CN114437537A - High-temperature-resistant super-toughness nylon material and preparation method thereof - Google Patents
High-temperature-resistant super-toughness nylon material and preparation method thereof Download PDFInfo
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- CN114437537A CN114437537A CN202210298297.9A CN202210298297A CN114437537A CN 114437537 A CN114437537 A CN 114437537A CN 202210298297 A CN202210298297 A CN 202210298297A CN 114437537 A CN114437537 A CN 114437537A
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- 239000000463 material Substances 0.000 title claims abstract description 75
- 239000004677 Nylon Substances 0.000 title claims abstract description 67
- 229920001778 nylon Polymers 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 40
- 239000000843 powder Substances 0.000 claims abstract description 34
- 239000012745 toughening agent Substances 0.000 claims abstract description 33
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 25
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 25
- 239000003365 glass fiber Substances 0.000 claims abstract description 19
- 239000000314 lubricant Substances 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 239000010456 wollastonite Substances 0.000 claims abstract description 18
- 229910052882 wollastonite Inorganic materials 0.000 claims abstract description 18
- 239000010445 mica Substances 0.000 claims abstract description 16
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 16
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229920000570 polyether Polymers 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
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 35
- 239000003063 flame retardant Substances 0.000 claims description 35
- 238000002156 mixing Methods 0.000 claims description 26
- 238000001035 drying Methods 0.000 claims description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- 239000012760 heat stabilizer Substances 0.000 claims description 16
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 238000005469 granulation Methods 0.000 claims description 10
- 230000003179 granulation Effects 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 6
- 229920002292 Nylon 6 Polymers 0.000 claims description 4
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical group [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 239000007822 coupling agent Substances 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 235000019359 magnesium stearate Nutrition 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 150000002902 organometallic compounds Chemical class 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 150000008301 phosphite esters Chemical class 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 4
- 229920006152 PA1010 Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a high-temperature-resistant super-tough nylon material and a preparation method thereof, wherein the high-temperature-resistant super-tough nylon material comprises the following components in parts by weight: 50-80 parts of nylon resin, 4-8 parts of lubricant, 3-6 parts of antioxidant and 13-15 parts of modified nano mica powder. According to the invention, the high temperature resistance and toughness of the nylon material are effectively improved by modifying the nano mica powder and the nano wollastonite powder material, and the specific antioxidant and lubricant combination is used, so that the prepared nylon material can keep high flame retardance and high strength, the nylon material is reinforced by glass fiber, one of maleic anhydride grafted PE and POE grafted glycidyl methacrylate, HD maleic anhydride grafted PE and POE grafted maleic anhydride is used as a main toughening agent, and an auxiliary toughening agent is further added, so that the nylon material has comprehensive mechanical properties of excellent bending modulus, bending strength and notch impact strength, and the cold resistance of the nylon material is further improved by adopting a silicon polyether modified polymer as a cold resistance agent.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a high-temperature-resistant super-toughness nylon material and a preparation method thereof.
Background
Polyamide is a general name of polymers containing amide groups in a main chain, is commonly called nylon and is called PA for short, the nylon (PA) is various, comprises nylon PA6, nylon PA66, nylon PA1010, nylon PALl, nylon PA12, copolymer nylon PA410, nylon PA610 and the like, is resin which is the most widely applied field and sold in five engineering plastics, has excellent wear resistance, corrosion resistance and better molding processability, has higher and higher requirements on the performance of nylon materials along with the wide application of the nylon materials, has poorer high temperature resistance, toughness, flame retardance and cold resistance of the existing nylon materials, and is difficult to be applied to actual requirements, and therefore, the preparation method of the high temperature resistant super-toughness nylon material is provided.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant super-toughness nylon material and a preparation method thereof, which have the advantages of high-temperature resistance, toughness, flame retardance and good cold resistance, and solve the problems that the existing nylon material has poor high-temperature resistance, toughness, flame retardance and cold resistance and is difficult to adapt to actual requirements.
In order to achieve the purpose, the invention provides the following technical scheme: a high-temperature-resistant super-tough nylon material comprises the following components in parts by weight:
50-80 parts of nylon resin
4-8 parts of lubricant
3-6 parts of antioxidant
13-15 parts of modified nano mica powder
1-3 parts of heat stabilizer
18-20 parts of toughening agent
3-4 parts of auxiliary toughening agent
3-5 parts of cold resistant agent
8-10 parts of nano wollastonite powder
32-40 parts of glass fiber
16-23 parts of flame retardant
2-4 parts of a heat-resistant agent;
the preparation method comprises the following steps:
step one, drying:
50-80 parts of fetching material nylon resin, 4-8 parts of lubricating agent, 3-6 parts of antioxidant, 13-15 parts of modified nano mica powder, 1-3 parts of heat stabilizer, 18-20 parts of toughening agent, 3-4 parts of auxiliary toughening agent, 3-5 parts of cold-resistant agent, 8-10 parts of nano wollastonite powder, 32-40 parts of glass fiber, 16-23 parts of flame retardant and 2-4 parts of heat-resistant agent are placed in a drying oven at the temperature of 100 ℃ and 105 ℃ for drying for 2.5 hours;
step two, mixing:
mixing the raw materials dried in the step one with an ethanol aqueous solution, adjusting the pH value to 4-5 by using hydrochloric acid, and uniformly stirring the mixture in a high-speed mixer for 25min at the rotation speed of 90-110r/min and the temperature of 35-65 ℃;
step three, refining:
and D, adding the mixed material in the step two into a double-screw extruder for melting, mixing and homogenizing, forming a material strip through a filament outlet plate connected with a machine head, drawing and stretching the material strip, cooling the material strip through a water tank, and then sending the material strip into a granulator for granulation to obtain the high-temperature-resistant super-tough flame-retardant cold-resistant nylon material.
Preferably, in the second step, the lubricant is calcium stearate and magnesium stearate in a mass ratio of 1.5: 1.7, and the antioxidant is prepared by mixing the following components in a mass ratio of 4: 2 hindered phenol antioxidant and phosphite ester antioxidant.
Preferably, the toughening agent in the second step is one selected from maleic anhydride grafted PE, POE grafted glycidyl methacrylate, HD maleic anhydride grafted PE and POE grafted maleic anhydride, and the cold-resistant agent is a silicon polyether modified polymer.
Preferably, the particle size of the nano wollastonite powder in the second step is 450-550 meshes, and the heat-resistant agent is selected from one of K-145 heat-resistant agents and K-150 heat-resistant agents.
Preferably, in the second step, the glass fiber is surface-treated by a titanate coupling agent, and the heat stabilizer is one of an inorganic substance and a metal organic compound.
Preferably, the nylon resin in the second step is one of nylon 6 and nylon 66, and the flame retardant is one of a halogen flame retardant, a phosphorus flame retardant and a nitrogen flame retardant.
Preferably, the main machine rotating speed of the double-screw extruder in the third step is 200-300rpm, and the feeding frequency is 20-30 Hz.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the high temperature resistance and toughness of the nylon material are effectively improved by modifying the nano mica powder and the nano wollastonite powder material, and the specific antioxidant and lubricant combination is used, so that the prepared nylon material can keep high flame retardance and high strength, the nylon material is reinforced by glass fiber, one of maleic anhydride grafted PE and POE grafted glycidyl methacrylate, HD maleic anhydride grafted PE and POE grafted maleic anhydride is used as a main toughening agent, and an auxiliary toughening agent is further added, so that the nylon material has comprehensive mechanical properties of excellent bending modulus, bending strength and notch impact strength, and the cold resistance of the nylon material is further improved by adopting a silicon polyether modified polymer as a cold resistance agent.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a high-temperature-resistant super-tough nylon material which comprises the following components in parts by weight:
50-80 parts of nylon resin
4-8 parts of lubricant
3-6 parts of antioxidant
13-15 parts of modified nano mica powder
1-3 parts of heat stabilizer
18-20 parts of toughening agent
3-4 parts of auxiliary toughening agent
3-5 parts of cold resistant agent
8-10 parts of nano wollastonite powder
32-40 parts of glass fiber
16-23 parts of flame retardant
2-4 parts of a heat-resistant agent;
the preparation method comprises the following steps:
step one, drying:
50-80 parts of fetching material nylon resin, 4-8 parts of lubricating agent, 3-6 parts of antioxidant, 13-15 parts of modified nano mica powder, 1-3 parts of heat stabilizer, 18-20 parts of toughening agent, 3-4 parts of auxiliary toughening agent, 3-5 parts of cold-resistant agent, 8-10 parts of nano wollastonite powder, 32-40 parts of glass fiber, 16-23 parts of flame retardant and 2-4 parts of heat-resistant agent are placed in a drying oven at the temperature of 100 ℃ and 105 ℃ for drying for 2.5 hours;
step two, mixing:
mixing the raw materials dried in the step one with an ethanol aqueous solution, adjusting the pH value to 4-5 by using hydrochloric acid, and uniformly stirring the mixture in a high-speed mixer at the rotating speed of 90-110r/min and the temperature of 35-65 ℃ for 25 min;
step three, refining:
and D, adding the mixed material in the step two into a double-screw extruder for melting, mixing and homogenizing, forming a material strip through a filament outlet plate connected with a machine head, drawing and stretching the material strip, cooling the material strip through a water tank, and then sending the material strip into a granulator for granulation to obtain the high-temperature-resistant super-tough flame-retardant cold-resistant nylon material.
The first embodiment is as follows:
firstly, 50-80 parts of fetching material nylon resin, 4-8 parts of lubricating agent, 3-6 parts of antioxidant, 13-15 parts of modified nano mica powder, 1-3 parts of heat stabilizer, 18-20 parts of toughening agent, 3-4 parts of auxiliary toughening agent, 3-5 parts of cold-resistant agent, 8-10 parts of nano wollastonite powder, 32-40 parts of glass fiber, 16-23 parts of flame retardant and 2-4 parts of heat-resistant agent are put into a drying oven at the temperature of 100 ℃ and 105 ℃ for drying for 2.5 hours; then mixing the dried raw materials with ethanol aqueous solution, adjusting pH to 4-5 with hydrochloric acid, placing into a high-speed mixer, stirring at 90-110r/min and 35-65 deg.C for 25 min; and adding the mixed materials in the steps into a double-screw extruder for melting, mixing and homogenizing, forming strips through a filament outlet plate connected with a machine head, drawing and stretching the strips, cooling the strips by a water tank, and then feeding the strips into a granulator for granulation to obtain the high-temperature-resistant super-tough flame-retardant cold-resistant nylon material.
Example two:
in the first embodiment, the following steps are added:
in the second step, the lubricant is calcium stearate and magnesium stearate according to the mass ratio of 1.5: 1.7, and the antioxidant is prepared by mixing 4: 2 hindered phenol antioxidant and phosphite ester antioxidant.
Firstly, 50-80 parts of fetching material nylon resin, 4-8 parts of lubricating agent, 3-6 parts of antioxidant, 13-15 parts of modified nano mica powder, 1-3 parts of heat stabilizer, 18-20 parts of toughening agent, 3-4 parts of auxiliary toughening agent, 3-5 parts of cold-resistant agent, 8-10 parts of nano wollastonite powder, 32-40 parts of glass fiber, 16-23 parts of flame retardant and 2-4 parts of heat-resistant agent are put into a drying oven at the temperature of 100 ℃ and 105 ℃ for drying for 2.5 hours; then mixing the dried raw materials with ethanol aqueous solution, adjusting pH to 4-5 with hydrochloric acid, placing into a high-speed mixer, stirring at 90-110r/min and 35-65 deg.C for 25 min; and adding the mixed materials in the steps into a double-screw extruder for melting, mixing and homogenizing, forming strips through a filament outlet plate connected with a machine head, drawing and stretching the strips, cooling the strips by a water tank, and then feeding the strips into a granulator for granulation to obtain the high-temperature-resistant super-tough flame-retardant cold-resistant nylon material.
Example three:
in the second embodiment, the following steps are added:
in the second step, the toughening agent is selected from one of maleic anhydride grafted PE and POE grafted glycidyl methacrylate, and the cold-resistant agent is silicon polyether modified polymer.
Firstly, 50-80 parts of fetching material nylon resin, 4-8 parts of lubricating agent, 3-6 parts of antioxidant, 13-15 parts of modified nano mica powder, 1-3 parts of heat stabilizer, 18-20 parts of toughening agent, 3-4 parts of auxiliary toughening agent, 3-5 parts of cold-resistant agent, 8-10 parts of nano wollastonite powder, 32-40 parts of glass fiber, 16-23 parts of flame retardant and 2-4 parts of heat-resistant agent are put into a drying oven at the temperature of 100 ℃ and 105 ℃ for drying for 2.5 hours; then mixing the dried raw materials with ethanol aqueous solution, adjusting pH to 4-5 with hydrochloric acid, placing into a high-speed mixer, stirring at 90-110r/min and 35-65 deg.C for 25 min; and adding the mixed materials in the steps into a double-screw extruder for melting, mixing and homogenizing, forming strips through a filament outlet plate connected with a machine head, drawing and stretching the strips, cooling the strips by a water tank, and then feeding the strips into a granulator for granulation to obtain the high-temperature-resistant super-tough flame-retardant cold-resistant nylon material.
Example four:
in the third embodiment, the following steps are added:
in the second step, the particle size of the nanometer wollastonite powder is 450-550 meshes, and the heat-resistant agent is selected from one of K-145 heat-resistant agents and K-150 heat-resistant agents.
Firstly, 50-80 parts of fetching material nylon resin, 4-8 parts of lubricating agent, 3-6 parts of antioxidant, 13-15 parts of modified nano mica powder, 1-3 parts of heat stabilizer, 18-20 parts of toughening agent, 3-4 parts of auxiliary toughening agent, 3-5 parts of cold-resistant agent, 8-10 parts of nano wollastonite powder, 32-40 parts of glass fiber, 16-23 parts of flame retardant and 2-4 parts of heat-resistant agent are put into a drying oven at the temperature of 100 ℃ and 105 ℃ for drying for 2.5 hours; then mixing the dried raw materials with ethanol aqueous solution, adjusting pH to 4-5 with hydrochloric acid, placing into a high-speed mixer, stirring at 90-110r/min and 35-65 deg.C for 25 min; and adding the mixed materials in the steps into a double-screw extruder for melting, mixing and homogenizing, forming strips through a filament outlet plate connected with a machine head, drawing and stretching the strips, cooling the strips by a water tank, and then feeding the strips into a granulator for granulation to obtain the high-temperature-resistant super-tough flame-retardant cold-resistant nylon material.
Example five:
in the fourth example, the following steps were added:
in the second step, the glass fiber is one of the glass fiber subjected to surface treatment by the titanate coupling agent, a heat stabilizer inorganic substance and a metal organic compound.
Firstly, 50-80 parts of material-taking nylon resin, 4-8 parts of lubricant, 3-6 parts of antioxidant, 13-15 parts of modified nano mica powder, 1-3 parts of heat stabilizer, 18-20 parts of toughening agent, 3-4 parts of auxiliary toughening agent, 3-5 parts of cold resistant agent, 8-10 parts of nano wollastonite powder, 32-40 parts of glass fiber, 16-23 parts of flame retardant and 2-4 parts of heat resistant agent are placed in a drying oven with the temperature of 100 ℃ and 105 ℃ for drying for 2.5 hours; then mixing the dried raw materials with ethanol aqueous solution, adjusting pH to 4-5 with hydrochloric acid, placing into a high-speed mixer, stirring at 90-110r/min and 35-65 deg.C for 25 min; and adding the mixed materials in the steps into a double-screw extruder for melting, mixing and homogenizing, forming strips through a filament outlet plate connected with a machine head, drawing and stretching the strips, cooling the strips by a water tank, and then feeding the strips into a granulator for granulation to obtain the high-temperature-resistant super-tough flame-retardant cold-resistant nylon material.
Example six:
in the fifth example, the following steps were added:
in the second step, the nylon resin is one of nylon 6 and nylon 66, and the flame retardant is one of a halogen flame retardant, a phosphorus flame retardant and a nitrogen flame retardant.
Firstly, 50-80 parts of fetching material nylon resin, 4-8 parts of lubricating agent, 3-6 parts of antioxidant, 13-15 parts of modified nano mica powder, 1-3 parts of heat stabilizer, 18-20 parts of toughening agent, 3-4 parts of auxiliary toughening agent, 3-5 parts of cold-resistant agent, 8-10 parts of nano wollastonite powder, 32-40 parts of glass fiber, 16-23 parts of flame retardant and 2-4 parts of heat-resistant agent are put into a drying oven at the temperature of 100 ℃ and 105 ℃ for drying for 2.5 hours; then mixing the dried raw materials with ethanol aqueous solution, adjusting pH to 4-5 with hydrochloric acid, placing into a high-speed mixer, stirring at 90-110r/min and 35-65 deg.C for 25 min; and adding the mixed materials in the steps into a double-screw extruder for melting, mixing and homogenizing, forming strips through a filament outlet plate connected with a machine head, drawing and stretching the strips, cooling the strips by a water tank, and then feeding the strips into a granulator for granulation to obtain the high-temperature-resistant super-tough flame-retardant cold-resistant nylon material.
Example seven:
in example six, the following steps were added:
the main machine rotation speed of the double-screw extruder in the third step is 200-300rpm, and the feeding frequency is 20-30 Hz.
Firstly, 50-80 parts of fetching material nylon resin, 4-8 parts of lubricating agent, 3-6 parts of antioxidant, 13-15 parts of modified nano mica powder, 1-3 parts of heat stabilizer, 18-20 parts of toughening agent, 3-4 parts of auxiliary toughening agent, 3-5 parts of cold-resistant agent, 8-10 parts of nano wollastonite powder, 32-40 parts of glass fiber, 16-23 parts of flame retardant and 2-4 parts of heat-resistant agent are put into a drying oven at the temperature of 100 ℃ and 105 ℃ for drying for 2.5 hours; then mixing the dried raw materials with ethanol aqueous solution, adjusting pH to 4-5 with hydrochloric acid, placing into a high-speed mixer, stirring at 90-110r/min and 35-65 deg.C for 25 min; and adding the mixed materials in the steps into a double-screw extruder for melting, mixing and homogenizing, forming strips through a filament outlet plate connected with a machine head, drawing and stretching the strips, cooling the strips by a water tank, and then feeding the strips into a granulator for granulation to obtain the high-temperature-resistant super-tough flame-retardant cold-resistant nylon material.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A high temperature resistant super toughness nylon material which is characterized in that: the components of the material comprise the following components in parts by weight:
50-80 parts of nylon resin
4 to 8 portions of lubricant
3-6 parts of antioxidant
13-15 parts of modified nano mica powder
1-3 parts of heat stabilizer
18-20 parts of toughening agent
3-4 parts of auxiliary toughening agent
3-5 parts of cold-resistant agent
8-10 parts of nano wollastonite powder
32-40 parts of glass fiber
16-23 parts of flame retardant
2-4 parts of a heat-resistant agent;
the preparation method comprises the following steps:
step one, drying:
50-80 parts of fetching material nylon resin, 4-8 parts of lubricating agent, 3-6 parts of antioxidant, 13-15 parts of modified nano mica powder, 1-3 parts of heat stabilizer, 18-20 parts of toughening agent, 3-4 parts of auxiliary toughening agent, 3-5 parts of cold-resistant agent, 8-10 parts of nano wollastonite powder, 32-40 parts of glass fiber, 16-23 parts of flame retardant and 2-4 parts of heat-resistant agent are placed in a drying oven at the temperature of 100 ℃ and 105 ℃ for drying for 2.5 hours;
step two, mixing:
mixing the raw materials dried in the step one with an ethanol aqueous solution, adjusting the pH value to 4-5 by using hydrochloric acid, and uniformly stirring the mixture in a high-speed mixer for 25min at the rotation speed of 90-110r/min and the temperature of 35-65 ℃;
step three, refining:
and D, adding the mixed material in the step two into a double-screw extruder for melting, mixing and homogenizing, forming a material strip through a filament outlet plate connected with a machine head, drawing and stretching the material strip, cooling the material strip through a water tank, and then sending the material strip into a granulator for granulation to obtain the high-temperature-resistant super-tough flame-retardant cold-resistant nylon material.
2. The high temperature resistant super tough nylon material and the preparation method thereof according to claim 1, characterized in that: and in the second step, the lubricant is calcium stearate and magnesium stearate according to a mass ratio of 1.5: 1.7, and the antioxidant is prepared by mixing the following components in a mass ratio of 4: 2 hindered phenol antioxidant and phosphite ester antioxidant.
3. The high-temperature-resistant super-tough nylon material and the preparation method thereof according to claim 1, wherein the high-temperature-resistant super-tough nylon material is characterized in that: the toughening agent in the second step is one of maleic anhydride grafted PE, POE grafted glycidyl methacrylate, HD maleic anhydride grafted PE and POE grafted maleic anhydride, and the cold-resistant agent is a silicon polyether modified polymer.
4. The high temperature resistant super tough nylon material and the preparation method thereof according to claim 1, characterized in that: in the second step, the particle size of the nanometer wollastonite powder is 450-550 meshes, and the heat-resistant agent is selected from one of K-145 heat-resistant agents and K-150 heat-resistant agents.
5. The high temperature resistant super tough nylon material and the preparation method thereof according to claim 1, characterized in that: in the second step, the glass fiber is subjected to surface treatment by a titanate coupling agent, and the heat stabilizer is one of an inorganic substance and a metal organic compound.
6. The high temperature resistant super tough nylon material and the preparation method thereof according to claim 1, characterized in that: in the second step, the nylon resin is one of nylon 6 and nylon 66, and the flame retardant is one of a halogen flame retardant, a phosphorus flame retardant and a nitrogen flame retardant.
7. The high temperature resistant super tough nylon material and the preparation method thereof according to claim 1, characterized in that: the main machine rotating speed of the double-screw extruder in the third step is 200-300rpm, and the feeding frequency is 20-30 Hz.
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| CN202210298297.9A CN114437537A (en) | 2022-03-25 | 2022-03-25 | High-temperature-resistant super-toughness nylon material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117659696A (en) * | 2024-02-01 | 2024-03-08 | 河北铁科翼辰新材科技有限公司 | Anti-fatigue low-temperature-resistant nylon composite material and preparation method and application thereof |
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| CN109722012A (en) * | 2018-11-21 | 2019-05-07 | 苏州市同发塑业有限公司 | A kind of nylon composite materials and preparation method thereof that toughness high-mouldability is good |
| CN109836818A (en) * | 2019-02-03 | 2019-06-04 | 上海耐特复合材料制品有限公司 | A kind of resistant, toughened nylon material of environment-friendly cold and preparation method thereof |
| CN110066510A (en) * | 2019-05-21 | 2019-07-30 | 苏州博利迈新材料科技有限公司 | A kind of resistant, toughened nylon material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109722012A (en) * | 2018-11-21 | 2019-05-07 | 苏州市同发塑业有限公司 | A kind of nylon composite materials and preparation method thereof that toughness high-mouldability is good |
| CN109836818A (en) * | 2019-02-03 | 2019-06-04 | 上海耐特复合材料制品有限公司 | A kind of resistant, toughened nylon material of environment-friendly cold and preparation method thereof |
| CN110066510A (en) * | 2019-05-21 | 2019-07-30 | 苏州博利迈新材料科技有限公司 | A kind of resistant, toughened nylon material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117659696A (en) * | 2024-02-01 | 2024-03-08 | 河北铁科翼辰新材科技有限公司 | Anti-fatigue low-temperature-resistant nylon composite material and preparation method and application thereof |
| CN117659696B (en) * | 2024-02-01 | 2024-05-07 | 河北铁科翼辰新材科技有限公司 | Anti-fatigue low-temperature-resistant nylon composite material and preparation method and application thereof |
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Application publication date: 20220506 |