CN102382427B - Antistatic enhanced poly butylenes terephthalate composite material and preparation method thereof - Google Patents

Antistatic enhanced poly butylenes terephthalate composite material and preparation method thereof Download PDF

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CN102382427B
CN102382427B CN2011102818868A CN201110281886A CN102382427B CN 102382427 B CN102382427 B CN 102382427B CN 2011102818868 A CN2011102818868 A CN 2011102818868A CN 201110281886 A CN201110281886 A CN 201110281886A CN 102382427 B CN102382427 B CN 102382427B
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acid
phenenyl
district
carbon black
composite
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CN102382427A (en
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徐东
徐永
孙航
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Polymer Science Shenzhen New Materials Co Ltd
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Polymer Science Shenzhen New Materials Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B29B9/14—Making granules characterised by structure or composition fibre-reinforced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461—Combinations of dissimilar mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/90—Fillers or reinforcements, e.g. fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • 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
    • 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
    • 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
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • B29C2948/92514—Pressure
    • 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
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • 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

Abstract

The invention discloses an antistatic enhanced poly butylenes terephthalate composite material and preparation method thereof. The composite material comprises, by weight, 100 parts of poly butylenes terephthalate, 3-12 parts of conductive carbon black, 20-25 parts of carbon fiber, 0.8-2 parts of lubricant, 0.3-0.5 part of anti-oxidant and 3-5 parts of antistatic agent. The composite material of the invention has lower specific gravity than a common glass fiber enhanced material, high strength as well as also high temperature toleration of the common glass fiber enhanced material; besides, the material has stable surface resistor and excellent antistatic effect.

Description

Antistatic enhancing mutual-phenenyl two acid bromide two alcohol ester matrix material and preparation method thereof
Technical field
The present invention relates to technical field of polymer materials, relate in particular to a kind of antistatic enhancing mutual-phenenyl two acid bromide two alcohol ester matrix material and preparation method thereof.
Background technology
Polybutylene terephthalate (PBT) is the linear saturated polyester resin of a kind of crystal type.Its crystallization velocity is fast, but high-speed molding; Weathering resistance, electrical property, flame retardant properties, chemical proofing, friction wear excellent, water-absorbent is low, heat-drawn wire is high; Mechanical property is good, and physical strength is high, resistance to fatigue and good stability of the dimension, and creep is also less, these performances also changes little under hot conditions.But its effect aspect antistatic property is not ideal enough.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of antistatic enhancing mutual-phenenyl two acid bromide two alcohol ester matrix material and preparation method thereof.
For solving the problems of the technologies described above, the objective of the invention is to be achieved through the following technical solutions.
A kind of antistatic enhancing mutual-phenenyl two acid bromide two alcohol ester matrix material, its composition is by weight:
Polybutylene terephthalate 100;
Conductive carbon black 3-12;
Carbon fiber 20-25;
Lubricant 0.8-2;
Oxidation inhibitor 0.3-0.5;
Static inhibitor 3-5.
Preferably, described polybutylene terephthalate, its relative density is 1.30～1.34, and fusing point is 222～227 ℃, and its kinetic viscosity is 0.9～1.1Pa.S.
Preferably, described conductive carbon black is one or several composite in conduction oven process carbon black, superconduction oven process carbon black, high electric conductivity oven process carbon black or the acetylene carbon black.
Preferably, the described carbon fiber long filament that to be polyacrylonitrile fibre, pitch fibers, viscose yarn or phenolic fibre make through carbonization or in the chopped strand one or several are composite.
Preferably, described lubricant is that in the modified product of OP wax, stearic acid or fatty acid, silicone or ethylene bis stearamide one or several are composite.
Preferably, described oxidation inhibitor is that four [3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2,4-di-t-butyl phenyl ester) composite mixture or triglycol be two-a kind of in 3-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) vinyl cyanide, three (2, the 4-di-tert-butylphenol) phosphorous acid ester.
Preferably, described static inhibitor is one or several composite of an alkali metal salt of quaternary ammonium alkyl, phosphorus or the phosphonium salt of long-chain or alkylsulphonic acid, phosphoric acid or dithiocarbamic acid or ethoxylated fat family alkylamine
A kind of aforesaid antistatic enhancing mutual-phenenyl two acid bromide two alcohol ester composite material and preparation method thereof comprises step:
A: take by weighing by weight polybutylene terephthalate, conductive carbon black, lubricant, oxidation inhibitor, static inhibitor, and in high-speed mixer, mix;
B: the mixture that stirs is placed the dual-screw-stem machine melting, and the side feeding adds carbon fiber, extruding pelletization.
Preferably, processing condition among the step b are: twin screw extruder one district's temperature is 190～210 ℃, two district's temperature are 220～240 ℃, three district's temperature are 230～245 ℃, four district's temperature are 225～240 ℃, 230～250 ℃ in five districts, compound time of delivery in screw rod is 1～5 minute, pressure is 10～18MPa.
The present invention has following beneficial effect:
The prepared antistatic strongthener of the present invention has the characteristics of two aspects: the glass fiber reinforced materials proportion that 1, strongthener is commonly used is low and intensity is high, has simultaneously the high-temperature resistant performance of common glass fiber reinforced materials concurrently; 2, material surface resistance stabilization, antistatic effect is excellent.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with specific embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
In the following embodiments, polybutylene terephthalate, its relative density is 1.30～1.34, and fusing point is 222～227 ℃, and kinetic viscosity is 0.9～1.1, and its manufacturer is TaiWan, China Changchun, Mitsubishi or U.S. GE.Conductive carbon black is one or several composite in conduction oven process carbon black, superconduction oven process carbon black, high electric conductivity oven process carbon black etc. or the acetylene carbon black.The carbon fiber long filament that to be polyacrylonitrile fibre, pitch fibers, viscose yarn or phenolic fibre make through carbonization or in the chopped strand one or several are composite.Lubricant is that in the modified product of OP wax, stearic acid or fatty acid, silicone or ethylene bis stearamide one or several are composite.Oxidation inhibitor is that four [3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2,4-di-t-butyl phenyl ester) composite mixture or triglycol be two-a kind of in 3-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) vinyl cyanide, three (2, the 4-di-tert-butylphenol) phosphorous acid ester.Static inhibitor is one or several composite of an alkali metal salt of quaternary ammonium alkyl, phosphorus or the phosphonium salt of long-chain or alkylsulphonic acid, phosphoric acid or dithiocarbamic acid or ethoxylated fat family alkylamine.
Among the present invention, the function of polybutylene terephthalate provides a suitable melt strength, so that static inhibitor, carbon fiber and conductive carbon black can be dispersed in the molten system.
The resistivity of conductive carbon black is low, gives the plastic material antistatic effect.
The function of carbon fiber is to improve the mechanical property of matrix material, can make plastic material have corresponding antistatic effect simultaneously.
The function of lubricant is that static inhibitor and other components are dispersed in the system under the molten state so that composite bodies ties up to.
The function of oxidation inhibitor is to reduce the oxidation of material in the course of processing.
The function of static inhibitor is to improve the antistatic effect of material.
Embodiment 1:
Take by weighing by weight 100 parts of polybutylene terephthalates, 5 parts of conductive carbon blacks, 0.8 part of lubricant, 0.3 part in oxidation inhibitor, 3 parts in static inhibitor.
The preparation method: above-mentioned raw materials was processed 10～15 minutes through high-speed mixing, and through the twin screw extruder melting, the side feeding adds 20 parts on carbon fiber, extruding pelletization; The twin screw extruder processing condition are: twin screw extruder one district's temperature is 190～210 ℃, two district's temperature are 220～240 ℃, three district's temperature are 230～245 ℃, four district's temperature are 225～240 ℃, 230～250 ℃ in five districts, compound time of delivery in screw rod is 1～5 minute, and pressure is 10～18MPa.
Embodiment 2:
Take by weighing by weight 100 parts of polybutylene terephthalates, 8 parts of conductive carbon blacks, 1 part of lubricant, 0.4 part in oxidation inhibitor, 4 parts in static inhibitor.
The preparation method: above-mentioned raw materials was processed 10～15 minutes through high-speed mixing, and through the twin screw extruder melting, the side feeding adds 22 parts on carbon fiber, extruding pelletization; The twin screw extruder processing condition are: twin screw extruder one district's temperature is 190～210 ℃, two district's temperature are 220～240 ℃, three district's temperature are 230～245 ℃, four district's temperature are 225～240 ℃, 230～250 ℃ in five districts, compound time of delivery in screw rod is 1～5 minute, and pressure is 10～18MPa.
Embodiment 3:
Take by weighing by weight 100 parts of polybutylene terephthalates, 10 parts of conductive carbon blacks, 1.5 parts of lubricants, 0.4 part in oxidation inhibitor, 4 parts in static inhibitor.
The preparation method: above-mentioned raw materials was processed 10～15 minutes through high-speed mixing, and through the twin screw extruder melting, the side feeding adds 22 parts on carbon fiber, extruding pelletization; The twin screw extruder processing condition are: twin screw extruder one district's temperature is 190～210 ℃, two district's temperature are 220～240 ℃, three district's temperature are 230～245 ℃, four district's temperature are 225～240 ℃, 230～250 ℃ in five districts, compound time of delivery in screw rod is 1～5 minute, and pressure is 10～18MPa.
Embodiment 4:
Take by weighing by weight 100 parts of polybutylene terephthalates, 11 parts of conductive carbon blacks, 1.8 parts of lubricants, 0.4 part in oxidation inhibitor, 4 parts in static inhibitor.
The preparation method: above-mentioned raw materials was processed 10～15 minutes through high-speed mixing, and through the twin screw extruder melting, the side feeding adds 24 parts on carbon fiber, extruding pelletization; The twin screw extruder processing condition are: twin screw extruder one district's temperature is 190～210 ℃, two district's temperature are 220～240 ℃, three district's temperature are 230～245 ℃, four district's temperature are 225～240 ℃, 230～250 ℃ in five districts, compound time of delivery in screw rod is 1～5 minute, and pressure is 10～18MPa.
Embodiment 5:
Take by weighing by weight 100 parts of polybutylene terephthalates, 12 parts of conductive carbon blacks, 2 parts of lubricants, 0.5 part in oxidation inhibitor, 5 parts in static inhibitor.
The preparation method: above-mentioned raw materials was processed 10～15 minutes through high-speed mixing, and through the twin screw extruder melting, the side feeding adds 25 parts on carbon fiber, extruding pelletization; The twin screw extruder processing condition are: twin screw extruder one district's temperature is 190～210 ℃, two district's temperature are 220～240 ℃, three district's temperature are 230～245 ℃, four district's temperature are 225～240 ℃, 230～250 ℃ in five districts, compound time of delivery in screw rod is 1～5 minute, and pressure is 10～18MPa.
Comparative Examples 1:
Take by weighing by weight 100 parts of polybutylene terephthalates, 2 parts of lubricants, 0.5 part in oxidation inhibitor.
The preparation method: above-mentioned raw materials was processed 10～15 minutes through high-speed mixing, and through the twin screw extruder melting, the side feeding adds 25 parts in glass fibre, extruding pelletization; The twin screw extruder processing condition are: twin screw extruder one district's temperature is 190～210 ℃, two district's temperature are 220～240 ℃, three district's temperature are 230～245 ℃, four district's temperature are 225～240 ℃, 230～250 ℃ in five districts, compound time of delivery in screw rod is 1～5 minute, and pressure is 10～18MPa.
Performance evaluation mode and implementation standard
One, the method, step, the conditioned disjunction standard that detect.
With the particle finished as stated above in 110～120 ℃ convection oven dry 4 hours in advance, and then the particulate material that drying is good carried out the injection molding sample preparation in injector, and the injection mold temperature control is at 100 ℃.
Tensile strength is tested by ISO 527 standards.Specimen types is the I type, batten size (mm): 150 (length) * (20 ± 0.2) (end width) * (4 ± 0.2) (thickness), and draw speed is 50mm/min;
Flexural strength and modulus in flexure are tested by ISO 178 standards.Specimen types is specimen size (mm): (80 ± 2) * (10 ± 0.2) * (4 ± 0.2), rate of bending are 20mm/min;
Notched Izod impact strength is tested by ISO 180 standards.Specimen types is the I type, specimen size (mm): (80 ± 2) * (10 ± 0.2) * (4 ± 0.2); The breach type is category-A, and breach is thick 1/3 deeply;
Heat-drawn wire is tested by ISO 75-2 standard.Specimen types is the I type, specimen size (mm): 127 (length) * (13 ± 0.1) * (6.35 ± 0.1); Temperature rise rate is 120 ℃/1h, and pressure is 1.82MPa, and the setting deformation quantity is 0.21mm.
ISO 1853 standard testings are pressed in the surface resistivity test, and specimen types is specimen size (mm): (80 ± 2) * (10 ± 0.2) * (4 ± 0.2)
More than testing the room temperature environment that is 23 ℃.
Embodiment 1～5 and Comparative Examples 1 prescription and material property see Table 1:
Table 1
Figure GDA0000122911010000061
Figure GDA0000122911010000071
Physical property table by embodiment 1-5 and Comparative Examples 1 can find out that carbon fiber is excellent performance aspect strongthener, and the properties of material is better than common glass fiber reinforced materials.The surface resistivity of this kind of material is 10 7～10 9Between the Ω, (surface resistivity is 10 to belong to the scope of antistatic material 6～10 11Ω is antistatic material).This kind of material is widely used photovoltaic junction box, laser printer member, electronic unit etc.
More than a kind of antistatic enhancing mutual-phenenyl two acid bromide two alcohol ester matrix material provided by the present invention and preparation method thereof is described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (7)

1. an antistatic enhancing mutual-phenenyl two acid bromide two alcohol ester matrix material is characterized in that, its composition is by weight:
Figure FDA0000228515161
Described conductive carbon black is one or several composite in conduction oven process carbon black, superconduction oven process carbon black, high electric conductivity oven process carbon black or the acetylene carbon black;
Described static inhibitor is one or several composite of an alkali metal salt of quaternary ammonium alkyl, phosphorus or the phosphonium salt of long-chain or alkylsulphonic acid, phosphoric acid or dithiocarbamic acid or ethoxylated fat family alkylamine.
2. antistatic enhancing mutual-phenenyl two acid bromide two alcohol ester matrix material as claimed in claim 1, it is characterized in that: described polybutylene terephthalate, its relative density are 1.30 ~ 1.34, and fusing point is 222 ~ 227 ℃, and its kinetic viscosity is 0.9 ~ 1.1Pa.s.
3. antistatic enhancing mutual-phenenyl two acid bromide two alcohol ester matrix material as claimed in claim 1 is characterized in that: the described carbon fiber long filament that to be polyacrylonitrile fibre, pitch fibers, viscose yarn or phenolic fibre make through carbonization or in the chopped strand one or several are composite.
4. antistatic enhancing mutual-phenenyl two acid bromide two alcohol ester matrix material as claimed in claim 1 is characterized in that: described lubricant is that in the modified product of OP wax, stearic acid, silicone or ethylene bis stearamide one or several are composite.
5. antistatic enhancing mutual-phenenyl two acid bromide two alcohol ester matrix material as claimed in claim 1, it is characterized in that: described oxidation inhibitor is four [3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2,4-di-t-butyl phenyl ester) composite mixture or triglycol be two-3-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) and a kind of in vinyl cyanide, three (2, the 4-di-tert-butylphenol) phosphorous acid ester.
6. an antistatic enhancing mutual-phenenyl two acid bromide two alcohol ester composite material and preparation method thereof as claimed in claim 1 is characterized in that, comprises step:
A: take by weighing by weight polybutylene terephthalate, conductive carbon black, lubricant, oxidation inhibitor, static inhibitor, and in high-speed mixer, mix;
B: the mixture that stirs is placed the dual-screw-stem machine melting, and the side feeding adds carbon fiber, extruding pelletization.
7. antistatic enhancing mutual-phenenyl two acid bromide two alcohol ester composite material and preparation method thereof as claimed in claim 6, it is characterized in that, processing condition among the step b are: twin screw extruder one district's temperature is 190 ~ 210 ℃, two district's temperature are 220 ~ 240 ℃, three district's temperature are 230 ~ 245 ℃, and four district's temperature are 225 ~ 240 ℃, 230 ~ 250 ℃ in five districts, compound time of delivery in screw rod is 1 ~ 5 minute, and pressure is 10 ~ 18MPa.
CN2011102818868A 2011-09-21 2011-09-21 Antistatic enhanced poly butylenes terephthalate composite material and preparation method thereof Expired - Fee Related CN102382427B (en)

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CN103214802B (en) * 2013-04-19 2016-02-17 北京中纺优丝特种纤维科技有限公司 A kind of Polyester-fiber conductive masterbatch pre-dispersion and preparation method thereof
CN103435904A (en) * 2013-09-18 2013-12-11 中国石油化工股份有限公司 Antistatic high-rigidity rotational-moulded polyethylene composition and preparation method thereof
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CN113583439B (en) * 2021-06-01 2022-10-18 金旸（厦门）新材料科技有限公司 Permanent antistatic semi-aromatic polyamide material capable of being used under high-pressure condition

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