CN115466499B - Aromatic polyketone modified high-wear-resistance high-heat-resistance material and application thereof - Google Patents
Aromatic polyketone modified high-wear-resistance high-heat-resistance material and application thereof Download PDFInfo
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- 229920001470 polyketone Polymers 0.000 title claims abstract description 151
- 125000003118 aryl group Chemical group 0.000 title claims abstract description 132
- 239000000463 material Substances 0.000 title abstract description 53
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 54
- 239000001257 hydrogen Substances 0.000 claims abstract description 54
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 38
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 36
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 35
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 34
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 34
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 28
- 239000003779 heat-resistant material Substances 0.000 claims abstract description 28
- 239000004696 Poly ether ether ketone Substances 0.000 claims abstract description 23
- 229920002530 polyetherether ketone Polymers 0.000 claims abstract description 23
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims abstract description 18
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 238000005299 abrasion Methods 0.000 claims description 19
- 239000003963 antioxidant agent Substances 0.000 claims description 10
- 230000003078 antioxidant effect Effects 0.000 claims description 10
- 239000000155 melt Substances 0.000 claims description 4
- 239000002245 particle Substances 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 compound 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 3
- HCILJBJJZALOAL-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)-n'-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyl]propanehydrazide Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 HCILJBJJZALOAL-UHFFFAOYSA-N 0.000 claims description 2
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000009757 thermoplastic moulding Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 15
- 238000012360 testing method Methods 0.000 description 7
- 229920006260 polyaryletherketone Polymers 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910000071 diazene Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229920001643 poly(ether ketone) Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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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
- C08L73/00—Compositions of macromolecular compounds obtained by reactions forming a linkage containing oxygen or oxygen and carbon in the main chain, not provided for in groups C08L59/00 - C08L71/00; Compositions of derivatives of such polymers
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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
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The application discloses an aromatic polyketone modified high wear-resistant high heat-resistant material and application thereof, wherein the aromatic polyketone modified high wear-resistant high heat-resistant material comprises the following raw materials in parts by weight: 50-60% of aromatic polyketone, 10-30% of aliphatic polyketone, 2-8% of polytetrafluoroethylene and 2-5% of polyether-ether-ketone; the structure of the aromatic polyketone is as follows:wherein R is 1 Is hydrogen, methyl, ethyl or tert-butyl, R 2 Is hydrogen, methyl, ethyl or tert-butyl, R 3 Is hydrogen or methyl, R 1 And R is 2 At least one of which is hydrogen; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0. According to the application, the aromatic polyketone with a specific structure is selected, and the aliphatic polyketone, polytetrafluoroethylene and polyether-ether-ketone with specific proportions are compounded to obtain the high-wear-resistance and high-heat-resistance material, so that the problems that the polytetrafluoroethylene and the polyether-ether-ketone are difficult to perform thermoplastic molding and the friction factor of the polyketone material is relatively high can be solved.
Description
Technical Field
The application belongs to the field of high polymer materials, and particularly relates to an aromatic polyketone modified high-wear-resistance high-heat-resistance material and application thereof.
Background
Parts such as gears, bearings, levers, chain wheels, instrument internals and the like of products such as automobiles, household appliances and the like are required to be made of materials with good mechanical properties, wear resistance and heat resistance. Although materials such as polytetrafluoroethylene and polyaryletherketone have excellent wear-resistant self-lubricating and heat-resistant properties, and are very suitable for preparing parts such as gears, bearings, levers, chain wheels, instrument internals and the like of products such as automobiles, household appliances and the like, the polytetrafluoroethylene and the polyaryletherketone are difficult to thermoplastic form, and particularly when the structure of the products to be prepared is complex, the polytetrafluoroethylene and the polyaryletherketone are difficult to form and process according to the design requirements and the use requirements of the parts.
As a photodegradable green high polymer material, the polyketone material has excellent wear resistance, but under the dry friction condition, the friction factor is relatively high, the friction factor is about 0.50, and compared with the existing self-lubricating engineering plastic, the friction reduction performance of the polyketone material is still to be improved. Therefore, the problems that polytetrafluoroethylene and polyaryletherketone are difficult to thermoplastic form and the friction factor of polyketone materials is relatively high are urgently needed to be solved.
Disclosure of Invention
In view of the above-mentioned shortcomings in the prior art, the present application aims to provide an aromatic polyketone modified high wear-resistant and high heat-resistant material, which comprises the following raw materials in weight content: 50-60% of aromatic polyketone, 10-30% of aliphatic polyketone, 2-8% of polytetrafluoroethylene and 2-5% of polyether ketone; the structure of the aromatic polyketone is as follows:wherein R is 1 Is hydrogen, methyl, ethyl or tert-butyl, R 2 Is hydrogen, methyl, ethyl or tert-butyl, R 3 Is hydrogen or methyl, R 1 And R is 2 At least one of which is hydrogen; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0. According to the application, the aromatic polyketone with a specific structure is selected, particularly fluorine atoms are introduced at the para position, and the aliphatic polyketone, polytetrafluoroethylene and polyether ether ketone with specific proportions are compounded to obtain the high-wear-resistance and high-heat-resistance material, so that the problems that the polytetrafluoroethylene and the polyether ether ketone are difficult to perform thermoplastic molding, the friction factor of the polyketone material is relatively high, and the heat resistance is poor can be solved.
The application aims to provide an aromatic polyketone modified high-wear-resistance high-heat-resistance material, which comprises the following raw materials in parts by weight:
the structure of the aromatic polyketone is as follows:
wherein R is 1 Is hydrogen, methyl or ethylOr tert-butyl, R 2 Is hydrogen, methyl, ethyl or tert-butyl, R 3 Is hydrogen or methyl, R 1 And R is 2 At least one of which is hydrogen; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Preferably, the aromatic polyketone modified high wear-resistant high heat-resistant material comprises the following raw materials in parts by weight:
the structure of the aromatic polyketone is as follows:
wherein R is 1 Is hydrogen, R 2 Is ethyl or tert-butyl, R 3 Is methyl; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Preferably, the aromatic polyketone modified high wear-resistant high heat-resistant material comprises the following raw materials in parts by weight:
the structure of the aromatic polyketone is as follows:
wherein R is 1 Is ethyl or tert-butyl, R 2 Is hydrogen, R 3 Is methyl; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Preferably, the aromatic polyketone modified high wear-resistant high heat-resistant material comprises the following raw materials in parts by weight:
the structure of the aromatic polyketone is as follows:
wherein R is 1 、R 2 、R 3 Are all hydrogen; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Preferably, the aromatic polyketone modified high wear-resistant high heat-resistant material comprises the following raw materials in parts by weight:
more preferably, the aromatic polyketone modified high wear-resistant high heat-resistant material comprises the following raw materials in parts by weight:
preferably, the aliphatic polyketone has a melt flow rate of not less than 50g/10min at 240℃and 2.16kg.
Preferably, the polytetrafluoroethylene has an average particle size of 2-50 μm.
More preferably, the polytetrafluoroethylene has an average particle diameter of 2 to 10 μm.
Preferably, the aromatic polyketone modified high wear-resistant and high heat-resistant material further comprises an antioxidant with the weight content of 0.1-0.5%.
More preferably, the aromatic polyketone modified high abrasion resistant and high heat resistant material further comprises an antioxidant in an amount of 0.4% by weight.
Preferably, the antioxidant is selected from one or more of antioxidant 1010, antioxidant 1024 and antioxidant DLTP.
The application also aims to provide a preparation method of the aromatic polyketone modified high-wear-resistance high-heat-resistance material, which comprises the following steps:
s1, drying and preprocessing the aromatic polyketone, aliphatic polyketone, polytetrafluoroethylene, polyether ether ketone and antioxidant;
s2, uniformly mixing the aromatic polyketone, the aliphatic polyketone, the polytetrafluoroethylene, the polyether-ether-ketone and the antioxidant which are subjected to the drying treatment in the step S1;
s3, putting the uniformly mixed materials in the step S2 into a hopper of a double-screw extruder, and carrying out melt extrusion and granulation to obtain the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The application further aims to provide an application of the aromatic polyketone modified high-wear-resistance high-heat-resistance material in preparing a high-molecular composite material.
Compared with the prior art, the application has the following beneficial effects:
(1) According to the application, the aromatic polyketone with a specific structure is selected, and the aliphatic polyketone, polytetrafluoroethylene and polyether-ether-ketone with specific proportions are compounded to obtain the high-wear-resistance and high-heat-resistance material, so that the problems that polytetrafluoroethylene and polyaryletherketone are difficult to perform thermoplastic molding, and the polyketone material has relatively high friction factor and poor heat resistance can be solved.
(2) The material obtained by the optimized combination of the composition has good wear resistance, the heat resistance of the material is improved by selecting the aromatic polyketone with a specific structure, the molding processing performance of the material is ensured, and meanwhile, the compatibility of the aliphatic polyketone, polytetrafluoroethylene and polyether ether ketone can be improved by the aromatic polyketone with the specific structure.
Detailed Description
In order to make the technical solution of the present application better understood by those skilled in the art, the technical solution of the present application will be clearly and completely described in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
The raw material sources are as follows:
the aliphatic polyketone is a copolymer of ethylene, propylene and carbon oxide manufactured by Xiao xing company, which is Xiao xing M330A; the melt flow rate of aliphatic polyketone at 240 ℃ and 2.16kg is not less than 50g/10min.
The aromatic polyketone is obtained by adopting a cationized alpha-diimine palladium complex catalyst system to catalyze vinyl aromatic hydrocarbon and carbon monoxide to carry out solution polymerization reaction.
The polytetrafluoroethylene powder is selected from Japanese gold.
The polyetheretherketone is selected from the american RTP company.
Example 1: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
S1, carrying out drying pretreatment on aromatic polyketone, aliphatic polyketone, polytetrafluoroethylene, polyether-ether-ketone and an antioxidant;
s2, uniformly mixing 58.5 parts by weight of aromatic polyketone, 29.3 parts by weight of aliphatic polyketone, 7.4 parts by weight of polytetrafluoroethylene, 4.4 parts by weight of polyether-ether-ketone and 0.4 part by weight of antioxidant 1010 which are subjected to drying treatment in the step S1;
s3, putting the uniformly mixed materials in the step S2 into a hopper of a double-screw extruder, and carrying out melt extrusion and granulation to obtain the aromatic polyketone modified high-wear-resistance high-heat-resistance material;
the average grain diameter of the polytetrafluoroethylene is 2-10 mu m;
the aliphatic polyketone is dawn M330A;
the structural formula of the aromatic polyketone is as follows:
wherein R is 1 Is hydrogen, R 2 Is hydrogen, R 3 Is methyl; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol,the molecular weight distribution is 1.1-2.0.
Example 2: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was followed except that the aromatic polyketone of example 1 was replaced with the following one.
The structural formula of the aromatic polyketone is as follows:
wherein R is 1 Is hydrogen, R 2 Is methyl, R 3 Is methyl; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 3: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was followed except that the aromatic polyketone of example 1 was replaced with the following one.
The structural formula of the aromatic polyketone is as follows:
wherein R is 1 Is hydrogen, R 2 Is methyl, R 3 Is hydrogen; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 4: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was followed except that the aromatic polyketone of example 1 was replaced with the following one.
The structural formula of the aromatic polyketone is as follows:
wherein R is 1 Is methyl, R 2 Is hydrogen, R 3 Is hydrogen; number average molecular weight of 2-20 ten thousand g/mol, molecular weight distribution1.1-2.0.
Example 5: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was followed except that the aromatic polyketone of example 1 was replaced with the following one.
The structural formula of the aromatic polyketone is as follows:
wherein R is 1 Is methyl, R 2 Is hydrogen, R 3 Is methyl; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 6: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was followed except that the aromatic polyketone of example 1 was replaced with the following one.
The structural formula of the aromatic polyketone is as follows:
wherein R is 1 Is ethyl, R 2 Is hydrogen, R 3 Is hydrogen; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 7: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was followed except that the aromatic polyketone of example 1 was replaced with the following one.
The structural formula of the aromatic polyketone is as follows:
wherein R is 1 Is tert-butyl, R 2 Is hydrogen, R 3 Is hydrogen; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 8: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was followed except that the aromatic polyketone of example 1 was replaced with the following one.
The structural formula of the aromatic polyketone is as follows:
wherein R is 1 Is hydrogen, R 2 Is ethyl, R 3 Is methyl; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 9: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was followed except that the aromatic polyketone of example 1 was replaced with the following one.
The structural formula of the aromatic polyketone is as follows:
wherein R is 1 Is hydrogen, R 2 Is tert-butyl, R 3 Is methyl; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 10: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was followed except that the aromatic polyketone of example 1 was replaced with the following one.
The structural formula of the aromatic polyketone is as follows:
wherein R is 1 Is ethyl, R 2 Is hydrogen, R 3 Is methyl; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 11: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was followed except that the aromatic polyketone of example 1 was replaced with the following one.
The structural formula of the aromatic polyketone is as follows:
wherein R is 1 Is tert-butyl, R 2 Is hydrogen, R 3 Is methyl; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 12: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was followed except that the aromatic polyketone of example 1 was replaced with the following one.
The structural formula of the aromatic polyketone is as follows:
wherein R is 1 、R 2 、R 3 Are all hydrogen; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Comparative example 1: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
58.5 parts by weight of the aromatic polyketone and 29.3 parts by weight of the aliphatic polyketone in example 1 were replaced with 87.8 parts by weight of the aliphatic polyketone, and the remaining steps were unchanged.
Comparative example 2: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
7.4 parts by weight of polytetrafluoroethylene and 4.4 parts by weight of polyether-ether-ketone in example 1 were replaced with 11.8 parts by weight of polytetrafluoroethylene, and the rest of the procedure was unchanged.
Comparative example 3: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
7.4 parts by weight of polytetrafluoroethylene and 4.4 parts by weight of polyether-ether-ketone in example 1 were replaced with 11.8 parts by weight of polyether-ether-ketone, and the rest of the procedure was unchanged.
Comparative example 4: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced with the following structure:
wherein R is 1 Is hydrogen, R 2 Is hydrogen, R 3 Is methyl; the number average molecular weight is 5 ten thousand to 10 ten thousand g/mol, and the molecular weight distribution is 1.1 to 1.5; the rest steps are unchanged.
Comparative example 5: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced with the following structure:
wherein R is 1 Is hydrogen, R 2 Is methyl, R 3 Is methyl; the number average molecular weight is 5 ten thousand to 10 ten thousand g/mol, and the molecular weight distribution is 1.1 to 1.5; the rest steps are unchanged.
Comparative example 6: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced with the following structure:
wherein R is 1 Is methyl, R 2 Is hydrogen, R 3 Is hydrogen; the number average molecular weight is 5 ten thousand to 10 ten thousand g/mol, and the molecular weight distribution is 1.1 to 1.5; the rest steps are unchanged.
Comparative example 7: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced with the following structure:
wherein R is 1 Is methyl, R 2 Is hydrogen, R 3 Is methyl; the number average molecular weight is 5 ten thousand to 10 ten thousand g/mol, and the molecular weight distribution is 1.1 to 1.5; the rest steps are unchanged.
Comparative example 8: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced with the following structure:
wherein R is 1 Is ethyl, R 2 Is hydrogen, R 3 Is hydrogen; the number average molecular weight is 5 ten thousand to 10 ten thousand g/mol, and the molecular weight distribution is 1.1 to 1.5; the rest steps are unchanged.
Comparative example 9: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced with the following structure:
wherein R is 1 Is tert-butyl, R 2 Is hydrogen, R 3 Is hydrogen; the number average molecular weight is 5 ten thousand to 10 ten thousand g/mol, and the molecular weight distribution is 1.1 to 1.5; the rest steps are unchanged.
Comparative example 10: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced with the following structure:
wherein R is 1 Is hydrogen, R 2 Is ethyl, R 3 Is methyl; the number average molecular weight is 5 ten thousand to 10 ten thousand g/mol, and the molecular weight distribution is 1.1 to 1.5; the rest steps are unchanged.
Comparative example 11: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced with the following structure:
wherein R is 1 Is hydrogen, R 2 Is tert-butyl, R 3 Is methyl; the number average molecular weight is 5 ten thousand to 10 ten thousand g/mol, and the molecular weight distribution is 1.1 to 1.5; the rest steps are unchanged.
Comparative example 12: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced with the following structure:
wherein R is 1 Is ethyl, R 2 Is hydrogen, R 3 Is methyl; the number average molecular weight is 5 ten thousand to 10 ten thousand g/mol, and the molecular weight distribution is 1.1 to 1.5; the rest steps are unchanged.
Comparative example 13: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced with the following structure:
wherein R is 1 Is tert-butyl, R 2 Is hydrogen, R 3 Is methyl; the number average molecular weight is 5 ten thousand to 10 ten thousand g/mol, and the molecular weight distribution is 1.1 to 1.5; the rest steps are unchanged.
Comparative example 14: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced with the following structure:
wherein R is 1 、R 2 、R 3 Are all hydrogen; the number average molecular weight is 5 ten thousand to 10 ten thousand g/mol, and the molecular weight distribution is 1.1 to 1.5; the rest steps are unchanged.
Comparative example 15: and (3) preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced with the following structure:
wherein R is 1 、R 2 、R 3 Are all methyl groups; the number average molecular weight is 0.5-10 ten thousand g/mol, and the molecular weight distribution is 1.5-2.0; the rest steps are unchanged.
Performance test:
friction and wear properties: the MMs-2A ring block friction and abrasion testing machine of Jinan Yihua tribology testing technology company is used, the dry friction is carried out at the atmospheric environment and the room temperature, the speed is 0.42m/s, 100N is loaded, the testing time is 30min,5 samples are a group, and the average value is obtained.
Tensile properties: determination of tensile Properties of plastics according to GB/T1040.2-2006 part 2: test conditions for molding and extrusion of plastics "tensile tests were carried out. The test piece was a dumbbell-shaped test piece, and the flat portion was 60mm by 10mm by 4mm in size and the stretching speed was 50mm/min.
Heat distortion temperature: determination of deformation temperature under Plastic load according to GB/T1634.1-2004 part 1: general test method, the bending stress was measured by a thermal deformation and Vicat softening point temperature measuring instrument and found to be 0.45MPa.
Impact resistance: determination of impact Properties of Plastic simply supported Beam according to GB/T1043.1-2008 part 1: non-instrumented impact test was run using a simple corbel notched impact with a Metts ZBC.1400.1 pendulum type simple corbel impact tester.
Melt flow rate: according to GB/T3682-2000 "determination of thermoplastic melt Mass flow Rate and melt volume flow Rate", a Shanghai product weight measurement device Co., ltd. PZ172 melt flow Rate tester was used at a temperature of 260℃under a test load of 2.16kg.
TABLE 1 Performance test results for the aromatic polyketone-modified high abrasion and high heat resistance materials of examples 1 to 12.
As can be seen from Table 1, the aromatic polyketone modified high wear-resistant and high heat-resistant materials prepared in examples 1 to 12 of the application have good tensile property, impact resistance, heat resistance and wear resistance, the aliphatic polyketone is compatible with polytetrafluoroethylene and polyether-ether-ketone, and the melt solidification rate is high; as can be seen from the comparison of examples 1 to 7 and examples 8 to 9, the impact strength of the aromatic polyketone-modified high abrasion-resistant and heat-resistant material prepared by changing the molecular structure of the aromatic polyketone in examples 8 to 9 was improved by 15% or more; as can be seen from the comparison of examples 1 to 7 and examples 10 to 11, examples 10 to 11 improved the tensile strength of the aromatic polyketone-modified high abrasion-resistant and heat-resistant material prepared by changing the molecular structure of the aromatic polyketone by 17% or more; as can be seen from comparative examples 1 to 7 and example 12, the thermal deformation temperature of the aromatic polyketone-modified high abrasion-resistant and heat-resistant material prepared by changing the molecular structure of the aromatic polyketone in example 12 was increased by 16% or more.
Table 2. Results of performance tests of the aromatic polyketone-modified high abrasion and high heat resistance materials of comparative examples 1 to 15.
From Table 2, it can be seen that the aromatic polyketone can effectively solve the problems of thermal deformation of the aliphatic polyketone and compatibility of the aliphatic polyketone with polytetrafluoroethylene and polyether ether ketone; as can be seen from comparative examples 1 and 2-3, the application can effectively solve the problem of poor friction and abrasion performance of polyketone by adding aromatic polyketone, compound polytetrafluoroethylene and polyether ether ketone with specific structures and proportions, and the aliphatic polyketone with proper melt flow rate can endow the composite material with good processing fluidity, thereby facilitating injection molding processing of the final product; as can be seen from comparative examples 1 and 4-15, the aromatic polyketone with a specific structure is selected and compounded with the aliphatic polyketone, the polytetrafluoroethylene and the polyether ether ketone with a specific proportion to obtain the aromatic polyketone modified high wear-resistant and high heat-resistant material, so that the problems of thermal deformation of the aliphatic polyketone and compatibility of the aliphatic polyketone with the polytetrafluoroethylene and the polyether ether ketone can be effectively solved, the aromatic polyketone modified high wear-resistant and high heat-resistant material with good wear resistance, impact resistance, tensile property and processability can be obtained, and the defects of the aliphatic polyketone in other structures cannot be effectively solved, and a better technical effect is achieved.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the specific embodiments of the present application after reading the present specification, and these modifications and variations do not depart from the scope of the application as claimed in the pending claims.
Claims (10)
1. The aromatic polyketone modified high wear-resistant and high heat-resistant material is characterized by comprising the following raw materials in parts by weight:
50-60% of aromatic polyketone;
10-30% of aliphatic polyketone;
2-8% of polytetrafluoroethylene;
2-5% of polyether-ether-ketone;
the structure of the aromatic polyketone is as follows:
wherein R is 1 Is hydrogen, methyl, ethyl or tert-butyl, R 2 Is hydrogen, methyl, ethyl or tert-butyl, R 3 Is hydrogen or methyl, R 1 And R is 2 At least one of which is hydrogen; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
2. The aromatic polyketone-modified high abrasion-resistant and heat-resistant material according to claim 1, wherein the aromatic polyketone has the structure as follows:
wherein R is 1 Is hydrogen, R 2 Is ethyl or tert-butyl, R 3 Is methyl; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
3. The aromatic polyketone-modified high abrasion-resistant and heat-resistant material according to claim 1, wherein the aromatic polyketone has the structure as follows:
wherein R is 1 Is ethyl or tert-butyl, R 2 Is hydrogen, R 3 Is methyl; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
4. The aromatic polyketone-modified high abrasion-resistant and heat-resistant material according to claim 1, wherein the aromatic polyketone has the structure as follows:
wherein R is 1 、R 2 、R 3 Are all hydrogen; the number average molecular weight is 2 ten thousand-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
5. The aromatic polyketone-modified, high abrasion-resistant and heat-resistant material according to any one of claims 1 to 4, wherein the aromatic polyketone-modified, high abrasion-resistant and heat-resistant material comprises the following raw materials in parts by weight:
55-59% of aromatic polyketone;
20-30% of aliphatic polyketone;
4-8% of polytetrafluoroethylene;
3-5% of polyether-ether-ketone.
6. The aromatic polyketone-modified, high abrasion-resistant and heat-resistant material according to any one of claims 1 to 4, wherein the aromatic polyketone-modified, high abrasion-resistant and heat-resistant material comprises the following raw materials in parts by weight:
58.5% of aromatic polyketone;
29.3% of aliphatic polyketone;
7.4% of polytetrafluoroethylene;
4.4% of polyether-ether-ketone.
7. The aromatic polyketone-modified, high abrasion-resistant and heat-resistant material according to any one of claims 1 to 4, wherein said aliphatic polyketone has a melt flow rate of not less than 50g/10min at 240 ℃ and 2.16kg.
8. The aromatic polyketone-modified, high abrasion-resistant and heat-resistant material according to any one of claims 1 to 4, wherein said polytetrafluoroethylene has an average particle diameter of 2 to 50. Mu.m.
9. The aromatic polyketone-modified, high abrasion-resistant and heat-resistant material according to claim 8, wherein said polytetrafluoroethylene has an average particle diameter of 2 to 10 μm.
10. The aromatic polyketone-modified, high abrasion-resistant and heat-resistant material according to claim 1, further comprising an antioxidant in an amount of 0.1 to 0.5% by weight; the antioxidant is one or more selected from antioxidant 1010, antioxidant 1024 and antioxidant DLTP.
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| US4908427A (en) * | 1986-07-23 | 1990-03-13 | Imperial Chemical Industries Plc | Polymer composition |
| GB9626782D0 (en) * | 1995-12-29 | 1997-02-12 | Shell Int Research | Dispersed polymer blend |
| JP2000234054A (en) * | 1998-12-18 | 2000-08-29 | Yokohama Rubber Co Ltd:The | Thermoplastic elastomer composition and laminate using this |
| CN112011048A (en) * | 2020-08-26 | 2020-12-01 | 链行走新材料科技(广州)有限公司 | Narrow-distribution aromatic polyketone and preparation method thereof |
| CN113372708A (en) * | 2021-07-20 | 2021-09-10 | 东风商用车有限公司 | High-temperature-resistant high-humidity-resistant self-lubricating polyketone composition and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016157082A1 (en) * | 2015-03-31 | 2016-10-06 | Sabic Global Technologies B.V. | Low toxicity poly(etherimide-siloxane)-aromatic polyketone compositions, method of manufacture, and articles made therefrom |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4908427A (en) * | 1986-07-23 | 1990-03-13 | Imperial Chemical Industries Plc | Polymer composition |
| GB9626782D0 (en) * | 1995-12-29 | 1997-02-12 | Shell Int Research | Dispersed polymer blend |
| JP2000234054A (en) * | 1998-12-18 | 2000-08-29 | Yokohama Rubber Co Ltd:The | Thermoplastic elastomer composition and laminate using this |
| CN112011048A (en) * | 2020-08-26 | 2020-12-01 | 链行走新材料科技(广州)有限公司 | Narrow-distribution aromatic polyketone and preparation method thereof |
| CN113372708A (en) * | 2021-07-20 | 2021-09-10 | 东风商用车有限公司 | High-temperature-resistant high-humidity-resistant self-lubricating polyketone composition and application thereof |
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