CN109762239A - A kind of closed cell foamed material and its preparation method and application - Google Patents
A kind of closed cell foamed material and its preparation method and application Download PDFInfo
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- CN109762239A CN109762239A CN201811616451.2A CN201811616451A CN109762239A CN 109762239 A CN109762239 A CN 109762239A CN 201811616451 A CN201811616451 A CN 201811616451A CN 109762239 A CN109762239 A CN 109762239A
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Abstract
The invention discloses a kind of closed cell foamed material and its preparation method and application, by after the mixing of following each raw material component through mixer mixing, open mill cooling dispersion milling, granulation, foaming and cutting is made: EVA 50-70 parts by weight, OBC 10-20 parts by weight, EPDM 20-30 parts by weight, catalysis T reagent 2.5-3.5 parts by weight, DCP crosslinking agent 0.6-1.0 parts by weight and AC modified foaming agent 2.5-3.5 parts by weight.The present invention passes through the introducing of catalysis T reagent, with the special foamed material that popular rubber and plastic modification mode is process, because of its structural elasticity, special resiliency can effectively absorb impact energy for human body running, movement, store and discharge, keep movement more light, it is masterly.
Description
Technical field
The invention belongs to material for shoes technical fields, and in particular to a kind of closed cell foamed material and preparation method thereof and answer
With.
Background technique
With reaching its maturity for EVA tradition foamed material technology, the development and application of new material, to scheme in original EVA rubber
Performance is further promoted again on the basis of foaming is blended in modeling, it has also become the focus of numerous research and development.It the exploitation of new product and answers
Then include following aspect with research direction: 1, foaming, the promotion of raw material property is blended in EVA, for example uses specific rubber such as
IR, NR, EPDM, BIIR etc. and EVA blending and modifying, to pursue the further breakthrough in performance, as superelevation rebound, it is super soft, with
And lower shrinkage, anti-deformation etc. ability.2, using new technique, new material and mentality of designing, similar BOOST, with TPU
Critical foaming technique is made in a manner of physical blowing by the steam mould pressing process of specific customization.Obtained foam material
Material, has the characteristic of TPU lower shrinkage, has been provided simultaneously with the characteristics such as the unapproachable feel of EVA institute, corrugationless.3, using existing
Technique and equipment, by the research and development of formula technique, make be made foamed material be different from traditional EVA material, show in appearance
It is more novel, while using new material and EVA rubber plastic blend, there is further promotion in performance, for example use special foaming agent
Translucent EVA shoe bottom made of processing, similar flash foam.
Summary of the invention
The purpose of the present invention is to provide a kind of closed cell foamed materials.
Another object of the present invention is to provide the preparation methods of above-mentioned closed cell foamed material.
A further object of the present invention is to provide the applications of above-mentioned closed cell foamed material.
Technical scheme is as follows:
A kind of closed cell foamed material, by mixed through mixer mixing, open mill cooling dispersion after the mixing of following each raw material component
It refines, be granulated, foam and cut and be made: EVA 50-70 parts by weight, OBC 10-20 parts by weight, EPDM 20-30 parts by weight, catalysis T
Reagent 2.5-3.5 parts by weight, DCP crosslinking agent 0.6-1.0 parts by weight and AC modified foaming agent 2.5-3.5 parts by weight；Wherein it is catalyzed T
Reagent is made of thermoplastic elastomer (TPE), zinc stearate, stearic acid, calcium carbonate and zinc oxide, and AC modified foaming agent is by azo diformazan
Amide is modified through silane coupling agent KH845-4, then mixes with zinc stearate, sodium bicarbonate, nitrous acid H foaming agent.
In a preferred embodiment of the invention, the granularity of the azodicarbonamide is 2000-3000 mesh.
In a preferred embodiment of the invention, the catalysis T reagent is by thermoplastic elastomer (TPE), zinc stearate, hard
Resin acid, calcium carbonate and zinc oxide are formed with 70: 0.8: 1.0: 5: 1.2 weight ratio.
In a preferred embodiment of the invention, the thermoplastic elastomer (TPE) is Ai Kesen vistmaxx elastomer.
In a preferred embodiment of the invention, the EVA is EVA6110, and the OBC is OBC9107, described
EPDM is EPDM722.
The preparation method of above-mentioned closed cell foamed material, includes the following steps:
(1) each component is weighed by weight；
(2) by 10~15min of mixer mixing after being sufficiently mixed each component, in 125-130 DEG C of temperature discharging；
(3) by step (2) resulting material in carried out on open mill cooling 5~8min of dispersion milling after carry out be granulated and it is cold
But at least for 24 hours；
(4) step (3) resulting material is subjected on vesicle machine foaming operation, obtains foaming crude green body finished product；
(5) the resulting foaming crude green body finished product of step (4) cut in flakes,.
A kind of shoes, raw material include above-mentioned closed cell foamed material.
A kind of sole, raw material include above-mentioned closed cell foamed material.
The beneficial effects of the present invention are:
1, the present invention is made of special foaming agent for sole, can reach translucent effect, and this case is translucent
On the basis of, above-mentioned special foaming formulation technology is quoted, makes manufactured goods that special honeycomb type structure be presented, thus beautify product
Appearance.
2, the present invention carries out rubber-plasitcs blend modification side by the introducing of catalysis T reagent with thermoplastic elastomer (TPE) OBC and EPDM
The special foamed material that formula is process, because of its structural elasticity, special resiliency, for human body running, movement can be effective
Impact energy is absorbed, stores and discharges, keeps movement more light, it is masterly.
3, closed cell foamed material of the invention shows 72% energy feedback value.
Detailed description of the invention
Fig. 1 is the photo in kind of closed cell foamed material made from the embodiment of the present invention 1.
Specific embodiment
Technical solution of the present invention is further explained and described below by way of specific embodiment combination attached drawing.
Embodiment 1
A kind of closed cell foamed material, by mixed through mixer mixing, open mill cooling dispersion after the mixing of following each raw material component
It refines, be granulated, foam and cut and be made:
EVA611060 parts by weight (Yangba 26%EVA is of an established trade mark commercially available)
OBC910710 parts by weight (DOW infuse 9107)
EPDM72230 parts by weight (DOW EPDM722)
It is catalyzed 2.8 parts by weight of T reagent
0.6 parts by weight of DCP crosslinking agent (Aksu peroxidating two different stupid third, cumyl peroxide, model PERKADOX
99% purity of BCFF, lenticular)
2.5 parts by weight of AC modified foaming agent；Wherein,
Be catalyzed T reagent, specifically by gloomy 70 parts by weight of vistmaxx elastomer of Ai Ke, zinc stearate (good processing aid,
Can soften material, reduce foaming agent decomposition temperature) 0.8 parts by weight, (polymer molecule in-lubricant can reduce hair to stearic acid
Infusion decomposition temperature) 1.0 parts by weight, 5 parts by weight of calcium carbonate and 1.2 parts by weight of zinc oxide composition；
AC modified foaming agent is a kind of nano active foaming agent, and foaming product has bigger change in physical mechanical property
Kind, foaming gas production is 170mL/g, 175 DEG C of decomposition temperature；2000-3000 mesh is ground to by azodicarbonamide, is then passed through
Modified (the method that adsorption is carried out using nano material of silane coupling agent KH845-4 (Jiangsu Chenguang Coincident Dose Co., Ltd.)
Carry out surface-active-treatment) after, then mix with zinc stearate, sodium bicarbonate, nitrous acid H foaming agent that (prior art is conventional
Ratio).
The preparation method of above-mentioned closed cell foamed material, includes the following steps:
(1) each component is weighed by weight；
(2) by mixer mixing 15min after being sufficiently mixed each component, in 128 DEG C of temperature dischargings；
(3) step (2) resulting material is granulated and is cooled down after carrying out cooling dispersion milling 6min on open mill
At least for 24 hours；
(4) step (3) resulting material is subjected on vesicle machine foaming operation, obtains foaming crude green body finished product；
(5) the resulting foaming crude green body finished product of step (4) cut in flakes, then carved and formed with engraving machine,.
The present embodiment is by viscosity test and rheometer test, when extrapolating the optimal viscosity system of material and AC decomposition
Between, it is introduced by catalysis T reagent, special honeycomb knot can be shown so that foaming in the control of specific viscosity, the degree of cross linking
Structure belongs to special foaming agent simultaneously as AC modified foaming agent is different from traditional azodicarbonamide herein, and being made product can
To keep semi-transparent state, as shown in Figure 1；
The present embodiment springs back the energy feedback curve of equipment test material by bradyseism, can extrapolate, with this cellular
Foam structure, be different from traditional compactness gas vacuole structure, show the very outstanding bradyseism performance of material and high
Energy feedback value.
The physical property of closed cell foamed material made from the present embodiment is as follows:
Resilience: 63%
Compression verification: 34% (50 degree 6 hours)
Shrink test: L1.3W 0.5
Cell size: 0.5-1.0mm
The comparison of the physical property of closed cell foamed material made from the present embodiment and existing other materials is as shown in table 1 below:
Table 1
L: length, W: width
Embodiment 2
A kind of closed cell foamed material, by mixed through mixer mixing, open mill cooling dispersion after the mixing of following each raw material component
It refines, be granulated, foam and cut and be made:
EVA611060 parts by weight (Yangba 26%EVA is of an established trade mark commercially available)
OBC910715 parts by weight (DOW infuse 9107)
EPDM72225 parts by weight (DOW EPDM722)
It is catalyzed 2.8 parts by weight of T reagent
0.6 parts by weight of DCP crosslinking agent (Aksu peroxidating two different stupid third, cumyl peroxide, model
99% purity of PERKADOXBCFF, lenticular)
2.8 parts by weight of AC modified foaming agent；
Remaining with embodiment 1,
The physical property of closed cell foamed material made from the present embodiment is as follows:
Resilience: 66%
Compression verification: 36% (50 degree 6 hours)
Shrink test: L1.4W0.5
Cell size: 0.5-1.2mm
Embodiment 3
A kind of closed cell foamed material, by mixed through mixer mixing, open mill cooling dispersion after the mixing of following each raw material component
It refines, be granulated, foam and cut and be made:
65 parts by weight of EVA6110 (Yangba 26%EVA is of an established trade mark commercially available)
20 parts by weight of OBC9107 (DOW infuse 9107)
20 parts by weight of EPDM722 (DOW EPDM722)
It is catalyzed 2.8 parts by weight of T reagent
0.6 parts by weight of DCP crosslinking agent (Aksu peroxidating two different stupid third, cumyl peroxide, model
99% purity of PERKADOXBCFF, lenticular)
3 parts by weight of AC modified foaming agent；
Remaining with embodiment 1,
The physical property of closed cell foamed material made from the present embodiment is as follows:
Resilience: 70%
Compression verification: 37% (50 degree 6 hours)
Shrink test: L1.4W0.6
Cell size: 0.5-1.2mm
Embodiment 4
A kind of closed cell foamed material, by mixed through mixer mixing, open mill cooling dispersion after the mixing of following each raw material component
It refines, be granulated, foam and cut and be made:
60 parts by weight of EVA6110 (Yangba 26%EVA is of an established trade mark commercially available)
15 parts by weight of OBC9107 (DOW infuse 9107)
25 parts by weight of EPDM722 (DOW EPDM722)
It is catalyzed 2.8 parts by weight of T reagent
0.8 parts by weight of DCP crosslinking agent (Aksu peroxidating two different stupid third, cumyl peroxide, model
99% purity of PERKADOXBCFF, lenticular)
3 parts by weight of AC modified foaming agent；
Remaining with embodiment 1,
The physical property of closed cell foamed material made from the present embodiment is as follows:
Resilience: 67%
Compression verification: 36% (50 degree 6 hours)
Shrink test: L1.5W0.6
Cell size: 0.8-1.8mm
Embodiment 5
A kind of closed cell foamed material, by mixed through mixer mixing, open mill cooling dispersion after the mixing of following each raw material component
It refines, be granulated, foam and cut and be made:
65 parts by weight of EVA6110 (Yangba 26%EVA is of an established trade mark commercially available)
20 parts by weight of OBC9107 (DOW infuse 9107)
20 parts by weight of EPDM722 (DOW EPDM722)
It is catalyzed 2.8 parts by weight of T reagent
1 parts by weight of DCP crosslinking agent (Aksu peroxidating two different stupid third, cumyl peroxide, model PERKADOXBCFF
99% purity, lenticular)
3.5 parts by weight of AC modified foaming agent；
Remaining with embodiment 1,
The physical property of closed cell foamed material made from the present embodiment is as follows:
Resilience: 72%
Compression verification: 38% (50 degree 6 hours)
Shrink test: L1.6W0.7
Cell size: 1.0-2.0mm
Embodiment 6
A kind of shoes, raw material include closed cell foamed material made from embodiment 1 to 5.
Embodiment 7
A kind of sole, raw material include closed cell foamed material made from embodiment 1 to 5.Following forms can be used in the sole:
(1) whole sole: midsole (upper layer)+outer bottom (lower layer), including closed cell foamed material made from embodiment 1 to 5
Closed cell foamed material made from the structure and embodiment of leakage is embedded in the structure in sole.
(2) sole half is inserted: midsole followed by place using closed cell foamed material made from above-described embodiment 1 to 5, at half sole
Using common EVA material.
(3) embedded: closed cell foamed material made from above-described embodiment 1 to 5 is embedded in the particular portion in EVA shoe indsole
Position, such as the maximum position of lateral heel & half sole inside pressure peak value.
The foregoing is only a preferred embodiment of the present invention, the range that the present invention that therefore, it cannot be limited according to is implemented, i.e.,
Equivalent changes and modifications made in accordance with the scope of the invention and the contents of the specification should still be within the scope of the present invention.
Claims (8)
1. a kind of closed cell foamed material, it is characterised in that: by being dropped after the mixing of following each raw material component through mixer mixing, open mill
Warm dispersion milling, granulation, foaming and cutting is made: EVA 50-70 parts by weight, OBC 10-20 parts by weight, EPDM 20-30 weight
Part, catalysis T reagent 2.5-3.5 parts by weight, DCP crosslinking agent 0.6-1.0 parts by weight and AC modified foaming agent 2.5-3.5 parts by weight；
Wherein catalysis T reagent be made of thermoplastic elastomer (TPE), zinc stearate, stearic acid, calcium carbonate and zinc oxide, AC modified foaming agent by
Azodicarbonamide is modified through silane coupling agent KH845-4, then mixes with zinc stearate, sodium bicarbonate, nitrous acid H foaming agent
It forms.
2. a kind of closed cell foamed material as described in claim 1, it is characterised in that: the granularity of the azodicarbonamide is
2000-3000 mesh.
3. a kind of closed cell foamed material as described in claim 1, it is characterised in that: the catalysis T reagent is by thermoplastic elastic
Body, zinc stearate, stearic acid, calcium carbonate and zinc oxide are formed with 70: 0.8: 1.0: 5: 1.2 weight ratio.
4. a kind of closed cell foamed material as described in any claim in claims 1 to 3, it is characterised in that: the thermoplastic
Property elastomer be Ai Kesen vistmaxx elastomer.
5. a kind of closed cell foamed material as described in any claim in claims 1 to 3, it is characterised in that: the EVA is
EVA6110, the OBC are OBC9107, and the EPDM is EPDM722.
6. the preparation method of closed cell foamed material described in any claim in claim 1 to 5, it is characterised in that: including
Following steps:
(1) each component is weighed by weight；
(2) by 10~15min of mixer mixing after being sufficiently mixed each component, in 125~130 DEG C of temperature dischargings；
(3) step (2) resulting material is granulated and is cooled to after carrying out cooling 5~8min of dispersion milling on open mill
Less for 24 hours；
(4) step (3) resulting material is subjected on vesicle machine foaming operation, obtains foaming crude green body finished product；
(5) the resulting foaming crude green body finished product of step (4) cut in flakes,.
7. a kind of shoes, it is characterised in that: its raw material includes closed-cell foam material described in any claim in claim 1 to 5
Material.
8. a kind of sole, it is characterised in that: its raw material includes closed-cell foam described in any claim in claim 1 to 5
Material.
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| CN201811616451.2A CN109762239A (en) | 2018-12-27 | 2018-12-27 | A kind of closed cell foamed material and its preparation method and application |
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| CN201811616451.2A CN109762239A (en) | 2018-12-27 | 2018-12-27 | A kind of closed cell foamed material and its preparation method and application |
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| CN105385015A (en) * | 2015-12-17 | 2016-03-09 | 茂泰(福建)鞋材有限公司 | Ultralight EVA sole and preparation method thereof |
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| CN106479033A (en) * | 2016-11-22 | 2017-03-08 | 福建省龙麒新材料发展有限公司 | A kind of trnaslucent materials and preparation method thereof and the sole prepared by the material |
| CN106905599A (en) * | 2017-04-21 | 2017-06-30 | 安踏（中国）有限公司 | A kind of lightweight high-elastic EVA composite foam material and its preparation method and application |
| CN108676242A (en) * | 2018-05-17 | 2018-10-19 | 谢冠华 | A kind of sole and preparation method thereof with light transmission function |
-
2018
- 2018-12-27 CN CN201811616451.2A patent/CN109762239A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050239914A1 (en) * | 2001-12-17 | 2005-10-27 | Marcel Salamon | Method for cross-linking a foamable plastic |
| CN103289179A (en) * | 2013-06-18 | 2013-09-11 | 新侨伟（福建）鞋服有限公司 | High-elasticity sneaker air cushion sole and production method thereof |
| CN105385015A (en) * | 2015-12-17 | 2016-03-09 | 茂泰(福建)鞋材有限公司 | Ultralight EVA sole and preparation method thereof |
| CN105585769A (en) * | 2016-03-14 | 2016-05-18 | 福建省长立网络科技有限公司 | High-wear-resistance elastic polymer rubber material and preparation method thereof |
| CN106479033A (en) * | 2016-11-22 | 2017-03-08 | 福建省龙麒新材料发展有限公司 | A kind of trnaslucent materials and preparation method thereof and the sole prepared by the material |
| CN106905599A (en) * | 2017-04-21 | 2017-06-30 | 安踏（中国）有限公司 | A kind of lightweight high-elastic EVA composite foam material and its preparation method and application |
| CN108676242A (en) * | 2018-05-17 | 2018-10-19 | 谢冠华 | A kind of sole and preparation method thereof with light transmission function |
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