CN113462061A - Environment-friendly odorless EVA (ethylene-vinyl acetate) foaming material and preparation method thereof - Google Patents
Environment-friendly odorless EVA (ethylene-vinyl acetate) foaming material and preparation method thereof Download PDFInfo
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- CN113462061A CN113462061A CN202110584875.0A CN202110584875A CN113462061A CN 113462061 A CN113462061 A CN 113462061A CN 202110584875 A CN202110584875 A CN 202110584875A CN 113462061 A CN113462061 A CN 113462061A
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- 239000000463 material Substances 0.000 title claims abstract description 112
- 238000005187 foaming Methods 0.000 title claims abstract description 84
- 230000009965 odorless effect Effects 0.000 title claims abstract description 49
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 title abstract description 50
- 239000005038 ethylene vinyl acetate Substances 0.000 title abstract description 50
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 title abstract description 50
- 238000002360 preparation method Methods 0.000 title abstract description 38
- 229920005989 resin Polymers 0.000 claims abstract description 72
- 239000011347 resin Substances 0.000 claims abstract description 72
- 239000004088 foaming agent Substances 0.000 claims abstract description 67
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 54
- 238000002156 mixing Methods 0.000 claims abstract description 39
- 239000002131 composite material Substances 0.000 claims abstract description 31
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000007731 hot pressing Methods 0.000 claims abstract description 18
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 17
- 238000003801 milling Methods 0.000 claims abstract description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical group O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 56
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 56
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 46
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 claims description 44
- 239000002023 wood Substances 0.000 claims description 33
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 25
- 239000007822 coupling agent Substances 0.000 claims description 25
- 235000013312 flour Nutrition 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 18
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- 239000000084 colloidal system Substances 0.000 claims description 14
- 239000011259 mixed solution Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 9
- 230000000887 hydrating effect Effects 0.000 claims description 7
- 230000009967 tasteless effect Effects 0.000 abstract description 33
- 239000006261 foam material Substances 0.000 abstract description 12
- 239000007789 gas Substances 0.000 abstract description 12
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 30
- 230000000052 comparative effect Effects 0.000 description 22
- 239000000203 mixture Substances 0.000 description 14
- 239000000843 powder Substances 0.000 description 11
- 229910021529 ammonia Inorganic materials 0.000 description 10
- 230000035943 smell Effects 0.000 description 9
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000006260 foam Substances 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 5
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 3
- 239000004156 Azodicarbonamide Substances 0.000 description 3
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 3
- 235000019399 azodicarbonamide Nutrition 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000009830 intercalation Methods 0.000 description 3
- 239000002085 irritant Substances 0.000 description 3
- 231100000021 irritant Toxicity 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- AWFYPPSBLUWMFQ-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(1,4,6,7-tetrahydropyrazolo[4,3-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)NN=C2 AWFYPPSBLUWMFQ-UHFFFAOYSA-N 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- 229920001875 Ebonite Polymers 0.000 description 1
- 241000270288 Gekko Species 0.000 description 1
- 235000008586 Hovenia Nutrition 0.000 description 1
- 241000405398 Hovenia Species 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- JAWMENYCRQKKJY-UHFFFAOYSA-N [3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-ylmethyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-en-8-yl]-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]methanone Chemical compound N1N=NC=2CN(CCC=21)CC1=NOC2(C1)CCN(CC2)C(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F JAWMENYCRQKKJY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000000497 foam cell Anatomy 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—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
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
-
- 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
- C08J9/009—Use of pretreated compounding ingredients
-
- 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
- C08J2423/06—Polyethene
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The application relates to the field of polymer composite materials, and particularly discloses an environment-friendly odorless EVA (ethylene-vinyl acetate) foam material and a preparation method thereof. The foaming material comprises 25-35 parts by weight of EVA resin, 8-12 parts by weight of POE resin, 8-12 parts by weight of PE resin, 20-30 parts by weight of talcum powder, 0.1-0.3 part by weight of tasteless cross-linking agent, 1.5-1.66 parts by weight of foaming agent and 1.5-2.1 parts by weight of zinc stearate; the preparation method comprises the following steps: uniformly mixing all the components except the odorless cross-linking agent and the foaming agent, banburying for 5-10min, adding the odorless cross-linking agent and the foaming agent, continuing banburying for 48-52min to obtain a banburying material, and then carrying out hot pressing and open milling on the banburying material to obtain the foaming material. The foaming material has the advantages of low content of gases with pungent odor, environmental friendliness and strong mechanical property.
Description
Technical Field
The application relates to the field of polymer composite materials, in particular to an environment-friendly odorless EVA (ethylene-vinyl acetate) foam material and a preparation method thereof.
Background
The EVA foaming material is prepared by using EVA resin and PE resin as raw materials, adding other auxiliary agents, and carrying out die pressing crosslinking foaming or injection molding foaming. EVA foam materials have good flexibility, low temperature resistance, stress cracking resistance, transparency, gloss, and processability, and are widely used in the manufacture of shoe materials, bag liners, toy materials, sporting goods materials, building materials, and various new applications.
However, the foaming system of the EVA foaming material mainly adopts a formamide foaming system, however, the formamide foaming agent can generate gases with pungent odor such as ammonia gas and formamide in the foaming decomposition process, so that the prepared EVA foaming material has pungent and unpleasant odor and is easy to generate certain harm to human health. Therefore, the inventor considers that the research on the EVA foaming material which is environment-friendly and odorless has very important significance.
Disclosure of Invention
In order to solve the technical problem, the application provides an environment-friendly odorless EVA foaming material and a preparation method thereof.
First aspect, the application provides an environmental protection tasteless EVA expanded material adopts following technical scheme:
an environment-friendly odorless EVA foaming material comprises the following raw materials:
25-35 parts of EVA resin;
8-12 parts of POE resin;
8-12 parts of PE resin;
20-30 parts of talcum powder;
0.1-0.3 part by weight of odorless cross-linking agent;
1.5-1.66 parts by weight of foaming agent;
1.5-2.1 parts by weight of zinc stearate;
the foaming agent is montmorillonite/OBSH composite foaming agent.
By adopting the technical scheme, the foaming agent adopted by the method is a montmorillonite/OBSH composite foaming agent, and is an organic-inorganic composite foaming agent obtained by intercalating the OBSH foaming agent (4, 4-oxybis-benzenesulfonylhydrazide) into a montmorillonite laminated structure. Compared with the formamide foaming agent adopted in the traditional foaming material, the OBSH foaming agent has the characteristics of no toxicity, no odor, no coloring property and the like of decomposition products, so that the content of gases with pungent odor such as ammonia in the foaming material prepared by the application is low, the effect of no ammonia and no odor when a human body smells is achieved, the foaming material is green and environment-friendly, and the possibility of harm of the pungent odor to the health of the human body is reduced.
Moreover, the cross-linking agent adopted by the application is an odorless cross-linking agent, so that the possibility that the chemical auxiliary agent introduced into the foaming material can decompose and generate gas with pungent smell can be further reduced, and the prepared EVA foaming material achieves the effect of enabling a human body to smell ammonia-free and odorless, and is green and environment-friendly.
In addition, this application still adopts the base material of EVA resin, POE resin and this three kinds of resin blending of PE resin as foaming material, utilizes EVA resin to increase the foaming nucleation point of base material, has improved the melt strength of base material, is favorable to pinning the cell that the foamer produced, with the cell evenly dispersed in the fuse-element, improves the structure of cell, has compensatied the relatively poor defect of PE resin and POE resin foamability, has improved the foamability of base material to foaming material's mechanical properties has been improved. Meanwhile, the good mechanical properties and processability of the PE resin and the POE resin are utilized to make up for the defect of low mechanical strength of the EVA resin, and the mechanical properties of the foam material are further improved.
To sum up, the expanded material of this application is with EVA resin, PE resin and POE resin blend as the substrate, adopts tasteless cross-linking agent and montmorillonite/OBSH composite foaming agent to carry out mould pressing cross-linking foaming and makes, and the gaseous content that ammonia etc. has pungent smell is lower in this expanded material, can reach and make the human body smell no ammonia odorless effect, and green has reduced the possibility that pungent smell produced harm to human health to mechanical properties is stronger, soft, has the resilience.
Preferably, the feedstock comprises the following components:
30 parts of EVA resin;
10 parts of POE resin;
10 parts of PE resin;
25 parts of talcum powder;
0.2 part by weight of odorless cross-linking agent;
1.58 parts by weight of a foaming agent;
1.8 parts by weight of zinc stearate.
By adopting the technical scheme, the foaming material is further prepared from the raw materials with the preferable addition amount, so that the content of gases with pungent odor, such as ammonia gas, in the prepared foaming material can be further reduced, the possibility of harm of the pungent odor to human health is further reduced, the synergistic effect of the components can be further exerted, and the mechanical property of the foaming material is enhanced.
Preferably, 1, 4-di-tert-butylperoxyisopropyl benzene is used as the odorless crosslinking agent.
By adopting the technical scheme, the tasteless cross-linking agent adopts 1, 4-di-tert-butylperoxyisopropyl benzene, namely the tasteless cross-linking agent BIPB, has a stronger cross-linking effect, generates no irritant odor in the manufacturing process of the foaming material and the manufactured foaming material, reduces the content of irritant gas in the foaming material, is green and environment-friendly, and reduces the possibility of harm of the irritant odor to human health.
Preferably, the montmorillonite/OBSH composite foaming agent is prepared by adopting the following method:
a. hydrating 1-5 parts by weight of montmorillonite in water for 22-24h, acidifying 5-9 parts by weight of hydrochloric acid for 4-5h, adjusting the pH value of the system to 3-5, dispersing in 20-26 parts by weight of water, adding 10-14 parts by weight of dimethyl sulfoxide, and uniformly mixing to obtain montmorillonite colloid;
b. and (b) dissolving 0.8-1.2 parts by weight of OBSH in 10-14 parts by weight of dimethyl sulfoxide to obtain a mixed solution, then adding the mixed solution into the montmorillonite colloid in the step (a), stirring for 20-24h at the temperature of 50-54 ℃, and then centrifuging, washing and drying to obtain the montmorillonite/OBSH composite foaming agent.
Through adopting above-mentioned technical scheme, this application with OBSH foamer intercalation to montmorillonite lamellar structure in, utilize the montmorillonite lamella to play the confinement effect to the OBSH foamer for the OBSH foamer can be along with the dispersion of montmorillonite distribution in the substrate, thereby evenly distributed in the middle of the substrate, has improved the local foaming volume of OBSH foamer too big, local decomposition temperature scheduling problem, and then make the foam that makes in the expanded material more even, has improved expanded material's mechanical properties.
Preferably, in the step b, the washing process is as follows: washing with dimethyl sulfoxide for 2-3 times, and then washing with carbon tetrachloride for 2-3 times.
By adopting the technical scheme, the OBSH foaming agent which is not inserted into the montmorillonite can be fully removed by adopting the dimethyl sulfoxide and the carbon tetrachloride to wash in sequence, and the possibility of influence of the OBSH foaming agent which is not inserted into the montmorillonite on the foaming process of the foaming material is reduced.
Preferably, in the step b, the drying conditions are as follows: drying at 60-65 deg.C for 20-24 hr.
By adopting the technical scheme, the product after intercalation is dried for a specific time at a specific temperature, so that the moisture contained in the product can be fully removed, and the possibility of influence of the moisture on the processes of subsequent banburying and the like is reduced.
Preferably, the raw material also comprises 10-14 parts by weight of titanate coupling agent modified wood flour.
Preferably, the titanate coupling agent modified wood flour is prepared by the following method:
drying the wood flour for 20-24h at the temperature of 90-95 ℃, and then mixing and stirring the wood flour with the weight ratio of 1 (1.5-2.0) and the titanate coupling agent for 12-15min at the temperature of 90-94 ℃ to obtain the titanate coupling agent modified wood flour.
By adopting the technical scheme, the titanate coupling agent is adopted to modify the wood powder, the compatibility between the wood powder and the base material is enhanced, the titanate coupling agent modified wood powder is added into the foam material, the crystallinity of the foam material is further adjusted by utilizing the synergistic effect between the titanate coupling agent modified wood powder and the talcum powder, the cell structure of the foam material is improved, and the mechanical property of the foam material is improved. And wood flour can accelerate the degradation speed of the waste foaming materials, the possibility that a large amount of waste EVA foaming materials are difficult to degrade is reduced, the pressure on the environment is reduced, and the environment is protected.
In a second aspect, the application provides a preparation method of an environment-friendly odorless EVA foaming material, which comprises the following steps:
uniformly mixing all the components except the odorless cross-linking agent and the foaming agent, banburying for 5-10min, adding the odorless cross-linking agent and the foaming agent, continuing banburying for 48-52min to obtain a banburying material, and then carrying out hot pressing and open milling on the banburying material to obtain the foaming material.
Preferably, the banburying temperature is 160-170 ℃; the hot pressing temperature is 200-220 ℃, the hot pressing time is 10-15min, and the hot pressing pressure is 10-12 MPa.
By adopting the technical scheme, all the components except the odorless cross-linking agent and the foaming agent are firstly banburied for a certain time within the temperature range, so that the components except the odorless cross-linking agent and the foaming agent are firstly mixed and dispersed, then the odorless cross-linking agent and the foaming agent are added to continue to be banburied for a certain time, and then the foaming material is obtained by hot pressing. The internal mixing is carried out within the temperature range, so that the melt can keep better fluidity, the talcum powder, the zinc stearate and other components can be better dispersed in the base material, and the gas generated by the foaming agent is easy to diffuse, so that the prepared foaming material has higher mechanical property.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the odorless cross-linking agent BIPB and the montmorillonite/OBSH composite foaming agent are adopted, so that the content of gases with pungent odor, such as ammonia gas, in the foaming material is low, the effect that a human body smells no ammonia and no odor is achieved, the environment is protected, and the possibility that the pungent odor harms the health of the human body is reduced;
2. the foam material has the advantages of good foam cell structure, uniform cell distribution, strong mechanical property, softness and resilience;
3. the preparation method disclosed by the application has the advantages that the banburying temperature is low, so that the melt has good fluidity, the steps are simple, the operation is easy, and the preparation method is suitable for large-scale industrial production.
Detailed Description
The present application will be described in further detail with reference to examples.
Sources of materials
EVA resin, available from yangzi basff, model V5110J;
POE resin, available from dow, model 8150;
PE resin, available from dow, type 150;
talcum powder is purchased from talc technology development Co., Ltd, Guilin city, and has a particle size of 800 meshes;
1, 4-di-tert-butylperoxyisopropyl benzene (odorless BIPB crosslinker), available from Acksu;
OBSH (4, 4-oxybis-benzenesulfonylhydrazide) available from New Material Ltd of Gekko, Foshan;
montmorillonite which is purchased from Xinyang Xinyu bentonite sales Limited and has the particle size of 400 meshes;
dimethyl sulfoxide, available from remote chemical agents, ltd;
carbon tetrachloride, available from remote chemical agents, ltd;
wood flour, which is purchased from Jiangsu Hovenia Shibata wood products factory and has a particle size of 200 meshes;
titanate coupling agent, available from Dinghai plastics chemical Co., Ltd, Dongguan, model 201.
Preparation example 1
The montmorillonite/OBSH composite foaming agent is prepared by the following method:
a. hydrating 1kg of montmorillonite in water for 22h, then acidifying for 4h by using 5kg of hydrochloric acid, then adjusting the pH value of the system to 3, dispersing in 20kg of water, adding 10kg of dimethyl sulfoxide, and uniformly mixing to obtain montmorillonite colloid;
b. and (b) dissolving 0.8kg of OBSH in 10kg of dimethyl sulfoxide to obtain a mixed solution, then adding the mixed solution into the montmorillonite colloid in the step (a), stirring for 20h at the temperature of 50 ℃, centrifuging, washing for 2 times by using dimethyl sulfoxide, then washing for 2 times by using carbon tetrachloride, and then drying for 20h at the temperature of 60 ℃ to obtain the montmorillonite/OBSH composite foaming agent.
Preparation example 2
The montmorillonite/OBSH composite foaming agent is prepared by the following method:
a. hydrating 3kg of montmorillonite in water for 23h, then acidifying for 4.5h by using 7kg of hydrochloric acid, then adjusting the pH value of the system to be 4, dispersing in 23kg of water, then adding 12kg of dimethyl sulfoxide, and uniformly mixing to obtain montmorillonite colloid;
b. and (b) dissolving 1.0kg of OBSH in 12kg of dimethyl sulfoxide to obtain a mixed solution, adding the mixed solution into the montmorillonite colloid in the step (a), stirring for 22h at the temperature of 52 ℃, centrifuging, washing for 3 times by using dimethyl sulfoxide, washing for 3 times by using carbon tetrachloride, and drying for 22h at the temperature of 62.5 ℃ to obtain the montmorillonite/OBSH composite foaming agent.
Preparation example 3
The montmorillonite/OBSH composite foaming agent is prepared by the following method:
a. hydrating 5kg of montmorillonite in water for 24h, then acidifying for 5h by using 9kg of hydrochloric acid, then adjusting the pH value of the system to 5, dispersing in 26kg of water, and then adding 14kg of dimethyl sulfoxide and uniformly mixing to obtain montmorillonite colloid;
b. and (b) dissolving 1.2kg of OBSH in 14kg of dimethyl sulfoxide to obtain a mixed solution, adding the mixed solution into the montmorillonite colloid in the step (a), stirring for 24h at the temperature of 54 ℃, centrifuging, washing for 2 times by using dimethyl sulfoxide, washing for 2 times by using carbon tetrachloride, and drying for 24h at the temperature of 65 ℃ to obtain the montmorillonite/OBSH composite foaming agent.
Preparation example 4
The montmorillonite/OBSH composite foaming agent is prepared by the following method:
a. hydrating 2kg of montmorillonite in water for 23h, then acidifying for 4h by using 6kg of hydrochloric acid, then adjusting the pH value of the system to 3, dispersing in 22kg of water, adding 11kg of dimethyl sulfoxide, and uniformly mixing to obtain montmorillonite colloid;
b. and (b) dissolving 0.9kg of OBSH in 11kg of dimethyl sulfoxide to obtain a mixed solution, then adding the mixed solution into the montmorillonite colloid in the step (a), stirring for 21h at the temperature of 51 ℃, centrifuging, washing for 3 times by using dimethyl sulfoxide, then washing for 3 times by using carbon tetrachloride, and then drying for 21h at the temperature of 61 ℃ to obtain the montmorillonite/OBSH composite foaming agent.
Preparation example 5
The montmorillonite/OBSH composite foaming agent is prepared by the following method:
a. hydrating 4kg of montmorillonite in water for 22h, then acidifying for 5h by using 8kg of hydrochloric acid, then adjusting the pH value of the system to 5, dispersing in 25kg of water, adding 13kg of dimethyl sulfoxide, and uniformly mixing to obtain montmorillonite colloid;
b. and (b) dissolving 1.1kg of OBSH in 13kg of dimethyl sulfoxide to obtain a mixed solution, adding the mixed solution into the montmorillonite colloid in the step (a), stirring for 23h at the temperature of 53 ℃, centrifuging, washing for 2 times by using dimethyl sulfoxide, washing for 2 times by using carbon tetrachloride, and drying for 23h at the temperature of 64 ℃ to obtain the montmorillonite/OBSH composite foaming agent.
Preparation example 6
The titanate coupling agent modified wood powder is prepared by the following method:
drying the wood flour for 20h at the temperature of 90 ℃, and then mixing and stirring 10kg of wood flour and 15kg of titanate coupling agent for 12min at the temperature of 90 ℃ to obtain the titanate coupling agent modified wood flour.
Preparation example 7
The titanate coupling agent modified wood powder is prepared by the following method:
at the temperature of 92.5 ℃, wood flour is dried for 22h, and then at the temperature of 92 ℃, 12kg of wood flour and 21kg of titanate coupling agent are mixed and stirred for 13.5min to obtain titanate coupling agent modified wood flour.
Preparation example 8
The titanate coupling agent modified wood powder is prepared by the following method:
drying wood flour for 24h at the temperature of 95 ℃, and then mixing and stirring 14kg of wood flour and 28kg of titanate coupling agent for 15min at the temperature of 94 ℃ to obtain titanate coupling agent modified wood flour.
Example 1
A preparation method of an environment-friendly odorless EVA foaming material comprises the following steps:
firstly, putting 25kg of EVA resin, 12kg of POE resin, 8kg of PE resin, 30kg of talcum powder and 1.5kg of zinc stearate into a mixer for uniform mixing, then putting into an internal mixer for internal mixing at 170 ℃ for 10min, then adding 0.1kg of tasteless cross-linking agent and 1.66kg of foaming agent, continuing internal mixing for 52min to obtain an internal mixture, and then carrying out hot-pressing and open mixing on the internal mixture at the temperature of 200 ℃ and under the pressure of 10MPa for 10min to obtain a foaming material;
wherein the foam material adopts the montmorillonite/OBSH composite foaming agent prepared in preparation example 1;
the tasteless cross-linking agent is 1, 4-di-tert-butylperoxyisopropyl benzene (Ackso tasteless BIPB cross-linking agent).
Example 2
A preparation method of an environment-friendly odorless EVA foaming material comprises the following steps:
firstly, putting 27kg of EVA resin, 9kg of POE resin, 9kg of PE resin, 22kg of talcum powder and 1.7kg of zinc stearate into a mixer for uniform mixing, then putting into an internal mixer for internal mixing for 5min at 160 ℃, then adding 0.15kg of tasteless cross-linking agent and 1.52kg of foaming agent, continuing internal mixing for 48min to obtain an internal mixture, and then carrying out hot-pressing and open mixing on the internal mixture for 15min at the temperature of 220 ℃ and under the pressure of 12MPa to obtain a foaming material;
wherein the foaming material adopts the montmorillonite/OBSH composite foaming agent prepared in the preparation example 2;
the tasteless cross-linking agent is 1, 4-di-tert-butylperoxyisopropyl benzene (Ackso tasteless BIPB cross-linking agent).
Example 3
A preparation method of an environment-friendly odorless EVA foaming material comprises the following steps:
firstly, 31kg of EVA resin, 11kg of POE resin, 11kg of PE resin, 26kg of talcum powder and 1.9kg of zinc stearate are put into a mixer to be uniformly mixed, then the mixture is put into an internal mixer to be internally mixed for 7.5min at 165 ℃, then 0.25kg of tasteless cross-linking agent and 1.6kg of foaming agent are added to be continuously internally mixed for 50min to obtain an internally mixed material, and then the internally mixed material is subjected to hot pressing and open mixing for 12.5min at the temperature of 210 ℃ and under the pressure of 11MPa to obtain a foaming material;
wherein the foaming material adopts the montmorillonite/OBSH composite foaming agent prepared in the preparation example 3;
the tasteless cross-linking agent is 1, 4-di-tert-butylperoxyisopropyl benzene (Ackso tasteless BIPB cross-linking agent).
Example 4
A preparation method of an environment-friendly odorless EVA foaming material comprises the following steps:
firstly, putting 35kg of EVA resin, 8kg of POE resin, 12kg of PE resin, 20kg of talcum powder and 2.1kg of zinc stearate into a mixer for uniform mixing, then putting into an internal mixer for internal mixing at 162 ℃ for 6min, then adding 0.3kg of tasteless cross-linking agent and 1.5kg of foaming agent, continuing internal mixing for 49min to obtain an internal mixture, and then carrying out hot-pressing and open mixing on the internal mixture at 205 ℃ under the pressure of 10.5MPa for 11min to obtain a foaming material;
wherein the foaming material adopts the montmorillonite/OBSH composite foaming agent prepared in the preparation example 4;
the tasteless cross-linking agent is 1, 4-di-tert-butylperoxyisopropyl benzene (Ackso tasteless BIPB cross-linking agent).
Example 5
A preparation method of an environment-friendly odorless EVA foaming material comprises the following steps:
firstly, putting 32kg of EVA resin, 8.5kg of POE resin, 8.5kg of PE resin, 24kg of talcum powder and 1.6kg of zinc stearate into a mixer for uniform mixing, then putting into an internal mixer for internal mixing for 9min at 168 ℃, then adding 0.18kg of tasteless cross-linking agent and 1.62kg of foaming agent, continuing internal mixing for 51min to obtain an internal mixture, and then carrying out hot-pressing open mixing for 14min at the temperature of 215 ℃ and under the pressure of 11.5MPa to obtain a foaming material;
wherein the foaming material adopts the montmorillonite/OBSH composite foaming agent prepared in the preparation example 5;
the tasteless cross-linking agent is 1, 4-di-tert-butylperoxyisopropyl benzene (Ackso tasteless BIPB cross-linking agent).
Example 6
A preparation method of an environment-friendly odorless EVA foaming material comprises the following steps:
firstly, 30kg of EVA resin, 10kg of POE resin, 10kg of PE resin, 25kg of talcum powder and 1.8kg of zinc stearate are put into a mixer to be uniformly mixed, then the mixture is put into an internal mixer to be internally mixed for 5min at the temperature of 160 ℃, then 0.2kg of tasteless cross-linking agent and 1.58kg of foaming agent are added to be continuously internally mixed for 48min to obtain an internally mixed material, and the internally mixed material is hot-pressed and opened for 15min at the temperature of 220 ℃ and under the pressure of 12MPa to obtain a foaming material;
wherein the foaming material adopts the montmorillonite/OBSH composite foaming agent prepared in the preparation example 2;
the tasteless cross-linking agent is 1, 4-di-tert-butylperoxyisopropyl benzene (Ackso tasteless BIPB cross-linking agent).
Example 7
A preparation method of an environment-friendly odorless EVA foaming material comprises the following steps:
firstly, putting 27kg of EVA resin, 9kg of POE resin, 9kg of PE resin, 22kg of talcum powder, 1.7kg of zinc stearate and 10kg of titanate coupling agent modified wood powder prepared in preparation example 6 into a mixer for uniform mixing, then putting into an internal mixer, carrying out internal mixing for 5min at 160 ℃, then adding 0.15kg of tasteless cross-linking agent and 1.52kg of foaming agent, continuing internal mixing for 48min to obtain an internal mixture, and carrying out hot-pressing and open mixing on the internal mixture for 15min at the temperature of 220 ℃ and under the pressure of 12MPa to obtain a foaming material;
wherein the foaming material adopts the montmorillonite/OBSH composite foaming agent prepared in the preparation example 2;
the tasteless cross-linking agent is 1, 4-di-tert-butylperoxyisopropyl benzene (Ackso tasteless BIPB cross-linking agent).
Example 8
A preparation method of an environment-friendly odorless EVA foaming material comprises the following steps:
firstly, putting 27kg of EVA resin, 9kg of POE resin, 9kg of PE resin, 22kg of talcum powder, 1.7kg of zinc stearate and 12kg of titanate coupling agent modified wood powder prepared in preparation example 7 into a mixer to be uniformly mixed, then putting the mixture into an internal mixer to be internally mixed for 5min at 160 ℃, then adding 0.15kg of tasteless cross-linking agent and 1.52kg of foaming agent to be continuously internally mixed for 48min to obtain an internally mixed material, and then carrying out hot-pressing and open mixing on the internally mixed material for 15min at the temperature of 220 ℃ and under the pressure of 12MPa to obtain a foaming material;
wherein the foaming material adopts the montmorillonite/OBSH composite foaming agent prepared in the preparation example 2;
the tasteless cross-linking agent is 1, 4-di-tert-butylperoxyisopropyl benzene (Ackso tasteless BIPB cross-linking agent).
Example 9
A preparation method of an environment-friendly odorless EVA foaming material comprises the following steps:
firstly, putting 27kg of EVA resin, 9kg of POE resin, 9kg of PE resin, 22kg of talcum powder, 1.7kg of zinc stearate and 14kg of titanate coupling agent modified wood powder prepared in preparation example 8 into a mixer to be uniformly mixed, then putting the mixture into an internal mixer to be internally mixed for 5min at 160 ℃, then adding 0.15kg of tasteless cross-linking agent and 1.52kg of foaming agent to be continuously internally mixed for 48min to obtain an internally mixed material, and then carrying out hot-pressing and open mixing on the internally mixed material for 15min at the temperature of 220 ℃ and under the pressure of 12MPa to obtain a foaming material;
wherein the foaming material adopts the montmorillonite/OBSH composite foaming agent prepared in the preparation example 2;
the tasteless cross-linking agent is 1, 4-di-tert-butylperoxyisopropyl benzene (Ackso tasteless BIPB cross-linking agent).
Comparative example 1
The difference from example 2 is that: the foaming agent adopts azodicarbonamide, and the rest is the same.
Comparative example 2
The difference from example 2 is that: the cross-linking agent adopts dicumyl peroxide, and the rest is the same.
Comparative example 3
The difference from example 2 is that: the foaming agent adopts azodicarbonamide, the crosslinking agent adopts dicumyl peroxide, and the rest are the same.
Comparative example 4
The difference from example 2 is that: 20kg of EVA resin, 15kg of POE resin, 5kg of PE resin, 35kg of talcum powder, 0.05kg of odorless cross-linking agent, 2kg of foaming agent and 1kg of zinc stearate.
Comparative example 5
The difference from example 2 is that: 40kg of EVA resin, 5kg of POE resin, 20kg of PE resin, 15kg of talcum powder, 0.5kg of odorless cross-linking agent, 1.2kg of foaming agent and 3kg of zinc stearate.
Comparative example 6
The difference from example 2 is that: the EVA resin was not added, and the rest was the same.
Comparative example 7
The difference from example 2 is that: POE resin was not added, and the rest was the same.
Comparative example 8
The difference from example 2 is that: the PE resin was not added, and the rest was the same.
Performance detection
1. The foamed materials prepared in examples 1 to 9 and comparative examples 1 to 8 were put in a sealed bag, and then respectively put in an oven at 37 ℃ to be baked for 1 hour, and then taken out, and the foamed materials were put in the sealed bag by a catheter of an ammonia tester-KP 810 to test the ammonia content, and the results were recorded, and the results are shown in Table 1;
2. the VOC content of the foaming materials prepared in examples 1-9 and comparative examples 1-8 is detected by referring to GB/T35457-;
3. the foamed materials obtained in examples 1 to 9 and comparative examples 1 to 8 were tested for tensile strength and elongation at break with reference to GB/T6344-1996 test for tensile strength and elongation at break of Flexible foam Polymer materials, and the test results are shown in Table 1.
Table 1 table of performance test results
| Item | Ammonia gas content (ppm) | VOC content (. mu.g/m)3） | Tensile Strength (MPa) | Elongation at Break (%) |
| Example 1 | 8 | 150 | 2.05 | 142.37 |
| Example 2 | 6 | 148 | 2.09 | 143.66 |
| Example 3 | 9 | 153 | 2.03 | 140.59 |
| Example 4 | 8 | 149 | 2.06 | 142.87 |
| Example 5 | 9 | 153 | 2.01 | 139.88 |
| Example 6 | 4 | 142 | 2.15 | 148.96 |
| Example 7 | 5 | 146 | 2.31 | 152.11 |
| Example 8 | 5 | 147 | 2.40 | 152.89 |
| Example 9 | 6 | 146 | 2.36 | 152.74 |
| Comparative example 1 | 50 | 309 | 1.96 | 135.22 |
| Comparative example 2 | 36 | 285 | 1.95 | 135.21 |
| Comparative example 3 | 88 | 346 | 1.90 | 134.96 |
| Comparative example 4 | 25 | 262 | 1.55 | 116.28 |
| Comparative example 5 | 28 | 267 | 1.51 | 116.11 |
| Comparative example 6 | 10 | 158 | 1.46 | 115.78 |
| Comparative example 7 | 11 | 160 | 1.40 | 114.32 |
| Comparative example 8 | 10 | 159 | 1.37 | 114.06 |
As can be seen from Table 1, the foams obtained in examples 1 to 5 of the present application had an ammonia content of 10ppm or less and a VOC content of less than 155. mu.g/m3The tensile strength is more than 2.0MPa, the elongation at break is more than 140%, and the hardness (Type C) of the foaming materials prepared in the embodiments 1-5 of the application is 48-52 according to GB/T2411-2008 measuring indentation hardness (Shore hardness) of plastics and hard rubber by using a durometer, which shows that the foaming materials prepared in the embodiments 1-5 of the application can achieve the effect of enabling a human body to smell ammonia-free and tasteless, are green and environment-friendly, and also have good mechanical properties, softness and rebound resilience.
The ammonia gas content and the VOC content of the embodiment 6 are lower than those of the embodiment 2, the tensile strength and the elongation at break are higher than those of the embodiment 2, and the use amount of each raw material in the foaming material is further controlled, so that the content of gases with pungent odor, such as ammonia gas, in the foaming material can be further reduced, and the mechanical property of the foaming material can be further improved.
The ammonia content and VOC content of the examples 7-9 are not much different from those of the example 2, even slightly lower than that of the example 2, and the tensile strength and elongation at break are obviously higher than those of the example 2, which shows that the mechanical property of the foamed material can be obviously improved by further adding the titanate coupling agent modified wood powder into the foamed material, and the content of ammonia and other gases with pungent odor in the foamed material can not be increased.
The ammonia gas content and VOC content of comparative examples 1-3 are significantly higher than those of example 2, which shows that in the conventional foam material, azodicarbonamide is used as a foaming agent, and dicumyl peroxide is used as a cross-linking agent, so that the content of gases with pungent odor, such as ammonia gas, in the foam material is higher, and a human body smells the gases with pungent and unpleasant odor.
Comparative examples 4 to 5, in which the ammonia gas content and the VOC content were higher than those of example 2 and the tensile strength and the elongation at break were lower than those of example 2, show that the amounts of the respective raw materials used in the foam were out of the ranges of the present application, the content of ammonia gas and the like having an offensive odor in the foam could be increased, and the mechanical properties of the foam could be reduced.
Comparative examples 6 to 8, in which the tensile strength and elongation at break were significantly smaller than those of example 2, demonstrated that the mechanical properties of the foamed material were lowered without adding any of the EVA resin, POE resin and PE resin in a synergistic manner.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. An environment-friendly odorless EVA foaming material is characterized in that the used raw materials comprise the following components:
25-35 parts of EVA resin;
8-12 parts of POE resin;
8-12 parts of PE resin;
20-30 parts of talcum powder;
0.1-0.3 part by weight of odorless cross-linking agent;
1.5-1.66 parts by weight of foaming agent;
1.5-2.1 parts by weight of zinc stearate;
the foaming agent is montmorillonite/OBSH composite foaming agent.
2. The environmentally friendly odorless EVA foaming material of claim 1, wherein the raw material comprises the following components:
30 parts of EVA resin;
10 parts of POE resin;
10 parts of PE resin;
25 parts of talcum powder;
0.2 part by weight of odorless cross-linking agent;
1.58 parts by weight of a foaming agent;
1.8 parts by weight of zinc stearate.
3. The environmentally friendly odorless EVA foaming material of claim 1 or 2, wherein the odorless crosslinking agent is 1, 4-di-tert-butylperoxycumene.
4. The environmentally friendly odorless EVA foaming material of claim 1, wherein: the montmorillonite/OBSH composite foaming agent is prepared by the following method:
a. hydrating 1-5 parts by weight of montmorillonite in water for 22-24h, acidifying 5-9 parts by weight of hydrochloric acid for 4-5h, adjusting the pH value of the system to 3-5, dispersing in 20-26 parts by weight of water, adding 10-14 parts by weight of dimethyl sulfoxide, and uniformly mixing to obtain montmorillonite colloid;
b. and (b) dissolving 0.8-1.2 parts by weight of OBSH in 10-14 parts by weight of dimethyl sulfoxide to obtain a mixed solution, then adding the mixed solution into the montmorillonite colloid in the step (a), stirring for 20-24h at the temperature of 50-54 ℃, and then centrifuging, washing and drying to obtain the montmorillonite/OBSH composite foaming agent.
5. The environmentally friendly odorless EVA foaming material of claim 4, wherein in the step b, the specific washing process comprises the following steps: washing with dimethyl sulfoxide for 2-3 times, and then washing with carbon tetrachloride for 2-3 times.
6. The environmentally friendly odorless EVA foaming material of claim 4, wherein in the step b, the drying conditions are as follows: drying at 60-65 deg.C for 20-24 hr.
7. The environmentally friendly odorless EVA foaming material of claim 1, wherein the raw material further comprises 10-14 parts by weight of titanate coupling agent modified wood flour.
8. The environmentally friendly odorless EVA foaming material of claim 7, wherein the titanate coupling agent modified wood flour is prepared by the following method:
drying the wood flour for 20-24h at the temperature of 90-95 ℃, and then mixing and stirring the wood flour with the weight ratio of 1 (1.5-2.0) and the titanate coupling agent for 12-15min at the temperature of 90-94 ℃ to obtain the titanate coupling agent modified wood flour.
9. A method for preparing the environmentally friendly odorless EVA foaming material of any one of claims 1 to 8, which is characterized by comprising the following steps:
uniformly mixing all the components except the odorless cross-linking agent and the foaming agent, banburying for 5-10min, adding the odorless cross-linking agent and the foaming agent, continuing banburying for 48-52min to obtain a banburying material, and then carrying out hot pressing and open milling on the banburying material to obtain the foaming material.
10. The method for preparing the environmentally-friendly odorless EVA foaming material as claimed in claim 9, wherein the banburying temperature is 160-170 ℃; the hot pressing temperature is 200-220 ℃, the hot pressing time is 10-15min, and the hot pressing pressure is 10-12 MPa.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101899166A (en) * | 2009-05-25 | 2010-12-01 | 北京化工大学 | Preparation method of intercalated nanocomposite foaming agent |
| CN103804709A (en) * | 2014-02-14 | 2014-05-21 | 北京化工大学 | Nano composite foaming agent and preparation method and foamed product thereof |
| CN104448521A (en) * | 2014-11-18 | 2015-03-25 | 安踏（中国）有限公司 | EVA composite foam material and preparation method thereof |
| CN105199213A (en) * | 2015-08-21 | 2015-12-30 | 浙江隆源高分子科技有限公司 | Flame-retardant EVA (Ethylene Vinyl Acetate) foaming sole material and preparation method thereof |
| CN105482232A (en) * | 2016-01-26 | 2016-04-13 | 福建三盛实业有限公司 | Environment-friendly EVA/PE foam material not containing formamide and preparation method thereof |
-
2021
- 2021-05-27 CN CN202110584875.0A patent/CN113462061A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101899166A (en) * | 2009-05-25 | 2010-12-01 | 北京化工大学 | Preparation method of intercalated nanocomposite foaming agent |
| CN103804709A (en) * | 2014-02-14 | 2014-05-21 | 北京化工大学 | Nano composite foaming agent and preparation method and foamed product thereof |
| CN104448521A (en) * | 2014-11-18 | 2015-03-25 | 安踏（中国）有限公司 | EVA composite foam material and preparation method thereof |
| CN105199213A (en) * | 2015-08-21 | 2015-12-30 | 浙江隆源高分子科技有限公司 | Flame-retardant EVA (Ethylene Vinyl Acetate) foaming sole material and preparation method thereof |
| CN105482232A (en) * | 2016-01-26 | 2016-04-13 | 福建三盛实业有限公司 | Environment-friendly EVA/PE foam material not containing formamide and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 金标义编著, 北京理工大学出版社 * |
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