CN114410117A - Preparation method of environment-friendly silicon rubber sports floor - Google Patents
Preparation method of environment-friendly silicon rubber sports floor Download PDFInfo
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
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- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
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- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
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- C08J2383/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2383/04—Polysiloxanes
- C08J2383/07—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
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Abstract
The invention discloses a preparation method of an environment-friendly silicon rubber sports floor. The invention selects the tasteless, nontoxic, harmless and weather-proof silicon rubber as the matrix, fully mixes the reinforcing agent, the filling agent, the foaming agent, the cross-linking agent, the coloring agent and other auxiliary agents with the silicon rubber, and obtains the silicon rubber sports floor through the working procedures of rolling, vulcanization and the like. The silicon rubber sports floor prepared by the method has the characteristics of excellent elasticity, excellent buffering performance, high wear resistance, high weather resistance, long service life and no odor, and is suitable for places with high standards for sports floors, such as high-end stadiums, kindergartens and the like.
Description
The technical field is as follows:
the invention belongs to the technical field of preparation of silicon rubber products, and particularly relates to a preparation method of an environment-friendly silicon rubber sports floor.
Background art:
the sports floor is widely applied to sports places such as stadiums, gymnasiums and training halls. The floor is mainly divided into a high polymer material matrix floor and a wood material floor according to different preparation raw materials. Compared with a wood floor, the polymer matrix floor has the characteristics of better buffer performance, wear resistance, longer service life and the like. Polymer base member sports floor is mainly polyvinyl chloride (PVC) material in the existing market, and this material low price, but in outdoor place, low temperature environment can lead to PVC sports floor sclerosis, and antiskid and buffering effect variation seriously influence motion experience and life. In addition, because a large amount of auxiliaries are used in the processing of the PVC material, the auxiliaries are easy to migrate out after long-term use, so that the material is aged and becomes brittle and discolored, and meanwhile, the migrated auxiliaries emit unpleasant odor, and even the physical health of sports personnel is affected in severe cases. Therefore, it is of great significance to develop a sports floor that can maintain good elasticity, excellent weather resistance, and no odor over a wide temperature range for the development of high-end green and environment-friendly sports floors.
The invention content is as follows:
the invention mainly aims at the defects that the traditional sports floor is easy to age, change color, has large smell and the like when being used for a long time, and provides a high-performance silicon rubber sports floor formula and a preparation method thereof.
The environment-friendly silicon rubber sports floor comprises the following raw materials:
the silicon rubber is methyl vinyl silicon rubber, and the molecular weight is 40-70 ten thousand.
The reinforcing agent is one or more of fumed silica, precipitated silica, carbon black, short fibers, carbon nanotubes and graphene.
The filler is one or more of nano calcium carbonate, argil, diatomite, clay and hydrotalcite.
The hydroxyl content of the hydroxyl silicone oil is 2-10%.
The internal mold release agent is one or more of stearic acid, zinc stearate and paraffin.
The foaming agent is one or more of foaming agent AC, foaming agent OB and foaming agent polymer microspheres.
The cross-linking agent is one or more of 2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane, dicumyl peroxide, di-tert-butylperoxy dicumyl and 1, 1-bis (tert-butylperoxy) -3,3, 5-trimethylcyclohexane.
The preparation method of the environment-friendly silicon rubber sports floor comprises the following steps:
(1) adding silicon rubber into an internal mixer at the temperature of 60-100 ℃ for mixing for 2min, then adding a reinforcing agent, a filling agent, hydroxyl silicone oil and an internal release agent for mixing for 5-10min, increasing the temperature of the internal mixer to 150-;
(2) adding a foaming agent, a coloring agent and a cross-linking agent into the rubber material obtained in the step (1) on a double-roller open mill, fully mixing to obtain a rubber compound, and cooling for later use;
(3) calendering on a three-roll calender at the temperature of 30-60 ℃ to obtain a sheet, and vulcanizing by a drum vulcanizer to obtain a vulcanized product;
(4) and continuously treating the vulcanized product in a blast drying channel at the temperature of 100-200 ℃ for 0.1-10h to finally obtain the environment-friendly silicon rubber sports floor.
The silicon rubber sports floor prepared by the method has the characteristics of excellent elasticity, excellent buffering performance, high wear resistance, high weather resistance, long service life and no odor, and is suitable for places with high standards for sports floors, such as high-end stadiums, kindergartens and the like.
Description of the drawings:
FIG. 1 is a photograph of an environmentally friendly silicone rubber sports floor sample prepared according to the present invention.
The specific implementation mode is as follows:
example 1
The preparation process comprises the following steps:
(1) setting the temperature of an internal mixer to be 100 ℃, adding silicon rubber for mixing for 2min, then adding fumed silica, calcium carbonate, hydroxyl silicone oil, zinc stearate and the like for mixing for 10min, raising the temperature of the internal mixer to be 150 ℃, mixing for 30min at the temperature, and discharging for later use.
(2) Adding foaming agent polymer microsphere foaming agent, iron oxide red and bis-25 into a double-roller open mill, fully mixing, and taking out for later use.
(3) And (3) rolling the silicon rubber sheet on a calender with the temperature of 50 ℃, and preparing the silicon rubber sports floor by drum type vulcanization equipment.
(4) And (3) continuously baking the silicon rubber sports floor in a blast drying tunnel at the temperature of 100 ℃, wherein the processing time is 1h, and finally obtaining the silicon rubber sports floor product.
Example 2
The preparation process comprises the following steps:
(1) setting the temperature of an internal mixer to be 60 ℃, adding silicon rubber for mixing for 2min, then adding white carbon black, argil, hydroxyl silicone oil, stearic acid and the like for mixing for 5min, raising the temperature of the internal mixer to be 180 ℃, mixing for 5min at the temperature, and discharging for later use.
(2) Adding foaming agents AC, iron oxide red and DCP on a double-roller open mill, fully mixing, and taking out for later use.
(3) And (3) rolling the silicon rubber sheet on a calender with the temperature of 30 ℃, and preparing the silicon rubber sports floor by drum type vulcanization equipment.
(4) And (3) continuously baking the silicon rubber sports floor in a blast drying tunnel at the temperature of 200 ℃, wherein the processing time is 0.1h, and finally obtaining the silicon rubber sports floor product.
Example 3
The preparation process comprises the following steps:
(1) setting the temperature of an internal mixer to be 80 ℃, adding silicon rubber for mixing for 2min, then adding precipitated silica, diatomite, hydroxyl silicone oil, paraffin and the like for mixing for 8min, raising the temperature of the internal mixer to be 160 ℃, mixing for 30min at the temperature, and discharging for later use.
(2) Adding foaming agents OB, iron oxide red and odorless DCP on a two-roll open mill, fully mixing, and taking out for later use. And (3) rolling the silicon rubber sheet on a calender with the temperature of 60 ℃, and preparing the silicon rubber sports floor by drum type vulcanization equipment.
(4) And (3) continuously baking the silicon rubber sports floor in a blast drying tunnel at the temperature of 100 ℃, wherein the processing time is 10 hours, and finally obtaining the silicon rubber sports floor product.
Example 4
The preparation process comprises the following steps:
(1) setting the temperature of an internal mixer to be 90 ℃, adding silicon rubber for mixing for 2min, then adding carbon nano tubes, calcium carbonate, hydroxyl silicone oil, zinc stearate and the like for mixing for 6min, raising the temperature of the internal mixer to be 170 ℃, mixing for 20min at the temperature, and discharging for later use.
(2) Adding a polymer microsphere foaming agent, cobalt blue and TMCH on a double-roll open mill, fully mixing, and taking out for later use.
(3) And (3) rolling the silicon rubber sheet on a calender with the temperature of 50 ℃, and preparing the silicon rubber sports floor by drum type vulcanization equipment.
(4) And (3) continuously baking the silicon rubber sports floor in a forced air drying tunnel at the temperature of 150 ℃, wherein the processing time is 1h, and finally obtaining the silicon rubber sports floor product.
Example 5
The preparation process comprises the following steps:
(1) setting the temperature of an internal mixer to be 90 ℃, adding silicon rubber for mixing for 2min, then adding graphene, hydrotalcite, hydroxyl silicone oil, stearic acid and the like for mixing for 6min, increasing the temperature of the internal mixer to be 170 ℃, mixing for 20min at the temperature, and discharging for later use.
(2) Adding a foaming agent OB, a polymer microsphere foaming agent, cobalt blue and TMCH on a double-roll open mill, and fully mixing to obtain a tablet for later use.
(3) And (3) rolling the silicon rubber sheet on a calender with the temperature of 50 ℃, and preparing the silicon rubber sports floor by drum type vulcanization equipment.
(4) And (3) continuously baking the silicon rubber sports floor in a forced air drying tunnel at the temperature of 150 ℃, wherein the processing time is 1h, and finally obtaining the silicon rubber sports floor product.
The main performance of the silicon rubber sports floor (with the thickness of 9mm) prepared in the embodiment of the invention is compared with the index requirement of national standard GB14833-2020 court sports floor (with the thickness of 9mm) and the result is shown as follows:
while the invention has been described in detail with respect to specific preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. An environment-friendly silicon rubber sports floor is characterized by comprising the following raw materials:
2. the environment-friendly silicone rubber sports flooring according to claim 1, wherein the silicone rubber is methyl vinyl silicone rubber having a molecular weight of between 40 and 70 ten thousand.
3. The environment-friendly silicon rubber sports floor as claimed in claim 1, wherein the reinforcing agent is one or more of fumed silica, precipitated silica, carbon black, short fibers, carbon nanotubes and graphene.
4. The environment-friendly silicon rubber sports floor as claimed in claim 1, wherein the filler is one or more of nano calcium carbonate, pottery clay, diatomite, clay and hydrotalcite.
5. The environment-friendly silicone rubber sports floor as recited in claim 1, wherein the hydroxy silicone oil has a hydroxy content of 2-10%.
6. The environment-friendly silicon rubber sports floor as claimed in claim 1, wherein the internal mold release agent is one or more of stearic acid, zinc stearate and paraffin.
7. The environment-friendly silicone rubber sports floor as recited in claim 1, wherein the foaming agent is one or more of foaming agent AC, foaming agent OB and foaming agent polymer microspheres.
8. The environment-friendly silicone rubber sports flooring according to claim 1, wherein the crosslinking agent is one or more of 2, 5-dimethyl-2, 5-bis (t-butylperoxy) hexane, dicumyl peroxide, di-t-butylperoxy dicumyl, 1-bis (t-butylperoxy) -3,3, 5-trimethylcyclohexane.
9. The preparation method of the environment-friendly silicon rubber sports floor as claimed in claim 1, wherein the preparation method comprises the following specific steps:
(1) adding silicon rubber into an internal mixer at the temperature of 60-100 ℃ for mixing for 2min, then adding a reinforcing agent, a filling agent, hydroxyl silicone oil and an internal release agent for mixing for 5-10min, increasing the temperature of the internal mixer to 150-;
(2) adding a foaming agent, a coloring agent and a cross-linking agent into the rubber material obtained in the step (1) on a double-roller open mill, fully mixing to obtain a rubber compound, and cooling for later use;
(3) calendering on a three-roll calender at the temperature of 30-60 ℃ to obtain a sheet, and vulcanizing by a drum vulcanizer to obtain a vulcanized product;
(4) and continuously treating the vulcanized product in a blast drying channel at the temperature of 100-200 ℃ for 0.1-10h to finally obtain the environment-friendly silicon rubber sports floor.
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