CN116948380B - High-temperature-resistant engineering plastic and preparation method thereof - Google Patents
High-temperature-resistant engineering plastic and preparation method thereof Download PDFInfo
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- CN116948380B CN116948380B CN202311211634.7A CN202311211634A CN116948380B CN 116948380 B CN116948380 B CN 116948380B CN 202311211634 A CN202311211634 A CN 202311211634A CN 116948380 B CN116948380 B CN 116948380B
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- 229920006351 engineering plastic Polymers 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 22
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims abstract description 20
- LCDOENXNMQXGFS-UHFFFAOYSA-N phenoxybenzene;prop-2-enoic acid Chemical compound OC(=O)C=C.C=1C=CC=CC=1OC1=CC=CC=C1 LCDOENXNMQXGFS-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 239000000919 ceramic Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 9
- 229920003023 plastic Polymers 0.000 claims abstract description 9
- 239000004033 plastic Substances 0.000 claims abstract description 9
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 5
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 5
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 5
- 239000004014 plasticizer Substances 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 14
- 239000011347 resin Substances 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 11
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 6
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 3
- UTGQNNCQYDRXCH-UHFFFAOYSA-N N,N'-diphenyl-1,4-phenylenediamine Chemical compound C=1C=C(NC=2C=CC=CC=2)C=CC=1NC1=CC=CC=C1 UTGQNNCQYDRXCH-UHFFFAOYSA-N 0.000 claims description 3
- 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 3
- 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
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 3
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 claims description 3
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 3
- AXRSHKZFNKUGQB-UHFFFAOYSA-N octyl diphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OCCCCCCCC)OC1=CC=CC=C1 AXRSHKZFNKUGQB-UHFFFAOYSA-N 0.000 claims description 3
- -1 phenyl ether acrylic ester Chemical class 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- 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
Abstract
The invention relates to the technical field of plastic materials, and provides a high-temperature-resistant engineering plastic and a preparation method thereof, wherein the raw materials comprise the following components in parts by weight: 80-100 parts of plastic base material, 15-25 parts of ceramic fiber, 2-4 parts of poly (ethylene glycol) phenyl ether acrylate, 4-8 parts of ethylene bis stearamide, 1-3 parts of antioxidant, 9-15 parts of plasticizer and 1-3 parts of heat stabilizer. Through the technical scheme, the problem of low high temperature resistance of engineering plastics in the related technology is solved.
Description
Technical Field
The invention relates to the technical field of plastic materials, in particular to a high-temperature-resistant engineering plastic and a preparation method thereof.
Background
The engineering plastic can be used as engineering material and plastic for replacing metal manufacture, parts and the like, the common engineering plastic is made of PC resin, ABS resin and the like, the ABS resin has super-strong workability, low creep property and excellent dimensional stability, and the PC resin has good mechanical properties but poor flow properties, so that the composite material of the ABS resin and the PC resin is often used as the base material of the engineering plastic in actual production.
However, engineering plastics are high polymer materials, and can not well replace metal manufacture and corresponding parts in some scenes due to low high temperature resistance in the application process. Therefore, the high temperature resistance of engineering plastics needs to be improved, and the application range of the engineering plastics is further widened.
Disclosure of Invention
The invention provides a high-temperature-resistant engineering plastic and a preparation method thereof, which solve the problem of low high-temperature resistance of engineering plastics in the related technology.
The technical scheme of the invention is as follows:
the high-temperature-resistant engineering plastic comprises the following raw materials in parts by weight: 80-100 parts of plastic base material, 15-25 parts of ceramic fiber, 2-4 parts of poly (ethylene glycol) phenyl ether acrylate, 4-8 parts of ethylene bis stearamide, 1-3 parts of antioxidant, 9-15 parts of plasticizer and 1-3 parts of heat stabilizer.
As a further technical scheme, the plastic base material consists of PC resin and ABS resin.
As a further technical scheme, the mass ratio of the PC resin to the ABS resin is 3-7:1
As a further technical scheme, the mass ratio of the PC resin to the ABS resin is 4:1.
The plastic base stock consists of the PC resin and the ABS resin, and the mass ratio of the PC resin to the ABS resin is optimized, so that the flow property in the preparation process is improved, and the residual stress in engineering plastics is reduced.
As a further technical scheme, the mass ratio of the poly (ethylene glycol) phenyl ether acrylic ester to the ethylene bis stearamide is 0.2-1:1.
As a further technical scheme, the mass ratio of the poly (ethylene glycol) phenyl ether acrylic ester to the ethylene bis stearamide is 0.5:1.
The invention can further improve the notch impact strength of engineering plastics by limiting the mass ratio of the poly (ethylene glycol) phenyl ether acrylate to the ethylene bis stearamide to be 0.5:1, and ensure that the engineering plastics have high temperature resistance and higher notch impact resistance.
As a further technical scheme, the antioxidant comprises one or more of antioxidant 1076, antioxidant 168 and antioxidant 1010.
As a further technical scheme, the plasticizer is one or more of dibutyl phthalate, diisononyl phthalate and dioctyl phthalate.
As a further technical scheme, the heat stabilizer comprises one or more of diphenyl p-phenylenediamine, octyldiphenyl phosphite and triphenyl phosphite.
The invention also discloses a preparation method of the high-temperature-resistant engineering plastic, which comprises the following steps of: after the components in the raw materials are mixed, the high-temperature-resistant engineering plastic is obtained through melt extrusion and granulation.
As a further technical scheme, the extrusion is extrusion by using a double screw extruder.
As a further technical scheme, the technological parameters of the twin-screw extruder during extrusion are that the temperature of the first area is 220-240 ℃, the temperature of the second area is 235-245 ℃, the temperature of the third area is 240-250 ℃, the temperature of the fourth area is 230-250 ℃, and the temperature of the machine head is 230-240 ℃.
The working principle and the beneficial effects of the invention are as follows:
in the invention, the ceramic fiber is added into the engineering plastic, and is a silicon carbide fiber, so that the high temperature resistance is high, the ceramic fiber is added into the engineering plastic, the high temperature resistance of the engineering plastic can be effectively improved, and the problem of the reduction of the impact resistance of the engineering plastic caused by the addition of the ceramic fiber is solved by adding the poly (ethylene glycol) phenyl ether acrylate and the ethylene bis stearamide, and the notch impact strength of the engineering plastic is improved, wherein the addition of the poly (ethylene glycol) phenyl ether acrylate improves the heat deformation temperature of the engineering plastic, so that the high temperature resistance of the engineering plastic is improved.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The preparation method of the high-temperature-resistant engineering plastic comprises the following steps:
adding 64 parts of PC resin, 16 parts of ABS resin, 15 parts of ceramic fiber, 2 parts of poly (ethylene glycol) phenyl ether acrylate, 4 parts of ethylene bis stearamide, 1 part of antioxidant 168, 9 parts of dibutyl phthalate and 1 part of diphenyl p-phenylenediamine into a double screw extruder, and carrying out melting and extrusion to obtain high-temperature-resistant engineering plastics; wherein the technological parameters during extrusion are as follows: the temperature of the first area is 220 ℃, the temperature of the second area is 235 ℃, the temperature of the third area is 240 ℃, the temperature of the fourth area is 230 ℃, and the temperature of the machine head is 230 ℃.
Example 2
The preparation method of the high-temperature-resistant engineering plastic comprises the following steps:
adding 72 parts of PC resin, 18 parts of ABS resin, 20 parts of ceramic fiber, 3 parts of poly (ethylene glycol) phenyl ether acrylate, 6 parts of ethylene bis stearamide, 2 parts of antioxidant 1076, 12 parts of diisononyl phthalate and 2 parts of diphenyl octyl phosphite into a double-screw extruder, and melting and extruding to obtain high-temperature-resistant engineering plastic; wherein the technological parameters during extrusion are as follows: the temperature of the first area is 230 ℃, the temperature of the second area is 240 ℃, the temperature of the third area is 245 ℃, the temperature of the fourth area is 240 ℃, and the temperature of the machine head is 235 ℃.
Example 3
The preparation method of the high-temperature-resistant engineering plastic comprises the following steps:
adding 80 parts of PC resin, 20 parts of ABS resin, 25 parts of ceramic fiber, 4 parts of poly (ethylene glycol) phenyl ether acrylate, 8 parts of ethylene bis stearamide, 3 parts of antioxidant 1010, 15 parts of dioctyl phthalate and 3 parts of triphenyl phosphite into a double-screw extruder, and carrying out melting and extrusion to obtain high-temperature-resistant engineering plastics; wherein the technological parameters during extrusion are as follows: the temperature of the first area is 240 ℃, the temperature of the second area is 245 ℃, the temperature of the third area is 250 ℃, the temperature of the fourth area is 250 ℃, and the temperature of the machine head is 240 ℃.
Example 4
Example 4 differs from example 1 in that 1 part of poly (ethylene glycol) phenyl ether acrylate, 5 parts of ethylene bis stearamide.
Example 5
Example 5 differs from example 1 in that 3 parts of poly (ethylene glycol) phenyl ether acrylate, 3 parts of ethylene bis stearamide.
Example 6
Example 6 is different from example 1 in that 70 parts of PC resin and 10 parts of ABS resin are used.
Example 7
Example 6 is different from example 1 in 60 parts of PC resin and 20 parts of ABS resin.
Comparative example 1
Comparative example 1 differs from example 1 in that poly (ethylene glycol) phenyl ether acrylate and ethylene bis stearamide are not added.
Comparative example 2
Comparative example 2 differs from example 1 in that poly (ethylene glycol) phenyl ether acrylate was not added.
Comparative example 3
Comparative example 3 differs from example 1 in that no ethylene bis stearamide was added.
Comparative example 4
Comparative example 4 differs from example 1 in that no ceramic fiber was added.
Test examples
The notched impact strength and heat distortion temperature of the high temperature resistant engineering plastics prepared in examples 1 to 7 and comparative examples 1 to 4 were measured as follows:
notched impact strength: the test is carried out according to ASTM D-256, the notch type is A, and the spline thickness is 1/8';
heat distortion temperature: the test is carried out according to ASTM D-648, the load is 1.82Mpa, and the span is 100mm;
the measurement results are shown in Table 1.
Table 1 results of performance test of high temperature resistant engineering plastics in examples and comparative examples
As a result of comparative example 4 without ceramic fiber added, compared to example 1, the heat distortion temperature of comparative example 4 was lower than that of example 1, indicating that the addition of ceramic fiber increased the heat distortion temperature of the engineering plastic, but the notched impact strength of example 1 was lower than that of example 1, indicating that the addition of ceramic fiber increased the heat distortion temperature but resulted in a decrease in notched impact strength.
Examples 4-5, compared to example 1, changed the ratio of poly (ethylene glycol) phenyl ether acrylate to ethylene bis-stearamide, and as a result, examples 4-5 all had lower notched impact strength than example 1, indicating that limiting the mass ratio of poly (ethylene glycol) phenyl ether acrylate to ethylene bis-stearamide to 1:2, further improved notched impact strength of high temperature resistant engineering plastics.
Compared with example 1, comparative example 1 was free of poly (ethylene glycol) phenyl ether acrylate and ethylene bis stearamide, comparative example 2 was free of poly (ethylene glycol) phenyl ether acrylate and comparative example 3 was free of ethylene bis stearamide, and as a result, the notched impact strength of the high temperature resistant engineering plastics prepared in comparative examples 1-3 was lower than that of example 1, indicating that the notched impact strength of engineering plastics could be further improved by the simultaneous addition of poly (ethylene glycol) phenyl ether acrylate and ethylene bis stearamide.
The engineering plastics of example 4, comparative examples 1 to 2 and comparative example 4 each have a lower heat distortion temperature than that of example 1, indicating that the addition of poly (ethylene glycol) phenyl ether acrylate and ceramic fiber can increase the heat distortion temperature of the engineering plastics.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The high-temperature-resistant engineering plastic is characterized by comprising the following raw materials in parts by weight: 80-100 parts of plastic base material, 15-25 parts of ceramic fiber, 2-4 parts of poly (ethylene glycol) phenyl ether acrylate, 4-8 parts of ethylene bis stearamide, 1-3 parts of antioxidant, 9-15 parts of plasticizer and 1-3 parts of heat stabilizer; the plastic base material consists of PC resin and ABS resin; the mass ratio of the poly (ethylene glycol) phenyl ether acrylic ester to the ethylene bis stearamide is 0.2-1:1.
2. The high temperature resistant engineering plastic of claim 1 wherein said antioxidant comprises one or more of antioxidant 1076, antioxidant 168, antioxidant 1010.
3. The high temperature resistant engineering plastic according to claim 1, wherein the plasticizer is one or more of dibutyl phthalate, diisononyl phthalate and dioctyl phthalate.
4. The high temperature resistant engineering plastic of claim 1 wherein said heat stabilizer comprises one or more of diphenyl-p-phenylenediamine, octyldiphenyl phosphite, triphenyl phosphite.
5. The method for preparing the high temperature resistant engineering plastic according to claim 1, which is characterized by comprising the following steps: after the components in the raw materials are mixed, the high-temperature-resistant engineering plastic is obtained through melt extrusion and granulation.
6. The method of claim 5, wherein the extruding is performed by a twin screw extruder.
7. The method for preparing high temperature resistant engineering plastics according to claim 6, wherein the technological parameters of the twin screw extruder during extrusion are that the temperature of the first zone is 220-240 ℃, the temperature of the second zone is 235-245 ℃, the temperature of the third zone is 240-250 ℃, the temperature of the fourth zone is 230-250 ℃, and the temperature of the machine head is 230-240 ℃.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311211634.7A CN116948380B (en) | 2023-09-20 | 2023-09-20 | High-temperature-resistant engineering plastic and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311211634.7A CN116948380B (en) | 2023-09-20 | 2023-09-20 | High-temperature-resistant engineering plastic and preparation method thereof |
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| CN116948380A CN116948380A (en) | 2023-10-27 |
| CN116948380B true CN116948380B (en) | 2023-11-24 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101175804A (en) * | 2005-08-31 | 2008-05-07 | 通用电气公司 | High flow polyester composition |
| KR20220006021A (en) * | 2021-12-24 | 2022-01-14 | 아그니코리아 주식회사 | Fireproof expandable composition with improved cold impact strength and low temperature flexibility, and application products using this composition |
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- 2023-09-20 CN CN202311211634.7A patent/CN116948380B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101175804A (en) * | 2005-08-31 | 2008-05-07 | 通用电气公司 | High flow polyester composition |
| KR20220006021A (en) * | 2021-12-24 | 2022-01-14 | 아그니코리아 주식회사 | Fireproof expandable composition with improved cold impact strength and low temperature flexibility, and application products using this composition |
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| CN116948380A (en) | 2023-10-27 |
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