CN113717478A - Master batch for preparing graphene anti-electromagnetic radiation fibers and preparation method thereof - Google Patents
Master batch for preparing graphene anti-electromagnetic radiation fibers and preparation method thereof Download PDFInfo
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- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 80
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 73
- 239000000835 fiber Substances 0.000 title claims abstract description 50
- 230000005855 radiation Effects 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- -1 polypropylene Polymers 0.000 claims abstract description 47
- 239000007822 coupling agent Substances 0.000 claims abstract description 39
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- 238000002156 mixing Methods 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 229910052580 B4C Inorganic materials 0.000 claims abstract description 22
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- 239000004743 Polypropylene Substances 0.000 claims abstract description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003365 glass fiber Substances 0.000 claims abstract description 22
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 22
- 239000004417 polycarbonate Substances 0.000 claims abstract description 22
- 229920001155 polypropylene Polymers 0.000 claims abstract description 22
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 22
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 22
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- 238000000034 method Methods 0.000 claims abstract description 17
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- 238000001035 drying Methods 0.000 claims description 21
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- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- 239000011112 polyethylene naphthalate Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000012170 montan wax Substances 0.000 claims description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 4
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 4
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- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 2
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 2
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 2
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 description 6
- 230000005670 electromagnetic radiation Effects 0.000 description 5
- 239000002657 fibrous material Substances 0.000 description 5
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 description 4
- FGHOOJSIEHYJFQ-UHFFFAOYSA-N (2,4-ditert-butylphenyl) dihydrogen phosphite Chemical compound CC(C)(C)C1=CC=C(OP(O)O)C(C(C)(C)C)=C1 FGHOOJSIEHYJFQ-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 230000005865 ionizing radiation Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000003471 anti-radiation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- ZJOLCKGSXLIVAA-UHFFFAOYSA-N ethene;octadecanamide Chemical compound C=C.CCCCCCCCCCCCCCCCCC(N)=O.CCCCCCCCCCCCCCCCCC(N)=O ZJOLCKGSXLIVAA-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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- 238000009987 spinning Methods 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
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- 238000004806 packaging method and process Methods 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
Classifications
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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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
-
- 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
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- 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
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- 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
- C08J2427/00—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 a halogen; Derivatives of such polymers
- C08J2427/02—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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/04—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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2427/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- 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
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
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- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a master batch for preparing graphene anti-electromagnetic radiation fibers and a preparation method thereof, wherein the method comprises the following steps: step 1, selecting raw materials; step 2, uniformly mixing polyvinyl chloride, polypropylene, graphene, polycarbonate, a compatilizer, a coupling agent and emulsified silicone oil, and extruding and granulating to obtain basic master batches; step 3, uniformly mixing boron carbide and micro silica gel powder, and dispersing at a high speed to obtain a mixture; and 4, uniformly mixing the basic master batch obtained in the step 2 with the mixture obtained in the step 3, a dispersing agent, chitosan, glass fiber and a plasticizer, and extruding and granulating to obtain the radiation-proof shielding master batch. The invention also provides the master batch for preparing the graphene anti-electromagnetic radiation fiber, which is prepared by the method. The master batch for preparing the graphene anti-electromagnetic radiation fiber is used for preparing the high-efficiency graphene anti-electromagnetic radiation fiber, and the obtained fiber has the characteristics of light weight, excellent mechanical property, high shielding and protecting efficiency and the like.
Description
Technical Field
The invention relates to a graphene radiation-proof shielding master batch in the technical field of novel functional polymer materials and a preparation method thereof, and particularly relates to a master batch for preparing graphene electromagnetic radiation-proof fibers and a preparation method thereof.
Background
In recent years, on one hand, the popularization of electronic products brings great convenience to life, on the other hand, serious electromagnetic radiation and pollution are brought, and researches show that the human body can be greatly injured by contacting electromagnetic radiation for a long time. Therefore, the development of radiation-proof fibers has been regarded as an important research topic of high-functional fibers, and various radiation-proof fibers have come out in succession due to the general importance of various countries in the world. However, the various performances of the existing radiation-proof fiber have great space for improvement.
Graphene is a single-layer carbon atom material stripped from graphite, and a single-layer two-dimensional honeycomb lattice structure is formed by tightly packing carbon atoms, and is known to be the material with the thinnest thickness, the hardest texture and the best conductivity. Graphene has excellent mechanical, optical and electrical properties, is structurally very stable, and researchers have not found that graphene is lacking of carbon atoms, and that the linkage between carbon atoms is very flexible, harder than diamond, and 100 times stronger than the world's best steel, and if graphene is used to form a packaging bag, it will be able to withstand about two tons of heavy goods, be almost completely transparent, but very dense, water-tight, and gas-tight, and not pass even helium with the smallest atomic size.
Graphene is a two-dimensional material with excellent performance, the graphene is applied to radiation-proof fibers, the radiation-proof performance can be cooperatively exerted, and the fibers can be applied to various electromagnetic environments and environments with certain requirements on antistatic performance and electric conductivity.
Disclosure of Invention
The invention aims to provide a graphene radiation-proof shielding master batch and a preparation method thereof, which are mainly used for preparing high-efficiency graphene electromagnetic radiation-resistant fibers aiming at the field of shielding ionizing radiation protection, and the obtained fibers have the characteristics of high shielding protection efficiency, excellent mechanical property and the like.
In order to achieve the above object, the present invention provides a method for preparing a masterbatch for preparing graphene anti-electromagnetic radiation fibers, wherein the method comprises: step 1, selecting raw materials according to a proportion; the raw materials comprise: graphene, polyvinyl chloride, polypropylene, polycarbonate, a compatilizer, a coupling agent, emulsified silicone oil, a dispersing agent, chitosan, boron carbide, superfine silica gel powder, glass fiber and a plasticizer; step 2, uniformly mixing polyvinyl chloride, polypropylene, graphene, polycarbonate, a compatilizer, a coupling agent and emulsified silicone oil, and extruding and granulating to obtain basic master batches; step 3, uniformly mixing boron carbide and micro silica gel powder, and stirring and dispersing to obtain a mixture; and 4, drying the basic master batch obtained in the step 2 and the mixture obtained in the step 3, uniformly mixing the basic master batch with a dispersing agent, chitosan, glass fiber and a plasticizer, and extruding and granulating to obtain the radiation-proof shielding master batch.
The preparation method of the master batch for preparing the graphene anti-electromagnetic radiation fiber comprises the following raw materials in parts by weight: 1-3 parts of graphene, 20-30 parts of polyvinyl chloride, 5-10 parts of polypropylene, 2-5 parts of polycarbonate, 2-5 parts of a compatilizer, 1-4 parts of a coupling agent, 0.8-1.5 parts of emulsified silicone oil, 3-7 parts of a dispersing agent, 2-5 parts of chitosan, 2-5 parts of boron carbide, 6-10 parts of micro silica gel, 1.2-2.5 parts of glass fiber and 0.5-1.2 parts of a plasticizer.
The preparation method of the master batch for preparing the graphene anti-electromagnetic radiation fiber comprises the step of preparing the compatilizer, wherein the compatilizer comprises tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester antioxidant and/or tris [2, 4-di-tert-butylphenyl ] phosphite antioxidant.
The preparation method of the master batch for preparing the graphene anti-electromagnetic radiation fiber comprises the step of preparing the master batch, wherein the coupling agent comprises any one of a titanate coupling agent, a silane coupling agent and a phosphate coupling agent.
The preparation method of the master batch for preparing the graphene anti-electromagnetic radiation fiber comprises the step of preparing the master batch, wherein the dispersing agent comprises any one of paraffin, montan wax, polyethylene wax, stearate, ethylene bis-stearamide and oleamide.
The preparation method of the master batch for preparing the graphene anti-electromagnetic radiation fiber comprises the step of preparing the plasticizer, wherein the plasticizer comprises one or more of polytrimethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate and polyamide.
In the step 4, the drying temperature of the basic master batch and the mixture is 85-150 ℃, and the drying time is 2-24 hours.
The invention also provides the master batch for preparing the graphene anti-electromagnetic radiation fiber, which is prepared by the method.
The master batch for preparing the graphene anti-electromagnetic radiation fiber and the preparation method thereof provided by the invention have the following advantages:
the graphene radiation-proof shielding master batch is used for preparing efficient graphene electromagnetic radiation-resistant fibers, can obtain a fiber material with an ionizing radiation shielding function, and can generate a good radiation-proof effect. The functional fiber material also has the characteristics of light weight, excellent mechanical property, high shielding and protecting efficiency and the like. Experiments prove that the material has the electromagnetic absorption rate of more than or equal to 95 percent, the lowest electromagnetic reflectivity of 8 percent, the breaking strength of more than or equal to 2.8CN/dtex and the lowest elongation at break of 11 percent.
By adopting the radiation-proof shielding master batch, functional fiber materials with different specifications can be prepared by controlling the spinning process, so that the high-efficiency graphene electromagnetic radiation resistant fiber is obtained, the process is simple and easy to operate, the cost is low, the economic benefit is high, the radiation-proof shielding master batch is suitable for large-scale industrial production, the production capacity of enterprises can be enhanced, and the economic benefit is improved.
Detailed Description
The following further describes embodiments of the present invention.
The invention provides a preparation method of master batch for preparing graphene anti-electromagnetic radiation fibers, which comprises the following steps:
step 1, selecting raw materials according to a proportion; the raw materials comprise: graphene, polyvinyl chloride, polypropylene, polycarbonate, a compatilizer, a coupling agent, emulsified silicone oil, a dispersing agent, chitosan, boron carbide, superfine silica gel powder, glass fiber and a plasticizer; step 2, uniformly mixing polyvinyl chloride, polypropylene, graphene, polycarbonate, a compatilizer, a coupling agent and emulsified silicone oil, and extruding and granulating to obtain basic master batches; step 3, uniformly mixing boron carbide and micro silica gel powder, and stirring and dispersing at a high speed to obtain a mixture; and 4, drying the basic master batch obtained in the step 2 and the mixture obtained in the step 3, uniformly mixing the basic master batch with a dispersing agent, chitosan, glass fiber and a plasticizer, and extruding and granulating to obtain the radiation-proof shielding master batch.
Preferably, the raw materials comprise the following components in parts by weight: 1-3 parts of graphene, 20-30 parts of polyvinyl chloride, 5-10 parts of polypropylene, 2-5 parts of polycarbonate, 2-5 parts of a compatilizer, 1-4 parts of a coupling agent, 0.8-1.5 parts of emulsified silicone oil, 3-7 parts of a dispersing agent, 2-5 parts of chitosan, 2-5 parts of boron carbide, 6-10 parts of micro silica gel, 1.2-2.5 parts of glass fiber and 0.5-1.2 parts of a plasticizer.
The compatilizer comprises tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester antioxidant and/or tri [2, 4-di-tert-butylphenyl ] phosphite antioxidant.
The coupling agent comprises any one of titanate coupling agent, silane coupling agent and phosphate coupling agent.
The dispersant comprises any one of paraffin, montan wax, polyethylene wax, stearate, ethylene bis-stearic acid amide and oleic acid amide.
The plasticizer comprises one or more of polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT), polyethylene naphthalate (PEN) and Polyamide (PA).
In the step 4, the drying temperature of the basic master batch and the mixture is 85-150 ℃, and the drying time is 2-24 h.
The invention also provides the master batch for preparing the graphene anti-electromagnetic radiation fiber, which is prepared by the method.
The master batch for preparing the graphene anti-electromagnetic radiation fiber and the preparation method thereof provided by the invention are further described below with reference to the embodiments.
Example 1
A preparation method of master batch for preparing graphene anti-electromagnetic radiation fiber comprises the following steps:
step 1, selecting raw materials according to a proportion.
The raw materials comprise: graphene, polyvinyl chloride, polypropylene, polycarbonate, a compatilizer, a coupling agent, emulsified silicone oil, a dispersing agent, chitosan, boron carbide, superfine silica gel powder, glass fiber and a plasticizer.
Preferably, the raw materials comprise the following components in parts by weight: 1 part of graphene, 20 parts of polyvinyl chloride, 5 parts of polypropylene, 2 parts of polycarbonate, 2 parts of a compatilizer, 1 part of a coupling agent, 0.8 part of emulsified silicone oil, 3 parts of a dispersing agent, 2 parts of chitosan, 2 parts of boron carbide, 6 parts of micro-powder silica gel, 1.2 parts of glass fiber and 0.5 part of a plasticizer.
The compatibilizer comprises pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] antioxidant.
The coupling agent comprises a titanate coupling agent.
The dispersant comprises paraffin wax.
The plasticizer comprises polytrimethylene terephthalate.
And 2, uniformly mixing the polyvinyl chloride, the polypropylene, the graphene, the polycarbonate, the compatilizer, the coupling agent and the emulsified silicone oil, and extruding and granulating to obtain the basic master batch.
And 3, uniformly mixing the boron carbide and the micro silica gel powder, and stirring and dispersing at a high speed to obtain a mixture.
And 4, drying the basic master batch obtained in the step 2 and the mixture obtained in the step 3, uniformly mixing the basic master batch with a dispersing agent, chitosan, glass fiber and a plasticizer, and extruding and granulating to obtain the radiation-proof shielding master batch. The drying temperature of the basic master batch and the mixture is 85-150 ℃, and the drying time is 2-24 h.
The embodiment also provides the master batch for preparing the graphene anti-electromagnetic radiation fiber, which is prepared by the method.
Example 2
A preparation method of master batch for preparing graphene anti-electromagnetic radiation fiber comprises the following steps:
step 1, selecting raw materials according to a proportion.
The raw materials comprise: graphene, polyvinyl chloride, polypropylene, polycarbonate, a compatilizer, a coupling agent, emulsified silicone oil, a dispersing agent, chitosan, boron carbide, superfine silica gel powder, glass fiber and a plasticizer.
Preferably, the raw materials comprise the following components in parts by weight: 2 parts of graphene, 24 parts of polyvinyl chloride, 7 parts of polypropylene, 3 parts of polycarbonate, 3 parts of a compatilizer, 2 parts of a coupling agent, 1 part of emulsified silicone oil, 5 parts of a dispersing agent, 3 parts of chitosan, 3 parts of boron carbide, 8 parts of superfine silica gel powder, 1.5 parts of glass fiber and 0.5-1.2 parts of a plasticizer.
The compatilizer comprises tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester antioxidant or tri [2, 4-di-tert-butylphenyl ] phosphite antioxidant.
The coupling agent comprises a silane coupling agent.
The dispersant comprises montan wax.
The plasticizer comprises polybutylene terephthalate.
And 2, uniformly mixing the polyvinyl chloride, the polypropylene, the graphene, the polycarbonate, the compatilizer, the coupling agent and the emulsified silicone oil, and extruding and granulating to obtain the basic master batch.
And 3, uniformly mixing the boron carbide and the micro silica gel powder, and stirring and dispersing at a high speed to obtain a mixture.
And 4, drying the basic master batch obtained in the step 2 and the mixture obtained in the step 3, uniformly mixing the basic master batch with a dispersing agent, chitosan, glass fiber and a plasticizer, and extruding and granulating to obtain the radiation-proof shielding master batch. The drying temperature of the basic master batch and the mixture is 85-150 ℃, and the drying time is 2-24 h.
The embodiment also provides the master batch for preparing the graphene anti-electromagnetic radiation fiber, which is prepared by the method.
Example 3
A preparation method of master batch for preparing graphene anti-electromagnetic radiation fiber comprises the following steps:
step 1, selecting raw materials according to a proportion.
The raw materials comprise: graphene, polyvinyl chloride, polypropylene, polycarbonate, a compatilizer, a coupling agent, emulsified silicone oil, a dispersing agent, chitosan, boron carbide, superfine silica gel powder, glass fiber and a plasticizer.
Preferably, the raw materials comprise the following components in parts by weight: 2.5 parts of graphene, 27 parts of polyvinyl chloride, 8 parts of polypropylene, 4 parts of polycarbonate, 4 parts of a compatilizer, 3 parts of a coupling agent, 1.2 parts of emulsified silicone oil, 6 parts of a dispersing agent, 4 parts of chitosan, 4 parts of boron carbide, 9 parts of micro silica gel, 2 parts of glass fiber and 0.5-1.2 parts of a plasticizer.
The compatilizer comprises tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester antioxidant and tri [2, 4-di-tert-butylphenyl ] phosphite antioxidant.
The coupling agent comprises a phosphate ester coupling agent.
The dispersing agent comprises polyethylene wax.
The plasticizer comprises polyethylene naphthalate or polyamide.
And 2, uniformly mixing the polyvinyl chloride, the polypropylene, the graphene, the polycarbonate, the compatilizer, the coupling agent and the emulsified silicone oil, and extruding and granulating to obtain the basic master batch.
And 3, uniformly mixing the boron carbide and the micro silica gel powder, and stirring and dispersing at a high speed to obtain a mixture.
And 4, drying the basic master batch obtained in the step 2 and the mixture obtained in the step 3, uniformly mixing the basic master batch with a dispersing agent, chitosan, glass fiber and a plasticizer, and extruding and granulating to obtain the radiation-proof shielding master batch. The drying temperature of the basic master batch and the mixture is 85-150 ℃, and the drying time is 2-24 h.
The embodiment also provides the master batch for preparing the graphene anti-electromagnetic radiation fiber, which is prepared by the method.
Example 4
A preparation method of master batch for preparing graphene anti-electromagnetic radiation fiber comprises the following steps:
step 1, selecting raw materials according to a proportion.
The raw materials comprise: graphene, polyvinyl chloride, polypropylene, polycarbonate, a compatilizer, a coupling agent, emulsified silicone oil, a dispersing agent, chitosan, boron carbide, superfine silica gel powder, glass fiber and a plasticizer.
Preferably, the raw materials comprise the following components in parts by weight: 3 parts of graphene, 30 parts of polyvinyl chloride, 10 parts of polypropylene, 5 parts of polycarbonate, 5 parts of a compatilizer, 4 parts of a coupling agent, 1.5 parts of emulsified silicone oil, 7 parts of a dispersing agent, 5 parts of chitosan, 5 parts of boron carbide, 10 parts of micro-powder silica gel, 2.5 parts of glass fiber and 1.2 parts of a plasticizer.
The compatibilizer comprises tris [2, 4-di-tert-butylphenyl ] phosphite antioxidant.
The coupling agent comprises any one of titanate coupling agent, silane coupling agent and phosphate coupling agent.
The dispersant comprises any one of stearate, ethylene bis-stearic acid amide and oleic acid amide.
The plasticizer includes any of polytrimethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, and polyamide.
And 2, uniformly mixing the polyvinyl chloride, the polypropylene, the graphene, the polycarbonate, the compatilizer, the coupling agent and the emulsified silicone oil, and extruding and granulating to obtain the basic master batch.
And 3, uniformly mixing the boron carbide and the micro silica gel powder, and stirring and dispersing at a high speed to obtain a mixture.
And 4, drying the basic master batch obtained in the step 2 and the mixture obtained in the step 3, uniformly mixing the basic master batch with a dispersing agent, chitosan, glass fiber and a plasticizer, and extruding and granulating to obtain the radiation-proof shielding master batch. The drying temperature of the basic master batch and the mixture is 85-150 ℃, and the drying time is 2-24 h.
The embodiment also provides the master batch for preparing the graphene anti-electromagnetic radiation fiber, which is prepared by the method.
The graphene anti-radiation shielding master batch obtained in the embodiment 1-4 is spun to prepare the high-efficiency graphene anti-electromagnetic radiation fiber, and the high-efficiency graphene anti-electromagnetic radiation fiber is subjected to parameter testing respectively. The results are shown in table 1 below.
TABLE 1 test results.
Therefore, the material has the electromagnetic absorption rate of more than or equal to 95 percent, the lowest electromagnetic reflectivity of 8 percent, the breaking strength of more than or equal to 2.8CN/dtex and the lowest elongation at break of 11 percent.
The graphene anti-radiation shielding master batch obtained by the master batch for preparing the graphene anti-electromagnetic radiation fiber and the preparation method thereof can be used as a functional master batch for spinning. The functional master batch and different materials are blended and melt-spun, or the functional master batch is directly melt-spun, so that a novel fiber material with a protection function on ionizing radiation can be prepared, the selection range of a fiber carrier can be enlarged by controlling the processing process, the functional effect of the flexible shielding fiber material is more prominent, and the obtained fiber has the characteristics of light weight, excellent mechanical property, high shielding and protection efficiency and the like.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (8)
1. A preparation method of master batch for preparing graphene anti-electromagnetic radiation fibers is characterized by comprising the following steps:
step 1, selecting raw materials according to a proportion; the raw materials comprise: graphene, polyvinyl chloride, polypropylene, polycarbonate, a compatilizer, a coupling agent, emulsified silicone oil, a dispersing agent, chitosan, boron carbide, superfine silica gel powder, glass fiber and a plasticizer;
step 2, uniformly mixing polyvinyl chloride, polypropylene, graphene, polycarbonate, a compatilizer, a coupling agent and emulsified silicone oil, and extruding and granulating to obtain basic master batches;
step 3, uniformly mixing boron carbide and micro silica gel powder, and stirring and dispersing to obtain a mixture;
and 4, drying the basic master batch obtained in the step 2 and the mixture obtained in the step 3, uniformly mixing the basic master batch with a dispersing agent, chitosan, glass fiber and a plasticizer, and extruding and granulating to obtain the radiation-proof shielding master batch.
2. The preparation method of the master batch for preparing the graphene anti-electromagnetic radiation fiber according to claim 1, wherein the raw materials comprise, by weight: 1-3 parts of graphene, 20-30 parts of polyvinyl chloride, 5-10 parts of polypropylene, 2-5 parts of polycarbonate, 2-5 parts of a compatilizer, 1-4 parts of a coupling agent, 0.8-1.5 parts of emulsified silicone oil, 3-7 parts of a dispersing agent, 2-5 parts of chitosan, 2-5 parts of boron carbide, 6-10 parts of micro silica gel, 1.2-2.5 parts of glass fiber and 0.5-1.2 parts of a plasticizer.
3. The method for preparing the masterbatch for preparing graphene anti-electromagnetic radiation fiber according to claim 2, wherein the compatibilizer comprises pentaerythritol tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] antioxidant and/or tris [2, 4-di-tert-butylphenyl ] phosphite antioxidant.
4. The method for preparing the master batch for preparing the graphene anti-electromagnetic radiation fiber according to claim 2, wherein the coupling agent comprises any one of a titanate coupling agent, a silane coupling agent and a phosphate coupling agent.
5. The method for preparing the masterbatch for preparing graphene anti-electromagnetic radiation fiber according to claim 2, wherein the dispersant comprises any one of paraffin, montan wax, polyethylene wax, stearate, ethylene bis-stearamide and oleamide.
6. The preparation method of the master batch for preparing the graphene anti-electromagnetic radiation fiber according to claim 2, wherein the plasticizer comprises any one or more of polytrimethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate and polyamide.
7. The method for preparing the master batch for preparing the graphene anti-electromagnetic radiation fiber according to claim 1, wherein in the step 4, the drying temperature of the base master batch and the mixture is 85-150 ℃, and the drying time is 2-24 h.
8. A master batch for preparing graphene anti-electromagnetic radiation fibers, prepared by the method of any one of claims 1-7.
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| CN107298812A (en) * | 2017-06-13 | 2017-10-27 | 浙江金彩新材料有限公司 | A kind of radiation-resistant glass master batch and its preparation method and application |
| CN113122948A (en) * | 2021-04-29 | 2021-07-16 | 南通强生石墨烯科技有限公司 | Flexible radiation-proof fiber based on graphene composite material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107298812A (en) * | 2017-06-13 | 2017-10-27 | 浙江金彩新材料有限公司 | A kind of radiation-resistant glass master batch and its preparation method and application |
| CN113122948A (en) * | 2021-04-29 | 2021-07-16 | 南通强生石墨烯科技有限公司 | Flexible radiation-proof fiber based on graphene composite material and preparation method thereof |
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Application publication date: 20211130 |