CN112898774A - Polyphenylene sulfide added with calcium sulfate whiskers and preparation method thereof - Google Patents
Polyphenylene sulfide added with calcium sulfate whiskers and preparation method thereof Download PDFInfo
- Publication number
- CN112898774A CN112898774A CN201911228222.8A CN201911228222A CN112898774A CN 112898774 A CN112898774 A CN 112898774A CN 201911228222 A CN201911228222 A CN 201911228222A CN 112898774 A CN112898774 A CN 112898774A
- Authority
- CN
- China
- Prior art keywords
- calcium sulfate
- polyphenylene sulfide
- parts
- sulfate whiskers
- coupling agent
- 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
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title claims abstract description 62
- 239000004734 Polyphenylene sulfide Substances 0.000 title claims abstract description 31
- 229920000069 polyphenylene sulfide Polymers 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000007822 coupling agent Substances 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 11
- 239000003365 glass fiber Substances 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 8
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 8
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical group CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 150000001408 amides Chemical class 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 abstract description 2
- 229920006389 polyphenyl polymer Polymers 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229920006258 high performance thermoplastic Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000019086 sulfide ion homeostasis Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/047—Reinforcing macromolecular compounds with loose or coherent fibrous material with mixed fibrous material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2381/00—Characterised by the use 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; Polysulfones; Derivatives of such polymers
- C08J2381/02—Polythioethers; Polythioether-ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/08—Oxygen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
Abstract
The invention relates to calcium sulfate whisker added polyphenylene sulfide, which comprises the following components in parts by weight: 30-55 parts of polyphenylene sulfide, 10-25 parts of glass fiber, 30-45 parts of calcium sulfate whisker, 0.5-1.5 parts of coupling agent, 0.5-1.5 parts of lubricating agent and 1-3 parts of carbon nano tube master batch. The calcium sulfate crystal whisker with the diameter of 15-25 mu m is used in the preparation process, and the prepared polyphenyl amide has high strength, good toughness and strong impact resistance, and can effectively prevent stress embrittlement.
Description
Technical Field
The invention relates to the technical field of polyphenylene sulfide production, in particular to a polyphenylene sulfide added with calcium sulfate whiskers and a preparation method thereof.
Background
Polyphenylene Sulfide (PPS), abbreviated as English, is a high-performance thermoplastic resin and has the advantages of high mechanical strength, high temperature resistance, chemical resistance, flame retardancy, good thermal stability, excellent electrical property and the like. It can be widely used in the fields of electronics, automobiles, machinery and chemical engineering. The prior polyphenylene sulfide mainly has the following defects: poor toughness, low impact strength and easy generation of stress embrittlement.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a polyphenylene sulfide added with calcium sulfate whiskers and a preparation method thereof.
The technical scheme for realizing the purpose of the invention is as follows: the polyphenylene sulfide added with the calcium sulfate whiskers comprises the following components in parts by weight: 30-55 parts of polyphenylene sulfide, 10-25 parts of glass fiber, 30-45 parts of calcium sulfate whisker, 0.5-1.5 parts of coupling agent, 0.5-1.5 parts of lubricating agent and 1-3 parts of carbon nano tube master batch.
Preferably, the polyphenylene sulfide added with the calcium sulfate whiskers comprises the following components in parts by weight: polyphenylene sulfide 37, glass fiber 20, calcium sulfate whisker 40, coupling agent 0.8, lubricant 0.8 and carbon nano tube master batch 1.4.
The diameter of the calcium sulfate whisker in the technical scheme is 15-25 mu m.
The diameter of the glass fiber in the technical scheme is 12 mu m.
The coupling agent in the technical scheme is a silane coupling agent.
The lubricant in the technical scheme is octadecanamide.
A preparation method of polyphenylene sulfide added with calcium sulfate whiskers comprises the following steps:
step 1, weighing polyphenylene sulfide, a coupling agent, a lubricant and calcium sulfate whiskers according to the weight part ratio, adding the weighed polyphenylene sulfide, the coupling agent, the lubricant and the calcium sulfate whiskers into a mixer, uniformly mixing to obtain a mixture,
and 2, adding the mixture obtained in the step 1 into a main feeding port of a double-screw extruder, adding the glass fiber and the carbon nano tube master batch from a side feeding port of the double-screw extruder, extruding from the double-screw extruder, and pelletizing after water cooling.
After the technical scheme is adopted, the invention has the following positive effects:
the calcium sulfate crystal whisker with the diameter of 15-25 mu m is used in the preparation process, and the prepared polyphenyl amide has high strength, good toughness and strong impact resistance, and can effectively prevent stress embrittlement.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following description will clearly and completely describe the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, but not all embodiments.
(example 1)
Step 1, weighing the following components in parts by weight: polyphenylene sulfide 37, silane coupling agent 0.8, octadecanamide 0.8, calcium sulfate whisker 40 with diameter of 12 μm, then adding into a mixer and mixing uniformly to obtain a mixture,
step 2, adding the mixture obtained in the step 1 into a main feeding port of a double-screw extruder, and mixing the following components in parts by weight: and adding the glass fiber 20 and the carbon nano tube master batch 1.4 from a side feeding port of a double-screw extruder, extruding from the double-screw extruder, and pelletizing after water cooling.
In the step 2, the temperature of each zone of the extruder is 280-290 ℃, 290-300 ℃, 300-310 ℃, 290-300 ℃, 285-295 ℃, 280-290 ℃, 290-300 ℃, 300-310 ℃, the head temperature is 305-315 ℃, and the extrusion temperature of the twin-screw extruder is 270-320 ℃.
Comparative example 1
Comparative example 1 is different from example 1 in that calcium sulfate whiskers are changed into talc powder, and other components and manufacturing steps are the same.
The final international standard tests are shown in the following table:
| item | Impact of notch | Impact without notch | Tensile strength | Bending strength |
| Comparative example 1 | 4.5 | 20 | 100 | 190 |
| Example 1 | 5.05 | 25 | 125 | 202 |
Compared with the polyphenylene sulfide produced by adding talcum powder in comparative example 1, the polyphenylene sulfide added with calcium sulfate whiskers provided in example 1 has high strength, good toughness and strong impact resistance, and can effectively prevent stress embrittlement.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The polyphenylene sulfide added with the calcium sulfate whisker is characterized by comprising the following components in parts by weight: 30-55 parts of polyphenylene sulfide, 10-25 parts of glass fiber, 30-45 parts of calcium sulfate whisker, 0.5-1.5 parts of coupling agent, 0.5-1.5 parts of lubricating agent and 1-3 parts of carbon nano tube master batch.
2. The polyphenylene sulfide added with calcium sulfate whiskers as claimed in claim 1, is characterized by comprising the following components in parts by weight: polyphenylene sulfide 37, glass fiber 20, calcium sulfate whisker 40, coupling agent 0.8, lubricant 0.8 and carbon nano tube master batch 1.4.
3. The polyphenylene sulfide added with calcium sulfate whiskers as recited in claim 1 or 2, characterized in that: the diameter of the calcium sulfate whisker is 15-25 mu m.
4. The polyphenylene sulfide added with calcium sulfate whiskers as recited in claim 1 or 2, characterized in that: the diameter of the glass fiber is 12 μm.
5. The polyphenylene sulfide added with calcium sulfate whiskers as recited in claim 1 or 2, characterized in that: the coupling agent is a silane coupling agent.
6. The polyphenylene sulfide added with calcium sulfate whiskers as recited in claim 1 or 2, characterized in that: the lubricant is octadecanamide.
7. A preparation method of polyphenylene sulfide added with calcium sulfate whiskers is characterized by comprising the following steps:
step 1, weighing polyphenylene sulfide, a coupling agent, a lubricant and calcium sulfate whiskers according to the weight part ratio, adding the weighed polyphenylene sulfide, the coupling agent, the lubricant and the calcium sulfate whiskers into a mixer, uniformly mixing to obtain a mixture,
and 2, adding the mixture obtained in the step 1 into a main feeding port of a double-screw extruder, adding the glass fiber and the carbon nano tube master batch from a side feeding port of the double-screw extruder, extruding from the double-screw extruder, and pelletizing after water cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911228222.8A CN112898774A (en) | 2019-12-04 | 2019-12-04 | Polyphenylene sulfide added with calcium sulfate whiskers and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911228222.8A CN112898774A (en) | 2019-12-04 | 2019-12-04 | Polyphenylene sulfide added with calcium sulfate whiskers and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112898774A true CN112898774A (en) | 2021-06-04 |
Family
ID=76110960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911228222.8A Pending CN112898774A (en) | 2019-12-04 | 2019-12-04 | Polyphenylene sulfide added with calcium sulfate whiskers and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112898774A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775212A (en) * | 2009-12-30 | 2010-07-14 | 四川华通特种工程塑料研究中心有限公司 | Polyphenylene sulfide nano whisker composite material and preparation method thereof |
| CN107099139A (en) * | 2017-06-29 | 2017-08-29 | 安特普工程塑料（苏州）有限公司 | A kind of glass fibre, anhydrous calcium sulfate whisker strengthen plain polyphenyl thioether material of low chlorine and preparation method thereof |
-
2019
- 2019-12-04 CN CN201911228222.8A patent/CN112898774A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775212A (en) * | 2009-12-30 | 2010-07-14 | 四川华通特种工程塑料研究中心有限公司 | Polyphenylene sulfide nano whisker composite material and preparation method thereof |
| CN107099139A (en) * | 2017-06-29 | 2017-08-29 | 安特普工程塑料（苏州）有限公司 | A kind of glass fibre, anhydrous calcium sulfate whisker strengthen plain polyphenyl thioether material of low chlorine and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 戴厚益等: "PPS/CaSO4晶须/GF复合材料的研究" * |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210604 |
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| WD01 | Invention patent application deemed withdrawn after publication |