CN113583291A - Sponge with good mildew-proof and antibacterial effects and preparation method thereof - Google Patents
Sponge with good mildew-proof and antibacterial effects and preparation method thereof Download PDFInfo
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 238000005187 foaming Methods 0.000 claims abstract description 52
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 42
- 239000003899 bactericide agent Substances 0.000 claims abstract description 27
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000004840 adhesive resin Substances 0.000 claims abstract description 21
- 229920006223 adhesive resin Polymers 0.000 claims abstract description 21
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 21
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 21
- 239000004014 plasticizer Substances 0.000 claims abstract description 21
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 21
- WJCNZQLZVWNLKY-UHFFFAOYSA-N thiabendazole Chemical compound S1C=NC(C=2NC3=CC=CC=C3N=2)=C1 WJCNZQLZVWNLKY-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229960004546 thiabendazole Drugs 0.000 claims abstract description 21
- 235000010296 thiabendazole Nutrition 0.000 claims abstract description 21
- 239000004308 thiabendazole Substances 0.000 claims abstract description 21
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 19
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 18
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 18
- 239000003292 glue Substances 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims description 65
- 239000003153 chemical reaction reagent Substances 0.000 claims description 15
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- NXQMCAOPTPLPRL-UHFFFAOYSA-N 2-(2-benzoyloxyethoxy)ethyl benzoate Chemical group C=1C=CC=CC=1C(=O)OCCOCCOC(=O)C1=CC=CC=C1 NXQMCAOPTPLPRL-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000004156 Azodicarbonamide Substances 0.000 claims description 5
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical group NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 5
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 229940043810 zinc pyrithione Drugs 0.000 claims description 5
- PICXIOQBANWBIZ-UHFFFAOYSA-N zinc;1-oxidopyridine-2-thione Chemical group [Zn+2].[O-]N1C=CC=CC1=S.[O-]N1C=CC=CC1=S PICXIOQBANWBIZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 3
- WHHIPMZEDGBUCC-UHFFFAOYSA-N probenazole Chemical compound C1=CC=C2C(OCC=C)=NS(=O)(=O)C2=C1 WHHIPMZEDGBUCC-UHFFFAOYSA-N 0.000 description 4
- 239000004599 antimicrobial Substances 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- -1 silver ions Chemical class 0.000 description 3
- 241000233866 Fungi Species 0.000 description 2
- 210000000170 cell membrane Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001821 foam rubber Polymers 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 102000003960 Ligases Human genes 0.000 description 1
- 108090000364 Ligases Proteins 0.000 description 1
- 102000004243 Tubulin Human genes 0.000 description 1
- 108090000704 Tubulin Proteins 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000011278 mitosis Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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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
- C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
-
- 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
- C08J9/0004—Use of compounding ingredients, the chemical constitution of which is unknown, broadly defined, or irrelevant
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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
- C08J9/0014—Use of organic additives
- C08J9/0033—Use of organic additives containing sulfur
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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
- C08J9/0066—Use of inorganic compounding ingredients
- C08J9/0071—Nanosized fillers, i.e. having at least one dimension below 100 nanometers
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- 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
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
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- 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
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- 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
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Abstract
The invention relates to a sponge with good mildew-proof and antibacterial effects and a preparation method thereof, wherein the sponge comprises a sponge soft body, sponge hard shells are fixedly arranged at the top and the bottom of the sponge soft body, the bottom of the sponge hard shell above is fixedly connected with the top of the sponge hard shell below, and the preparation method of the sponge with good mildew-proof and antibacterial effects comprises the following steps: preparing materials, wherein the prepared materials comprise: ethylene vinyl acetate, foaming resin, a foaming auxiliary agent, adhesive resin, nano calcium carbonate, modified MDI, a nano silver antibacterial agent, a plasticizer, a bactericide, thiabendazole, an antioxidant and JL-6120 sponge glue. According to the sponge with good mildew-proof and antibacterial effects and the preparation method thereof, the whole sponge is effectively mildew-proof and antibacterial through the arrangement of the nano-silver antibacterial agent, the bactericide, the thiabendazole and the antioxidant, so that people feel relieved in use, and the body cannot be damaged.
Description
Technical Field
The invention relates to the technical field of sponges, in particular to a sponge with good mildew-proof and antibacterial effects and a preparation method thereof.
Background
Sponge is a very common porous material, has good water absorption, partially has good elasticity, deformation recovery and other properties, can be used for cleaning articles or for producing some comfortable and soft seat cushions, and when the sponge is selected, the sponge mainly takes the touch feeling and elasticity as the primary factors to judge, has soft touch feeling and is rich in ductility.
At present, mould easily appears after the foam-rubber cushion on the market uses an end time in humid environment, not only is difficult to get rid of, makes orange-yellow foam-rubber cushion look no longer pleasing to the eye, and gives out the foul smell gas, uses the back for a long time, can have certain injury to user's healthy.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides the sponge with good mildew-proof and antibacterial effects and the preparation method thereof, and solves the problem that the sponge cushion is easy to mildew.
The technical scheme for solving the technical problems is as follows: the sponge with good mildew-proof and antibacterial effects comprises a sponge soft body, wherein sponge hard shells are fixedly arranged at the top and the bottom of the sponge soft body.
Furthermore, the bottom of the sponge hard shell at the upper part is fixedly connected with the top of the sponge hard shell at the lower part.
A preparation method of a sponge with good mildew-proof and antibacterial effects comprises the following steps:
1) preparing materials, wherein the prepared materials comprise: ethylene vinyl acetate, foaming resin, a foaming auxiliary agent, adhesive resin, nano calcium carbonate, modified MDI, a nano silver antibacterial agent, a plasticizer, a bactericide, thiabendazole, an antioxidant and JL-6120 sponge glue;
2) material mixing and sponge soft body preparation: uniformly mixing ethylene vinyl acetate, foaming resin, a foaming auxiliary agent and adhesive resin to obtain a mixture A, sequentially pouring nano calcium carbonate, modified MDI, a bactericide and thiabendazole into the mixture A, and stirring the mixture A when one reagent is poured to ensure that the reagents are uniform; preparing a sponge hard shell: uniformly mixing ethylene vinyl acetate, foaming resin, a foaming auxiliary agent and adhesive resin to obtain a mixture B, sequentially pouring nano calcium carbonate, a plasticizer, a nano silver antibacterial agent and an antioxidant into the mixture B, and stirring the mixture B when one reagent is poured into the mixture B;
3) preparing raw materials, namely putting the mixture A and the mixture B into a foaming machine in batches, and heating the mixture A and the mixture B to 115-130 ℃;
4) molding by pressing, namely after heating is finished, placing the mixture A into a mold A, and placing the mixture B into a mold B;
5) and (3) demoulding a finished product, cooling the mould A and the mould B by water, stopping cooling when the temperature of the mould A and the mould B is 90 ℃, pumping out air in the mould A by using a vacuum pump, opening the mould A and the mould B when the temperature is reduced to 85 ℃, obtaining a sponge soft body in the mould A and a sponge hard shell in the mould B, coating JL-6120 sponge glue on the outer part of the sponge soft body, sticking the two sponge hard shells on the outer part of the sponge soft body, and drying the sponge soft body by using hot air.
Further, the parts of the preparation materials are as follows: 120-160 parts of ethylene vinyl acetate, 60-80 parts of foaming resin, 20-30 parts of foaming auxiliary agent, 50-60 parts of adhesive resin, 10-20 parts of nano calcium carbonate, 10-30 parts of modified MDI, 20-40 parts of nano silver antibacterial agent, 10-30 parts of plasticizer, 15-30 parts of bactericide, 10-15 parts of thiabendazole, 15-25 parts of antioxidant and 5-10 parts of JL-6120 sponge glue.
Further, the foaming auxiliary agent is azodicarbonamide.
Further, the probenazole is an imidazole bactericide.
Further, the bactericide is zinc pyrithione.
Further, the plasticizer is diethylene glycol dibenzoate.
Further, the modified MDI is crystal, and the modified MDI needs to be heated to 60-70 ℃ for use before use.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
1. according to the sponge with good mildew-proof and antibacterial effects and the preparation method thereof, the whole sponge is effectively mildew-proof and antibacterial through the arrangement of the nano-silver antibacterial agent, the bactericide, the thiabendazole and the antioxidant, so that people feel relieved in use, and the body cannot be damaged.
2. According to the sponge with good mildew-proof and antibacterial effects and the preparation method thereof, the sponge soft body and the sponge hard shell are arranged, so that the sponge soft body in the sponge is protected by the sponge hard shell, the sponge has comfortable softness and is not easy to damage, and the sponge is convenient to use.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1 sponge soft body and 2 sponge hard shell.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
The first embodiment is as follows:
a sponge with good mildew-proof and antibacterial effects comprises a sponge soft body 1, wherein sponge hard shells 2 are fixedly arranged at the top and the bottom of the sponge soft body 1.
In this embodiment, the bottom of the upper sponge hard shell 2 is fixedly connected with the top of the lower sponge hard shell 2.
A preparation method of a sponge with good mildew-proof and antibacterial effects comprises the following steps:
1) preparing materials, wherein the prepared materials comprise: ethylene vinyl acetate, foaming resin, a foaming auxiliary agent, adhesive resin, nano calcium carbonate, modified MDI, a nano silver antibacterial agent, a plasticizer, a bactericide, thiabendazole, an antioxidant and JL-6120 sponge glue;
2) mixing materials, and preparing a sponge soft body 1: uniformly mixing ethylene vinyl acetate, foaming resin, a foaming auxiliary agent and adhesive resin to obtain a mixture A, sequentially pouring nano calcium carbonate, modified MDI, a bactericide and thiabendazole into the mixture A, and stirring the mixture A when one reagent is poured to ensure that the reagents are uniform; preparation of sponge shell 2: uniformly mixing ethylene vinyl acetate, foaming resin, a foaming auxiliary agent and adhesive resin to obtain a mixture B, sequentially pouring nano calcium carbonate, a plasticizer, a nano silver antibacterial agent and an antioxidant into the mixture B, and stirring the mixture B when one reagent is poured into the mixture B;
3) preparing raw materials, namely putting the mixture A and the mixture B into a foaming machine in batches, and heating the mixture A and the mixture B to 115 ℃;
4) molding by pressing, namely after heating is finished, placing the mixture A into a mold A, and placing the mixture B into a mold B;
5) and (3) demoulding a finished product, cooling the mould A and the mould B by water, stopping cooling when the temperature of the mould A and the mould B is 90 ℃, pumping out air in the mould A by using a vacuum pump, opening the mould A and the mould B when the temperature is reduced to 85 ℃, obtaining a sponge soft body 1 in the mould A and a sponge hard shell 2 in the mould B, coating JL-6120 sponge glue on the outer part of the sponge soft body 1, sticking the two sponge hard shells 2 on the outer part of the sponge soft body 1, and drying the sponge soft body 1 by using hot air.
In this example, the parts of the preparation materials are: 120 parts of ethylene vinyl acetate, 60 parts of foaming resin, 20 parts of foaming auxiliary agent, 50 parts of adhesive resin, 10 parts of nano calcium carbonate, 10 parts of modified MDI, 20 parts of nano silver antibacterial agent, 10 parts of plasticizer, 15 parts of bactericide, 10 parts of thiabendazole, 15 parts of antioxidant and 5 parts of JL-6120 sponge glue.
In this embodiment, the foaming aid is azodicarbonamide.
In this example, probenazole is an imidazole bactericide.
In this example, the antimicrobial agent is zinc pyrithione.
In this example, the plasticizer was diethylene glycol dibenzoate.
In this example, the modified MDI was crystalline and the modified MDI was used by heating to 60 ℃ before use.
Example two:
a sponge with good mildew-proof and antibacterial effects comprises a sponge soft body 1, wherein sponge hard shells 2 are fixedly arranged at the top and the bottom of the sponge soft body 1.
In this embodiment, the bottom of the upper sponge hard shell 2 is fixedly connected with the top of the lower sponge hard shell 2.
A preparation method of a sponge with good mildew-proof and antibacterial effects comprises the following steps:
1) preparing materials, wherein the prepared materials comprise: ethylene vinyl acetate, foaming resin, a foaming auxiliary agent, adhesive resin, nano calcium carbonate, modified MDI, a nano silver antibacterial agent, a plasticizer, a bactericide, thiabendazole, an antioxidant and JL-6120 sponge glue;
2) mixing materials, and preparing a sponge soft body 1: uniformly mixing ethylene vinyl acetate, foaming resin, a foaming auxiliary agent and adhesive resin to obtain a mixture A, sequentially pouring nano calcium carbonate, modified MDI, a bactericide and thiabendazole into the mixture A, and stirring the mixture A when one reagent is poured to ensure that the reagents are uniform; preparation of sponge shell 2: uniformly mixing ethylene vinyl acetate, foaming resin, a foaming auxiliary agent and adhesive resin to obtain a mixture B, sequentially pouring nano calcium carbonate, a plasticizer, a nano silver antibacterial agent and an antioxidant into the mixture B, and stirring the mixture B when one reagent is poured into the mixture B;
3) preparing raw materials, namely putting the mixture A and the mixture B into a foaming machine in batches, and heating the mixture A and the mixture B to 122.5 ℃;
4) molding by pressing, namely after heating is finished, placing the mixture A into a mold A, and placing the mixture B into a mold B;
5) and (3) demoulding a finished product, cooling the mould A and the mould B by water, stopping cooling when the temperature of the mould A and the mould B is 90 ℃, pumping out air in the mould A by using a vacuum pump, opening the mould A and the mould B when the temperature is reduced to 85 ℃, obtaining a sponge soft body 1 in the mould A and a sponge hard shell 2 in the mould B, coating JL-6120 sponge glue on the outer part of the sponge soft body 1, sticking the two sponge hard shells 2 on the outer part of the sponge soft body 1, and drying the sponge soft body 1 by using hot air.
In this example, the parts of the preparation materials are: 140 parts of ethylene vinyl acetate, 70 parts of foaming resin, 25 parts of foaming auxiliary agent, 55 parts of adhesive resin, 15 parts of nano calcium carbonate, 20 parts of modified MDI, 30 parts of nano silver antibacterial agent, 20 parts of plasticizer, 22.5 parts of bactericide, 12.5 parts of thiabendazole, 17.5 parts of antioxidant and 7.5 parts of JL-6120 sponge glue.
In this embodiment, the foaming aid is azodicarbonamide.
In this example, probenazole is an imidazole bactericide.
In this example, the antimicrobial agent is zinc pyrithione.
In this example, the plasticizer was diethylene glycol dibenzoate.
In the embodiment, the modified MDI is crystal, and the modified MDI needs to be heated to 60-70 ℃ for use before use.
Example three:
a sponge with good mildew-proof and antibacterial effects comprises a sponge soft body 1, wherein sponge hard shells 2 are fixedly arranged at the top and the bottom of the sponge soft body 1.
In this embodiment, the bottom of the upper sponge hard shell 2 is fixedly connected with the top of the lower sponge hard shell 2.
A preparation method of a sponge with good mildew-proof and antibacterial effects comprises the following steps:
1) preparing materials, wherein the prepared materials comprise: ethylene vinyl acetate, foaming resin, a foaming auxiliary agent, adhesive resin, nano calcium carbonate, modified MDI, a nano silver antibacterial agent, a plasticizer, a bactericide, thiabendazole, an antioxidant and JL-6120 sponge glue;
2) mixing materials, and preparing a sponge soft body 1: uniformly mixing ethylene vinyl acetate, foaming resin, a foaming auxiliary agent and adhesive resin to obtain a mixture A, sequentially pouring nano calcium carbonate, modified MDI, a bactericide and thiabendazole into the mixture A, and stirring the mixture A when one reagent is poured to ensure that the reagents are uniform; preparation of sponge shell 2: uniformly mixing ethylene vinyl acetate, foaming resin, a foaming auxiliary agent and adhesive resin to obtain a mixture B, sequentially pouring nano calcium carbonate, a plasticizer, a nano silver antibacterial agent and an antioxidant into the mixture B, and stirring the mixture B when one reagent is poured into the mixture B;
3) preparing raw materials, namely putting the mixture A and the mixture B into a foaming machine in batches, and heating the mixture A and the mixture B to 130 ℃;
4) molding by pressing, namely after heating is finished, placing the mixture A into a mold A, and placing the mixture B into a mold B;
5) and (3) demoulding a finished product, cooling the mould A and the mould B by water, stopping cooling when the temperature of the mould A and the mould B is 90 ℃, pumping out air in the mould A by using a vacuum pump, opening the mould A and the mould B when the temperature is reduced to 85 ℃, obtaining a sponge soft body 1 in the mould A and a sponge hard shell 2 in the mould B, coating JL-6120 sponge glue on the outer part of the sponge soft body 1, sticking the two sponge hard shells 2 on the outer part of the sponge soft body 1, and drying the sponge soft body 1 by using hot air.
In this example, the parts of the preparation materials are: 160 parts of ethylene vinyl acetate, 80 parts of foaming resin, 30 parts of foaming auxiliary agent, 60 parts of adhesive resin, 20 parts of nano calcium carbonate, 30 parts of modified MDI, 40 parts of nano silver antibacterial agent, 30 parts of plasticizer, 30 parts of bactericide, 15 parts of thiabendazole, 25 parts of antioxidant and 10 parts of JL-6120 sponge glue.
In this embodiment, the foaming aid is azodicarbonamide.
In this example, probenazole is an imidazole bactericide.
In this example, the antimicrobial agent is zinc pyrithione.
In this example, the plasticizer was diethylene glycol dibenzoate.
In this example, the modified MDI was crystalline and the modified MDI was used by heating to 70 ℃ before use.
The working principle of the above embodiment is as follows:
(1) the nano silver antibacterial agent is added into the sponge hard shell 2, micro silver ions in the sponge hard shell 2 isolate the invasion of microorganisms to the sponge hard shell 2, at the moment, the residual silver ions outside the sponge hard shell 2 are in contact with the microbial cell membrane, the cell membrane is negatively charged and is firmly adsorbed by means of coulomb attraction, the silver ions penetrate through the cell wall to enter the cell and react with SH groups to solidify proteins, the activity of cell synthetase is damaged, the cells lose division and proliferation capacity and die, the sponge hard shell 2 is effectively sterilized, when moisture enters the sponge soft body 1 through the sponge hard shell 2, the bactericide and thiabendazole are covered outside the sponge soft body 1, the thiabendazole inhibits the formation of tubulin in the mitosis process of fungi, the fungi cannot be re-split to form mold, and the bactericide can inhibit the growth of gram positive and negative bacteria and mold, the sponge hard shell 2 can inhibit different strains from mildewing in the sponge hard shell, so that the sponge is effectively mildewproof and antibacterial, people can feel relieved when using the sponge, and the body cannot be damaged.
(2) According to the sponge with good mildew-proof and antibacterial effects and the preparation method thereof, the sponge soft body 1 and the sponge hard shell 2 are arranged, so that the sponge soft body 1 inside the sponge hard shell 2 is protected by the sponge hard shell 2, the sponge has comfortable softness and is not easy to damage, and the sponge is convenient to use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The sponge with good mildew-proof and antibacterial effects is characterized by comprising a sponge soft body (1), wherein sponge hard shells (2) are fixedly arranged at the top and the bottom of the sponge soft body (1).
2. The sponge with good mildew-proof and antibacterial effects and the preparation method thereof according to claim 1 are characterized in that the bottom of the upper sponge hard shell (2) is fixedly connected with the top of the lower sponge hard shell (2).
3. A preparation method of a sponge with good mildew-proof and antibacterial effects is characterized by comprising the following steps:
1) preparing materials, wherein the prepared materials comprise: ethylene vinyl acetate, foaming resin, a foaming auxiliary agent, adhesive resin, nano calcium carbonate, modified MDI, a nano silver antibacterial agent, a plasticizer, a bactericide, thiabendazole, an antioxidant and JL-6120 sponge glue;
2) mixing materials, and preparing a sponge soft body (1): uniformly mixing ethylene vinyl acetate, foaming resin, a foaming auxiliary agent and adhesive resin to obtain a mixture A, sequentially pouring nano calcium carbonate, modified MDI, a bactericide and thiabendazole into the mixture A, and stirring the mixture A when one reagent is poured to ensure that the reagents are uniform; preparation of sponge hard shell (2): uniformly mixing ethylene vinyl acetate, foaming resin, a foaming auxiliary agent and adhesive resin to obtain a mixture B, sequentially pouring nano calcium carbonate, a plasticizer, a nano silver antibacterial agent and an antioxidant into the mixture B, and stirring the mixture B when one reagent is poured into the mixture B;
3) preparing raw materials, namely putting the mixture A and the mixture B into a foaming machine in batches, and heating the mixture A and the mixture B to 115-130 ℃;
4) molding by pressing, namely after heating is finished, placing the mixture A into a mold A, and placing the mixture B into a mold B;
5) and (3) demoulding a finished product, cooling the mould A and the mould B by water, stopping cooling when the temperature of the mould A and the mould B is 90 ℃, pumping out air in the mould A by using a vacuum pump, opening the mould A and the mould B when the temperature is reduced to 85 ℃, obtaining a sponge soft body (1) in the mould A and a sponge hard shell (2) in the mould B, coating JL-6120 sponge glue on the outer part of the sponge soft body (1), sticking the two sponge hard shells (2) on the outer part of the sponge soft body (1), and drying the sponge soft body (1) by using hot air.
4. The preparation method of the sponge with good mildew-proof and antibacterial effects as claimed in claim 3, wherein the preparation materials comprise the following components in parts by weight: 120-160 parts of ethylene vinyl acetate, 60-80 parts of foaming resin, 20-30 parts of foaming auxiliary agent, 50-60 parts of adhesive resin, 10-20 parts of nano calcium carbonate, 10-30 parts of modified MDI, 20-40 parts of nano silver antibacterial agent, 10-30 parts of plasticizer, 15-30 parts of bactericide, 10-15 parts of thiabendazole, 15-25 parts of antioxidant and 5-10 parts of JL-6120 sponge glue.
5. The method for preparing the sponge with good mildew-proof and antibacterial effects as claimed in claim 3, wherein the foaming auxiliary agent is azodicarbonamide.
6. The preparation method of the sponge with good mildew-proof and antibacterial effects as claimed in claim 3, characterized in that the thiabendazole is an imidazole bactericide.
7. The method for preparing the sponge with good mildew-proof and antibacterial effects as claimed in claim 3, wherein the bactericide is zinc pyrithione.
8. The method for preparing a sponge with good mildew-proof and antibacterial effects as claimed in claim 3, wherein the plasticizer is diethylene glycol dibenzoate.
9. The method for preparing the sponge with good mildew-proof and antibacterial effects according to claim 3, wherein the modified MDI is a crystal, and the modified MDI is required to be heated to 60-70 ℃ for use before use.
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