CN111187513A - Reinforced polyphenylene sulfide composite material for sound absorption and damping and preparation method thereof - Google Patents
Reinforced polyphenylene sulfide composite material for sound absorption and damping and preparation method thereof Download PDFInfo
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- CN111187513A CN111187513A CN201911337869.4A CN201911337869A CN111187513A CN 111187513 A CN111187513 A CN 111187513A CN 201911337869 A CN201911337869 A CN 201911337869A CN 111187513 A CN111187513 A CN 111187513A
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- polyphenylene sulfide
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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
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
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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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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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Abstract
The invention discloses a reinforced polyphenylene sulfide composite material for sound absorption and damping and a preparation method thereof, wherein the composite material comprises the following components in parts by weight: 30-60 parts of polyphenylene sulfide resin, 10-30 parts of aramid chopped fiber, 5-20 parts of toughening agent and 0.5-2 parts of antioxidant. The aramid fiber and the viscoelastic toughening agent have a strong sound absorption effect, especially high-frequency noise. When sound waves are transmitted into the composite, the mechanical energy of the vibration is converted into heat energy due to the higher loss modulus of the viscoelastic toughening agent. Meanwhile, the aramid fiber further limits the vibration of sound waves, so that the sound absorption and damping effects are achieved. The invention is suitable for electronic and electric products and automobile products with higher requirements on sound insulation, and has the advantages of direct injection molding and simplified molding process.
Description
Technical Field
The invention relates to a reinforced polyphenylene sulfide composite material for sound absorption and damping, and belongs to the technical field of polymer composite materials.
Background
At present, most of sound absorption devices adopt sound absorption layers such as sound absorption sponges, rubber and the like to be adhered to the surfaces of parts or devices needing sound absorption treatment, and the treatment method has large limitation on space and complex process.
Disclosure of Invention
The invention aims to provide a sound absorption damping reinforced polyphenylene sulfide composite material.
The purpose of the invention is realized by the following technical scheme.
A reinforced polyphenylene sulfide composite material for sound absorption and damping is composed of the following raw materials in parts by weight: 30-60 parts of polyphenylene sulfide resin, 10-30 parts of aramid chopped fiber, 5-20 parts of toughening agent and 0.5-2 parts of antioxidant.
In the reinforced polyphenylene sulfide composite material, the reinforcing agent,
the main material polyphenylene sulfide resin comprises linear polyphenylene sulfide resin as a specific component; preferably, the melt index of the polyphenylene sulfide resin is about 800(g/10 min).
The aramid chopped fibers in the auxiliary materials are chopped fibers with the length of 3-7 mm; preferably, the aramid fiber is aramid 1414.
The toughening agent is a viscoelastic toughening agent; preferably, the toughening agent is a ternary random copolymer of Ethylene (Ethylene), Methyl acrylate (Methyl acrylate), and Glycidyl Methacrylate (GMA).
The antioxidant is a hindered phenol antioxidant and/or a phosphite antioxidant which can resist 300 ℃.
The reinforced polyphenylene sulfide composite material for sound absorption and damping comprises the following steps:
(1) according to the mass parts, 30-60 parts of polyphenylene sulfide resin, 5-20 parts of toughening agent and 0.5-2 parts of antioxidant are uniformly premixed to obtain a mixture;
(2) and (3) putting the mixture into an extruder through a main feeding port and 10-30 parts of aramid chopped fiber through a side feeding port, and carrying out melt blending and extrusion granulation to obtain the sound absorption and damping reinforced polyphenylene sulfide composite material.
In the step (2), the heating temperature of the extruder is as follows: the temperature of the first zone is 210-280 ℃, the temperature of the second zone is 260-300 ℃, the temperature of the third zone is 270-310 ℃, the temperature of the fourth zone is 270-310 ℃, the temperature of the fifth zone is 270-310 ℃, the temperature of the sixth zone is 270-310 ℃, the temperature of the seventh zone is 270-310 ℃, the temperature of the eighth zone is 270-310 ℃, the temperature of the ninth zone is 260-300 ℃ and the temperature of the head is 260-300 ℃.
The composite material of the invention has strong sound absorption effect, especially high-frequency noise, by introducing the aramid fiber and the viscoelastic toughening agent. When sound waves are transmitted into the composite, the mechanical energy of the vibration is converted into heat energy due to the higher loss modulus of the viscoelastic toughening agent. Meanwhile, the aramid fiber further limits the vibration of sound waves, so that the sound absorption and damping effects are achieved. The invention is suitable for electronic and electric products and automobile products with higher requirements on sound insulation, and has the advantages of direct injection molding and simplified molding process.
Drawings
FIG. 1 is a schematic view of a sample testing device of the present invention;
in the figure, 1, a mute box; 2. a decibel meter; 3. a test board; 4. a source of noise.
Detailed Description
In order to make the technical solution of the present invention clearer and more clear, the present invention is further described below, and any solution obtained by substituting technical features of the technical solution of the present invention with equivalents and performing conventional reasoning falls within the scope of the present invention.
Example one
A sound absorption damping reinforced polyphenylene sulfide composite material comprises the following components in parts by weight: 98 parts of polyphenylene sulfide resin and 2 parts of antioxidant;
example two
A sound absorption damping reinforced polyphenylene sulfide composite material comprises the following components in parts by weight: 78 parts of polyphenylene sulfide resin, 20 parts of aramid chopped fiber and 2 parts of antioxidant;
EXAMPLE III
A sound absorption damping reinforced polyphenylene sulfide composite material comprises the following components in parts by weight: 78 parts of polyphenylene sulfide resin, 15 parts of toughening agent and 2 parts of antioxidant;
example four
A sound absorption damping reinforced polyphenylene sulfide composite material comprises the following components in parts by weight: 63 parts of polyphenylene sulfide resin, 20 parts of aramid chopped fiber, 15 parts of toughening agent and 2 parts of antioxidant;
the plastic granules prepared in the above manner were injection moulded to give a 150 x 100 x 4mm test panel which was placed in the position shown in figure 1 below: the device comprises a silent box, wherein one side of the silent box is provided with an opening, a test sample plate is placed in the silent box, and a noise source is arranged in the silent box; and a decibel meter is arranged on the outer side of the silence box corresponding to the test sample plate.
The results of detecting acoustic damping are as follows:
table-Sound absorption damping test result comparison
Claims (10)
1. The utility model provides a reinforcing polyphenylene sulfide composite for sound absorption damping which characterized in that: the composition comprises the following raw materials in parts by weight: 30-60 parts of polyphenylene sulfide resin, 10-30 parts of aramid chopped fiber, 5-20 parts of toughening agent and 0.5-2 parts of antioxidant.
2. An enhanced polyphenylene sulfide composite for acoustic damping according to claim 1 wherein: the main material polyphenylene sulfide resin comprises linear polyphenylene sulfide resin.
3. An enhanced polyphenylene sulfide composite for acoustic damping according to claim 1 wherein: the melt index of the polyphenylene sulfide resin is 800(g/10 min).
4. An enhanced polyphenylene sulfide composite for acoustic damping according to claim 1 wherein: the auxiliary material is formed by short aramid fibers of 3-7 mm.
5. An enhanced polyphenylene sulfide composite for acoustic damping according to claim 4 wherein: the aramid fiber is aramid fiber 1414.
6. An enhanced polyphenylene sulfide composite for acoustic damping according to claim 1 wherein: the toughening agent is a viscoelastic toughening agent.
7. An enhanced polyphenylene sulfide composite for acoustic damping according to claim 6 wherein: the toughening agent is a ternary random copolymer of Ethylene (Ethylene), Methyl acrylate (Methyl acrylate) and Glycidyl Methacrylate (GMA).
8. An enhanced polyphenylene sulfide composite for acoustic damping according to claim 1 wherein: the antioxidant is a hindered phenol antioxidant and/or a phosphite antioxidant which can resist 300 ℃.
9. Enhanced polyphenylene sulfide composite for acoustic damping according to any of claims 1-8, characterised in that: the method comprises the following steps:
(1) according to the mass parts, 30-60 parts of polyphenylene sulfide resin, 5-20 parts of toughening agent and 0.5-2 parts of antioxidant are uniformly premixed to obtain a mixture;
(2) and (3) putting the mixture into an extruder through a main feeding port and 10-30 parts of aramid chopped fiber through a side feeding port, and carrying out melt blending and extrusion granulation to obtain the sound absorption and damping reinforced polyphenylene sulfide composite material.
10. The method of preparing the reinforced polyphenylene sulfide composite material for acoustic damping as recited in claim 9, wherein: in the step (2), the heating temperature of the extruder is as follows: the temperature of the first zone is 210-280 ℃, the temperature of the second zone is 260-300 ℃, the temperature of the third zone is 270-310 ℃, the temperature of the fourth zone is 270-310 ℃, the temperature of the fifth zone is 270-310 ℃, the temperature of the sixth zone is 270-310 ℃, the temperature of the seventh zone is 270-310 ℃, the temperature of the eighth zone is 270-310 ℃, the temperature of the ninth zone is 260-300 ℃ and the temperature of the head is 260-300 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337869.4A CN111187513A (en) | 2019-12-23 | 2019-12-23 | Reinforced polyphenylene sulfide composite material for sound absorption and damping and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337869.4A CN111187513A (en) | 2019-12-23 | 2019-12-23 | Reinforced polyphenylene sulfide composite material for sound absorption and damping and preparation method thereof |
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| CN111187513A true CN111187513A (en) | 2020-05-22 |
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| CN201911337869.4A Pending CN111187513A (en) | 2019-12-23 | 2019-12-23 | Reinforced polyphenylene sulfide composite material for sound absorption and damping and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01204735A (en) * | 1988-02-09 | 1989-08-17 | Nec Corp | Fiber reinforced composite material |
| US20060137799A1 (en) * | 2004-12-29 | 2006-06-29 | Enamul Haque | Thermoplastic composites with improved sound absorbing capabilities |
| US20060225952A1 (en) * | 2003-08-25 | 2006-10-12 | Akira Takayasu | Sound absorbing material |
| CN105860525A (en) * | 2016-06-07 | 2016-08-17 | 安徽新华学院 | Low-smell polyphenylene sulfide composite and preparation method thereof |
| CN109651814A (en) * | 2018-11-28 | 2019-04-19 | 中广核俊尔新材料有限公司 | A kind of high activeness and quietness type polyphenyl thioether composite material and preparation method thereof |
-
2019
- 2019-12-23 CN CN201911337869.4A patent/CN111187513A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01204735A (en) * | 1988-02-09 | 1989-08-17 | Nec Corp | Fiber reinforced composite material |
| US20060225952A1 (en) * | 2003-08-25 | 2006-10-12 | Akira Takayasu | Sound absorbing material |
| US20060137799A1 (en) * | 2004-12-29 | 2006-06-29 | Enamul Haque | Thermoplastic composites with improved sound absorbing capabilities |
| CN101163827A (en) * | 2004-12-29 | 2008-04-16 | 欧文斯科宁知识产权资产有限公司 | Thermoplastic composites with improved sound absorbing capabilities |
| CN105860525A (en) * | 2016-06-07 | 2016-08-17 | 安徽新华学院 | Low-smell polyphenylene sulfide composite and preparation method thereof |
| CN109651814A (en) * | 2018-11-28 | 2019-04-19 | 中广核俊尔新材料有限公司 | A kind of high activeness and quietness type polyphenyl thioether composite material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 蒋洁等: "短切高性能纤维增强三聚氰胺甲醛泡沫性能研究", 《塑料工业》 * |
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Application publication date: 20200522 |
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