CN111454481A - Environment-friendly table tennis bat sponge expanding agent and preparation method and application thereof - Google Patents
Environment-friendly table tennis bat sponge expanding agent and preparation method and application thereof Download PDFInfo
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- CN111454481A CN111454481A CN201910055767.7A CN201910055767A CN111454481A CN 111454481 A CN111454481 A CN 111454481A CN 201910055767 A CN201910055767 A CN 201910055767A CN 111454481 A CN111454481 A CN 111454481A
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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
- C08J9/36—After-treatment
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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
- C08J2300/00—Characterised by the use of unspecified polymers
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Abstract
The invention discloses an environment-friendly table tennis bat sponge expanding agent and a preparation method and application thereof. The environment-friendly table tennis bat sponge expanding agent comprises the following components: 50-70 wt% of alkane solvent, 20-50 wt% of industrial white oil, 1-5 wt% of rubber resin, 1-3 wt% of fatty acid and 0.5-2 wt% of antioxidant. The environment-friendly table tennis bat sponge expanding agent provided by the embodiment of the invention can enable the table tennis bat sponge to be highly swelled within a short time, has long swelling duration, can increase the internal stress of the sponge to the greatest extent, and effectively improves the elasticity and the elasticity duration of the sponge.
Description
Technical Field
The invention particularly relates to an environment-friendly table tennis bat sponge expanding agent, and a preparation method and application thereof, and belongs to the technical field of high polymer materials.
Background
The table tennis sport has become the most common sports in China at present, the professional table tennis level in China is the first place in the world for a long time, and with the popularization of the table tennis sport and the fact that professional athletes break through the requirements of the professional athletes, the requirements of table tennis enthusiasts and athletes on the table tennis bat at all levels are higher and higher. The bat surface rubber is the most important part of the table tennis bat, is directly contacted with the table tennis, and the performance of the bat surface rubber directly influences the batting effect, thereby influencing the tactical performance of athletes. In the past, most table tennis enthusiasts use organic glue to improve the elasticity of table tennis bat sponge for a long time, but the organic glue contains a large amount of small molecules and low-boiling point toxic solvents, is extremely volatile in the using process, seriously threatens the physical health of users, and has the purpose of protecting the physical health of athletes. In addition, the current commercially available racket sponge expanding agent mostly adopts a low molecular weight solvent with a low boiling point, although the sponge can be expanded in a short time, the solvent used has a low boiling point and a high volatilization speed, so that the sponge has short swelling duration and short coating period, and multiple coatings are needed in a certain time, thereby reducing the service life of the sponge.
Disclosure of Invention
Aiming at the defects of the prior art, the invention mainly aims to provide an environment-friendly table tennis bat sponge expanding agent and a preparation method and application thereof.
In order to achieve the purpose, the technical scheme adopted by the invention comprises the following steps:
the embodiment of the invention provides an environment-friendly table tennis bat sponge expanding agent on one hand, which comprises the following components: 50-70 wt% of alkane solvent, 20-50 wt% of industrial white oil, 1-5 wt% of rubber resin, 1-3 wt% of fatty acid and 0.5-2 wt% of antioxidant.
The embodiment of the invention also provides a preparation method of the environment-friendly table tennis bat sponge expanding agent, which comprises the following steps: mixing industrial white oil and an alkane solvent to form a mixed solvent, and then sequentially dissolving fatty acid, rubber resin and an antioxidant in the mixed solvent to form the environment-friendly table tennis bat sponge expanding agent.
The embodiment of the invention also provides a method for improving the elasticity of the sponge of the table tennis bat, which comprises the following steps: the sponge of the table tennis bat can absorb the environment-friendly sponge expanding agent of the table tennis bat.
Compared with the prior art, the invention has the advantages that:
1) the environment-friendly table tennis bat sponge expanding agent provided by the embodiment of the invention can enable the table tennis bat sponge to be highly swelled in a short time, has long swelling duration, can increase the internal stress of the sponge to the greatest extent, and effectively improves the elasticity and the elasticity duration of the sponge;
2) according to the embodiment of the invention, a composite solvent formed by white oil with higher molecular weight and boiling point and alkane with lower molecular weight and boiling point is used as a main solvent of the sponge expanding agent, when the sponge expanding agent is coated on racket sponge, alkane with lower molecular weight and boiling point diffuses into a sponge matrix in a short time, so that the sponge swells in a short time, molecular chain spacing of the sponge is expanded, and then white oil with higher molecular weight and boiling point diffuses into the sponge matrix; the white oil has high boiling point and slow volatilization speed, so the white oil can stay in the sponge matrix for a long time, and the sponge can keep a high swelling state for a long time;
3) according to the environment-friendly table tennis bat sponge expanding agent provided by the embodiment of the invention, a solvent with high molecular weight and high boiling point is used as a basic solvent, the solvent volatilization speed is extremely low at normal temperature, the toxicity of high-carbon alkane and white oil is low, and the components such as rubber resin, fatty acid and antioxidant are stable in property and are extremely difficult to decompose and volatilize, so that the environment-friendly table tennis bat sponge expanding agent has the characteristic of environmental protection;
4) the environment-friendly table tennis bat sponge expanding agent provided by the embodiment of the invention has the advantages that the adopted raw materials and the auxiliary agent are pollution-free, the operation process is simple, and no complex equipment is needed, so that the energy consumption in the preparation process is low, the environment-friendly table tennis bat sponge expanding agent is suitable for large-scale production, and the environment-friendly table tennis bat sponge expanding agent is environment-friendly and is suitable for the current environment-friendly concept.
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 embodiment of the invention provides an environment-friendly table tennis bat sponge expanding agent on one hand, which comprises the following components: 50-70 wt% of alkane solvent, 20-50 wt% of industrial white oil, 1-5 wt% of rubber resin, 1-3 wt% of fatty acid and 0.5-2 wt% of antioxidant.
In some more specific embodiments, the alkane solvent includes any one or a combination of two or more of linear alkanes having 12 to 16 carbon atoms, but is not limited thereto.
In some more specific embodiments, the technical white oil includes any one or a combination of two or more of the white oils No. 3, No. 5, No. 7, and No. 10, but is not limited thereto.
In some more specific embodiments, the rubber resin includes any one or a combination of two or more of natural rubber, butadiene rubber, and ethylene propylene rubber, but is not limited thereto.
In some more specific embodiments, the fatty acid includes any one or a combination of two or more of stearic acid, abietic acid, lauric acid, and palmitic acid, but is not limited thereto.
In some more specific embodiments, the antioxidant comprises any one or a combination of two of microcrystalline wax, trisnonylphenyl phosphite, but is not limited thereto.
The embodiment of the invention also provides a preparation method of the environment-friendly table tennis bat sponge expanding agent, which comprises the following steps: mixing industrial white oil and an alkane solvent to form a mixed solvent, and then sequentially dissolving fatty acid, rubber resin and an antioxidant in the mixed solvent to form the environment-friendly table tennis bat sponge expanding agent.
In some more specific embodiments, the preparation method comprises: dissolving the fatty acid, the rubber resin and the antioxidant at 50-70 ℃ under stirring.
In some more specific embodiments, the preparation method comprises: adding any one of fatty acid, rubber resin and antioxidant into the mixed solvent, and adding the other one after one is dissolved.
The embodiment of the invention also provides a method for improving the elasticity of the sponge of the table tennis bat, which comprises the following steps: the sponge of the table tennis bat can absorb the environment-friendly sponge expanding agent of the table tennis bat.
In some more specific embodiments, the preparation method may comprise the following steps:
putting 50-70Kg of alkane solvent into a container, adding 20-50Kg of industrial white oil into the alkane solvent, stirring at high speed to uniformly mix the alkane solvent and the industrial white oil to form a mixed solvent, heating the mixed solvent to 50-70 ℃, and then sequentially adding 1-3Kg of fatty acid, 1-5Kg of rubber resin and 0.5-2Kg of antioxidant into the mixed solvent under the stirring condition, wherein all the materials can be added after the former material is dissolved, and the environment-friendly table tennis bat sponge expanding agent can be obtained after all the materials are dissolved.
The technical solution of the present invention is further described in detail by the following examples, which are selected only for illustrating the present invention and not for limiting the scope of the present invention.
Example 1
Putting 55Kg of tetradecane into a container, adding 40Kg of No. 5 white oil into the container, stirring at a high speed to uniformly mix the two to form a mixed solvent, heating the mixed solvent to 50 ℃, sequentially adding 1Kg of abietic acid, 3Kg of natural rubber and 1Kg of microcrystalline wax into the mixed solvent under the stirring condition, wherein all the materials can be added after the former material is dissolved, and the environment-friendly table tennis bat sponge expanding agent can be obtained after all the materials are dissolved.
Example 2
Putting 60Kg of tridecane into a container, then adding 30Kg of No. 7 white oil into the container, stirring at a high speed to uniformly mix the two to form a mixed solvent, then heating the mixed solvent to 70 ℃, sequentially adding 3Kg of stearic acid, 5Kg of butadiene rubber and 2Kg of microcrystalline wax into the mixed solvent under the stirring condition, wherein all the materials can be added after the former material is dissolved, and the environment-friendly table tennis bat sponge expanding agent can be obtained after all the materials are dissolved.
Example 3
Putting 70Kg of dodecane into a container, adding 20Kg of No. 10 white oil into the container, stirring at a high speed to uniformly mix the dodecane and the 10 Kg white oil to form a mixed solvent, heating the mixed solvent to 70 ℃, sequentially adding 3Kg of palmitic acid, 5Kg of ethylene propylene rubber and 2Kg of trinonyl phenyl phosphite into the mixed solvent under the stirring condition, wherein all materials can be added after the former material is dissolved, and the environment-friendly table tennis bat sponge expanding agent can be obtained after all materials are dissolved.
Example 4
Putting 50Kg of pentadecane into a container, adding 47.5Kg of No. 7 white oil into the container, stirring at a high speed to uniformly mix the pentadecane and the 7 Kg white oil to form a mixed solvent, heating the mixed solvent to 60 ℃, sequentially adding 1Kg of lauric acid, 1Kg of butadiene rubber and 0.5Kg of trinonyl phenyl phosphite into the mixed solvent under the stirring condition, wherein all the materials can be added after the previous material is dissolved, and the environment-friendly table tennis bat sponge expanding agent can be obtained after all the materials are dissolved.
Example 5
Putting 45Kg of hexadecane into a container, adding 50Kg of No. 3 white oil into the container, stirring at a high speed to uniformly mix the two to form a mixed solvent, heating the mixed solvent to 60 ℃, sequentially adding 1Kg of stearic acid, 3Kg of natural rubber and 1Kg of microcrystalline wax into the mixed solvent under the stirring condition, wherein all the materials can be added after the former material is dissolved, and the environment-friendly table tennis bat sponge expanding agent can be obtained after all the materials are dissolved.
The performance test of each example is carried out, and for comparison, the expansion of the environmentally-friendly table tennis bat sponge prepared by the example of the invention is compared with two commercially available expansion agents with different brands [ such as marine moon (100ml) and galaxy (250ml) ] to respectively test the swelling ratio, swelling time, duration and VOC volatile matter, and the test method is as follows:
a) swelling ratio: using commercially available racket sponges as test objects, and testing the volume of each sponge in advance; respectively brushing the racket sponge expanding agent prepared in each example and a commercially available expanding agent on a purchased racket sponge, and after the expanding agent is absorbed, testing the volume of each sponge, wherein the sponge swelling ratio is the ratio of the volume after brushing the expanding agent to the volume before brushing; each swelling agent was independently tested 3 times, and the results were averaged over 3 tests.
b) Swelling time: the swelling time is the time from the completion of the brushing of the swelling agent to the complete absorption of the swelling agent.
c) Duration: the duration is the time taken from the completion of the absorption of the swelling agent to the complete recovery of the sponge.
d) Volatile VOC: all swelling agents were tested for volatile VOC using a hand held VOC gas detector.
The test results are shown in table 1:
table 1 shows the performance test results of the environmentally friendly table tennis bat sponge expanding agent prepared in examples 1-5 and the commercially available 1 and 2 expanding agents
As can be seen from the performance test results in Table 1, the sponge expanding agent for the environmentally-friendly table tennis bat provided by the embodiment of the invention can enable the sponge to achieve a larger expansion degree compared with the currently marketed expanding agent, the swelling time of the expanding agent is greatly shortened, the swelling duration is obviously prolonged, VOC volatile matters are all about 1ppm and are lower than 4ppm specified by International ping-pong, and therefore, the sponge expanding agent is effective in use and environmentally-friendly.
The invention also selects other alkane solvents, industrial white oil, rubber resin, fatty acid and antioxidant, and prepares the environment-friendly table tennis bat sponge expanding agent by adopting different mass proportions, and the performance test result is basically consistent with the test result in the table 1. The environment-friendly table tennis bat sponge expanding agent provided by the embodiment of the invention can enable the table tennis bat sponge to be highly swelled in a short time, has long swelling duration, can increase the internal stress of the sponge to the greatest extent, and effectively improves the elasticity and the elasticity duration of the sponge; the environment-friendly table tennis bat sponge expanding agent provided by the embodiment of the invention adopts a solvent with high molecular weight and high boiling point as a basic solvent, the solvent has extremely low volatilization speed at normal temperature, the toxicity of high-carbon alkane and white oil is low, and the components such as rubber resin, fatty acid, antioxidant and the like are stable and are extremely difficult to decompose and volatilize, so the environment-friendly table tennis bat sponge expanding agent has the characteristic of environmental protection.
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.
Claims (10)
1. An environment-friendly table tennis bat sponge expanding agent is characterized by comprising the following components: 50-70 wt% of alkane solvent, 20-50 wt% of industrial white oil, 1-5 wt% of rubber resin, 1-3 wt% of fatty acid and 0.5-2 wt% of antioxidant.
2. The environment-friendly table tennis bat sponge expanding agent as claimed in claim 1, wherein: the alkane solvent comprises any one or combination of more than two of straight-chain alkanes with 12-16 carbon atoms.
3. The environment-friendly table tennis bat sponge expanding agent as claimed in claim 1, wherein: the industrial white oil comprises any one or combination of more than two of No. 3, No. 5, No. 7 and No. 10 white oils.
4. The environment-friendly table tennis bat sponge expanding agent as claimed in claim 1, wherein: the rubber resin comprises any one or the combination of more than two of natural rubber, butadiene rubber and ethylene propylene rubber.
5. The environment-friendly table tennis bat sponge expanding agent as claimed in claim 1, wherein: the fatty acid comprises one or more of stearic acid, abietic acid, lauric acid and palmitic acid.
6. The environment-friendly table tennis bat sponge expanding agent as claimed in claim 1, wherein: the antioxidant comprises any one or two of microcrystalline wax and trinonyl phenyl phosphite ester.
7. The method for preparing the sponge expanding agent for the environment-friendly table tennis bat of any one of claims 1 to 6, which comprises the following steps: mixing industrial white oil and an alkane solvent to form a mixed solvent, and then sequentially dissolving fatty acid, rubber resin and an antioxidant in the mixed solvent to form the environment-friendly table tennis bat sponge expanding agent.
8. The production method according to claim 7, characterized by comprising: dissolving the fatty acid, the rubber resin and the antioxidant at 50-70 ℃ under stirring.
9. The production method according to claim 7 or 8, characterized by comprising: adding any one of fatty acid, rubber resin and antioxidant into the mixed solvent, and adding the other one after one is dissolved.
10. A method for improving the elasticity of table tennis bat sponge is characterized by comprising the following steps: making a table tennis bat sponge absorb the environmentally friendly table tennis bat sponge expanding agent of any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055767.7A CN111454481A (en) | 2019-01-21 | 2019-01-21 | Environment-friendly table tennis bat sponge expanding agent and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910055767.7A CN111454481A (en) | 2019-01-21 | 2019-01-21 | Environment-friendly table tennis bat sponge expanding agent and preparation method and application thereof |
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| CN111454481A true CN111454481A (en) | 2020-07-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1025935A (en) * | 1963-02-28 | 1966-04-14 | Shell Internationale Res Maate | Expandable and cellular polymers and articles comprised thereof |
| US5910528A (en) * | 1996-03-27 | 1999-06-08 | Falicoff; Waqidi | Table tennis rubber solvent and adhesive systems |
| CN101003711A (en) * | 2007-01-15 | 2007-07-25 | 徐昊为 | Binder in use for jointing covering rubber on table tennis bat |
| CN105950061A (en) * | 2016-05-16 | 2016-09-21 | 天津纽威特橡胶制品股份有限公司 | Adhering glue for table tennis racket surface rubber |
| CN107805394A (en) * | 2017-12-08 | 2018-03-16 | 惠州有空运动体育科技服务有限公司 | A kind of environment-protecting and non-poisonous rubber on table tennis bat spongy layer swelling agent and preparation method thereof |
-
2019
- 2019-01-21 CN CN201910055767.7A patent/CN111454481A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1025935A (en) * | 1963-02-28 | 1966-04-14 | Shell Internationale Res Maate | Expandable and cellular polymers and articles comprised thereof |
| US5910528A (en) * | 1996-03-27 | 1999-06-08 | Falicoff; Waqidi | Table tennis rubber solvent and adhesive systems |
| CN101003711A (en) * | 2007-01-15 | 2007-07-25 | 徐昊为 | Binder in use for jointing covering rubber on table tennis bat |
| CN105950061A (en) * | 2016-05-16 | 2016-09-21 | 天津纽威特橡胶制品股份有限公司 | Adhering glue for table tennis racket surface rubber |
| CN107805394A (en) * | 2017-12-08 | 2018-03-16 | 惠州有空运动体育科技服务有限公司 | A kind of environment-protecting and non-poisonous rubber on table tennis bat spongy layer swelling agent and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 中国石油化工集团公司人事教育部: "《多种经营企业产品手册》" * |
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Application publication date: 20200728 |