added in first polymer, second polymer and third polymer, sends out kernel foaming agent For talcum powder or citric acid or calcium carbonate crystal whisker, sending out kernel foaming agent additive amount is 0.1 to 10%, and grafting agent is maleic anhydride or peroxide Change benzoyl BPO or peroxidating diethyl propyl benzene DCP or crosslinking agent TAIC, the additive amount of grafting agent is 0.001-3%, passes through addition Foaming nucleation agent and grafting agent adjust the different frothing percentages of sole.
Wherein, in the present embodiment, supercritical fluid is the mixture of carbon dioxide or nitrogen or carbon dioxide and nitrogen, can It is selected according to the actual situation.
In the present embodiment, supercritical fluid penetrates into the swelling of imitative type sole blank diffusion 90 minutes of injection molding, can basis Actual conditions are selected.
In the present embodiment, pressure release rate is 500MPa/s.
In the present embodiment, in type sole blank obtained, the expansion ratio of indsole is 25 times, and cell diameter is 50 μm, The expansion ratio of outsole is 8 times, and 30 μm of cell diameter, functional unit does not foam or expansion ratio is 1 times.
In the present embodiment, the target temperature in foamed pot in work is lower than polymer melt temperature or melting temperature 25 DEG C, the operating pressure in foamed pot is 15MPa, can be selected according to the actual situation.
Preferably, indsole 1, outsole 2 and functional unit 3 can be respectively set to the polymer of different colors, different densities Material can be selected according to the actual situation.
Embodiment three
The embodiment of the present invention three provides a kind of preparation method of the polychrome multi-density sole of different materials, including following Step:
(1) multiplying power to be foamed according to product, injection molding preparation imitate type sole blank by the injection molding of size reduction, are molded imitative type shoes Bottom blank includes indsole 1, outsole 2 and functional unit 3, and indsole 1 is first polymer material, and outsole 2 is second polymer material, Functional unit 3 is third polymer material;
(2) the imitative type sole blank of injection molding is sent into foaming pressure pan;
(3) the imitative type sole blank of injection molding is filled with supercritical fluid in the state that no mould is free;
(4) to temperature-pressure is carried out in foamed pot, the temperature and pressure in foamed pot is adjusted to target temperature and pressure;
(5) supercritical fluid penetrates into imitative type sole blank swelling diffusion a period of time of injection molding;
(6) it opens foaming pressure pan and carries out pressure release foaming, the polychrome multi-density of one-pass molding different materials can be obtained Foamed shoe sole finished product.
Preferably, first polymer is a kind of polymer material of the flexible suitable foaming of softness, the second polymerization Object is a kind of polymer material of the flexible suitable foaming of anti-skid wearable, and third polymer is wear-resisting do not foam or gently Spend anti-skidding, wear-resisting, tear-proof the polymer material of foaming.
Wherein, first polymer material is EVA or TPU or PEBAX or TPE or TPO or TPV or TPEE or TPAE or natural Rubber or synthetic rubber, second polymer material are PU or PEBAX or TPE or TPV or TPEE or TPAE or natural rubber or conjunction At rubber, third polymer material is PEBAX or TPU or natural rubber or synthetic rubber, can be selected according to actual needs Processing injection molding.
Preferably, barrier material is added on the surface of functional unit 3, barrier material is aluminium foil or tinfoil or barrier Plastics EVOH or vinylidene chloride copolymer or acrylonitrile copolymer or aramid fiber or polyvinyl alcohol, can according to actual needs into Row selection processing injection molding.
Wherein, hair kernel foaming agent and grafting agent are added in first polymer, second polymer and third polymer, sends out kernel foaming agent For talcum powder or citric acid or calcium carbonate crystal whisker, sending out kernel foaming agent additive amount is 0.1 to 10%, and grafting agent is maleic anhydride or peroxide Change benzoyl BPO or peroxidating diethyl propyl benzene DCP or crosslinking agent TAIC, the additive amount of grafting agent is 0.001-3%, passes through addition Foaming nucleation agent and grafting agent adjust the different frothing percentages of sole.
Wherein, in the present embodiment, supercritical fluid is the mixture of carbon dioxide or nitrogen or carbon dioxide and nitrogen, can It is selected according to the actual situation.
In the present embodiment, supercritical fluid penetrates into the swelling of imitative type sole blank diffusion 120 minutes of injection molding, can basis Actual conditions are selected.
In the present embodiment, pressure release rate is 1000MPa/s.
In the present embodiment, in type sole blank obtained, the expansion ratio of indsole is 40 times, and cell diameter is 100 μm, The expansion ratio of outsole is 15 times, and 60 μm of cell diameter, functional unit does not foam or expansion ratio is 2 times.
In the present embodiment, the target temperature in foamed pot in work is lower than polymer melt temperature or melting temperature 50 DEG C, the operating pressure in foamed pot is 30MPa, can be selected according to the actual situation.
Preferably, indsole 1, outsole 2 and functional unit 3 can be respectively set to the polymer of different colors, different densities Material can be selected according to the actual situation.
Example IV
Referring to FIG. 1, the embodiment of the present invention four provides a kind of polychrome multi-density sole, including indsole, outsole and function Energy component, indsole are installed in the top surface of outsole, and functional unit is installed in the bottom surface of outsole, and indsole, outsole and functional unit are primary Injection molding and foaming, the density of indsole, outsole and functional unit is not identical, carries out with reference to the accompanying drawing to the present embodiment detailed Explanation.
As shown in Figure 1, indsole 1 is installed in the top surface of outsole 2, functional unit 3 is installed in the bottom surface of outsole 2, indsole 1, big Bottom 2 and functional unit 3 are integrally formed, by indsole 1, outsole 2 and functional unit 3 once injection molding and foaming, without The mode of bonding agent bonding, is effectively ensured being connected firmly for sole, avoids shoe sole component that cracking or separation occurs, and has high return Elasticity, the excellent function of flexibility and wear-resisting antiskid performance, light-weight, wear-resisting, resistance to complications are at low cost, are suitble to industrialized rule Mould production.
In conclusion the preparation method of sole provided by the invention, using one-step shaping method, under conditions of high temperature and pressure It is filled with supercritical fluid, freely without mould stereochemical structure foaming, obtains the more materials of one-pass molding, polychrome, multi-density and imitative type The foamed shoe sole of compatible up-sizing, without the mode of bonding agent bonding, the foamed shoe sole that the present invention obtains has more Kind material, multiple color and a variety of different density, are foamed by foamed pot, easily controllable pressure release rate, cell nucleation Rate is high, and the microcellular foam material abscess of formation is smaller, and hole density is higher, and performance is more excellent, meanwhile, sole obtained is shape Controllably, accurate in size micropore solid foaming product, the excellent function with high resilience, flexible and wear-resisting antiskid performance, And more comfortable light, corrosion resistance and water resistance are more preferable, and outsole body component is formed with functional unit entirety with this, even It connects stronger, effectively avoids separating, outsole body components are not easy to crack, can be used for the more demanding shoes of production quality Material, sole obtained is light-weight, wear-resistant, resistance to complications, at low cost, is suitble to industrialized large-scale production.
The above embodiment is a preferred embodiment of the present invention, but the embodiment invented is not by the limit of above-described embodiment System, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention, It should be equivalent substitute mode, be included within the protection scope originally put.

Claims (10)

1. a kind of preparation method of the polychrome multi-density sole of different materials, it is characterised in that: the following steps are included:
(1) multiplying power to be foamed according to product, injection molding preparation imitates type sole blank by the injection molding of size reduction, described to be molded imitative type shoes Bottom blank includes indsole, outsole and functional unit, and said midsole is first polymer material, and the outsole is second polymer material Material, the functional unit are third polymer material;
(2) the imitative type sole blank of injection molding is sent into foaming pressure pan;
(3) the imitative type sole blank of injection molding is filled with supercritical fluid in the state that no mould is free;
(4) to temperature-pressure is carried out in foamed pot, the temperature and pressure in foamed pot is adjusted to target temperature and pressure;
(5) supercritical fluid penetrates into imitative type sole blank swelling diffusion a period of time of injection molding;
(6) it opens foaming pressure pan and carries out pressure release foaming, the foaming of the polychrome multi-density of one-pass molding different materials can be obtained Sole product.
2. a kind of preparation method of the polychrome multi-density sole of different materials according to claim 1, it is characterised in that: institute Stating first polymer material is EVA or TPU or PEBAX or TPE or TPO or TPV or TPEE or TPAE or natural rubber or synthesis Rubber, the second polymer material are PU or PEBAX or TPE or TPV or TPEE or TPAE or natural rubber or synthetic rubber, The third polymer material is PEBAX or TPU or natural rubber or synthetic rubber.
3. a kind of preparation method of the polychrome multi-density sole of different materials according to claim 1, it is characterised in that: institute State on the surface of functional unit addition barrier material, the barrier material be aluminium foil or tinfoil or barrier plastics EVOH or Vinylidene chloride copolymer or acrylonitrile copolymer or aramid fiber or polyvinyl alcohol.
4. a kind of preparation method of the polychrome multi-density sole of different materials according to claim 1, it is characterised in that: institute State the mixture that supercritical fluid is carbon dioxide or nitrogen or carbon dioxide and nitrogen.
5. a kind of preparation method of the polychrome multi-density sole of different materials according to claim 1, it is characterised in that: institute It states the swelling of imitative type sole blank diffusion 60 to 120 minutes that supercritical fluid penetrates into injection molding.
6. a kind of preparation method of the polychrome multi-density sole of different materials according to claim 1, it is characterised in that: institute Stating pressure release rate is 1 to 1000MPa/s.
7. a kind of preparation method of the polychrome multi-density sole of different materials according to claim 1, it is characterised in that: institute The expansion ratio for stating indsole is 10 to 40 times, and cell diameter is 1 to 100 μm, and the expansion ratio of the outsole is 2-15 times, abscess 1-60 μm of diameter, the functional unit does not foam or expansion ratio is 0.1-2 times.
8. a kind of preparation method of the polychrome multi-density sole of different materials according to claim 1, it is characterised in that: institute It states and hair kernel foaming agent and grafting agent is added in first polymer, second polymer and third polymer, the hair kernel foaming agent is talcum Powder or citric acid or calcium carbonate crystal whisker, the hair kernel foaming agent additive amount are 0.1 to 10%, and the grafting agent is maleic anhydride or mistake Benzoyl Oxide BPO or peroxidating diethyl propyl benzene DCP or crosslinking agent TAIC, the additive amount of the grafting agent are 0.001-3%.
9. a kind of preparation method of the polychrome multi-density sole of different materials according to claim 1, it is characterised in that: institute Stating the target temperature in foamed pot in work is lower than polymer melt temperature or 1 to 50 DEG C of melting temperature, in the foamed pot Operating pressure be 5-30MPa.
10. a kind of polychrome multi-density sole using claim 1 to 9 any one the method, it is characterised in that: including in Bottom, outsole and functional unit, said midsole are installed in the top surface of outsole, and the functional unit is installed in the bottom surface of outsole, described Indsole, outsole and functional unit are once molded and foaming, and the density of said midsole, outsole and functional unit is not identical.
CN201811241443.4A 2018-10-24 2018-10-24 A kind of preparation method of the polychrome multi-density sole of different materials and polychrome multi-density sole using this method Pending CN109109353A (en)

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CN201811241443.4A CN109109353A (en) 2018-10-24 2018-10-24 A kind of preparation method of the polychrome multi-density sole of different materials and polychrome multi-density sole using this method
PCT/CN2018/117143 WO2020082484A1 (en) 2018-10-24 2018-11-23 Method for preparing multi-color, multi-density sole having different materials, and multi-color, multi-density sole prepared using the method

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110041490A (en) * 2019-04-28 2019-07-23 东莞华工佛塑新材料有限公司 A kind of preparation method and application of polyurethane elastomer sole material
CN111746016A (en) * 2019-03-29 2020-10-09 大力卜股份有限公司 Method for manufacturing supercritical foaming insole
CN113954283A (en) * 2021-10-26 2022-01-21 广州户外特工户外用品有限公司 Foaming forming process of environment-friendly shoes
WO2024044993A1 (en) * 2022-08-30 2024-03-07 王宝欣 Method for manufacturing multicolor supercritically-foamed shoe body, and multicolor foamed shoe body

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102504323A (en) * 2011-11-07 2012-06-20 常州天晟新材料股份有限公司 Industrially-applicable method for preparing polymer foamed material by using supercritical fluid technology
CN203282653U (en) * 2013-04-09 2013-11-13 青岛科技大学 Polymer mould pressing foaming device assisted by supercritical fluid
CN106393546A (en) * 2016-09-14 2017-02-15 茂泰(福建)鞋材有限公司 Preparation technology of multi-color multi-density shoe sole
CN108081652A (en) * 2018-01-08 2018-05-29 晋江兴迅新材料科技有限公司 A kind of preparation process of supercritical foaming sole

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1772466A (en) * 2004-11-08 2006-05-17 良澔科技企业股份有限公司 Making process and product of shoe sole and middle insole
US9498927B2 (en) * 2013-03-15 2016-11-22 Nike, Inc. Decorative foam and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102504323A (en) * 2011-11-07 2012-06-20 常州天晟新材料股份有限公司 Industrially-applicable method for preparing polymer foamed material by using supercritical fluid technology
CN203282653U (en) * 2013-04-09 2013-11-13 青岛科技大学 Polymer mould pressing foaming device assisted by supercritical fluid
CN106393546A (en) * 2016-09-14 2017-02-15 茂泰(福建)鞋材有限公司 Preparation technology of multi-color multi-density shoe sole
CN108081652A (en) * 2018-01-08 2018-05-29 晋江兴迅新材料科技有限公司 A kind of preparation process of supercritical foaming sole

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111746016A (en) * 2019-03-29 2020-10-09 大力卜股份有限公司 Method for manufacturing supercritical foaming insole
CN110041490A (en) * 2019-04-28 2019-07-23 东莞华工佛塑新材料有限公司 A kind of preparation method and application of polyurethane elastomer sole material
CN113954283A (en) * 2021-10-26 2022-01-21 广州户外特工户外用品有限公司 Foaming forming process of environment-friendly shoes
CN113954283B (en) * 2021-10-26 2022-07-19 东莞市成信发泡胶有限公司 Foaming forming process of environment-friendly shoes
WO2024044993A1 (en) * 2022-08-30 2024-03-07 王宝欣 Method for manufacturing multicolor supercritically-foamed shoe body, and multicolor foamed shoe body

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