阅读说明：本技术 一种抗菌乒乓球材料及其制备方法 (Antibacterial table tennis ball material and preparation method thereof ) 是由 汤忠军 汤新全 周荣 焦彬 汤计伟 于 2020-11-30 设计创作，主要内容包括：本发明提供一种抗菌乒乓球材料及其制备方法。该材料各组分以及各组分含量如下：苯乙烯40wt％-70wt％、丁苯橡胶10wt％-20wt％、丁二烯1wt％-10wt％、硅油2wt％-10wt％、纳米银离子1wt％-10wt％以及颜料1wt％-3wt％。本申请提供的一种抗菌乒乓球材料不仅具备很高的硬度和弹性模量,制得的乒乓球具有厚薄均匀、使用寿命长的优点,还使乒乓球用材料加工或使用过程中不产生应力,使乒乓球在使用过程中的运行路线规则,不影响运动员发挥,而且使用时间长之后在乒乓球上不会留下白点,具有长久的抗菌性能且制备方法简单易行,不会给环境造成污染。(The invention provides an antibacterial table tennis ball material and a preparation method thereof. The material comprises the following components in percentage by weight: 40-70 wt% of styrene, 10-20 wt% of styrene-butadiene rubber, 1-10 wt% of butadiene, 2-10 wt% of silicone oil, 1-10 wt% of nano silver ions and 1-3 wt% of pigment. The antibacterial table tennis ball material provided by the application has very high hardness and elastic modulus, the prepared table tennis ball has the advantages of uniform thickness and long service life, no stress is generated in the process of processing or using the table tennis ball material, the running route of the table tennis ball in the using process is regular, the exertion of athletes is not influenced, white spots cannot be left on the table tennis ball after long service time, the antibacterial table tennis ball material has long antibacterial performance, the preparation method is simple and easy to implement, and the environment cannot be polluted.)

1. An antibacterial table tennis ball material is characterized by comprising the following components in percentage by weight:

2. the antibacterial table tennis material according to claim 1, wherein the components and the content of the components are as follows: 60 wt% of styrene, 12 wt% of styrene-butadiene rubber, 8 wt% of butadiene, 8 wt% of silicone oil, 10 wt% of nano silver ions and 2 wt% of pigment.

3. The antibacterial table tennis material according to claim 1, wherein the components and the content of the components are as follows: 65 wt% of styrene/styrene, 15 wt% of styrene-butadiene rubber, 5 wt% of butadiene, 7 wt% of silicone oil, 5 wt% of nano silver ions and 3 wt% of pigment.

4. The antibacterial table tennis material according to claim 1, wherein the components and the content of the components are as follows: 60 wt% of styrene, 10 wt% of styrene-butadiene rubber, 10 wt% of butadiene, 9 wt% of silicone oil, 10 wt% of nano silver ions and 1 wt% of pigment.

5. The preparation method of the antibacterial table tennis material as described in any one of claims 1 to 4, comprising the following steps:

(1) respectively crushing styrene, butadiene styrene rubber and butadiene, and sieving with a 200-mesh and 400-mesh sieve to respectively prepare crushed styrene powder, butadiene styrene rubber powder and butadiene powder;

(2) mixing styrene powder and silicone oil, stirring for 10-20min, adding styrene-butadiene rubber powder, and continuously stirring for 20-30min to obtain a mixture A;

(3) mixing butadiene powder with silicone oil, and stirring for 10-20min to obtain mixture B;

(4) mixing and stirring the mixture A and the mixture B for 30-40min, stirring at 60 ℃ for 20-25min, then adding nano silver ions and pigment, stirring at 63-66 ℃ for 1.5h, wherein the rotating speed of a main machine is 200-300 revolutions, the feeding rotating speed is 10-20 revolutions, the granulating rotating speed is 30-50 revolutions, cooling for 24h, then placing in a press for pressurizing at 80-100MPa, and extruding into slices through a double-screw extruder to obtain the ping-pong ball material, wherein the extruding temperature of the double-screw extruder is as follows: the front section is 150 ℃ plus 155 ℃, and the rear section is 215 ℃ plus 220 ℃.

6. The preparation method of the antibacterial table tennis ball material according to claim 5, wherein the method further comprises the steps of drying the table tennis ball material at 50-60 ℃ for 3-6 hours, cooling and packaging.

7. The method for preparing an antibacterial table tennis ball material according to claim 5, wherein the back-end temperature is 220 ℃.

8. The preparation method of the antibacterial table tennis material as claimed in claim 5, wherein the length-diameter ratio of the twin-screw extruder is 44-48: 1.

9. The preparation method of the antibacterial table tennis material as claimed in claim 5, wherein a stirrer is used for stirring, and the stirring speed is 500-800 r/min.

10. The method for preparing an antibacterial table tennis material according to claim 9, wherein the stirring is performed by a stirrer at a speed of 600 r/min.

Technical Field

The application relates to an antibacterial table tennis material, in particular to an antibacterial table tennis material formula and a preparation method thereof, and belongs to the field of materials.

Background

Since the thirty years in the world, the celluloid is adopted as the raw material to prepare the table tennis, and the prepared table tennis has the advantages of uniform thickness and long service life due to the high hardness and elastic modulus, so that the material is continuously used up to now. However, the table tennis manufactured by using celluloid as a raw material has the following disadvantages: 1. the celluloid material takes dehydrated nitrocellulose as a main raw material, is flammable and explosive, has great potential safety hazard in the storage and transportation processes of a raw material stage and a production stage, and also has flammable potential hazard in the storage and transportation processes after being prepared into a table tennis product; 2. for safety, water needs to be added into the nitrocotton in the transportation process, the nitrocotton needs to be dehydrated when in use, a large amount of waste liquid is discharged, harm is brought to the environment, and the nitrocotton is not environment-friendly; 3. the xylonite has a complex manufacturing process and a long manufacturing period. In addition, stress is easily generated in the processing or using process of the existing material for the table tennis, so that the running route of the table tennis is irregular in the using process, the performance of athletes is affected, and white spots are left on the table tennis after long use. Therefore, it is an urgent problem to provide an antibacterial table tennis ball with high hardness and high elastic modulus, which does not generate white spots during use.

Disclosure of Invention

The invention aims to provide an antibacterial table tennis material and a preparation method thereof, and aims to overcome the defects that in the prior art, the material for table tennis is easy to generate stress in the processing or using process, so that the running route of the table tennis is irregular in the using process, the performance of athletes is influenced, white spots are left on the table tennis after long use, and the antibacterial performance is not high.

In order to achieve the purpose, the technical scheme adopted by the invention comprises the following steps:

the antibacterial table tennis material comprises the following components in percentage by weight:

optionally, the upper limit of the mass fraction of styrene is selected from 45 wt%, 50 wt%, 55 wt%, 60 wt%, 65 wt%, 70 wt%; the lower limit of the mass fraction of styrene is selected from 40 wt%, 45 wt%, 50 wt%, 55 wt%, 60 wt%, 65 wt%.

Optionally, the upper limit of the mass fraction of the styrene-butadiene rubber is selected from 12 wt%, 14 wt%, 16 wt%, 18 wt%, 20 wt%; the lower limit of the mass fraction of the styrene-butadiene rubber is selected from 10 wt%, 12 wt%, 14 wt%, 16 wt% and 18 wt%.

Optionally, the upper limit of the mass fraction of butadiene is selected from 6 wt%, 8 wt%, 10 wt%, 11 wt%, 12 wt%, 13 wt%, 14 wt%, 15 wt%; the lower limit of the mass fraction of butadiene is selected from 5 wt%, 6 wt%, 8 wt%, 10 wt%, 11 wt%, 12 wt%, 13 wt%, 14 wt%, 15 wt%.

Optionally, the upper limit of the mass fraction of the silicone oil is selected from 3 wt%, 4 wt%, 5 wt%, 6 wt%, 7 wt%, 8 wt%, 9 wt%, 10 wt%; the lower limit of the mass fraction of the silicone oil is selected from 2 wt%, 3 wt%, 4 wt%, 5 wt%, 6 wt%, 7 wt%, 8 wt%, 9 wt%.

Optionally, the upper limit of the mass fraction of nano-silver ions is selected from 2 wt%, 3 wt%, 4 wt%, 5 wt%, 6 wt%, 7 wt%, 8 wt%, 9 wt%, 10 wt%; the lower limit of the mass fraction of the nano silver ions is selected from 1 wt%, 2 wt%, 3 wt%, 4 wt%, 5 wt%, 6 wt%, 7 wt%, 8 wt%, 9 wt%.

Optionally, the mass fraction of the pigment is 1 wt%.

Optionally, the mass fraction of the pigment is 2 wt%.

Optionally, the mass fraction of the pigment is 3 wt%.

In a more specific embodiment, the antibacterial table tennis material comprises the following components in percentage by weight: 60 wt% of styrene, 12 wt% of styrene-butadiene rubber, 8 wt% of butadiene, 8 wt% of silicone oil, 10 wt% of nano silver ions and 2 wt% of pigment.

In a more specific embodiment, the antibacterial table tennis material comprises the following components in percentage by weight: 65 wt% of styrene/styrene, 15 wt% of styrene-butadiene rubber, 5 wt% of butadiene, 7 wt% of silicone oil, 5 wt% of nano silver ions and 3 wt% of pigment.

In a more specific embodiment, the antibacterial table tennis material comprises the following components in percentage by weight: 60 wt% of styrene, 10 wt% of styrene-butadiene rubber, 10 wt% of butadiene, 9 wt% of silicone oil, 10 wt% of nano silver ions and 1 wt% of pigment.

The preparation method of the antibacterial table tennis ball material comprises the following steps:

(1) respectively crushing styrene, butadiene styrene rubber and butadiene, and sieving with a 200-mesh and 400-mesh sieve to respectively prepare crushed styrene powder, butadiene styrene rubber powder and butadiene powder;

(2) mixing styrene powder and silicone oil, stirring for 10-20min, adding styrene-butadiene rubber powder, and continuously stirring for 20-30min to obtain a mixture A;

(3) mixing butadiene powder with silicone oil, and stirring for 10-20min to obtain mixture B;

(4) mixing and stirring the mixture A and the mixture B for 30-40min, stirring at 60 ℃ for 20-25min, then adding nano silver ions and pigment, stirring at 63-66 ℃ for 1.5h, wherein the rotating speed of a main machine is 200-300 revolutions, the feeding rotating speed is 10-20 revolutions, the granulating rotating speed is 30-50 revolutions, cooling for 24h, then placing in a press for pressurizing at 80-100MPa, and extruding into slices through a double-screw extruder to obtain the ping-pong ball material, wherein the extruding temperature of the double-screw extruder is as follows: the front section is 150 ℃ plus 155 ℃, and the rear section is 215 ℃ plus 220 ℃.

Optionally, the method further comprises the steps of drying the table tennis ball material at 50-60 ℃ for 3-6 hours, cooling and packaging.

Optionally, the method further comprises drying the table tennis ball material at 50 ℃ for 3h, cooling and packaging.

Optionally, the method further comprises drying the table tennis ball material at 60 ℃ for 4h, cooling and packaging.

Optionally, the method further comprises drying the table tennis ball material at 55 ℃ for 5h, cooling and packaging.

Optionally, the back end temperature is 220 ℃.

Optionally, the twin screw extruder has a length to diameter ratio of 44: 1.

Optionally, the twin screw extruder has a length to diameter ratio of 48: 1.

Optionally, a stirrer is adopted for stirring treatment, and the stirring speed is 500-800 r/min.

Optionally, a stirrer is used for stirring, and the stirring speed is 500 r/min.

Optionally, a stirrer is used for stirring, and the stirring speed is 600 r/min.

Optionally, a stirrer is used for stirring, and the stirring speed is 700 r/min.

Optionally, a stirrer is used for stirring, and the stirring speed is 800 r/min.

Compared with the prior art, the invention has the advantages that: the antibacterial table tennis ball material provided by the application has the advantages of high hardness and elastic modulus, the prepared table tennis ball has the advantages of uniform thickness and long service life, no stress is generated in the process of processing or using the table tennis ball material, the running route of the table tennis ball in the using process is regular, the exertion of athletes is not influenced, white spots cannot be left on the table tennis ball after the table tennis ball is used for a long time, the antibacterial table tennis ball material has antibacterial performance, the preparation method is simple and feasible, and the environment cannot be polluted.

Detailed Description

In view of the deficiencies in the prior art, the inventors of the present invention have made extensive studies and extensive practices to provide technical solutions of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.

The technical solution of the present invention is further explained below with reference to several examples.

Example 1

The antibacterial table tennis material comprises the following components in percentage by weight: 60 wt% of styrene, 12 wt% of styrene-butadiene rubber, 8 wt% of butadiene, 8 wt% of silicone oil, 10 wt% of nano silver ions and 2 wt% of pigment.

The preparation method of the antibacterial table tennis ball material comprises the following steps:

(1) respectively crushing styrene, butadiene styrene rubber and butadiene, and sieving with a 200-mesh and 400-mesh sieve to respectively prepare crushed styrene powder, butadiene styrene rubber powder and butadiene powder;

(2) mixing styrene powder and silicone oil, stirring for 20min, adding styrene-butadiene rubber powder, and continuously stirring for 30min to obtain a mixture A;

(3) mixing butadiene powder with silicone oil, and stirring for 20min to obtain a mixture B;

(4) mixing and stirring the mixture A and the mixture B for 40min, stirring at 60 ℃ for 25min, then adding nano silver ions and pigment, stirring at 66 ℃ for 1.5h, rotating at 220 revolutions of a main machine, rotating at 20 revolutions of a feeding machine, rotating at 50 revolutions of grain cutting, cooling for 24h, then putting into a press to pressurize at 80-100MPa, and extruding into slices through a double-screw extruder to obtain the table tennis material, wherein the extrusion temperature of the double-screw extruder is as follows: the front section is 150 ℃ plus 155 ℃, and the rear section is 215 ℃ plus 220 ℃.

And finally, drying the table tennis ball material at 55 ℃ for 4h, cooling and packaging.

Example 2

The antibacterial table tennis material comprises the following components in percentage by weight: 65 wt% of styrene, 15 wt% of styrene-butadiene rubber, 5 wt% of butadiene, 7 wt% of silicone oil, 5 wt% of nano silver ions and 3 wt% of pigment.

(1) Respectively crushing styrene, butadiene styrene rubber and butadiene, and sieving with a 200-mesh and 400-mesh sieve to respectively prepare crushed styrene powder, butadiene styrene rubber powder and butadiene powder;

(2) mixing styrene powder and silicone oil, stirring for 15min, adding styrene-butadiene rubber powder, and continuously stirring for 25min to obtain a mixture A;

(3) mixing butadiene powder with silicone oil, and stirring for 15min to obtain a mixture B;

(4) mixing and stirring the mixture A and the mixture B for 30min, stirring at 60 ℃ for 25min, then adding nano silver ions and pigment, stirring at 65 ℃ for 1.5h, rotating at the main machine speed of 220 r, feeding at the feeding speed of 18 r, granulating at the granulating speed of 42 r, cooling for 24h, then putting into a press, pressurizing at 5-10MPa, and extruding into slices through a double-screw extruder to obtain the ping-pong ball material, wherein the extruding temperature of the double-screw extruder is as follows: the front section is 150 ℃ plus 155 ℃, and the rear section is 215 ℃ plus 220 ℃.

And finally, drying the table tennis ball material at 60 ℃ for 6h, cooling and packaging.

Example 3

60 wt% of styrene, 10 wt% of styrene-butadiene rubber, 10 wt% of butadiene, 9 wt% of silicone oil, 10 wt% of nano silver ions and 1 wt% of pigment.

(1) Respectively crushing styrene, butadiene styrene rubber and butadiene, and sieving with a 200-mesh and 400-mesh sieve to respectively prepare crushed styrene powder, butadiene styrene rubber powder and butadiene powder;

(2) mixing styrene powder and silicone oil, stirring for 15min, adding styrene-butadiene rubber powder, and continuously stirring for 20min to obtain a mixture A;

(3) mixing butadiene powder with silicone oil, and stirring for 10min to obtain a mixture B;

(4) mixing and stirring the mixture A and the mixture B for 35min, stirring at 60 ℃ for 20min, then adding nano silver ions and pigment, stirring at 66 ℃ for 1.5h, rotating at the main engine speed of 300 revolutions, feeding at the feeding speed of 10 revolutions and granulating at the granulating speed of 30 revolutions, cooling for 24h, then putting the mixture into a press, pressurizing at 5-10MPa, and extruding the mixture into slices through a double-screw extruder to obtain the table tennis material, wherein the extruding temperature of the double-screw extruder is as follows: the front section is 150 ℃ plus 155 ℃, and the rear section is 215 ℃ plus 220 ℃.

And finally, drying the table tennis ball material at 50 ℃ for 5 hours, and packaging after cooling.

The application provides an antibiotic material processing for table tennis or not produce stress in the use, make the operation route rule of table tennis in the use, do not influence the sportsman and exert, can not leave the white point and have permanent antibiotic performance on the table tennis after long service life moreover.

It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, which are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and therefore, the protection scope of the present invention is not limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.