CN114634707A - Nylon material for inner gear ring of automobile and preparation method of nylon material - Google Patents
Nylon material for inner gear ring of automobile and preparation method of nylon material Download PDFInfo
- Publication number
- CN114634707A CN114634707A CN202011492401.5A CN202011492401A CN114634707A CN 114634707 A CN114634707 A CN 114634707A CN 202011492401 A CN202011492401 A CN 202011492401A CN 114634707 A CN114634707 A CN 114634707A
- Authority
- CN
- China
- Prior art keywords
- nylon material
- ring gear
- maleic anhydride
- nylon
- gear according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 31
- 239000004677 Nylon Substances 0.000 title claims abstract description 23
- 229920001778 nylon Polymers 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 10
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 10
- 239000012745 toughening agent Substances 0.000 claims abstract description 10
- 229920002302 Nylon 6,6 Polymers 0.000 claims abstract description 8
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 9
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 8
- 229920002943 EPDM rubber Polymers 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- 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 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000003017 thermal stabilizer Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 7
- 239000000126 substance Substances 0.000 abstract description 5
- 239000012760 heat stabilizer Substances 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 230000002028 premature Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012257 stirred material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- 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 nylon material for an inner gear ring of an automobile and a preparation method thereof, belonging to the field of materials. The formula of the material comprises PA66, glass fiber, a graft type toughening agent, a composite antioxidant, a lubricant and a heat-resistant agent, and the material has high impact property, tensile modulus and flexural modulus and meets the heat-resistant requirement of the material through mixed extrusion processing of PA66, the graft type toughening agent, the glass fiber, the antioxidant and a lubricant heat stabilizer. Long-term stability is provided for mechanical property, chemical property and thermal property of nylon, and premature mechanical fatigue of nylon under severe environmental conditions such as high-temperature embrittlement, chemical corrosion and the like is prevented.
Description
Technical Field
The invention relates to the field of materials, in particular to a nylon material for an inner gear ring of an automobile and a preparation method thereof.
Background
The ring gear of an automobile needs to have high-strength mechanical properties and good wear resistance and heat resistance. The nylon material has many excellent properties, and has outstanding characteristics in the aspects of mechanical property, chemical property, thermal property and the like, wherein the nylon 66 material has high melting point, excellent heat resistance, higher elastic modulus and low water absorption, and the properties can be greatly improved by the modified nylon 66 material, so that the nylon material is suitable for manufacturing automobile parts and electronic and electrical product parts which are easy to be heated.
Disclosure of Invention
The invention provides a nylon material for an inner gear ring of an automobile and a preparation method thereof aiming at the existing technical problems.
The purpose of the invention can be realized by the following technical scheme:
the nylon material for the inner gear ring of the automobile is prepared from the following raw materials in parts by weight:
in some preferred embodiments: the weight parts of the components are as follows:
the technical scheme of the invention is as follows: the grafting type toughening agent is at least one of maleic anhydride grafted Ethylene Propylene Diene Monomer (EPDM), maleic anhydride grafted Polyethylene (PE), maleic anhydride grafted POE and maleic anhydride and acrylate difunctional ethylene elastomer.
In some specific embodiments: the grafted toughening agent is maleic anhydride grafted polyethylene and/or maleic anhydride grafted ethylene propylene diene monomer.
The technical scheme of the invention is as follows: the composite antioxidant is an antioxidant with the mass ratio of 1: 1-3 of 1098 and an antioxidant 168.
The technical scheme of the invention is as follows: the lubricant is at least one of calcium stearate, silicone, stearic acid amide and polyethylene wax.
The technical scheme of the invention is as follows: the heat-resistant agent is a thermal stabilizer BRUGGOLEN H320.
A preparation method of the nylon material for the inner gear ring of the automobile comprises the following steps:
1) uniformly mixing PA66 and a grafting type toughening agent at the temperature of 60-100 ℃ to obtain a mixture;
2) fully and uniformly mixing the composite antioxidant, the lubricant and the heat-resistant agent, and then adding the mixture into the mixture obtained in the step 1) to be uniformly stirred;
3) adding the material uniformly stirred in the step 2) into a double screw, introducing glass fibers from a glass fiber port on a double screw extruder, and sequentially plasticizing, melting, extruding, bracing, cooling, granulating, drying and injection molding to obtain the target product.
The invention has the beneficial effects that:
according to the invention, the PA66, the graft type toughening agent, the glass fiber, the antioxidant and the lubricant heat stabilizer are mixed and extruded to be processed, so that the material has high impact property, tensile modulus and flexural modulus, and the heat-resistant requirement of the material is met. Long-term stability is provided for mechanical property, chemical property and thermal property of nylon, and premature mechanical fatigue of nylon under severe environmental conditions such as high-temperature embrittlement, chemical corrosion and the like is prevented.
Detailed Description
The invention is further illustrated by the following examples, without limiting the scope of the invention:
examples 1 to 3
TABLE 1 raw materials and amounts of respective components used in examples 1 to 3
The preparation methods of examples 1 to 3 and comparative examples 1 to 3 were as follows:
1) mixing PA66 and a toughening agent uniformly at a temperature of 80 ℃ to obtain a mixture;
2) fully and uniformly mixing the composite antioxidant, the lubricant and the heat stabilizer, and then adding the mixture into the mixture obtained in the step 1) to be uniformly stirred;
3) adding the uniformly stirred material obtained in the step 2) into a double-screw extruder, plasticizing, melting, extruding from the double-screw extruder, bracing, cooling, granulating, drying and injection molding to obtain the target product.
The technological parameters of the double-screw extruder are as follows
The samples prepared in examples 1 to 3 and comparative examples 1 to 3 were tested for tensile strength, flexural modulus, unnotched impact of a simply supported beam, and flame retardancy, and the specific test results are shown in tables 1 and 2 below:
TABLE 1
TABLE 2
Claims (8)
1. The nylon material for the inner gear ring of the automobile is characterized in that: the material is composed of the following raw materials in parts by weight:
2. the nylon material for the automotive ring gear according to claim 1: the method is characterized in that: the weight parts of the components are as follows:
3. the nylon material for the automotive ring gear according to claim 1 or 2: the method is characterized in that: the grafting type toughening agent is at least one of maleic anhydride grafted Ethylene Propylene Diene Monomer (EPDM), maleic anhydride grafted Polyethylene (PE), maleic anhydride grafted POE and maleic anhydride and acrylate difunctional ethylene elastomer.
4. The nylon material for the automotive ring gear according to claim 3: the method is characterized in that: the grafted toughening agent is maleic anhydride grafted polyethylene and/or maleic anhydride grafted ethylene propylene diene monomer.
5. The nylon material for the automotive ring gear according to claim 1 or 2: the method is characterized in that: the composite antioxidant is an antioxidant with the mass ratio of 1: 1-3 of 1098 and an antioxidant 168.
6. The nylon material for the automotive ring gear according to claim 1 or 2: the method is characterized in that: the lubricant is at least one of calcium stearate, silicone, stearic acid amide and polyethylene wax.
7. The nylon material for the automotive ring gear according to claim 1 or 2: the method is characterized in that: the heat-resistant agent is a thermal stabilizer BRUGGOLEN H320.
8. A preparation method of nylon material for the ring gear of the automobile as claimed in claim 1 is characterized in that: the method comprises the following steps:
1) uniformly mixing PA66 and a grafting type toughening agent at the temperature of 60-100 ℃ to obtain a mixture;
2) fully and uniformly mixing the composite antioxidant, the lubricant and the heat-resistant agent, and then adding the mixture into the mixture obtained in the step 1) to be uniformly stirred;
3) adding the material uniformly stirred in the step 2) into a double screw, introducing glass fibers from a glass fiber port on a double screw extruder, and sequentially plasticizing, melting, extruding, bracing, cooling, granulating, drying and injection molding to obtain the target product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011492401.5A CN114634707A (en) | 2020-12-15 | 2020-12-15 | Nylon material for inner gear ring of automobile and preparation method of nylon material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011492401.5A CN114634707A (en) | 2020-12-15 | 2020-12-15 | Nylon material for inner gear ring of automobile and preparation method of nylon material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114634707A true CN114634707A (en) | 2022-06-17 |
Family
ID=81944783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011492401.5A Pending CN114634707A (en) | 2020-12-15 | 2020-12-15 | Nylon material for inner gear ring of automobile and preparation method of nylon material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114634707A (en) |
-
2020
- 2020-12-15 CN CN202011492401.5A patent/CN114634707A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220617 |