CN109627588A - A kind of highly conductive PP/PS composite material and preparation method - Google Patents
A kind of highly conductive PP/PS composite material and preparation method Download PDFInfo
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- CN109627588A CN109627588A CN201811573936.8A CN201811573936A CN109627588A CN 109627588 A CN109627588 A CN 109627588A CN 201811573936 A CN201811573936 A CN 201811573936A CN 109627588 A CN109627588 A CN 109627588A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention relates to technical field of polymer materials, in particular to a kind of highly conductive PP/PS composite material and preparation method.Wherein, highly conductive PP/PS composite material, is made of the raw material of following parts by weight: PP33-49 parts, HIPS40-50 parts, SBS5-10 parts, 4-8 parts of conductive filler, 0.2-0.5 parts of antioxidant, 0.2-0.5 parts of lubricant, wherein conductive filler is the conductive black pretreated through titanate coupling agent.Highly conductive PP/PS composite material provided by the invention is selected through the processed conductive black of titanate coupling agent as conductive filler, and adding a small amount of conductive filler i.e. has high electrical conductivity energy.Eutectic is selected to refer to that highly viscous HIPS as blend, can be improved the impact strength and toughness of composite material simultaneously, final obtained low cost, the highly conductive PP/PS composite material that density is small, comprehensive mechanical property is excellent.
Description
Technical field
The present invention relates to technical field of polymer materials, in particular to a kind of highly conductive PP/PS composite material and its preparation
Method.
Background technique
Polypropylene is one of maximum five kinds of general-purpose plastics of yield, has excellent mechanical property, chemical property, in vapour
It is used widely in the fields such as vehicle, household electrical appliances, packaging, building, it has also become kind with fastest developing speed in resins for universal use.But due to poly- third
Alkene is insulating materials, and which has limited it to have conductivity the application required on product in electronic apparatus industry.In the polymer
The conductive polymer composites that conductive filler preparation has lasting stability electric conductivity are added, due to simple process, at low cost, electric
Resistance rate adjustable extent is wide, is widely used in recent years in many industries such as electronics, the energy, chemical industry, aerospace.
About conductive polypropylene composite material is prepared, related patent proposes some solutions, such as patent
CN200410024686 discloses a kind of antistatic and conducting polypropylene (PP) blend preparation method, is by polypropylene, ring
Oxygen resin, the glass fibre through coupling agent treatment and conductive black are added in mixer melt blending i.e. after mixing simultaneously
?.The method relies on the polarity of epoxy resin, forms epoxy and is coated on fiberglass surfacing, conductive black precedence partition is in epoxy
This unique structure, significantly reduces the volume resistance of PP in resin.But there are polypropylene and epoxy resin compatibility
The defects of difference, compound system mechanical property are bad, while conduction synergistic effect reduces when glass fiber content is higher.
Such as patent CN201410195927 discloses a kind of conducting polypropylene and preparation method thereof, is to use 20%-30%
Conductive black be added to the electric conductivity that composite material is improved in composite material, although to prepare electric conductivity excellent for the method
Different conductive polypropylene composite material, but since conductive black price is expensive, so that final conducing composite material is at high cost
It is high.
Such as patent CN201310254831 discloses a kind of polypropylene conductive plastic cement and preparation method thereof, is 30 parts of addition
The above conductive black and 10 parts or more aluminium powder to reach conductive effect, but the method due to addition conductive filler ratio too
Greatly, it is affected to material flowability and physical mechanical property, and the density of carbon black, aluminium powder compares the density of polypropylene plastics
It is much larger, so that the product weight finally prepared can also be laid particular stress on.Patent CN201410695793 disclose a kind of conduction PP material and
Preparation method is that conductive filler obtains electric conductivity, but there is presently no obtain extensive work for graphene using graphene
Industry metaplasia produces, source and high cost can all limit to a certain extent final conducing composite material mass production and
Using.
Summary of the invention
To solve, the above-mentioned existing conductive polypropylene composite material mentioned in the prior art is at high cost, density is bigger than normal, mechanics
Deficiencies, the present invention such as performance is low provide a kind of highly conductive PP/PS composite material, are made of the raw material of following parts by weight:
Wherein, conductive filler is the conductive black pretreated through titanate coupling agent.
Preferably, the PP is at least one of homopolypropylene, copolymer polypropylene, melt index 40-80g/
10min.The too high then PP resin impact strength of melting means, toughness of material are lower, and the too low then viscosity of melting means is too big, is unfavorable for conduction and fills out
Expect evenly dispersed wherein；PP7555KNE2 can be selected.
Preferably, the HIPS is high impact polystyrene, melt index 3-8g/10min.The too high then viscosity of melting means
Low, conductive filler is easy diffusion and is mixed into wherein and is unfavorable for conductive filler and is enriched in PP phase；The too low then viscosity of melting means is big, unfavorable
In the injection molding of final composite material；HIPS-622P can be selected.
Preferably, the SBS is styrene butadiene block copolymer；SBSYH-792 can be selected
Preferably, the conductive black preprocess method specifically: it is 80 that the conductive black of 100 parts by weight, which is put into temperature,
DEG C high-speed mixer in premix 10 minutes, the titanate coupling agent for being dissolved in dehydrated alcohol of 1 parts by weight is then added, is warming up to
100 DEG C of mixing discharge after twenty minutes, place 1 hour at room temperature to vapor away extra solvent, obtain conductive filler.Wherein
HG-CB can be selected in conductive black, and NDZ-101 can be selected in titanate coupling agent.
Preferably, the antioxidant is in Hinered phenols antioxidant, sulphur ester antioxidant and sub- acid ester salt kind antioxidant
Antioxidant 1010 or irgasfos 168 can be selected at least one.
Preferably, the lubricant is N, N '-ethylene bis stearamide, polyethylene wax, polypropylene wax, calcium stearate, hard
At least one of resin acid zinc and magnesium stearate；Lubricate EBS-SF can be selected
The present invention also provides a kind of preparation methods of highly conductive PP/PS composite material, comprising the following steps:
Step a, the conductive black of 100 parts by weight is put into temperature is to premix 10 minutes in 80 DEG C of high-speed mixer, so
The titanate coupling agent for being dissolved in dehydrated alcohol of 1 parts by weight is added afterwards, is warming up to 100 DEG C of mixing and discharges after twenty minutes, in room temperature
It is lower to place 1 hour to vapor away extra solvent, conductive filler is made；
Step b, PP, SBS, conductive filler, antioxidant, lubricant are weighed by weight ratio, after mixing from main feeding
Mouth is added to parallel double-screw extruder；
Step c, HIPS is weighed by weight ratio, is added to parallel double-screw from the side spout for being located at Section of six cylinder and is squeezed
Machine out makes all components material carry out shear melting blending extrusion in parallel double-screw extruder；
Step d, by the material strip squeezed out through parallel double-screw extruder, cooling, dry, pelletizing, it is multiple to be made highly conductive PP/PS
Condensation material.
Preferably, each section of the parallel double-screw extruder of processing temperature be respectively as follows: 180 DEG C of an area, 190 DEG C of 2nd area,
Three 200 DEG C of areas, 220 DEG C of 4th area, 220 DEG C of 5th area, 215 DEG C of 6th area, 215 DEG C of 7th area, 215 DEG C of 8th area, 210 DEG C of 9th area, ten areas 210
DEG C, 220 DEG C of head.
A kind of highly conductive PP/PS composite material provided by the invention, conductive black are not allowed after titanate coupling agent is handled
It is easy to reunite, it is easier to evenly dispersed in PP resin；The PP resin of high fluidity, low viscosity is selected, conductive black is in PP resin
In be easier mixed distribution be uniformly dispersed；It is preferred that eutectic refers to highly viscous HIPS, in this way, from the PP resin-of machine under main spout
Conductive black in conductive black mixture melt is just not easy migration during melt blending later and is dispersed into height
In the HIPS phase of viscosity, conductive black is finally made to be enriched in PP phase in two-arch tunnel structural system material, reduces conductive charcoal
The black percolation threshold in entire composite material reaches a small amount of conductive black of addition and is considerably improved conductivity of composite material energy
Effect.Eutectic is selected to refer to that as blend, it is anti-to can make up for it high fluidity, the PP resin of low viscosity by highly viscous HIPS simultaneously
The deficiency of impact strength and toughness, final obtained low cost, the highly conductive PP/PS that density is small, comprehensive mechanical property is excellent are compound
Material.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
The present invention also provides as following formula and the embodiment of preparation method:
Embodiment 1
It is matched by following parts by weight composition: 46.4 parts of PP, 40 parts of HIPS, 5 parts of SBS, 8 parts of conductive filler, being resisted
0.3 part of oxygen agent, 0.3 part of lubricant.
Wherein conductive filler the preparation method comprises the following steps: it is that 80 DEG C of high speed is mixed that the conductive black of 100 parts by weight, which is put into temperature,
It is premixed 10 minutes in conjunction machine, the titanate coupling agent for being dissolved in dehydrated alcohol of 1 parts by weight is then added, be warming up to 100 DEG C of mixing
It discharges after twenty minutes, places 1 hour at room temperature to vapor away extra solvent, obtain conductive filler；
Corresponding raw material is weighed by above-mentioned parts by weight；
It later, will be after load weighted PP, SBS, conductive filler, antioxidant, mix lubricant be uniform in proportion from main feeding
Mouth is added to parallel double-screw extruder, and load weighted HIPS in proportion is added to from the side spout for being located at Section of six cylinder
Parallel double-screw extruder makes all components material carry out shear melting blending extrusion in parallel double-screw extruder, wherein
Parallel double-screw extruder processing temperature be 180 DEG C of an area, 190 DEG C of 2nd area, 200 DEG C of 3rd area, 220 DEG C of 4th area, 220 DEG C of 5th area,
Six 215 DEG C of areas, 215 DEG C of 7th area, 215 DEG C of 8th area, 210 DEG C of 9th area, 210 DEG C of tenth area, 220 DEG C of head；
Finally cooling, the dry, pelletizing by the material strip come out through parallel double-screw extruder mouth mold, obtains highly conductive PP/PS
Composite material.
Embodiment 2
By following parts by weight composition matched: 38.4 parts of PP, 45 parts of HIPS, 10 parts of SBS, 6 parts of conductive filler,
0.3 part of antioxidant, 0.3 part of lubricant.
Wherein conductive filler the preparation method comprises the following steps: it is that 80 DEG C of high speed is mixed that the conductive black of 100 parts by weight, which is put into temperature,
It is premixed 10 minutes in conjunction machine, the titanate coupling agent for being dissolved in dehydrated alcohol of 1 parts by weight is then added, be warming up to 100 DEG C of mixing
It discharges after twenty minutes, places 1 hour at room temperature to vapor away extra solvent, obtain conductive filler；
Corresponding raw material is weighed by above-mentioned parts by weight；
It later, will be after load weighted PP, SBS, conductive filler, antioxidant, mix lubricant be uniform in proportion from main feeding
Mouth is added to parallel double-screw extruder, and load weighted HIPS in proportion is added to from the side spout for being located at Section of six cylinder
Parallel double-screw extruder makes all components material carry out shear melting blending extrusion in parallel double-screw extruder, wherein
Parallel double-screw extruder processing temperature be 180 DEG C of an area, 190 DEG C of 2nd area, 200 DEG C of 3rd area, 220 DEG C of 4th area, 220 DEG C of 5th area,
Six 215 DEG C of areas, 215 DEG C of 7th area, 215 DEG C of 8th area, 210 DEG C of 9th area, 210 DEG C of tenth area, 220 DEG C of head；
Finally cooling, the dry, pelletizing by the material strip come out through parallel double-screw extruder mouth mold, obtains highly conductive PP/PS
Composite material.
Embodiment 3
It is matched by following parts by weight composition: 36.4 parts of PP, 50 parts of HIPS, 8 parts of SBS, 5 parts of conductive filler, being resisted
0.3 part of oxygen agent, 0.3 part of lubricant.
Wherein conductive filler the preparation method comprises the following steps: it is that 80 DEG C of high speed is mixed that the conductive black of 100 parts by weight, which is put into temperature,
It is premixed 10 minutes in conjunction machine, the titanate coupling agent for being dissolved in dehydrated alcohol of 1 parts by weight is then added, be warming up to 100 DEG C of mixing
It discharges after twenty minutes, places 1 hour at room temperature to vapor away extra solvent, obtain conductive filler；
Corresponding raw material is weighed by above-mentioned parts by weight；
It later, will be after load weighted PP, SBS, conductive filler, antioxidant, mix lubricant be uniform in proportion from main feeding
Mouth is added to parallel double-screw extruder, and load weighted HIPS in proportion is added to from the side spout for being located at Section of six cylinder
Parallel double-screw extruder makes all components material carry out shear melting blending extrusion in parallel double-screw extruder, wherein
Parallel double-screw extruder processing temperature be 180 DEG C of an area, 190 DEG C of 2nd area, 200 DEG C of 3rd area, 220 DEG C of 4th area, 220 DEG C of 5th area,
Six 215 DEG C of areas, 215 DEG C of 7th area, 215 DEG C of 8th area, 210 DEG C of 9th area, 210 DEG C of tenth area, 220 DEG C of head；
Finally cooling, the dry, pelletizing by the material strip come out through parallel double-screw extruder mouth mold, obtains highly conductive PP/PS
Composite material.
Embodiment 4
It is matched by following parts by weight composition: 39.4 parts of PP, 50 parts of HIPS, 6 parts of SBS, 4 parts of conductive filler, being resisted
0.3 part of oxygen agent, 0.3 part of lubricant.
Wherein conductive filler the preparation method comprises the following steps: it is that 80 DEG C of high speed is mixed that the conductive black of 100 parts by weight, which is put into temperature,
It is premixed 10 minutes in conjunction machine, the titanate coupling agent for being dissolved in dehydrated alcohol of 1 parts by weight is then added, be warming up to 100 DEG C of mixing
It discharges after twenty minutes, places 1 hour at room temperature to vapor away extra solvent, obtain conductive filler；
Corresponding raw material is weighed by above-mentioned parts by weight；
It later, will be after load weighted PP, SBS, conductive filler, antioxidant, mix lubricant be uniform in proportion from main feeding
Mouth is added to parallel double-screw extruder, and load weighted HIPS in proportion is added to from the side spout for being located at Section of six cylinder
Parallel double-screw extruder makes all components material carry out shear melting blending extrusion in parallel double-screw extruder, wherein
Parallel double-screw extruder processing temperature be 180 DEG C of an area, 190 DEG C of 2nd area, 200 DEG C of 3rd area, 220 DEG C of 4th area, 220 DEG C of 5th area,
Six 215 DEG C of areas, 215 DEG C of 7th area, 215 DEG C of 8th area, 210 DEG C of 9th area, 210 DEG C of tenth area, 220 DEG C of head；
Finally cooling, the dry, pelletizing by the material strip come out through parallel double-screw extruder mouth mold, obtains highly conductive PP/PS
Composite material.
Comparative example 1
The composition of raw materials and preparation method and embodiment 4 that comparative example 1 uses are almost the same, and difference is to be added without HIPS,
But replace with the PP of identical weight number.
Comparative example 2
The composition of raw materials and preparation method and embodiment 4 that comparative example 2 uses are almost the same, and difference is to be added without SBS, and
It is the PP for replacing with identical weight number.
Comparative example 3
The composition of raw materials and preparation method and embodiment 4 that comparative example 3 uses are almost the same, and difference is that the conduction being added is filled out
Material is the conductive black pretreated without titanate coupling agent.
It prepared by above-described embodiment 1-4 and comparative example 1-3 detects sample to be tested needed for resulting composite material is made, carried out
Following detection: density, yield strength, Izod notched impact strength, volume resistivity, specific detection method reference standard inspection
It surveys, details are not described herein again, shown in testing result table specific as follows:
Table 1
Embodiment 1-4 can be seen that the raising with conductive filler adding proportion from table 1, and conducting particles is in composite wood
Density in material increases, and composite material volume resistivity becomes smaller；With the raising of SBS adding proportion, HIPS and PP can be increased
Compatibility, the mechanical property of composite material improves；HIPS, 4 parts by weight are added without it can be seen from embodiment 4 and comparative example 1
Conductive black content reach its percolation threshold in PP resin far away, cause composite material volume resistivity to significantly increase；
SBS is added without it can be seen from embodiment 4 and comparative example 2, PP resin and HIPS resin compatible are insufficient, Compound Material Engineering
Reduced performance；If conductive black is pre-processed without titanate coupling agent it can be seen from embodiment 4 and comparative example 3,
Dispersing uniformity in PP resin is poor, is unfavorable for forming conductive path, so that composite material volume resistivity increases.
A kind of highly conductive PP/PS composite material provided by the invention, by PP resin, SBS resin, through titanate coupling agent at
It is mixed to Section of five twin-screw shear melting through first segment from machine under main feeding after the conductive black managed and other auxiliary agents are mixed
After closing dispersion, then by the HIPS of proper proportion and from the side spout for being located at Section of six cylinder enter machine extruder, and PP and leads
Blending extrusion is granulated the improving uniformity of melt of electric carbon black in parallel double-screw together.Wherein through the processed conduction of titanate coupling agent
Carbon black is not allowed easy to reunite, it is easier to evenly dispersed in PP resin；It is preferred that the PP resin of high fluidity, low viscosity, conductive black
Mixed distribution is easier in PP resin to be uniformly dispersed；It is preferred that eutectic refers to highly viscous HIPS, in this way, from machine under main spout
Conductive black in PP resin-conductive black mixture melt, which is just not easy to migrate during melt blending later, to be dispersed into
Enter into highly viscous HIPS phase, conductive black is finally made to be enriched in PP phase in two-arch tunnel structural system material, reduces
Percolation threshold of the conductive black in entire composite material reaches a small amount of conductive black of addition and is considerably improved composite material and lead
The effect of electrical property.Eutectic is selected to refer to that highly viscous HIPS as blend, can make up for it the PP of high fluidity, low viscosity simultaneously
The deficiency of resin impact strength and toughness, final obtained low cost, the highly conductive PP/ that density is small, comprehensive mechanical property is excellent
PS composite material.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (9)
1. a kind of highly conductive PP/PS composite material, it is characterised in that: be made of the raw material of following parts by weight:
Wherein, conductive filler is the conductive black pretreated through titanate coupling agent.
2. a kind of highly conductive PP/PS composite material as described in claim 1, it is characterised in that: the PP be homopolypropylene,
At least one of copolymer polypropylene, melt index 40-80g/10min.
3. a kind of highly conductive PP/PS composite material as described in claim 1, it is characterised in that: the HIPS is high impact poly
Styrene, melt index 3-8g/10min.
4. a kind of highly conductive PP/PS composite material as described in claim 1, it is characterised in that: the SBS is styrene fourth two
Alkene block copolymer.
5. a kind of highly conductive PP/PS composite material as described in claim 1, it is characterised in that: the conductive black pretreatment
Method specifically: it is to premix 10 minutes in 80 DEG C of high-speed mixer that the conductive black of 100 parts by weight, which is put into temperature, then plus
The titanate coupling agent for being dissolved in dehydrated alcohol for entering 1 parts by weight is warming up to 100 DEG C of mixing and discharges after twenty minutes, puts at room temperature
1 hour is set to vapor away extra solvent, obtains conductive filler.
6. a kind of highly conductive PP/PS composite material as described in claim 1, it is characterised in that: the antioxidant is hindered phenol
At least one of kind antioxidant, sulphur ester antioxidant and sub- acid ester salt kind antioxidant.
7. a kind of highly conductive PP/PS composite material as described in claim 1, it is characterised in that: the lubricant is N, N '-second
Support at least one of bis-stearamides, polyethylene wax, polypropylene wax, calcium stearate, zinc stearate and magnesium stearate.
8. the preparation method of highly conductive PP/PS composite material according to claim 1-7, it is characterised in that: packet
Include following steps:
Step a, the conductive black of 100 parts by weight is put into temperature is to premix 10 minutes in 80 DEG C of high-speed mixer, then plus
The titanate coupling agent for being dissolved in dehydrated alcohol for entering 1 parts by weight is warming up to 100 DEG C of mixing and discharges after twenty minutes, puts at room temperature
1 hour is set to vapor away extra solvent, conductive filler is made；
Step b, PP, SBS, conductive filler, antioxidant, lubricant are weighed by weight ratio, are added after mixing from main spout
Enter to parallel double-screw extruder；
Step c, HIPS is weighed by weight ratio, is added to parallel double-screw from the side spout for being located at Section of six cylinder and is squeezed out
Machine makes all components material carry out shear melting blending extrusion in parallel double-screw extruder；
Step d, by the material strip squeezed out through parallel double-screw extruder, cooling, dry, pelletizing, is made highly conductive PP/PS composite wood
Material.
9. a kind of preparation method of highly conductive PP/PS composite material as claimed in claim 8, it is characterised in that: described parallel
The processing temperature that each section of double screw extruder is respectively as follows: 180 DEG C of an area, 190 DEG C of 2nd area, 200 DEG C of 3rd area, 220 DEG C of 4th area, 5th area
220 DEG C, 215 DEG C of 6th area, 215 DEG C of 7th area, 215 DEG C of 8th area, 210 DEG C of 9th area, 210 DEG C of tenth area, 220 DEG C of head.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113799364A (en) * | 2021-09-23 | 2021-12-17 | 金旸（厦门）新材料科技有限公司 | Screw combination, parallel double-screw extruder, high-conductivity PP/HIPS composite material and preparation method thereof |
| CN114031863A (en) * | 2021-10-27 | 2022-02-11 | 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 | High-conductivity PS/HDPE composite material and preparation method thereof |
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| CN101891914A (en) * | 2010-07-29 | 2010-11-24 | 山东科虹线缆有限公司 | Composite type high-conductivity polymer material and preparation method thereof |
| CN104893108A (en) * | 2015-06-24 | 2015-09-09 | 广州科苑新型材料有限公司 | Low-shrinkage high-impact-resistant halogen-free flame-retardant PP/PS (polypropylene /polystyrene) alloy composite material 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101891914A (en) * | 2010-07-29 | 2010-11-24 | 山东科虹线缆有限公司 | Composite type high-conductivity polymer material and preparation method thereof |
| CN104893108A (en) * | 2015-06-24 | 2015-09-09 | 广州科苑新型材料有限公司 | Low-shrinkage high-impact-resistant halogen-free flame-retardant PP/PS (polypropylene /polystyrene) alloy composite material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113799364A (en) * | 2021-09-23 | 2021-12-17 | 金旸（厦门）新材料科技有限公司 | Screw combination, parallel double-screw extruder, high-conductivity PP/HIPS composite material and preparation method thereof |
| CN114031863A (en) * | 2021-10-27 | 2022-02-11 | 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 | High-conductivity PS/HDPE composite material and preparation method thereof |
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Application publication date: 20190416 |