CN105419074A - Hemp stalk core powder/POE/EVA composite foamed material and preparation method of same - Google Patents
Hemp stalk core powder/POE/EVA composite foamed material and preparation method of same Download PDFInfo
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- CN105419074A CN105419074A CN201510977379.6A CN201510977379A CN105419074A CN 105419074 A CN105419074 A CN 105419074A CN 201510977379 A CN201510977379 A CN 201510977379A CN 105419074 A CN105419074 A CN 105419074A
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- poe
- eva
- core buffer
- foam material
- kenaf core
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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
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a hemp stalk core powder/POE/EVA composite foamed material and a preparation method of the same. The composite foamed material includes following components, by mass, 37.5-67.5% of ethylene-vinyl acetate copolymer (EVA), 11-31% of ethylene-octene copolymer (POE), 15-25% of hemp stalk core powder, 3-4% of an azodicarbonamide-series foamer (ADC), 1.5-3% of ZnO, 0.4-0.6% of a crosslinking agent dicumyl peroxide (DCP), and 0.5-1% of stearic acid (St), wherein the mass percentage of the components is 100% in total. The composite foamed material is prepared through a mould pressing process and is easy to prepare. Compression set of the material is lower than 20% and rebound rate of the material is more than 45%. Shoes made from the composite foamed material are light in weight and are durable. Plant granules are added for partially replacing high-molecular materials, so that the composite foamed material is more environment-friendly.
Description
Technical field
The present invention relates to a kind of Chinese Kenaf Core Buffer powder/POE/EVA composite foam material and preparation method thereof.
Background technology
Polymeric foamable material has that specific tenacity is good, shock-absorbing capacity is good, sound-insulating and heat-insulating and the advantage such as production cost is lower, obtains develop rapidly in recent years, and is widely used in various field, as provided end etc. in bradyseism at running inner sole and the footwear large end in the whole world.Compression set refers to that material is subject to stress generation deformation, to remove after stress not resilient and remaining distortion, concerning foam material, the numerical value of the compression set recorded by experiment is less, show that its shock-resistant deformability is higher, thus the compression set performance of material is better.Itself there is the shortcoming of compression set difference in EVA foam material, all kinds of footwear of EVA foam material are after dress, material can produce the distortion that cannot recover, and has a strong impact on comfortableness and the wear of footwear material, and the compression set how improving material is the difficult problem all the time perplexing industry.
Compared with other are material modified, natural phant particle instead of macromolecular material to a certain extent, adds the degradation capability of material, and powdered plants can also improve the compression set of material, has environment protection significance.The compression set report that current research vegetable particle improves EVA foam material is few, and as the people such as Ke Yufa disclose the technical recipe of starch conversion EVA foam material in Chinese patent CN102134349A, but compression set is still more than 28%; The compression set of Li Cansheng vegetable fibre modified EVA foam material in Chinese patent CN103524870A is up to more than 50%; Ding Changgang discloses granulated dust cork modified EVA foam material in Chinese patent CN102993551A, and compression set is still not ideal enough.Not only material mechanical performance can be improved with the powder-modified EVA composite foam material of Chinese Kenaf Core Buffer, Chinese Kenaf Core Buffer powder itself has germ resistance, also take into account environmental protection, and have not been reported by the method that Chinese Kenaf Core Buffer powder and POE elastomers Chinese Kenaf Core Buffer powder/POE/EVA foam material improve Material compression deformation performance.
Summary of the invention
An object of the present invention is the shortcoming overcoming the incompressible deformability difference of existing EVA foam material, with natural antibacterial vegetable particle and the elastomer-modified EVA foam material of POE, there is provided a kind of Chinese Kenaf Core Buffer powder/POE/EVA composite foam material, to promote incompressible deformability and other mechanical properties.And Chinese Kenaf Core Buffer powder is with low cost, have environmental protection and economic implications.
Two of object of the present invention is the preparation method providing this composite foam material.
For reaching above-mentioned purpose, the present invention adopts following technical scheme:
A kind of Chinese Kenaf Core Buffer powder/POE/EVA composite foam material, is characterized in that the composition of this composite foam material and mass percentage are:
Vinyl-vinyl acetate copolymer (EVA): 37.5 ~ 67.5%;
Ethylene-octene copolymer (POE): 11 ~ 31%;
Chinese Kenaf Core Buffer powder: 15 ~ 25%;
Cellmic C 121 series whipping agent (ADC): 3 ~ 4%;
ZnO：1.5～3%；
Linking agent dicumyl peroxide (DCP): 0.4 ~ 0.6%;
Stearic acid (St): 0.5 ~ 1%;
The mass percentage sum of each composition is 100% above.
In above-mentioned vinyl-vinyl acetate copolymer (EVA), VA content is 14wt% ~ 28wt%.
Above-mentioned vinyl-vinyl acetate copolymer is: EVA7350, EVA7470 or EVA1519.
Above-mentioned ethylene-octene copolymer (POE) is: POE8150 or POE8003.
Above-mentioned Chinese Kenaf Core Buffer powder footpath is 1 ~ 100mm.
Above-mentioned Cellmic C 121 series whipping agent is: ADC-3000H or ADC-6000H.
A preparation method for above-mentioned Chinese Kenaf Core Buffer powder/EVA composite foam material, is characterized in that the concrete steps of the method are:
1) by Chinese Kenaf Core Buffer powder, EVA, POE, releasing agent (St) at 95 DEG C ~ 105 DEG C, banburying 10 ~ 15min; Add whipping agent (ADC), linking agent (DCP) and frothing aid (ZnO) again, fully mix, mixing time is 2 ~ 4min, rotating speed 25 ~ 35rpm;
2) mixing for step 1) gained complete good mixture is carried out two roller and open refining, restraint thin 4 times, design temperature 80 ~ 90 DEG C, beats thick 3mm ~ 5mm once by material, restraints a thin 0.6mm ~ 0.8mm, and 3 ~ 6mm twice after turning over, is fed into granulator granulation successively.。
The foaming method of foam material of the present invention is: the built-in die temperature of foaming machine is heated to 160 DEG C, then the upper appropriate releasing agent of spraying equably, and mould put into by pellet, carries out moulded from foam.Molding temperature is 160 DEG C, and clamp time is 950s, and pressure is 10-15Mpa.Foam complete, release mode hopping, cuts out foam material.
The invention has the advantages that: compared with existing EVA foam material, Chinese Kenaf Core Buffer powder/POE/EVA foam material not only compression set is good, and has germ resistance, can be used as the shoe-pad in footwear material, the use of the middle end.When Chinese Kenaf Core Buffer powder content be 25phr, POE elastomer content is 50phr, material mechanical performance is excellent, compression set is 18.3%, is better than market like product, other mechanical properties all be improved significantly, if elongation at break is 301.6%, add 68.9% than unmodified; Can use for a long time in different environments.
Embodiment
The composition of composite foam material of the present invention and mass percentage are:
Vinyl-vinyl acetate copolymer (EVA): 37.5 ~ 67.5%;
Ethylene-octene copolymer (POE): 11 ~ 31%;
Chinese Kenaf Core Buffer powder: 15 ~ 25%;
Cellmic C 121 series whipping agent (ADC): 3 ~ 4%;
ZnO：1.5～3%；
Linking agent dicumyl peroxide (DCP): 0.4 ~ 0.6%;
Stearic acid (St): 0.5 ~ 1%;
The mass percentage sum of each composition is 100% above.
By Banbury mixer inner chamber heating temperatures to 100 DEG C; Above-mentioned EVA, Chinese Kenaf Core Buffer powder, POE are joined in Banbury mixer mixing simultaneously, Chinese Kenaf Core Buffer powder, EVA7350, POE8150 are mixing to 95 DEG C of first time dedustings, 100 DEG C of second time dedusting stirrings, 105 DEG C of third time dedustings, the banburying time is 10-15min, whipping agent (ADC), linking agent (DCP), frothing aid (ZnO), releasing agent (St) is fully mixed, drop in Banbury mixer, 4th dedusting stirring, mixing time is 3min, rotating speed 30rpm.
After banburying completes, gained blend restraints thin 4 times in two roller mill, and design temperature 85 ± 5 DEG C, beats thick 3mm-5mm once by material, restraints a thin 0.6mm-0.8mm, turns over rear 3-6mm twice, be fed into granulator granulation successively.
The built-in die temperature of foaming machine is preheating to 160 DEG C, then the upper appropriate releasing agent of spraying equably, obtained particle is put into mould, carries out moulded from foam.Molding temperature is 160 DEG C, and clamp time is 950s, and pressure is 15Mpa.Foam complete, release mode hopping, cuts out foam material.
By above-mentioned steps, replace prescription quality ratio according to table 1, preparation embodiment 2-6 modified EVA foam material.The mass fraction of each raw material of table 1 embodiment 1-6 Chinese Kenaf Core Buffer powder/POE/EVA composite foam material.After test, the mechanical property that can obtain embodiment 1-6 Chinese Kenaf Core Buffer powder/POE/EVA composite foam material is as shown in table 2.
As can be seen from the table, by Chinese Kenaf Core Buffer powder and the elastomer-modified EVA foam material of POE, carrying content when Chinese Kenaf Core Buffer powder is 25%, when POE elastomer content is 31%, material mechanical performance is excellent, compared with unmodified, compression set is 18.3%, improve 23.1%, elongation at break is 301.6%, adds 68.9% than unmodified, and all the other comprehensive mechanical properties promote obviously, the present invention successfully improves the ability of the incompressible distortion of EVA foam material, and the footwear material prepared with this material wears well comfortable.
Claims (7)
1. Chinese Kenaf Core Buffer powder/POE/EVA composite foam material, is characterized in that the composition of this composite foam material and mass percentage are:
Vinyl-vinyl acetate copolymer (EVA): 37.5 ~ 67.5%;
Ethylene-octene copolymer (POE): 11 ~ 31%;
Chinese Kenaf Core Buffer powder: 15 ~ 25%;
Cellmic C 121 series whipping agent (ADC): 3 ~ 4%;
ZnO：1.5～3%；
Linking agent dicumyl peroxide (DCP): 0.4 ~ 0.6%;
Stearic acid (St): 0.5 ~ 1%;
The mass percentage sum of each composition is 100% above.
2. Chinese Kenaf Core Buffer powder/POE/EVA composite foam material according to claim 1, is characterized in that in described vinyl-vinyl acetate copolymer (EVA), VA content is 14wt% ~ 28wt%.
3. Chinese Kenaf Core Buffer powder/POE/EVA composite foam material according to claim 2, is characterized in that described vinyl-vinyl acetate copolymer is: EVA7350, EVA7470 or EVA1519.
4. Chinese Kenaf Core Buffer powder/POE/EVA composite foam material according to claim 1, is characterized in that described ethylene-octene copolymer (POE) is: POE8150 or POE8003.
5. Chinese Kenaf Core Buffer powder/POE/EVA composite foam material according to claim 1, is characterized in that described Chinese Kenaf Core Buffer powder footpath is 1 ~ 100mm.
6. Chinese Kenaf Core Buffer powder/POE/EVA composite foam material according to claim 1, is characterized in that described Cellmic C 121 series whipping agent is: ADC-3000H or ADC-6000H.
7. a preparation method for Chinese Kenaf Core Buffer powder/EVA composite foam material according to claim 1, is characterized in that the concrete steps of the method are:
1) by Chinese Kenaf Core Buffer powder, EVA, POE, releasing agent (St) at 95 DEG C ~ 105 DEG C, banburying 10 ~ 15min; Add whipping agent (ADC), linking agent (DCP) and frothing aid (ZnO) again, fully mix, mixing time is 2 ~ 4min, rotating speed 25 ~ 35rpm;
2) mixing for step 1) gained complete good mixture is carried out two roller and open refining, restraint thin 4 times, design temperature 80 ~ 90 DEG C, beats thick 3mm ~ 5mm once by material, restraints a thin 0.6mm ~ 0.8mm, and 3 ~ 6mm twice after turning over, is fed into granulator granulation successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510977379.6A CN105419074A (en) | 2015-12-23 | 2015-12-23 | Hemp stalk core powder/POE/EVA composite foamed material and preparation method of same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510977379.6A CN105419074A (en) | 2015-12-23 | 2015-12-23 | Hemp stalk core powder/POE/EVA composite foamed material and preparation method of same |
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| CN105419074A true CN105419074A (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510977379.6A Pending CN105419074A (en) | 2015-12-23 | 2015-12-23 | Hemp stalk core powder/POE/EVA composite foamed material and preparation method of same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106867088A (en) * | 2017-02-14 | 2017-06-20 | 上海大学 | A kind of hydroscopic fast-drying foamed shoe-pad material and preparation method thereof |
| CN107434873A (en) * | 2017-07-03 | 2017-12-05 | 三六度(中国)有限公司 | A kind of noctilucence midsole composition and its application |
| CN115612198A (en) * | 2022-09-27 | 2023-01-17 | 中国皮革制鞋研究院有限公司 | Silane carbon quantum dot modified hemp powder/polymer composite foam material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319776A (en) * | 2013-07-01 | 2013-09-25 | 中国皮革和制鞋工业研究院 | Functional gradient foamed sole material and preparation method thereof |
| CN104231415A (en) * | 2014-10-08 | 2014-12-24 | 金猴集团威海鞋业有限公司 | Modified EVA foaming shoe material containing hemp powder and preparation method thereof |
| CN104893083A (en) * | 2015-05-13 | 2015-09-09 | 苏州市景荣科技有限公司 | Deodorant antibacterial EVA shoe material, and preparation method thereof |
-
2015
- 2015-12-23 CN CN201510977379.6A patent/CN105419074A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319776A (en) * | 2013-07-01 | 2013-09-25 | 中国皮革和制鞋工业研究院 | Functional gradient foamed sole material and preparation method thereof |
| CN104231415A (en) * | 2014-10-08 | 2014-12-24 | 金猴集团威海鞋业有限公司 | Modified EVA foaming shoe material containing hemp powder and preparation method thereof |
| CN104893083A (en) * | 2015-05-13 | 2015-09-09 | 苏州市景荣科技有限公司 | Deodorant antibacterial EVA shoe material, and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106867088A (en) * | 2017-02-14 | 2017-06-20 | 上海大学 | A kind of hydroscopic fast-drying foamed shoe-pad material and preparation method thereof |
| CN107434873A (en) * | 2017-07-03 | 2017-12-05 | 三六度(中国)有限公司 | A kind of noctilucence midsole composition and its application |
| CN115612198A (en) * | 2022-09-27 | 2023-01-17 | 中国皮革制鞋研究院有限公司 | Silane carbon quantum dot modified hemp powder/polymer composite foam material and preparation method thereof |
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Application publication date: 20160323 |
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