阅读说明：本技术 一种防护纳米弹性鞋垫制备方法 (Preparation method of protective nano elastic insole ) 是由 赵阳葵 于 2020-10-15 设计创作，主要内容包括：本发明涉及一种防护纳米弹性鞋垫制备方法,将天然橡胶投入开炼机进行塑炼,并将一定配比的丁腈橡胶加入到开炼机内与天然橡胶进行混炼,之后向开炼机内加入由盐酸洗必泰、纳米二氧化硅、沸石粉、电气石等材料配比制成的香料,并搅拌均匀,并依次加入配方量的增塑剂、碳酸钙、炭黑、氧化锌等材料进行混炼形成混炼胶；将混炼胶在压延机上制成胶片,然后通过挤出机压出到模具中进行硫化,硫化温度100℃硫化时间1h,之后从模具中取出,用切片机按要求厚度进行切片。通过该制备方法制备的鞋垫,具有除臭杀菌效果彻底,功能持续时间长,对人体无副作用,安全卫生、易于制作等特点,可广泛的应用到特种鞋。(The invention relates to a method for preparing protective nano elastic insoles, which comprises the steps of putting natural rubber into an open mill for plastication, adding nitrile rubber with a certain proportion into the open mill for mixing with the natural rubber, then adding spice prepared by materials such as chlorhexidine hydrochloride, nano silicon dioxide, zeolite powder, tourmaline and the like into the open mill, uniformly stirring, and sequentially adding a plasticizer, calcium carbonate, carbon black, zinc oxide and the like with a formula ratio for mixing to form rubber compound; and (3) preparing the rubber compound into a rubber sheet on a calender, extruding the rubber sheet into a mold through an extruder for vulcanization at the vulcanization temperature of 100 ℃ for 1h, taking out the rubber sheet from the mold, and slicing the rubber sheet according to the required thickness by using a slicing machine. The insole prepared by the preparation method has the characteristics of thorough deodorization and sterilization effects, long function duration, no side effect on human bodies, safety, sanitation, easiness in manufacturing and the like, and can be widely applied to special shoes.)

1. A preparation method of a protective nano elastic insole is characterized by comprising the following steps: the method comprises the following steps:

s1, plastication: putting natural rubber into an open mill for plastication, wherein the roller temperature of the open mill is 40-50 ℃;

s2, mixing: adding a certain proportion of nitrile rubber into an open mill, and mixing with natural rubber;

s3, spice proportioning: mixing 20-40 parts of chlorhexidine hydrochloride powder, 16-20 parts of nano silicon dioxide, 14-18 parts of zeolite powder, 24-30 parts of tourmaline powder and 5-15 parts of chitosan powder to form spice powder;

s4, stirring: adding the spice with the above proportion into an open mill, and stirring uniformly, wherein the roller temperature is 70-80 ℃, and the roller spacing is 2-3 mm;

s5, auxiliary agent proportioning: sequentially adding a plasticizer, calcium carbonate, carbon black, zinc oxide, octadecanoic acid, a promoter, an anti-aging agent, a pore former and sulfur into an open mill in a proportional amount;

s6, mixing: mixing the mixture in the open mill for 50-60 minutes to form mixed rubber;

s7, rolling: preparing the rubber compound into a rubber sheet on a calender;

s8, vulcanization: extruding the rubber sheet into a mould through an extruder for vulcanization, wherein the vulcanization temperature is 110 ℃, and the vulcanization time is 1.2 h;

s9, discharging: and taking out the die, and slicing the die by using a slicer according to the required thickness.

2. The method for preparing a protective nano-elastic insole according to claim 1, wherein the method comprises the following steps: the particle size of the chlorhexidine hydrochloride powder, the nano silicon dioxide, the zeolite powder, the tourmaline powder and the chitosan powder is 10-20 nm.

3. The method for preparing a protective nano-elastic insole according to claim 1, wherein the method comprises the following steps: the plasticizer is dioctyl phthalate; the anti-aging agent is 2, 2, 4-trimethyl-1, 2-dihydroquinoline; the pore former is N, N-dinitrosopentamethylene tetramine; the accelerator is 2, 2' -dithiodibenzothiazole.

Technical Field

The invention relates to a preparation method of a protective nano elastic insole.

Background

Workers of special industries such as hardware manufacturing industry, forestry industry, exploration and rescue operation need to work in some special environments. Therefore, new designs are needed for special safety protection shoes of special industries. Due to the special occupational characteristics, the load of the army, the fire fighter and other personnel far exceeds that of the ordinary people, and some lower limb injuries often occur, which mainly show symptoms such as overstretching of arch ligaments, heel pain of feet, forefoot pain and the like. This is due to the severe compression of the nerves of the foot caused by excessive peak pressure in the forefoot and heel regions. Aiming at the situation, the protection insoles need to be improved, the types of the insoles used at present are more, elastic foaming materials EVA, TPU materials, cloth, leather and the like are more, and the protection strength of the insoles to the feet is obviously insufficient.

Disclosure of Invention

In order to overcome the defects, the invention provides the protective nano elastic insole which changes the physical properties of the elastomer, enhances the chemical properties such as catalytic property, stability and the like and improves the mechanical property.

The technical scheme adopted by the invention for solving the technical problems is as follows: a preparation method of a protective nano elastic insole comprises the following steps:

s1, plastication: putting natural rubber into an open mill for plastication, wherein the roller temperature of the open mill is 40-50 ℃;

s2, mixing: adding a certain proportion of nitrile rubber into an open mill, and mixing with natural rubber;

s3, spice proportioning: mixing 20-40 parts of chlorhexidine hydrochloride powder, 16-20 parts of nano silicon dioxide, 14-18 parts of zeolite powder, 24-30 parts of tourmaline powder and 5-15 parts of chitosan powder to form spice powder;

s4, stirring: adding the spice with the above proportion into an open mill, and stirring uniformly, wherein the roller temperature is 70-80 ℃, and the roller spacing is 2-3 mm;

s5, auxiliary agent proportioning: sequentially adding a plasticizer, calcium carbonate, carbon black, zinc oxide, octadecanoic acid, a promoter, an anti-aging agent, a pore former and sulfur into an open mill in a proportional amount;

s6, mixing: mixing the mixture in the open mill for 50-60 minutes to form mixed rubber;

s7, rolling: preparing the rubber compound into a rubber sheet on a calender;

s8, vulcanization: extruding the rubber sheet into a mould through an extruder for vulcanization, wherein the vulcanization temperature is 110 ℃, and the vulcanization time is 1.2 h;

s9, discharging: and taking out the die, and slicing the die by using a slicer according to the required thickness.

In a preferred embodiment of the invention, the particle size of the chlorhexidine hydrochloride powder, the nano silicon dioxide, the zeolite powder, the tourmaline powder and the chitosan powder is 10-20 nm.

In a preferred embodiment of the invention, the plasticizer is dioctyl phthalate; the anti-aging agent is 2, 2, 4-trimethyl-1, 2-dihydroquinoline; the pore former is N, N-dinitrosopentamethylene tetramine; the accelerator is 2, 2' -dithiodibenzothiazole.

The invention has the beneficial effects that: after the structure is adopted, by means of the excellent elasticity characteristic of the rubber material, the nanometer modified material is introduced, the structural parameters of the single material of the matrix are changed, the physical properties of the elastomer are changed, the chemical properties such as the catalytic property, the stability and the like are enhanced, and the mechanical property is also improved; the surface of the nano material with high specific surface area has a large number of residual bonds, and the surface of the nano material can strongly adsorb gas and bacteria, so that cell membranes or cell plasma active enzymes of the bacteria can be damaged, and the bacteria can die; and can be combined with the abnormal odor molecules in the shoes or water molecules, oxygen molecules and nitrogen molecules in any forms to generate chemical reaction, so as to change the properties of the abnormal odor molecules and make the abnormal odor molecules disappear and attached to particles to disappear and sink.

Drawings

FIG. 1 is a schematic flow chart of the preparation process of the invention.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.

As shown in fig. 1, a method for preparing a protective nano-elastic insole comprises the following steps:

s1, plastication: putting natural rubber into an open mill for plastication, wherein the roller temperature of the open mill is 40-50 ℃;

s2, mixing: adding a certain proportion of nitrile rubber into an open mill, and mixing with natural rubber;

s3, spice proportioning: mixing 20-40 parts of chlorhexidine hydrochloride powder, 16-20 parts of nano silicon dioxide, 14-18 parts of zeolite powder, 24-30 parts of tourmaline powder and 5-15 parts of chitosan powder to form spice powder;

s4, stirring: adding the spice with the above proportion into an open mill, and stirring uniformly, wherein the roller temperature is 70-80 ℃, and the roller spacing is 2-3 mm;

s5, auxiliary agent proportioning: sequentially adding a plasticizer, calcium carbonate, carbon black, zinc oxide, octadecanoic acid, a promoter, an anti-aging agent, a pore former and sulfur into an open mill in a proportional amount;

s6, mixing: mixing the mixture in the open mill for 50-60 minutes to form mixed rubber;

s7, rolling: preparing the rubber compound into a rubber sheet on a calender;

s8, vulcanization: extruding the rubber sheet into a mould through an extruder for vulcanization, wherein the vulcanization temperature is 110 ℃, and the vulcanization time is 1.2 h;

s9, discharging: and taking out the die, and slicing the die by using a slicer according to the required thickness.

The particle size of the chlorhexidine hydrochloride powder, the nano silicon dioxide, the zeolite powder, the tourmaline powder and the chitosan powder is 10-20 nm.

The plasticizer is dioctyl phthalate; the anti-aging agent is 2, 2, 4-trimethyl-1, 2-dihydroquinoline; the pore former is N, N-dinitrosopentamethylene tetramine; the accelerator is 2, 2' -dithiodibenzothiazole.

The preparation process flow comprises the following steps: putting natural rubber into an open mill for plastication, wherein the roller temperature of the open mill is 30-40 ℃, after 20min, adding nitrile rubber with a certain proportion into the open mill for mixing with the natural rubber, and the roller temperature is 45-50 ℃; adding perfume prepared from chlorhexidine hydrochloride, nanometer silicon dioxide, zeolite powder, tourmaline, etc. into the open mill, and stirring at roller temperature of 50-70 deg.C; when the roller spacing is 1-2mm, sequentially adding the plasticizer, calcium carbonate, carbon black, zinc oxide and other materials according to the formula ratio, and mixing for 40-50 minutes to form rubber compound; and (3) preparing the rubber compound into a rubber sheet on a calender, extruding the rubber sheet into a mold through an extruder for vulcanization at the vulcanization temperature of 100 ℃ for 1h, taking out the rubber sheet from the mold, and slicing the rubber sheet according to the required thickness by using a slicing machine.

It is to be emphasized that: the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.