CN108192207A - A kind of high-performance conductive PP composite material and preparation method - Google Patents
A kind of high-performance conductive PP composite material and preparation method Download PDFInfo
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- CN108192207A CN108192207A CN201711460382.6A CN201711460382A CN108192207A CN 108192207 A CN108192207 A CN 108192207A CN 201711460382 A CN201711460382 A CN 201711460382A CN 108192207 A CN108192207 A CN 108192207A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- 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
-
- 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
Abstract
The present invention relates to plastic applications, specially a kind of high-performance conductive PP composite material, including following raw material in parts by weight：40~70 parts of polypropylene, 5~20 parts of conductive agent, 5~20 parts of compatilizer, 0.5~5 part of antioxidant, 1~10 part of processing aid, and the method for preparing high-performance conductive PP composite material, utilize conduction PP composite materials made from the proportioning and preparation method of the present invention, larger improves mechanical property, and tensile strength reaches more than 30MPa；Processing fluidity is good, and surface is smooth；Electric conductivity is less than 103Ohm/sq, energy high temperature resistance to 120 DEG C long-term, and energetics performance does not decline；Meet International Environmental Protection requirement.
Description
Technical field
The present invention relates to plastic applications, specially a kind of high-performance conductive PP composite material and preparation method.
Background technology
With the rapid development of the industries such as electronics industry and information technology, for the high molecular material with conducting function
Demand is more and more urgent.
Research about conducing composite material is too numerous to enumerate, but still there are many problems not to be settled properly.
Such as while conducting medium raising electric conductivity is added, mechanical properties decrease, therefore the development of conducing composite material is mainly concentrated
At two aspects of comprehensive performance for reducing resistivity with improving material.
The volume resistivity of usual high molecular material is all very high, and about 1010-1020It is exhausted as electric appliance between Ω cm
Edge materials'use is undoubtedly very excellent.But with the progress of science and technology, particularly electronics industry, information technology
It rapidly develops, it is more and more urgent for the high molecular material demand with conducting function.Countries in the world either academia is still
Industrial circle all carries out research and development positive to this emerging functional material.
Conducting polymer composite can be divided into structural conductive macromolecular material again according to the difference of structure and preparation method
With two major class of conductive polymeric composite.Structural conductive high molecular material (or intrinsic macromolecule conducting material) refers to point
Minor structure is conductive in itself or grips polymer altogether with conducting function later by mixing processing.Conductive polymeric composite
Refer to using polymer as matrix, by adding special conductive agent, and it is compound obtained both with certain using physico-chemical process
Conducting function meet material with the multiphases of excellent mechanical performances again.Structural conductive macromolecular material is due to structure at present
Particularity and the difficulty for preparing and purifying, are also in the laboratory research stage mostly, obtain the less of practical application, and most
For semi-conducting material.Conductive polymeric composite, because machine-shaping and general high molecular material are essentially identical, preparation side
Just, there is stronger practicability, Gu can be promoted and applied greatly.
Invention content
The problem of for background technology, the present invention provides a kind of high-performance conductive PP composite material and
Preparation method, it is intended to while the electric conductivity of polypropylene (PP) composite material can be improved, moreover it is possible to ensure that polypropylene (PP) is compound
The mechanical property of materials'use.
To achieve the above object, the present invention provides following technical solution：A kind of high-performance conductive PP composite material, packet
Include the ingredient of following score by weight：40~70 parts of polypropylene, 5~20 parts of conductive agent, 5~20 parts of compatilizer, 0.5~
5 parts of antioxidant, 1~10 part of processing aid.
In further embodiment, the polypropylene can be isotactic polypropylene, random polypropylene, syndiotactic polypropylene,
At least one of ethylene-propylene copolymer, graft modification polypropylene, cross-linking modified polypropylene, polypropylene mixture alloy.
In further embodiment, the conductive agent is at least one of metal powder, sheet metal, carbon fiber.
In further embodiment, the compatilizer is shunk by POE grafted maleic anhydrides, POE grafting grafted propylene acid
Glyceride, ABS- grafted maleic anhydrides, styrene-acrylonitrile-maleic anhydride, the copolymerization of ethylene-butadiene-styrene tri-block
One or more of object grafted maleic anhydride is formulated.
In further embodiment, the antioxidant includes four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid]
Pentaerythritol ester (antioxidant 1010), N, N ' -1,6- inferior hexyls-bis- [3- (3,5- di-t-butyl -4- hydroxy phenyls) propionyl
Amine], the β-positive octadecanol ester of (3,5- di-tert-butyl-hydroxy phenyls) propionic acid, 1,3,5- tri- (4- tertiary butyl -3- hydroxyl -2,
6- dimethyl benzyls) -1,3,5- triazines -2,4,6- (1H, 3H, 5H) triketone (antioxidant 1790), bis- [3- (the tertiary fourths of 3- of triethylene glycol
Base -4- hydroxy-5-methyl bases phenyl) propionic ester], 2,2 '-di-2-ethylhexylphosphine oxide (4- methyl-6-tert-butylphenols), phosphorous acid three (2,
4- di-tert-butyl-phenyls) ester, bis- (2,4- di-tert-butyl-phenyl) pentaerythritol diphosphites, three [2,4- di-tert-butyls
Base] phosphite ester (irgasfos 168), distearyl pentaerythritol diphosphite, four (2,4- di-tert-butyl-phenyls -4,4 ' -
Xenyl) the one or more of bisphosphonate are formulated.
In further embodiment, the processing aid is polyethylene wax, N, N '-ethylene double Stearyl Amine, organosilicons
Oil, oleamide, ethylene double oleamide, N, N '-ethylene double Stearyl Amine-grafted maleic anhydride, silicone powder, fluorine-containing lubrications
It is one or more in agent to compound.
A kind of preparation method of high-performance conductive PP composite material of the present invention includes the following steps：
(1) conductive agent master batch is prepared：Weighed respectively according to weight ratio polypropylene, antioxidant, conductive agent, processing aid,
Compatilizer is stirred 5 minutes by high-speed mixer, forms mixture, and mixed material is put into the hopper of double screw extruder
In, through melting, squeezing out, being granulated to obtain conductive agent master batch.
(2) polypropylene and 70-90 part conductive agent master batches with being prepared by step (1) for weighing 10~30 parts again, pass through
High-speed mixer stirs 5 minutes, forms mixture.
(3) mixed material is put into the hopper of double screw extruder, through melting, squeezing out, being granulated and obtain conductive PP materials
Material.
Each area's temperature of double screw extruder and screw speed wherein used in step (1) and step (3) are respectively：One area's temperature
70-120 DEG C of degree, two 120-150 DEG C of area's temperature, three 130-190 DEG C of area's temperature, four 150-190 DEG C of area's temperature, five area temperature 150-
190 DEG C, six 150-190 DEG C of area's temperature, seven 160-190 DEG C of area's temperature, eight 160-190 DEG C of area's temperature, nine area temperature 160-190
DEG C, 180-200 DEG C of head temperature；Screw speed 200-230r/min.
Compared with prior art, the beneficial effects of the invention are as follows：It is led using made from the proportioning and preparation method of the present invention
Electric PP composite materials, larger improves mechanical property, and tensile strength reaches more than 30MPa；Processing fluidity is good, surface light
It is sliding；Electric conductivity is less than 103Ohm/sq；Energy high temperature resistance to 120 DEG C long-term, and energetics performance does not decline；Meeting International Environmental Protection will
It asks.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical solution in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art's all other embodiments obtained without making creative work, all
Belong to the scope of protection of the invention.
Embodiment 1：
(1) it is not to be to prepare conductive agent master batch by the parts by weight of polypropylene, antioxidant, conductive agent, processing aid, compatilizer
45 parts, 1 part, 5 parts, 1 part, 5 parts are stirred 5 minutes by high-speed mixer, form mixture, mixed material is put into twin-screw
In the hopper of extruder, through melting, squeezing out, being granulated to obtain conductive agent master batch.
(2) 30 parts of polypropylene, 70 parts of conductive agent master batch are weighed again, is stirred 5 minutes by high-speed mixer, form mixing
Object.
(3) mixed material is put into the hopper of double screw extruder, through melting, squeezing out, being granulated and obtain conductive PP materials
Material.
Wherein each area's temperature of double screw extruder and screw speed are respectively in step (1) and (3)：One area's temperature 70 C,
Two 120 DEG C of area's temperature, three 130 DEG C of area's temperature, four 150 DEG C of area's temperature, five 150 DEG C of area's temperature, six 150 DEG C of area's temperature, seven area's temperature
160 DEG C of degree, eight 160 DEG C of area's temperature, nine 160 DEG C of area's temperature, 180 DEG C of head temperature；Screw speed 200r/min.
Embodiment 2：
(1) conductive agent master batch is prepared to distinguish polypropylene, antioxidant, conductive agent, processing aid, compatilizer according to parts by weight
It is stirred 5 minutes by high-speed mixer for 50 parts, 2 parts, 10 parts, 2 parts, 10 parts, forms mixture, mixed material is put into
In the hopper of double screw extruder, through melting, squeezing out, being granulated to obtain conductive agent master batch.
(2) 20 parts of polypropylene, 80 parts of conductive agent master batch are weighed again, is stirred 5 minutes by high-speed mixer, form mixing
Object.
(3) mixed material is put into the hopper of double screw extruder, through melting, squeezing out, being granulated and obtain conductive PP materials
Material.
Wherein each area's temperature of double screw extruder and screw speed are respectively in step (1) and (3)：One 100 DEG C of area's temperature,
Two 140 DEG C of area's temperature, three 170 DEG C of area's temperature, four 170 DEG C of area's temperature, five 170 DEG C of area's temperature, six 170 DEG C of area's temperature, seven area's temperature
170 DEG C of degree, eight 170 DEG C of area's temperature, nine 170 DEG C of area's temperature, 180 DEG C of head temperature；Screw speed 220r/min.
Embodiment 3：
(1) conductive agent master batch is prepared by polypropylene, antioxidant 1010, irgasfos 168, conductive agent, processing aid, compatilizer
It is respectively 60 parts, 3 parts, 20 parts, 3 parts, 20 parts according to parts by weight to stir 5 minutes by high-speed mixer, forms mixture, it will be mixed
It closes material to put into the hopper of double screw extruder, through melting, squeezing out, being granulated to obtain conductive agent master batch.
(2) 10 parts of polypropylene, 90 parts of conductive agent master batch are weighed again, is stirred 5 minutes by high-speed mixer, form mixing
Object.
(3) mixed material is put into the hopper of double screw extruder, through melting, squeezing out, being granulated and obtain conductive PP materials
Material.
Wherein each area's temperature of double screw extruder and screw speed are respectively in step (1) and (3)：One 120 DEG C of area's temperature,
Two 150 DEG C of area's temperature, three 190 DEG C of area's temperature, four 190 DEG C of area's temperature, five 190 DEG C of area's temperature, six 190 DEG C of area's temperature, seven area's temperature
190 DEG C of degree, eight 190 DEG C of area's temperature, nine 190 DEG C of area's temperature, 200 DEG C of head temperature；Screw speed 230r/min.
Surface resistivity requires to be tested according to IEC60093, and tensile strength requires to be tested according to ISO527, breaks
Resistance to spalling requires to be tested according to ISO527, and strength retention is tested after heat ageing requires to be tested according to ISO188, curved
Qu Qiangdu, bending modulus require to be tested according to ISO178, as a result as follows：
Based on above-mentioned, present invention has the advantage that：Utilize conduction PP made from the proportioning and test method of the present invention
Composite material, larger improves mechanical property, and tensile strength reaches more than 30MPa, and processing fluidity is good, and surface is smooth, leads
Electrically it is less than 103Ohm/sq, energy high temperature resistance to 120 DEG C long-term, and energetics performance does not decline, and meets International Environmental Protection requirement,
Larger popularization will be obtained in the market.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of high-performance conductive PP composite material, which is characterized in that including following raw material in parts by weight：40~70
The polypropylene of part, 5~20 parts of conductive agent, 5~20 parts of compatilizer, 0.5~5 part of antioxidant, 1~10 part of processing help
Agent.
A kind of 2. method for preparing high-performance conductive PP composite material, which is characterized in that include the following steps：
(1) conductive agent master batch is prepared：Weigh polypropylene, antioxidant, conductive agent, processing aid, compatible respectively according to weight ratio
Agent is stirred 5 minutes by high-speed mixer, forms mixture, mixed material is put into the hopper of double screw extruder, is passed through
Melt, squeeze out, being granulated and to obtain conductive agent master batch.
(2) polypropylene and 70~90 parts of conductive agent master batches with being prepared by step (1) for weighing 10~30 parts again pass through at a high speed
Mixing machine stirs 5 minutes, forms mixture.
(3) mixed material is put into the hopper of double screw extruder, through melting, squeezing out, being granulated and obtain conductive PP materials.
Each area's temperature of double screw extruder and screw speed wherein used in step (1) and step (3) are respectively：One area's temperature
70-120 DEG C, two 120-150 DEG C of area's temperature, three 130-190 DEG C of area's temperature, four 150-190 DEG C of area's temperature, five area temperature 150-
190 DEG C, six 150-190 DEG C of area's temperature, seven 160-190 DEG C of area's temperature, eight 160-190 DEG C of area's temperature, nine area temperature 160-190
DEG C, 180-200 DEG C of head temperature；Screw speed 200-230r/min.
3. a kind of high-performance conductive PP composite material according to claim 1, it is characterised in that：The conductive agent is
At least one of metal powder, sheet metal, carbon fiber.
4. a kind of high-performance conductive PP composite material according to claim 1, it is characterised in that：The compatilizer by
POE grafted maleic anhydrides, POE grafting grafted propylenes acid glycidyl ester, ABS- grafted maleic anhydrides, styrene-acrylonitrile-horse
Come one or more of acid anhydrides, ethylene-butadiene-styrene ternary block polymer grafted maleic anhydride to be formulated.
5. a kind of high-performance conductive PP composite material according to claim 1, it is characterised in that：The antioxidant packages
Include four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters (antioxidant 1010), N, N ' -1,6- inferior hexyls -
Bis- [3- (3,5- di-tert-butyl-hydroxy phenyls) propionamides], β-positive 18 carbon of (3,5- di-tert-butyl-hydroxy phenyls) propionic acid
Alcohol ester, triethylene glycol bis- [3- (3- tertiary butyl-4-hydroxy -5- aminomethyl phenyls) propionic esters], bis- (2,4- di-tert-butyl-phenyls) seasons penta
One or more being formulated of tetrol diphosphites, three [2,4- di-tert-butyl-phenyl] phosphite esters (irgasfos 168).
6. a kind of high-performance conductive PP composite material according to claim 1, it is characterised in that：The processing aid
For polyethylene wax, N, the double Stearyl Amines of N '-ethylene, organic silicone oil, oleamide, ethylene double oleamide, N, N '-ethylene pair is firmly
It is one or more in resin acid amine-grafted maleic anhydride, silicone powder, fluorine containing lubricant to compound.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711460382.6A CN108192207A (en) | 2017-12-28 | 2017-12-28 | A kind of high-performance conductive PP composite material and preparation method |
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| CN201711460382.6A CN108192207A (en) | 2017-12-28 | 2017-12-28 | A kind of high-performance conductive PP composite material and preparation method |
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Cited By (2)
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| CN113817253A (en) * | 2021-10-19 | 2021-12-21 | 北京普利宏斌化工材料有限责任公司 | Smooth master batch and preparation method thereof |
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| CN113817253A (en) * | 2021-10-19 | 2021-12-21 | 北京普利宏斌化工材料有限责任公司 | Smooth master batch and preparation method thereof |
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Application publication date: 20180622 |