CN102199342A - Polyphenylene oxide composite material, preparation method thereof and application thereof - Google Patents
Polyphenylene oxide composite material, preparation method thereof and application thereof Download PDFInfo
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- CN102199342A CN102199342A CN2011101430427A CN201110143042A CN102199342A CN 102199342 A CN102199342 A CN 102199342A CN 2011101430427 A CN2011101430427 A CN 2011101430427A CN 201110143042 A CN201110143042 A CN 201110143042A CN 102199342 A CN102199342 A CN 102199342A
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Abstract
The invention discloses a polyphenylene oxide composite material, a preparation method thereof and application thereof. The polyphenylene oxide composite material comprises 35 to 45 weight percent of polyphenylene oxide, 25 to 35 weight percent of high-impact polystyrene, 15 to 25 weight percent of potassium titanate whiskers processed by a coupling agent, 8 to 12 weight percent of polytetrafluoroethylene and proper amount of processing aid. The polyphenylene oxide composite material can be used for manufacturing wear-resisting parts. Compared with the conventional modified polyphenylene oxide (polyphenylene oxide (PPO)/ high-impact polystyrene (HIPS)) blend, the wear resistance, part of mechanical property and polyvinyl chloride limit value of the polyphenylene oxide composite material are improved obviously, and the polyphenylene oxide composite material is simple and easy in a preparation process, low in cost, wide in application range and high in application value.
Description
Technical field
The present invention relates to field of new, especially relate to a kind of polyphenylene oxide based composites and its production and application.
Background technology
Polyphenylene oxide (Polyphenylene oxide), be called for short PPO, be a kind of good comprehensive properties engineering plastics, have good physical and mechanical properties, thermotolerance and electric insulating quality, creep resistant is the most excellent in all thermoplastic engineering plastics under the high temperature, and has excellent acid, alkaline-resisting, chemical proofing, stability to hydrolysis is fabulous, molding shrinkage and thermal expansivity are little, and dimensional stability is good, and goods use its stable performance repeatedly in high pressure steam.PPO has been widely used in aspects such as electronic apparatus, automobile, household electrical appliance, office equipment and industrial machinery.As special engineering plastics, though polyphenylene sulfide has above-mentioned excellent properties since its still exist such as poor solvent resistance, goods stress cracking takes place easily, notched Izod impact strength is low, melt viscosity height, weak points such as processing forming difference.
Because above-mentioned defective and the cost factor of PPO, the modification of PPO is become the focus of domestic and international research, its main means have fiber reinforcement PPO, particles filled MODIFIED PP O and with polymer blending etc., and are specific as follows:
(1) fiber reinforcement PPO matrix material
Fiber commonly used has glass fibre (GF) and carbon fiber (CF), can reach the intensity, rigidity and the stable on heating purpose that improve material, and conventional working methods such as technology is simple, extrudes, mold pressing, injection moulding all are suitable for.But each that use that fiber carries out can increasing when performance strengthens material to PPO makes physics, the chemical property of matrix material on the crystal different directions differ bigger to abnormal shape.Whisker (Whisker) is metal oxide or the salt with certain length-to-diameter ratio (general L/D＞20), be different from general powder filler, its fibrous microtexture makes it as filler filled high polymer material the time, intensity effect with significant strongthener, and the big defective of material anisotropy can overcome fibre reinforced composites the time.
Prior art shows: the adding of fiber (or whisker) makes the thermomechanical property of PPO improve, and mechanical property is enhanced, and the tensile strength and the flexural strength of matrix material all are improved.
(2) particles filled MODIFIED PP O
The exploitation of polymer/inorganic filler composite materials, be the cost of wishing on the basis that guarantees material property, to reduce material at first, yet, development through decades, especially after nanotechnology produces, the polymer/inorganic filler composite materials has not only been realized the purpose that reduces cost, and the adding of mineral filler can also improve performances such as the rigidity, thermotolerance, enhancing, plasticising of matrix material, toughness reinforcing and electroconductibility.But consistency is relatively poor between inorganics and the macromolecular polymer, is difficult to guarantee nanoparticle homodisperse therein, thereby the reinforced effects of material property is had a greatly reduced quality.
(3) PPO and polymer blending modification
In recent years, people utilize polystyrene (PS), high-impact polystyrene (HIPS), polyamide (PA), polybutylene terephthalate (PBT), polyphenylene sulfide (PPS) to wait PPO is carried out the research of modification many.
The PPO/PS composite study is found that the PPO/PS alloy can keep the good characteristic of pure PPO, and its flowability improves; After HIPS added PPO, the notched Izod impact strength of material increased but is no more than 15KJ/m
2PPO/PA (polymeric amide), PPO/PBT (polybutylene terephthalate), PPO/PPS (polyphenylene sulfide) matrix material have improved thermotolerance, oil-proofness and the solvent resistance of PPO.
Modified effect is with to add the polymer property degree of correlation big, and when polymkeric substance and PPO are complete perhaps complete mutually when incompatible, modified effect is not satisfactory.
To sum up, the existing reinforced composite that also needs to study PPO, so that this matrix material has more excellent abrasive, thermotolerance and supporting capacity (PV ultimate value height), preparation technology is simple, price is lower.
Summary of the invention
First technical problem to be solved by this invention provides that a kind of intensity height, wear resistance are good, good heat resistance and the high polyphenylene oxide based composites of supporting capacity.
Second technical problem to be solved by this invention provides a kind of technology polyphenylene oxide based composites preparation method simple, with low cost.
The 3rd technical problem to be solved by this invention provides a kind of application of this polyphenylene oxide based composites.
In order to solve above-mentioned first technical problem, polyphenylene oxide based composites provided by the invention comprises polyphenylene oxide, 25-35% high-impact polystyrene, the potassium titanate crystal whisker that 15-25% crosses with coupling agent treatment, the tetrafluoroethylene of 8%-12% and an amount of processing aid that mass percent is 35-45%.
Specifically, mix with potassium titanate crystal whisker after the described coupling agent hydrolysis, make the described potassium titanate crystal whisker of crossing with coupling agent treatment, the consumption of wherein said coupling agent is the 1-3% of described potassium titanate crystal whisker weight.
Further preferred, comprise polyphenylene oxide, 28-32% high-impact polystyrene, potassium titanate crystal whisker weight percentage that mass percent is 38-42% and be 18～22%, the tetrafluoroethylene weight percentage is 10%.
Specifically, described processing aid comprises at least a in oxidation inhibitor and the dispersion agent; Described processing aid is selected from oxidation inhibitor 168, antioxidant 1010, white oil and silicone oil; Described coupling agent is selected from KH550 and KH570.
In order to solve above-mentioned second technical problem, the preparation method of polyphenylene oxide based composites provided by the invention specifically may further comprise the steps:
(a) with the coupling agent hydrolysis, and with the even mix of potassium titanate crystal whisker, oven dry activation then, the consumption of wherein said coupling agent is the 1-3% of potassium titanate crystal whisker weight;
(b) with mass percent be polyphenylene oxide, 25-35% high-impact polystyrene, the potassium titanate crystal whisker that 15-25% crosses with coupling agent treatment, the tetrafluoroethylene of 8%-12% and an amount of processing aid mixing after drying of 35-45%;
(c) adopt the even batch mixing of mixer;
(d) through extruding, after the pelletizing, oven dry, carrying out product molding.
Described extrude with injecting forming temperature at 220-240 ℃.
In order to solve above-mentioned the 3rd technical problem, the application of polyphenylene oxide based composites provided by the invention, the polyphenylene oxide based composites is applied in to be made in the wear part.Particularly, described wear part comprises water pump guide bearing, oil pump guide bearing, slide block and like parts.
The present invention creatively adopts high-impact polystyrene, potassium titanate crystal whisker, tetrafluoroethylene polyphenylene ether to carry out modification.Utilize the self lubricity of tetrafluoroethylene, form uniform transfer film on to flour milling, friction becomes the friction of PTFE and matrix material in friction process, improves the self lubricity of matrix material, reduces abrasion loss, improves composite-material abrasive; Potassium titanate crystal whisker then makes the tensile strength of matrix material and flexural strength all be improved, and has improved the thermotolerance of matrix material; High-impact polystyrene can improve PPO flowability, improve its shock resistance.
The PPO based composites excellent performance that invention provides, show the mechanical property aspect: tensile strength reaches 62-75MPa, and flexural strength reaches 73-125MPa, and shock strength can reach 8.0-13.5KJ/m
2, the PV ultimate value is 2.2-3.1MPa.m/s; Aspect thermal characteristics, life-time service temperature 〉=120 ℃; Aspect tribological property, frictional coefficient is 0.18-0.19, and abrasion loss is 5-7mg.
The preparation technology of PPO based composites of the present invention is simple to operation, and preparation cost is cheap.
PPO matrix material of the present invention can be applied on the various wear parts in fields such as aerospace, machinery, automobile component, petrochemical industry, water (oil) pump guide bearing especially, and use range is extensive, and using value is outstanding.
Embodiment
PPO based composites of the present invention comprises PPO, HIPS, PTW, PTFE and an amount of processing aid, preferably, comprise the PTFE of PTW, 8-12% of HIPS, 15-25% of PPO, 25-35% of 35-45% and an amount of processing aid in the PPO matrix material; Further, comprise the PTW of HIPS, 18-22% of PPO, 28-32% that weight percentage is 38-42% and 10% PTFE.
Potassium titanate crystal whisker (PTW) is the high performance composite toughener of latest generation, is a kind of inferior nano material of fiber fines shape, is that molecular formula is K
2OnTiO
2The artificial mineral, n=2 wherein, 4 o'clock is laminate structure, n=6,8 o'clock is tunnel structure, has good mechanical performance and physicals, also has very high electrical insulating property, heat-resisting (in air 1200 ℃), heat-proof quality and excellent infrared wavelength zone emitting performance.The coefficient of expansion and plastics are suitable, and the composite reinforced plastics consistency is good, show good wear resistance and oilness, and its key technical indexes is as follows: intensity: tension 7000MPa; Modulus: 280GPa; Size is tiny: Ф 0.2-1.0 * 10-50 μ m.It makes the tensile strength of PEEK matrix material and tensile modulus be improved, and because the hardness lower (Mohs' hardness only is 4) of PTW is also less to the wearing and tearing of processing units and mould.
High-impact polystyrene (HIPS) is High Impact Polystryrene, is called for short HIPS.It comes down to the impact modified kind of PS, and be PS and rubber main the composition, and its outstanding characteristic is that easy processing, dimensional stability are good, shock strength is high, and higher rigidity is arranged.But certain deficiency is arranged comparing with PS aspect thermotolerance, tensile strength, transparency, oxygen perviousness, ultraviolet light stability and the oil resistant moral character.Main rising improved shock strength in matrix material, improves the processing characteristics effect.
Polytetrafluoroethylene (PTFE) is described as " plastics king ", is current widely used both at home and abroad one of self lubricity special engineering plastics that has.Contain 13 or 15-CF4-base chemical repeat unit in the PTFE molecule, do not have branch and do not form interlinkage each other, so its molecule profile is smooth, these 2 kinds of slick molecule profiles make it both have the characteristic of low friction, can transfer in sliding process again and form thin transfer film on the dual face, be ideal solid antifriction material.It exists as solid lubricant and does not melt in matrix material, the result makes its very fast generation viscous deformation and be extruded reunion under fricative strong machinery and heat effect effect, and finally form flap to the face that rubs is shifted, form transfer film, thereby improved the wear resistance of matrix material.
Aforementioned processing aid comprises oxidation inhibitor, dispersion agent etc.
Antioxidant is used to improve the processing and the stability in storage of the present composition in the present invention as optional component.Can eliminate the free radical that has just produced, perhaps impel the decomposition of hydroperoxide, stop the carrying out of chain reaction, can suppress or delay the organic compound of superpolymer and the thermooxidizing in air of other organic compound, then can keep the premium properties of macromolecular material, increase the service life.Preferred oxidation inhibitor 168, antioxidant 1010 among the present invention, but be not limited to them.
Dispersion agent is used to improve the mixing of materials homogeneity of the present composition in the present invention as optional component.Embodiments of the invention adopt white oil, silicone oil, but are not limited to them.
Processing aid of the present invention specifically can be selected from oxidation inhibitor 168, antioxidant 1010, white oil, silicone oil, but is not limited to them.
PPO matrix material of the present invention has excellent performance, strengthens the PPO matrix material with continuous fibre and compares, and the anisotropy that the present invention adopts whisker to strengthen and can weaken matrix material is inclined to, and the performance gap of matrix material on all directions reduced; PPO compares with polymer modification, can improve the supporting capacity of matrix material, can improve the tribological property of matrix material again; Comparing cost with existing carbon fibre reinforcement reduces significantly.See following table 1 for details with the performance comparison result of single MPPO material:
Table 1
| Performance | PPO (70wt%)/HIPS (30wt%) blend | Matrix material of the present invention |
| Tensile strength (MPa) | 65 | 62～75 |
| Flexural strength (MPa) | 98 | 93～125 |
| Shock strength (KJ/m 2) | 8.3 | 8.0-13.5 |
| PV ultimate value (MPa.m/s) | 1.8 | 2.2～3.1 |
| Heat-drawn wire (℃) | 132 | ≥145 |
| Frictional coefficient | 0.26 | 0.18～0.19 |
| Wearing and tearing person (mg) | 13 | 5～7 |
The present invention also provides the preparation method embodiment of above-mentioned PPO matrix material, may further comprise the steps:
(a) earlier with coupling agent treatment potassium titanate and oven dry, for this reason, can be with being coupling agent and the even mix of potassium titanate after the hydrolysis of potassium titanate crystal whisker weight 1-3%, oven dry then, preferred bake out temperature is 80-100 ℃, coupling agent is selected from but is not limited to KH550, KH570, adopts the interior coupling agent commonly used of other industry not influence realization of the present invention;
(b) with the PTFE of PTW, the 8-12% of HIPS, the 15-25% of PPO, the 25-35% of 35-45% and an amount of processing aid mixing after drying;
(c) adopted the mixer batch mixing 2-3 hour;
(d) through extruding, after the pelletizing, oven dry, carrying out product molding.Extrusion step can adopt the twin screw extruder of disposable type to realize; Forming step can adopt any injection moulding machine moulding, does not also influence the realization of the embodiment of the invention.Extrude with injection temperature at 220 ℃-240 ℃.
Below be the preparation method and the concrete Application Example of PPO based composites.
Embodiment 1:
(a) dried by the fire 2 hours down with the processing PTW of the coupling agent KH550 after the hydrolysis and at 100 ℃;
(b) be that PTFE, 0.3% antioxidant 1010,0.3% the oxidation inhibitor 168 of 38.4% PPO, 30% HIPS, 20% PTW that handled and 10% and 1% silicone oil mix the back and dries with loft drier with mass percent, bake out temperature is 80 ℃, and the time is 2 hours;
(c) adopted the efficient mixer batch mixing of TM2 type eddy current type 3 hours;
(d) the employing twin screw is extruded the blend pelletizing and after 3 hours, is carried out product molding with injection moulding machine in 100 ℃ of oven dry again, and injecting forming temperature is at 240 ℃.
Preparing the 1000gPPO matrix material with need is example, handle 200g potassium titanate and oven dry with 6.0g coupling agent KH550 earlier, again the silicone oil of the oxidation inhibitor 168 of the antioxidant 1010 of the PTFE of 384gPPO, 300gPPO, 100g, PTW, 3g that 200g handled, 3g and 10g is mixed after by the prescription weighing, dried 2 hours with 80 ℃ at loft drier, adopted the efficient mixer batch mixing of TM2 type eddy current type 3 hours, again with twin screw extrude the blend pelletizing and in 100 ℃ the oven dry 3 hours after, use the injection moulding machine moulded products, get sample 1.
Embodiment 2:
(a) dried by the fire 2 hours down with the processing PTW of the coupling agent KH550 after the hydrolysis and at 100 ℃;
(b) be that PTFE, 0.3% antioxidant 1010,0.3% the oxidation inhibitor 168 of 45% PPO, 28.4% HIPS, 15% PTW that handled and 10% and 1% silicone oil mix the back and dries with loft drier with weight percentage, bake out temperature is 80 ℃, and the time is 2 hours;
(c) adopted the efficient mixer batch mixing of TM2 type eddy current type 3 hours;
(d) the employing twin screw is extruded the blend pelletizing and after 3 hours, is carried out product molding with injection moulding machine in 100 ℃ of oven dry again, and injecting forming temperature is at 220 ℃.
Preparing the 1000gPPO matrix material with need is example, handle 150g potassium titanate and oven dry with 4.5g coupling agent KH550 earlier, again the silicone oil of the oxidation inhibitor 168 of the antioxidant 1010 of the PTFE of 450gPPO, 284gHIPS, 100g, potassium titanate crystal whisker that 150g handled, 3g, 3g and 10g is mixed after by the prescription weighing, dried 2 hours with 80 ℃ at loft drier, adopted the efficient mixer batch mixing of TM2 type eddy current type 3 hours, again with twin screw extrude the blend pelletizing and in 100 ℃ the oven dry 3 hours after, use the injection moulding machine moulded products, get sample 2.
Embodiment 3:
(a) dried by the fire 2 hours down with the processing potassium titanate crystal whisker of the coupling agent KH550 after the hydrolysis and at 100 ℃;
(b) be that PTFE, 0.3% antioxidant 1010,0.3% the oxidation inhibitor 168 of 35% PPO, 28.4% HIPS, 25% PTW that handled and 10% and 1% silicone oil mix the back and dries with loft drier with mass percent, bake out temperature is 80 ℃, and the time is 2 hours;
(c) adopted the efficient mixer batch mixing of TM2 type eddy current type 3 hours;
(d) the employing twin screw is extruded the blend pelletizing and after 3 hours, is carried out product molding with the high-temperature injection machine in 100 ℃ of oven dry again, and injecting forming temperature is at 230 ℃.
Preparing 1000g PPO matrix material with need is example, handle 250g potassium titanate and oven dry with 7.5g coupling agent KH550 earlier, again the silicone oil of the oxidation inhibitor 168 of the antioxidant 1010 of the PTFE of HIPS, the 100g of PPO, the 284g of 350g, potassium titanate crystal whisker that 250g handled, 3g, 3g and 10g is mixed after by the prescription weighing, dried 2 hours with 80 ℃ at loft drier, adopted the efficient mixer batch mixing of TM2 type eddy current type 3 hours, again with twin screw extrude the blend pelletizing and in 100 ℃ the oven dry 3 hours after, use the injection moulding machine moulded products, get sample 3.
Embodiment 4:
(a) dried by the fire 2 hours down with the processing PTW of the coupling agent KH550 after the hydrolysis and at 100 ℃;
(b) be that PTFE, 0.2% antioxidant 1010,0.2% the oxidation inhibitor 168 of 42% PPO, 25% HIPS, 20% PTW that handled and 12% and 0.6% silicone oil mix the back and dries with loft drier with mass percent, bake out temperature is 100 ℃, and the time is 2 hours;
(c) adopted the efficient mixer batch mixing of TM2 type eddy current type 2 hours;
(d) the employing twin screw is extruded the blend pelletizing and after 3 hours, is carried out product molding with injection moulding machine in 110 ℃ of oven dry again, and injecting forming temperature is at 225 ℃.
Preparing 1000g PPO matrix material with need is example, handle 200g potassium titanate and oven dry with 6.0g coupling agent KH550 earlier, again the silicone oil of the oxidation inhibitor 168 of the antioxidant 1010 of the PTFE of HIPS, the 120g of PPO, the 250g of 400g, potassium titanate crystal whisker that 200g handled, 2g, 2g and 6g is mixed after by the prescription weighing, dried 2 hours with 80 ℃ at loft drier, adopted the efficient mixer batch mixing of TM2 type eddy current type 3 hours, again with twin screw extrude the blend pelletizing and in 100 ℃ the oven dry 3 hours after, use the injection moulding machine moulded products, get sample 4.
Embodiment 5:
(a) dried by the fire 2 hours down with the processing PTW of the coupling agent KH550 after the hydrolysis and at 100 ℃;
(b) be that PTFE, 0.3% antioxidant 1010,0.3% the oxidation inhibitor 168 of 38% PPO, 35% HIPS, 18% PTW that handled and 8% and 0.4% silicone oil mix the back and dries with loft drier with mass percent, bake out temperature is 80 ℃, and the time is 2 hours;
(c) adopted the efficient mixer batch mixing of TM2 type eddy current type 3 hours;
(d) the employing twin screw is extruded the blend pelletizing and after 2 hours, is carried out product molding with injection moulding machine in 100 ℃ of oven dry again.
Preparing 1000g PPO matrix material with need is example, handle 180g potassium titanate and oven dry with 5.4g coupling agent KH550 earlier, again the silicone oil of the oxidation inhibitor 168 of the antioxidant 1010 of the PTFE of HIPS, the 80g of PPO, the 350g of 380g, potassium titanate crystal whisker that 180g handled, 3g, 3g and 4g is mixed after by the prescription weighing, dried 2 hours with 80 ℃ at loft drier, adopted the efficient mixer batch mixing of TM2 type eddy current type 3 hours, again with twin screw extrude the blend pelletizing and in 100 ℃ the oven dry 3 hours after, use the injection moulding machine moulded products, get sample 5.
Embodiment 6:
(a) dried by the fire 2 hours down with the processing PTW of the coupling agent KH550 after the hydrolysis and at 100 ℃;
(b) be that PTFE, 0.5% antioxidant 1010,0.5% the oxidation inhibitor 168 of 40% PPO, 28% HIPS, 22% PTW that handled and 8% and 1% silicone oil mix the back and dries with loft drier with mass percent, bake out temperature is 90 ℃, and the time is 1.5 hours;
(c) adopted the efficient mixer batch mixing of TM2 type eddy current type 2.5 hours;
(d) the employing twin screw is extruded the blend pelletizing and after 4 hours, is carried out product molding with the high-temperature injection machine in 80 ℃ of oven dry again, and injecting forming temperature is at 235 ℃.
Preparing 1000g PPO matrix material with need is example, handle 220g potassium titanate and oven dry with 6.6g coupling agent KH550 earlier, again the silicone oil of the oxidation inhibitor 168 of the antioxidant 1010 of the PTFE of HIPS, the 80g of PPO, the 280g of 400g, potassium titanate crystal whisker that 220g handled, 5g, 5g and 10g is mixed after by the prescription weighing, dried 2 hours with 80 ℃ at loft drier, adopted the efficient mixer batch mixing of TM2 type eddy current type 3 hours, again with twin screw extrude the blend pelletizing and in 100 ℃ the oven dry 3 hours after, use the molding machine moulded products, get sample 6.
Embodiment 7:
(a) dried by the fire 2 hours down with the processing PTW of the coupling agent KH550 after the hydrolysis and at 100 ℃;
(b) be that PTFE, 0.3% antioxidant 1010,0.3% the oxidation inhibitor 168 of 38.4% PPO, 32% HIPS, 20% PTW that handled and 8% and 1% silicone oil mix the back and dries with loft drier with mass percent, bake out temperature is 100 ℃, and the time is 1 hour;
(c) adopted the efficient mixer batch mixing of TM2 type eddy current type 3 hours;
(d) the employing twin screw is extruded the blend pelletizing and after 2 hours, is carried out product molding with injection moulding machine in 120 ℃ of oven dry again, and injecting forming temperature is at 240 ℃.
Preparing 1000g PPO matrix material with need is example, handle 200g potassium titanate and oven dry with 6.0g coupling agent KH550 earlier, again the silicone oil of the oxidation inhibitor 168 of the antioxidant 1010 of the PTFE of HIPS, the 80g of PPO, the 320g of 384g, potassium titanate crystal whisker that 200g handled, 5g, 5g and 10g is mixed after by the prescription weighing, dried 2 hours with 80 ℃ at loft drier, adopted the efficient mixer batch mixing of TM2 type eddy current type 3 hours, again with twin screw extrude the blend pelletizing and in 100 ℃ the oven dry 3 hours after, use the injection moulding machine moulded products, get sample 7.
Comparative example 1:
Because this matrix material mainly is conceived to substitute expensive Canadian import and matches imperial bearing materials, so adopt standard type black match dragon (being the XL type) to contrast.It is a most frequently used grade in the imperial bearing of match, and abrasion resistance is fabulous, and frictional coefficient is less.I purchase from market to take a sample the product and have carried out the supporting capacity experiment, and concrete outcome sees Table comparative example 1 in 2, and wherein some is data from " the imperial bearing Technical Manual-Engineering of Canada's match ".
Comparative example 2:
Because bronze commonly used is made water lubricated bearing, select for use the tinbronze purchased on the market as a comparative example herein, its data see Table the comparative example 2 in 2, and some data is come the autocorrelation handbook.
The performance comparison of table 2. product of the present invention and Comparative Examples product
The PPO based composites that the present invention can make aforesaid method is applied in the manufacturing processing of multiple wear part, as bearing, sealing member etc., specifically can be used for making water lubricating guide bearing, slide block, sealing-ring etc.See following embodiment for details.
Embodiment 8:
Embodiment 1 resulting PPO matrix material (weight percentage that promptly comprises PPO is 40% PPO matrix material) is used to make the water lubricating guide bearing.
(1) according to the guide bearing drawing, the design injection mold guarantees to reach the size and the accuracy requirement of drawing;
(2) weight percentage that will comprise PPO is that 40% PPO matrix material pellet is at 90 ℃ of baking 2～3h;
(3) on injection moulding machine, carry out injection operation and promptly get product.Machined parameters is a temperature: 200 ℃-220 ℃-245 ℃; Pressure: 80bar-100bar-100bar; Time: 30s-30s-50s can adjust according to the products thickness difference.
Embodiment 9:
Embodiment 2 resulting PPO matrix materials (weight percentage that promptly comprises PPO is 35% PPO matrix material) are used to make slide block.
(1) according to the slide block drawing, the design injection mold guarantees to reach the size and the accuracy requirement of drawing;
(2) 35% PPO matrix material pellet is at 90 ℃ of baking 2～3h;
(3) on injection moulding machine, carry out injection operation and promptly get product.Concrete machined parameters is a temperature: 200 ℃-220 ℃-245 ℃; Pressure: 80bar-100bar-100bar; Time: 30s-30s-50s can adjust according to the products thickness difference;
Table 3. product performance of the present invention
| Performance perameter | Embodiment 4 (guide bearing) | Embodiment 5 (slide block) |
| Tensile strength (MPa) | ?68 | 69 |
| Flexural strength (MPa) | ?112 | 115 |
| Shock strength (MPa) | ?10.3 | 9.3 |
| PV ultimate value (MPa.m/s) | ?/ | / |
| Heat-drawn wire (℃) | ?146 | 148 |
| Frictional coefficient | ?0.185 | 0.183 |
| Abrasion loss (mg) | ?5.5 | 5.3 |
It will be recognized by those skilled in the art, perhaps just can determine the equivalence replacement of the specific embodiment of the invention according to conventional experience.Be not limited to above-mentioned embodiment so should be understood that scope of the present invention.Therefore, should be appreciated that those skilled in the art can be under the situation that does not deviate from scope and spirit of the present invention, embodiment is changed or revises, still within protection domain of the present invention.
Claims (10)
1. a polyphenylene oxide based composites is characterized in that: comprise polyphenylene oxide, 25-35% high-impact polystyrene, the potassium titanate crystal whisker that 15-25% crosses with coupling agent treatment, the tetrafluoroethylene of 8%-12% and an amount of processing aid that weight percentage is 35-45%.
2. polyphenylene oxide based composites according to claim 1 is characterized in that: comprise polyphenylene oxide, 28-32% high-impact polystyrene, potassium titanate crystal whisker weight percentage that mass percent is 38-42% and be 18～22%, the tetrafluoroethylene weight percentage is 10%.
3. polyphenylene oxide based composites according to claim 1 and 2, it is characterized in that: mix with potassium titanate crystal whisker after the described coupling agent hydrolysis, make the described potassium titanate crystal whisker of crossing with coupling agent treatment, the consumption of wherein said coupling agent is the 1-3% of described potassium titanate crystal whisker weight.
4. polyphenylene oxide based composites according to claim 1 and 2 is characterized in that: described processing aid comprises at least a in dispersion agent and the oxidation inhibitor.
5. polyphenylene oxide based composites according to claim 4 is characterized in that: described processing aid is selected from oxidation inhibitor 168, antioxidant 1010, silicone oil, white oil.
6. polyphenylene oxide based composites according to claim 1 and 2 is characterized in that: described coupling agent is selected from KH550 and KH570.
7. prepare the desirable method that requires 1 described polyphenylene oxide based composites, weight percentage is polyphenylene oxide, 25-35% high-impact polystyrene, the potassium titanate crystal whisker that 15-25% crosses with coupling agent treatment, the tetrafluoroethylene of 8%-12% and an amount of processing aid of 35-45%, it is characterized in that: may further comprise the steps:
(a) with the coupling agent hydrolysis, and with the even mix of potassium titanate crystal whisker, oven dry activation then, the consumption of wherein said coupling agent is the 1-3% of potassium titanate crystal whisker weight;
(b) potassium titanate crystal whisker, tetrafluoroethylene and an amount of processing aid mixing after drying of crossing with polyphenylene oxide, high-impact polystyrene, with coupling agent treatment;
(c) adopt the even batch mixing of mixer;
(d) through extruding, after the pelletizing, oven dry, carrying out product molding.
8. the method for preparing the polyphenylene oxide based composites according to claim 7 is characterized in that: described extrude with injecting forming temperature at 220-240 ℃.
9. the application of polyphenylene oxide based composites according to claim 1 is characterized in that: make wear part.
10. the application of polyphenylene oxide based composites according to claim 8 is characterized in that: described wear part is meant that water oil pump or oil pump are with guide bearing, slide block.
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| CN 201110143042 CN102199342B (en) | 2011-05-30 | 2011-05-30 | Polyphenylene oxide composite material, preparation method thereof and application thereof |
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| CN 201110143042 CN102199342B (en) | 2011-05-30 | 2011-05-30 | Polyphenylene oxide composite material, preparation method thereof and application thereof |
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| CN102199342A true CN102199342A (en) | 2011-09-28 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937207A (en) * | 2014-04-18 | 2014-07-23 | 芜湖凯奥尔环保科技有限公司 | Wear-resistant modified polyphenyl ether material for automotive plastic parts |
| CN103937218A (en) * | 2014-04-18 | 2014-07-23 | 安徽省中日农业环保科技有限公司 | Potassium titanate whisker-modified polyphenylene ether material for automotive plastic parts |
| CN105419210A (en) * | 2015-12-30 | 2016-03-23 | 广东国立科技股份有限公司 | Wear-resistant enhanced PPO/HIPS material and preparation method therefor |
| CN109749395A (en) * | 2017-11-01 | 2019-05-14 | 丹阳百斯特智能系统有限公司 | A kind of wear-resisting illuminating lamp holder |
| CN115895248A (en) * | 2022-11-29 | 2023-04-04 | 惠州市沃特新材料有限公司 | Nylon polyphenyl ether composite material and preparation method and application thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105017754A (en) * | 2015-08-03 | 2015-11-04 | 蓝星（成都）新材料有限公司 | Blending modified polyphenylene oxide master batch and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103937207A (en) * | 2014-04-18 | 2014-07-23 | 芜湖凯奥尔环保科技有限公司 | Wear-resistant modified polyphenyl ether material for automotive plastic parts |
| CN103937218A (en) * | 2014-04-18 | 2014-07-23 | 安徽省中日农业环保科技有限公司 | Potassium titanate whisker-modified polyphenylene ether material for automotive plastic parts |
| CN105419210A (en) * | 2015-12-30 | 2016-03-23 | 广东国立科技股份有限公司 | Wear-resistant enhanced PPO/HIPS material and preparation method therefor |
| CN109749395A (en) * | 2017-11-01 | 2019-05-14 | 丹阳百斯特智能系统有限公司 | A kind of wear-resisting illuminating lamp holder |
| CN115895248A (en) * | 2022-11-29 | 2023-04-04 | 惠州市沃特新材料有限公司 | Nylon polyphenyl ether composite material and preparation method and application thereof |
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| CN102199342B (en) | 2012-12-19 |
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