CN106380846A - Wear-resistant low-floating fiber glass fiber-reinforced polyphenylene sulfide composite material and preparation method thereof - Google Patents
Wear-resistant low-floating fiber glass fiber-reinforced polyphenylene sulfide composite material and preparation method thereof Download PDFInfo
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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
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Abstract
The invention relates to a wear-resistant low-floating fiber glass fiber-reinforced polyphenylene sulfide composite material and a preparation method thereof. The composite material comprises 45-85wt% of polyphenylene sulfide resin, 5-45wt% of glass fibers, 1-15wt% of wear-resistant anti-floating fiber master batches, 0.1-1.5wt% of an anti-oxidant, 0.1-1wt% of a coupling agent, 0.3-1.5wt% of a compatilizer and 0-2.5wt% of other auxiliary agents. The wear-resistant anti-floating fiber master batch comprises 65-95wt% of polyphenylene sulfide resin, 1-25wt% of molybdenum disulfide, 1-25wt% of graphite, 0.1-1wt% of an anti-oxidant, 0.1-2wt% of a compatilizer and 0-2.5wt% of other auxiliary agents. The composite material can eliminate floating fiber-caused influence on product appearance, reduce a wear-resisting agent use amount and improve wear resistance. The preparation method has simple processes and high production efficiency.
Description
Technical field
The invention belongs to field of high polymer material modification is and in particular to a kind of wear-resisting low floating fibre fiberglass reinforced polyphenylene sulfide
Ether composite and preparation method thereof.
Background technology
Polyphenylene sulfide (PPS) is a kind of special engineering plastics of excellent combination property, has intensity height, chemical resistance
The features such as good, fire-retardant, creep resistant, it is widely used in the fields such as automobile, electric, Aero-Space and chemical industry.But, polyphenylene sulfide
Ether there is also that such as fragility is big, the low shortcoming of toughness, governs its further application development.Although PPS increases through glass fibre
Be remarkably improved its mechanical property after strong, but product surface is coarse, low in glossiness, floating fine many it is impossible to meet product well
Appearance requirement；Use in the higher product such as actuating device, take-up housing fixed plate etc. of some wear-resisting requirements simultaneously, single
Fiberglass reinforced PPS composite often limits its application extension because anti-wear performance is not enough.Therefore, strong in order to meet product
Degree, outward appearance and wear-resisting requirement, expand PPS application, further in the urgent need to exploitation anti-wear performance and the glass having concurrently attractive in appearance
Strengthen polyphenyl thioether composite material.
At present, polyphenylene sulfide based composites carry out enhancement process using fiber mostly, and wherein glass fibre has price
The excellent feature of cheap, reinforced effects, is widely used in field of compound material.However, the composite of fiberglass reinforced is easy to
In product surface, floating fibre problem occurs, affect products appearance.Although the surface floating fiber of composite can be entered to it using treatment fluid
Row is processed, but processing procedure is loaded down with trivial details, treatment fluid complicated component, and process control needs are high, and easy impact other property of composite
Can be such as wear-resisting, corrosion-resistant etc..The wearability of composite material surface, scratch resistance can pass through coating or the addition of surface conditioning agent
Anti-wear agent is realizing, but traditional method anti-wear agent addition is big and easy impact matrix mechanical property.The low floating fibre in surface is wear-resisting
PPS based composites rarely have research.This patent selects the polyphenylene sulfide of different melt flow rate, is produced by masterbatch method
Go out the polyphenyl thioether composite material of wear-resisting low floating fibre fiberglass reinforced.The method simple production process, production efficiency is high.
Content of the invention
The present invention is directed to glass fiber reinforcement PPS composite present in prior art and floats fibre outstanding problem it is difficult to expire
Sufficient outward appearance and the use requirement of precision part；In the preparation of PPS base wearing composite material, traditional method anti-wear agent addition is big；Simultaneously single
The present situation that one fiberglass reinforced PPS based composites are limited by application extension because anti-wear performance is not enough, provides a kind of resistance to
Grind low floating fibre fiberglass reinforced polyphenyl thioether composite material and preparation method thereof, the method is simple to operate, is easy to produce.
In order to achieve the above object, the invention provides a kind of wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material,
Following proportioning pressed by raw material：
Low flow rate polyphenylene sulfide：45-85wt.%
Alkali-free glass fibre：5-45wt.%
Wear-resisting anti-floating fibre master batch：1-15wt.%
Antioxidant：0.1-1.5wt.%
Coupling agent：0.1-1wt.%
Compatilizer：0.3-1.5wt.%
Other auxiliary agents：0-2.5wt.%
Described wear-resisting anti-floating fibre master batch raw material consists of：：
High flow rate polyphenylene sulfide：45-95wt.%
Molybdenum bisuphide：1-25wt.%
Graphite：1-25wt.%
Antioxidant：0.1-1wt.%
Compatilizer：0.1-2wt.%
Other auxiliary agents：0-2.5wt.%
Further, low melt flow speed polyphenylene sulfide of the present invention refers to melt under the conditions of 316 DEG C/5Kg and refers to
The polyphenylene sulfide more than 100g/10min for the number；Described high melt flow rate (MFR) polyphenylene sulfide refers under the conditions of 316 DEG C/5Kg
Melt index is more than the polyphenylene sulfide of 450g/10min
Alkali-free glass fiber of the present invention is 10-17 μm for fibre diameter
Compatilizer of the present invention, described compatilizer is that maleic anhydride grafted ethene is common with the binary of acrylic acid methyl ester.
One of polymers (EMA-g-MAH), or grafting maleic anhydride with ethylene propylene terpolymer (EPDM-g-MAH), wherein maleic anhydride contains
Measure as 1.2wt.%, methyl acrylate content is 25wt.%
Antioxidant of the present invention is three (2,4- di-tert-butyl-phenyl) phosphite ester (irgasfos 168), tetramethylolmethane
Class ten dithio propyl ester (412S), four (β-(3,5- di-tert-butyl-hydroxy phenyl) propanoic acid) pentaerythritol ester (antioxidant
1010) at least one in.
Other auxiliary agents of the present invention comprise light stabilizer, lubricant, the wherein preferred V703 of light stabilizer, 5589,
531, the double hard amide (EBS) of lubricant preferred vinyl.
Coupling agent of the present invention is one of titanate coupling agent or Silane coupling agent KH550.
The particle diameter of molybdenum bisuphide of the present invention is 0.5～25 μm.
Graphite of the present invention is expanded graphite or crystalline flake graphite, and particle diameter is 50～200 μm.
A kind of preparation method of the polyphenyl thioether composite material of wear-resisting low floating fibre fiberglass reinforced of the present invention, including such as
Lower step：
(1) prepare wear-resisting anti-floating fibre master batch
By weight, by high melt flow rate (MFR) polyphenylene sulfide 45-95 part, molybdenum bisuphide 1-25 part, graphite 1-25 part, resist
After oxygen agent 0.1-1 part, compatilizer 0.1-2 part add mix homogeneously in high-speed mixer together with other auxiliary agents 0-2.5 part, through double
Screw extruder melting, extrusion, last granulated and dried obtains wear-resisting anti-floating fibre master batch.Wherein processing temperature by an area to 9th area
It is respectively 200 DEG C, 260 DEG C, 270 DEG C, 280 DEG C, 280 DEG C, 285 DEG C, 285 DEG C, 290 DEG C, 290 DEG C, rotating speed is 280r/min, feeds
Material speed is 20r/min.
(2) prepare the polyphenyl thioether composite material of wear-resisting low floating fibre fiberglass reinforced
By weight, the wear-resisting anti-floating fibre master batch 1-15 part prepared by (1) and low melt flow speed PPS45-85 part, no
Alkali glass 5-45 part, antioxidant 0.1-1.5 part, coupling agent 0.1-1 part, compatilizer 0.3-1.5 part and other auxiliary agents 0-2.5 part warp
After high-speed mixer dispersion mixing, this material is melted by double screw extruder, extrusion, cooling, dry wear-resisting low floating fibre
The polyphenyl thioether composite material of fiberglass reinforced.Wherein processing temperature by an area to 9th area be respectively 200 DEG C, 265 DEG C, 275 DEG C,
285 DEG C, 285 DEG C, 290 DEG C, 290 DEG C, 295 DEG C, 295 DEG C, rotating speed is 280r/min, and rate of feeding is 20r/min.
Step (1) of the present invention and (2) drying process are 90 DEG C of dryings 3 hours, are vacuum dried 4 at 100 DEG C
Hour, it is vacuum dried 5 hours at last 130 DEG C.
The present invention compared with prior art, has the advantage that：
1st, in the present invention, the interpolation of wear-resisting anti-floating fibre master batch can eliminate the floating fine shadow to product appearance in PPS composite
Ring, reduce anti-wear agent usage amount, improve material wear ability；Realize strengthening and wear-resisting functions are integrated；It is particularly well-suited to intensity and resistance to
The outward appearance glass fiber reinforced materials of mill sexual balance, can meet the different outward appearance demands of client.
2nd, in the present invention wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material, its mechanical strength is not subject to wear-resisting anti-floating
Fine master batch impact, properties of product adjusted design degree of freedom is big.
3rd, the polyphenyl thioether composite material simple production process of the wear-resisting low floating fibre fiberglass reinforced of the present invention, production efficiency
High.
Brief description
Fig. 1 floats fibre situation range estimation test result chart for outward appearance.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
The present invention is expanded on further below by way of specific embodiment it is necessary to point out that these embodiments are merely to illustrate this
Invent and do not limit the scope of the invention.In addition, it is to be understood that after having read the content of present invention instruction, people in the art
Some nonessential improvement that member makes to the present invention and adjustment still fall within protection scope of the present invention.
In following examples, polyphenylene sulfide all newly synthesizes special material company limited product, wherein low melt stream from Zhejiang
Dynamic speed select 1110C, 1130C, 1H30C, 1230C, 1330C etc., high melt flow rate (MFR) polyphenylene sulfide select 1150C,
1170C, 1190C, 11100C, 1350C etc.
Embodiment 1
1 prepares wear-resisting anti-floating fibre master batch
Take 74 parts of PPS1150C, 15 parts of molybdenum bisuphide, 10 parts of graphite, 0.2 part of irgasfos 168 by weight respectively, light is steady
Determine agent V7030.2 part, 0.3 part of compatilizer EMA-g-MAH, 0.3 part of Lubricate EBS, by above-mentioned material in high-speed mixer
Mix homogeneously, then by mixture through double screw extruder melting, extrusion, finally cooling, the wear-resisting anti-floating of drying to obtain are fine female
Grain.Wherein processing temperature by an area to 9th area be respectively 200 DEG C, 260 DEG C, 270 DEG C, 280 DEG C, 280 DEG C, 285 DEG C, 285 DEG C,
290 DEG C, 290 DEG C, rotating speed is 280r/min, and rate of feeding is 20r/min.
2 prepare wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material
Take wear-resisting anti-floating 8 parts of the master batch of fibre of above-mentioned preparation, 72 parts of polyphenylene sulfide 1110C, continuous glass-fiber by weight respectively
988A18 part, 0.4 part of 0.5 part of compatilizer EPDM-g-MAH, antioxidant 412S, 0.3 part of antioxidant 1010, coupling agent
KH5500.3 part, 0.5 part of Lubricate EBS, by above-mentioned material in high-speed mixer mix homogeneously, then will mixture through double
Screw extruder melting, extrusion, finally cooling, the polyphenyl thioether composite material of the wear-resisting low floating fibre fiberglass reinforced of drying to obtain.
Wherein processing temperature by an area to 9th area be respectively 200 DEG C, 265 DEG C, 275 DEG C, 285 DEG C, 285 DEG C, 290 DEG C, 290 DEG C, 295
DEG C, 295 DEG C, rotating speed be 280r/min, rate of feeding be 20r/min.
Comparative example 1
Take 72 parts of polyphenylene sulfide 1110C by weight, continuous glass-fiber 988A18 part, 0.5 part of compatilizer EPDM-g-MAH,
0.4 part of antioxidant 412S, 0.3 part of antioxidant 1010, coupling agent KH5500.3 part, 0.5 part of Lubricate EBS, by above-mentioned material
Mix homogeneously in high-speed mixer, then by mixture through double screw extruder melting, extrusion, finally cools down, is drying to obtain
Polyphenyl thioether composite material to wear-resisting low floating fibre fiberglass reinforced.Wherein processing temperature by an area to 9th area be respectively 200 DEG C,
265 DEG C, 275 DEG C, 285 DEG C, 285 DEG C, 290 DEG C, 290 DEG C, 295 DEG C, 295 DEG C, rotating speed is 280r/min, and rate of feeding is 20r/
min
Embodiment 2
1 prepares wear-resisting anti-floating fibre master batch
Take 65 parts of PPS1170C by weight respectively, 16.5 parts of molybdenum bisuphide, 17 parts of graphite, 0.4 part of antioxidant 412s,
0.3 part of irgasfos 168,0.5 part of compatilizer EMA-g-MAH, 0.3 part of Lubricate EBS, by above-mentioned material in high-speed mixer
Mix homogeneously, then by mixture through double screw extruder melting, extrusion, finally cooling, the wear-resisting anti-floating of drying to obtain are fine female
Grain.Wherein processing temperature by an area to 9th area be respectively 200 DEG C, 260 DEG C, 270 DEG C, 280 DEG C, 280 DEG C, 285 DEG C, 285 DEG C,
290 DEG C, 290 DEG C, rotating speed is 280r/min, and rate of feeding is 20r/min.
2 prepare wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material
Take wear-resisting anti-floating 12 parts of the master batch of fibre of above-mentioned preparation, 61 parts of polyphenylene sulfide 1130C, continuous glass by weight respectively
Fine 988A25 part, 0.3 part of 0.7 part of compatilizer EMA-g-MAH, antioxidant 412S, 55890.4 parts of light stabilizer, coupling agent
KH5500.3 part, 0.3 part of Lubricate EBS, by above-mentioned material in high-speed mixer mix homogeneously, then will mixture through double
Screw extruder melting, extrusion, finally cooling, the polyphenyl thioether composite material of the wear-resisting low floating fibre fiberglass reinforced of drying to obtain.
Wherein processing temperature by an area to 9th area be respectively 200 DEG C, 265 DEG C, 275 DEG C, 285 DEG C, 285 DEG C, 290 DEG C, 290 DEG C, 295
DEG C, 295 DEG C, rotating speed be 280r/min, rate of feeding be 20r/min.
Embodiment 3
1 prepares wear-resisting anti-floating fibre master batch
Take 60 parts of PPS1190C, 20 parts of molybdenum bisuphide, 18 parts of graphite, 0.5 part of irgasfos 168, antioxygen by weight respectively
10100.4 parts of agent, 0.6 part of compatilizer EMA-g-MAH, 0.5 part of Lubricate EBS, above-mentioned material is mixed in high-speed mixer
Close uniformly, then by mixture through double screw extruder melting, extrusion, finally cooling, drying to obtain wear-resisting anti-floating fibre master batch.
Wherein processing temperature by an area to 9th area be respectively 200 DEG C, 260 DEG C, 270 DEG C, 280 DEG C, 280 DEG C, 285 DEG C, 285 DEG C, 290
DEG C, 290 DEG C, rotating speed be 280r/min, rate of feeding be 20r/min.
2 prepare wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material
Take wear-resisting anti-floating 15 parts of the master batch of fibre of above-mentioned preparation, 53 parts of polyphenylene sulfide 1H30C, continuous glass by weight respectively
Fine 988A30 part, 0.2 part of 0.8 part of compatilizer EMA-g-MAH, antioxidant 412S, 0.2 part of irgasfos 168, titanate coupling agent
0.5 part, 0.3 part of Lubricate EBS, by above-mentioned material in high-speed mixer mix homogeneously, then mixture is squeezed through twin screw
Go out machine melting, extrusion, finally cooling, the polyphenyl thioether composite material of the wear-resisting low floating fibre fiberglass reinforced of drying to obtain.Wherein plus
Work temperature by an area to 9th area be respectively 200 DEG C, 265 DEG C, 275 DEG C, 285 DEG C, 285 DEG C, 290 DEG C, 290 DEG C, 295 DEG C, 295
DEG C, rotating speed is 280r/min, and rate of feeding is 20r/min.
Embodiment 4
1 prepares wear-resisting anti-floating fibre master batch
Take 53 parts of PPS11100C, 20 parts of molybdenum bisuphide, 25 parts of graphite, 0.3 part of irgasfos 168, light by weight respectively
5310.2 parts of stabilizer, 0.9 part of compatilizer EPDM-g-MAH, 0.6 part of Lubricate EBS, by above-mentioned material in high-speed mixer
Middle mix homogeneously, then by mixture through double screw extruder melting, extrusion, finally cooling, the wear-resisting anti-floating of drying to obtain are fine
Master batch.Wherein processing temperature by an area to 9th area be respectively 200 DEG C, 260 DEG C, 270 DEG C, 280 DEG C, 280 DEG C, 285 DEG C, 285 DEG C,
290 DEG C, 290 DEG C, rotating speed is 280r/min, and rate of feeding is 20r/min.
2 prepare wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material
Take wear-resisting anti-floating 10 parts of the master batch of fibre of above-mentioned preparation, 48 parts of polyphenylene sulfide 1230C, continuous glass by weight respectively
Fine 988A40 part, 0.9 part of compatilizer EMA-g-MAH, 0.2 part of irgasfos 168,0.6 part of titanate coupling agent, Lubricate EBS
0.3 part, by above-mentioned material in high-speed mixer mix homogeneously, then by mixture through double screw extruder melting, extrusion,
Cooling, the polyphenyl thioether composite material of the wear-resisting low floating fibre fiberglass reinforced of drying to obtain afterwards.Wherein processing temperature is by an area to nine
Area is respectively 200 DEG C, 265 DEG C, 275 DEG C, 285 DEG C, 285 DEG C, 290 DEG C, 290 DEG C, 295 DEG C, 295 DEG C, and rotating speed is 280r/min,
Rate of feeding is 20r/min.
Embodiment 5
1 prepares wear-resisting anti-floating fibre master batch
Take 88 parts of PPS1350C, 5 parts of molybdenum bisuphide, 5 parts of graphite, 0.2 part of antioxidant 412S, antioxygen by weight respectively
10100.3 parts of agent, 0.6 part of compatilizer EMA-g-MAH, 0.4 part of Lubricate EBS, above-mentioned material is mixed in high-speed mixer
Uniformly, then mixture melted through double screw extruder, extrude, finally cooling, drying to obtain wear-resisting anti-floating fibre master batch.Its
Middle processing temperature by an area to 9th area be respectively 200 DEG C, 260 DEG C, 270 DEG C, 280 DEG C, 280 DEG C, 285 DEG C, 285 DEG C, 290 DEG C,
290 DEG C, rotating speed is 280r/min, and rate of feeding is 20r/min.
2 prepare wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material
Take wear-resisting anti-floating 5 parts of the master batch of fibre of above-mentioned preparation, 63 parts of polyphenylene sulfide 1330C, continuous glass-fiber by weight respectively
988A30 part, 0.8 part of compatilizer EMA-g-MAH, light stabilizer V7030.3 part, 0.2 part of antioxidant 1010, coupling agent
KH5500.4 part, 0.3 part of Lubricate EBS, by above-mentioned material in high-speed mixer mix homogeneously, then will mixture through double
Screw extruder melting, extrusion, finally cooling, the polyphenyl thioether composite material of the wear-resisting low floating fibre fiberglass reinforced of drying to obtain.
Wherein processing temperature by an area to 9th area be respectively 200 DEG C, 265 DEG C, 275 DEG C, 285 DEG C, 285 DEG C, 290 DEG C, 290 DEG C, 295
DEG C, 295 DEG C, rotating speed be 280r/min, rate of feeding be 20r/min.
The testing standard of above-described embodiment 1-5 products obtained therefrom is as follows：
Tensile property test is carried out according to ASTM D638 standard；
Bending property test is carried out according to ASTM D790 standard；
Notch impact strength is carried out according to ASTM D256 standard；
Coefficient of friction is carried out according to ASTM D1894 standard；
Outward appearance floats fibre situation range estimation test result as shown in accompanying drawing table.
Although the present invention is disclosed as above with preferred embodiment, so it is not limited to the present invention, any this area skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and perfect, therefore the protection model of the present invention
Enclose when by being defined that claims are defined.
Claims (11)
1. a kind of wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material it is characterised in that：Following proportioning composition pressed by raw material：
Low melt flow speed polyphenylene sulfide：45-85wt.%
Alkali-free glass fibre：5-45wt.%
Wear-resisting anti-floating fibre master batch：1-15wt.%
Antioxidant：0.1-1.5wt.%
Coupling agent：0.1-1wt.%
Compatilizer：0.3-1.5wt.%
Auxiliary agent：0-2.5wt.%.
2. the wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material of one kind according to claim 1 it is characterised in that：Institute
The wear-resisting anti-floating fibre master batch raw material stated consists of：
High melt flow rate (MFR) polyphenylene sulfide：45-95wt.%
Molybdenum bisuphide：1-25wt.%
Graphite：1-25wt.%
Antioxidant：0.1-1wt.%
Compatilizer：0.1-2wt.%
Other auxiliary agents：0-2.5wt.%.
3. the wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material of one kind according to claim 1 it is characterised in that：Low
Melt flow rate (MFR) polyphenylene sulfide refers to that the melt index under the conditions of 316 DEG C/5Kg is more than the polyphenylene sulfide of 100g/10min；
Described high melt flow rate (MFR) gathers the polyphenylene sulfide referring to that under the conditions of 316 DEG C/5Kg melt index is more than 450g/10min.
4. the wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material of one kind according to claim 1 it is characterised in that：Institute
The alkali-free glass fiber stated is 10-17 μm of glass fibre for fibre diameter.
5. the wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material of one kind according to claim 1 it is characterised in that：Institute
The compatilizer stated is the bipolymer (EMA-g-MAH) of maleic anhydride grafted ethene and acrylic acid methyl ester., or ethylene-propylene-diene monomer
One of glue grafted maleic anhydride (EPDM-g-MAH), wherein maleic anhydride content are 1.2wt.%, methyl acrylate content
For 25wt.%.
6. the wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material of one kind according to claim 1 it is characterised in that：Institute
The antioxidant stated is three (2,4- di-tert-butyl-phenyl) phosphite ester, Pentaerythritols ten dithio propyl ester, four (β-(3,5- bis-
Tert-butyl-hydroxy phenyl) propanoic acid) at least one in pentaerythritol ester.
7. the wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material of one kind according to claim 1 it is characterised in that：Institute
Other auxiliary agents stated comprise light stabilizer, lubricant.
8. the wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material of one kind according to claim 1 it is characterised in that：Institute
The coupling agent stated is titanate coupling agent isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters or silane coupler γ-ammonia
The one of which of propyl-triethoxysilicane.
9. the wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material of one kind according to claim 2 it is characterised in that：Institute
The particle diameter of the molybdenum bisuphide stated is 0.5～25 μm；Described graphite is expanded graphite or crystalline flake graphite, and particle diameter is 50～200 μm.
10. a kind of preparation method of the polyphenyl thioether composite material of wear-resisting low floating fibre fiberglass reinforced, comprises the steps：
(1) prepare wear-resisting anti-floating fibre master batch
By weight, by high melt flow rate (MFR) polyphenylene sulfide 45-95 part, molybdenum bisuphide 1-25 part, graphite 1-25 part, antioxidant
After 0.1-1 part, compatilizer 0.1-2 part add mix homogeneously in high-speed mixer together with other auxiliary agents 0-2.5 part, through twin screw
Extruder melting, extrusion, last granulated and dried obtains wear-resisting anti-floating fibre master batch.Wherein processing temperature is distinguished to 9th area by an area
For 200 DEG C, 260 DEG C, 270 DEG C, 280 DEG C, 280 DEG C, 285 DEG C, 285 DEG C, 290 DEG C, 290 DEG C, rotating speed is 280r/min, feeding speed
Spend for 20r/min；
(2) prepare the polyphenyl thioether composite material of wear-resisting low floating fibre fiberglass reinforced
By weight, the wear-resisting anti-floating fibre master batch 1-15 part prepared by (1) and low melt flow speed PPS45-85 part, alkali-free glass
Glass 5-45 part, antioxidant 0.1-1.5 part, coupling agent 0.1-1 part, compatilizer 0.3-1.5 part and other auxiliary agents 0-2.5 part are through at a high speed
After mixer dispersion mixing, this material is melted by double screw extruder, extrusion, cooling, dry wear-resisting low floating fibre glass
Enhanced polyphenyl thioether composite material.Wherein processing temperature by an area to 9th area be respectively 200 DEG C, 265 DEG C, 275 DEG C, 285 DEG C,
285 DEG C, 290 DEG C, 290 DEG C, 295 DEG C, 295 DEG C, rotating speed is 280r/min, and rate of feeding is 20r/min.
The wear-resisting low floating fibre fiberglass reinforced polyphenyl thioether composite material of 11. one kind according to claim 10 it is characterised in that：
Step (1) and (2) drying process are 90 DEG C of dryings 3 hours, are vacuum dried 4 hours, vacuum at last 130 DEG C at 100 DEG C
It is dried 5 hours.
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| CN115521618A (en) * | 2022-10-20 | 2022-12-27 | 山东赛恩吉新材料有限公司 | Conductive wear-resistant polyphenylene sulfide material and preparation method thereof |
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Application publication date: 20170208 |