CN111849053A - Odorless carbon black master batch and preparation method thereof - Google Patents
Odorless carbon black master batch and preparation method thereof Download PDFInfo
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- CN111849053A CN111849053A CN202010760568.9A CN202010760568A CN111849053A CN 111849053 A CN111849053 A CN 111849053A CN 202010760568 A CN202010760568 A CN 202010760568A CN 111849053 A CN111849053 A CN 111849053A
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- carbon black
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- odorless
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- 239000006229 carbon black Substances 0.000 title claims abstract description 61
- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 38
- 230000009965 odorless effect Effects 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 18
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 18
- 239000011159 matrix material Substances 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 229920003023 plastic Polymers 0.000 claims abstract description 15
- 239000002270 dispersing agent Substances 0.000 claims abstract description 14
- 238000005469 granulation Methods 0.000 claims abstract description 12
- 230000003179 granulation Effects 0.000 claims abstract description 12
- 238000005303 weighing Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 239000008187 granular material Substances 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 9
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical class [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 229920001038 ethylene copolymer Polymers 0.000 claims description 2
- 239000003415 peat Substances 0.000 claims description 2
- 229940070527 tourmaline Drugs 0.000 claims description 2
- 229910052613 tourmaline Inorganic materials 0.000 claims description 2
- 239000011032 tourmaline Substances 0.000 claims description 2
- 239000004711 α-olefin Substances 0.000 claims description 2
- 239000000654 additive Substances 0.000 abstract description 3
- 235000019241 carbon black Nutrition 0.000 description 35
- 239000011521 glass Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000012855 volatile organic compound Substances 0.000 description 4
- 229910052918 calcium silicate Inorganic materials 0.000 description 3
- 239000000378 calcium silicate Substances 0.000 description 3
- 238000010309 melting process Methods 0.000 description 2
- 239000000112 cooling gas Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 239000004597 plastic additive Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- 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
- 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
- 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
- C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
-
- 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
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- 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
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
- C08K3/34—Silicon-containing compounds
-
- 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
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
-
- 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
-
- 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
- C08K9/00—Use of pretreated ingredients
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides an odorless carbon black master batch and a preparation method thereof, wherein the odorless carbon black master batch comprises the following components in parts by mass: 30-45 parts of carbon black, 2-12 parts of inorganic ultrafine powder, 0.5-1.0 part of dispersant, 0.1-0.5 part of antioxidant and 40-68 parts of matrix resin. Weighing the materials according to the proportion, putting the materials into an internal mixer, carrying out internal mixing until the materials are mixed into uniform plastic lumps, putting the uniform plastic lumps into granulation equipment for granulation, and keeping the vacuum degree between 0.02 and 0.06 MPa; and (4) cutting the granules to obtain master batch products. The carbon black master batch prepared by the invention has no peculiar smell at normal temperature, has good dispersibility and colorability in plastic products, meets the requirements of additives for food-grade plastic products, and can be widely applied to products which are frequently contacted with human bodies, such as food packages, small household appliances and the like.
Description
Technical Field
The invention relates to the technical field of plastic additives, and particularly relates to odorless carbon black master batch and a preparation method thereof.
Background
The existing plastic black masterbatch can generate great smell in downstream use, and the reason is that the black masterbatch contains a large amount of low molecular substances which are volatilized into the environment in the heating process. Most of the odor causes discomfort to human body, and a small amount of the odor is toxic and harmful to human body, which seriously affects the production environment of downstream customers, and the odor remaining in the product also has bad influence on the health and use experience of the end user. The product specially aiming at eliminating the smell of the carbon black master is not available in the market, although a plurality of products are called odorless black masters in the market, the odor which is uncomfortable to the user can still be generated in the heating baking or heating melting process, and the problem that the smell is generated in the heating or melting process of the carbon black master cannot be solved fundamentally.
Disclosure of Invention
The carbon black master batch prepared by the invention has no peculiar smell at normal temperature, has good dispersibility and colorability in plastic products, meets the requirements of additives for food-grade plastic products, and can be widely applied to products which are frequently contacted with human bodies, such as food packages, small household appliances and the like.
The technical scheme of the invention is as follows:
the odorless carbon black master batch is characterized by comprising the following components in parts by mass: 20-55 parts of carbon black, 1-7 parts of inorganic ultrafine powder, 0.3-1.2 parts of dispersant, 0.1-0.8 part of antioxidant and 48-82 parts of matrix resin.
Further, the odorless carbon black master batch comprises the following components in parts by mass: 30-45 parts of carbon black, 2-12 parts of inorganic ultrafine powder, 0.5-1.0 part of dispersant, 0.1-0.5 part of antioxidant and 40-68 parts of matrix resin.
Further, the odorless carbon black master batch comprises the following components in parts by mass: carbon black 38, inorganic ultrafine powder 8, dispersant 0.7, antioxidant 0.3 and matrix resin 56.
Further, the particle size of the carbon black is 16 nm-30 nm.
Further, the carbon black includes at least one of type N625 carbon black, type N330 carbon black, type N326 carbon black, type M200 carbon black, type M100 carbon black, and type M90 carbon black. In the invention, a plurality of carbon blacks are mutually matched, so that the odorless effect of the whole system is not influenced.
Further, the particle size of the inorganic ultrafine powder is 10-180 um.
Further, the inorganic ultrafine powder is one or more of active calcium silicate, zeolite, hollow microspheres, activated carbon, tourmaline, light calcium carbonate and peat powder.
Further, the inorganic ultrafine powder is a combination of activated carbon and activated calcium silicate, and the matching mass ratio of the activated carbon to the activated calcium silicate is 6: 4.
furthermore, the inorganic ultrafine powder is selected from inorganic powder with porosity and large specific surface area,
the specific surface area of the inorganic ultrafine powder is more than 12M2/g。
Further, the dispersing agent is any one of synthetic polyethylene (volatile matter is less than 0.5%) with molecular weight of 6000-8000), polymethylsiloxane with viscosity more than 20000 and D525 dispersing agent.
Further, the antioxidant is one of 1024 type antioxidant, 1076 type antioxidant, 1010 type antioxidant, 618 type antioxidant and 324 type antioxidant. The purity of the antioxidant is more than 99.5 percent.
The molecular weight of the matrix resin is 15000-20000, and the matrix resin is any one of polyethylene, ethylene-propylene copolymer, alpha-olefin ethylene copolymer and ethylene-propylene-diene monomer.
Further, the molecular weight distribution of the matrix resin is less than 1.6.
The carbon black master batch prepared by the invention has no peculiar smell at normal temperature, and according to the test: 1. 80-100 degrees, according to 100 g: 1L of the raw materials in a dry cleaning processBaking in a sealed glass jar for 4 hours, taking air in the glass jar to test the content of VOCs (volatile organic compounds) and obtaining the content of VOCs lower than 100mg/M3(ii) a 2. 80-100 degrees, according to 100 g: a charge rate of 1L, baked in dry-clean, sealed glass jars for 4 hours, below grade 2 as tested by the popular odor standard PV 3900. The carbon black master batch product can be widely applied to products such as food packages, small household appliances and the like which are frequently contacted with human bodies, and can meet the requirements of food-grade master batches.
A preparation method of odorless carbon black master batches comprises the following specific steps:
weighing the materials according to the proportion, putting the materials into an internal mixer, carrying out internal mixing until the materials are mixed into uniform plastic lumps, putting the uniform plastic lumps into granulation equipment for granulation, and keeping the vacuum degree between 0.02 and 0.06 MPa; and (4) cutting the granules to obtain master batch products.
Further, the granulating mode is water ring granulating or air cooling granulating.
In the invention, when the granulating mode is water ring granulating, water is pure water; when the granulating mode is air cooling granulating, the cooling gas must be purified by a filtering device.
Further, the granulation equipment is characterized in that the length-diameter ratio is more than 44: the twin-screw extruder or plasticizing and granulating device of 1, and other granulating devices in the prior art can also be adopted.
The carbon black master batch prepared by the invention has no peculiar smell at normal temperature, has good dispersibility and colorability in plastic products, meets the requirements of additives for food-grade plastic products, and can be widely applied to products which are frequently contacted with human bodies, such as food packages, small household appliances and the like.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
An odorless carbon black master batch comprises the following components in parts by mass: 38 parts of N625 carbon black, 8 parts of zeolite powder with the particle size of 80 microns, 0.7 part of polyethylene wax PW104 dispersing agent, 0.3 part of 1024 antioxidant and 56 parts of LDPE7042 matrix resin.
Weighing the materials according to the proportion, putting the materials into an internal mixer, carrying out internal mixing until the materials are evenly agglomerated, putting the materials into a double-screw granulator for granulation, and keeping the vacuum degree within 0.04 MPa; and (4) cutting the granules to obtain master batch products.
Example 2
An odorless carbon black master batch comprises the following components in parts by mass: 40 parts of N330 carbon black, 6 parts of active calcium silicate with the particle size of 65 microns, 0.5 part of D525 dispersant, 0.2 part of 1076 antioxidant and 52 parts of LDPE2426 matrix resin.
Weighing the materials according to the proportion, putting the materials into a high-speed stirrer, uniformly mixing, feeding the materials into a double-screw granulator for granulation, and keeping the vacuum degree within 0.06 MPa; and (4) carrying out water bracing and granulating to obtain a master batch product.
Example 3
An odorless carbon black master batch comprises the following components in parts by mass: selecting 30 parts of M200 carbon black, 8 parts of activated carbon with the particle size of 105 micrometers, 0.6 part of D525 dispersing agent, 0.2 part of 1010 antioxidant and 60 parts of ECP30R matrix resin.
Weighing the materials according to the proportion, putting the materials into a high-speed stirrer, uniformly mixing, feeding the materials into a double-screw granulator for granulation, and keeping the vacuum degree within 0.04 MPa; and (4) carrying out water bracing, cooling and granulating to obtain the master batch product.
Example 4
An odorless carbon black master batch comprises the following components in parts by mass: 20 parts of N326 carbon black, 20 parts of N625 carbon black, 3 parts of activated carbon with the particle size of 105 micrometers, 2 parts of calcium silicate with the particle size of 65 micrometers, 0.6 part of commercially available polyethylene wax 200 type, 0.2 part of 1010 antioxidant and 50 parts of LDPE6101 matrix resin.
Weighing the materials according to the proportion, putting the materials into an internal mixer, kneading the materials into uniform plastic material masses, and then forcibly feeding the plastic material masses into a double-screw granulator for granulation, wherein the vacuum degree is kept within 0.04 MPa; and grinding the surface, air cooling, and carrying out hot granulation to obtain the master batch product.
Experimental testing
The carbon black masterbatch prepared in examples 1-4 was subjected to the following tests:
1. 80-100 degrees, according to 100 g: 1L of the material, baking the material in a clean and dry sealed glass tank for 4 hours, and taking air in the glass tank to test the content of VOCs.
2. 80-100 degrees, according to 100 g: 1L of the charge, baked in dry-clean, sealed glass jars for 4 hours, tested according to the popular odor standard PV 3900.
The carbon black master batch product has no peculiar smell at normal temperature, can be widely applied to products which are often contacted with human bodies, such as food packages, small household appliances and the like, and can meet the requirements of food-grade master batches.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art in the field.
Claims (10)
1. The odorless carbon black master batch is characterized by comprising the following components in parts by mass: 20-55 parts of carbon black, 1-7 parts of inorganic ultrafine powder, 0.3-1.2 parts of dispersant, 0.1-0.8 part of antioxidant and 48-82 parts of matrix resin.
2. The odorless carbon black master batch according to claim 1, which is characterized by comprising the following components in parts by mass: 30-45 parts of carbon black, 2-12 parts of inorganic ultrafine powder, 0.5-1.0 part of dispersant, 0.1-0.5 part of antioxidant and 40-68 parts of matrix resin.
3. The odorless carbon black master batch according to claim 2, which is characterized by comprising the following components in parts by mass: carbon black 38, inorganic ultrafine powder 8, dispersant 0.7, antioxidant 0.3 and matrix resin 56.
4. The odorless carbon black master batch according to any one of claims 1 to 3, wherein the carbon black has a particle size of 16nm to 30 nm.
5. The odorless carbon black masterbatch according to any one of claims 1-3, wherein the carbon black comprises at least one of type N625 carbon black, type N330 carbon black, type N326 carbon black, type M200 carbon black, type M100 carbon black, type M90 carbon black.
6. The odorless carbon black master batch according to any one of claims 1 to 3, wherein the particle size of the inorganic ultrafine powder is 10 to 180 um.
7. The odorless carbon black master batch according to any one of claims 1 to 3, wherein the inorganic ultrafine powder is one or more of activated calcium silicate, zeolite, cenospheres, activated carbon, tourmaline, light calcium carbonate and peat powder.
8. The odorless carbon black master batch according to any one of claims 1 to 3, wherein the inorganic ultrafine powder is a combination of activated carbon and activated calcium silicate, and the mass ratio of the activated carbon to the activated calcium silicate is 6: 4.
9. the odorless carbon black master batch according to any one of claims 1 to 3, wherein the dispersing agent is any one of synthetic polyethylene with molecular weight of 6000-8000, polymethylsiloxane with viscosity of more than 20000, and D525 dispersing agent;
the molecular weight of the matrix resin is 15000-20000, and the matrix resin is any one of polyethylene, ethylene-propylene copolymer, alpha-olefin ethylene copolymer and ethylene-propylene-diene monomer.
10. The preparation method of the odorless carbon black master batch according to any one of claims 1 to 9, which is characterized by comprising the following specific steps of:
weighing the materials according to the proportion, putting the materials into an internal mixer, carrying out internal mixing until the materials are mixed into uniform plastic lumps, putting the uniform plastic lumps into granulation equipment for granulation, and keeping the vacuum degree between 0.02 and 0.06 MPa; and (4) cutting the granules to obtain master batch products.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010760568.9A CN111849053A (en) | 2020-07-31 | 2020-07-31 | Odorless carbon black master batch and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010760568.9A CN111849053A (en) | 2020-07-31 | 2020-07-31 | Odorless carbon black master batch and preparation method thereof |
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2020
- 2020-07-31 CN CN202010760568.9A patent/CN111849053A/en active Pending
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| CN103012929A (en) * | 2012-12-18 | 2013-04-03 | 苏州国嘉高分子科技有限公司 | Carbon black master batch, preparation method and application thereof |
| CN104610654A (en) * | 2015-01-23 | 2015-05-13 | 广东波斯科技股份有限公司 | Ultrafine talcum powder and polypropylene filling color masterbatch and preparation method thereof |
| CN107619520A (en) * | 2017-09-04 | 2018-01-23 | 珠海市南蓝塑胶科技有限公司 | For polyethylene or polyacrylic blue phase black agglomerate and preparation method thereof |
| CN108047546A (en) * | 2017-10-30 | 2018-05-18 | 江苏冠恒新材料科技有限公司 | A kind of smell processing master batch and preparation method thereof |
| CN108047545A (en) * | 2017-10-30 | 2018-05-18 | 江苏冠恒新材料科技有限公司 | A kind of low Smell master batch and preparation method thereof |
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