CN109135176A - A kind of preparation method of polyether-ether-ketone-diatomite composite material - Google Patents
A kind of preparation method of polyether-ether-ketone-diatomite composite material Download PDFInfo
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- CN109135176A CN109135176A CN201810994571.XA CN201810994571A CN109135176A CN 109135176 A CN109135176 A CN 109135176A CN 201810994571 A CN201810994571 A CN 201810994571A CN 109135176 A CN109135176 A CN 109135176A
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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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
Abstract
The invention discloses a kind of preparation methods of polyether-ether-ketone-diatomite composite material, belong to technical field of polymer materials.Low-melting alloy powder, whisker, starch, glycerol, water mixing and ball milling, sieving must be mixed homogenate by the present invention；Diatomite and acid are stirred, filtered, is washed, it is dry, obtain single treatment diatomite；Single treatment diatomite and dopamine solution are mixed, filtered, it is dry, obtain secondary treatment diatomite；Secondary treatment diatomite is obtained into modification infusorial earth with homogenate mixing and ball milling, reduced pressure, drying is mixed；First by polyether-ether-ketone powder mixing, it is subsequently added into modification infusorial earth, plasticizer, vulcanizing agent is kneaded, to get polyether-ether-ketone-diatomite composite material after extrusion molding.Polyether-ether-ketone-diatomite composite material provided by the invention has excellent mechanical property.
Description
Technical field
The invention discloses a kind of preparation methods of polyether-ether-ketone-diatomite composite material, belong to high polymer material technology
Field.
Background technique
Diatomite is a kind of biogenic siliceous sedimentary rock, is mainly made of the remains of ancient times diatom, its chemistry
Ingredient is with SiO2Based on, SiO can be used2•nH2O indicates that mineralogical composition is opal and its mutation, and Diatom soil includes sometimes
The deposits such as clay and fine sand, the diatom shell sometimes only deposited again.Diatomite big, strong adsorption, change with porosity
The features such as performance is stable, light, fusing point is high, heat-insulated, refractive index is low, wearability and electrical insulating property are good is learned, therefore is widely used
In the various aspects of the daily lifes such as light industry, chemical industry and building materials.The structure of diatomite has discoid, needle-shaped, spherical, pinniform and cylinder
Shape etc., based on discoid.
Polyether-ether-ketone (PEEK) is a kind of thermoplastic resin of excellent combination property, in the special engineered modeling being commercialized
It is occupied an important position in material.Polyether-ether-ketone has outstanding mechanical property, and high temperature resistance and solvent resistance etc. are navigated in aviation
It, the fields such as automobile and the energy are widely used.The Bonner of E.I.Du Pont Company 1962 using electrophilic reaction for the first time at
Function synthesis of polyether-ether-ketone, then, Goodman etc. successfully prepared polyether-ketone (PEK) in 1964.The Rose of ICI Company exists
The success synthesis of polyether-ether-ketone resin by way of nucleophilic displacement of fluorine in 1972.Many research institutions also started to such special type later
Engineering plastics expansion research, other than the synthesis of polyether-ether-ketone resin, is investigated the various composite materials of polyether-ether-ketone, and take
Obtained certain achievement.
Polyether-ether-ketone is a kind of high-intensitive, hemicrystalline resin resistant to high temperature, and the heat resistance of polyether-ether-ketone is higher than big portion
Divide resin and other common heat-resisting materials.Polyether-ether-ketone is high with flame retardant rating, capability of resistance to radiation is strong, solvent resistance is strong,
Chemical property is stablized, and abrasion resistance properties are prominent (having many advantages, such as self-lubrication), and the processing method of polyether-ether-ketone mainly has melting
Extrusion, melt spinning and melting injection molding etc..
Diatomite can improve the mechanical property of PEEK as filler, and the stretching of PEEK/D composite material and bending property are all
It is significantly improved.PEEK matrix can be made to be filled into diatomite duct by the way of in-situ polymerization, composite property mentions
Liter is more obvious, but there is also PEEK matrixes and the weaker problem of diatomite interfacial interaction, this will affect stress and is polymerizeing
Effective transmitting between object and filler, adversely affects the mechanical property of composite material.Conventional polyether ether ketone-diatom at present
Soil composite material is unable to fully be filled into diatom during extrusion molding due to polyether-ether-ketone melt viscosity with higher
In native duct, so that interface cohesion is poor between polyether-ether-ketone and diatomite, cause system mechanical property bad, therefore also need to it
It is studied.
Summary of the invention
The present invention solves the technical problem of: it is directed to conventional polyether ether ketone-diatomite composite material, due to polyethers ether
Ketone melt viscosity with higher is unable to fully be filled into diatomite duct during extrusion molding, so that polyether-ether-ketone
Interface cohesion is poor between diatomite, the problem for causing system mechanical property bad, provides a kind of polyether-ether-ketone-tripolite compound
The preparation method of condensation material.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
(1) according to parts by weight, by 10~20 parts of low-melting alloy powder, 10~20 parts of whiskers, 5~8 parts of starch, 2~3 parts sweet
Oil, 20~30 parts of water mixing and ball millings, sieving must mix homogenate；
(2) diatomite and acid 1:20~1:30 in mass ratio are stirred, are filtered, washed, it is dry, obtain single treatment diatom
Soil；
(3) single treatment diatomite and dopamine solution 1:20~1:30 in mass ratio are mixed, are filtered, it is dry, obtain two
Secondary processing diatomite；
(4) secondary treatment diatomite must be changed with homogenate 1:5~1:10 mixing and ball milling in mass ratio, reduced pressure, drying is mixed
Property diatomite；
(5) according to parts by weight, 40~60 parts of polyether-ether-ketone powders, 20~30 parts of modification infusorial earths, 5~8 parts of plasticising are successively taken
Agent, 3~5 parts of vulcanizing agents are subsequently added into modification infusorial earth, plasticizer first by polyether-ether-ketone powder mixing, and vulcanizing agent is kneaded, and is squeezed
To get polyether-ether-ketone-diatomite composite material after forming out.
Step (1) the low-melting alloy powder is by bismuth, indium, and tin 1:2:3 mixed preparing in mass ratio forms.
Step (1) whisker is silicon carbide whisker, any one in aluminium nitride whisker or silicon nitride crystal whisker.
Step (1) starch is cornstarch, any one in potato starch or tapioca.
Step (2) acid is hydrochloric acid, any one in sulfuric acid or nitric acid.
Step (5) the plasticizer is phthalic acid ester, any one in aliphatic dicarboxylic acid esters or epoxy-ester.
Step (5) vulcanizing agent is sulphur, any one in sulfur monochloride or benzoyl peroxide.
The beneficial effects of the present invention are:
The present invention is by addition modification infusorial earth, during the preparation process, firstly, diatomite passes through acid soak, so that in diatomite
Hole is widened, and dopamine solution immersion is then passed through, and partial dopamine is attached to diatomite inner wall, effectively improves diatom
The absorption property of soil is conducive to the eutectic in mixing homogenate during secondary treatment diatomite is with homogenate mixing and ball milling is mixed
Point alloyed powder and whisker are by kieselguhr adsorption, during melt extrusion, modified since low-melting alloy has lower fusing point
Low-melting alloy in diatomite is melted out, so that moment low pressure is formed inside modification infusorial earth, and external polyether-ether-ketone
It can be pressed into modification infusorial earth under atmospheric pressure, polyether-ether-ketone is enabled to be substantially filled to modification infusorial earth
Duct in, the interface cohesion between polyether-ether-ketone and modification infusorial earth is enhanced, so that the mechanical property of product is mentioned
It rises, meanwhile, it during low-melting alloy melts out, carries whisker and is dispersed in system, after alloy graining, so that modified
It forming metallurgical bonding between diatomite, forms modification infusorial earth network skeleton structure, junction disperses whisker as enhancing system,
In loading process, whisker can share jointly external force with modification infusorial earth, disperse stress, play reinforcing effect, system is avoided to answer
Power is concentrated and causes structure and elastic change dramatically, effectively limits the large scale deformation of product under external force, makes product capability
Performance is learned further to be promoted.
Specific embodiment
According to parts by weight, by 10~20 parts of low-melting alloy powder, 10~20 parts of whiskers, 5~8 parts of starch, 2~3 parts sweet
Oil, 20~30 parts of water are placed in mixing and ball milling in ball mill, cross the sieve of 100 mesh, must mix homogenate；In mass ratio by diatomite and acid
1:20~1:30 is placed in single-necked flask, under the conditions of revolving speed is 300~500r/min, is stirred 40~60min, must be mixed
Slurries, then mixed slurry is filtered, filter residue is obtained, the filter residue then with deionized water by residue washing 5~8 times, after then washing
It is placed in baking oven, it is dry to constant weight under the conditions of temperature is 105~110 DEG C, obtain single treatment diatomite；By single treatment silicon
Diatomaceous earth and mass concentration are that 2.6mg/mL dopamine solution 1:20~1:30 in mass ratio is placed in three-necked flask, are in revolving speed
Under the conditions of 300~500r/min, 40~60min is mixed, obtains mixed liquor, then mixed liquor is filtered, obtains filter cake, then
Filter cake is placed in baking oven, it is dry to constant weight under the conditions of temperature is 105~110 DEG C, obtain secondary treatment diatomite；It will be secondary
Processing diatomite is placed in mixing and ball milling in ball mill with homogenate 1:5~1:10 in mass ratio is mixed, and ball milling slurry is obtained, then by ball
Defibrination material is placed in Rotary Evaporators, in temperature be 70~75 DEG C, pressure be 500~800Pa under the conditions of, be concentrated under reduced pressure 40~
60min obtains concentrate, then concentrate is placed in baking oven, dry to constant weight under the conditions of temperature is 105~110 DEG C, obtains
Modification infusorial earth；According to parts by weight, 40~60 parts of polyether-ether-ketone powders are successively taken, 20~30 parts of modification infusorial earths, 5~8 parts
Polyether-ether-ketone powder, is first placed in mixer by plasticizer, 3~5 parts of vulcanizing agents, close under the conditions of temperature is 130~160 DEG C
10~20min is refined, modification infusorial earth, plasticizer are subsequently added into, vulcanizing agent is kneaded 10 under the conditions of temperature is 130~160 DEG C
~20min obtains mixed slurry, then by mixed slurry after double screw extruder melting extrusion to get polyether-ether-ketone-diatom
Soil composite material.The low-melting alloy powder is by bismuth, indium, and tin 1:2:3 mixed preparing in mass ratio forms.The whisker is carbon
Any one in SiClx whisker, aluminium nitride whisker or silicon nitride crystal whisker.The starch is cornstarch, potato starch or wood
Any one in sweet potato starch.The acid is hydrochloric acid, any one in sulfuric acid or nitric acid.The plasticizer is phthalic acid
Ester, any one in aliphatic dicarboxylic acid esters or epoxy-ester.The vulcanizing agent is sulphur, in sulfur monochloride or benzoyl peroxide
Any one.
Example 1
According to parts by weight, by 20 parts of low-melting alloy powder, 20 parts of whiskers, 8 parts of starch, 3 parts of glycerol, 30 parts of water are placed in ball mill
Middle mixing and ball milling crosses the sieve of 100 mesh, must mix homogenate；Diatomite and acid 1:30 in mass ratio are placed in single-necked flask, in turn
Under the conditions of speed is 500r/min, it is stirred 60min, mixed serum is obtained, then mixed slurry is filtered, obtains filter residue, then spend
Ionized water is by residue washing 8 times, and then the filter residue after washing is placed in baking oven, dry to perseverance under the conditions of temperature is 110 DEG C
Weight, obtains single treatment diatomite；It is 2.6mg/mL dopamine solution in mass ratio 1 by single treatment diatomite and mass concentration:
30 are placed in three-necked flask, under the conditions of revolving speed is 500r/min, 60min are mixed, obtains mixed liquor, then by mixed liquor
Filtering, obtains filter cake, then filter cake is placed in baking oven, dry to constant weight under the conditions of temperature is 110 DEG C, obtains secondary treatment silicon
Diatomaceous earth；Secondary treatment diatomite is placed in mixing and ball milling in ball mill with homogenate 1:10 in mass ratio is mixed, ball milling slurry is obtained, connects
Ball milling slurry is placed in Rotary Evaporators, in temperature be 75 DEG C, pressure be 800Pa under the conditions of, be concentrated under reduced pressure 60min, obtain
Concentrate is then placed in baking oven by concentrate, dry to constant weight under the conditions of temperature is 110 DEG C, obtains modification infusorial earth；It presses
Parts by weight meter successively takes 60 parts of polyether-ether-ketone powders, 30 parts of modification infusorial earths, 8 parts of plasticizer, 5 parts of vulcanizing agents, first by polyethers
Ether ketone powder is placed in mixer, and under the conditions of temperature is 160 DEG C, mixing 20min is subsequently added into modification infusorial earth, plasticizer,
Vulcanizing agent is kneaded 20min, obtains mixed slurry under the conditions of temperature is 160 DEG C, and mixed slurry is then passed through twin-screw extrusion
To get polyether-ether-ketone-diatomite composite material after machine melting extrusion.The low-melting alloy powder is by bismuth, indium, and tin is in mass ratio
1:2:3 mixed preparing forms.The whisker is silicon carbide whisker.The starch is cornstarch.The acid is hydrochloric acid.The increasing
Modeling agent is phthalic acid ester.The vulcanizing agent is sulphur.
Example 2
According to parts by weight, by 20 parts of whiskers, 8 parts of starch, 3 parts of glycerol, 30 parts of water are placed in mixing and ball milling in ball mill, cross 100
Purpose sieve, must mix homogenate；Diatomite and acid 1:30 in mass ratio are placed in single-necked flask, in revolving speed be 500r/min condition
Under, it is stirred 60min, mixed serum is obtained, then mixed slurry is filtered, obtains filter residue, then with deionized water by residue washing 8
Secondary, then the filter residue after washing is placed in baking oven, dry to constant weight under the conditions of temperature is 110 DEG C, obtains single treatment diatom
Soil；It is that 2.6mg/mL dopamine solution 1:30 in mass ratio is placed in three-necked flask by single treatment diatomite and mass concentration,
Under the conditions of revolving speed is 500r/min, 60min is mixed, obtains mixed liquor, then mixed liquor is filtered, obtains filter cake, then
Filter cake is placed in baking oven, it is dry to constant weight under the conditions of temperature is 110 DEG C, obtain secondary treatment diatomite；By secondary treatment silicon
Diatomaceous earth is placed in mixing and ball milling in ball mill with homogenate 1:10 in mass ratio is mixed, and obtains ball milling slurry, is then placed in ball milling slurry
In Rotary Evaporators, it is 75 DEG C in temperature, under the conditions of pressure is 800Pa, 60min is concentrated under reduced pressure, obtains concentrate, it then will concentration
Liquid is placed in baking oven, dry to constant weight under the conditions of temperature is 110 DEG C, obtains modification infusorial earth；According to parts by weight, it successively takes
Polyether-ether-ketone powder is first placed in mixing by 60 parts of polyether-ether-ketone powders, 30 parts of modification infusorial earths, 8 parts of plasticizer, 5 parts of vulcanizing agents
In machine, under the conditions of temperature is 160 DEG C, mixing 20min is subsequently added into modification infusorial earth, plasticizer, and vulcanizing agent is in temperature
Under the conditions of 160 DEG C, it is kneaded 20min, obtains mixed slurry, then by mixed slurry after double screw extruder melting extrusion, i.e.,
Obtain polyether-ether-ketone-diatomite composite material.The whisker is silicon carbide whisker.The starch is cornstarch.The acid is salt
Acid.The plasticizer is phthalic acid ester.The vulcanizing agent is sulphur.
Example 3
According to parts by weight, by 20 parts of low-melting alloy powder, 8 parts of starch, 3 parts of glycerol, 30 parts of water are placed in ball mill and mix ball
Mill crosses the sieve of 100 mesh, must mix homogenate；Diatomite and acid 1:30 in mass ratio are placed in single-necked flask, are in revolving speed
Under the conditions of 500r/min, it is stirred 60min, mixed serum is obtained, then mixed slurry is filtered, obtains filter residue, then use deionization
Water is by residue washing 8 times, and then the filter residue after washing is placed in baking oven, dry to constant weight under the conditions of temperature is 110 DEG C, obtains
Single treatment diatomite；Single treatment diatomite is placed in mass concentration for 2.6mg/mL dopamine solution 1:30 in mass ratio
In three-necked flask, under the conditions of revolving speed is 500r/min, 60min is mixed, obtains mixed liquor, then mixed liquor is filtered,
Filter cake is obtained, then filter cake is placed in baking oven, it is dry to constant weight under the conditions of temperature is 110 DEG C, obtain secondary treatment diatomite；
Secondary treatment diatomite is placed in mixing and ball milling in ball mill with homogenate 1:10 in mass ratio is mixed, ball milling slurry is obtained, then will
Ball milling slurry is placed in Rotary Evaporators, is 75 DEG C in temperature, under the conditions of pressure is 800Pa, 60min is concentrated under reduced pressure, must be concentrated
Concentrate is then placed in baking oven by liquid, dry to constant weight under the conditions of temperature is 110 DEG C, obtains modification infusorial earth；By weight
Number meter successively takes 60 parts of polyether-ether-ketone powders, 30 parts of modification infusorial earths, 8 parts of plasticizer, 5 parts of vulcanizing agents, first by polyether-ether-ketone
Powder is placed in mixer, and under the conditions of temperature is 160 DEG C, mixing 20min is subsequently added into modification infusorial earth, plasticizer, vulcanization
Agent is kneaded 20min, obtains mixed slurry, then melt mixed slurry by double screw extruder under the conditions of temperature is 160 DEG C
Melt after squeezing out to get polyether-ether-ketone-diatomite composite material.The low-melting alloy powder is by bismuth, indium, tin 1:2 in mass ratio:
3 mixed preparings form.The starch is cornstarch.The acid is hydrochloric acid.The plasticizer is phthalic acid ester.The sulphur
Agent is sulphur.
Example 4
According to parts by weight, by 20 parts of low-melting alloy powder, 20 parts of whiskers, 3 parts of glycerol, 30 parts of water are placed in ball mill and mix ball
Mill crosses the sieve of 100 mesh, must mix homogenate；Diatomite and acid 1:30 in mass ratio are placed in single-necked flask, are in revolving speed
Under the conditions of 500r/min, it is stirred 60min, mixed serum is obtained, then mixed slurry is filtered, obtains filter residue, then use deionization
Water is by residue washing 8 times, and then the filter residue after washing is placed in baking oven, dry to constant weight under the conditions of temperature is 110 DEG C, obtains
Single treatment diatomite；Single treatment diatomite is placed in mass concentration for 2.6mg/mL dopamine solution 1:30 in mass ratio
In three-necked flask, under the conditions of revolving speed is 500r/min, 60min is mixed, obtains mixed liquor, then mixed liquor is filtered,
Filter cake is obtained, then filter cake is placed in baking oven, it is dry to constant weight under the conditions of temperature is 110 DEG C, obtain secondary treatment diatomite；
Secondary treatment diatomite is placed in mixing and ball milling in ball mill with homogenate 1:10 in mass ratio is mixed, ball milling slurry is obtained, then will
Ball milling slurry is placed in Rotary Evaporators, is 75 DEG C in temperature, under the conditions of pressure is 800Pa, 60min is concentrated under reduced pressure, must be concentrated
Concentrate is then placed in baking oven by liquid, dry to constant weight under the conditions of temperature is 110 DEG C, obtains modification infusorial earth；By weight
Number meter successively takes 60 parts of polyether-ether-ketone powders, 30 parts of modification infusorial earths, 8 parts of plasticizer, 5 parts of vulcanizing agents, first by polyether-ether-ketone
Powder is placed in mixer, and under the conditions of temperature is 160 DEG C, mixing 20min is subsequently added into modification infusorial earth, plasticizer, vulcanization
Agent is kneaded 20min, obtains mixed slurry, then melt mixed slurry by double screw extruder under the conditions of temperature is 160 DEG C
Melt after squeezing out to get polyether-ether-ketone-diatomite composite material.The low-melting alloy powder is by bismuth, indium, tin 1:2 in mass ratio:
3 mixed preparings form.The whisker is silicon carbide whisker.The acid is hydrochloric acid.The plasticizer is phthalic acid ester.It is described
Vulcanizing agent is sulphur.
Example 5
According to parts by weight, by 20 parts of low-melting alloy powder, 20 parts of whiskers, 8 parts of starch, 30 parts of water are placed in ball mill and mix ball
Mill crosses the sieve of 100 mesh, must mix homogenate；Diatomite and acid 1:30 in mass ratio are placed in single-necked flask, are in revolving speed
Under the conditions of 500r/min, it is stirred 60min, mixed serum is obtained, then mixed slurry is filtered, obtains filter residue, then use deionization
Water is by residue washing 8 times, and then the filter residue after washing is placed in baking oven, dry to constant weight under the conditions of temperature is 110 DEG C, obtains
Single treatment diatomite；Single treatment diatomite is placed in mass concentration for 2.6mg/mL dopamine solution 1:30 in mass ratio
In three-necked flask, under the conditions of revolving speed is 500r/min, 60min is mixed, obtains mixed liquor, then mixed liquor is filtered,
Filter cake is obtained, then filter cake is placed in baking oven, it is dry to constant weight under the conditions of temperature is 110 DEG C, obtain secondary treatment diatomite；
Secondary treatment diatomite is placed in mixing and ball milling in ball mill with homogenate 1:10 in mass ratio is mixed, ball milling slurry is obtained, then will
Ball milling slurry is placed in Rotary Evaporators, is 75 DEG C in temperature, under the conditions of pressure is 800Pa, 60min is concentrated under reduced pressure, must be concentrated
Concentrate is then placed in baking oven by liquid, dry to constant weight under the conditions of temperature is 110 DEG C, obtains modification infusorial earth；By weight
Number meter successively takes 60 parts of polyether-ether-ketone powders, 30 parts of modification infusorial earths, 8 parts of plasticizer, 5 parts of vulcanizing agents, first by polyether-ether-ketone
Powder is placed in mixer, and under the conditions of temperature is 160 DEG C, mixing 20min is subsequently added into modification infusorial earth, plasticizer, vulcanization
Agent is kneaded 20min, obtains mixed slurry, then melt mixed slurry by double screw extruder under the conditions of temperature is 160 DEG C
Melt after squeezing out to get polyether-ether-ketone-diatomite composite material.The low-melting alloy powder is by bismuth, indium, tin 1:2 in mass ratio:
3 mixed preparings form.The whisker is silicon carbide whisker.The starch is cornstarch.The acid is hydrochloric acid.The plasticizer
For phthalic acid ester.The vulcanizing agent is sulphur.
Example 6
According to parts by weight, by 20 parts of low-melting alloy powder, 20 parts of whiskers, 8 parts of starch, 3 parts of glycerol, 30 parts of water are placed in ball mill
Middle mixing and ball milling crosses the sieve of 100 mesh, must mix homogenate；Diatomite and acid 1:30 in mass ratio are placed in single-necked flask, in turn
Under the conditions of speed is 500r/min, it is stirred 60min, mixed serum is obtained, then mixed slurry is filtered, obtains filter residue, then spend
Ionized water is by residue washing 8 times, and then the filter residue after washing is placed in baking oven, dry to perseverance under the conditions of temperature is 110 DEG C
Weight, obtains single treatment diatomite；Single treatment diatomite is placed in ball mill with homogenate 1:10 in mass ratio is mixed and mixes ball
Mill, obtain ball milling slurry, then ball milling slurry be placed in Rotary Evaporators, in temperature be 75 DEG C, pressure be 800Pa under the conditions of,
60min is concentrated under reduced pressure, obtains concentrate, then concentrate is placed in baking oven, under the conditions of temperature is 110 DEG C, drying to constant weight,
Obtain modification infusorial earth；According to parts by weight, 60 parts of polyether-ether-ketone powders are successively taken, 30 parts of modification infusorial earths, 8 parts of plasticizer, 5 parts
Polyether-ether-ketone powder is first placed in mixer by vulcanizing agent, and under the conditions of temperature is 160 DEG C, mixing 20min is subsequently added into and changes
Property diatomite, plasticizer, vulcanizing agent, in temperature be 160 DEG C under the conditions of, be kneaded 20min, mixed slurry is obtained, then by mixing slurry
Material is after double screw extruder melting extrusion to get polyether-ether-ketone-diatomite composite material.The low-melting alloy powder be by
Bismuth, indium, tin 1:2:3 mixed preparing in mass ratio form.The whisker is silicon carbide whisker.The starch is cornstarch.Institute
Stating acid is hydrochloric acid.The plasticizer is phthalic acid ester.The vulcanizing agent is sulphur.
Comparative example: the diatomite composite material of Zhejiang diatomite product Co., Ltd production.
1 to 6 gained diatomite composite material of example and comparative example product are subjected to performance detection, specific detection method is such as
Under:
Its stretching and bending property are tested with Japanese ShimadzuAG-1 type electronic universal tester.Specific testing result such as table 1
It is shown:
Table 1: performance detection table
| Detection content | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Comparative example |
| Tensile strength/MPa | 119.48 | 110.11 | 109.34 | 108.71 | 112.47 | 111.45 | 102.33 |
| Bending strength/MPa | 196.94 | 172.80 | 178.89 | 180.96 | 179.41 | 169.37 | 165.11 |
By 1 testing result of table it is found that present invention gained polyether-ether-ketone-diatomite composite material has excellent mechanical property.
Claims (7)
1. a kind of preparation method of polyether-ether-ketone-diatomite composite material, it is characterised in that specific preparation process is as follows:
(1) according to parts by weight, by 10~20 parts of low-melting alloy powder, 10~20 parts of whiskers, 5~8 parts of starch, 2~3 parts sweet
Oil, 20~30 parts of water mixing and ball millings, sieving must mix homogenate；
(2) diatomite and acid 1:20~1:30 in mass ratio are stirred, are filtered, washed, it is dry, obtain single treatment diatom
Soil；
(3) single treatment diatomite and dopamine solution 1:20~1:30 in mass ratio are mixed, are filtered, it is dry, obtain two
Secondary processing diatomite；
(4) secondary treatment diatomite must be changed with homogenate 1:5~1:10 mixing and ball milling in mass ratio, reduced pressure, drying is mixed
Property diatomite；
(5) according to parts by weight, 40~60 parts of polyether-ether-ketone powders, 20~30 parts of modification infusorial earths, 5~8 parts of plasticising are successively taken
Agent, 3~5 parts of vulcanizing agents are subsequently added into modification infusorial earth, plasticizer first by polyether-ether-ketone powder mixing, and vulcanizing agent is kneaded, and is squeezed
To get polyether-ether-ketone-diatomite composite material after forming out.
2. a kind of preparation method of polyether-ether-ketone-diatomite composite material according to claim 1, it is characterised in that: step
(1) the low-melting alloy powder is by bismuth, indium, and tin 1:2:3 mixed preparing in mass ratio forms.
3. a kind of preparation method of polyether-ether-ketone-diatomite composite material according to claim 1, it is characterised in that: step
(1) whisker is silicon carbide whisker, any one in aluminium nitride whisker or silicon nitride crystal whisker.
4. a kind of preparation method of polyether-ether-ketone-diatomite composite material according to claim 1, it is characterised in that: step
(1) starch is cornstarch, any one in potato starch or tapioca.
5. a kind of preparation method of polyether-ether-ketone-diatomite composite material according to claim 1, it is characterised in that: step
(2) acid is hydrochloric acid, any one in sulfuric acid or nitric acid.
6. a kind of preparation method of polyether-ether-ketone-diatomite composite material according to claim 1, it is characterised in that: step
(5) the plasticizer is phthalic acid ester, any one in aliphatic dicarboxylic acid esters or epoxy-ester.
7. a kind of preparation method of polyether-ether-ketone-diatomite composite material according to claim 1, it is characterised in that: step
(5) vulcanizing agent is sulphur, any one in sulfur monochloride or benzoyl peroxide.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109988367A (en) * | 2019-03-11 | 2019-07-09 | 常州明华运输有限公司 | A kind of preparation method of vehicle windshield wiper abrasive rubber material |
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