CN113024904A - Preparation method of silicon dioxide reinforced butadiene rubber - Google Patents
Preparation method of silicon dioxide reinforced butadiene rubber Download PDFInfo
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- CN113024904A CN113024904A CN201911360310.3A CN201911360310A CN113024904A CN 113024904 A CN113024904 A CN 113024904A CN 201911360310 A CN201911360310 A CN 201911360310A CN 113024904 A CN113024904 A CN 113024904A
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- butadiene rubber
- silicon dioxide
- reinforced
- silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a preparation method of silicon dioxide reinforced butadiene rubber, which comprises the following steps: step one, ultrasonically dispersing zinc oxide, magnesium hydroxide and nano silicon dioxide particles into absolute ethyl alcohol to obtain a dispersion system; the ultrasonic dispersion power is 700 w-800 w; step two, drying the dispersion system obtained in the step one at 90-120 ℃ for 4-6 h, then mixing the dispersion system with butadiene rubber and natural rubber, adding a methoxy silane coupling agent, triethyl citrate, sodium carboxymethylcellulose and polyethylene for mixing, and stirring at the speed of 100-200 r/min at the temperature of 30-50 ℃ for 30-45 min to obtain a mixed system; and step three, adding dicumyl peroxide and carbon black into the mixed system obtained in the step two, mixing for 15-20 min, and thinly passing for 3-6 times to obtain the silicon dioxide reinforced butadiene rubber.
Description
Technical Field
The invention belongs to the technical field of rubber, and particularly relates to a preparation method of silicon dioxide reinforced butadiene rubber.
Background
Synthetic rubber is prepared by polymerizing various monomers, is used as a high-elasticity polymer material with reversible deformation, and has been developed for a long time in the fields of traffic, buildings, machinery, electronics and the like.
Currently, with the deepening of industry subdivision trend, the requirements and demands for wear resistance, heat resistance, aging resistance and sulfur content of synthetic rubber in different fields are also different.
The processed synthetic rubber has the defects of obviously poorer performance of the synthetic rubber than natural rubber, poor self-adhesion, low strength and the like.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a preparation method of silica reinforced butadiene rubber aiming at the defects of the prior art. The silicon dioxide reinforced butadiene rubber prepared by the method has the advantages of easy processing, high strength, low cost and high performance stability, and the natural rubber and the nano silicon dioxide particles are added into the rubber material, so that the components are uniformly dispersed and the performance is stable.
In order to solve the technical problems, the invention adopts the technical scheme that: a preparation method of silica reinforced butadiene rubber is characterized by comprising the following steps:
step one, ultrasonically dispersing zinc oxide, magnesium hydroxide and nano silicon dioxide particles into absolute ethyl alcohol to obtain a dispersion system; the ultrasonic dispersion time is 30-50 min, and the ultrasonic dispersion power is 700-800 w;
step two, drying the dispersion system obtained in the step one at 90-120 ℃ for 4-6 h, then mixing the dispersion system with butadiene rubber and natural rubber, adding a methoxy silane coupling agent, triethyl citrate, sodium carboxymethylcellulose and polyethylene for mixing, and stirring at the speed of 100-200 r/min at the temperature of 30-50 ℃ for 30-45 min to obtain a mixed system;
and step three, adding dicumyl peroxide and carbon black into the mixed system obtained in the step two, mixing for 15-20 min, and thinly passing for 3-6 times to obtain the silicon dioxide reinforced butadiene rubber.
The preparation method of the silicon dioxide reinforced butadiene rubber is characterized in that
100-150 parts of butadiene rubber;
10-20 parts of natural rubber;
10-20 parts of nano silicon dioxide particles;
1-10 parts of methoxy silane coupling agent;
20-50 parts of triethyl citrate;
10-20 parts of sodium carboxymethylcellulose;
10-15 parts of zinc oxide;
2-10 parts of magnesium hydroxide;
1-5 parts of carbon black;
10-30 parts of polyethylene;
1 to 10 parts of dicumyl peroxide.
The preparation method of the silicon dioxide reinforced butadiene rubber is characterized in that
120-140 parts of butadiene rubber;
12-18 parts of natural rubber;
12-18 parts of nano silicon dioxide particles;
2-8 parts of methoxy silane coupling agent;
30-40 parts of triethyl citrate;
12-18 parts of sodium carboxymethylcellulose;
12-14 parts of zinc oxide;
4-8 parts of magnesium hydroxide;
2-4 parts of carbon black;
15-25 parts of polyethylene;
2 to 8 portions of dicumyl peroxide.
The preparation method of the silicon dioxide reinforced butadiene rubber is characterized in that
130 parts of butadiene rubber;
16 parts of natural rubber;
16 parts of nano silicon dioxide particles;
6 parts of a methoxy silane coupling agent;
35 parts of triethyl citrate;
16 parts of sodium carboxymethyl cellulose;
13 parts of zinc oxide;
6 parts of magnesium hydroxide;
3 parts of carbon black;
20 parts of polyethylene;
6 parts of dicumyl peroxide.
The preparation method of the silica reinforced butadiene rubber is characterized in that the particle size of the nano silica particles is 50-100 nm.
The preparation method of the silicon dioxide reinforced butadiene rubber is characterized in that the molecular weight of the polyethylene is 800-1000.
Compared with the prior art, the invention has the following advantages:
1. the silicon dioxide reinforced butadiene rubber prepared by the method has the advantages of easy processing, high strength, low cost and high performance stability, and the natural rubber and the nano silicon dioxide particles are added into the rubber material, so that the components are uniformly dispersed and the performance is stable.
The technical solution of the present invention is further described in detail with reference to the following examples.
Detailed Description
Example 1
The preparation method of the silica reinforced butadiene rubber comprises the following raw materials in parts by weight:
130 parts of butadiene rubber;
16 parts of natural rubber;
16 parts of nano silicon dioxide particles;
6 parts of a methoxy silane coupling agent;
35 parts of triethyl citrate;
16 parts of sodium carboxymethyl cellulose;
13 parts of zinc oxide;
6 parts of magnesium hydroxide;
3 parts of carbon black;
20 parts of polyethylene;
6 parts of dicumyl peroxide.
The particle size of the nano silicon dioxide particles is 80 nm.
The polyethylene has a molecular weight of 900.
The method comprises the following steps:
step one, ultrasonically dispersing zinc oxide, magnesium hydroxide and nano silicon dioxide particles into absolute ethyl alcohol to obtain a dispersion system; the ultrasonic dispersion time is 40min, and the ultrasonic dispersion power is 750 w;
step two, drying the dispersion system obtained in the step one at 100 ℃ for 5 hours, then mixing the dispersion system with butadiene rubber and natural rubber, adding a methoxy silane coupling agent, triethyl citrate, sodium carboxymethylcellulose and polyethylene, mixing, and stirring at the temperature of 40 ℃ at the speed of 150r/min for 40min to obtain a mixed system;
and step three, adding dicumyl peroxide and carbon black into the mixed system obtained in the step two, mixing for 18min, and thinly passing for 5 times to obtain the silicon dioxide reinforced butadiene rubber.
Example 2
The preparation method of the silica reinforced butadiene rubber comprises the following raw materials in parts by weight:
120 parts of butadiene rubber;
12 parts of natural rubber;
12 parts of nano silicon dioxide particles;
2 parts of a methoxy silane coupling agent;
30 parts of triethyl citrate;
12 parts of sodium carboxymethyl cellulose;
12 parts of zinc oxide;
4 parts of magnesium hydroxide;
2 parts of carbon black;
15 parts of polyethylene;
and 2 parts of dicumyl peroxide.
The particle size of the nano silicon dioxide particles is 50 nm.
The polyethylene has a molecular weight of 800.
The method comprises the following steps:
step one, ultrasonically dispersing zinc oxide, magnesium hydroxide and nano silicon dioxide particles into absolute ethyl alcohol to obtain a dispersion system; the ultrasonic dispersion time is 30min, and the ultrasonic dispersion power is 700 w;
step two, drying the dispersion system obtained in the step one at 90 ℃ for 6 hours, then mixing the dispersion system with butadiene rubber and natural rubber, adding a methoxy silane coupling agent, triethyl citrate, sodium carboxymethylcellulose and polyethylene, mixing, and stirring at the temperature of 30 ℃ at the speed of 200r/min for 30min to obtain a mixed system;
and step three, adding dicumyl peroxide and carbon black into the mixed system obtained in the step two, mixing for 15min, and thinly passing for 3 times to obtain the silicon dioxide reinforced butadiene rubber.
Example 3
The preparation method of the silica reinforced butadiene rubber comprises the following raw materials in parts by weight:
140 parts of butadiene rubber;
18 parts of natural rubber;
18 parts of nano silicon dioxide particles;
8 parts of a methoxy silane coupling agent;
40 parts of triethyl citrate;
18 parts of sodium carboxymethyl cellulose;
14 parts of zinc oxide;
8 parts of magnesium hydroxide;
4 parts of carbon black;
25 parts of polyethylene;
8 parts of dicumyl peroxide.
The particle size of the nano silicon dioxide particles is 100 nm.
The polyethylene has a molecular weight of 1000.
The method comprises the following steps:
step one, ultrasonically dispersing zinc oxide, magnesium hydroxide and nano silicon dioxide particles into absolute ethyl alcohol to obtain a dispersion system; the ultrasonic dispersion time is 50min, and the ultrasonic dispersion power is 800 w;
step two, drying the dispersion system obtained in the step one at 120 ℃ for 4 hours, then mixing the dispersion system with butadiene rubber and natural rubber, adding a methoxy silane coupling agent, triethyl citrate, sodium carboxymethylcellulose and polyethylene, mixing, and stirring at the temperature of 50 ℃ at the speed of 200r/min for 45min to obtain a mixed system;
and step three, adding dicumyl peroxide and carbon black into the mixed system obtained in the step two, mixing for 20min, and thinly passing for 6 times to obtain the silicon dioxide reinforced butadiene rubber.
Example 4
The preparation method of the silica reinforced butadiene rubber comprises the following raw materials in parts by weight:
100 parts of butadiene rubber;
10 parts of natural rubber;
10 parts of nano silicon dioxide particles;
1 part of methoxy silane coupling agent;
20 parts of triethyl citrate;
10 parts of sodium carboxymethyl cellulose;
10 parts of zinc oxide;
2 parts of magnesium hydroxide;
1 part of carbon black;
10 parts of polyethylene;
1 part of dicumyl peroxide.
The particle size of the nano silicon dioxide particles is 50 nm.
The polyethylene has a molecular weight of 800.
The method comprises the following steps:
step one, ultrasonically dispersing zinc oxide, magnesium hydroxide and nano silicon dioxide particles into absolute ethyl alcohol to obtain a dispersion system; the ultrasonic dispersion time is 50min, and the ultrasonic dispersion power is 800 w;
step two, drying the dispersion system obtained in the step one at 120 ℃ for 4 hours, then mixing the dispersion system with butadiene rubber and natural rubber, adding a methoxy silane coupling agent, triethyl citrate, sodium carboxymethylcellulose and polyethylene, mixing, and stirring at the temperature of 50 ℃ at the speed of 200r/min for 45min to obtain a mixed system;
and step three, adding dicumyl peroxide and carbon black into the mixed system obtained in the step two, mixing for 20min, and thinly passing for 6 times to obtain the silicon dioxide reinforced butadiene rubber.
Example 5
The preparation method of the silica reinforced butadiene rubber comprises the following raw materials in parts by weight:
150 parts of butadiene rubber;
20 parts of natural rubber;
20 parts of nano silicon dioxide particles;
10 parts of methoxy silane coupling agent;
50 parts of triethyl citrate;
20 parts of sodium carboxymethyl cellulose;
15 parts of zinc oxide;
10 parts of magnesium hydroxide;
5 parts of carbon black;
30 parts of polyethylene;
10 parts of dicumyl peroxide.
The particle size of the nano silicon dioxide particles is 100 nm.
The polyethylene has a molecular weight of 1000.
The method comprises the following steps:
step one, ultrasonically dispersing zinc oxide, magnesium hydroxide and nano silicon dioxide particles into absolute ethyl alcohol to obtain a dispersion system; the ultrasonic dispersion time is 50min, and the ultrasonic dispersion power is 800 w;
step two, drying the dispersion system obtained in the step one at 120 ℃ for 4 hours, then mixing the dispersion system with butadiene rubber and natural rubber, adding a methoxy silane coupling agent, triethyl citrate, sodium carboxymethylcellulose and polyethylene, mixing, and stirring at the temperature of 50 ℃ at the speed of 200r/min for 45min to obtain a mixed system;
and step three, adding dicumyl peroxide and carbon black into the mixed system obtained in the step two, mixing for 20min, and thinly passing for 6 times to obtain the silicon dioxide reinforced butadiene rubber.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. A preparation method of silica reinforced butadiene rubber is characterized by comprising the following steps:
step one, ultrasonically dispersing zinc oxide, magnesium hydroxide and nano silicon dioxide particles into absolute ethyl alcohol to obtain a dispersion system; the ultrasonic dispersion time is 30-50 min, and the ultrasonic dispersion power is 700-800 w;
step two, drying the dispersion system obtained in the step one at 90-120 ℃ for 4-6 h, then mixing the dispersion system with butadiene rubber and natural rubber, adding a methoxy silane coupling agent, triethyl citrate, sodium carboxymethylcellulose and polyethylene for mixing, and stirring at the speed of 100-200 r/min at the temperature of 30-50 ℃ for 30-45 min to obtain a mixed system;
and step three, adding dicumyl peroxide and carbon black into the mixed system obtained in the step two, mixing for 15-20 min, and thinly passing for 3-6 times to obtain the silicon dioxide reinforced butadiene rubber.
2. The method for preparing silica-reinforced butadiene rubber according to claim 1, wherein the silica-reinforced butadiene rubber is prepared by the method
100-150 parts of butadiene rubber;
10-20 parts of natural rubber;
10-20 parts of nano silicon dioxide particles;
1-10 parts of methoxy silane coupling agent;
20-50 parts of triethyl citrate;
10-20 parts of sodium carboxymethylcellulose;
10-15 parts of zinc oxide;
2-10 parts of magnesium hydroxide;
1-5 parts of carbon black;
10-30 parts of polyethylene;
1 to 10 parts of dicumyl peroxide.
3. The method for preparing silica-reinforced butadiene rubber according to claim 1, wherein the silica-reinforced butadiene rubber is prepared by the method
120-140 parts of butadiene rubber;
12-18 parts of natural rubber;
12-18 parts of nano silicon dioxide particles;
2-8 parts of methoxy silane coupling agent;
30-40 parts of triethyl citrate;
12-18 parts of sodium carboxymethylcellulose;
12-14 parts of zinc oxide;
4-8 parts of magnesium hydroxide;
2-4 parts of carbon black;
15-25 parts of polyethylene;
2 to 8 portions of dicumyl peroxide.
4. The method for preparing silica-reinforced butadiene rubber according to claim 1, wherein the silica-reinforced butadiene rubber is prepared by the method
130 parts of butadiene rubber;
16 parts of natural rubber;
16 parts of nano silicon dioxide particles;
6 parts of a methoxy silane coupling agent;
35 parts of triethyl citrate;
16 parts of sodium carboxymethyl cellulose;
13 parts of zinc oxide;
6 parts of magnesium hydroxide;
3 parts of carbon black;
20 parts of polyethylene;
6 parts of dicumyl peroxide.
5. The method for preparing silica-reinforced butadiene rubber according to claim 2, wherein the particle size of the nano silica particles is 50nm to 100 nm.
6. The method for preparing silica-reinforced butadiene rubber according to claim 2, wherein the polyethylene has a molecular weight of 800 to 1000.
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| CN201911360310.3A CN113024904A (en) | 2019-12-25 | 2019-12-25 | Preparation method of silicon dioxide reinforced butadiene rubber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216065A (en) * | 2022-06-21 | 2022-10-21 | 王旭 | Composite rubber ring containing silver powder and magnetic powder, preparation method thereof and application of composite rubber ring as new auxiliary chemotherapy positioning mark |
-
2019
- 2019-12-25 CN CN201911360310.3A patent/CN113024904A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216065A (en) * | 2022-06-21 | 2022-10-21 | 王旭 | Composite rubber ring containing silver powder and magnetic powder, preparation method thereof and application of composite rubber ring as new auxiliary chemotherapy positioning mark |
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Application publication date: 20210625 |
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