CN110862684A - POK/PPS composite material and preparation method thereof - Google Patents
POK/PPS composite material and preparation method thereof Download PDFInfo
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- CN110862684A CN110862684A CN201911217160.0A CN201911217160A CN110862684A CN 110862684 A CN110862684 A CN 110862684A CN 201911217160 A CN201911217160 A CN 201911217160A CN 110862684 A CN110862684 A CN 110862684A
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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
- C08L73/00—Compositions of macromolecular compounds obtained by reactions forming a linkage containing oxygen or oxygen and carbon in the main chain, not provided for in groups C08L59/00 - C08L71/00; Compositions of derivatives of such polymers
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Abstract
The invention discloses a POK/PPS composite material and a preparation method thereof, which are characterized in that the POK/PPS composite material is prepared from 24-57% of PPS resin; 10-30% of POK resin; 2-4% of a toughening agent; 0.1-0.5% of antioxidant; 0.5-1% of a lubricant; 0.1-0.5% of a coupling agent; 30-40% of glass fiber, and is prepared by melt extrusion, cooling and granulation. The POK/PPS composite material prepared by the method has the advantages of high toughness, ultrahigh wear resistance, corrosion resistance, excellent strength and rigidity, good fluidity, convenience in processing and forming thin-wall products, low manufacturing cost and wide application in the fields of various electrical engineering, automobile parts and the like.
Description
[ technical field ]
The invention relates to the technical field of high polymer materials, in particular to a POK/PPS composite material and a preparation method thereof.
[ background art ]
Polyphenylene sulfide (PPS resin) is an excellent thermoplastic engineering plastic, and has excellent comprehensive properties of excellent flame retardance, electrical property, thermal stability, good dimensional stability, easy molding, good solvent resistance, high crystallinity and the like. Therefore, the composite material is widely applied to the fields of automobile products, electronic and electric products, mechanical manufacturing, aerospace industry and the like.
From the molecular structure of polyphenylene sulfide, due to the fact that a molecular chain contains a benzene ring, the PPS has the defects of being large in brittleness, poor in toughness, poor in wear resistance and the like, and the defects limit the application of the PPS to a great extent, so that the PPS is modified to a great extent in practical application, and the performance of the PPS is improved by adding glass fibers, carbon fibers, filling and the like in most of the current markets so as to meet the requirements of practical production.
[ summary of the invention ]
Based on the defects and shortcomings in the prior art, the invention provides a POK/PPS composite material, and further provides a preparation method of the material, wherein the scheme is as follows:
the POK/PPS composite material comprises the following components in percentage by mass:
further, the PPS resin is linear polyphenylene sulfide, and the melt index is 200-.
Further, the POK resin has a melt index of 50-100g/10min (240 ℃/2.16kg)
Further, the compatilizer is at least one of ethylene-acrylate-glycidyl methacrylate terpolymer and ethylene methyl acrylate copolymer.
Further, the antioxidant is at least one of pentaerythrityl tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], tris (2, 4-di-tert-butylphenyl) phosphite and pentaerythrityl dodecyl propyl thiopropionate.
Further, the lubricant is at least one of silicone powder, calcium stearate, zinc stearate and ethylene bis-stearamide.
Further, the coupling agent is a silane coupling agent selected from at least one of gamma-aminopropyltriethoxysilane, benzene gamma- (2, 3-glycidoxy) propyltrimethoxysilane and styryltriethoxysilane.
Furthermore, the glass fiber is E glass fiber treated by silane coupling agent, the diameter is 7-12um, and the chopped length is 3-5 mm.
A POK/PPS composite material and a preparation method thereof comprise the following steps:
weighing the raw materials according to the proportion, uniformly mixing the PPS resin, the POK resin, the compatilizer, the antioxidant, the lubricant and the coupling agent, adding the mixture into a feeding hopper of a double-screw extruder, simultaneously adding the glass fiber from a side feed of the extruder, and carrying out melt extrusion, cooling and granulation to obtain the POK/PPS composite material; the double-screw extruder is divided into eight zones from a feeding port to a machine head, the temperature of the first zone to the eight zones is 240-250 ℃, 260-270 ℃, 265-275 ℃, 260-270 ℃, 250-260 ℃, 245-255, 240-250, the temperature of a die head is 275-285 ℃, the rotating speed of a screw is 350-400 r/min, and the rotating speed of feeding is 10-15 Hz.
The invention has the beneficial effects that:
the POK/PPS composite material prepared by the invention has the advantages of good toughness, scratch resistance, wear resistance and the like, easy molding and processing, low cost, simple manufacturing process, wide application range and wide market.
[ detailed description of the invention ]
The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The POK/PPS composite material comprises the following components in percentage by mass:
the PPS resin is linear polyphenylene sulfide, and the melt index is 200-300g/10min (316 ℃/2.16 kg).
The POK resin has a melt index of 50-100g/10min (240 deg.C/2.16 kg)
The compatilizer is at least one of ethylene-acrylate-glycidyl methacrylate terpolymer and ethylene methyl acrylate copolymer.
The antioxidant is at least one of pentaerythrityl tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], tris (2, 4-di-tert-butylphenyl) phosphite, and pentaerythrityl dodecathiopropyl ester.
The lubricant is at least one of silicone powder, calcium stearate, zinc stearate and ethylene bisstearamide.
The coupling agent is silane coupling agent selected from at least one of gamma-aminopropyltriethoxysilane, benzene gamma- (2, 3-epoxypropoxy) propyltrimethoxysilane, and styryl triethoxysilane.
The glass fiber is E glass fiber treated by silane coupling agent, the diameter is 7-12um, and the short-cut length is 3-5 mm.
Example 1
The composition comprises the following components in percentage by mass: 47kg of PPS resin, 20kg of POK resin, 2kg of compatilizer, 0.5kg of lubricant, 0.2kg of antioxidant and 0.3kg of coupling agent are uniformly mixed and then are added into a feeding hopper of a double-screw extruder, 30kg of glass fiber is added from the side feed of the extruder at the same time, and the POK/PPS composite material is obtained through melt extrusion, cooling and granulation; the double-screw extruder is divided into eight zones from a feeding port to a machine head, the temperature of the first zone to the eight zones is 240-250 ℃, 260-270 ℃, 265-275 ℃, 260-270 ℃, 250-260 ℃, 245-255, 240-250, the temperature of a die head is 275-285 ℃, the rotating speed of a screw is 350-400 r/min, and the rotating speed of feeding is 10-15 Hz.
Example 2
The composition comprises the following components in percentage by mass: uniformly mixing 37kg of PPS resin, 30kg of POK resin, 2kg of compatilizer, 0.5kg of lubricant, 0.2kg of antioxidant and 0.3kg of coupling agent, adding the mixture into a hopper of a double-screw extruder, simultaneously adding 30kg of glass fiber from a side feed of the extruder, and carrying out melt extrusion, cooling and granulation to obtain a POK/PPS composite material; the double-screw extruder is divided into eight zones from a feeding port to a machine head, the temperature of the first zone to the eight zones is 240-250 ℃, 260-270 ℃, 265-275 ℃, 260-270 ℃, 250-260 ℃, 245-255, 240-250, the temperature of a die head is 275-285 ℃, the rotating speed of a screw is 350-400 r/min, and the rotating speed of feeding is 10-15 Hz.
Example 3
The composition comprises the following components in percentage by mass: uniformly mixing 37kg of PPS resin, 20kg of POK resin, 2kg of compatilizer, 0.5kg of lubricant, 0.2kg of antioxidant and 0.3kg of coupling agent, adding the mixture into a hopper of a double-screw extruder, simultaneously adding 40kg of glass fiber from a side feed of the extruder, and carrying out melt extrusion, cooling and granulation to obtain a POK/PPS composite material; the double-screw extruder is divided into eight zones from a feeding port to a machine head, the temperature of the first zone to the eight zones is 240-250 ℃, 260-270 ℃, 265-275 ℃, 260-270 ℃, 250-260 ℃, 245-255, 240-250, the temperature of a die head is 275-285 ℃, the rotating speed of a screw is 350-400 r/min, and the rotating speed of feeding is 10-15 Hz.
Example 4
The composition comprises the following components in percentage by mass: 27kg of PPS resin, 30kg of POK resin, 2kg of compatilizer, 0.5kg of lubricant, 0.2kg of antioxidant and 0.3kg of coupling agent are uniformly mixed and then are added into a feeding hopper of a double-screw extruder, and simultaneously 40kg of glass fiber is added from the side feed of the extruder, and the mixture is subjected to melt extrusion, cooling and granulation to obtain the POK/PPS composite material; the double-screw extruder is divided into eight zones from a feeding port to a machine head, the temperature of the first zone to the eight zones is 240-250 ℃, 260-270 ℃, 265-275 ℃, 260-270 ℃, 250-260 ℃, 245-255, 240-250, the temperature of a die head is 275-285 ℃, the rotating speed of a screw is 350-400 r/min, and the rotating speed of feeding is 10-15 Hz.
Comparative example 1
The composition comprises the following components in percentage by mass: 67kg of PPS resin, 2kg of compatilizer, 0.5kg of lubricant, 0.2kg of antioxidant and 0.3kg of coupling agent are uniformly mixed and then are added into a feed hopper of a double-screw extruder, 30kg of glass fiber is added from the side feed of the extruder at the same time, and the POK/PPS composite material is obtained through melt extrusion, cooling and granulation; the double-screw extruder is divided into eight zones from a feeding port to a machine head, the temperature of the first zone to the eight zones is 240-250 ℃, 260-270 ℃, 265-275 ℃, 260-270 ℃, 250-260 ℃, 245-255, 240-250, the temperature of a die head is 275-285 ℃, the rotating speed of a screw is 350-400 r/min, and the rotating speed of feeding is 10-15 Hz.
Comparative example 2
The composition comprises the following components in percentage by mass: 57kg of PPS resin, 2kg of compatilizer, 0.5kg of lubricant, 0.2kg of antioxidant and 0.3kg of coupling agent are uniformly mixed and then are added into a feed hopper of a double-screw extruder, at the same time, 40kg of glass fiber is added from the side feed of the extruder, and the POK/PPS composite material is obtained through melt extrusion, cooling and granulation; the double-screw extruder is divided into eight zones from a feeding port to a machine head, the temperature of the first zone to the eight zones is 240-250 ℃, 260-270 ℃, 265-275 ℃, 260-270 ℃, 250-260 ℃, 245-255, 240-250, the temperature of a die head is 275-285 ℃, the rotating speed of a screw is 350-400 r/min, and the rotating speed of feeding is 10-15 Hz.
The POK/PPS composite materials prepared in the embodiments 1-4 and the comparative examples 1-2 are subjected to injection molding of a standard sample by an injection molding machine, and the mechanical property characterization of the standard sample is carried out according to the national standard.
Table 1 performance test data for each of examples 1-4 and comparative examples 1-2.
The wear resistance of a material is characterized by the wear rate, which is (mass before the material is worn-mass after the material is worn)/the worn area of the material.
As can be seen from Table 1, the material obtained by the technical scheme of the invention has the advantages of higher toughness, ultrahigh wear resistance, corrosion resistance, excellent strength and rigidity, good fluidity, convenient processing and forming of thin-wall products, low manufacturing cost and wide application in the fields of various electrical engineering, automobile parts and the like.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment, and all technical solutions belonging to the principle of the present invention belong to the protection scope of the present invention. Modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
Claims (9)
1. The POK/PPS composite material is characterized by comprising the following components in percentage by mass:
2. the POK/PPS composite as defined in claim 1, wherein the PPS resin is linear polyphenylene sulfide with a melt index of 200-300g/10min (316 ℃/2.16 kg).
3. The POK/PPS composite as recited in claim 1, wherein the POK resin has a melt index of 50-100g/10min (240 ℃/2.16 kg).
4. The POK/PPS composite material as recited in claim 1, wherein the compatibilizer is at least one of ethylene-acrylate-glycidyl methacrylate terpolymer and ethylene-methyl acrylate copolymer.
5. The POK/PPS composite material as recited in claim 1, wherein the antioxidant is at least one of pentaerythrityl tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], tris (2, 4-di-tert-butylphenyl) phosphite, and pentaerythrityl dodecylthio-propyl ester.
6. The POK/PPS composite material as claimed in claim 1, wherein the lubricant is at least one of silicone powder, calcium stearate, zinc stearate, ethylene bis stearamide.
7. The POK/PPS composite material as claimed in claim 1, wherein the coupling agent is a silane coupling agent selected from at least one of gamma-aminopropyltriethoxysilane, benzene gamma- (2, 3-glycidoxy) propyltrimethoxysilane, and styryltriethoxysilane.
8. The POK/PPS composite material as claimed in claim 1, wherein the glass fiber is E glass fiber treated by silane coupling agent, the diameter is 7-12um, and the chopped length is 3-5 mm.
9. A method of preparing a POK/PPS composite material according to any of claims 1 to 8, comprising the steps of:
weighing the raw materials according to the proportion, uniformly mixing the PPS resin, the POK resin, the compatilizer, the antioxidant, the lubricant and the coupling agent, adding the mixture into a feeding hopper of a double-screw extruder, simultaneously adding the glass fiber from a side feed of the extruder, and carrying out melt extrusion, cooling and granulation to obtain the POK/PPS composite material; the double-screw extruder is divided into eight zones from a feeding port to a machine head, the temperature of the first zone to the eight zones is 240-250 ℃, 260-270 ℃, 265-275 ℃, 260-270 ℃, 250-260 ℃, 245-255, 240-250, the temperature of a die head is 275-285 ℃, the rotating speed of a screw is 350-400 r/min, and the rotating speed of feeding is 10-15 Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911217160.0A CN110862684A (en) | 2019-12-03 | 2019-12-03 | POK/PPS composite material and preparation method thereof |
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| CN201911217160.0A CN110862684A (en) | 2019-12-03 | 2019-12-03 | POK/PPS composite material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112194895A (en) * | 2020-09-30 | 2021-01-08 | 特塑（大连）高分子材料有限公司 | Glass fiber reinforced PPS alloy modified material and preparation method thereof |
| CN112646374A (en) * | 2020-12-21 | 2021-04-13 | 深圳市富恒新材料股份有限公司 | Conductive wear-resistant polyphenylene sulfide/polyketone composite material and preparation method thereof |
| CN115232473A (en) * | 2022-08-24 | 2022-10-25 | 重庆晟淦新材料科技有限公司 | Antibacterial and corrosion-resistant PPS composite material and preparation method thereof |
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- 2019-12-03 CN CN201911217160.0A patent/CN110862684A/en active Pending
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| CN106916447A (en) * | 2017-03-02 | 2017-07-04 | 山东道恩高分子材料股份有限公司 | A kind of preparation method of the modified long glass fibres reinforced thermoplastics of aramid fiber |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112194895A (en) * | 2020-09-30 | 2021-01-08 | 特塑（大连）高分子材料有限公司 | Glass fiber reinforced PPS alloy modified material and preparation method thereof |
| CN112194895B (en) * | 2020-09-30 | 2023-04-11 | 特塑（大连）高分子材料有限公司 | Glass fiber reinforced PPS alloy modified material and preparation method thereof |
| CN112646374A (en) * | 2020-12-21 | 2021-04-13 | 深圳市富恒新材料股份有限公司 | Conductive wear-resistant polyphenylene sulfide/polyketone composite material and preparation method thereof |
| CN115232473A (en) * | 2022-08-24 | 2022-10-25 | 重庆晟淦新材料科技有限公司 | Antibacterial and corrosion-resistant PPS composite material and preparation method thereof |
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