阅读说明：本技术 一种防霉抗菌效果好的海绵及其制备方法 (Sponge with good mildew-proof and antibacterial effects and preparation method thereof ) 是由 方猛超 于 2021-07-27 设计创作，主要内容包括：本发明涉及一种防霉抗菌效果好的海绵及其制备方法,包括海绵软体,所述海绵软体的顶部和底部均固定安装有海绵硬壳,上方所述海绵硬壳的底部与下方海绵硬壳的顶部固定连接,一种防霉抗菌效果好的海绵制备方法,包括以下步骤：材料准备,准备材料有：乙烯乙酸乙烯酯、发泡树脂、发泡助剂、粘合剂树脂、纳米碳酸钙、改性MDI、纳米银抗菌剂、增塑剂、杀菌剂、噻菌灵、抗氧化剂和JL-6120海绵胶水。该防霉抗菌效果好的海绵及其制备方法,通过纳米银抗菌剂、杀菌剂、噻菌灵和抗氧化剂的设置,有效的使海绵整体防霉抗菌,使人们使用放心,且不会对身体造成损害。(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.)

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.

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.