CN103304887A - Graphene-modified high-strength conductive polypropylene particles and preparation method thereof - Google Patents
Graphene-modified high-strength conductive polypropylene particles and preparation method thereof Download PDFInfo
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- CN103304887A CN103304887A CN2012100560127A CN201210056012A CN103304887A CN 103304887 A CN103304887 A CN 103304887A CN 2012100560127 A CN2012100560127 A CN 2012100560127A CN 201210056012 A CN201210056012 A CN 201210056012A CN 103304887 A CN103304887 A CN 103304887A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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Abstract
The invention belongs to the technical field of high-molecular materials, and discloses graphene-modified high-strength conductive polypropylene particles and a preparation method thereof. The polypropylene particles are prepared from the following components, by weight, 100 parts of polypropylene particles, 0.1-20 parts of single-layer graphene, 0.01-1 part of an antioxidant, 0.1-10 parts of a plasticizer, 1-10 parts of a photo-stabilizer, 1-10 parts of a lubricant, and 0-40 parts of a filling material. The preparation method comprises the steps that: 100 parts of polypropylene particles, 0.1-20 parts of pretreated single-layer graphene, 0.01-1 part of antioxidant, 0.1-10 parts of plasticizer, 1-10 parts of photo-stabilizer, 1-10 parts of lubricant, and 0-40 parts of filling material are well mixed in a high-speed mixer; the mixture is bake-dried in a vacuum baking oven; the dried material is delivered into a double-screw extruder through a metering pump and is subjected to melt-kneading; and the material is extruded and granulated by using a die head, such that the graphene-modified high-strength conductive polypropylene particles are obtained. The polypropylene particles provided by the invention have the advantages of high strength, high conductivity, and the like.
Description
Technical field
The invention belongs to technical field of polymer materials, relate to high-strength conductive polypropylene particles of a kind of Graphene modification and preparation method thereof.
Background technology
Nontoxic, tasteless, the advantages such as density is little, good resistance to water soak, good antiacid caustic corrosion, good resist dissolution that polypropylene has are widely used in the aspects such as automotive industry, household electrical appliance, tubing, mechanical component making as a kind of engineering plastics commonly used.But polypropylene also has two larger shortcomings, and insufficient strength, conductivity extreme difference in use easily produce static hazard, has therefore limited the application of polypropylene in fields such as electronics, medical treatment.
At present, conductive plastics mainly take plastics as matrix and electroconductive stuffing be composited.Electroconductive stuffing mainly is steel fiber, metal-powder, carbon fiber or carbon black, could produce good conductivity and the addition of these fillers is general higher, and this has not only improved raw materials cost greatly, the more important thing is the fillers dispersed poor effect.When addition is higher, affected the original mechanical property of plastic substrate, the mechanical property of plastics is significantly descended.And Graphene is the thinnest a kind of in the present known materials, also is the highest material of human known strength simultaneously, and is very firmly hard, also harder than diamond, and strength ratio is taller upper 100 times of best iron and steel in the world.On atomic scale, the structure of Graphene is very special, and as simple substance, it is all faster than known conductor that it at room temperature transmits the speed of electronics.So the interpolation that only needs a small amount of Graphene can increase substantially intensity and the conductivity of plastics.
Summary of the invention
Defective for prior art, the high-strength conductive polypropylene particles that the purpose of this invention is to provide a kind of Graphene modification, obtain modified polypropylene material by in polypropylene particles, adding Graphene, have nontoxic, tasteless, the characteristics such as density is little, good resistance to water soak, good antiacid caustic corrosion, good resist dissolution, particularly have the characteristics that intensity is high, specific conductivity is high.
Another object of the present invention provides a kind of preparation method of above-mentioned polypropylene particles.
Technical scheme of the present invention is as follows:
The invention provides a kind of high-strength conductive polypropylene particles of Graphene modification, this polypropylene particles is made by the component that comprises following weight part:
100 parts of polypropylene particles,
Single-layer graphene 0.1-20 part,
Oxidation inhibitor 0.01-1 part,
Softening agent 0.1-10 part,
Photostabilizer 1-10 part,
Lubricant 1-10 part,
Filler 0-40 part.
Described polypropylene particles is homo-polypropylene, and degree of isotacticity is 60%-95%, and molecular weight is 10-30 ten thousand.
Described single-layer graphene thickness is 1-100nm.
Described oxidation inhibitor is selected from three grades of butyl of 2,6--4-methylphenol, pentanoic, 3, one or more in three grades of butyl of 5--4-hydroxy phenyl thioether, Ursol D or the dihydroquinoline.
Described softening agent is selected from one or more in terephthalic acid methyl esters, trioctyl trimellitate, the own ester of tri trimellitate, tributyl citrate, triethyl citrate or the acetyl triethyl citrate.
Described photostabilizer is selected from one or more in dihydroxy benaophenonel, hydroxybenzotriazole or the Whitfield's ointment.Described lubricant is selected from one or more in stearic acid, calcium stearate, Zinic stearas, polyethylene wax, Poly Propylene Wax or the Magnesium Stearate etc.
Described filler is selected from one or more in calcium carbonate, talcum powder, barium sulfate, silicon-dioxide, carbon black or the calcium sulfate.
The present invention also provides a kind of preparation method of high-strength conductive polypropylene particles of above-mentioned Graphene modification, and the method may further comprise the steps:
Through mixing in pretreated single-layer graphene, 0.01-1 part oxidation inhibitor, 0.1-10 part softening agent, 1-10 part photostabilizer, 1-10 part lubricant and the 0-40 part filler adding high-speed mixer, place vacuum drying oven to dry 100 parts of polypropylene particles, 0.1-20 part; The material that drying is good is sent into twin screw extruder through volume pump and is carried out melting mixing, behind the die head extruding pelletization, obtains the high-strength conductive polypropylene particles of Graphene modification.
Described pretreated single-layer graphene treatment process is as follows: single-layer graphene is dissolved in the ethanol, the weight ratio scope of ethanol and Graphene is 10-100: 1, high-speed stirring, stirring velocity is 150-1000rpm, stir and be placed on simultaneously in the ultrasonic pond, ultrasonic frequency is 30-45KHz, behind the ultra-sonic dispersion 20-60min; Finely dispersed single-layer graphene is placed 90-120 ℃ of drying in oven 8-24h, remove the ethanolic soln that is attached on the single-layer graphene, for subsequent use.
The described mixing temperature that mixes is 100-150 ℃, and mixing time is 5-20min.
Described bake out temperature is 100-120 ℃, and drying time is 10-24h.
Described twin screw extruder length-to-diameter ratio is 30: 1-70: 1, and the twin screw temperature setting is set to 140 ℃, and 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, the forcing machine rotating speed is 10-50rpm.
The present invention compared with prior art has the following advantages and beneficial effect:
1, among the present invention since the Graphene add-on few so that polypropylene particles has not only kept the original excellent properties of polypropylene, also by a relatively large margin lifting its mechanical property.
2, the polypropylene particles that adds Graphene among the present invention, greatly improved its conductivity, and its density really is far smaller than widely metallic substance of present use, and therefore polypropylene particles of the present invention can be used widely in fields such as electronics, medical treatment by the substituted metal material.
Embodiment
The invention will be further described below in conjunction with embodiment.
Embodiment 1
The pre-treatment of single-layer graphene: be that the single-layer graphene of 1nm is dissolved in the ethanol with thickness, the weight ratio of ethanol and Graphene is 10, high-speed stirring, stirring velocity is 150rpm, stirring is placed in the ultrasonic pond simultaneously, and ultrasonic frequency is 30KHz, behind the ultra-sonic dispersion 20min; Finely dispersed Graphene is placed 90 ℃ of drying in oven 24h, remove the ethanolic soln that is attached on the Graphene, for subsequent use.
Be that 60% molecular weight is the homo-polypropylene particle of 10-30 ten thousand, 0.1 part of pretreated single-layer graphene, 0.01 part 2 with 100 parts of degree of isotacticity, mix in three grades of butyl of 6--4-methylphenol, 0.1 part of terephthalic acid methyl esters, 1 part of dihydroxy benaophenonel, 1 part of stearic acid adding high-speed mixer, mixing temperature is 100 ℃, mixing time is 5min, then places 100 ℃ of vacuum drying ovens to dry 10h.The material that mixes is sent into twin screw extruder through behind the volume pump, and length-to-diameter ratio is 30: 1, carries out melting mixing, and the twin screw temperature setting is set to 140 ℃, and 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, the forcing machine rotating speed is 10rpm.After crossing the die head extruding pelletization, get final product.The correlated performance of made sample sees Table 1.
Embodiment 2
The pre-treatment of single-layer graphene: be that the single-layer graphene of 25nm is dissolved in the ethanol with thickness, the weight ratio of ethanol and Graphene is 25, high-speed stirring, stirring velocity is 200rpm, stirring is placed in the ultrasonic pond simultaneously, and ultrasonic frequency is 32KHz, behind the ultra-sonic dispersion 30min; Finely dispersed Graphene is placed 100 ℃ of drying in oven 16h, remove the ethanolic soln that is attached on the Graphene, for subsequent use.
Be that 65% molecular weight is that the homo-polypropylene particle of 10-30 ten thousand, 0.5 part of pretreated single-layer graphene of process, 0.1 part of pentanoic, 1 part of trioctyl trimellitate, 2 parts of hydroxybenzotriazoles, 2 parts of calcium stearates and 5 parts of calcium carbonate add in the high-speed mixers and mix with 100 parts of degree of isotacticity, mixing temperature is 110 ℃, mixing time is 8min, then places 110 ℃ of vacuum drying ovens to dry 12h.The material that mixes is sent into twin screw extruder through behind the volume pump, and length-to-diameter ratio is 50: 1, carries out melting mixing, and the twin screw temperature setting is set to 140 ℃, 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, the forcing machine rotating speed is 30rpm, gets final product after crossing the die head extruding pelletization.The correlated performance of made sample sees Table 1.
Embodiment 3
The pre-treatment of single-layer graphene: be that the single-layer graphene of 50nm is dissolved in the ethanol with thickness, the weight ratio of ethanol and Graphene is 50, high-speed stirring, stirring velocity is 300rpm, stirring is placed in the ultrasonic pond simultaneously, and ultrasonic frequency is 35KHz, behind the ultra-sonic dispersion 40min; Finely dispersed Graphene is placed 120 ℃ of drying in oven 8h, remove the ethanolic soln that is attached on the Graphene, for subsequent use.
Be that 70% molecular weight is the homo-polypropylene particle of 10-30 ten thousand, 2 parts of pretreated single-layer graphenes of process, 0.2 part 3 with 100 parts of degree of isotacticity, mix in three grades of butyl of 5--4-hydroxy phenyl thioether, 2 parts of own esters of tri trimellitate, 4 parts of Whitfield's ointments, 3 parts of Zinic stearass and 10 parts of talcum powder adding high-speed mixers, mixing temperature is 120 ℃, mixing time is 10min, then places 110 ℃ of vacuum drying ovens to dry 14h.The material that mixes is sent into twin screw extruder through behind the volume pump, and length-to-diameter ratio is 60: 1, carries out melting mixing, and the twin screw temperature setting is set to 140 ℃, 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, the forcing machine rotating speed is 40rpm, gets final product after crossing the die head extruding pelletization.The correlated performance of made sample sees Table 1.
Embodiment 4
The pre-treatment of single-layer graphene: be that the single-layer graphene of 70nm is dissolved in the ethanol with thickness, the weight ratio of ethanol and Graphene is 70, high-speed stirring, stirring velocity is 400rpm, stirring is placed in the ultrasonic pond simultaneously, and ultrasonic frequency is 37KHz, behind the ultra-sonic dispersion 50min; Finely dispersed Graphene is placed 100 ℃ of drying in oven 12h, remove the ethanolic soln that is attached on the Graphene, for subsequent use.
Be that 75% molecular weight is that the homo-polypropylene particle of 10-30 ten thousand, 5 parts of pretreated single-layer graphenes of process, 0.3 part of Ursol D, 4 parts of tributyl citrates, 5 parts of Whitfield's ointments, 5 parts of polyethylene waxs and 15 parts of barium sulfate add in the high-speed mixers and mix with 100 parts of degree of isotacticity, mixing temperature is 130 ℃, mixing time is 12min, then places 100 ℃ of vacuum drying ovens to dry 16h.The material that mixes is sent into twin screw extruder through behind the volume pump, and length-to-diameter ratio is 70: 1, carries out melting mixing, and the twin screw temperature setting is set to 140 ℃, 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, the forcing machine rotating speed is 50rpm, gets final product after crossing the die head extruding pelletization.The correlated performance of made sample sees Table 1.
Embodiment 5
The pre-treatment of single-layer graphene: be that the single-layer graphene of 80nm is dissolved in the ethanol with thickness, the weight ratio of ethanol and Graphene is 80, high-speed stirring, stirring velocity is 550rpm, stirring is placed in the ultrasonic pond simultaneously, and ultrasonic frequency is 40KHz, behind the ultra-sonic dispersion 60min; Finely dispersed Graphene is placed 100 ℃ of drying in oven 12h, remove the ethanolic soln that is attached on the Graphene, for subsequent use.
Be that 80% molecular weight is that the homo-polypropylene particle of 10-30 ten thousand, 8 parts of pretreated single-layer graphenes of process, 0.5 part of dihydroquinoline, 5 parts of triethyl citrates, 5 parts of hydroxybenzotriazoles, 6 parts of Poly Propylene Waxes and 20 parts of silicon-dioxide add in the high-speed mixers and mix with 100 parts of degree of isotacticity, mixing temperature is 130 ℃, mixing time is 15min, then places 120 ℃ of vacuum drying ovens to dry 18h.The material that mixes is sent into twin screw extruder through behind the volume pump, and length-to-diameter ratio is 60: 1, carries out melting mixing, and the twin screw temperature setting is set to 140 ℃, 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, the forcing machine rotating speed is 50rpm, gets final product after crossing the die head extruding pelletization.The correlated performance of made sample sees Table 1.
Embodiment 6
The pre-treatment of single-layer graphene: be that the single-layer graphene of 90nm is dissolved in the ethanol with thickness, the weight ratio of ethanol and Graphene is 90, high-speed stirring, stirring velocity is 650rpm, stirring is placed in the ultrasonic pond simultaneously, and ultrasonic frequency is 42KHz, behind the ultra-sonic dispersion 60min; Finely dispersed Graphene is placed 100 ℃ of drying in oven 12h, remove the ethanolic soln that is attached on the Graphene, for subsequent use.
Be that 85% molecular weight is the homo-polypropylene particle of 10-30 ten thousand, 10 parts of pretreated single-layer graphenes of process, 0.7 part 2 with 100 parts of degree of isotacticity, mix in three grades of butyl of 6--4-methylphenol, 7 parts of acetyl triethyl citrate, 6 parts of dihydroxy benaophenonels, 8 parts of Magnesium Stearates and 25 parts of carbon blacks adding high-speed mixers, mixing temperature is 140 ℃, mixing time is 16min, then places 120 ℃ of vacuum drying ovens to dry 19h.The material that mixes is sent into twin screw extruder through behind the volume pump, and length-to-diameter ratio is 50: 1, carries out melting mixing, and the twin screw temperature setting is set to 140 ℃, 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, the forcing machine rotating speed is 45rpm, gets final product after crossing the die head extruding pelletization.The correlated performance of made sample sees Table 1.
Embodiment 7
The pre-treatment of single-layer graphene: be that the single-layer graphene of 100nm is dissolved in the ethanol with thickness, the weight ratio of ethanol and Graphene is 100, high-speed stirring, stirring velocity is 800rpm, stirring is placed in the ultrasonic pond simultaneously, and ultrasonic frequency is 43KHz, behind the ultra-sonic dispersion 60min; Finely dispersed Graphene is placed 100 ℃ of drying in oven 12h, remove the ethanolic soln that is attached on the Graphene, for subsequent use.
Be that 90% molecular weight is that the homo-polypropylene particle of 10-30 ten thousand, 15 parts of pretreated single-layer graphenes of process, 0.8 part of dihydroquinoline, 8 parts of acetyl triethyl citrate, 7 parts of Whitfield's ointments, 9 parts of polyethylene waxs and 30 parts of calcium sulfate add in the high-speed mixers and mix with 100 parts of degree of isotacticity, mixing temperature is 150 ℃, mixing time is 18min, then places 120 ℃ of vacuum drying ovens to dry 20h.The material that mixes is sent into twin screw extruder through behind the volume pump, and length-to-diameter ratio is 50: 1, carries out melting mixing, and the twin screw temperature setting is set to 140 ℃, 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, the forcing machine rotating speed is 45rpm, gets final product after crossing the die head extruding pelletization.The correlated performance of made sample sees Table 1.
Embodiment 8
The pre-treatment of single-layer graphene: be that the single-layer graphene of 50nm is dissolved in the ethanol with thickness, the weight ratio of ethanol and Graphene is 50, high-speed stirring, stirring velocity is 1000rpm, stirring is placed in the ultrasonic pond simultaneously, and ultrasonic frequency is 45KHz, behind the ultra-sonic dispersion 40min; Finely dispersed Graphene is placed 120 ℃ of drying in oven 8h, remove the ethanolic soln that is attached on the Graphene, for subsequent use.
Be that 95% molecular weight is the homo-polypropylene particle of 10-30 ten thousand, 20 parts of pretreated single-layer graphenes of process, 1 part 2 with 100 parts of degree of isotacticity, mix in three grades of butyl of 6--4-methylphenol, 10 parts of triethyl citrates, 10 parts of hydroxybenzotriazoles, 10 parts of Zinic stearass, 10 parts of calcium carbonate and 30 parts of talcum powder adding high-speed mixers, mixing temperature is 150 ℃, mixing time is 20min, then places 120 ℃ of vacuum drying ovens to dry 24h.The material that mixes is sent into twin screw extruder through behind the volume pump, and length-to-diameter ratio is 50: 1, carries out melting mixing, and the twin screw temperature setting is set to 140 ℃, 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, the forcing machine rotating speed is 45rpm, gets final product after crossing the die head extruding pelletization.The correlated performance of made sample sees Table 1.
Comparative Examples 1
The consumption of Graphene is 0 part in the present embodiment, other feed intake and processing step with embodiment 8, the correlated performance of made sample sees Table 1.
Table 1
Can see increase along with Graphene content by data in the table 1, the mechanical property of polypropylene particles significantly rises; And its resistivity descends and significantly descends, and only adds that the conductivity of particle has improved more than 107 times behind 0.1 part of Graphene, and when the Graphene addition reached 20 parts, its resistivity only was 1.4*10-3 Ω .m, had reached semi-conductive conductive effect.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not breaking away from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. the high-strength conductive polypropylene particles of a Graphene modification, it is characterized in that: this polypropylene particles is made by the component that comprises following weight part:
100 parts of polypropylene particles,
Single-layer graphene 0.1-20 part,
Oxidation inhibitor 0.01-1 part,
Softening agent 0.1-10 part,
Photostabilizer 1-10 part,
Lubricant 1-10 part,
Filler 0-40 part.
2. the high-strength conductive polypropylene particles of Graphene modification according to claim 1, it is characterized in that: described polypropylene particles is homo-polypropylene, and degree of isotacticity is 60%-95%, and molecular weight is 10-30 ten thousand.
3. the high-strength conductive polypropylene particles of Graphene modification according to claim 1, it is characterized in that: described single-layer graphene thickness is 1-100nm.
4. the high-strength conductive polypropylene particles of Graphene modification according to claim 1, it is characterized in that: described oxidation inhibitor is selected from 2, three grades of butyl of 6--4-methylphenol, pentanoic, 3, one or more in three grades of butyl of 5--4-hydroxy phenyl thioether, Ursol D or the dihydroquinoline.
5. the high-strength conductive polypropylene particles of Graphene modification according to claim 1, it is characterized in that: described softening agent is selected from one or more in terephthalic acid methyl esters, trioctyl trimellitate, the own ester of tri trimellitate, tributyl citrate, triethyl citrate or the acetyl triethyl citrate.
6. the high-strength conductive polypropylene particles of Graphene modification according to claim 1, it is characterized in that: described photostabilizer is selected from one or more in dihydroxy benaophenonel, hydroxybenzotriazole or the Whitfield's ointment.
7. the high-strength conductive polypropylene particles of Graphene modification according to claim 1, it is characterized in that: described lubricant is selected from one or more in stearic acid, calcium stearate, Zinic stearas, polyethylene wax, Poly Propylene Wax or the Magnesium Stearate etc.
8. the high-strength conductive polypropylene particles of Graphene modification according to claim 1, it is characterized in that: described filler is selected from one or more in calcium carbonate, talcum powder, barium sulfate, silicon-dioxide, carbon black or the calcium sulfate.
9. the preparation method of the high-strength conductive polypropylene particles of the arbitrary described Graphene modification of claim 1 to 8, it is characterized in that: the method may further comprise the steps:
Through mixing in pretreated single-layer graphene, 0.01-1 part oxidation inhibitor, 0.1-10 part softening agent, 1-10 part photostabilizer, 1-10 part lubricant and the 0-40 part filler adding high-speed mixer, place vacuum drying oven to dry 100 parts of polypropylene particles, 0.1-20 part; The material that drying is good is sent into twin screw extruder through volume pump and is carried out melting mixing, behind the die head extruding pelletization, obtains the high-strength conductive polypropylene particles of Graphene modification.
10. the preparation method of the high-strength conductive polypropylene particles of Graphene modification according to claim 9, it is characterized in that: described pretreated single-layer graphene treatment process is as follows: single-layer graphene is dissolved in the ethanol, the weight ratio scope of ethanol and Graphene is 10-100: 1, high-speed stirring, stirring velocity is 150-1000rpm, stirring is placed in the ultrasonic pond simultaneously, and ultrasonic frequency is 30-45KHz, behind the ultra-sonic dispersion 20-60min; Finely dispersed single-layer graphene is placed 90-120 ℃ of drying in oven 8-24h, for subsequent use; The described mixing temperature that mixes is 100-150 ℃, and mixing time is 5-20min; Described bake out temperature is 100-120 ℃, and drying time is 10-24h; Described twin screw extruder length-to-diameter ratio is 30: 1-70: 1, and the twin screw temperature setting is set to 140 ℃, and 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, the forcing machine rotating speed is 10-50rpm.
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| CN103642155A (en) * | 2013-11-29 | 2014-03-19 | 中国科学院金属研究所 | Composite conductive film taking graphene as conductive agent and preparation method of composite conductive film |
| CN103804758A (en) * | 2014-01-28 | 2014-05-21 | 盐城纳新天地新材料科技有限公司 | Modified high-density polyethylene master batch and preparation method thereof |
| CN103819815A (en) * | 2014-01-28 | 2014-05-28 | 盐城纳新天地新材料科技有限公司 | Grapheme modified polypropylene master batch and preparation method thereof |
| CN104151664A (en) * | 2014-05-07 | 2014-11-19 | 武汉金牛经济发展有限公司 | Preparation method of polyethylene composite pipes modified by using graphene |
| CN106046558A (en) * | 2016-08-09 | 2016-10-26 | 叶伟然 | Novel graphene reinforced halogen-free flame retardation PP and preparation method thereof |
| CN106117747A (en) * | 2016-07-27 | 2016-11-16 | 中国科学院山西煤炭化学研究所 | A kind of preparation method of Graphene modified poly ethylene composite |
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| CN107383615A (en) * | 2017-08-25 | 2017-11-24 | 江苏理工学院 | A kind of modified polypropylene material and preparation method thereof |
| CN107625229A (en) * | 2017-09-29 | 2018-01-26 | 淄博接地气健康科技有限公司 | Add polyurethane shoe-sole of graphene composite material and preparation method thereof |
| CN107955260A (en) * | 2017-11-14 | 2018-04-24 | 闽南师范大学 | A kind of graphene dispersion method and application |
| CN108250528A (en) * | 2016-12-28 | 2018-07-06 | 上海邦中新材料有限公司 | A kind of composite conducting resin and preparation method thereof |
| CN109401057A (en) * | 2018-11-01 | 2019-03-01 | 常州工程职业技术学院 | A kind of surface scratch-resistant polypropylene and preparation method thereof |
| CN109401058A (en) * | 2018-11-01 | 2019-03-01 | 常州工程职业技术学院 | A kind of high melt strength, propylene and preparation method thereof |
| CN109438851A (en) * | 2018-11-29 | 2019-03-08 | 广东威林工程塑料股份有限公司 | A kind of scratch-resistant, high durable, high thermal conductivity graphene modified polypropylene composite material and preparation method thereof |
| CN110194867A (en) * | 2019-07-02 | 2019-09-03 | 张志松 | A kind of antistatic high-strength polypropylene particle and preparation method thereof |
| CN111484663A (en) * | 2020-06-20 | 2020-08-04 | 上海旗华水上工程建设股份有限公司 | Graphene floating body for aquatic travel floating system |
| CN112223577A (en) * | 2020-09-24 | 2021-01-15 | 山东鲁泰控股集团有限公司石墨烯高分子复合材料研发中心 | Mixing method for anti-static plastic granulation for injection molding |
| CN115011038A (en) * | 2022-06-30 | 2022-09-06 | 江西全兴化工填料有限公司 | Production process of polypropylene chemical filler |
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| CN103642155B (en) * | 2013-11-29 | 2016-08-17 | 中国科学院金属研究所 | A kind of composite conductive thin film with Graphene as conductive agent and preparation method thereof |
| CN103642155A (en) * | 2013-11-29 | 2014-03-19 | 中国科学院金属研究所 | Composite conductive film taking graphene as conductive agent and preparation method of composite conductive film |
| CN103804758A (en) * | 2014-01-28 | 2014-05-21 | 盐城纳新天地新材料科技有限公司 | Modified high-density polyethylene master batch and preparation method thereof |
| CN103819815A (en) * | 2014-01-28 | 2014-05-28 | 盐城纳新天地新材料科技有限公司 | Grapheme modified polypropylene master batch and preparation method thereof |
| CN104151664A (en) * | 2014-05-07 | 2014-11-19 | 武汉金牛经济发展有限公司 | Preparation method of polyethylene composite pipes modified by using graphene |
| CN104151664B (en) * | 2014-05-07 | 2016-08-24 | 武汉金牛经济发展有限公司 | The preparation method of the polyethylene composite pipe that a kind of Graphene is modified |
| CN106117747A (en) * | 2016-07-27 | 2016-11-16 | 中国科学院山西煤炭化学研究所 | A kind of preparation method of Graphene modified poly ethylene composite |
| CN106046558A (en) * | 2016-08-09 | 2016-10-26 | 叶伟然 | Novel graphene reinforced halogen-free flame retardation PP and preparation method thereof |
| CN108250528A (en) * | 2016-12-28 | 2018-07-06 | 上海邦中新材料有限公司 | A kind of composite conducting resin and preparation method thereof |
| CN106904877A (en) * | 2017-03-31 | 2017-06-30 | 南通旭阳机械制造有限公司 | A kind of flange |
| CN106965362A (en) * | 2017-03-31 | 2017-07-21 | 南通旭阳机械制造有限公司 | A kind of preparation method of flange |
| CN107383615A (en) * | 2017-08-25 | 2017-11-24 | 江苏理工学院 | A kind of modified polypropylene material and preparation method thereof |
| CN107625229A (en) * | 2017-09-29 | 2018-01-26 | 淄博接地气健康科技有限公司 | Add polyurethane shoe-sole of graphene composite material and preparation method thereof |
| CN107955260A (en) * | 2017-11-14 | 2018-04-24 | 闽南师范大学 | A kind of graphene dispersion method and application |
| CN109401057A (en) * | 2018-11-01 | 2019-03-01 | 常州工程职业技术学院 | A kind of surface scratch-resistant polypropylene and preparation method thereof |
| CN109401058A (en) * | 2018-11-01 | 2019-03-01 | 常州工程职业技术学院 | A kind of high melt strength, propylene and preparation method thereof |
| CN109401057B (en) * | 2018-11-01 | 2021-12-14 | 常州工程职业技术学院 | Surface scratch-resistant polypropylene and preparation method thereof |
| CN109438851A (en) * | 2018-11-29 | 2019-03-08 | 广东威林工程塑料股份有限公司 | A kind of scratch-resistant, high durable, high thermal conductivity graphene modified polypropylene composite material and preparation method thereof |
| CN110194867A (en) * | 2019-07-02 | 2019-09-03 | 张志松 | A kind of antistatic high-strength polypropylene particle and preparation method thereof |
| CN111484663A (en) * | 2020-06-20 | 2020-08-04 | 上海旗华水上工程建设股份有限公司 | Graphene floating body for aquatic travel floating system |
| CN112223577A (en) * | 2020-09-24 | 2021-01-15 | 山东鲁泰控股集团有限公司石墨烯高分子复合材料研发中心 | Mixing method for anti-static plastic granulation for injection molding |
| CN115011038A (en) * | 2022-06-30 | 2022-09-06 | 江西全兴化工填料有限公司 | Production process of polypropylene chemical filler |
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Denomination of invention: Graphene-modified high-strength conductive polypropylene particles and preparation method thereof Effective date of registration: 20191202 Granted publication date: 20171205 Pledgee: Chuzhou economic and Technological Development Corporation Pledgor: Shanghai Jieshijie New Materials (Group) Co., Ltd. Registration number: Y2019980000815 |