CN109651815A - A kind of PPS composite material and preparation method of high fluidity high metal filling - Google Patents
A kind of PPS composite material and preparation method of high fluidity high metal filling Download PDFInfo
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- CN109651815A CN109651815A CN201811605814.2A CN201811605814A CN109651815A CN 109651815 A CN109651815 A CN 109651815A CN 201811605814 A CN201811605814 A CN 201811605814A CN 109651815 A CN109651815 A CN 109651815A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a kind of PPS composite material materials and preparation method thereof of high fluidity high metal filling, raw material based on following parts by weight is formulated: polyphenylene sulfide (PPS) 5-30 parts by weight, metal powder 5-70 parts by weight, high mesh number talcum powder 0-5 parts by weight, 0-5 parts of silicone dispersion lubricant, 0-5 parts of fluoropolymer lubricant.Principal innovative of the invention is: the present invention is by selecting specific PPS resin and metal powder, it adds special lubricating auxiliary agent and optimizes the proportion of each component, the mobility and processing performance for improving PPS have obtained the PPS composite material of high metal filling, have widened the application range of material.
Description
Technical field
The invention belongs to polymer modification fields, and in particular to a kind of PPS of high fluidity high metal filling is compound
Material and preparation method thereof.
Background technique
PPS resin is crystalline polymer, and structure, which replaces for rigid phenyl ring with the thioether bond of flexibility, to be formed by connecting, molecule
Chain has very big rigidity and regularity, thus PPS has excellent heat-resisting, fire-retardant and chemical resistance.Meanwhile on sulphur atom
Lone pair electrons make PPS resin and glass fibre, inorganic filler etc. have good compatibility, thus can be easily made all kinds of
Enhance PPS composite material and alloy.
Based on PPS excellent heat-resisting, oil resistant and dimensional stability, it is commonly used for manufacturing power-absorption unit component, dynamic
Rotation blade, air valve, air inlet pipe, petrol pump, bonnet, control valve, vehicle light reflector, the alternating current generator of power guidance system
Components etc. on part, igniting part, heat sink part and various positions sensor.
Although PPS material applications are extensive, due to each group molecular structure, the PPS material of high-content metal powder filling
Expect that mobility is poor, is difficult to process.The present invention is based on raw material selection and formula combinations, and it is compound to improve PPS for research from source
The PPS composite material of high fluidity high-content metal powder filling has been prepared in the method for material flowability.It is prepared using this law
High-content metal powder filling PPS composite material can be widely applied to automotive part and stationery etc..
Summary of the invention
The present invention selects special PPS resin, by adding suitable lubricating auxiliary agent, has obtained the filling of high-content metal powder
PPS composite material, and the mobility of material is improved, the processing performance of material is improved, the application range of material has been widened.For
Realize that foregoing invention purpose, the present invention are achieved through the following technical solutions:
Polyphenylene sulfide (PPS) 5-30 parts by weight, metal powder 5-70 parts by weight, high mesh number talcum powder 0-5 parts by weight, silicon
0-5 parts of oxygen alkane dispersed lubricant, 0-5 parts of fluoropolymer lubricant.
The polyphenylene sulfide is linear polyphenylene sulfide resin, and the melt flow rate of resin is 1500-1800g/
10min(316℃/5KG)。
The metal powder is the metal powder that reduction method or Mechanical Method make, and diameter is 45-75 μm.The talcum powder is pressure
Full mold, mesh number are 5000-10000 mesh.
The siloxanes lubrication dispersing agent is high molecular weight silicone oxygen alkane.
The fluoropolymer lubricant is vinylidene fluoride copolymer.
The preparation method of above-mentioned intermingling material, the steps include:
1) proportion according to claim 1 weighs raw material;
2) it is mixed high speed mixer is added by dry raw material, and the material Double-screw feeder mixed is connected
The continuous screw diameter that is homogeneously added into is 35mm, and draw ratio is each section of temperature of main barrel in the double screw extruder main barrel of L/D=36
Degree uses Discrete control, is followed successively by 200 DEG C, 265 DEG C, 295 DEG C, 300 DEG C, 300 DEG C, 310 from feed opening to head outlet temperature
DEG C, 310 DEG C, 300 DEG C, 300 DEG C, 310 DEG C, twin-screw revolving speed is 300 revs/min, squeezes out material strip pelletizing after sink is cooling
Obtain the PPS composite material of high fluidity high metal filling.
Important innovations of the invention are: by selecting special PPS resin, adding suitable lubricating auxiliary agent, obtain
The PPS composite material of high-content metal powder filling, and the mobility of material is improved, material processing performance is improved, is widened
The application range of material.
Specific embodiment
Below by specific embodiment, the present invention is further illustrated, but the embodiment is merely to illustrate the present invention
Rather than the limitation present invention.
The raw materials used in the present invention:
PPS1: linear polyphenylene sulfide resin, melt index are 1500-1800g/10min (316 DEG C/5KG)
PPS2: linear polyphenylene sulfide resin, melt index are 800-1000g/10min (316 DEG C/5KG)
PPS3: crosslinking polyphenylene sulfide, melt index are 800-1000g/10min (316 DEG C/5KG)
Metal powder 1: reduction method or Mechanical Method preparation, diameter are 150-200 μm
Metal powder 2: reduction method or Mechanical Method preparation, diameter are 100-150 μm
Metal powder 3: reduction method or Mechanical Method preparation, diameter are 45-75 μm
High mesh number talcum powder: 5000-10000 mesh;
Lubricant 1: silicone dispersion lubricant;
Lubricant 2: ethylene bis stearic acid amide lubricant;
Lubricant 3: fluoropolymer lubricant;
Properties of product test method:
Evaluating Mechanical Properties: it is evaluated by ISO method;
Mobile performance evaluation: melt index is tested according to ISO 1133
Comparative example 1-3
By dry PPS resin, metal powder, talcum powder, lubricant resin by table 1 proportion mixing after use twin-screw
Feeder is continuously and uniformly added in double screw extruder (screw diameter 35mm, draw ratio L/D=36) main barrel.Main barrel is each
Duan Wendu use Discrete control, from feed opening to head outlet temperature set gradually for 200 DEG C, 265 DEG C, 295 DEG C, 300 DEG C,
300 DEG C, 310 DEG C, 310 DEG C, 300 DEG C, 300 DEG C, 310 DEG C, twin-screw revolving speed are 300 revs/min, and it is cold by sink to squeeze out material strip
But pelletizing obtains PPS modified particle after.Plastics are used after the alloy particle of preparation is dried 4 hours in convection oven in 120 DEG C
Injection (mo(u)lding) machine is molded into standard batten, and injection temperature is 320 DEG C.The batten of injection formed is immediately placed in glass desicator simultaneously
It is tested for the property after being placed at room temperature at least 24 hours.Test result is shown in Table 1.
The composition and performance of 1 high metal content of table filling PPS composite material
It can be seen that from the test result of table 1 and PPS material, power filled using high metal content prepared by different PPS resins
Similar performance is learned, selects the composite fluidity of PPS1 resin preparation that can be slightly above other resins, but processing is still more difficult, needs
Its processing performance is improved.
Embodiment 1-2
Using same comparative example 1-3 processing technology and select mobile performance is slightly good in previous experiments formula system as base
Plinth formula is prepared for high metal content filling PPS composite wood by the proportion of table 2 by adding different types of metal powder respectively
Material, the performance test results are as shown in table 2.
The composition and performance of 2 high metal content of table filling PPS composite material
The test result of above-described embodiment, which can be seen that the different types of metal powder of addition, can influence not material flowability
One.The Compound Material Engineering that can be significantly improved the mobility of PPS composite material by adding the smaller metal powder of diameter, and obtain
Performance is also slightly promoted.It improves mechanism are as follows: the lesser metal powder of diameter is easier to disperse in matrix resin and disperse more equal
Even, smaller to the resistance of melt flows, macro manifestations are higher mobile performance.
Embodiment 3-5
Using the processing technology of same comparative example 1-3, selects the preferable formula system of mobile performance in embodiment and adjust material
Each component content in material is prepared for PPS composite material by the proportion of table 3, and test result is as shown in table 3.
Table 3: the composition and performance of high metal content filling PPS composite material
The PPS composite system filled using high metal content is adjusted the proportion of each component in material and is tested,
Obtained result are as follows: it selects suitable lubricant system and optimizes ratio, available good mechanical performance, good flowing properties
The PPS composite material of high metal content filling.It improves mechanism are as follows: silicone dispersion lubricant can reduce polymer reunion, drop
Low mechanical resistance;Fluoropolymer migrates to melt outer layer under the action of gesture potential difference and adheres in metal surface, in metallic walls
Lubricant layer is formed between polymer melt, plays lubricating action.
The present invention adds special lubricating auxiliary agent and optimizes ratio, obtain by selecting suitable PPS resin and metal powder
The PPS composite material of high-content metal powder filling, improves the mobility and processing performance of material, has widened its application range.
Manufacture automotive part and stationery etc. can be widely applied to using high metal content PPS composite material prepared by this law.
Claims (7)
1. a kind of PPS composite material of high fluidity high metal filling, which is characterized in that in parts by weight, including it is following
Component: polyphenylene sulfide (PPS) 5-30 parts by weight, metal powder 5-70 parts by weight, high mesh number talcum powder 0-5 parts by weight, silicon oxygen
0-5 parts of alkane dispersed lubricant, 0-5 parts of fluoropolymer lubricant.
2. the PPS composite material of high fluidity high metal filling according to claim 1, it is characterised in that: the polyphenyl
Thioether is linear polyphenylene sulfide resin, and the melt flow rate of resin is 1500-1800g/10min (316 DEG C/5KG).
3. the PPS composite material of high fluidity high metal filling according to claim 1, it is characterised in that: the metal
Powder is the metal powder that reduction method or Mechanical Method make, and diameter is 45-75 μm.
4. the PPS composite material of high fluidity high metal according to claim 1 filling, it is characterised in that: talcum powder is
Compacting-type, mesh number are 5000-10000 mesh.
5. the PPS composite material of high fluidity high metal filling according to claim 1, it is characterised in that: the silicon
Oxygen alkane lubrication dispersing agent is high molecular weight silicone oxygen alkane.
6. the PPS composite material of high fluidity high metal filling according to claim 1, it is characterised in that: described contains
Fluoropolymer lubricant is vinylidene fluoride copolymer.
7. according to claim 1-6 it is one of any described in the filling of high fluidity high metal PPS composite material preparation method,
It is characterised in that it includes following preparation step:
1) proportion according to claim 1 weighs raw material;
2) it is mixed high speed mixer is added by dry raw material, and the material mixed is continuously equal with Double-screw feeder
It is 35mm that screw diameter is added evenly, and draw ratio is in the double screw extruder main barrel of L/D=36;Main barrel temperature of each section is adopted
With Discrete control, from feed opening to head outlet temperature be followed successively by 200 DEG C, 265 DEG C, 295 DEG C, 300 DEG C, 300 DEG C, 310 DEG C,
310 DEG C, 300 DEG C, 300 DEG C, 310 DEG C, twin-screw revolving speed are 300 revs/min, squeeze out material strip pelletizing after sink is cooling and obtain
The PPS composite material of high fluidity high metal filling.
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Cited By (1)
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CN110903650A (en) * | 2019-12-06 | 2020-03-24 | 杭州本松新材料技术股份有限公司 | High-crystallinity polyphenylene sulfide composite material easy to machine and mold and preparation method and application thereof |
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CN108219459A (en) * | 2018-01-05 | 2018-06-29 | 上海晨光文具股份有限公司 | Macromolecule-metallic composite and preparation method thereof |
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JP2004155892A (en) * | 2002-11-06 | 2004-06-03 | Toda Kogyo Corp | Conductive resin composition, conductive roll, and method for producing the roll |
CN103772985A (en) * | 2012-10-17 | 2014-05-07 | 合肥杰事杰新材料股份有限公司 | High-density modified matrix resin material, preparation method and applications thereof |
CN104262963A (en) * | 2014-09-17 | 2015-01-07 | 上海大学 | Polyphenylene sulfide/tungsten powder shielding composite material and preparation method thereof |
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CN110903650A (en) * | 2019-12-06 | 2020-03-24 | 杭州本松新材料技术股份有限公司 | High-crystallinity polyphenylene sulfide composite material easy to machine and mold and preparation method and application thereof |
CN110903650B (en) * | 2019-12-06 | 2022-05-10 | 杭州本松新材料技术股份有限公司 | High-crystallinity polyphenylene sulfide composite material easy to machine and mold and preparation method and application thereof |
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