CN103772987A - High-strength low-warping modified polyphenylene sulfide material and preparation method thereof - Google Patents
High-strength low-warping modified polyphenylene sulfide material and preparation method thereof Download PDFInfo
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- CN103772987A CN103772987A CN201210395286.9A CN201210395286A CN103772987A CN 103772987 A CN103772987 A CN 103772987A CN 201210395286 A CN201210395286 A CN 201210395286A CN 103772987 A CN103772987 A CN 103772987A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
- B29B9/14—Making granules characterised by structure or composition fibre-reinforced
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of polymer materials, and relates to a modified polyphenylene sulfide material and a preparation method thereof. The modified polyphenylene sulfide material is composed of the following components in parts by weight: 60 to 85 parts of polyphenylene sulfide, 10 to 30 parts of glass fiber, 5 to 10 parts of kaolin, 0.3 to 0.6 part of lubricant, 0.3 to 0.6 part of antioxidant, and 0.6 to 1 part of coupling agent. The preparation method comprises the following steps: processing 5 to 10 parts of kaolin with 0.6 to 1 part of coupling agent, and then mixing the kaolin with 60 to 85 parts of polyphenylene sulfide and 10 to 30 parts of glass fiber so as to obtain the target product. The modified polyphenylene sulfide material has the characteristics of high strength and low warping, at the same time, the cost of the material is largely reduced, and the application range is greatly enlarged.
Description
Technical field
The present invention relates to technical field of polymer materials, relate in particular to low warpage polyphenyl thioether material of a kind of high strength and preparation method thereof.
Background technology
Polyphenylene sulfide (PPS) is a kind of special engineering plastics of excellent combination property.PPS has good high temperature resistant, corrosion-resistant, radiation hardness, flame retardant properties, and the balanced feature such as physical and mechanical properties and good electrical property, is widely used as structural macromolecular material, is widely used as special engineering plastics by filling, after modification.Meanwhile, PPS also can be made into various functional films, coating and matrix material, and application succeeds in fields such as electronic apparatus, aerospace, Automobile Transportation, machinery and chemical industry.PPS belongs to crystalline material simultaneously, in injection moulding process, can produce warping phenomenon, brings disadvantageous effect to products appearance.
Warpage is the result of material ununiform shrinkage, and while adopting inappropriate processing condition, die design when the orientation of component and crystallization, injection moulding in material, gate shape and position are not right, and when Products Design, inhomogeneity of wall thickness etc. all can cause the warpage of goods.Glass strengthens in PPS, because the existence of glass has limited the contraction of material flow direction, but perpendicular flow direction is not acted on, and this has just caused the ununiformity of shrinking.It is goods generation warpage.
In actual production life, the dimensional stability of goods directly has influence on the matching problem between goods and other functional parts, as fruit product generation warpage, can cause it normally to use, and also affects aesthetics simultaneously.Therefore, the warpage issues of solution goods guarantees that product properties is just very important simultaneously.
Summary of the invention
The problem existing in order to solve above-mentioned prior art, the invention provides the low warpage polyphenyl thioether material of a kind of high strength, this material has high strength low warpage properties, simultaneously because add glass fibre and kaolin cheaply, its cost is reduced significantly, make its scope of application obtain larger expansion.
Another object of the present invention is to provide the preparation method of the low warpage polyphenyl thioether material of a kind of above-mentioned high strength.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of modified polyphenyl thioether material, this material is made up of the component that comprises following weight part:
Polyphenylene sulfide 60-85 part,
Kaolin 5-10 part,
Glass fibre 10-30 part,
Lubricant 0.3-0.6 part,
Oxidation inhibitor 0.3-0.6 part,
Coupling agent 0.6-1 part.
Described kaolin is ultra-fine level kaolin, and median size is 0.2-1 μ m.
Described glass fibre is continuous glass fibre, and diameter is 10-15 μ m, is preferably 10-12 μ m.
Described lubricant is selected from one or more in stearyl alcohol, silicone or pentaerythritol stearate (PETS).
Described oxidation inhibitor is selected from four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] one or more in pentaerythritol ester (antioxidant 1010), β-(3,5-di-tert-butyl-hydroxy phenyl) positive octadecanol ester of propionic acid (antioxidant 1076) or hindered phenol stabilizer and processing stabilizers phosphorous acid ester compound antioxidant (oxidation inhibitor P262).
Described coupling agent is selected from one or more in γ-methacryloxypropyl trimethoxy silane (KH-570) or γ-(2,3-glycidoxy) propyl trimethoxy silicane (KH-560).
A preparation method for above-mentioned modified polyphenyl thioether material, the method comprises the following steps:
(1) take each component raw material by said ratio;
(2) with coupling agent treatment 5-10 part kaolin of 0.6-1 part, then by itself and 60-85 part polyphenylene sulfide, glass fibre 10-30 part, 0.3-0.6 part lubricant, 0.3-0.6 part oxidation inhibitor, mixes through high mixer high speed;
(3) compound step (2) being obtained is poured screw extrusion press into, obtains product through the pelletizing of screw extrusion press tie rod.
In described step (1), the kaolinic concrete steps of coupling agent treatment are: 5-10 part kaolin is put into high mixer, add 1/3rd in 0.6-1 part coupling agent, high-speed mixing, two the coupling agent constantly its excess-three being divided in mixing process adds, mixing temperature is room temperature, and mixing time is 3-5min.
In described step (1), the rotating speed of high mixer is 800-1000rpm, and mixing temperature is 40-60 ℃, and mixing time is 5-10min.
In described step (2), screw extrusion press is single screw extrusion machine or twin screw extruder, and extrusion temperature is 280-310 ℃.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention strengthens polyphenylene sulfide with the glass of 10-30%, makes the polyphenylene sulfide itself with higher-strength obtain higher strength enhancing, meets those needs high strength but the not requirement of the material of the better toughness of needs application.
2, glass strengthens polyphenylene sulfide, in the time of injection moulding, warping phenomenon can occur, and by adding ultrafine kaolin, utilizes the symmetry of kaolin shape to alleviate glass and be orientated the anisotropy causing, and reduces the warping phenomenon that goods are longitudinal and transverse contraction inequality is brought.
3, material of the present invention, by adding glass fibre and kaolin cheaply, is reduced its cost significantly, makes its scope of application obtain larger expansion.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
In following examples, be all according to ASTM standard testing to the testing standard of product.
Embodiment 1
(1) take the raw material of following weight part: 60 parts of polyphenylene sulfides, 30 parts of continuous glass fibres (diameter be 12 μ m), 10 parts of particle diameters are the kaolin of 0.2 μ m, 0.3 part of silicone, 0.1 part of antioxidant 1010,0.2 part of antioxidant 1076,0.6 part of coupling agent kh-570;
(2) 10 parts of kaolin are put into high mixer, add and add in advance 1/3rd of coupling agent, high-speed mixing.Two the coupling agent constantly its excess-three being divided in mixing process adds.Mixing temperature is room temperature, and mixing time is 3min, then itself and other raw material is mixed at a high speed through high mixer, and controlling high mixer speed is 1000rmp, and temperature is 40 ℃, mixes 10min;
(3) compound step (2) being obtained is poured screw extrusion press into, controls extruder temperature at 295-310 ℃, and mixture can be obtained to product through the pelletizing of twin screw extruder tie rod, and product correlated performance is tested in table 1.
Embodiment 2
(1) take the raw material of following weight part: 85 parts of polyphenylene sulfides, 10 parts of continuous glass fibres (diameter be 10 μ m), 5 parts of particle diameters are the kaolin of 0.8 μ m, 0.3 part of PETS, 0.2 part of antioxidant 1010,0.4 part of antioxidant 1076,0.7 part of coupling agent kh-570;
(2) 5 parts of kaolin are put into high mixer, add and add in advance 1/3rd of coupling agent, high-speed mixing.Two the coupling agent constantly its excess-three being divided in mixing process adds.Mixing temperature is room temperature, and mixing time is 4min, then itself and other raw material is mixed at a high speed through high mixer, and controlling high mixer speed is 800rmp, and temperature is 60 ℃, mixes 5min;
(3) compound step (2) being obtained is poured screw extrusion press into, above-mentioned raw materials is mixed at a high speed through high mixer, control extruder temperature at 285-300 ℃, mixture can be obtained to product through the pelletizing of twin screw extruder tie rod, product correlated performance is tested in table 1.
Embodiment 3
(1) take the raw material of following weight part: 65 parts of polyphenylene sulfides, 25 parts of continuous glass fibres (diameter be 12 μ m), 10 parts of particle diameters are the kaolin of 1 μ m, 0.3 part of stearyl alcohol, 0.5 part of oxidation inhibitor P262,0.8 part of coupling agent kh-570;
(2) first 10 parts of kaolin are put into high mixer, add and add in advance 1/3rd of coupling agent, high-speed mixing.Two the coupling agent constantly its excess-three being divided in mixing process adds.Mixing temperature is room temperature, and mixing time is 3min, then itself and other raw material is mixed at a high speed through high mixer, controlling high mixer speed is 950rmp, temperature is 40 ℃, mixes 10min, and kaolin is mixed itself and other raw material at a high speed through high mixer by coupling agent treatment again;
(3) compound step (2) being obtained is poured screw extrusion press into, controls extruder temperature at 285-310 ℃, and mixture can be obtained to product through the pelletizing of twin screw extruder tie rod, and product correlated performance is tested in table 1.
Embodiment 4
(1) take the raw material of following weight part: 75 parts of polyphenylene sulfides, 20 parts of continuous glass fibres (diameter be 15 μ m), 5 parts of particle diameters are the kaolin of 0.6 μ m, 0.4 part of silicone, 0.2 part of antioxidant 1010,0.2 part of antioxidant 1076,1 part of coupling agent KH-560;
(2) first 5 parts of kaolin are put into high mixer, add and add in advance 1/3rd of coupling agent, high-speed mixing.Two the coupling agent constantly its excess-three being divided in mixing process adds.Mixing temperature is room temperature, and mixing time is 5min, then itself and other raw material is mixed at a high speed through high mixer, controlling high mixer speed is 1000rmp, temperature is 60 ℃, mixes 5min, and kaolin is mixed itself and other raw material at a high speed through high mixer by coupling agent treatment again;
(3) compound step (2) being obtained is poured screw extrusion press into, controls extruder temperature at 290-310 ℃, and mixture can be obtained to product through the pelletizing of twin screw extruder tie rod, and product correlated performance is tested in table 1.
Embodiment 5
(1) take the raw material of following weight part: 70 parts of polyphenylene sulfides, 20 parts of continuous glass fibres (diameter be 13 μ m), 10 parts of particle diameters are the kaolin of 0.4 μ m, 0.4 part of silicone, 0.4 part of antioxidant 1076,0.9 part of coupling agent KH-560;
(2) first 10 parts of kaolin are put into high mixer, add and add in advance 1/3rd of coupling agent, high-speed mixing.Two the coupling agent constantly its excess-three being divided in mixing process adds.Mixing temperature is room temperature, and mixing time is 3min, then itself and other raw material is mixed at a high speed through high mixer, controlling high mixer speed is 860rmp, temperature is 50 ℃, mixes 10min, and kaolin is mixed itself and other raw material at a high speed through high mixer by coupling agent treatment again;
(3) compound step (2) being obtained is poured screw extrusion press into, controls extruder temperature at 290-310 ℃, and mixture can be obtained to product through the pelletizing of single screw extrusion machine tie rod, and product correlated performance is tested in table 1.
Embodiment 6
(1) take the raw material of following weight part: 85 parts of polyphenylene sulfides, 10 parts of continuous glass fibres (diameter be 10 μ m), 5 parts of particle diameters are the kaolin of 0.8 μ m, 0.6 part of stearyl alcohol, 0.3 part of antioxidant 1076,1 part of coupling agent KH-560;
(2) first 5 parts of kaolin are put into high mixer, add and add in advance 1/3rd of coupling agent, high-speed mixing.Two the coupling agent constantly its excess-three being divided in mixing process adds.Mixing temperature is room temperature, and mixing time is 3min, then itself and other raw material is mixed at a high speed through high mixer, controlling high mixer speed is 920rmp, temperature is 60 ℃, mixes 5min, and kaolin is mixed itself and other raw material at a high speed through high mixer by coupling agent treatment again;
(3) compound step (2) being obtained is poured screw extrusion press into, controls extruder temperature at 285-290 ℃, and mixture can be obtained to product through the pelletizing of twin screw extruder tie rod, and product correlated performance is tested in table 1.
Embodiment 7
(1) take the raw material of following weight part: 70 parts of polyphenylene sulfides, 20 parts of continuous glass fibres (diameter be 12 μ m), 10 parts of particle diameters are the kaolin of 0.7 μ m, 0.5 part of stearyl alcohol, 0.1 part of antioxidant 1010,0.2 part of antioxidant 1076,0.8 part of coupling agent KH-560;
(2) first 10 parts of kaolin are put into high mixer, add and add in advance 1/3rd of coupling agent, high-speed mixing.Two the coupling agent constantly its excess-three being divided in mixing process adds.Mixing temperature is room temperature, and mixing time is 3min, then itself and other raw material is mixed at a high speed through high mixer, controlling high mixer speed is 830rmp, temperature is 55 ℃, mixes 8min, and kaolin is mixed itself and other raw material at a high speed through high mixer by coupling agent treatment again;
(3) compound step (2) being obtained is poured screw extrusion press into, controls extruder temperature at 290-310 ℃, and mixture can be obtained to product through the pelletizing of twin screw extruder tie rod, and product correlated performance is tested in table 1.
Embodiment 8
(1) take the raw material of following weight part: 85 parts of polyphenylene sulfides, 10 parts of continuous glass fibres (diameter be 12 μ m), 5 parts of particle diameters are 0.2 μ m kaolin, 0.4 part of stearyl alcohol, 0.3 part of antioxidant 1010,0.1 part of antioxidant 1076,0.7 part of coupling agent kh-570;
(2) first 5 parts of kaolin are put into high mixer, add and add in advance 1/3rd of coupling agent, high-speed mixing.Two the coupling agent constantly its excess-three being divided in mixing process adds.Mixing temperature is room temperature, and mixing time is 3min, then itself and other raw material is mixed at a high speed through high mixer, controlling high mixer speed is 985rmp, temperature is 50 ℃, mixes 10min, and kaolin is mixed itself and other raw material at a high speed through high mixer by coupling agent treatment again;
(3) compound step (2) being obtained is poured screw extrusion press into, controls extruder temperature at 280-300 ℃, and mixture can be obtained to product through the pelletizing of twin screw extruder tie rod.
Table 1
By table 1, the present invention strengthens polyphenylene sulfide with the glass of 10-30%, makes the polyphenylene sulfide itself with higher-strength obtain higher strength enhancing, meets those needs high strength but the not requirement of the material of the better toughness of needs application.Glass strengthens polyphenylene sulfide can there is warping phenomenon in the time of injection moulding, by adding ultrafine kaolin, utilizes the symmetry of kaolin shape to alleviate glass and be orientated the anisotropy causing, and reduces the warping phenomenon that goods are longitudinal and transverse contraction inequality is brought.Material of the present invention, by adding glass fibre and kaolin cheaply, is reduced its cost significantly, makes its scope of application obtain larger expansion.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. a modified polyphenyl thioether material, is characterized in that: this material is made up of the component that comprises following weight part:
Polyphenylene sulfide 60-85 part,
Kaolin 5-10 part,
Glass fibre 10-30 part,
Lubricant 0.3-0.6 part,
Oxidation inhibitor 0.3-0.6 part,
Coupling agent 0.6-1 part.
2. modified polyphenyl thioether material according to claim 1, is characterized in that: described kaolin is ultra-fine level kaolin, and median size is 0.2-1 μ m.
3. modified polyphenyl thioether material according to claim 1, is characterized in that: described glass fibre is continuous glass fibre, and diameter is 10-15 μ m, is preferably 10-12 μ m.
4. modified polyphenyl thioether material according to claim 1, is characterized in that: described lubricant is selected from one or more in stearyl alcohol, silicone or pentaerythritol stearate.
5. modified polyphenyl thioether material according to claim 1, it is characterized in that: described oxidation inhibitor is selected from four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] one or more in pentaerythritol ester, β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid or hindered phenol stabilizer and processing stabilizers phosphorous acid ester compound antioxidant.
6. modified polyphenyl thioether material according to claim 1, it is characterized in that: described coupling agent is selected from one or more in γ-methacryloxypropyl trimethoxy silane or γ-(2,3-glycidoxy) propyl trimethoxy silicane.
7. a preparation method for arbitrary described modified polyphenyl thioether material in the claims 1-6, is characterized in that: the method comprises the following steps:
(1) take each component raw material by proportioning claimed in claim 1;
(2) with coupling agent treatment 5-10 part kaolin of 0.6-1 part, then by itself and 60-85 part polyphenylene sulfide, glass fibre 10-30 part, 0.3-0.6 part lubricant, 0.3-0.6 part oxidation inhibitor, mixes through high mixer high speed;
(3) compound step (2) being obtained is poured screw extrusion press into, obtains product through the pelletizing of screw extrusion press tie rod.
8. preparation method according to claim 1, it is characterized in that: in described step (1), the kaolinic concrete steps of coupling agent treatment are: 5-10 part kaolin is put into high mixer, add 1/3rd in 0.6-1 part coupling agent, high-speed mixing, two the coupling agent constantly its excess-three being divided in mixing process adds, mixing temperature is room temperature, and mixing time is 3-5min.
9. preparation method according to claim 1, is characterized in that: in described step (1), the rotating speed of high mixer is 800-1000rpm, and mixing temperature is 40-60 ℃, and mixing time is 5-10min.
10. preparation method according to claim 1, is characterized in that: in described step (2), screw extrusion press is single screw extrusion machine or twin screw extruder, and extrusion temperature is 280-310 ℃.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106995619A (en) * | 2017-04-17 | 2017-08-01 | 东北大学 | A kind of polymer matrix composite Insulation Shell of Magnet Pump and preparation method thereof |
| CN112266614A (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 |
| CN114058183A (en) * | 2021-12-17 | 2022-02-18 | 特塑（大连）高分子材料有限公司 | Polyphenylene sulfide modified material and preparation method and application thereof |
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| CN114058183B (en) * | 2021-12-17 | 2023-12-01 | 特塑（大连）高分子材料有限公司 | Polyphenylene sulfide modified material and preparation method and application thereof |
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