CN115160706A - Rice hull silicon carbon black/polyvinyl chloride composite material - Google Patents
Rice hull silicon carbon black/polyvinyl chloride composite material Download PDFInfo
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- CN115160706A CN115160706A CN202210130833.4A CN202210130833A CN115160706A CN 115160706 A CN115160706 A CN 115160706A CN 202210130833 A CN202210130833 A CN 202210130833A CN 115160706 A CN115160706 A CN 115160706A
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- carbon black
- polyvinyl chloride
- rice hull
- composite material
- rice
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 63
- 235000009566 rice Nutrition 0.000 title claims abstract description 63
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 43
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 43
- 239000006229 carbon black Substances 0.000 title claims abstract description 35
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 62
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000010903 husk Substances 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- 238000011049 filling Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 239000010703 silicon Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 12
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 8
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 8
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 8
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 8
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 239000012760 heat stabilizer Substances 0.000 claims description 5
- -1 liquid paraffin Substances 0.000 claims description 5
- 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 4
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 2
- 229940057995 liquid paraffin Drugs 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 239000000344 soap Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- 239000001993 wax Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000002028 Biomass Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012767 functional filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- 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
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
-
- 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
- C08K3/36—Silica
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention provides a rice hull silicon carbon black/polyvinyl chloride composite material, which is prepared by the steps of carrying out directional crushing on rice hull carbon by crushing equipment; the carbon content of the rice husk carbon is 45-52%, and the silicon content is 43-50%; grading the crushed rice husk carbon to obtain rice husk carbon powder with the particle size D90 index of 18-25 microns; adding the rice hull carbon powder into a treating agent, and uniformly mixing at a high speed to obtain a filler; the temperature is between 70 and 90 ℃, and the rotating speed is between 760r/min and 1000r/min; mixing a filling material and PVC, and then extruding and dicing to obtain the rice hull silicon carbon black/polyvinyl chloride material, wherein the mass ratio of the filling material to the PVC is (0.1-0.36): 1, the processing temperature is 160-190 ℃, the rotating speed is 15-35rpm, and the processing agent is added to modify and surface-treat the carbon black so as to ensure that the carbon black has related properties utilized in the field of carbon black.
Description
Technical Field
The invention belongs to the technical field of biomass and polymer composite materials, and particularly relates to a rice hull based silicon carbon black/polyvinyl chloride composite material.
Background
Carbon black is produced by incomplete combustion or cracking of hydrocarbon materials. Carbon black has a wide range of applications, and can be used for reinforcing rubber products, as well as other materials, such as coatings, paints, inks, toners, electronic products, plastics, fibers, batteries, and the like, to impart desired coloring, ultraviolet aging resistance, antistatic properties, or electrical conductivity to the products. As a big agricultural country, china has a great number of rice husks used in industries such as thermal power generation and the like every year, the generated rice husk carbon is discarded or used in the heat preservation industry, and the rice husk carbon is light in weight, is easy to generate dust in an exposed environment, and has great influence on the environment.
The composite material of polyvinyl chloride has excellent comprehensive performance and is widely applied to various fields of national production, automobile manufacturing, transportation and daily life. With the improvement of the requirements on the performance of the polyvinyl chloride material and the further widening of the application range, higher requirements are provided for the functionality and the cost performance of a polyvinyl chloride composite system. The improvement of the performance of the polyvinyl chloride material needs to be realized by adding the filler and the polymer under the combined action, such as the fineness, the shape and the surface structure of the filler, the selection of the polymer and the like, so that the mechanical properties (such as density, tensile yield stress, longitudinal recovery rate, impact strength and the like) and the processing performance of the material are influenced, and as the filling amount is increased, the flow rate of a polymer melt is reduced, the processing is difficult, and meanwhile, the mechanical properties are reduced, which are problems which cannot be ignored.
CN103849018A discloses a preparation method of a rice hull ash composite material. The rice hull ash composite material is prepared from the following components, by weight, 100 parts of a high polymer resin, 0-1 part of an antioxidant, 0-3 parts of a light stabilizer, 0-5 parts of a lubricant, 5-50 parts of rice hull ash or 10-200 parts of rice hull ash master batch, 0-100 parts of a reinforcing fiber and 0-2 parts of a compatibilizer, wherein the composite material prepared by adding cheap renewable functional filler rice hull ash, performing surface coupling treatment and melting and mixing a polymer in a double-screw extruder shows uniform black luster. In the current research, a plurality of beneficial attempts are made to apply biomass materials in polymers, and important reference values are provided for research and development of related aspects. However, there are many works to be done in the industrial application of biomass materials and polymer composite materials, and the influence of the composition, shape, surface defect, organic modification and the like of the materials on the performance of the polymer composite materials is still needed to be deeply researched and developed.
Disclosure of Invention
The invention aims to provide a rice hull based silicon carbon black/polyvinyl chloride composite material, which utilizes the natural carbon-silicon content proportion in a rice hull based carbon material, and modifies and surface-treats the rice hull based carbon material by adding a treating agent, so that the rice hull based carbon material has related properties utilized in the field of carbon black, and the method improves the utilization rate of the rice hull carbon in the chemical industry and reduces the influence of the discharge of the rice hull carbon on the environment while obtaining the carbon black with better reinforcing property.
The purpose of the invention is realized by the following technical scheme:
a rice hull silicon carbon black/polyvinyl chloride composite material is prepared by the following steps:
step one, directionally crushing the rice husk carbon by crushing equipment; the carbon content of the rice husk carbon is between 45 and 52 percent, and the silicon content is between 43 and 50 percent;
step two, classifying the crushed rice husk carbon to obtain rice husk carbon powder with the particle size D90 index of 18-25 microns;
step three, adding the rice hull carbon powder into a treating agent, and uniformly mixing at a high speed to obtain a filler; the temperature is between 70 and 90 ℃, and the rotating speed is between 760r/min and 1000r/min;
step four, mixing the filling material and PVC, and then extruding and dicing to obtain the rice hull silicon carbon black/polyvinyl chloride material, wherein the mass ratio of the filling material to the PVC is (0.1-0.36): 1, the processing temperature is 160-190 ℃, and the rotating speed is 15-35rpm.
As a more excellent technical scheme of the invention: the treating agent in the third step is one or more of maleic anhydride grafting compatilizer, ethylene-vinyl acetate copolymer (EVA), ethylene-acrylic acid copolymer (EAA) and styrene-butadiene-styrene block copolymer (SBS).
As a more excellent technical scheme of the invention: the mass ratio of the treating agent to the rice husk carbon powder in the third step is (0.09-0.27): 1.
as a more excellent technical scheme of the invention: the treating agent in the third step is a mixture of ethylene-vinyl acetate copolymer (EVA), ethylene-acrylic acid copolymer (EAA) and styrene-butadiene-styrene block copolymer (SBS), and the mass ratio is 1:3:3.
as a more excellent technical scheme of the invention: one or a mixture of two or more of a heat stabilizer, a lubricant, an antioxidant and a settling agent is also added in the third step.
As a more excellent technical scheme of the invention: the lubricant is one or a mixture of two or more of stearic acid, butyl stearate, liquid paraffin, solid paraffin and polyethylene wax.
As a more excellent technical scheme of the invention: the antioxidant is antioxidant 1010, antioxidant 168 or a mixture of antioxidant 1010 and antioxidant 168.
As a more excellent technical scheme of the invention: the heat stabilizer comprises any one of a calcium-zinc stabilizer, a metal soap stabilizer and a lead salt stabilizer.
As a more excellent technical scheme of the invention: one or more of settling agent AQ-633E, RHEOLATE299 and VESMODY U505.
The beneficial effects are as follows:
in order to improve the filling performance and the reinforcing effect of the rice hull silicon carbon black in polyvinyl chloride, the invention utilizes the natural nano structure and the uniform distribution characteristic of silicon dioxide in rice hulls to prepare a rice hull carbon powder material by a directional crushing method, and the rice hull carbon powder material is modified by a treating agent to endow the powder with the function when being applied to the polyvinyl chloride.
According to the polyvinyl chloride modified silicon carbon black disclosed by the invention, the rice husk carbon is adopted, no additional silicon substance is required to be added, and the natural carbon and silicon dioxide in the rice husk carbon are utilized, so that the effect and effect of the silicon dioxide in the carbon black are achieved.
Compared with the traditional rice hull carbon black modification treatment method, the polyvinyl chloride modified silicon carbon black disclosed by the invention is beneficial to realizing actual production and simplifies the preparation process.
The polyvinyl chloride modified silicon carbon black disclosed by the invention can improve the cold resistance and impact resistance of polyvinyl chloride, reduce the longitudinal recovery rate of the polyvinyl chloride and improve the thermal stability and setting capability.
The silicon carbon black is added into PVC, the real density is between 1.25 and 1.28g/cm < 3 >, most of the traditional fillers are calcium carbonate (with the density of 2.4 to 2.8g/cm < 3 >) and talcum powder (with the density of 2.7 to 2.8g/cm < 3 >), etc., the silicon carbon black is added into the polyvinyl chloride material for application, the same performance index requires that the mass ratio of the added silicon carbon black is reduced, thereby the specific gravity of the product can be reduced,
Detailed Description
The present invention will be described in detail with reference to specific examples.
The following preparation examples are given in order to illustrate the present invention in more detail, but the scope of the present invention is not limited thereto. The starting materials used in the examples are commercially available ones unless otherwise specified.
1. Preparing a filling material:
the invention provides a production method of a rice hull silicon carbon black/polyvinyl chloride composite material, which comprises the following steps of crushing rice hull carbon by a crusher, screening powder with qualified particle size in a grading manner, and adding a treating agent for treatment, wherein the production method specifically comprises the following steps: the rice husk carbon impurities are directionally crushed by crushing equipment. The rice husk carbon can be self-made or purchased and does not contain impurities, wherein the fixed carbon content is between 45 and 52 percent, and the silicon content is between 43 and 50 percent. The granularity level of the crushed rice husk carbon is controlled by a grading device to obtain rice husk carbon powder with the grain diameter of 15-25 mu m. Conveying the rice hull carbon powder with qualified particle size to a high-stirring pot, setting the pot temperature between 70 and 90 ℃, adding a treating agent into the pot, wherein the adding mass ratio is (0.09-0.27): 1, high-speed mixing at 760-1000 r/min. Uniformly mixing the rice hull carbon powder and the treating agent for 15-30 min and then discharging. And packaging the mixed powder.
Examples 1-14 are shown in table 1 below.
TABLE 1
2. The concrete application of the mixture of the filler obtained in the above examples 1 to 14 and PVC in the manufacture of pipes made of polyvinyl chloride materials is shown in Table 2, wherein the mass ratio of the filler to the PVC is (0.1-0.36): 1, the processing temperature is 160-190 ℃, and the rotating speed is 15-35rpm.
TABLE 2
Other embodiments incorporate other additives, such as one, a mixture of two or more of a heat stabilizer, a lubricant, an antioxidant, a settling agent, with some variation in properties, but without the unexpected technical effect.
3. The results of the performance tests of the obtained pipes in table 2 are shown in table 3.
Drop hammer impact test: the PVC test piece is fixed on an instrument clamp in a cantilever mode, is placed in a low-temperature mechanism for accurately controlling the temperature and is kept at a constant temperature, when the temperature reaches a certain east temperature, a specified punch and a specified impact test piece are used for bending the test piece into 90 degrees along the arc of the lower jaw of the furniture with a specified radius, and the percentage of the damage of the test piece is observed and recorded.
Cold resistance drop test (GB/T8801-2007): an experimental sample piece: prepare to add 0.1, 0.3, 0.36 three groups of PVC pipes with different contents, each 5 pieces, with a nominal diameter of 110mm, using the formulation of the example. The experimental steps are as follows: and (3) putting the three groups of sample components into low-temperature equipment for cooling, keeping the temperature constant for 240min when the temperature reaches minus 50 ℃, taking out the three groups of sample components, respectively putting the three groups of sample components at positions 1 m away from the ground within 10 seconds, enabling the three groups of sample components to freely fall, observing the damage condition, and paying attention to that 5 samples of the same component should be selected from different positions to land.
TABLE 3
Claims (9)
1. The rice hull-based silicon carbon black/polyvinyl chloride composite material is characterized by comprising the following preparation methods:
step one, directionally crushing the rice husk carbon by crushing equipment; the carbon content of the rice husk carbon is between 45 and 52 percent, and the silicon content is between 43 and 50 percent;
step two, classifying the crushed rice husk carbon to obtain rice husk carbon powder with the particle size D90 index of 18-25 microns;
step three, adding the rice hull carbon powder into a treating agent, and uniformly mixing at a high speed to obtain a filler; the temperature is between 70 and 90 ℃, and the rotating speed is between 760r/min and 1000r/min;
step four, mixing the filling material and PVC, and then extruding and dicing to obtain the rice hull silicon carbon black/polyvinyl chloride material, wherein the mass ratio of the filling material to the PVC is (0.1-0.36): 1, the processing temperature is 160-190 ℃, and the rotating speed is 15-35rpm.
2. The rice hull-based silicon carbon black/polyvinyl chloride composite material according to claim 1, wherein: the treating agent in the third step is one or more of maleic anhydride grafting compatilizer, ethylene-vinyl acetate copolymer (EVA), ethylene-acrylic acid copolymer (EAA) and styrene-butadiene-styrene block copolymer (SBS).
3. The rice hull-based silicon carbon black/polyvinyl chloride composite material according to claim 1, wherein: the mass ratio of the treating agent to the rice husk carbon powder in the third step is (0.09-0.27): 1.
4. the rice hull-based silicon carbon black/polyvinyl chloride composite material according to claim 1, wherein: the treating agent in the third step is a mixture of ethylene-vinyl acetate copolymer (EVA), ethylene-acrylic acid copolymer (EAA) and styrene-butadiene-styrene block copolymer (SBS), and the mass ratio is 1:3:3.
5. the rice hull-based silicon carbon black/polyvinyl chloride composite material according to claim 1, wherein: one or a mixture of two or more of a heat stabilizer, a lubricant, an antioxidant and a settling agent is also added in the third step.
6. The rice husk silicon carbon black/polyvinyl chloride composite material according to claim 1, wherein: the lubricant is one or a mixture of two or more of stearic acid, butyl stearate, liquid paraffin, solid paraffin and polyethylene wax.
7. The rice hull-based silicon carbon black/polyvinyl chloride composite material according to claim 1, wherein: the antioxidant is an antioxidant 1010, an antioxidant 168 or a mixture of the antioxidant 1010 and the antioxidant 168.
8. The rice husk silicon carbon black/polyvinyl chloride composite material according to claim 1, wherein: the heat stabilizer comprises any one of a calcium-zinc stabilizer, a metal soap stabilizer and a lead salt stabilizer.
9. The rice hull-based silicon carbon black/polyvinyl chloride composite material according to claim 1, wherein: one or more of settling agent AQ-633E, RHEOLATE299 and VESMODyU 505.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210130833.4A CN115160706B (en) | 2022-02-12 | 2022-02-12 | Rice hull-based silicon carbon black/polyvinyl chloride composite material |
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| CN202210130833.4A CN115160706B (en) | 2022-02-12 | 2022-02-12 | Rice hull-based silicon carbon black/polyvinyl chloride composite material |
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| CN115160706B CN115160706B (en) | 2024-03-19 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000191814A (en) * | 1998-12-24 | 2000-07-11 | Sanwa Kako Co Ltd | Charcoal-powder containing polyethylene based foam and its production |
| CN106220996A (en) * | 2016-07-28 | 2016-12-14 | 吉林大学 | The preparation method of silicon white carbon black/composite polyolefine material |
| US20170107334A1 (en) * | 2014-03-14 | 2017-04-20 | University Of Guelph | Renewable replacements for carbon black in composites and methods of making and using thereof |
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2022
- 2022-02-12 CN CN202210130833.4A patent/CN115160706B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000191814A (en) * | 1998-12-24 | 2000-07-11 | Sanwa Kako Co Ltd | Charcoal-powder containing polyethylene based foam and its production |
| US20170107334A1 (en) * | 2014-03-14 | 2017-04-20 | University Of Guelph | Renewable replacements for carbon black in composites and methods of making and using thereof |
| CN106220996A (en) * | 2016-07-28 | 2016-12-14 | 吉林大学 | The preparation method of silicon white carbon black/composite polyolefine material |
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| CN115160706B (en) | 2024-03-19 |
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