CN1830343A - EVA Rubber cork footbed and its manufacturing method - Google Patents
EVA Rubber cork footbed and its manufacturing method Download PDFInfo
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- CN1830343A CN1830343A CN 200610034753 CN200610034753A CN1830343A CN 1830343 A CN1830343 A CN 1830343A CN 200610034753 CN200610034753 CN 200610034753 CN 200610034753 A CN200610034753 A CN 200610034753A CN 1830343 A CN1830343 A CN 1830343A
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- eva
- cork
- rubber
- rubbery
- temperature
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- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
A wooden sandal is composed of an EVA substrate and a rubber-cork layer adhered on the surface of said EVA substrate. Said rubber-cork layer is proportionally prepared from EVA particles, rubber, 2m/m cork, stearic acid, zinc oxide, high-temp foaming agent, 2-phenyl propane peroxide, and pigment. It has high elasticity, anti-wear nature and toughness. Its preparing process is also disclosed.
Description
Technical field
The present invention relates to a kind of foot-bed attached to a shoe, especially a kind of EVA foot-bed attached to a shoe and preparation method thereof.
Background technology
Generally all directly adopt EVA (a kind of polyolefin plastics) material foaming to make the pin bed, utilize the elasticity that the EVA material foaming gives and can promote buffering effect between the foot trample action, reach the requirement of wear comfortableness, only relatively poor because of the wearability of EVA material itself, behind wear after a while, the pin bed is easy to wearing and tearing and can not continues to use, its practical poor effect.So, for improving the wearability of pin bed, footwear industry practitioner adopts elastomeric material in addition, utilize the antiwear characteristic of rubber material and give the pin bed higher wearability, it wears the life-span to use prolongation, but the quality of rubber material own is comparatively closely knit, and its elasticity of pin bed made from this kind rubber is relatively poor and weight is bigger, certainly will influence its wear comfortableness.
Summary of the invention
The object of the present invention is to provide a kind of comfortable pin bed of wearability, elasticity and wear that has concurrently, enable to improve its overall utility and prolong the wear life-span.
The present invention realizes above purpose by following technical measures:
A kind of EVA is Rubber cork footbed, pastes one deck rubbery cork layer on EVA heelpiece surface, and the rubbery cork layer comprises following raw material, and the weight proportion of each raw material is:
EVA micelle 20%~40%
Rubber 30%~60%
2m/m cork 13%~20%
Stearic acid 0.4%~1.5%
Zinc oxide 0.7%~2%
High-temperature foaming agent 2%~7%
Cumyl peroxide 0.5%~0.9%
In order to make the top layer of various colors, also can add 2%~8% look mother, in order to make color more stable, add 0.5%~2% titanium dioxide colorant simultaneously.
The EVA micelle has plasticity and ductility preferably, and the rubber pull resistance is strong, and flexibility and good springiness are more wear-resisting than EVA; Cork density is little, and elasticity and flexibility are good, and has aromatic odor.Compare with the performance that above-mentioned three is had separately, the composite that the three is mixed and made into has better wear resistance, elasticity and flexibility.
Vulcanizing activator stearic acid and zinc oxide improve cure efficiency simultaneously, also improve glue and connect density, and zinc oxide has good effect on thermal to vulcanizate, thereby improve the heat aging property of vulcanizate.
Described cumyl peroxide is a coupling agent, plays the effect of connection.
Described high-temperature foaming agent is a Celogen Az, and decomposes in sulfuration is emitted gas, makes colloid part produce micropore, thereby makes colloidal materials become soft.
Another object of the present invention provides the preparation method of described pin bed, and its step comprises:
1) each component of weighing,
2) earlier EVA micelle, rubber and medicament are put in the banbury, after temperature was heated to 100 ℃ during banburying, every rising was turned over once for 5 ℃, when the time is raised to 140 ℃, add cork and synthesize banburying, this moment, temperature was 135 ℃~140 ℃, and the material good banburying takes out, with the drum-type turbine material is thinned three times, beating thick 4-5m/m with turbine, weighing up the back and carry out primary vulcanization, using the 19# mould to hydraulic press, time is 33 minutes, takes out then and puts to cooling;
3) material is peeled, dug to cooled material, make the rubbery cork composite;
4) fit, rubbery cork composite and the EVA heelpiece of getting respective number are placed on the applying streamline, after rinsing the U-85AEVA inorganic agent on the binding face, flow to baking oven, and oven temperature is 50 ℃; After making inorganic agent oven dry, rinse U-266PU glue once, flow to next joint baking oven and make its drying adhesive, the one side of rubbery cork composite and EVA heelpiece having been rinsed glue sticks together, and pressing gets final product.
Pin bed accessory provided by the present invention has elasticity, wearability and toughness preferably, and the material softness, anti-complications, and in light weight, and have aromatic odor, be more suitable for contacting than common pin bed with sole.
The specific embodiment
Embodiment one
The present invention prepares the pin bed on white top layer, and the weight of each component of the material of use is divided into:
EVA micelle 20kg
Rubber 60kg
2m/m cork 13kg
Stearic acid 0.4kg
Zinc oxide 0.7kg
Celogen Az 2kg
Cumyl peroxide 0.5kg
Titanium dioxide 0.5kg
Ultra marine blue grain 1kg
Hang leucoplastid 1.6kg
Pink grain 0.3kg
Preparation method is as follows
1) each component of weighing, accuracy is 0.02g;
2) earlier EVA micelle, rubber and medicament are put in the banbury, after temperature was heated to 100 ℃ during banburying, every rising was turned over once for 5 ℃, when the time is raised to 140 ℃, add cork and synthesize banburying, this moment, temperature was 135 ℃, and the material good banburying takes out, with the drum-type turbine material is thinned three times, beating thick 4m/m with turbine, weighing up the back and carry out primary vulcanization, using the 19# mould to hydraulic press, time is 33 minutes, takes out then and puts to cooling;
3) material is peeled, dug to cooled material;
4) fit, the rubbery cork composite of respective number and EVA heelpiece are placed on the applying streamline, after rinsing the U-85AEVA inorganic agent on the binding face, flow to baking oven, and oven temperature is 50 ℃.After making the inorganic agent oven dry, rinse U-266PU glue once, flow to next joint baking oven and make its drying adhesive, will; The one side that rubbery cork composite and EVA heelpiece have been rinsed glue sticks together, and flattens to get final product.
Embodiment two
The present invention prepares the pin bed on red top layer,, the weight of each component of the material of use is divided into:
EVA micelle 30kg
Rubber 40kg
2m/m cork 20kg
Stearic acid 1.5kg
Zinc oxide 0.7kg
Celogen Az 2kg
Cumyl peroxide 0.8kg
Titanium dioxide 1kg
Pink grain 2kg
Bright red 2kg
Preparation method is as follows:
1) each component of weighing, accuracy is 0.02g;
2) earlier EVA micelle, rubber and medicament are put in the banbury, after temperature was heated to 100 ℃ during banburying, every rising was turned over once for 5 ℃, when the time is raised to 140 ℃, add cork and synthesize banburying, this moment, temperature was 140 ℃, and the material good banburying takes out, with the drum-type turbine material is thinned three times, beating thick 5m/m with turbine, weighing up the back and carry out primary vulcanization, using the 19# mould to hydraulic press, time is 33 minutes, takes out then and puts to cooling;
3) material is peeled, dug to cooled material;
4) fit, the rubbery cork composite of respective number and EVA heelpiece are placed on the applying streamline, after rinsing the U-85AEVA inorganic agent on the binding face, flow to baking oven, and oven temperature is 50 ℃.After making the inorganic agent oven dry, rinse U-266PU glue once, flow to next joint baking oven and make its drying adhesive, will; The one side that rubbery cork composite and EVA heelpiece have been rinsed glue sticks together, and flattens to get final product.
Embodiment three
The present invention prepares the pin bed on yellow top layer, and the weight of each component of the material of use is divided into:
EVA micelle 40kg
Rubber 30kg
2m/m cork 16kg
Stearic acid 1kg
Zinc oxide 1.5kg
Celogen Az 5kg
Cumyl peroxide 0.9kg
Titanium dioxide 0.6kg
Black grain 1.1kg
Erythropterin 1.2kg
Yellow grain 2kg
Large red grain 0.7kg
Preparation method is as follows:
1) each component of weighing, accuracy is 0.02g;
2) earlier EVA micelle, rubber and medicament are put in the banbury, after temperature was heated to 100 ℃ during banburying, every rising was turned over once for 5 ℃, when the time is raised to 140 ℃, add cork and synthesize banburying, this moment, temperature was 138 ℃, and the material good banburying takes out, with the drum-type turbine material is thinned three times, beating thick 4.5m/m with turbine, weighing up the back and carry out primary vulcanization, using the 19# mould to hydraulic press, time is 33 minutes, takes out then and puts to cooling;
3) material is peeled, dug to cooled material;
4) fit, the rubbery cork composite of respective number and EVA heelpiece are placed on the applying streamline, after rinsing the U-85AEVA inorganic agent on the binding face, flow to baking oven, and oven temperature is 50 ℃.After making the inorganic agent oven dry, rinse U-266PU glue once, flow to next joint baking oven and make its drying adhesive, will; The one side that rubbery cork composite and EVA heelpiece have been rinsed glue sticks together, and flattens to get final product.
The foregoing description has only been enumerated the weight combinations that some of them are relatively optimized, as long as be taken at other occurrences of scope of the invention proportioning, all can implement by the invention described above technical scheme.
Claims (3)
1, a kind of EVA is Rubber cork footbed, it is characterized in that: paste one deck rubbery cork layer on EVA heelpiece surface,
The rubbery cork layer comprises following raw material, and the weight proportion of each raw material is:
EVA micelle 20%~40%
Rubber 30%~60%
2m/m cork 13%~20%
Stearic acid 0.4%~1.5%
Zinc oxide 0.7%~2%
High-temperature foaming agent 2%~7%
Cumyl peroxide 0.5%~0.9%.
2, EVA according to claim 1 is Rubber cork footbed, it is characterized in that: the raw material of described rubbery cork layer comprises that also weight ratio is 2%~8% look mother, 0.5%~2% titanium dioxide.
3, a kind of Rubber cork footbed preparation method of the described EVA of claim 1 for preparing, its step comprises:
1) each component of weighing;
2) VA micelle, rubber and medicament are put in the banbury, and after temperature was heated to 100 ℃ during banburying, every rising was turned over once for 5 ℃, when the time is raised to 140 ℃, add cork and synthesize banburying, this moment, temperature was 135 ℃~140 ℃, and the material good banburying takes out, with the drum-type turbine material is thinned three times, beating thick 4-5m/m with turbine, weighing up the back and carry out primary vulcanization, using the 19# mould to hydraulic press, time is 33 minutes, takes out then and puts to cooling;
3) material is peeled, dug to cooled material, makes the rubbery cork composite;
4) fit, the rubbery cork composite of respective number and EVA heelpiece are placed on the applying streamline, after rinsing the U-85AEVA inorganic agent on the binding face, flow to baking oven, oven temperature is 50 ℃, make inorganic agent oven dry after, rinse U-266PU glue once, flow to next joint baking oven and make its drying adhesive, will; The one side that rubbery cork composite and EVA heelpiece have been rinsed glue sticks together, and flattens to get final product.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB200610034753XA CN100388897C (en) | 2006-03-31 | 2006-03-31 | EVA Rubber cork footbed and its manufacturing method |
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CNB200610034753XA CN100388897C (en) | 2006-03-31 | 2006-03-31 | EVA Rubber cork footbed and its manufacturing method |
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CN1830343A true CN1830343A (en) | 2006-09-13 |
CN100388897C CN100388897C (en) | 2008-05-21 |
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CNB200610034753XA Expired - Fee Related CN100388897C (en) | 2006-03-31 | 2006-03-31 | EVA Rubber cork footbed and its manufacturing method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102860627A (en) * | 2012-09-29 | 2013-01-09 | 刘四军 | Environment-friendly shoe material and production method thereof |
CN104608270A (en) * | 2015-01-19 | 2015-05-13 | 国发(福建)塑胶有限公司 | Preparation method of EVA (ethylene-vinyl acetate) foaming shoe material containing softwood |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3902207A1 (en) * | 1989-01-26 | 1990-08-02 | Ute Juergens | FOOTBED OF A SHOE IN THE FORM OF A SEPARATE FOOTBED INSERT OR FOOTBED LINED TO A SHOE |
US6703142B2 (en) * | 2000-06-02 | 2004-03-09 | The Rockport Company, Llc | Moldable article, method of making and composition for making moldable articles |
JP2002320503A (en) * | 2001-04-25 | 2002-11-05 | Sekaicho Rubber Co Ltd | Anti-slippage shoes sole member |
-
2006
- 2006-03-31 CN CNB200610034753XA patent/CN100388897C/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102860627A (en) * | 2012-09-29 | 2013-01-09 | 刘四军 | Environment-friendly shoe material and production method thereof |
CN104608270A (en) * | 2015-01-19 | 2015-05-13 | 国发(福建)塑胶有限公司 | Preparation method of EVA (ethylene-vinyl acetate) foaming shoe material containing softwood |
CN104608270B (en) * | 2015-01-19 | 2019-09-17 | 国发(福建)塑胶有限公司 | A kind of preparation method of the EVA foam shoe material containing cork |
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Publication number | Publication date |
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CN100388897C (en) | 2008-05-21 |
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Granted publication date: 20080521 |