CN111875820A - Silicon-carbon black master batch and preparation method thereof - Google Patents

Silicon-carbon black master batch and preparation method thereof Download PDF

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Publication number
CN111875820A
CN111875820A CN202010817843.6A CN202010817843A CN111875820A CN 111875820 A CN111875820 A CN 111875820A CN 202010817843 A CN202010817843 A CN 202010817843A CN 111875820 A CN111875820 A CN 111875820A
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carbon black
parts
silicon carbon
master batch
styrene
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喻徐杰
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Hangzhou Fuyang Chengke Communication Material Co ltd
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Hangzhou Fuyang Chengke Communication Material Co ltd
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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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • 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
    • C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • 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
    • C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08J2409/06—Copolymers with styrene
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/08—Copolymers of ethene
    • 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
    • C08J2425/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2425/02—Homopolymers or copolymers of hydrocarbons
    • C08J2425/04—Homopolymers or copolymers of styrene
    • C08J2425/06—Polystyrene
    • 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
    • C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C08K7/26—Silicon- containing compounds

Abstract

The invention discloses a silicon carbon black master batch, relates to the technical field of plastic coloring, and mainly aims to solve the problems that silicon carbon black and other raw materials are not sufficiently and uniformly mixed during production; the feed comprises the following raw materials in parts by weight: 20-40 parts of carrier resin, 50-90 parts of porous silicon carbon black, 10-20 parts of pyridine styrene-butadiene copolymer, 4-8 parts of heat stabilizer, 10-16 parts of dispersant, 2-6 parts of ultraviolet absorbent and 1-5 parts of processing aid.

Description

Silicon-carbon black master batch and preparation method thereof
Technical Field
The invention relates to the technical field of plastic coloring, in particular to a silicon-carbon black master batch and a preparation method thereof.
Background
In the use process of the material product, the material product is required to be beautiful and prolong the service life, and the material product is often subjected to coloring treatment. The most widely used method for coloring plastic products is the color masterbatch method, which comprises preparing color masterbatch from pigment and carrier resin, mixing the color masterbatch with matrix resin, and molding to obtain the colored plastic product. The color masterbatch coloring method has the advantages of convenient use, accurate color matching, uniform pigment dispersion and the like, so the color masterbatch coloring method is the most important and most common method in the coloring of plastic products. So that plastic articles are generally dyed black without aesthetic appeal. The dyeing black master batch is mainly prepared by adopting a method of mixing carrier resin and carbon black.
The existing silicon carbon black master batch has the problems of insufficient and uneven mixing of silicon carbon black and other raw materials during production, so that the whole quality and performance of the master batch can be reduced.
Disclosure of Invention
The invention aims to provide a silicon carbon black master batch and a preparation method thereof, and aims to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the silicon carbon black master batch comprises the following raw materials in parts by weight:
20-40 parts of carrier resin, 50-90 parts of porous silicon carbon black, 10-20 parts of pyridine styrene-butadiene copolymer, 4-8 parts of heat stabilizer, 10-16 parts of dispersant, 2-6 parts of ultraviolet absorbent and 1-5 parts of processing aid.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the carrier resin is one or a mixture of PS, SBS, EVA and PE.
In one alternative: the preparation method of the porous silicon carbon black comprises the following steps: adding the purified rice hulls into a reaction device, maintaining the temperature at 700-800 ℃, and pyrolyzing for 1-3h to obtain pyrolysis gas and pyrolysis carbon; keeping the pyrolysis gas and the pyrolysis carbon at 600-700 ℃ for 0.5-1.5h, then cooling to 200-300 ℃, and separating to obtain tar-free pyrolysis gas and tar-free pyrolysis carbon; crushing, grinding and sieving the tar-free pyrolytic carbon by airflow to obtain silicon carbon black powder; stirring and mixing the silicon carbon black powder and a strong base solution to obtain a suspension, heating to 100-150 ℃, and preserving heat for 2-6 h; washing a solid obtained by solid-liquid separation of the suspension to be neutral; and (3) soaking the solid in strong inorganic acid, and preserving the heat at the temperature of between 60 and 100 ℃ for 1 to 2 hours to obtain the required porous silicon carbon black.
In one alternative: the pyridine styrene-butadiene copolymer is selected from: a terpolymer of butadiene, styrene, vinylpyridine or a binary copolymer of butadiene, vinylpyridine.
In one alternative: the content of vinylpyridine in the pyridine styrene-butadiene copolymer is 10-20% by weight of the terpolymer or the bipolymer.
In one alternative: the heat stabilizer is any one of barium ricinoleate, calcium ricinoleate and zinc laurate.
In one alternative: the dispersing agent is any one of polyamide wax, polypropylene wax, polyethylene wax, EVA wax and calcium stearate.
In one alternative: the processing aid is any one of polyethylene glycol, citrate plasticizers and silicone.
A preparation method of silicon carbon black master batch comprises the following steps:
1) weighing the raw materials in parts by weight;
2) mixing carrier resin, porous silicon carbon black, butadiene-styrene-pyridine copolymer, a heat stabilizer, a dispersing agent, an ultraviolet absorbent and a processing aid in a high-speed mixer, and banburying by using an internal mixer after mixing;
3) and (4) carrying out bracing and granulating on the internally mixed uncooled semi-finished product by adopting a screw extruder, and cooling to obtain the required silicon carbon black master batch.
Compared with the prior art, the invention has the following beneficial effects:
the addition of the butadiene-styrene-pyridine copolymer improves the processing performance of the mixed material, improves the bearing performance of the masterbatch plastic product, and has wide market prospect.
Detailed Description
The present invention will be described in detail with reference to the following examples, which are provided for illustrative purposes only and are not intended to limit the scope of the present invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
The silicon carbon black master batch comprises the following raw materials in parts by weight:
20 parts of carrier resin, 50 parts of porous silicon carbon black, 10 parts of pyridine styrene-butadiene copolymer, 4 parts of heat stabilizer, 10 parts of dispersant, 2 parts of ultraviolet absorbent and 1 part of processing aid.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
wherein, the carrier resin is mixed by PS, SBS, EVA, PE and the like.
The preparation method of the porous silicon carbon black comprises the following steps: adding the purified rice hulls into a reaction device, maintaining the temperature at 700 ℃, and pyrolyzing for 1h to obtain pyrolysis gas and pyrolysis carbon; keeping the temperature of the pyrolysis gas and the pyrolysis carbon at 600 ℃ for 0.5h, then cooling to 200 ℃, and separating to obtain tar-free pyrolysis gas and tar-free pyrolysis carbon; crushing, grinding and sieving the tar-free pyrolytic carbon by airflow to obtain silicon carbon black powder; stirring and mixing silicon carbon black powder and strong base solution to obtain suspension, heating to 100 ℃, and keeping the temperature for 2 hours; washing a solid obtained by solid-liquid separation of the suspension to be neutral; and (3) soaking the solid in strong inorganic acid, and keeping the temperature at 60 ℃ for 1h to obtain the required porous silicon carbon black.
The pyridine styrene-butadiene copolymer is selected from: terpolymers of butadiene, styrene, vinylpyridine.
The content of vinylpyridine in the pyridine styrene-butadiene copolymer is 10 percent based on the weight of the terpolymer.
The heat stabilizer is barium ricinoleate.
The dispersant is a polyamide wax.
The processing aid is polyethylene glycol.
A preparation method of silicon carbon black master batch comprises the following steps:
1) weighing the raw materials in parts by weight;
2) mixing carrier resin, porous silicon carbon black, butadiene-styrene-pyridine copolymer, a heat stabilizer, a dispersing agent, an ultraviolet absorbent and a processing aid in a high-speed mixer, and banburying by using an internal mixer after mixing;
3) and (4) carrying out bracing and granulating on the internally mixed uncooled semi-finished product by adopting a screw extruder, and cooling to obtain the required silicon carbon black master batch.
Example 2
The silicon carbon black master batch comprises the following raw materials in parts by weight:
25 parts of carrier resin, 60 parts of porous silicon carbon black, 12 parts of pyridine styrene-butadiene copolymer, 5 parts of heat stabilizer, 11 parts of dispersant, 3 parts of ultraviolet absorbent and 2 parts of processing aid.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
wherein the carrier resin is formed by mixing PS, SBS and EVA according to the ratio of 1:2: 1.
The preparation method of the porous silicon carbon black comprises the following steps: adding the purified rice hulls into a reaction device, maintaining the temperature at 725 ℃, and pyrolyzing for 1.5h to obtain pyrolysis gas and pyrolysis carbon; keeping the temperature of the pyrolysis gas and the pyrolytic carbon at 625 ℃ for 0.7h, then cooling to 225 ℃, and separating to obtain tar-free pyrolysis gas and tar-free pyrolytic carbon; crushing, grinding and sieving the tar-free pyrolytic carbon by airflow to obtain silicon carbon black powder; stirring and mixing silicon carbon black powder and strong base solution to obtain suspension, heating to 110 ℃, and preserving heat for 3 hours; washing a solid obtained by solid-liquid separation of the suspension to be neutral; and (3) soaking the solid in strong inorganic acid, and keeping the temperature at 70 ℃ for 1.2h to obtain the required porous silicon carbon black.
The pyridine styrene-butadiene copolymer is selected from: butadiene, vinylpyridine.
The content of vinylpyridine in the pyridine styrene-butadiene copolymer is 12 percent based on the weight of the binary copolymer.
The heat stabilizer is calcium ricinoleate.
The dispersant is polypropylene wax.
The processing aid is a citrate plasticizer.
A preparation method of silicon carbon black master batch comprises the following steps:
1) weighing the raw materials in parts by weight;
2) mixing carrier resin, porous silicon carbon black, butadiene-styrene-pyridine copolymer, a heat stabilizer, a dispersing agent, an ultraviolet absorbent and a processing aid in a high-speed mixer, and banburying by using an internal mixer after mixing;
3) and (4) carrying out bracing and granulating on the internally mixed uncooled semi-finished product by adopting a screw extruder, and cooling to obtain the required silicon carbon black master batch.
Example 3
The silicon carbon black master batch comprises the following raw materials in parts by weight:
30 parts of carrier resin, 70 parts of porous silicon carbon black, 15 parts of pyridine styrene-butadiene copolymer, 6 parts of heat stabilizer, 13 parts of dispersant, 4 parts of ultraviolet absorbent and 3 parts of processing aid.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
wherein the carrier resin is formed by mixing PS, SBS, EVA and PE according to the ratio of 2:1:1: 2.
The preparation method of the porous silicon carbon black comprises the following steps: adding the purified rice hulls into a reaction device, maintaining the temperature at 750 ℃, and pyrolyzing for 2 hours to obtain pyrolysis gas and pyrolysis carbon; keeping the temperature of the pyrolysis gas and the pyrolytic carbon at 650 ℃ for 1h, then cooling to 250 ℃, and separating to obtain tar-free pyrolysis gas and tar-free pyrolytic carbon; crushing, grinding and sieving the tar-free pyrolytic carbon by airflow to obtain silicon carbon black powder; stirring and mixing silicon carbon black powder and strong base solution to obtain suspension, heating to 125 ℃, and keeping the temperature for 4 hours; washing a solid obtained by solid-liquid separation of the suspension to be neutral; and (3) soaking the solid in strong inorganic acid, and keeping the temperature at 80 ℃ for 1.5h to obtain the required porous silicon carbon black.
The pyridine styrene-butadiene copolymer is selected from: terpolymers of butadiene, styrene, vinylpyridine.
The content of vinylpyridine in the pyridine styrene-butadiene copolymer is 15 percent based on the weight of the terpolymer.
The heat stabilizer is zinc laurate.
The dispersing agent is polyethylene wax.
The processing aid is silicone.
A preparation method of silicon carbon black master batch comprises the following steps:
1) weighing the raw materials in parts by weight;
2) mixing carrier resin, porous silicon carbon black, butadiene-styrene-pyridine copolymer, a heat stabilizer, a dispersing agent, an ultraviolet absorbent and a processing aid in a high-speed mixer, and banburying by using an internal mixer after mixing;
3) and (4) carrying out bracing and granulating on the internally mixed uncooled semi-finished product by adopting a screw extruder, and cooling to obtain the required silicon carbon black master batch.
Example 4
The silicon carbon black master batch comprises the following raw materials in parts by weight:
35 parts of carrier resin, 80 parts of porous silicon carbon black, 18 parts of pyridine styrene-butadiene copolymer, 7 parts of heat stabilizer, 14 parts of dispersant, 5 parts of ultraviolet absorbent and 4 parts of processing aid.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
wherein the carrier resin is PS and SBS mixed according to the ratio of 1: 2.
The preparation method of the porous silicon carbon black comprises the following steps: adding the purified rice hulls into a reaction device, and performing pyrolysis for 2.5 hours at 775 ℃ to obtain pyrolysis gas and pyrolysis carbon; keeping the temperature of the pyrolysis gas and the pyrolytic carbon at 675 ℃ for 1.3h, then cooling to 275 ℃, and separating to obtain tar-free pyrolysis gas and tar-free pyrolytic carbon; crushing, grinding and sieving the tar-free pyrolytic carbon by airflow to obtain silicon carbon black powder; stirring and mixing silicon carbon black powder and strong base solution to obtain suspension, heating to 140 ℃, and keeping the temperature for 5 hours; washing a solid obtained by solid-liquid separation of the suspension to be neutral; and (3) soaking the solid in strong inorganic acid, and keeping the temperature at 90 ℃ for 1.8h to obtain the required porous silicon carbon black.
The pyridine styrene-butadiene copolymer is selected from: terpolymers of butadiene, styrene, vinylpyridine.
The content of vinylpyridine in the pyridine styrene-butadiene copolymer is 18 percent based on the weight of the terpolymer.
The heat stabilizer is barium ricinoleate.
The dispersing agent is EVA wax.
The processing aid is polyethylene glycol.
A preparation method of silicon carbon black master batch comprises the following steps:
1) weighing the raw materials in parts by weight;
2) mixing carrier resin, porous silicon carbon black, butadiene-styrene-pyridine copolymer, a heat stabilizer, a dispersing agent, an ultraviolet absorbent and a processing aid in a high-speed mixer, and banburying by using an internal mixer after mixing;
3) and (4) carrying out bracing and granulating on the internally mixed uncooled semi-finished product by adopting a screw extruder, and cooling to obtain the required silicon carbon black master batch.
Example 5
The silicon carbon black master batch comprises the following raw materials in parts by weight:
40 parts of carrier resin, 90 parts of porous silicon carbon black, 20 parts of pyridine styrene-butadiene copolymer, 8 parts of heat stabilizer, 16 parts of dispersant, 6 parts of ultraviolet absorbent and 5 parts of processing aid.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
wherein the carrier resin is PS.
The preparation method of the porous silicon carbon black comprises the following steps: adding the purified rice hulls into a reaction device, maintaining the temperature at 800 ℃, and pyrolyzing for 3 hours to obtain pyrolysis gas and pyrolysis carbon; keeping the temperature of the pyrolysis gas and the pyrolytic carbon at 700 ℃ for 1.5h, then cooling to 300 ℃, and separating to obtain tar-free pyrolysis gas and tar-free pyrolytic carbon; crushing, grinding and sieving the tar-free pyrolytic carbon by airflow to obtain silicon carbon black powder; stirring and mixing silicon carbon black powder and strong base solution to obtain suspension, heating to 150 ℃, and keeping the temperature for 6 hours; washing a solid obtained by solid-liquid separation of the suspension to be neutral; and (3) soaking the solid in strong inorganic acid, and keeping the temperature at 100 ℃ for 2h to obtain the required porous silicon carbon black.
The pyridine styrene-butadiene copolymer is selected from: butadiene, vinylpyridine.
The content of vinylpyridine in the pyridine styrene-butadiene copolymer is 20 percent based on the weight of the binary copolymer.
The heat stabilizer is zinc laurate.
The dispersing agent is calcium stearate.
The processing aid is silicone.
A preparation method of silicon carbon black master batch comprises the following steps:
1) weighing the raw materials in parts by weight;
2) mixing carrier resin, porous silicon carbon black, butadiene-styrene-pyridine copolymer, a heat stabilizer, a dispersing agent, an ultraviolet absorbent and a processing aid in a high-speed mixer, and banburying by using an internal mixer after mixing;
3) and (4) carrying out bracing and granulating on the internally mixed uncooled semi-finished product by adopting a screw extruder, and cooling to obtain the required silicon carbon black master batch.
The addition of the butadiene-styrene-pyridine copolymer improves the processing performance of the mixed material, improves the bearing performance of the masterbatch plastic product, and has wide market prospect.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (8)

1. The silicon carbon black master batch is characterized by comprising the following raw materials in parts by weight:
20-40 parts of carrier resin, 50-90 parts of porous silicon carbon black, 10-20 parts of pyridine styrene-butadiene copolymer, 4-8 parts of heat stabilizer, 10-16 parts of dispersant, 2-6 parts of ultraviolet absorbent and 1-5 parts of processing aid.
2. The silicon carbon black masterbatch of claim 1, wherein the carrier resin is a mixture of one or more of PS, SBS, EVA, PE.
3. The silicon carbon black master batch according to claim 1, wherein the porous silicon carbon black is prepared by the following method: adding the purified rice hulls into a reaction device, maintaining the temperature at 700-800 ℃, and pyrolyzing for 1-3h to obtain pyrolysis gas and pyrolysis carbon; keeping the pyrolysis gas and the pyrolysis carbon at 600-700 ℃ for 0.5-1.5h, then cooling to 200-300 ℃, and separating to obtain tar-free pyrolysis gas and tar-free pyrolysis carbon; crushing, grinding and sieving the tar-free pyrolytic carbon by airflow to obtain silicon carbon black powder; stirring and mixing the silicon carbon black powder and a strong base solution to obtain a suspension, heating to 100-150 ℃, and preserving heat for 2-6 h; washing a solid obtained by solid-liquid separation of the suspension to be neutral; and (3) soaking the solid in strong inorganic acid, and preserving the heat at the temperature of between 60 and 100 ℃ for 1 to 2 hours to obtain the required porous silicon carbon black.
4. The silicon carbon black master batch according to claim 1, wherein the pyridine styrene-butadiene copolymer is selected from the group consisting of: a terpolymer of butadiene, styrene, vinylpyridine or a binary copolymer of butadiene, vinylpyridine.
5. The silicon carbon black master batch according to claim 4, wherein the content of vinylpyridine in the pyridine styrene-butadiene copolymer is 10-20% by weight of the terpolymer or the bipolymer.
6. The silicon carbon black masterbatch according to claim 1, wherein the heat stabilizer is any one of barium ricinoleate, calcium ricinoleate and zinc laurate.
7. The silicon carbon black masterbatch according to claim 1, wherein the dispersant is any one of polyamide wax, polypropylene wax, polyethylene wax, EVA wax, and calcium stearate.
8. A process for the preparation of the silicon carbon black masterbatch of any one of claims 1 to 7: the method comprises the following steps:
1) weighing the raw materials in parts by weight;
2) mixing carrier resin, porous silicon carbon black, butadiene-styrene-pyridine copolymer, a heat stabilizer, a dispersing agent, an ultraviolet absorbent and a processing aid in a high-speed mixer, and banburying by using an internal mixer after mixing;
3) and (4) carrying out bracing and granulating on the internally mixed uncooled semi-finished product by adopting a screw extruder, and cooling to obtain the required silicon carbon black master batch.
CN202010817843.6A 2020-08-14 2020-08-14 Silicon-carbon black master batch and preparation method thereof Pending CN111875820A (en)

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Publication number Priority date Publication date Assignee Title
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CN107658434A (en) * 2017-06-21 2018-02-02 吉林大学 Preparation method, graphite composite material, its preparation method and the application of porous silicon carbon black
CN109111729A (en) * 2018-08-20 2019-01-01 杭州本松新材料技术股份有限公司 The compound organic mould inhibitor of thermolysis-resistant load formula, composite material and electric control element shell
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106220996A (en) * 2016-07-28 2016-12-14 吉林大学 The preparation method of silicon white carbon black/composite polyolefine material
CN107658434A (en) * 2017-06-21 2018-02-02 吉林大学 Preparation method, graphite composite material, its preparation method and the application of porous silicon carbon black
CN109111729A (en) * 2018-08-20 2019-01-01 杭州本松新材料技术股份有限公司 The compound organic mould inhibitor of thermolysis-resistant load formula, composite material and electric control element shell
CN109503923A (en) * 2018-11-22 2019-03-22 吉林省塑料研究院 A kind of silicon carbon black Masterbatch and preparation method thereof

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