CN115466499A - 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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- CN115466499A CN115466499A CN202211344453.7A CN202211344453A CN115466499A CN 115466499 A CN115466499 A CN 115466499A CN 202211344453 A CN202211344453 A CN 202211344453A CN 115466499 A CN115466499 A CN 115466499A
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- 229920001470 polyketone Polymers 0.000 title claims abstract description 150
- 125000003118 aryl group Chemical group 0.000 title claims abstract description 130
- 239000000463 material Substances 0.000 title claims abstract description 63
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 53
- 239000001257 hydrogen Substances 0.000 claims abstract description 53
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 38
- 238000009826 distribution Methods 0.000 claims abstract description 34
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 34
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 33
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 30
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 30
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims abstract description 18
- 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
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000003779 heat-resistant material Substances 0.000 claims description 18
- 239000003963 antioxidant agent Substances 0.000 claims description 10
- 230000003078 antioxidant effect Effects 0.000 claims description 10
- 238000005299 abrasion Methods 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 5
- 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
- 239000004696 Poly ether ether ketone Substances 0.000 abstract description 18
- 229920002530 polyetherether ketone Polymers 0.000 abstract description 18
- 229920006260 polyaryletherketone Polymers 0.000 abstract description 6
- 238000009757 thermoplastic moulding Methods 0.000 abstract description 5
- 238000013329 compounding Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 13
- 238000012360 testing method Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001125 extrusion Methods 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
- 238000011056 performance test Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 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
- 230000007812 deficiency 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
- 239000003000 extruded plastic Substances 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
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002991 molded plastic 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
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920002554 vinyl polymer Polymers 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
- 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
-
- 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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Abstract
The invention discloses an aromatic polyketone modified high-wear-resistance high-heat-resistance material and application thereof, wherein the aromatic polyketone modified high-wear-resistance high-heat-resistance 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 shown 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 2 At least one of which is hydrogen; the number average molecular weight is 2 ten thousand to 20 ten thousand g/mol, and the molecular weight distribution is 1.1 to 2.0. The invention is realized by selectingThe high-wear-resistance high-heat-resistance material is prepared by compounding aromatic polyketone with a specific structure and aliphatic polyketone, polytetrafluoroethylene and polyether-ether-ketone with specific proportions, and can solve the problems that the polytetrafluoroethylene and the polyaryletherketone are difficult to carry out thermoplastic molding and the friction factor of the polyketone material is relatively high.
Description
Technical Field
The invention belongs to the field of high polymer materials, and particularly relates to an aromatic poly-ketone modified high-wear-resistance high-heat-resistance material and application thereof.
Background
The parts of the products such as the gears, the bearings, the levers, the chain wheels, the instrument internals and the like of the automobiles, the household appliances and the like need materials with good mechanical property, wear resistance and heat resistance. Although polytetrafluoroethylene, polyaryletherketone and other materials 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, polytetrafluoroethylene and polyaryletherketone are difficult to perform thermoplastic molding, and particularly when the structures of the products to be prepared are complicated, molding processing is difficult to perform according to the design requirements and the use requirements of the parts.
The polyketone material serving as a photodegradable green high polymer material has excellent wear resistance, but has a relatively high friction factor of about 0.50 under a dry friction condition, and the friction reduction performance of the polyketone material is still to be improved compared with the conventional self-lubricating engineering plastic. Therefore, polytetrafluoroethylene and polyaryletherketone are difficult to perform thermoplastic molding, and the friction factor of polyketone materials is relatively high, which is a problem to be solved urgently.
Disclosure of Invention
In view of the above-mentioned deficiencies in the prior art, the present invention aims to provide an aromatic polyketone modified high wear-resistant high heat-resistant material, which comprises the following raw materials by weight: 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 shown 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 2 At least one of which is hydrogen; the number average molecular weight is 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0. The invention obtains the high wear-resistant and high heat-resistant material by selecting aromatic polyketone with a specific structure, particularly introducing fluorine atoms in para positions and compounding aliphatic polyketone, polytetrafluoroethylene and polyether-ether-ketone with specific proportions, and can solve the problems of polytetrafluoroethylene and polyaryletherKetone is difficult to carry out thermoplastic molding, and polyketone materials have relatively high friction factors and poor heat resistance.
The invention 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 shown 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 2 At least one of which is hydrogen; the number average molecular weight is 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Preferably, the aromatic polyketone modified high-wear-resistance high-heat-resistance material comprises the following raw materials in percentage by weight:
the structure of the aromatic polyketone is shown 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 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Preferably, the aromatic polyketone modified high-wear-resistance high-heat-resistance material comprises the following raw materials in parts by weight:
the structure of the aromatic polyketone is shown 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 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Preferably, the aromatic polyketone modified high-wear-resistance high-heat-resistance material comprises the following raw materials in parts by weight:
the structure of the aromatic polyketone is shown as follows:
wherein R is 1 、R 2 、R 3 Are all hydrogen; the number average molecular weight is 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Preferably, the aromatic polyketone modified high-wear-resistance high-heat-resistance material comprises the following raw materials in parts by weight:
more preferably, the aromatic polyketone modified high-wear-resistance high-heat-resistance 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 ℃ under 2.16kg.
Preferably, the polytetrafluoroethylene has an average particle size of 2 to 50 μm.
More preferably, the polytetrafluoroethylene has an average particle size of 2 to 10 μm.
Preferably, the aromatic polyketone modified high-wear-resistance high-heat-resistance material also comprises 0.1-0.5 wt% of antioxidant.
More preferably, the aromatic polyketone modified high wear-resistant high heat-resistant material further comprises an antioxidant with a weight content of 0.4%.
Preferably, the antioxidant is selected from one or more of antioxidant 1010, antioxidant 1024 and antioxidant DLTP.
The invention 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, carrying out drying pretreatment on the aromatic polyketone, the aliphatic polyketone, polytetrafluoroethylene, polyether ether ketone and an antioxidant;
s2, uniformly mixing the aromatic polyketone, the aliphatic polyketone, the polytetrafluoroethylene, the polyether-ether-ketone and the antioxidant which are dried in the step S1;
and S3, putting the uniformly mixed materials obtained 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 invention also aims to provide application of the aromatic polyketone modified high-wear-resistance high-heat-resistance material in preparation of a high-molecular composite material.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, the high-wear-resistance and high-heat-resistance material is obtained by selecting the aromatic polyketone with a specific structure and compounding the aromatic polyketone with the aliphatic polyketone, the polytetrafluoroethylene and the polyether ether ketone in a specific ratio, and the problems that the polytetrafluoroethylene and the polyaryletherketone are difficult to carry out thermoplastic molding and the friction factor of the polyketone material is relatively high and the heat resistance is poor can be solved.
(2) According to the invention, through the optimized combination of the composition, the obtained material has good wear resistance, the heat resistance of the material is improved by selecting the aromatic polyketone with a specific structure, the molding processability of the material is ensured, and meanwhile, the aromatic polyketone with a specific structure can also improve the compatibility of the aliphatic polyketone with polytetrafluoroethylene and polyether ether ketone.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following will clearly and completely describe the technical solution of the present invention 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 embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
The raw material sources are as follows:
aliphatic polyketones are copolymers of ethylene, propylene and carbon oxides, manufactured by the company Xiaoxing, miixing M330A; the aliphatic polyketone has a melt flow rate of not less than 50g/10min at 240 ℃ under 2.16kg.
The aromatic polyketone is obtained by catalyzing vinyl aromatic hydrocarbon and carbon monoxide to carry out solution polymerization reaction by adopting a cationized alpha-diimine palladium complex catalyst system.
The polytetrafluoroethylene powder is selected from Japan gold.
Polyetheretherketone is selected from RTP company, usa.
Example 1: 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 dried in the step S1;
s3, putting the uniformly mixed materials obtained 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 Xiaoxing 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 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 2: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was repeated 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 to 20 ten thousand g/mol, and the molecular weight distribution is 1.1 to 2.0.
Example 3: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was repeated 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 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 4: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was repeated 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; the number average molecular weight is 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 5: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was repeated 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 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 6: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was repeated 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 to 20 ten thousand g/mol, and the molecular weight distribution is 1.1 to 2.0.
Example 7: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was repeated 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 to 20 ten thousand g/mol, and the molecular weight distribution is 1.1 to 2.0.
Example 8: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was repeated 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 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 9: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was repeated 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 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Example 10: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was repeated 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 to 20 ten thousand g/mol, and the molecular weight distribution is 1.1 to 2.0.
Example 11: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was repeated 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 to 20 ten thousand g/mol, and the molecular weight distribution is 1.1 to 2.0.
Example 12: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The procedure of example 1 was repeated 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 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
Comparative example 1: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The 58.5 parts by weight of aromatic polyketone and 29.3 parts by weight of aliphatic polyketone in example 1 were replaced by 87.8 parts by weight of aliphatic polyketone, and the rest of the procedure was unchanged.
Comparative example 2: 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 polyetheretherketone were replaced by 11.8 parts by weight of polytetrafluoroethylene in example 1, and the remaining steps were unchanged.
Comparative example 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 polyetheretherketone were replaced by 11.8 parts by weight of polyetheretherketone in example 1, the remaining steps being unchanged.
Comparative example 4: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced by 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 remaining steps were unchanged.
Comparative example 5: 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 a hydrogen atom, and is,R 2 is methyl, R 3 Is methyl; the number average molecular weight is 5-10 ten thousand g/mol, and the molecular weight distribution is 1.1-1.5; the remaining steps were unchanged.
Comparative example 6: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced by the following structure:
wherein R is 1 Is methyl, R 2 Is hydrogen, R 3 Is hydrogen; the number average molecular weight is 5-10 ten thousand g/mol, and the molecular weight distribution is 1.1-1.5; the remaining steps were unchanged.
Comparative example 7: 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 5-10 ten thousand g/mol, and the molecular weight distribution is 1.1-1.5; the remaining steps were unchanged.
Comparative example 8: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced by the following structure:
wherein R is 1 Is ethyl, R 2 Is hydrogen, R 3 Is hydrogen; the number average molecular weight is 5-10 ten thousand g/mol, and the molecular weight distribution is 1.1-1.5; the remaining steps were unchanged.
Comparative example 9: 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 5-10 ten thousand g/mol, and the molecular weight distribution is 1.1-1.5; the remaining steps were unchanged.
Comparative example 10: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced by the following structure:
wherein R is 1 Is hydrogen, R 2 Is ethyl, R 3 Is methyl; the number average molecular weight is 5-10 ten thousand g/mol, and the molecular weight distribution is 1.1-1.5; the remaining steps were unchanged.
Comparative example 11: 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 5-10 ten thousand g/mol, and the molecular weight distribution is 1.1-1.5; the remaining steps were unchanged.
Comparative example 12: 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 5-10 ten thousand g/mol, and the molecular weight distribution is 1.1-1.5; the remaining steps were unchanged.
Comparative example 13: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced by the following structure:
wherein R is 1 Is tert-butyl, R 2 Is hydrogen, R 3 Is methyl; the number average molecular weight is 5-10 ten thousand g/mol, and the molecular weight distribution is 1.1-1.5; the remaining steps were unchanged.
Comparative example 14: preparing the aromatic polyketone modified high-wear-resistance high-heat-resistance material.
The aromatic polyketone structure in example 1 was replaced by the following structure:
wherein R is 1 、R 2 、R 3 Are all hydrogen; the number average molecular weight is 5-10 ten thousand g/mol, and the molecular weight distribution is 1.1-1.5; the remaining steps were unchanged.
Comparative example 15: 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 both methyl; the number average molecular weight is 0.5-10 ten thousand g/mol, and the molecular weight distribution is 1.5-2.0; the remaining steps were unchanged.
And (4) performance testing:
frictional wear performance: an MMs-2A type ring block friction wear testing machine of the frictional testing technology company of Yihua Jinan is utilized, dry friction is carried out in an atmospheric environment at room temperature, the speed is 0.42m/s, 100N is loaded, the testing time is 30min,5 samples are taken as a group, and an average value is obtained.
Tensile property: determination of tensile Properties of plastics according to GB/T1040.2-2006 part 2: test conditions for molded and extruded plastics tensile tests were carried out. The test pieces were dumbbell-shaped test pieces, and the dimensions of the straight portions were 60 mm. Times.10 mm. Times.4 mm, and the drawing speed was 50mm/min.
Heat distortion temperature: according to GB/T1634.1-2004 part 1 determination of the deformation temperature under load of Plastic: general test method, measured with a thermal deformation, vicat softening point temperature tester, the test bending stress was 0.45MPa.
And (3) impact resistance: according to GB/T1043.1-2008' determination of impact performance of plastic simply supported beam part 1: non-instrumented impact test "run, using a simple beam notched impact with a pendulum type simple beam impact tester, model mettes zbc.1400.1.
Melt flow rate: according to GB/T3682-2000 determination of thermoplastic plastic melt mass flow rate and melt volume flow rate, the melt flow rate is measured by a PZ172 melt flow rate tester of Shanghai product weight measuring equipment, inc., the test temperature is 260 ℃, and the test load is 2.16kg.
TABLE 1 Performance test results for the aromatic polyketone modified high abrasion and high heat materials of examples 1 to 12.
As can be seen from Table 1, the aromatic polyketone modified high-wear-resistance high-heat-resistance materials prepared in the embodiments 1 to 12 of the invention all 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; by comparing examples 1 to 7 and examples 8 to 9, it can be seen that the impact strength of the aromatic polyketone modified high wear-resistant high heat-resistant material prepared by changing the molecular structure of the aromatic polyketone in examples 8 to 9 is improved by more than 15%; by comparing examples 1-7 and examples 10-11, it can be seen that the tensile strength of the aromatic polyketone modified high wear and high heat resistant materials prepared by the examples 10-11 through changing the molecular structure of the aromatic polyketone is improved by more than 17%; by comparing examples 1-7 and example 12, it can be seen that the thermal deformation temperature of the aromatic polyketone modified high wear-resistant high heat-resistant material prepared by changing the molecular structure of the aromatic polyketone in example 12 is improved by more than 16%.
TABLE 2 Performance test results of the aromatic polyketone-modified high abrasion and high heat resistant materials of comparative examples 1 to 15.
As can be seen from Table 2, the aromatic polyketone can effectively solve the problems of thermal deformation of aliphatic polyketone and the compatibility of aliphatic polyketone with polytetrafluoroethylene and polyether ether ketone; by comparing the example 1 with the comparative examples 2-3, the problem of poor friction and wear performance of the polyketone can be effectively solved by adding the aromatic polyketone, the compound polytetrafluoroethylene and the 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, so that the injection molding processing of a final product is facilitated; by comparing the embodiment 1 with the comparative examples 4 to 15, it can be found that the aromatic polyketone with a specific structure is selected and compounded with the aliphatic polyketone, the polytetrafluoroethylene and the polyether ether ketone in a specific proportion to obtain the aromatic polyketone modified high-wear-resistance and high-heat-resistance material, 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-resistance and high-heat-resistance material with good wear resistance, impact resistance, tensile property and processing property is obtained, and the aromatic polyketone with other structure can not effectively solve the defects of the aliphatic polyketone and achieve better technical effect.
Finally, it should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that after reading the present specification, modifications and equivalents of the specific embodiments of the present invention can be made, but these modifications and variations do not depart from the scope of the claims of the present application.
Claims (10)
1. The aromatic polyketone modified high-wear-resistance high-heat-resistance material is characterized by comprising the following raw materials in parts by weight:
the structure of the aromatic polyketone is shown 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 2 At least one of which is hydrogen; the number average molecular weight is 2 ten thousand to 20 ten thousand g/mol, and the molecular weight distribution is 1.1 to 2.0.
2. The aromatic polyketone-modified high abrasion-resistant high heat-resistant material according to claim 1, wherein the aromatic polyketone has a 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 to 20 ten thousand g/mol, and the molecular weight distribution is1.1-2.0。
3. The aromatic polyketone-modified high abrasion-resistant high heat-resistant material according to claim 1, wherein the aromatic polyketone has a 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 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
4. The aromatic polyketone-modified high abrasion-resistant high heat-resistant material according to claim 1, wherein the aromatic polyketone has a structure as follows:
wherein R is 1 、R 2 、R 3 Are all hydrogen; the number average molecular weight is 2-20 ten thousand g/mol, and the molecular weight distribution is 1.1-2.0.
5. The aromatic polyketone-modified high wear-resistant high heat-resistant material as claimed in any one of claims 1 to 4, wherein the aromatic polyketone-modified high wear-resistant high heat-resistant material comprises the following raw materials in parts by weight:
6. the aromatic polyketone-modified high wear-resistant high heat-resistant material of any one of claims 1 to 5, wherein the aromatic polyketone-modified high wear-resistant high heat-resistant material comprises the following raw materials in weight content:
7. the aromatic polyketone-modified high abrasion and high heat resistant material as claimed in any one of claims 1 to 6, wherein said aliphatic polyketone has a melt flow rate of not less than 50g/10min at 240 ℃ under 2.16kg.
8. The aromatic polyketone-modified high abrasion-resistant and high heat-resistant material as claimed in any one of claims 1 to 6, wherein the polytetrafluoroethylene has an average particle size of 2 to 50 μm.
9. The aromatic polyketone-modified high abrasion-resistant high heat-resistant material as claimed in claim 8, wherein the polytetrafluoroethylene has an average particle size of 2 to 10 μm.
10. The aromatic polyketone-modified high wear resistant high heat resistant material of claim 1, further comprising an antioxidant in an amount of 0.1 to 0.5% by weight; the antioxidant is selected from one or more of antioxidant 1010, antioxidant 1024 and antioxidant DLTP.
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| 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 |
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