CN115819908B - Alcohol-wiping-resistant high-impact PMMA composite material and preparation method thereof - Google Patents
Alcohol-wiping-resistant high-impact PMMA composite material and preparation method thereof Download PDFInfo
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- CN115819908B CN115819908B CN202211256941.2A CN202211256941A CN115819908B CN 115819908 B CN115819908 B CN 115819908B CN 202211256941 A CN202211256941 A CN 202211256941A CN 115819908 B CN115819908 B CN 115819908B
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 title claims abstract description 42
- 239000004926 polymethyl methacrylate Substances 0.000 title claims abstract description 42
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000314 lubricant Substances 0.000 claims abstract description 13
- 229920006147 copolyamide elastomer Polymers 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 3
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 229920002614 Polyether block amide Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 claims description 2
- 230000002075 anti-alcohol Effects 0.000 claims description 2
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 26
- 239000000126 substance Substances 0.000 abstract description 3
- 239000004952 Polyamide Substances 0.000 abstract description 2
- 239000004721 Polyphenylene oxide Substances 0.000 abstract description 2
- 238000002425 crystallisation Methods 0.000 abstract description 2
- 230000008025 crystallization Effects 0.000 abstract description 2
- 229920001971 elastomer Polymers 0.000 abstract description 2
- 239000000806 elastomer Substances 0.000 abstract description 2
- 229920002647 polyamide Polymers 0.000 abstract description 2
- 229920000570 polyether Polymers 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 abstract description 2
- 230000008961 swelling Effects 0.000 abstract description 2
- 238000011056 performance test Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000005303 weighing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an alcohol-wiping-resistant high-impact PMMA composite material and a preparation method thereof, wherein the alcohol-wiping-resistant high-impact PMMA composite material comprises the following preparation raw materials in parts by weight: PMMA resin: 68-88 parts of alcohol-resistant wiping improving agent: 10-30 parts of lubricant: 0.5-1 part of organic black dye: 0-1 part; the polyether-polyamide block copolymer is added into the formula system, wherein the polyether segment has good compatibility with PMMA, the compatibility of the PMMA and the polyether-polyamide block copolymer is provided, and the polyamide segment serving as a crystallization component exists in the system and can prevent chemical solvents such as alcohol from swelling the PMMA, so that the alcohol wiping resistance of the material is improved; meanwhile, the polyether-polyamide block copolymer is an elastomer, and can improve the toughness and the impact resistance of PMMA materials when being added into a system.
Description
Technical Field
The invention relates to the field of high polymer materials, in particular to an alcohol-wiping-resistant high-impact PMMA composite material and a preparation method thereof.
Background
With the development of automobile materials in recent years, more and more high-gloss black materials are applied to the field of automobile decoration parts, and the materials are favored by consumers because of the aesthetic appearance effect of piano black.
PMMA resins are generally used as base resins for high gloss black materials because of their excellent transparency (light transmittance > 92%), excellent weather resistance, aging resistance, and high tinting strength. However, when such materials are used, chemical resistance of the high gloss black material is required by general host factories, such as alcohol-resistant wiping of the materials. As is known, PMMA materials are easy to swell by alcohol, crack and whiten, and highlight materials can lose light and the like. Therefore, in order to improve the application defect of PMMA on the high-gloss black material, it is necessary to improve the alcohol wiping resistance of the PMMA material so as to reduce the risk of the material to fail during the use process. Meanwhile, PMMA material is very brittle, is easy to collide and break under the action of external force, and obviously does not meet the use requirement of automobile materials on interior and exterior trim parts, so that the toughness of PMMA material is also very necessary to be improved to meet the application requirement of PMMA material in automobile decorative materials.
Disclosure of Invention
The invention aims to: in order to overcome the problems in the prior art, the invention provides the alcohol-wiping-resistant high-impact PMMA composite material and the preparation method thereof, and the alcohol-wiping-resistant performance of the PMMA composite material is improved and the impact resistance of the PMMA composite material is effectively improved.
The technical scheme is as follows: in order to solve the technical problems, the invention adopts the following technical scheme: the alcohol-wiping-resistant high-impact PMMA composite material comprises the following preparation raw materials in parts by weight: PMMA resin: 68-88 parts of alcohol-resistant wiping improving agent: 10-30 parts of lubricant: 0.5-1 part of organic black dye: 0-1 part.
The PMMA resin is polymethyl methacrylate with the average molecular weight of 8-20 ten thousand. PMMA under the molecular weight can be used as PMMA plastic with better comprehensive performance, and the usability and the processability of the material are both considered.
Still further, the alcohol rub-resistant improver is a polyether-polyamide block copolymer.
Still further, the lubricant is one or more of pentaerythritol stearate PETS, ethylene bis-stearamide EBS.
The invention also discloses a preparation method of the alcohol wiping-resistant high-impact PMMA composite material, which comprises the following steps: and uniformly mixing PMMA resin, an alcohol-resistant wiping improver, a lubricant and an organic black dye, and then extruding and granulating to obtain the anti-alcohol-resistant anti-wiping paint.
Further, the extrusion granulation is performed by a twin-screw extruder.
Further, the extrusion temperature was set as follows: the temperature of the first area is 190-200 ℃, the temperature of the second area is 210-220 ℃, the temperature of the third area is 210-220 ℃, the temperature of the fourth area is 210-220 ℃, the temperature of the fifth area is 210-220 ℃, the temperature of the sixth area is 210-220 ℃, the temperature of the seventh area is 210-220 ℃, the temperature of the eighth area is 210-220 ℃, the temperature of the ninth area is 210-220 ℃, the temperature of the tenth area is 210-220 ℃, and the temperature of the machine head is 210-220 ℃.
The beneficial effects are that: the invention has the following advantages: according to the invention, the polyether-polyamide block copolymer is added into the formula system, wherein the polyether segment has good compatibility with PMMA, the compatibility of PMMA and the polyether-polyamide block copolymer is provided, and the polyamide segment serving as a crystallization component exists in the system and can prevent chemical solvents such as alcohol from swelling the PMMA, so that the alcohol wiping resistance of the material is improved; meanwhile, the polyether-polyamide block copolymer is an elastomer, and can improve the toughness and the impact resistance of PMMA materials when being added into a system.
Detailed Description
The invention is further illustrated by the following examples:
The sources of the raw materials used in the examples and comparative examples are as follows:
PMMA resin: CM-205, CM-207, zhenjiang Qimei;
polyether-polyamide block copolymer: PEBAX 30r51 sa01, abama france;
And (3) a lubricant: EBS, japan flower king;
Organic black dye: OB2-3, dongguan Meidi plastics technology Co., ltd.
Example 1:
Weighing CM-205:88.5 parts of PEBAX 30R51 SA01:10 parts of lubricant EBS:0.5 part of organic black dye OB2-3:1 part.
Uniformly mixing the weighed components in a high-speed mixer, extruding and granulating by a double-screw extruder, and setting the extrusion temperature: the first area temperature is 200 ℃, the second area temperature is 210 ℃, the third area temperature is 220 ℃, the fourth area temperature is 220 ℃, the fifth area temperature is 220 ℃, the sixth area temperature is 220 ℃, the seventh area temperature is 220 ℃, the eighth area temperature is 220 ℃, the ninth area temperature is 220 ℃, the tenth area temperature is 220 ℃, and the machine head temperature is 220 ℃, and the standard sample strip and the highlight sample plate are molded for a series of performance tests.
Example 2:
Weighing CM-205:78.5 parts, PEBAX 30R51 SA01:20 parts, lubricant EBS:0.5 part of organic black dye OB2-3:1 part.
Uniformly mixing the weighed components in a high-speed mixer, extruding and granulating by a double-screw extruder, and setting the extrusion temperature: the first area temperature is 200 ℃, the second area temperature is 210 ℃, the third area temperature is 220 ℃, the fourth area temperature is 220 ℃, the fifth area temperature is 220 ℃, the sixth area temperature is 220 ℃, the seventh area temperature is 220 ℃, the eighth area temperature is 220 ℃, the ninth area temperature is 220 ℃, the tenth area temperature is 220 ℃, and the machine head temperature is 220 ℃, and the standard sample strip and the highlight sample plate are molded for a series of performance tests.
Example 3:
Weighing CM-205:68.5 parts of PEBAX 30R51 SA01:30 parts, lubricant EBS:0.5 part of organic black dye OB2-3:1 part.
Uniformly mixing the weighed components in a high-speed mixer, extruding and granulating by a double-screw extruder, and setting the extrusion temperature: the first area temperature is 200 ℃, the second area temperature is 210 ℃, the third area temperature is 220 ℃, the fourth area temperature is 220 ℃, the fifth area temperature is 220 ℃, the sixth area temperature is 220 ℃, the seventh area temperature is 220 ℃, the eighth area temperature is 220 ℃, the ninth area temperature is 220 ℃, the tenth area temperature is 220 ℃, and the machine head temperature is 220 ℃, and the standard sample strip and the highlight sample plate are molded for a series of performance tests.
Example 4:
Weighing CM-207:68.5 parts of PEBAX 30R51 SA01:30 parts, lubricant EBS:0.5 part of organic black dye OB2-3:1 part.
Uniformly mixing the weighed components in a high-speed mixer, extruding and granulating by a double-screw extruder, and setting the extrusion temperature: the first area temperature is 200 ℃, the second area temperature is 210 ℃, the third area temperature is 220 ℃, the fourth area temperature is 220 ℃, the fifth area temperature is 220 ℃, the sixth area temperature is 220 ℃, the seventh area temperature is 220 ℃, the eighth area temperature is 220 ℃, the ninth area temperature is 220 ℃, the tenth area temperature is 220 ℃, and the machine head temperature is 220 ℃, and the standard sample strip and the highlight sample plate are molded for a series of performance tests.
Comparative example 1
The difference from examples 1-4 is that the polyether-polyamide block copolymer was not added and CM-207 was weighed: 98.5 parts of lubricant EBS:0.5 part of organic black dye OB2-3:1 part.
Uniformly mixing the weighed components in a high-speed mixer, extruding and granulating by a double-screw extruder, and setting the extrusion temperature: the first area temperature is 200 ℃, the second area temperature is 210 ℃, the third area temperature is 220 ℃, the fourth area temperature is 220 ℃, the fifth area temperature is 220 ℃, the sixth area temperature is 220 ℃, the seventh area temperature is 220 ℃, the eighth area temperature is 220 ℃, the ninth area temperature is 220 ℃, the tenth area temperature is 220 ℃, and the machine head temperature is 220 ℃, and the standard sample strip and the highlight sample plate are molded for a series of performance tests.
Test method and data:
The sample bars prepared in examples 1 to 4 and comparative example 1 were tested for tensile strength, elongation at break, flexural strength, flexural modulus, impact strength, jetness L value, gloss, and alcohol rub resistance by the following test methods:
tensile strength and elongation at break were tested using ISO 527-2;
flexural strength and flexural modulus were tested using ISO 178-2003;
impact strength was tested using ISO 180-2000;
the blackness L value is tested by adopting an L value of BYK test materials;
gloss the gloss (20 ° reflectance angle) was measured using a BYK or Konica Minolta triangle gloss tester.
Alcohol rub resistance: after wiping the surface of a highlight plate with a cloth immersed with alcohol (95% alcohol) for 100 times, vertically placing the sample in an indoor environment at the temperature of (23+/-2) ℃ for 1 hour, detecting the surface condition of the sample, and storing the sample in a damp-heat test box at the temperature of (90+/-2) ℃ for 1 hour, thereby detecting the state of the sample.
The specific test result data are shown in table 1:
table 1 material performance test data for examples and comparative examples
As can be seen from the data in Table 1, compared with comparative example 1, the impact resistance of PMMA material is obviously improved after PEBAXPEBAX 30R51 SA01 is added, meanwhile, after alcohol wiping is carried out on the high-gloss plate, the high-gloss plate can still maintain the high-gloss effect, and the addition of PEBAXPEBAX 30R51 SA01 is used for improving the alcohol wiping resistance of the material.
It should be noted that the above-mentioned embodiments illustrate rather than limit the scope of the application, and that those skilled in the art, after reading this disclosure, will be able to modify the application in various equivalent forms within the scope of the application as defined by the appended claims.
Claims (4)
1. The high impact PMMA composite material resistant to alcohol wiping is characterized by comprising the following preparation raw materials in parts by weight: PMMA resin: 68-78.5 parts of alcohol-resistant wiping improving agent: 20-30 parts of a lubricant: 0.5-1 part of organic black dye: 0-1 parts; the PMMA resin is polymethyl methacrylate with the average molecular weight of 8-20 ten thousand; the alcohol-resistant wiping improver is a polyether-polyamide block copolymer, in particular PEBAX 30R51 SA01 of Akema France; the lubricant is one or more of pentaerythritol stearate PETS and ethylene bis-stearamide EBS.
2. A method of preparing the alcohol wiping resistant high impact PMMA composite of claim 1, comprising the steps of: and uniformly mixing PMMA resin, an alcohol-resistant wiping improver, a lubricant and an organic black dye, and then extruding and granulating to obtain the anti-alcohol-resistant anti-wiping paint.
3. The method for preparing the alcohol wiping resistant high-impact PMMA composite material according to claim 2, which is characterized in that: and extruding and granulating by adopting a double-screw extruder.
4. The method for preparing the alcohol wiping resistant high-impact PMMA composite material according to claim 3, which is characterized in that: the extrusion temperature was set as follows: the first region temperature is 190-200 ℃, the second region temperature is 210-220 ℃, the third region temperature is 210-220 ℃, the fourth region temperature is 210-220 ℃, the fifth region temperature is 210-220 ℃, the sixth region temperature is 210-220 ℃, the seventh region temperature is 210-220 ℃, the eighth region temperature is 210-220 ℃, the ninth region temperature is 210-220 ℃, the tenth region temperature is 210-220 ℃, and the machine head temperature is 210-220 ℃.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211256941.2A CN115819908B (en) | 2022-10-14 | 2022-10-14 | Alcohol-wiping-resistant high-impact PMMA composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211256941.2A CN115819908B (en) | 2022-10-14 | 2022-10-14 | Alcohol-wiping-resistant high-impact PMMA composite material and preparation method thereof |
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| CN115819908A CN115819908A (en) | 2023-03-21 |
| CN115819908B true CN115819908B (en) | 2024-05-03 |
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| CN117624815A (en) * | 2024-01-25 | 2024-03-01 | 成都真彩塑胶原料有限公司 | Alcohol-soaking-resistant and heat-resistant PMMA composite material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1281006A (en) * | 1999-07-19 | 2001-01-24 | 阿托菲纳公司 | Composition with thermoplastic methacrylic acid (co) polymers as main component and shaping product obtained from said composition |
| WO2021205134A1 (en) * | 2020-04-10 | 2021-10-14 | Arkema France | Antistatic or dust-repellent poly(methyl methacrylate) composition |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3004455B1 (en) * | 2013-04-10 | 2015-03-27 | Arkema France | COMPOSITION BASED ON TRANSPARENT AND ANTISTATIC PMMA |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1281006A (en) * | 1999-07-19 | 2001-01-24 | 阿托菲纳公司 | Composition with thermoplastic methacrylic acid (co) polymers as main component and shaping product obtained from said composition |
| WO2021205134A1 (en) * | 2020-04-10 | 2021-10-14 | Arkema France | Antistatic or dust-repellent poly(methyl methacrylate) composition |
Non-Patent Citations (2)
| Title |
|---|
| Kumar B等.Optical,Morphological,Thermal,Mechanical,and Fungal Characterization of Wood Polymethyl Methacrylate Composites.《Instrumentation Science&Technology》.2007,第34卷(第1-2期),67-83. * |
| 丙烯酸树脂食品接触材料中16种单体迁移量的测定及迁移风险考察;《分析化学研究报告》;20151031(第10期);1573-1579 * |
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