CN108373589A - A kind of low-friction coefficient modification engineering material - Google Patents

A kind of low-friction coefficient modification engineering material Download PDF

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Publication number
CN108373589A
CN108373589A CN201810206065.XA CN201810206065A CN108373589A CN 108373589 A CN108373589 A CN 108373589A CN 201810206065 A CN201810206065 A CN 201810206065A CN 108373589 A CN108373589 A CN 108373589A
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Prior art keywords
friction coefficient
parts
low
silicone oil
modified
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CN201810206065.XA
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Inventor
顾友强
管锡康
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Wuxi Jiahong Plastics Technology Co Ltd
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Wuxi Jiahong Plastics Technology Co Ltd
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Priority to CN201810206065.XA priority Critical patent/CN108373589A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L59/00Compositions of polyacetals; Compositions of derivatives of polyacetals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045Sulfates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/068Ultra high molecular weight polyethylene

Abstract

The invention discloses a kind of low-friction coefficients to be modified engineering material, and quality formula is as follows:100 110 parts of engineering plastics micelle;15 20 parts of silicone oil;36 parts of wetting agent;30 50 parts of organic solvent;24 parts of antioxidant;58 parts of bleeding agent;36 parts of heat stabilizer, and preparation method is as follows:Step 1, then addition bleeding agent is added into organic solvent in engineering plastics micelle to stir evenly, obtains mixing suspension;Step 2, part silicone oil is added and is sealed 1 2h of permeable reactive into mixing suspension, silicone oil is added again after cooling, and the reaction was continued, 58 times repeatedly, obtains prefabricated modified colloidal particle suspension;Step 3, heating stirred under pressure is added into prefabricated modified colloidal particle suspension in wetting agent, antioxidant, heat stabilizer and reacts 2 4h, modified colloidal particle is obtained by filtration;Step 4, low-friction coefficient modified engineered plastic is obtained after modified colloidal particle being dried.The present invention solves engineering plastics blank modified in terms of friction coefficient, reduces the friction coefficient of material surface.

Description

A kind of low-friction coefficient modification engineering material
Technical field
The invention belongs to engineering material technical fields, and in particular to a kind of low-friction coefficient modification engineering material.
Background technology
Engineering plastics are just rapidly developed in the 1950s.Although nylon 66 resin early in nineteen thirty-nine just It succeeds in developing and puts into production, but it was used mainly for the manufacture of synthetic fibers until the fifties just breaks through pure fiber tradition at that time On the way, plastics are manufactured by processing and forming.Engineering plastics are really rapidly developed, and are in later stage fifties polyformaldehyde and poly- carbonic acid After ester is succeeded in developing, their appearance has especially great meaning.Due to the high crystalline of polyformaldehyde, it is excellent to assign its Mechanical performance, to make plastics rank among the ranks of structural material as the material of energy alternative metals for the first time.Later with altogether Succeeding in developing for polyformaldehyde and popularizing for screw-type injection molding machine, further establish weight of the engineering plastics in Material Field Want status.And makrolon is then the transparent engineering plastics for having excellent comprehensive performance, is widely used, and is engineering with fastest developing speed One of plastics, in engineering plastics field, yield and consumption figure are only second to polyamide and occupy second.
1961, DuPont Corporation succeeded in developing polyimides, opened the road for development towards special engineering plastics. The appearance of polyimides has also pushed the exploitation of many heat-resistant engineering plastics such as polysulfones, polyphenylene sulfide and polybenzimidazoles, right The development of plastics industry produces far-reaching influence.
The polyphenylene oxide resin that AM General company was developed in 1964 has put into industrialized production.
1980, Britain's ICI Company succeeded in developing the special engineering plastics polyether-ether-ketone that fusing point is up to 336 DEG C (PEEK).PEEK has remarkable heat resistance, radiation resistance and chemical resistance, and can be injection moulded, thus causes people Common concern.Using PEEK as matrix, by composite material made from glass fibre or fibre reinforced, in aviation and space Boat field obtains application.
The 1980s mid-term to succeed in developing thermotropic liquid crystal polymer be another great in special engineering plastics development history Event.Liquid crystal polymer excellent heat resistance, temperature in use have self-reinforcing, high intensity, high-modulus, resistance toization up to 200 DEG C or more The characteristics such as drug are learned, melt viscosity is low, convenient formation, has boundless application prospect in electronics industry.
It is compared with general-purpose plastics, engineering plastics can reach in mechanical performance, durability, corrosion resistance, heat resistance etc. Higher requirement, and process more convenient and alternative metal material.Engineering plastics be widely used in electric, automobile, The industries such as building, office equipment, machinery, aerospace, to mould Dai Gang, have become international popular trend to mould Dai Mu.Engineering plastic Material has become the field that growth rate is most fast in world today's plastics industry, and development is not only high to national pillar industry and modern times New technological industry plays supporting role, while also pushing the adjustment of Transform of Traditional Industrial Equipment and product structure.
Modified engineered plastic refers on the basis of general-purpose plastics and engineering plastics, by the side such as filling, blending, enhancing Method is processed, and the plastic products of the performance of anti-flammability, intensity, impact resistance, toughness etc. are improved.Common plastics are often It is exactly to change property to plastics to have the characteristic and defect of own, modified plastics, and basic technology includes:1, enhance:It will Glass fibre etc. increases the mechanical strength of plastics with plastic blend.2, it fills:By the fillers such as mineral and plastic blend, make modeling The properties such as shrinking percentage, hardness, the intensity of material are changed.3, toughening:It is blended by the way that toughener is added to common plastics to improve The toughness of plastics, the product after toughening modifying:Rail gasket.4, fire-retardant:To addition fire retardant inside common plastics resin, you can Make plastics that there is flame-retarding characteristic, fire retardant can be the compound system of a kind of or several fire retardants, such as bromine+antimony system, phosphorus system, Nitrogen system, silicon systems and other inorganic fire-retarded systems.5, it resists cold:Increase the intensity and toughness of plastics at low temperature, general plastics exist Intrinsic black brittleness under low temperature so that using being limited in low temperature environment, need to add some low temperature resistant toughener change modelings The plastics such as the brittleness, such as bumper of material at low temperature are general to require to resist cold.However, with the needs in market, modified work The demand of engineering plastics will be substantially increased, and be required the high temperature resistant of modified engineered plastic, wear-resisting, conductive, electro-magnetic screen function more next It is higher.But for the modification in terms of friction coefficient, there is not relevant report also at present.
Invention content
For the problems of the prior art, the present invention provides a kind of low-friction coefficient modified engineered plastic, solves engineering Plastics blank modified in terms of friction coefficient, can not only ensure the characteristic of engineering plastics itself, while also reducing material Friction coefficient.
To realize the above technical purpose, the technical scheme is that:
A kind of low-friction coefficient modified engineered plastic, it is characterised in that:Its quality formula is as follows:
100-110 parts of engineering plastics micelle;
15-20 parts of silicone oil;
3-6 parts of wetting agent;
30-50 parts of organic solvent;
2-4 parts of antioxidant;
5-8 parts of bleeding agent;
3-6 parts of heat stabilizer;
Preparation method is as follows:
Step 1, then addition bleeding agent is added into organic solvent in engineering plastics micelle to stir evenly, it is outstanding obtains mixing Turbid;
Step 2, part silicone oil is added and is sealed permeable reactive 1-2h into mixing suspension, be added again after cooling The reaction was continued for silicone oil, 5-8 times repeatedly, obtains prefabricated modified colloidal particle suspension;
Step 3, heating pressurization is added into prefabricated modified colloidal particle suspension in wetting agent, antioxidant, heat stabilizer to stir Reaction 2-4h is mixed, modified colloidal particle is obtained by filtration;
Step 4, low-friction coefficient modified engineered plastic is obtained after modified colloidal particle being dried.
The engineering plastics micelle is using polyamide, polyformaldehyde, makrolon, Noryl, thermoplastic polyester, superelevation One kind in molecular weight polyethylene, methylpentene polymer, ethenol copolymer.
The wetting agent uses polyoxyethylated alkyl phenol or polyoxyethylene aliphatic alcohol ether.
The organic solvent is using one kind in absolute ethyl alcohol, propylene glycol, acetone.
The antioxidant uses dialkyl diphenylamine or styryl diphenylamines.
The bleeding agent uses sodium secondary alkyl sulfonate.
The heat stabilizer is using dibasic lead stearate, hydrated tribasic lead sulfate, Dythal, two One kind in alkali lead phosphite.
Mixing speed in the step 1 is 1000-2000r/min.
The single addition of silicone oil in the step 2 is the 12.5-20% of silicone oil gross mass, the sealing permeable reactive Temperature be 70-100 DEG C, pressure 0.3-0.5MPa, the mixing speed of the sealing permeable reactive is 500-1000r/min.
The temperature of heating compressive reaction in the step 3 is 50-70 DEG C, pressure 0.2-0.4MPa, and mixing speed is 1000-2000r/min, drying temperature is 40-70 DEG C in the step 4.
Silicone oil:Property that there are many silicone oil, as temperature is viscous, coefficient is small, high-low temperature resistant, anti-oxidant, flash-point is high, volatility is small, Good insulating, surface tension be small, corrosion-free to metal, nontoxic etc..Due to these characteristics, silicone oil has in many aspects with application There is remarkable effect.In present specification, silicone oil can permeate and change in engineering plastics micelle surface rectangle as modifying agent Property, increase the slickness of surfacing, greatly reduces friction coefficient.
Wetting agent:Wetting agent uses polyoxyethylated alkyl phenol or polyoxyethylene aliphatic alcohol ether, utilizes the characteristic of itself The surface tension of engineering plastics sizing material is reduced, osmotic effect of the promotion silicone oil on surface;Polyoxyethylated alkyl phenol and polyoxy Ethylene fatty alcohol ether itself is with good stability, and structure is not easy to be destroyed.
Organic solvent plays the role of film forming and dissolving in proportioning, can coat engineering material surface, while organic Solvent is not only in a liquid state, and under the action of surface tension is greatly lowered in wetting agent, has good permeability, and heating Under the conditions of, organic solvent rapid evaporation forms gaseous state, silicone oil concentration is increased, to promote its modified effect, in cooling procedure In, gaseous state is re-converted into liquid, again dissolves the silicone oil of participation and disperses.
Antioxidant uses dialkyl diphenylamine or styryl diphenylamines, itself has good duration inoxidizability Can, it can ensure the problem of oxidation of the material surfaces such as whole silicone oil, while antioxidant has good resistance to corrosion and resists Coking effect ensures its stability in use.
Bleeding agent uses sodium secondary alkyl sulfonate, belongs to green surfactant, has good infiltration at a certain temperature Power greatly promotes residual silicone oil in the permeation of modified effect of engineering plastic surface, improves its degree of modification.
Heat stabilizer uses lead stabilizer, can ensure internal help under the premise of not influencing engineering material performance itself The stability of agent promotes the stability of silicon oil modified rear engineering plastic surface.
Step 1 is suspended by the mixing that can form micro- thick structure in bleeding agent and engineering plastics micelle addition organic solvent Liquid.
Silicone oil is added to mixing suspension step 2, and silicone oil is infiltrated into engineering plastics micelle by sealing permeable reactive Surface forms good osmotic effect;Using it is a small amount of it is multiple by the way of carry out permeable reactive, the utilization rate of silicone oil can be promoted, The side reaction of silicone oil itself is also reduced simultaneously.
Other auxiliary agents are added in suspension step 3, are cooperateed with using mutual between auxiliary agent and silicone oil, promote silicone oil and utilize Rate forms good modified colloidal particle.
Step 4 dries filtered modified colloidal particle, can remove the organic solvent on surface, it is silicon oil modified to obtain surface Cross engineering plastics.
From the above, it can be seen that the present invention has following advantages:
1. the present invention solves engineering plastics blank modified in terms of friction coefficient, it can not only ensure engineering plastics sheet The characteristic of body, while also reducing material friction coefficient.
2. the present invention uses the mutual synergistic effect of bleeding agent and silicone oil, silicone oil oozing in engineering plastic surface can be promoted Saturating effect promotes modification efficiency.
3. the present invention converts organic solvent to gaseous state by way of heating by liquid, the same of stress reaction environment is built When, the concentration of the materials such as silicone oil and bleeding agent is increased, the progress of reaction is promoted.
Specific implementation mode
The present invention will be described in detail in conjunction with the embodiments, but does not do any restriction to the claim of the present invention.
Embodiment 1
A kind of low-friction coefficient modified engineered plastic, it is characterised in that:Its quality formula is as follows:
100 parts of engineering plastics micelle;
15 parts of silicone oil;
3 parts of wetting agent;
30 parts of organic solvent;
2 parts of antioxidant;
5 parts of bleeding agent;
3 parts of heat stabilizer;
Preparation method is as follows:
Step 1, then addition bleeding agent is added into organic solvent in engineering plastics micelle to stir evenly, it is outstanding obtains mixing Turbid;
Step 2, part silicone oil is added and is sealed permeable reactive 1h into mixing suspension, silicon is added again after cooling The reaction was continued for oil, 5 times repeatedly, obtains prefabricated modified colloidal particle suspension;
Step 3, heating pressurization is added into prefabricated modified colloidal particle suspension in wetting agent, antioxidant, heat stabilizer to stir Reaction 2h is mixed, modified colloidal particle is obtained by filtration;
Step 4, low-friction coefficient modified engineered plastic is obtained after modified colloidal particle being dried.
The engineering plastics micelle uses polyamide.
The wetting agent uses polyoxyethylated alkyl phenol.
The organic solvent uses absolute ethyl alcohol.
The antioxidant uses dialkyl group hexichol.
The bleeding agent uses sodium secondary alkyl sulfonate.
The heat stabilizer uses dibasic lead stearate.
Mixing speed in the step 1 is 1000r/min.
The single addition of silicone oil in the step 2 is the 20% of silicone oil gross mass, the temperature of the sealing permeable reactive Degree is 70 DEG C, and pressure 0.3MPa, the mixing speed of the sealing permeable reactive is 500r/min.
The temperature of heating compressive reaction in the step 3 is 50 DEG C, pressure 0.2MPa, mixing speed 1000r/ Min, drying temperature is 40 DEG C in the step 4.
Embodiment 2
A kind of low-friction coefficient modified engineered plastic, it is characterised in that:Its quality formula is as follows:
110 parts of engineering plastics micelle;
20 parts of silicone oil;
6 parts of wetting agent;
50 parts of organic solvent;
4 parts of antioxidant;
8 parts of bleeding agent;
6 parts of heat stabilizer;
Preparation method is as follows:
Step 1, then addition bleeding agent is added into organic solvent in engineering plastics micelle to stir evenly, it is outstanding obtains mixing Turbid;
Step 2, part silicone oil is added and is sealed permeable reactive 1-2h into mixing suspension, be added again after cooling The reaction was continued for silicone oil, 8 times repeatedly, obtains prefabricated modified colloidal particle suspension;
Step 3, heating pressurization is added into prefabricated modified colloidal particle suspension in wetting agent, antioxidant, heat stabilizer to stir Reaction 4h is mixed, modified colloidal particle is obtained by filtration;
Step 4, low-friction coefficient modified engineered plastic is obtained after modified colloidal particle being dried.
The engineering plastics micelle uses polyformaldehyde.
The wetting agent uses polyoxyethylated alkyl phenol or polyoxyethylene aliphatic alcohol ether.
The organic solvent uses propylene glycol.
The antioxidant uses styryl diphenylamines.
The bleeding agent uses sodium secondary alkyl sulfonate.
The heat stabilizer uses hydrated tribasic lead sulfate.
Mixing speed in the step 1 is 2000r/min.
The single addition of silicone oil in the step 2 is the 12.5% of silicone oil gross mass, the sealing permeable reactive Temperature is 100 DEG C, and pressure 0.5MPa, the mixing speed of the sealing permeable reactive is 1000r/min.
The temperature of heating compressive reaction in the step 3 is 70 DEG C, pressure 0.4MPa, mixing speed 2000r/ Min, drying temperature is 70 DEG C in the step 4.
Embodiment 3
A kind of low-friction coefficient modified engineered plastic, it is characterised in that:Its quality formula is as follows:
105 parts of engineering plastics micelle;
18 parts of silicone oil;
4 parts of wetting agent;
40 parts of organic solvent;
3 parts of antioxidant;
7 parts of bleeding agent;
5 parts of heat stabilizer;
Preparation method is as follows:
Step 1, then addition bleeding agent is added into organic solvent in engineering plastics micelle to stir evenly, it is outstanding obtains mixing Turbid;
Step 2, part silicone oil is added and is sealed permeable reactive 2h into mixing suspension, silicon is added again after cooling The reaction was continued for oil, 5 times repeatedly, obtains prefabricated modified colloidal particle suspension;
Step 3, heating pressurization is added into prefabricated modified colloidal particle suspension in wetting agent, antioxidant, heat stabilizer to stir Reaction 3h is mixed, modified colloidal particle is obtained by filtration;
Step 4, low-friction coefficient modified engineered plastic is obtained after modified colloidal particle being dried.
The engineering plastics micelle uses ultra-high molecular weight polyethylene.
The wetting agent uses polyoxyethylated alkyl phenol.
The organic solvent is using one kind in absolute ethyl alcohol, propylene glycol, acetone.
The antioxidant uses dialkyl diphenylamine or styryl diphenylamines.
The bleeding agent uses sodium secondary alkyl sulfonate.
The heat stabilizer uses Dythal.
Mixing speed in the step 1 is 1500r/min.
The single addition of silicone oil in the step 2 is the 17% of silicone oil gross mass, the temperature of the sealing permeable reactive Degree is 90 DEG C, and pressure 0.4MPa, the mixing speed of the sealing permeable reactive is 800r/min.
The temperature of heating compressive reaction in the step 3 is 60 DEG C, pressure 0.3MPa, mixing speed 1500r/ Min, drying temperature is 55 DEG C in the step 4.
Friction coefficient testing method
With steel for upper sample, with embodiment 1-3, comparative example 1-3 for lower sample, wherein comparative example 1-3 is corresponding embodiment The unmodified preceding engineering plastics of 1-3.
Confficient of static friction μ s Coefficient of kinetic friction μ k
Embodiment 1 0.31 0.28
Comparative example 1 0.37 0.34
Embodiment 2 0.11 0.09
Comparative example 2 0.14 0.13
Embodiment 3 0.13 0.08
Comparative example 3 0.18 0.12
It can be obtained through above-mentioned comparison, compared with raw material, smoothness gets a promotion the engineering plastics after silicon oil modified, Friction coefficient is further declined.
In conclusion the present invention has the following advantages:
1. the present invention solves engineering plastics blank modified in terms of friction coefficient, it can not only ensure engineering plastics sheet The characteristic of body, while also reducing material friction coefficient.
2. the present invention uses the mutual synergistic effect of bleeding agent and silicone oil, silicone oil oozing in engineering plastic surface can be promoted Saturating effect promotes modification efficiency.
3. the present invention converts organic solvent to gaseous state by way of heating by liquid, the same of stress reaction environment is built When, the concentration of the materials such as silicone oil and bleeding agent is increased, the progress of reaction is promoted.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this Technical solution described in inventive embodiments.It will be understood by those of ordinary skill in the art that still can be carried out to the present invention Modification or equivalent replacement, to reach identical technique effect;As long as meet use needs, all protection scope of the present invention it It is interior.

Claims (10)

1. a kind of low-friction coefficient modified engineered plastic, it is characterised in that:Its quality formula is as follows:
100-110 parts of engineering plastics micelle;
15-20 parts of silicone oil;
3-6 parts of wetting agent;
30-50 parts of organic solvent;
2-4 parts of antioxidant;
5-8 parts of bleeding agent;
3-6 parts of heat stabilizer;
Preparation method is as follows:
Step 1, then addition bleeding agent is added into organic solvent in engineering plastics micelle to stir evenly, obtains mixing suspended Liquid;
Step 2, part silicone oil is added and is sealed permeable reactive 1-2h into mixing suspension, silicone oil is added again after cooling The reaction was continued, 5-8 times repeatedly, obtains prefabricated modified colloidal particle suspension;
Step 3, by wetting agent, antioxidant, heat stabilizer be added into prefabricated modified colloidal particle suspension heating stirred under pressure it is anti- 2-4h is answered, modified colloidal particle is obtained by filtration;
Step 4, low-friction coefficient modified engineered plastic is obtained after modified colloidal particle being dried.
2. a kind of low-friction coefficient modified engineered plastic according to claim 1, it is characterised in that:The engineering plastics glue Grain is using polyamide, polyformaldehyde, makrolon, Noryl, thermoplastic polyester, ultra-high molecular weight polyethylene, methylpentene One kind in polymer, ethenol copolymer.
3. a kind of low-friction coefficient modified engineered plastic according to claim 1, it is characterised in that:The wetting agent uses Polyoxyethylated alkyl phenol or polyoxyethylene aliphatic alcohol ether.
4. a kind of low-friction coefficient modified engineered plastic according to claim 1, it is characterised in that:The organic solvent is adopted With one kind in absolute ethyl alcohol, propylene glycol, acetone.
5. a kind of low-friction coefficient modified engineered plastic according to claim 1, it is characterised in that:The antioxidant is adopted With dialkyl diphenylamine or styryl diphenylamines.
6. a kind of low-friction coefficient modified engineered plastic according to claim 1, it is characterised in that:The bleeding agent uses Sodium secondary alkyl sulfonate.
7. a kind of low-friction coefficient modified engineered plastic according to claim 1, it is characterised in that:The heat stabilizer is adopted With one kind in dibasic lead stearate, hydrated tribasic lead sulfate, Dythal, dibasic lead phosphite.
8. a kind of low-friction coefficient modified engineered plastic according to claim 1, it is characterised in that:In the step 1 Mixing speed is 1000-2000r/min.
9. a kind of low-friction coefficient modified engineered plastic according to claim 1, it is characterised in that:In the step 2 The single addition of silicone oil is the 12.5-20% of silicone oil gross mass, and the temperature of the sealing permeable reactive is 70-100 DEG C, pressure Mixing speed for 0.3-0.5MPa, the sealing permeable reactive is 500-1000r/min.
10. a kind of low-friction coefficient modified engineered plastic according to claim 1, it is characterised in that:In the step 3 The temperature for heating compressive reaction is 50-70 DEG C, pressure 0.2-0.4MPa, mixing speed 1000-2000r/min, the step Drying temperature is 40-70 DEG C in rapid 4.
CN201810206065.XA 2018-03-13 2018-03-13 A kind of low-friction coefficient modification engineering material Pending CN108373589A (en)

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CN107383515A (en) * 2017-08-23 2017-11-24 伊婕 A kind of novel high polymer composite and preparation method thereof

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Application publication date: 20180807