CN115491034A - Rapid crystalline polyphenylene sulfide composite material and preparation method thereof - Google Patents
Rapid crystalline polyphenylene sulfide composite material and preparation method thereof Download PDFInfo
- Publication number
- CN115491034A CN115491034A CN202211371559.6A CN202211371559A CN115491034A CN 115491034 A CN115491034 A CN 115491034A CN 202211371559 A CN202211371559 A CN 202211371559A CN 115491034 A CN115491034 A CN 115491034A
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- CN
- China
- Prior art keywords
- polyphenylene sulfide
- composite material
- sulfide composite
- glass fiber
- polyarylate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004734 Polyphenylene sulfide Substances 0.000 title claims abstract description 78
- 229920000069 polyphenylene sulfide Polymers 0.000 title claims abstract description 78
- 239000002131 composite material Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000003365 glass fiber Substances 0.000 claims abstract description 23
- 238000002425 crystallisation Methods 0.000 claims abstract description 22
- 230000008025 crystallization Effects 0.000 claims abstract description 22
- 229920001230 polyarylate Polymers 0.000 claims abstract description 21
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 8
- 239000000155 melt Substances 0.000 claims description 9
- 230000009477 glass transition Effects 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000006082 mold release agent Substances 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- 239000004014 plasticizer Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000011347 resin Substances 0.000 description 11
- 229920005989 resin Polymers 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000001746 injection moulding Methods 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
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 238000012360 testing method Methods 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
- 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
-
- 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 belongs to the technical field of composite materials. The invention provides a rapid crystalline polyphenylene sulfide composite material which comprises the following components in percentage by mass: 45 to 75 percent of polyphenylene sulfide; 0.3 to 1.5 percent of polyarylate; 20 to 50 percent of glass fiber; 0.3 to 5 percent of processing aid. The invention also provides a preparation method of the rapid crystalline polyphenylene sulfide composite material. The polyphenylene sulfide composite material has the advantages of high crystallization rate, short molding period, excellent mechanical property and heat resistance, high strength and high rigidity, and is suitable for manufacturing electronic and electrical products, mechanical products, automobile parts and other heat-resistant products.
Description
Technical Field
The invention relates to the technical field of composite materials, in particular to a fast crystalline polyphenylene sulfide composite material and a preparation method thereof.
Background
Polyphenylene Sulfide (PPS) is also called polyphenylene sulfide or polyphenylene sulfide. Because a large number of benzene rings exist on the PPS main chain, the rigidity of the material is increased, so that the unmodified polyphenylene sulfide material has the defects of higher brittleness, poorer mechanical property and lower heat-resistant temperature, and the application of the material is greatly limited. The mechanical property and heat resistance of polyphenylene sulfide can be improved by modifying polyphenylene sulfide with glass fiber or inorganic mineral filler, and the thermal deformation temperature can reach 260 ℃.
Due to the particularity of the molecular structure of polyphenylene sulfide, the polyphenylene sulfide has a plurality of unique properties which are mainly represented by: excellent thermal stability, chemical stability, dimensional stability, corrosion resistance and electrical property, excellent physical and mechanical properties, good adhesive property and excellent flame retardance. Polyphenylene sulfide can be blended and modified, and has wide application in the fields of automobile manufacturing, electronics and electrics, chemical industry, instrument and instrument, aerospace industry and the like. However, because the polyphenylene sulfide material has the characteristics that the mold temperature is required to be higher than 130 ℃ in the injection molding process, the injection molding time is long enough to ensure the performance of the material, otherwise, the strength and the heat resistance of the material are affected. At present, limited by forming equipment, many enterprises can hardly ensure that the temperature of the die reaches 130 ℃. The polyphenylene sulfide material has the defects of slow crystallization rate, high mold temperature, long molding period and the like in the molding process, so that the application of the polyphenylene sulfide material is limited to a certain extent.
With the continuous expansion of the usage of polyphenylene sulfide materials, especially the application in electronic and electrical appliances and mechanical parts, more and more enterprises are demanding to improve the processability of polyphenylene sulfide. Therefore, the research and development of the polyphenylene sulfide composite material with high crystallization rate, low requirement on the temperature of a forming die and good mechanical property has important significance.
Disclosure of Invention
The invention aims to provide a fast crystalline polyphenylene sulfide composite material and a preparation method thereof aiming at the defects of the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a fast crystalline polyphenylene sulfide composite material which comprises the following components in percentage by mass:
preferably, the fast-crystalline polyphenylene sulfide composite material comprises the following components in percentage by mass:
preferably, the polyphenylene sulfide has a melt flow rate of 200 to 800g/10min.
Preferably, the polyarylate is aromatic polyester with a linear amorphous structure, and the glass transition temperature is more than or equal to 190 ℃.
Preferably, the glass fiber is chopped glass fiber, the length of the glass fiber is 3-5 mm, and the monofilament diameter is 10-13 μm.
Preferably, the processing aid comprises one or more of a plasticizer, a stabilizer, a mold release agent, a dye, a pigment and a filler.
The invention also provides a preparation method of the rapid crystallization polyphenylene sulfide composite material, which is characterized in that polyphenylene sulfide, polyarylate, glass fiber and processing aid are blended to obtain the rapid crystallization polyphenylene sulfide composite material.
The beneficial effects of the invention include:
the polyphenylene sulfide composite material has the advantages of high crystallization rate, short molding period, excellent mechanical property and heat resistance, high strength and high rigidity, and is suitable for manufacturing electronic and electrical products, mechanical products, automobile parts and other heat-resistant products.
Detailed Description
The invention provides a rapid crystalline polyphenylene sulfide composite material which comprises the following components in percentage by mass:
the polyphenylene sulfide composite material of the present invention contains 45 to 75% of polyphenylene sulfide (polyphenylene sulfide resin), preferably 50 to 70%, more preferably 55 to 68%, and still more preferably 60 to 65%.
The melt flow rate of the polyphenylene sulfide is preferably 200-800 g/10min, more preferably 300-600 g/10min, and even more preferably 400-500 g/10min; the melt flow rate of polyphenylene sulfide was measured at 316 ℃ for 5kg of polyphenylene sulfide.
The polyphenylene sulfide composite material of the present invention contains 0.3 to 1.5% of polyarylate, preferably 0.4 to 1.2%, and more preferably 0.5 to 1.0%.
The polyarylate is preferably aromatic polyester with a linear amorphous structure, and the glass transition temperature is preferably more than or equal to 190 ℃.
The polyphenylene sulfide composite material of the present invention contains 20 to 50% of glass fiber, preferably 25 to 45%, more preferably 28 to 40%, and still more preferably 30 to 35%.
The glass fiber is preferably chopped glass fiber, the length of the glass fiber is preferably 3-5 mm, and the monofilament diameter is preferably 10-13 μm.
The polyphenylene sulfide composite material of the present invention contains 0.3 to 5% of a processing aid, preferably 1 to 4.5%, more preferably 1.5 to 4%, and still more preferably 2 to 3%.
The processing aid of the invention preferably comprises one or more of a plasticizer, a stabilizer, a mold release agent, a dye, a pigment and a filler.
The invention also provides a preparation method of the rapid crystallization polyphenylene sulfide composite material, which is characterized in that polyphenylene sulfide, polyarylate, glass fiber and processing aid are blended to obtain the rapid crystallization polyphenylene sulfide composite material.
In the present invention, the blending means preferably comprises extrusion, hot rolling, kneading or mixing, and the extrusion is preferably single screw extrusion or twin screw extrusion.
The technical solutions provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention.
The raw material components in the examples were sourced as follows:
polyphenylene sulfide resin: shandong Binshi group, limited liability company;
glass fiber: a boulder fiberglass;
polyarylate ester: u-100 with a glass transition temperature of 195 ℃ and company Unitika, japan;
pentaerythritol stearate (PETS), shanghai Langtze industries, inc.
The invention adopts a double screw extruder (L/D = 40) for granulation, other raw materials except glass fiber are mixed in a high-speed mixer and then are added from a main feeding port of the extruder, the glass fiber is added from a side feeding port of the extruder, the temperature of the extruder is set to be 240-330 ℃, and the granular polyphenylene sulfide resin composition is obtained through melting, extruding, cooling and granulating.
Example 1
59.2kg of polyphenylene sulfide resin with a melt flow rate of 250g/10min, 0.5kg of polyarylate, 40kg of glass fiber with a length of 5mm and a monofilament diameter of 10 mu m, and 0.3kg of pentaerythritol stearate were extruded and granulated by a twin-screw extruder to obtain a rapidly-crystallized polyphenylene sulfide composite material.
Example 2
58.7kg of polyphenylene sulfide resin with a melt flow rate of 450g/10min, 1kg of polyarylate, 40kg of glass fiber with a length of 3mm and a monofilament diameter of 10 mu m, and 0.3kg of pentaerythritol stearate were extruded and granulated by a twin-screw extruder to obtain a rapidly-crystallized polyphenylene sulfide composite material.
Example 3
69.2kg of polyphenylene sulfide resin with a melt flow rate of 350g/10min, 0.5kg of polyarylate, 30kg of glass fiber with a length of 5mm and a monofilament diameter of 13 μm, and 0.3kg of pentaerythritol stearate were extruded and granulated by a twin-screw extruder to obtain a rapidly-crystallized polyphenylene sulfide composite material.
Example 4
68.7kg of polyphenylene sulfide resin with a melt flow rate of 400g/10min, 1kg of polyarylate, 30kg of glass fiber with the length of 3mm and the monofilament diameter of 13 mu m, and 0.3kg of pentaerythritol stearate were extruded and granulated by a twin-screw extruder to obtain a rapidly-crystallized polyphenylene sulfide composite material.
Example 5
49.2kg of polyphenylene sulfide resin with a melt flow rate of 320g/10min, 0.5kg of polyarylate, 50kg of glass fiber with a length of 5mm and a filament diameter of 10 μm, and 0.3kg of pentaerythritol stearate were extruded and pelletized by a twin-screw extruder to obtain a rapidly-crystallized polyphenylene sulfide composite.
Comparative example 1
The mass of the polyphenylene sulfide resin in example 1 was changed to 59.7kg, and the polyarylate in example 1 was omitted, and the other conditions were the same as in example 1.
Comparative example 2
The mass of the polyphenylene sulfide resin in example 1 was changed to 57.7kg, and the mass of the polyarylate was changed to 2kg, under the same conditions as in example 1.
Comparative example 3
The mass of the polyphenylene sulfide resin in example 3 was changed to 69.7kg, and the polyarylate in example 3 was omitted, and the other conditions were the same as in example 3.
Comparative example 4
The mass of the polyphenylene sulfide resin in example 5 was changed to 49.7kg, and the polyarylate in example 5 was omitted, and the other conditions were the same as in example 5.
In order to research the crystallization rate of the polyphenylene sulfide composite material, differential Scanning Calorimetry (DSC) is adopted to test the crystallization temperature of the polyphenylene sulfide composite material, and the higher the crystallization temperature of the composite material is, the faster the crystallization rate is, and the better the processability is.
The polyphenylene sulfide composite samples of examples 1 to 5 were first heated to 310 ℃ and held at a constant temperature for 3min, and then cooled to 50 ℃ at a rate of 10 ℃/min, and the crystallization temperature of the composite was tested. The polyphenylene sulfide composite materials of examples 1 to 5 had crystallization temperatures of 250.4 deg.C, 249.6 deg.C, 247.3 deg.C, 246.8 deg.C, and 248.3 deg.C, respectively, and the polyphenylene sulfide composite materials of comparative examples 1 to 4 had crystallization temperatures of 246.1 deg.C, 245.9 deg.C, 242.1 deg.C, and 241.4 deg.C, respectively.
As can be seen from the examples and comparative examples, omitting the polyarylate of the present invention or changing the amount of polyarylate results in a decrease in crystallization temperature, a decrease in crystallization rate and a decrease in processability of the polyphenylene sulfide composite material. According to the invention, the crystallization temperature of the polyphenylene sulfide composite material is obviously improved by reasonably selecting polyarylate and controlling the dosage of each raw material component.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The fast crystalline polyphenylene sulfide composite material is characterized by comprising the following components in percentage by mass:
2. the rapidly crystalline polyphenylene sulfide composite material according to claim 1, comprising the following components in percentage by mass:
3. the rapid crystallization polyphenylene sulfide composite material according to claim 1 or 2, wherein the melt flow rate of the polyphenylene sulfide is 200 to 800g/10min.
4. The rapid crystallization polyphenylene sulfide composite material as claimed in claim 3, wherein the polyarylate is a linear amorphous structure aromatic polyester, and the glass transition temperature is 190 ℃.
5. The rapidly crystalline polyphenylene sulfide composite material according to claim 4, wherein the glass fiber is a chopped glass fiber, the length of the glass fiber is 3-5 mm, and the monofilament diameter is 10-13 μm.
6. The rapidly crystallizing polyphenylene sulfide composite material according to claim 4 or 5, wherein the processing aid comprises one or more of a plasticizer, a stabilizer, a mold release agent, a dye, a pigment and a filler.
7. The method for preparing the rapid crystallization polyphenylene sulfide composite material as claimed in any one of claims 1 to 6, characterized in that the polyphenylene sulfide, the polyarylate, the glass fiber and the processing aid are blended to obtain the rapid crystallization polyphenylene sulfide composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211371559.6A CN115491034A (en) | 2022-11-03 | 2022-11-03 | Rapid crystalline polyphenylene sulfide composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211371559.6A CN115491034A (en) | 2022-11-03 | 2022-11-03 | Rapid crystalline polyphenylene sulfide composite material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN115491034A true CN115491034A (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211371559.6A Pending CN115491034A (en) | 2022-11-03 | 2022-11-03 | Rapid crystalline polyphenylene sulfide composite material and preparation method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4769190A (en) * | 1986-04-25 | 1988-09-06 | Diafoil Company, Limited | Process for producing polyphenylene sulfide film |
| CN104650584A (en) * | 2013-08-22 | 2015-05-27 | 东丽先端材料研究开发（中国）有限公司 | Polyphenylene sulfide resin composition and molded product thereof |
| CN106147230A (en) * | 2015-04-09 | 2016-11-23 | 东丽先端材料研究开发（中国）有限公司 | The polyphenyl thioether resin composition of high fluidity high rigidity and products formed thereof |
| CN108485265A (en) * | 2018-04-16 | 2018-09-04 | 南京真宸科技有限公司 | One kind having rapid crystallization packing reinforced polyphenyl thioether composite material |
| CN108587165A (en) * | 2018-04-16 | 2018-09-28 | 南京真宸科技有限公司 | A kind of rapid crystallization polyphenyl thioether composite material |
| CN111057376A (en) * | 2020-01-01 | 2020-04-24 | 南京真宸科技有限公司 | Polyphenylene sulfide composite material with low flash |
| CN111057374A (en) * | 2020-01-01 | 2020-04-24 | 南京真宸科技有限公司 | Low-flash rapid crystalline polyphenylene sulfide composite material |
| CN112266613A (en) * | 2020-10-19 | 2021-01-26 | 广东华聚科技有限公司 | Polyphenylene sulfide composite material, preparation method thereof and injection molding part |
-
2022
- 2022-11-03 CN CN202211371559.6A patent/CN115491034A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4769190A (en) * | 1986-04-25 | 1988-09-06 | Diafoil Company, Limited | Process for producing polyphenylene sulfide film |
| CN104650584A (en) * | 2013-08-22 | 2015-05-27 | 东丽先端材料研究开发（中国）有限公司 | Polyphenylene sulfide resin composition and molded product thereof |
| CN106147230A (en) * | 2015-04-09 | 2016-11-23 | 东丽先端材料研究开发（中国）有限公司 | The polyphenyl thioether resin composition of high fluidity high rigidity and products formed thereof |
| CN108485265A (en) * | 2018-04-16 | 2018-09-04 | 南京真宸科技有限公司 | One kind having rapid crystallization packing reinforced polyphenyl thioether composite material |
| CN108587165A (en) * | 2018-04-16 | 2018-09-28 | 南京真宸科技有限公司 | A kind of rapid crystallization polyphenyl thioether composite material |
| CN111057376A (en) * | 2020-01-01 | 2020-04-24 | 南京真宸科技有限公司 | Polyphenylene sulfide composite material with low flash |
| CN111057374A (en) * | 2020-01-01 | 2020-04-24 | 南京真宸科技有限公司 | Low-flash rapid crystalline polyphenylene sulfide composite material |
| CN112266613A (en) * | 2020-10-19 | 2021-01-26 | 广东华聚科技有限公司 | Polyphenylene sulfide composite material, preparation method thereof and injection molding part |
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