阅读说明：本技术 防静电无味防臭抑菌一硫海绵胶料及其制备方法及应用 (Antistatic odorless odor-resistant bacteriostatic sulfur-containing sponge rubber material and preparation method and application thereof ) 是由 毛昌虎 陈松雄 晋齐怀 周川泉 田吉 王春桥 于 2019-09-27 设计创作，主要内容包括：本发明公开了一种防静电无味防臭抑菌一硫海绵胶料及其制备方法及应用,包括标准胶,绉片胶,原生胶,丁苯型CR橡胶,再生胶(油法),精细再生胶,高强力再生胶,黑油膏,环保无味增粘树脂,塑解剂DS-T-1,硫磺,硫化促进剂,抗菌防臭粉,纳米银系抗菌剂,纳米银系无机抗菌剂XT-02,活性氧化锌,硬脂酸,陶土,高级无味发泡剂,水杨酸,导电炭黑及防老剂。本发明对一硫海绵的胶料配方制备方法进行调整,使一硫海绵在满足其基本的性能要求的前提下,还具有防静电和较好的抑菌效果的作用,提高了其适用范围及应用前景,本发明材料来源广泛,制备方法简单,而且还提供了相应的应用方法。(The invention discloses an antistatic odorless odor-resistant bacteriostatic sulfur-based sponge rubber material and a preparation method and application thereof. The invention adjusts the preparation method of the sizing material formula of the sulfur sponge, so that the sulfur sponge has the effects of static resistance and better bacteriostatic effect on the premise of meeting the basic performance requirements of the sulfur sponge, and the application range and the application prospect of the sulfur sponge are improved.)

1. The utility model provides an antistatic odorless odor-resistant bacteriostatic monosulfur sponge sizing material which characterized in that: the adhesive comprises, by weight, 42.6-70.9 parts of standard adhesive, 7.1-21.3 parts of crepe adhesive, 7.1-21.3 parts of virgin rubber, 7.8-22 parts of butadiene styrene type CR rubber, 156-184.4 parts of reclaimed rubber by oil process, 21.3-25.9 parts of fine reclaimed rubber, 1-15 parts of high-strength reclaimed rubber, 14.2-28.4 parts of black factice, 5.7-11.4 parts of environment-friendly odorless tackifying resin, 1.4-2.6 parts of peptizer DS-T-1, 5.2-5.9 parts of sulfur, 9.8-13.1 parts of vulcanization accelerator, 0.3-1.7 parts of antibacterial and odor-proof powder, 0.5-1.3 parts of nano silver based antibacterial agent, 0.3-1.3 parts of nano silver based inorganic antibacterial agent-02, 5.4-6.4 parts of active zinc oxide, 24.2-25.9 parts of stearic acid, 8.5-4.4 parts of nano silver based antibacterial agent, 0.3-8.4 parts of nano silver based inorganic antibacterial agent, 0.3-4.4 parts of odorless antioxidant, 0.4.4 parts of high-2.4 parts of acrylic acid foaming agent and 0.5-4 parts of odorless polyacrylic acid.

2. The anti-static odorless odor-resistant bacteriostatic monosulfur sponge rubber compound according to claim 1, which is characterized in that: the rubber comprises, by weight, 56.7 parts of standard rubber, 14.2 parts of crepe rubber, 14.2 parts of virgin rubber, 14.9 parts of butylbenzene CR rubber, 170.2 parts of reclaimed rubber by an oil process, 28.4 parts of fine reclaimed rubber, 7 parts of high-strength reclaimed rubber, 21.3 parts of black factice, 8.5 parts of environment-friendly odorless tackifying resin, 2 parts of peptizer DS-T-1,5.6 parts of sulfur, 11.5 parts of vulcanization accelerator, 1 part of antibacterial and odor-proof powder, 0.9 part of nano-silver antibacterial agent, 0.9 part of nano-silver inorganic antibacterial agent XT-02, 5.9 parts of active zinc oxide, 25.9 parts of stearic acid, 16.9 parts of argil, 12.3 parts of high-grade odorless foaming agent, 0.7 part of salicylic acid, 16.9 parts of conductive carbon black and 0.2 part of anti-aging agent.

3. The anti-static odorless odor-resistant bacteriostatic monosulfur sponge rubber compound according to claim 1 or 2, which is characterized in that: the standard glue is 2# standard glue.

4. The anti-static odorless odor-resistant bacteriostatic monosulfur sponge rubber compound according to claim 1 or 2, which is characterized in that: the vulcanization accelerator is composed of 2.5 parts of accelerator B, 0.2 part of accelerator DS,3.4 parts of accelerator BM,5.1 parts of comprehensive accelerator and 0.3 part of accelerator TMTD per 11.5 parts of vulcanization accelerator.

5. The anti-static odorless odor-resistant bacteriostatic monosulfur sponge rubber compound according to claim 1 or 2, which is characterized in that: the anti-aging agent is anti-aging agent CD.

6. A method for preparing the antistatic odorless odor-resistant bacteriostatic monosulfur sponge rubber compound as claimed in claim 1, which is characterized in that: taking the components according to the weight percentage, 1) preparing a master batch: sequentially adding standard rubber, crepe rubber, virgin rubber, styrene-butadiene CR rubber, oil-process reclaimed rubber, fine reclaimed rubber, high-strength reclaimed rubber, black factice, environment-friendly odorless tackifying resin, a peptizer DS-T-1 and 0.8 part of stearic acid into internal mixing, pressing for 7-9 minutes after a load pointer of an internal mixer working ammeter rises to above 100A, discharging to an open rubber mixer for 5-6 minutes, discharging, naturally cooling to room temperature, wherein the plasticity is 0.33-0.43, and standing for 24 hours for later use; 2) preparing a rubber compound: putting the prepared masterbatch, a vulcanization accelerator, active zinc oxide, residual stearic acid, antibacterial and deodorant powder, a nano-silver antibacterial agent, a nano-silver inorganic antibacterial agent XT-02, a high-grade odorless foaming agent, an anti-aging agent, salicylic acid and sulfur into an internal mixer, refining for 1 minute, adding conductive carbon black and pottery clay, refining for 6-7 minutes, discharging to an open rubber refining machine, pulling through for 4-5 minutes under the condition that the roller distance of the open rubber refining machine is 4-5 mm to uniformly refine the rubber compound, discharging, cooling with water, detecting and correcting to enable the vulcanization starting point of the rubber compound to be 2-2 minutes and 30 seconds and the plasticity to be 0.45-0.58, and obtaining the finished product of the antistatic, odorless, deodorant and antibacterial sulfur sponge material.

7. The use of an antistatic odorless odor-resistant bacteriostatic monosulfur sponge compound as defined in claim 1, wherein: the method comprises the following steps of carrying out hot refining on an anti-static odorless deodorant bacteriostatic sulfur sponge sizing material on an open mill to obtain a sheet with a corresponding thickness, putting the sheet into an extruder, then laminating and calendering the sheet with a calender and a sponge to obtain a sheet with the thickness of 3.0-3.3 mm, punching and cutting the sheet into a required film model according to a corresponding punching knife to obtain an anti-static odorless deodorant bacteriostatic sulfur sponge sizing material semi-finished product, pasting the sponge semi-finished product on a base fabric in an upper, vulcanizing and foaming the upper bottom and the lower bottom together to obtain the anti-static odorless deodorant bacteriostatic sulfur sponge sizing material finished product.

Technical Field

The invention relates to the field of rubber processing, in particular to an antistatic odorless odor-resistant bacteriostatic sulfur-bearing sponge rubber material and a preparation method and application thereof.

Background

Antistatic rubber shoes appear on the market due to the requirements of part of markets; generally, in the manufacturing process of rubber shoes, rubber sponge used as a key part of rubber shoe damping is manufactured by a one-time vulcanization molding or mold vulcanization (short for disulfide) process, but the sponge used by the anti-static rubber shoes is one-time vulcanization sponge which is accompanied by bad odor and poor antibacterial effect, so that users can easily generate foot odor. In order to better realize the anti-static effect and the bacteriostatic effect and meet the requirements of people, the one-time vulcanized sponge rubber is changed into the anti-static odorless odor-resistant bacteriostatic one-sulfur sponge gelatin as the best. No anti-static odorless odor-resistant bacteriostatic monothio sponge exists in the prior art. People can be better served in order to better meet the market demand; the anti-static odorless odor-resistant bacteriostatic monosulfur sponge rubber material meets the market demand and has the advantages of simple process and low cost.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the anti-static odorless odor-resistant bacteriostatic sulphur sponge rubber material and the preparation method and application thereof solve the technical problem that the sulphur sponge has poor anti-static bacteriostatic effect so as to overcome the defects of the prior art.

The invention is realized by the following steps: the antistatic odorless odor-resistant bacteriostatic sulfur-free sponge rubber material comprises, by weight, 42.6-70.9 parts of standard rubber, 7.1-21.3 parts of crepe rubber, 7.1-21.3 parts of virgin rubber, 7.8-22 parts of styrene-butadiene CR rubber, 156-184.4 parts of reclaimed rubber (oil method), 21.3-25.9 parts of fine reclaimed rubber, 1-15 parts of high-strength reclaimed rubber, 14.2-28.4 parts of black factice, 5.7-11.4 parts of environment-friendly odorless tackifying resin, 1.4-2.6 parts of peptizer DS-T-1, 5.2-5.9 parts of sulfur, 9.8-13.1 parts of vulcanization accelerator, 5.4-6.4 parts of active zinc oxide, 24.2-25.9 parts of stearic acid, 8.5-25.4 parts of clay, 11.8-12.8 parts of high-grade odorless foaming agent, 0.2 part of salicylic acid, 8.5-25.4 parts of conductive carbon black and 0.2-0.4 part of clay.

More preferably, the rubber comprises, by weight, 56.7 parts of standard rubber, 14.2 parts of crepe rubber, 14.2 parts of virgin rubber, 14.9 parts of butylbenzene CR rubber, 170.2 parts of reclaimed rubber (oil method), 28.4 parts of fine reclaimed rubber, 7 parts of high-strength reclaimed rubber, 21.3 parts of black factice, 8.5 parts of environment-friendly odorless tackifying resin, 2 parts of peptizer DS-T-1,5.6 parts of sulfur, 11.5 parts of vulcanization accelerator, 1 part of antibacterial and odor-proof powder, 0.9 part of nano-silver antibacterial agent, 0.9 part of nano-silver inorganic antibacterial agent XT-02, 5.9 parts of active zinc oxide, 25.9 parts of stearic acid, 16.9 parts of pottery clay, 12.3 parts of odorless foaming agent, 0.7 part of salicylic acid, 16.9 parts of conductive carbon black and 0.2 part of anti-aging agent.

The standard glue is 2# standard glue.

The vulcanization accelerator is composed of 3.2 parts of accelerator B, 0.2 part of accelerator DS,4.3 parts of accelerator BM,6.5 parts of comprehensive accelerator and 0.4 part of accelerator TMTD per 11.5 parts of vulcanization accelerator.

The anti-aging agent is anti-aging agent CD

The preparation method of the antistatic odorless odor-resistant bacteriostatic sulphur-containing sponge rubber material comprises the following steps of 1) preparing a master batch by taking the following components in parts by weight: sequentially adding standard rubber, crepe rubber, virgin rubber, styrene-butadiene CR rubber, oil-process reclaimed rubber, fine reclaimed rubber, high-strength reclaimed rubber, black factice, environment-friendly odorless tackifying resin, a peptizer DS-T-1 and 0.8 part of stearic acid into internal mixing, pressing for 7-9 minutes after a load pointer of an internal mixer working ammeter rises to above 100A, discharging to an open rubber mixer for 5-6 minutes, discharging, naturally cooling to room temperature, wherein the plasticity is 0.33-0.43, and standing for 24 hours for later use; 2) preparing a rubber compound: putting the prepared masterbatch, a vulcanization accelerator, active zinc oxide, residual stearic acid, antibacterial and deodorant powder, a nano-silver antibacterial agent, a nano-silver inorganic antibacterial agent XT-02, a high-grade odorless foaming agent, an anti-aging agent, salicylic acid and sulfur into an internal mixer, refining for 1 minute, adding conductive carbon black and pottery clay, refining for 6-7 minutes, discharging to an open rubber refining machine, pulling through for 4-5 minutes under the condition that the roller distance of the open rubber refining machine is 4-5 mm to uniformly refine the rubber compound, discharging, cooling with water, detecting and correcting to enable the vulcanization starting point of the rubber compound to be 2-2 minutes and 30 seconds and the plasticity to be 0.45-0.58, and obtaining the finished product of the antistatic, odorless, deodorant and antibacterial sulfur sponge material.

The application of the anti-static odorless odor-resistant bacteriostatic sulfur-bearing sponge sizing material comprises the steps of carrying out hot refining on the anti-static odorless odor-resistant bacteriostatic sulfur-bearing sponge sizing material on an open mill to obtain pieces with corresponding thickness, putting the pieces into an extruder, then laminating and calendering the pieces through a calender and a sponge to obtain pieces with the thickness of 3.0-3.3 mm, punching and cutting the pieces into required film models according to corresponding punching knives to obtain semi-finished products of the anti-static odorless odor-resistant bacteriostatic sulfur-bearing sponge sizing material, pasting the semi-finished products of the sponge on a base fabric in an upper, vulcanizing and foaming the upper large bottom together to obtain the finished products of the anti-static odorless odor-resistant bacteriostatic sulfur-bearing sponge sizing material.

To further verify the effect of the present invention, the following experiment was performed:

First, the influence of Wei's plasticity of standard rubber and plastic compound on the foaming effect of sponge

TABLE 1

As can be seen from Table 1, the Weibull plasticity of the standard gum for sulfur-extended sponges is 0.63-0.68.

Secondly, the influence of the vulcanization matching system on the foaming effect and the resistance value

1. Influence of vulcanization system and pore generation system on quality of sulfur sponge

TABLE 2 test of the coordination system

Table 2 (continuation)

2. Influence of rubber softening system and reinforcing filling system on quality of sponge

TABLE 3 test of reinforcing filler system

3. Antimicrobial application test

TABLE 4 influence of antibacterial agent on the quality of anti-static, odorless, deodorant, antibacterial monosulfur sponge sizing material

The optimum formula dosage obtained from tables 2, 3 and 4 is: the adhesive comprises 56.7 parts of standard adhesive, 14.2 parts of crepe adhesive, 14.2 parts of virgin rubber, 14.9 parts of butylbenzene CR rubber, 170.2 parts of reclaimed rubber (oil method), 28.4 parts of fine reclaimed rubber, 7 parts of high-strength reclaimed rubber, 21.3 parts of black factice, 8.5 parts of environment-friendly odorless tackifying resin, 2 parts of peptizer DS-T-1,5.6 parts of sulfur, 11.5 parts of vulcanization accelerator, 1 part of antibacterial and odor-resistant powder, 0.9 part of nano-silver antibacterial agent, 0.9 part of nano-silver inorganic antibacterial agent XT-02, 5.9 parts of active zinc oxide, 25.9 parts of stearic acid, 16.9 parts of argil, 12.3 parts of high-grade odorless foaming agent, 0.7 part of salicylic acid, 16.9 parts of conductive carbon black and 0.2 part of anti-aging agent.

Thirdly, researching vulcanization conditions:

TABLE 5 influence of vulcanization conditions on the quality of anti-static, odorless, deodorant, bacteriostatic sulfur-containing sponge rubber

TABLE 5 continuation

The test data in table 5 show that the optimal vulcanization conditions of the antistatic odorless odor-resistant bacteriostatic sulfur-free sponge rubber material are as follows: the working pressure of the vulcanizing machine is 20MPa, the vulcanizing temperature is 145 ℃, and the vulcanizing time is 2.1 min.

Fifthly, the quality influence of the accelerator combined system on the antistatic odorless odor-resistant antibacterial monosulfur sponge sizing material

TABLE 6 influence of accelerator combination system on quality of antistatic odorless deodorant bacteriostatic monosulfur sponge sizing material

As can be seen from table 6, the optimum ratio of the accelerator is: every 11.5 parts of vulcanization accelerator consists of 2.5 parts of accelerator B, 0.2 part of accelerator DS,3.4 parts of accelerator BM,5.1 parts of comprehensive accelerator and 0.3 part of accelerator TMTD.

Due to the adoption of the technical scheme, compared with the prior art, the preparation method of the sizing material formula of the sulfur sponge is adjusted, so that the sulfur sponge has the functions of static electricity prevention and bacteriostasis on the premise of meeting the basic performance requirements of the sulfur sponge, the application range and the application prospect are improved, the material source is wide, the preparation method is simple, and the corresponding application method is also provided. The invention is simple and easy to implement, low in cost and good in using effect of the product.

Detailed Description

3. The embodiment of the invention comprises the following steps: an antistatic odorless odor-resistant bacteriostatic sulfur-containing sponge rubber material comprises, by weight, 56.7 parts of standard rubber, 14.2 parts of crepe rubber, 14.2 parts of virgin rubber, 14.9 parts of butylbenzene CR rubber, 170.2 parts of reclaimed rubber (oil method), 28.4 parts of fine reclaimed rubber, 7 parts of high-strength reclaimed rubber, 21.3 parts of black factice, 8.5 parts of environment-friendly odorless tackifying resin, 2 parts of peptizer DS-T-1,5.6 parts of sulfur, 11.5 parts of vulcanization accelerator, 1 part of antibacterial odor-resistant powder, 0.9 part of nano-silver antibacterial agent, 0.9 part of nano-silver inorganic antibacterial agent XT-02, 5.9 parts of active zinc oxide, 25.9 parts of stearic acid, 16.9 parts of pottery clay, 12.3 parts of high-grade odorless foaming agent, 0.7 part of salicylic acid, 16.9 parts of conductive carbon black and 0.2 part of anti-aging agent.

The preparation method of the antistatic odorless odor-resistant bacteriostatic sulphur-containing sponge rubber material comprises the following steps of 1) preparing a master batch by taking the following components in parts by weight: the rubber composition comprises 56.7 parts of standard rubber, 14.2 parts of crepe rubber, 14.2 parts of virgin rubber, 14.9 parts of butylbenzene CR rubber, 170.2 parts of reclaimed rubber (oil method), 28.4 parts of fine reclaimed rubber, 7 parts of high-strength reclaimed rubber, 21.3 parts of black factice, 8.5 parts of environment-friendly odorless tackifying resin, 2 parts of peptizer DS-T-1 and 0.8 part of stearic acid, wherein after a load pointer of an operation ammeter of an internal mixer rises to be above 100A, the mixture is pressed for 7-9 minutes, discharged materials are beaten by an open rubber mixer for 5-6 minutes and then discharged, and the discharged materials are naturally cooled to room temperature, and are placed for 24 hours for later use; 2) preparing a rubber compound: putting the prepared masterbatch, a vulcanization accelerator, active zinc oxide, residual stearic acid, a high-grade odorless foaming agent, an anti-aging agent, salicylic acid and sulfur into an internal mixer, refining for 1 minute, adding conductive carbon black and pottery clay, refining for 6-7 minutes, discharging to an open type rubber refining machine, pulling through for 4-5 minutes under the condition that the roller distance of the open type rubber refining machine is 4-5 mm to uniformly refine the rubber compound, discharging, cooling with water, detecting and correcting, enabling the vulcanization starting point of the rubber compound to be 2 minutes-2 minutes for 30 seconds, and enabling the plasticity to be 0.45-0.58, so as to obtain the finished product of the antistatic, odorless, deodorant and antibacterial sulfur sponge rubber material.

The application of the anti-static odorless odor-resistant bacteriostatic sulfur-bearing sponge sizing material comprises the steps of carrying out hot refining on the anti-static odorless odor-resistant bacteriostatic sulfur-bearing sponge sizing material on an open mill to obtain pieces with corresponding thickness, putting the pieces into an extruder, then laminating and calendering the pieces through a calender and a sponge to obtain pieces with the thickness of 3.0-3.3 mm, punching and cutting the pieces into required film models according to corresponding punching knives to obtain semi-finished products of the anti-static odorless odor-resistant bacteriostatic sulfur-bearing sponge sizing material, pasting the semi-finished products of the sponge on a base fabric in an upper, vulcanizing and foaming the upper large bottom together to obtain the finished products of the anti-static odorless odor-resistant bacteriostatic sulfur-bearing sponge sizing material.