CN107746574A - A kind of wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide exempts from spraying composite material and preparation method thereof - Google Patents
A kind of wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide exempts from spraying composite material and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide to exempt from spraying composite material, and raw material is formed by following proportioning：Low melt flow speed polyphenylene sulfide：45 85 parts；Alkali-free glass fibre：5 45 parts；Wear-resisting anti-floating fibre master batch：1 15 parts；Antioxidant：0.1 1.5 parts；Coupling agent：0.1 1 parts；Compatilizer：0.3 1.5 parts；Other auxiliary agents：0 2.5 parts；The wear-resisting anti-floating fibre master batch raw material, which forms, is：High melt flow rate (MFR) polyphenylene sulfide：45 95 parts；Molybdenum disulfide：1 25 parts；Graphite：1 25 parts；Special toner：0.1 5 parts；Antioxidant：0.1 1 parts；Compatilizer：0.1 2 parts；Other auxiliary agents：0 2.5 parts.The composite of the present invention has the beautiful effect that spraying is exempted from one-shot forming, can eliminate the floating fine influence to product appearance, while reduces anti-wear agent usage amount, improves wearability, and technique is simple, and production efficiency is high.
Description
Technical field
The present invention relates to field of high polymer material modification, and in particular to a kind of wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide
Ether exempts from spraying composite material 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 governs its further application development there is also the shortcoming such as fragility is big, toughness is low.Exempt from sprayed on material and refer to one-shot forming
Exempt from the environment-friendly materials of spraying.It, using the technique such as injection or extrusion, it is beautiful to show material by adding special toner in the material
Beautiful appearance；Its appearance can match in excellence or beauty spraying coating process.Although PPS is remarkably improved its power after glass fiber reinforcement
Performance is learned, but product surface is coarse, low in glossiness, floating fine more, it is impossible to meet the appearance requirement of product well；Simultaneously one
A little wear-resisting requirements higher product such as transmission device, take-up housing fixed plate etc. use upper, single fiberglass reinforced PPS composites
Often its application extension is limited because of anti-wear performance deficiency.Therefore, in order to meet product intensity, outward appearance and wear-resisting requirement,
Further expand PPS application fields, there is an urgent need to develop anti-wear performance and it is attractive in appearance both with fiberglass reinforced polyphenylene sulfide exempt to spray
Composite.
At present, polyphenylene sulfide based composites carry out enhancing processing using fiber mostly, and wherein glass fibre has price
Cheap, the characteristics of enhancing effect is excellent, it is widely used in field of compound material.However, the composite of fiberglass reinforced is easy to
Occur floating fine problem in product surface, influence products appearance.Although the surface floating fiber of composite can be entered using treatment fluid to it
Row processing, but processing procedure is cumbersome, treatment fluid complicated component, process control needs are high, and easily other property of influence composite
Can be such as wear-resisting, corrosion-resistant.The wearability of composite material surface, scratch resistance can pass through the coating or addition of surface conditioning agent
Anti-wear agent is realized, but conventional method anti-wear agent addition is big and easily influences matrix mechanical property.The low floating fibre in surface is wear-resisting
PPS based composites rarely have research.A kind of open wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide of Chinese patent 201610766412.5
Ether composite and preparation method thereof, described nanocomposite constituents are：Polyphenylene sulfide 45-85wt%, 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 component is：Polyphenylene sulfide 65-95wt%, two
Molybdenum sulfide 1-25wt%, graphite 1-25wt%, antioxidant 0.1-1wt%, compatilizer 0.1-2wt%, other auxiliary agents：0-
2.5wt%.Chinese patent 201210377154.3 discloses a kind of wear-resisting, high-ductility polyphenyl thioether composite material and its preparation side
Method.The composite of the present invention is made up of the component of following parts by weight：30~75 parts of polyphenylene sulfide, glass fibre 20~50
Part, 5~20 parts of carbon fiber, 5~30 parts of toughener, 0~10 part of polytetrafluoroethylene powder, 0~10 part of ultra-high molecular weight polyethylene, two
2~10 parts of molybdenum sulfide, 0.2~1.5 part of coupling agent, 0.2~1 part of antioxidant, 0.1~0.5 part of the steady agent of light, processing aid 0.2~2
Part.But in the prior art, exempt from spraying composite material on the wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide of the present invention, at present also not
Appear in the newspapers.
The content of the invention
The present invention floats fine outstanding problem for glass fiber reinforcement PPS composites present in prior art, it is difficult to full
The requirement of sufficient outward appearance and precision part；Conventional method anti-wear agent addition is big in prepared by PPS bases wearing composite material；It is simultaneously single
The present situation that one fiberglass reinforced PPS based composites are limited due to anti-wear performance deficiency by application extension, there is provided Yi Zhongxin
Wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide exempt from spraying composite material and preparation method thereof, this method is simple to operate, is easy to give birth to
Production.
First purpose of the present invention is to be directed to deficiency of the prior art, there is provided a kind of wear-resisting low floating fine fiberglass reinforced gathers
Diphenyl sulfide exempts from spraying composite material.
Second object of the present invention is to be directed to deficiency of the prior art, there is provided wear-resisting low floating fine glass increases as described above
Strong polyphenylene sulfide exempts from the preparation method of spraying composite material.
To realize above-mentioned first purpose, the present invention adopts the technical scheme that：
A kind of wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide exempts from spraying composite material, and the composite raw material by matching somebody with somebody as follows
Than composition：
Low melt flow speed polyphenylene sulfide：45-85 parts；
Alkali-free glass fibre：5-45 parts；
Wear-resisting anti-floating fibre master batch：1-15 parts；
Antioxidant：0.1-1.5 parts；
Coupling agent：0.1-1 parts；
Compatilizer：0.3-1.5 parts；
Other auxiliary agents：0-2.5 parts.
As the preferred embodiment of the present invention, the wear-resisting anti-floating fibre master batch raw material composition is：
High melt flow rate (MFR) polyphenylene sulfide：45-95 parts；
Molybdenum disulfide：1-25 parts；
Graphite：1-25 parts；
Special toner：0.1-5 parts；
Antioxidant：0.1-1 parts；
Compatilizer：0.1-2 parts；
Other auxiliary agents：0-2.5 parts；
Described special toner refers to the one kind of particle diameter in the aluminium powder, slide or pearl essence of 20-30 μ m diameters, the aluminium
Powder is silver dollar shape, cornflakes shape, spherical.
As the present invention a preferred embodiment, the low melt flow speed polyphenylene sulfide refer to 316 DEG C/
Melt index under the conditions of 5Kg is less than 100g/10min polyphenylene sulfide；Described high melt flow rate (MFR) is poly- to be referred to 316
DEG C/5Kg under the conditions of melt index be more than 450g/10min polyphenylene sulfide.
As the preferred embodiment of the present invention, described alkali-free glass fibre refers to that fibre diameter is 10-17 μm
Glass fibre.
As the preferred embodiment of the present invention, described compatilizer is maleic anhydride grafted ethene and acrylic acid first
The bipolymer (EMA-g-MAH) of ester, or one kind in grafting maleic anhydride with ethylene propylene terpolymer (EPDM-g-MAH), wherein
Maleic anhydride content is 1.2wt.%, methyl acrylate content 25wt.%.
As the preferred embodiment of the present invention, described antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous acid
In ester, 12 thio propyl ester of Pentaerythritols, four (β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol esters extremely
Few one kind.
As the preferred embodiment of the present invention, other described auxiliary agents are light stabilizer or lubricant.
As the preferred embodiment of the present invention, the aluminium powder is from surfacing, the silver dollar shape aluminium of neat in edge
Powder.
As the preferred embodiment of the present invention, described coupling agent is that (two is pungent for titanate coupling agent isopropyl three
Base pyrophosphoric acid acyloxy) titanate esters or silane coupler γ-aminopropyl triethoxysilane one of which；The curing
The particle diameter of molybdenum is 0.5~25 μm；The graphite is expanded graphite or crystalline flake graphite, and particle diameter is 50~200 μm.
To realize above-mentioned second purpose, the present invention adopts the technical scheme that：
Wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide as described above exempts from the preparation method of spraying composite material, and its feature exists
In comprising the following steps：
(1) wear-resisting anti-floating fibre master batch is prepared
Raw material is taken by weight ratio, by high melt flow rate (MFR) polyphenylene sulfide, molybdenum disulfide, graphite, special toner, antioxygen
Agent, compatilizer and other auxiliary agents add together in high-speed mixer be well mixed after, melt, extrude through double screw extruder, most
Granulated and dried obtains wear-resisting anti-floating fibre master batch afterwards；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 280r/min, rate of feeding 20r/min.
(2) prepare wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide and exempt from spraying composite material
Raw material is taken by weight ratio, wear-resisting anti-floating fibre master batch and low melt flow speed PPS, the alkali-free that will be prepared in (1)
Glass, antioxidant, coupling agent, compatilizer and other auxiliary agents pass through twin-screw after high-speed mixer dispersion mixing, by this material
Extruder melting, extrusion, cool down, be dry that wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide exempts from spraying composite material；Wherein process
Temperature 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 by an area to 9th area,
Rotating speed is 280r/min, rate of feeding 20r/min.
Described step (1) and (2) drying process be 90 DEG C and dry 3 hours, is dried in vacuo 4 hours at 100 DEG C, most
It is dried in vacuo 5 hours at 130 DEG C afterwards.
The invention has the advantages that：
1st, the present invention selects the polyphenylene sulfide of different melt flow rate, and wear-resisting low floating fibre is produced by masterbatch method
The polyphenylene sulfide of fiberglass reinforced exempts from spraying composite material.This method simple production process, production efficiency are high.
2nd, the addition of wear-resisting anti-floating fibre master batch can eliminate and the fine shadow to product appearance is floated in PPS composites in the present invention
Ring, reduce anti-wear agent usage amount, improve material wear ability；Realize that enhancing and wear-resisting functions integrate；Especially suitable for intensity and resistance to
The outward appearance glass fiber reinforced materials of sexual balance are ground, the different outward appearance demands of client can be met.
3rd, the polyphenylene sulfide of wear-resisting low floating fine fiberglass reinforced exempts from spraying composite material in the present invention, and its mechanical strength is not by resistance to
Grinding anti-floating fibre master batch influences, and the properties of product adjusted design free degree is big.
4th, the polyphenylene sulfide of wear-resisting low floating fine fiberglass reinforced of the invention exempts from the effect that spraying composite material can reach spraying.
Compared with spraying, material product production yield is high, no to spray the environmental pollution brought；Simple production process simultaneously, production efficiency
It is high.
5th, special toner is added in wear-resisting anti-floating fibre master batch of the invention, the toner uses a diameter of 20-30 μm of silver
First shape aluminium powder, prepared composite appearance is more glittering, and the effect of spraying is more preferable.
Embodiment
The invention will be further elucidated with reference to specific embodiments.It should be understood that these embodiments are merely to illustrate this hair
Bright rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention recorded has been read, art technology
Personnel can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Fixed scope.Polyphenylene sulfide newly synthesizes special material Co., Ltd product, wherein low melt from Zhejiang in following examples
Flow rate from 1110C, 1130C, 1H30C, 1230C, 1330C etc., high melt flow rate (MFR) polyphenylene sulfide from 1150C,
1170C, 1190C, 11100C, 1350C etc..
The wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide of embodiment 1 exempts from the preparation of spraying composite material
(1) wear-resisting anti-floating fibre master batch is prepared
Take 73 parts of polyphenylene sulfide 1150C, 15 parts of molybdenum disulfide, 10 parts of graphite, 1 part of aluminium powder, antioxidant respectively by weight
168 0.2 parts, 0.3 part of 0.2 part of light stabilizer V703, compatilizer EMA-g-MAH, 0.3 part of Lubricate EBS, the aluminium powder is adopted
With a diameter of 20-30 μm of silver dollar shape aluminium powder；Above-mentioned material is well mixed in high-speed mixer, then by mixture through double
Screw extruder melting, extrusion, are finally cooled down, the wear-resisting anti-floating fibre master batch of drying to obtain.Wherein processing temperature is by an area to nine
Area 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 280r/min,
Rate of feeding is 20r/min.
(2) prepare wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide and exempt from spraying composite material
Take wear-resisting 8 parts of the anti-floating fibre master batch of above-mentioned preparation, 72 parts of polyphenylene sulfide 1110C, continuous glass-fiber respectively by weight
0.5 part of 18 parts of 988A, compatilizer EPDM-g-MAH, 0.4 part of antioxidant 412S, 0.3 part of antioxidant 1010, coupling agent
0.3 part of KH550,0.5 part of Lubricate EBS, above-mentioned material is well mixed in high-speed mixer, then by mixture through double
Screw extruder melting, extrusion, finally cooling, the polyphenylene sulfide of the wear-resisting low floating fine fiberglass reinforced of drying to obtain are exempted to spray compound
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 280r/min, rate of feeding 20r/min.
Comparative example 1
72 parts of polyphenylene sulfide 1110C, 18 parts of continuous glass-fiber 988A, compatilizer EPDM-g-MAH 0.5 are taken by weight
Part, 0.4 part of antioxidant 412S, 0.3 part of antioxidant 1010,0.3 part of coupling agent KH550,0.5 part of Lubricate EBS will be above-mentioned
Material is well mixed in high-speed mixer, and then mixture is melted through double screw extruder, is extruded, and is finally cooled down, is dried
The polyphenylene sulfide for obtaining wear-resisting low floating fine fiberglass reinforced exempts from spraying composite material.Wherein processing temperature is distinguished by an area to 9th area
For 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 280r/min, feeding is fast
Spend for 20r/min.
The wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide of embodiment 2 exempts from the preparation of spraying composite material
(1) wear-resisting anti-floating fibre master batch is prepared
Take 64 parts of polyphenylene sulfide 1170C, 16.5 parts of molybdenum disulfide, 17 parts of graphite, 1 part of aluminium powder, antioxygen respectively by weight
0.4 part of agent 412s, 0.3 part of irgasfos 168,0.5 part of compatilizer EMA-g-MAH, 0.3 part of Lubricate EBS, the aluminium powder is adopted
With a diameter of 20-30 μm of silver dollar shape aluminium powder；Above-mentioned material is well mixed in high-speed mixer, then by mixture through double
Screw extruder melting, extrusion, are finally cooled down, the wear-resisting anti-floating fibre master batch of drying to obtain.Wherein processing temperature is by an area to nine
Area 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 280r/min,
Rate of feeding is 20r/min.
(2) prepare wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide and exempt from spraying composite material
Take wear-resisting 12 parts of the anti-floating fibre master batch of above-mentioned preparation, 61 parts of polyphenylene sulfide 1130C, continuous glass respectively by weight
Fine 25 parts of 988A, 0.3 part of 0.7 part of compatilizer EMA-g-MAH, antioxidant 412S, 5,589 0.4 parts of light stabilizer, coupling agent
0.3 part of KH550,0.3 part of Lubricate EBS, above-mentioned material is well mixed in high-speed mixer, then by mixture through double
Screw extruder melting, extrusion, finally cooling, the polyphenylene sulfide of the wear-resisting low floating fine fiberglass reinforced of drying to obtain are exempted to spray compound
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 280r/min, rate of feeding 20r/min.
The wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide of embodiment 3 exempts from the preparation of spraying composite material
(1) wear-resisting anti-floating fibre master batch is prepared
Take 59 parts of PPS1190C, 20 parts of molybdenum disulfide, 18 parts of graphite, 1 part of aluminium powder, antioxidant respectively by weight
1680.5 parts, 0.4 part of antioxidant 1010,0.6 part of compatilizer EMA-g-MAH, 0.5 part of Lubricate EBS, the aluminium powder use
A diameter of 20-30 μm of silver dollar shape aluminium powder；Above-mentioned material is well mixed in high-speed mixer, then by mixture through double spiral shells
The melting of bar extruder, extrusion, are finally cooled down, the wear-resisting anti-floating fibre master batch of drying to obtain.Wherein processing temperature is by an area to 9th area
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 280r/min, feed
Material speed is 20r/min.
(2) prepare wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide and exempt from spraying composite material
Take wear-resisting 15 parts of the anti-floating fibre master batch of above-mentioned preparation, 53 parts of polyphenylene sulfide 1H30C, continuous glass respectively by weight
Fine 30 parts of 988A, 0.2 part of 0.8 part of compatilizer EMA-g-MAH, antioxidant 412S, 0.2 part of irgasfos 168, titanate esters coupling
0.5 part of agent, 0.3 part of Lubricate EBS, above-mentioned material is well mixed in high-speed mixer, then by mixture through twin-screw
Extruder melting, extrusion, finally cooling, the polyphenylene sulfide of the wear-resisting low floating fine fiberglass reinforced of drying to obtain exempt to spray composite wood
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 280r/min, rate of feeding 20r/min.
The wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide of embodiment 4 exempts from the preparation of spraying composite material
(1) wear-resisting anti-floating fibre master batch is prepared
Take 52 parts of PPS11100C, 20 parts of molybdenum disulfide, 25 parts of graphite, 1 part of aluminium powder, antioxidant respectively by weight
1680.3 parts, 531 0.2 parts of light stabilizer, 0.9 part of compatilizer EPDM-g-MAH, 0.6 part of Lubricate EBS, the aluminium powder is adopted
With a diameter of 80-100 μm of ball aluminum powder；Above-mentioned material is well mixed in high-speed mixer, then by mixture through double
Screw extruder melting, extrusion, are finally cooled down, the wear-resisting anti-floating fibre master batch of drying to obtain.Wherein processing temperature is by an area to nine
Area 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 280r/min,
Rate of feeding is 20r/min.
(2) prepare wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide and exempt from spraying composite material
Take wear-resisting 10 parts of the anti-floating fibre master batch of above-mentioned preparation, 48 parts of polyphenylene sulfide 1230C, continuous glass respectively by weight
Fine 988A40 parts, 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, above-mentioned material is well mixed in high-speed mixer, then mixture is melted through double screw extruder, extruded, most
Cooling, the polyphenylene sulfide of the wear-resisting low floating fine fiberglass reinforced of drying to obtain exempt from spraying composite material afterwards.Wherein processing temperature is by one
Area to 9th area are 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 20r/min.
The wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide of embodiment 5 exempts from the preparation of spraying composite material
(1) wear-resisting anti-floating fibre master batch is prepared
Take 87 parts of PPS1350C, 5 parts of molybdenum disulfide, 5 parts of graphite, 1 part of aluminium powder, antioxidant 412S0.2 respectively by weight
Part, 0.3 part of antioxidant 1010,0.6 part of compatilizer EMA-g-MAH, 0.4 part of Lubricate EBS, the aluminium powder is using a diameter of
20-30 μm of silver dollar shape aluminium powder；Above-mentioned material is well mixed in high-speed mixer, then by mixture through twin-screw extrusion
Machine melting, extrusion, are finally cooled down, the wear-resisting anti-floating fibre master batch of drying to obtain.Wherein processing temperature is respectively by an area to 9th area
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 280r/min, rate of feeding
For 20r/min.
(2) prepare wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide and exempt from spraying composite material
Take wear-resisting 5 parts of the anti-floating fibre master batch of above-mentioned preparation, 63 parts of polyphenylene sulfide 1330C, continuous glass-fiber respectively by weight
0.8 part of 30 parts of 988A, compatilizer EMA-g-MAH, 0.3 part of light stabilizer V703,0.2 part of antioxidant 1010, coupling agent
0.4 part of KH550,0.3 part of Lubricate EBS, above-mentioned material is well mixed in high-speed mixer, then by mixture through double
Screw extruder melting, extrusion, finally cooling, the polyphenylene sulfide of the wear-resisting low floating fine fiberglass reinforced of drying to obtain are exempted to spray compound
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 280r/min, rate of feeding 20r/min.
Performance test and evaluation method
The composite that embodiment and comparative example are prepared is placed in 100 DEG C of baking ovens and dries more than 10h, removes water
Point；Then carry out injection moulding and prepare sample.Testing standard is as follows：Tensile property test is carried out according to ASTM D638 standards；It is curved
Bent performance test is carried out according to ASTM D790 standards；Notch impact strength is carried out according to ASTM D256 standards；Coefficient of friction according to
Carried out according to ASTM D1894 standards；Outward appearance floats fine situation range estimation.
As a result as shown in table 1, the addition that wear-resisting anti-floating fibre master batch in the present invention is can be seen that from the experimental result in table can
Eliminate and the fine influence to product appearance is floated in PPS composites, reduce anti-wear agent usage amount, improve material wear ability；Realize and increase
Strong and wear-resisting functions integrate；Especially suitable for intensity and the outward appearance glass fiber reinforced materials of wear-resisting sexual balance, client can be met not
With outward appearance demand.Special toner is added in wear-resisting anti-floating fibre master batch, the toner uses a diameter of 20-30 μm of silver dollar shape aluminium
Powder, the appearance of product is more glittering, polyphenylene sulfide is exempted from the effect that spraying composite material reaches spraying.Compared with spraying,
Material product production yield is high, no to spray the environmental pollution brought；Simple production process simultaneously, production efficiency are high.
The embodiment 1-5 of table 1, the performance test results of comparative example 1
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, on the premise of the inventive method is not departed from, can also make some improvement and supplement, and these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide exempts from spraying composite material, it is characterised in that raw material is by following proportioning
Composition：
Low melt flow speed polyphenylene sulfide：45-85 parts；
Alkali-free glass fibre：5-45 parts；
Wear-resisting anti-floating fibre master batch：1-15 parts；
Antioxidant：0.1-1.5 parts；
Coupling agent：0.1-1 parts；
Compatilizer：0.3-1.5 parts；
Other auxiliary agents：0-2.5 parts.
2. wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide according to claim 1 exempts from spraying composite material, it is characterised in that
The wear-resisting anti-floating fibre master batch raw material, which forms, is：
High melt flow rate (MFR) polyphenylene sulfide：45-95 parts；
Molybdenum disulfide：1-25 parts；
Graphite：1-25 parts；
Special toner：0.1-5 parts；
Antioxidant：0.1-1 parts；
Compatilizer：0.1-2 parts；
Other auxiliary agents：0-2.5 parts；
Described special toner refers to the one kind of particle diameter in the aluminium powder, slide or pearl essence of 20-30 μ m diameters, and the aluminium powder is
It is silver dollar shape, cornflakes shape, spherical.
3. wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide according to claim 2 exempts from spraying composite material, it is characterised in that
The low melt flow speed polyphenylene sulfide refers to that the melt index under the conditions of 316 DEG C/5Kg is less than 100g/10min polyphenyl
Thioether；Described high melt flow rate (MFR) is poly- to refer to polyphenyl of the melt index more than 450g/10min under the conditions of 316 DEG C/5Kg
Thioether.
4. wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide according to claim 1 exempts from spraying composite material, it is characterised in that
Described alkali-free glass fibre refers to the glass fibre that fibre diameter is 10-17 μm.
5. the wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide according to claim 1-2 exempts from spraying composite material, its feature exists
In the bipolymer (EMA-g-MAH) that, described compatilizer is maleic anhydride grafted ethene and methyl acrylate, or ternary second
One kind in third grafting rubbers maleic anhydride (EPDM-g-MAH), wherein maleic anhydride content are 1.2wt.%, methyl acrylate
Content is 25wt.%.
6. the wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide according to claim 1-2 exempts from spraying composite material, its feature exists
In, described antioxidant be three (2,4- di-tert-butyl-phenyl) phosphite esters, 12 thio propyl ester of Pentaerythritols, four (β-(3,
At least one of 5- di-tert-butyl-hydroxy phenyls) propionic acid) pentaerythritol ester.
7. the wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide according to claim 1-2 exempts from spraying composite material, its feature exists
In other described auxiliary agents are light stabilizer or lubricant.
8. wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide according to claim 2 exempts from spraying composite material, it is characterised in that
The aluminium powder is from surfacing, the silver dollar shape aluminium powder of neat in edge.
9. the wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide according to claim 1-2 exempts from spraying composite material, its feature exists
In described coupling agent is (dioctylphyrophosphoric acid acyloxy) titanate esters of titanate coupling agent isopropyl three or silane coupler
The one of which of γ-aminopropyl triethoxysilane；The particle diameter of the molybdenum disulfide is 0.5~25 μm；The graphite is expansion
Graphite or crystalline flake graphite, particle diameter are 50~200 μm.
10. the wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide described in claim 1-2 exempts from the preparation method of spraying composite material, its
It is characterised by, comprises the following steps：
(1) wear-resisting anti-floating fibre master batch is prepared
Take raw material by weight ratio, by high melt flow rate (MFR) polyphenylene sulfide, molybdenum disulfide, graphite, special toner, antioxidant,
Compatilizer and other auxiliary agents add in high-speed mixer together be well mixed after, melt, extrude through double screw extruder, finally cut
The grain wear-resisting anti-floating fibre master batch of drying to obtain；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 280r/min, rate of feeding 20r/min.
(2) prepare wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide and exempt from spraying composite material
Take raw material by weight ratio, by the wear-resisting anti-floating fibre master batch and the low melt flow speed PPS that prepare in (1), alkali-free glass,
Antioxidant, coupling agent, compatilizer and other auxiliary agents pass through double screw extruder after high-speed mixer dispersion mixing, by this material
Melting, extrusion, cool down, be dry that wear-resisting low floating fine fiberglass reinforced polyphenylene sulfide exempts from spraying composite material；Wherein processing temperature by
One area to 9th 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 20r/min.
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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: 20180302 |