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CN102585348B - Toughened conducting material and preparation method for toughened conducting material - Google Patents

Toughened conducting material and preparation method for toughened conducting material Download PDF

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Publication number
CN102585348B
CN102585348B CN201110001979.0A CN201110001979A CN102585348B CN 102585348 B CN102585348 B CN 102585348B CN 201110001979 A CN201110001979 A CN 201110001979A CN 102585348 B CN102585348 B CN 102585348B
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parts
conductive material
toughness reinforcing
electro
coupling agent
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CN201110001979.0A
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CN102585348A (en
Inventor
朱敏
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Hefei Genius New Materials Co Ltd
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Hefei Genius New Materials Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/04Particle-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • B29C48/40Means 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The invention belongs to the technical field of polymer composites and discloses a toughened conducting material and a preparation method for the toughened conducting material. The toughened conducting material disclosed by the invention comprises the following components in parts by weight: 40-70 parts of polypropylene, 5-15 parts of polyethylene, 5-20 parts of ethylene-octene copolymer, 0-20 parts of calcium carbonate, 2-5 parts of compatilizer, 0.1-0.5 parts of coupling agent, 2-25 parts of conducting packing and 0.1-0.5 parts of antioxygen. The preparation method for the toughened conducting material disclosed by the invention comprises the following steps of: weighing 40-70 parts of polypropylene, 5-15 parts of polyethylene, 5-20 parts of ethylene-octene copolymer, 0-20 parts of calcium carbonate, 2-5 parts of compatilizer, 0.1-0.5 parts of coupling agent, 2-25 parts of conducting packing and 0.1-0.5 parts of antioxygen; mixing in a high-speed mixing machine for 5 minutes; then taking out; performing extruding granulation in a twin-screw extruder to prepare the toughened conducting material, wherein the temperature of the extruder is set to be 175-215 DEG C. The material disclosed by the invention can be widely applied to the field of automobiles, electrical and electronic equipment, industrial machinery and the like.

Description

A kind of toughness reinforcing electro-conductive material and preparation method thereof
Technical field
The invention belongs to technical field of polymer composite materials, be specifically related to a kind of toughness reinforcing electro-conductive material and preparation method thereof.
Background technology
Conducting polymer composite is divided into structure-type and compound two classes, and structural conductive macromolecular material refers to Polymer Materials ' Structure itself or after doping, has the macromolecular material of conducting function; Compound is adopt the carbon elements such as carbon black, graphite, carbon fiber and carbon nanotube as the electro-conductive material prepared after electro-conductive material blending and modifying.Wherein structural conductive macromolecular material fails positive promoting the use of because of factors such as machine-shaping difficulty material mechanical performance are unstable.And the conductive filler material amount preparing the interpolation of composite conductive polymer needs causes more greatly the mechanical properties decrease of material, especially the toughness of material declines obviously.And the conductivity utilizing the synergy between different conductive filler material to improve material by adding the method for composite conductive filler material reduces the consumption of conductive filler material, the toughness reinforcing electro-conductive material prepared in the alloy material simultaneously prepared by the multipolymer that conductive filler material and stopping composition are added on polypropylene, polyethylene and ethylene octene by surface modifying method has no report.
Summary of the invention
The object of this invention is to provide a kind of toughness reinforcing electro-conductive material.
Another object of the present invention is to provide a kind of preparation method of above-mentioned toughness reinforcing electro-conductive material.
Technical scheme of the present invention is as follows:
The invention provides a kind of toughness reinforcing electro-conductive material, this electro-conductive material comprises following component and weight part:
Described polypropylene adopts the polypropylene of the various trade mark.
Described polyethylene is selected from the mixture of one or more in high density polyethylene(HDPE), Low Density Polyethylene or linear low density polyethylene.
Described POE adopts the POE of the various trade mark.
Described calcium carbonate is selected from one or both the mixture in the coarse whiting of more than 100 orders or fine particle calcium carbonate.
Described compatilizer adopts polypropylene grafted maleic anhydride.
Described coupling agent is selected from the mixture of one or more in silane coupling agent, aluminate coupling agent or titanate coupling agent.
Described conductive filler material is selected from the mixture of one or more in carbon fiber, graphitized carbon black, Single Walled Carbon Nanotube, double-walled carbon nano-tube or multi-walled carbon nano-tubes.
Described oxidation inhibitor is selected from one or both the mixture in antioxidant 1010 or irgasfos 168.
Present invention also offers a kind of preparation method of above-mentioned toughness reinforcing electro-conductive material, the method comprises the following steps:
Take 40 ~ 70 parts of polypropylene, 5 ~ 15 parts of polyethylene, 5 ~ 20 parts of POE, 0 ~ 20 part of calcium carbonate, 2 ~ 5 parts of compatilizers, 0.1 ~ 0.5 part of coupling agent, 2 ~ 25 parts of conductive filler materials and 0.1 ~ 0.5 part of oxidation inhibitor, take out mix 5 minutes in high-speed mixer after, extruding pelletization in twin screw extruder, extruder temperature is set in 175-215 DEG C, obtained toughness reinforcing electro-conductive material.
Compared with prior art, the present invention has following beneficial effect:
1, the invention provides a kind of toughness reinforcing electro-conductive material, this material can be widely used in the fields such as automobile, electronic electric equipment and industrial machinery.
2, the present invention is by the consumption of the composite optimization conductive filler material of multiple conductive filler material and utilize the synergy of various conductive filler material to construct conductivity that better conductive network improves material.
3, the present invention has carried out surface modification to conductive filler material and calcium carbonate and the alloy material adopting the multipolymer of polypropylene, polyethylene and ethylene octene to prepare is matrix improves the consumption that conductive filler material dispersion effect is in the base conducive to utilizing less conductive filler material to construct better conductive network reduces conductive filler material while ensure that materials conductive performance, in addition owing to adopting alloy material to be the problem that matrix solves conducing composite material poor toughness prepared by current various method, be simultaneously easy to suitability for industrialized production because the simple cost of moulding process of material is lower.
4, the present invention reduces the consumption of conductive filler material by the conductivity that the method for adding composite conductive filler material utilizes the synergy between different conductive filler material to improve material, in the alloy material simultaneously prepared by the multipolymer that conductive filler material and stopping composition are added on polypropylene, polyethylene and ethylene octene by surface modifying method, object is the mechanical property especially toughness of strongthener, and the dispersion in the base simultaneously increasing electro-conductive material improves the conductivity of material.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
Polypropylene 51 parts (weight part, lower same), linear low density polyethylene 10 parts, POE 15 parts, the above coarse whiting of 100 order 5 parts, compatilizer polypropylene grafted maleic anhydride 3.5 parts, silane coupling agent 0.2 part, 15 parts, carbon fiber, antioxidant 1010 0.3 part.
By polypropylene, linear low density polyethylene, POE, calcium carbonate, polypropylene grafted maleic anhydride, silane coupling agent and antioxidant 1010, put into high-speed mixer mixing according to the above ratio to take out after 5 minutes, extruding pelletization in twin screw extruder, carbon fiber adds according to the above ratio at the glass charging opening of twin screw extruder, extruder temperature is set in 175-215 DEG C, the pellet obtained is made batten in injection moulding machine, and injection moulding machine temperature is set in 190-220 DEG C of its performance test results in table 1.
Embodiment 2
Polypropylene 40 parts, linear low density polyethylene 10 parts, POE 20 parts, fine particle calcium carbonate more than 100 orders 10 parts, compatilizer polypropylene grafted maleic anhydride 3.5 parts, aluminate coupling agent 0.2 part, 15 parts, carbon fiber, multi-walled carbon nano-tubes 1 part, antioxidant 1010 0.3 part.
Polypropylene, linear low density polyethylene, POE, calcium carbonate, compatilizer polypropylene grafted maleic anhydride, aluminate coupling agent, multi-walled carbon nano-tubes and antioxidant 1010 are put into according to the above ratio high-speed mixer mixing to take out after 5 minutes, extruding pelletization in twin screw extruder, carbon fiber adds according to the above ratio at the glass charging opening of twin screw extruder, extruder temperature is set in 175-215 DEG C, the pellet obtained is made batten in injection moulding machine, injection moulding machine temperature is set in 190-220 DEG C, and its performance test results is in table 1.
Embodiment 3
Polypropylene 50 parts, linear low density polyethylene 5 parts, POE 20 parts, the above fine particle calcium carbonate of 100 order 5 parts, compatilizer polypropylene grafted maleic anhydride 3.5 parts, titanate coupling agent 0.3 part, multi-walled carbon nano-tubes 1 part, graphitized carbon black 15 parts, irgasfos 168 0.2 part.
Polypropylene, linear low density polyethylene, POE, calcium carbonate, compatilizer polypropylene grafted maleic anhydride, titanate coupling agent, multi-walled carbon nano-tubes, graphitized carbon black and irgasfos 168 are put into according to the above ratio high-speed mixer mixing to take out after 5 minutes, extruding pelletization in twin screw extruder, extruder temperature is set in 175-215 DEG C, the pellet obtained is made batten in injection moulding machine, injection moulding machine temperature is set in 190-220 DEG C, and its performance test results is in table 1.
Embodiment 4
Polypropylene 70 parts, linear low density polyethylene 5 parts, POE 5 parts, compatilizer polypropylene grafted maleic anhydride 3.5 parts, titanate coupling agent 0.3 part, multi-walled carbon nano-tubes 1 part, graphitized carbon black 15 parts, antioxidant 1010 0.2 part.
Polypropylene, linear low density polyethylene, POE, compatilizer polypropylene grafted maleic anhydride, titanate coupling agent, multi-walled carbon nano-tubes, graphitized carbon black and irgasfos 168 are put into according to the above ratio high-speed mixer mixing to take out after 5 minutes, extruding pelletization in twin screw extruder, extruder temperature is set in 175-215 DEG C, the pellet obtained is made batten in injection moulding machine, injection moulding machine temperature is set in 190-220 DEG C, and its performance test results is in table 1.
Table 1
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.

Claims (9)

1. a toughness reinforcing electro-conductive material, is characterized in that: this electro-conductive material comprises following component and weight part,
Described conductive filler material is selected from the composite or graphitized carbon black of carbon fiber and many walls nanotube and the composite of many walls nanotube, wherein, the weight part of carbon fiber is 15 parts and the weight part of multi-walled carbon nano-tubes is 1 part, or the weight part of graphitized carbon black is 15 parts and the weight part of multi-walled carbon nano-tubes is 1 part.
2. the toughness reinforcing electro-conductive material of one according to claim 1, is characterized in that: described polypropylene adopts the polypropylene of the various trade mark.
3. the toughness reinforcing electro-conductive material of one according to claim 1, is characterized in that: described polyethylene is selected from the mixture of one or more in high density polyethylene(HDPE), Low Density Polyethylene or linear low density polyethylene.
4. the toughness reinforcing electro-conductive material of one according to claim 1, is characterized in that: described POE adopts the POE of the various trade mark.
5. the toughness reinforcing electro-conductive material of one according to claim 1, is characterized in that: described calcium carbonate is selected from one or both the mixture in the coarse whiting of more than 100 orders or fine particle calcium carbonate.
6. the toughness reinforcing electro-conductive material of one according to claim 1, is characterized in that: described compatilizer adopts polypropylene grafted maleic anhydride.
7. the toughness reinforcing electro-conductive material of one according to claim 1, is characterized in that: described coupling agent is selected from the mixture of one or more in silane coupling agent, aluminate coupling agent or titanate coupling agent.
8. the toughness reinforcing electro-conductive material of one according to claim 1, is characterized in that: described oxidation inhibitor is selected from one or both the mixture in antioxidant 1010 or irgasfos 168.
9. the preparation method of the arbitrary described a kind of toughness reinforcing electro-conductive material of claim 1 to 8, is characterized in that: the method comprises the following steps,
Take 40 ~ 70 parts of polypropylene, 5 ~ 15 parts of polyethylene, 5 ~ 20 parts of POE, 0 ~ 20 part of calcium carbonate, 2 ~ 5 parts of compatilizers, 0.1 ~ 0.5 part of coupling agent, 16 parts of conductive filler materials and 0.1 ~ 0.5 part of oxidation inhibitor, take out mix 5 minutes in high-speed mixer after, extruding pelletization in twin screw extruder, extruder temperature is set in 175-215 DEG C, obtained toughness reinforcing electro-conductive material.
CN201110001979.0A 2011-01-06 2011-01-06 Toughened conducting material and preparation method for toughened conducting material Active CN102585348B (en)

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