CN105542402B - A kind of PBT permanent types anti-static material and its preparation method and application - Google Patents

A kind of PBT permanent types anti-static material and its preparation method and application Download PDF

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CN105542402B
CN105542402B CN201510957367.7A CN201510957367A CN105542402B CN 105542402 B CN105542402 B CN 105542402B CN 201510957367 A CN201510957367 A CN 201510957367A CN 105542402 B CN105542402 B CN 105542402B
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pbt
electrostatic
static
static materials
fire
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CN105542402A (en
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孔作万
王来富
汪志祥
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Dongguan Fuwang Plastic Products Co ltd
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Dongguan Xuwang Plastic Technology Co Ltd
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • 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
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    • 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
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • 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
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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    • C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
    • C08J2479/02—Polyamines
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
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Abstract

The present invention provides a kind of PBT permanent types anti-static material and its preparation method and application, and PBT anti-static materials of the invention are prepared by 5 25% fire-retardant, electrostatic-conducting dissipative type master batch and 75 95% PBT.In the present invention by the way that fire-retardant, electrostatic-conducting dissipative type master batch and PBT blendings, extrusion are obtained into the PBT anti-static materials, the PBT anti-static materials reach high oxygen index (OI) flame-retardant V 0-stage, and specific insulation is 106‑8Ω, surface resistivity is 106‑9Ω, static decay time ＞ 10s, so as to solve each field product because electrostatic causes breakdown and serious harm, to temperature humidity without dependence, it is widely used in intelligent microelectronic, electrical equipment, electrostatic sheet-material package, electric wire, photoelectricity photovoltaic solar, machinery, medical equipment, electrostatic textile and takes the fields such as footwear, fire-fighting, military project electrostatic equipment, the explosion-proof industry of electrostatic, gas electrostatic protection safety, fireworks and firecrackers protection electrostatic safety, petrochemical industry energy protection electrostatic, Static Electricity at Gas Stations protection.

Description

A kind of PBT permanent types anti-static material and its preparation method and application
Technical field
The invention belongs to fire-retardant, electrostatic-conducting field of material preparation, be related to a kind of PBT anti-static materials and preparation method thereof and Using, more particularly to a kind of PBT permanent types anti-static material and its preparation method and application.
Background technology
Polybutylene terephthalate (PBT) (PBT) is a kind of thermoplastic engineering plastic, be widely used in electronic apparatus, The fields such as household electrical appliances, auto industry, but due to its low-temperature impact toughness is poor and notch sensitivity is big at room temperature, non-antiflaming effect and Antistatic resistance rate is up to 10-15-20The shortcomings of Ω high insulating materials, there is greatly limitation for applying electronic product, and it is serious difficult To control the harm of electrostatic：Heavy losses may be caused to the product of human body discharge or each industry during use and are ignited The disaster such as quick-fried, but Chinese every profession and trade electrostatic art preceding in nearly 20-30 is all produced from traditional (carbon system) static conductive at present Product application, such as acetylene carbon black of (carbon system), graphene, carbon fiber intermingling material in use and product transported in turnover Cheng Zhong, rubbed collision scratch the carbon system dust micron order for making surface：Moment takes off in powered entrance microelectronic component, caused Product in electron system because electrostatic breakdown it is easily breaking the defects of, as electronic technology constantly brings forth new ideas, electrostatic new material day crescent Different, carbon system (black) material is substituted by true qualities electrostatic material, a kind of PBT electrostatic materials of this project development and preparation method thereof and Using (true qualities) adjustable color, performances such as (physics, the mechanics) of material, outward appearance clean aesthetic and volume resistance and table are not influenceed Simple and traditional (carbon series) electrostatic material of surface resistance permanent stabilization, moderate cost, technique carries out quality and contrasted and nothing with cleaning Method is compared, and has been relied on import white electrostatic material and high price and monopoly product since having broken the several years, is related to this area from chief creating New PBT Combined Electrostatic materials are the important key points of urgent need to resolve.
The content of the invention
For the deficiency of currently available technology, it is an object of the invention to provide a kind of PBT permanent types anti-static material and Its preparation method and application.
To use following technical scheme up to this purpose, the present invention：
On the one hand, the present invention provides a kind of PBT anti-static materials, the fire-retardant, electrostatic-conducting dissipative type master batch of the 5-25% and PBT anti-static materials are prepared by 75-95% PBT.
In the raw material of the PBT anti-static materials of the present invention, PBT dosage is 75-95%, for example, 76%, 77%, 78%th, 79%, 80%, 82%, 84%, 86%, 88%, 90%, 92%, 93% or 94%.
In the raw material of the PBT anti-static materials of the present invention, the dosage of fire-retardant, electrostatic-conducting dissipative type master batch is 5-25%, example Such as 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23% or 24%.
Preferably, the PBT anti-static materials are prepared by 20% fire-retardant, electrostatic-conducting dissipative type master batch and 80% PBT Obtain.
In the present invention, the fire-retardant, electrostatic-conducting dissipative type master batch is prepared by the following raw material of mass percent：
In the preparing raw material of the fire-retardant, electrostatic-conducting dissipative type master batch of the present invention, the dosage of polyaniline is 5-15%, such as 5.5%th, 6%, 6.5%, 7%, 7.5%, 8%, 8.5%, 9%, 9.5%, 10%, 10.5%, 11%, 11.5%, 12%, 12.5%th, 13%, 13.5%, 14% or 14.5%.
In the preparing raw material of the fire-retardant, electrostatic-conducting dissipative type master batch of the present invention, the dosage of polythiophene is 5-15%, such as 5.5%th, 6%, 6.5%, 7%, 7.5%, 8%, 8.5%, 9%, 9.5%, 10%, 10.5%, 11%, 11.5%, 12%, 12.5%th, 13%, 13.5%, 14% or 14.5%.
In the preparing raw material of the fire-retardant, electrostatic-conducting dissipative type master batch of the present invention, the dosage of organosilicon is 2-8%, such as 2.3%th, 2.5%, 2.8%, 3%, 3.2%, 3.5%, 3.8%, 4%, 4.3%, 4.5%, 4.8%, 5%, 5.3%, 5.5%th, 5.8%, 6%, 6.5%, 6.8%, 7%, 7.3%, 7.5% or 7.8%.
In the preparing raw material of the fire-retardant, electrostatic-conducting dissipative type master batch of the present invention, the dosage of antimony oxide is 4-10%, Such as 4.2%, 4.5%, 4.8%, 5%, 5.3%, 5.5%, 5.8%, 6%, 6.3%, 6.5%, 6.8%, 7%, 7.5%, 7.8%th, 8%, 8.5%, 8.8%, 9%, 9.5% or 9.8%.
In the preparing raw material of the fire-retardant, electrostatic-conducting dissipative type master batch of the present invention, the dosage of conductor material is 22-63%, example Such as 23%, 25%, 28%, 30%, 32%, 35%, 38%, 40%, 42%, 44%, 46%, 48%, 50%, 53%, 55%, 58%th, 60%, 61% or 62%.
In the preparing raw material of the fire-retardant, electrostatic-conducting dissipative type master batch of the present invention, the dosage of carrier material is 25-40%, example Such as 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38% or 39%.
Preferably, fire-retardant, electrostatic-conducting dissipative type master batch of the present invention is prepared by the following raw material of mass percent：
In the present invention, the organosilicon is any in silicone grease, silicon emulsion, silicon rubber, sulphurated siliastic or silicones It is a kind of or at least two combination.
Preferably, the conductor material is any one in sodium chloride, sodium phosphate or sodium metasilicate or at least two group Close.
Preferably, the carrier material is any one in polyethylene, PBT or polypropylene or at least two combination.
In the present invention, the preparation method of described fire-retardant, electrostatic-conducting dissipative type master batch comprises the following steps：
(1) polyaniline, polythiophene, conductor material and polyethylene are added in batch mixer and carries out blending doping, mixed Material；
(2) antimony oxide and organosilicon are added into mixed material obtained by step (1), mixing, then utilizes extruder Middle extruding pelletization, obtain the fire-retardant, electrostatic-conducting dissipative type master batch.
In the preparation method of fire-retardant, electrostatic-conducting dissipative type master batch of the present invention, stirring when step (1) blending is adulterated Speed is 20-90r/min, for example, 23r/min, 25r/min, 28r/min, 30r/min, 35r/min, 38r/min, 40r/min, 43r/min、45r/min、48r/min、50r/min、55r/min、58r/min、60r/min、65r/min、68r/min、70r/ Min, 73r/min, 75r/min, 78r/min, 80r/min, 83r/min, 85r/min or 88r/min.
Preferably, the incorporation time of step (1) the blending doping is 10-30min, for example, 11min, 12min, 13min, 14min、15min、16min、17min、18min、19min、20min、21min、22min、23min、24min、25min、 26min, 27min, 28min or 29min.
In preparation method of the present invention, step (2) described extruder is double screw extruder.
Preferably, the preheating temperature in step (2) the extruder screw region be 180-250 DEG C, such as 180 DEG C, 185 DEG C, 190 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, 210 DEG C, 215 DEG C, 220 DEG C, 225 DEG C, 230 DEG C, 235 DEG C, 240 DEG C, 245 DEG C or 248 DEG C, preferably 200-220 DEG C.
Preferably, the screw speed of step (2) described extruder is 190r/min-320r/min, such as 193r/min, 195r/min、198r/min、200r/min、210r/min、220r/min、230r/min、240r/min、250r/min、260r/ Min, 270r/min, 280r/min, 290r/min, 300r/min, 310r/min or 315r/min, preferably 220-300r/min.
Preferably, the preparation method of fire-retardant, electrostatic-conducting dissipative type master batch of the present invention comprises the following steps：
(1) polyaniline, polythiophene, conductor material and polyethylene are added in batch mixer and carries out blending doping, stir speed (S.S.) For 20-90r/min, blending doping 10-30min, mixed material is obtained；
(2) antimony oxide and organosilicon are added into mixed material obtained by step (1), mixing, adds to twin-screw and squeezes Go out extruding pelletization in machine, the preheating temperature in the extruder screw region is 180-250 DEG C, screw speed 190r/min- 320r/min, obtain the fire-retardant, electrostatic-conducting dissipative type master batch.
On the other hand, the invention provides the preparation method of PBT anti-static materials as described in relation to the first aspect, methods described For：PBT and fire-retardant, electrostatic-conducting dissipative type master batch blending doping, extrusion are obtained into the PBT anti-static materials.
In the preparation method of PBT anti-static materials of the present invention, the stir speed (S.S.) when blending is adulterated is 100- 200r/min, for example, 110r/min, 120r/min, 130r/min, 140r/min, 150r/min, 170r/min, 180r/min or 190r/min。
Preferably, the incorporation time of the blending doping is 15-30min, for example, 16min, 17min, 18min, 19min, 20min、21min、22min、23min、24min、25min、26min、27min、28min、29min。
Preferably, the extrusion is completed using double screw extruder.
Preferably, the preheating temperature in the screw rod region of the double screw extruder be 260-350 DEG C, such as 270 DEG C, 280 DEG C, 290 DEG C, 300 DEG C, 310 DEG C, 320 DEG C, 330 DEG C or 340 DEG C.
Preferably, the screw speed of the double screw extruder is 200-300r/min, such as 210r/min, 220r/ Min, 230r/min, 240r/min, 250r/min, 260r/min, 270r/min, 280r/min or 290r/min.
As the preferred technical solution of the present invention, the preparation method of PBT anti-static materials of the present invention is：By PBT and Fire-retardant, electrostatic-conducting dissipative type master batch is blended, and stir speed (S.S.) during blending is 100-200r/min, and the incorporation time of blending is 15- 30min, then extruded using double screw extruder, the preheating temperature in the screw rod region of the double screw extruder is 260-350 DEG C, the screw speed of double screw extruder is 200-300r/min, obtains the PBT anti-static materials.
The technical scheme further preferred as the present invention, the preparation method of PBT anti-static materials of the present invention include Following steps：
A, polyaniline, polythiophene, conductor material and polyethylene are added in batch mixer and carries out blending doping, stir speed (S.S.) is 20-90r/min, blending doping 10-30min, obtains mixed material；Antimony oxide and organosilicon are added into mixed material, Mixing, extruding pelletization is added into double screw extruder, the preheating temperature in the extruder screw region is 180-250 DEG C, spiral shell Bar rotating speed is 190r/min-320r/min, obtains fire-retardant, electrostatic-conducting dissipative type master batch；
B, PBT and fire-retardant, electrostatic-conducting dissipative type master batch are blended, stir speed (S.S.) during blending be 100-200r/min, is blended Incorporation time be 15-30min, then extruded using double screw extruder, the screw rod region of the double screw extruder it is pre- Hot temperature is 260-350 DEG C, and the screw speed of double screw extruder is 200-300r/min, obtains the PBT anti-static materials.
On the other hand, the invention provides PBT anti-static materials as described in relation to the first aspect electronic apparatus, capacitor or Application in antistatic film material.
Relative to prior art, the invention has the advantages that：
The PBT anti-static materials of the present invention are prepared by 5-25% fire-retardant, electrostatic-conducting dissipative type master batch and 75-95% PBT Obtain.In the present invention by the way that fire-retardant, electrostatic-conducting dissipative type master batch and PBT blendings, extrusion are obtained into the antistatic materials of the PBT Material, the PBT anti-static materials reach high oxygen index (OI) flame-retardant V 0-stage, and specific insulation is 106-8Ω, surface resistivity is 106-9Ω, Static decay time ＞ 10s, so as to solve each field product because electrostatic causes breakdown and serious harm, to temperature humidity without Rely on, be widely used in intelligent microelectronic, electrical equipment, electrostatic sheet-material package, electric wire, photoelectricity photovoltaic solar, machinery, medical treatment Equipment, electrostatic textile take footwear, fire-fighting, military project electrostatic equipment, the explosion-proof industry of electrostatic, gas electrostatic protection safety, fireworks and firecrackers Protect the fields such as electrostatic safety, petrochemical industry energy protection electrostatic, Static Electricity at Gas Stations protection.
Embodiment
Technical scheme is further illustrated below by embodiment.Those skilled in the art should be bright , the embodiment be only to aid in understand the present invention, be not construed as to the present invention concrete restriction.
Embodiment 1
In the present embodiment, PBT anti-static materials are prepared by following raw material：
PBT 80%
Fire-retardant, electrostatic-conducting dissipative type master batch 20%
Wherein, fire-retardant, electrostatic-conducting dissipative type master batch is prepared by following raw material：
The preparation method of PBT anti-static materials is as follows：
A, polyaniline, polythiophene, organosilicon, conductor material and polyethylene are added in batch mixer, stir speed (S.S.) 20r/ Min, blending doping 30min, obtains mixed material；Mixed material is added into double screw extruder extruding pelletization, it is described to squeeze The preheating temperature for going out machine screw rod region is 180 DEG C, screw speed 320r/min, obtains fire-retardant, electrostatic-conducting dissipative type master batch；
B, PBT and fire-retardant, electrostatic-conducting dissipative type master batch are blended, stir speed (S.S.) during blending be 150r/min, and blending mixes The conjunction time is 20min, is then extruded using double screw extruder, and the preheating temperature in the screw rod region of the double screw extruder is 300 DEG C, the screw speed of double screw extruder is 200r/min, obtains PBT anti-static materials.
Embodiment 2
In the present embodiment, PBT anti-static materials are prepared by following raw material：
PBT 75%
Fire-retardant, electrostatic-conducting dissipative type master batch 25%
Wherein, fire-retardant, electrostatic-conducting dissipative type master batch is prepared by following raw material：
The preparation method of PBT anti-static materials is as follows：
A, polyaniline, polythiophene, organosilicon, conductor material and polyethylene are added in batch mixer, stir speed (S.S.) 90r/ Min, blending doping 10min, obtains mixed material；Mixed material is added into double screw extruder extruding pelletization, it is described to squeeze The preheating temperature for going out machine screw rod region is 250 DEG C, screw speed 190r/min, obtains fire-retardant, electrostatic-conducting dissipative type master batch；
B, PBT and fire-retardant, electrostatic-conducting dissipative type master batch are blended, stir speed (S.S.) during blending be 200r/min, and blending mixes The conjunction time is 15min, is then extruded using double screw extruder, and the preheating temperature in the screw rod region of the double screw extruder is 260 DEG C, the screw speed of double screw extruder is 300r/min, obtains PBT anti-static materials.
Embodiment 3
In the present embodiment, PBT anti-static materials are prepared by following raw material：
PBT 95%
Fire-retardant, electrostatic-conducting dissipative type master batch 5%；
Wherein, fire-retardant, electrostatic-conducting dissipative type master batch is prepared by following raw material：
The preparation method of PBT anti-static materials is as follows：
A, polyaniline, polythiophene, organosilicon, conductor material and polyethylene are added in batch mixer, stir speed (S.S.) 50r/ Min, blending doping 15min, obtains mixed material；Mixed material is added into double screw extruder extruding pelletization, it is described to squeeze The preheating temperature for going out machine screw rod region is 200 DEG C, screw speed 220r/min, obtains fire-retardant, electrostatic-conducting dissipative type master batch；
B, PBT and fire-retardant, electrostatic-conducting dissipative type master batch are blended, stir speed (S.S.) during blending be 100r/min, and blending mixes The conjunction time is 30min, is then extruded using double screw extruder, and the preheating temperature in the screw rod region of the double screw extruder is 350 DEG C, the screw speed of double screw extruder is 200r/min, obtains PBT anti-static materials.
Embodiment 4
In the present embodiment, PBT anti-static materials are prepared by following raw material：
PBT 85%
Fire-retardant, electrostatic-conducting dissipative type master batch 15%
Wherein, fire-retardant, electrostatic-conducting dissipative type master batch is prepared by following raw material：
The preparation method of PBT anti-static materials is as follows：
A, polyaniline, polythiophene, organosilicon, conductor material and polyethylene are added in batch mixer, stir speed (S.S.) 70r/ Min, blending doping 20min, obtains mixed material；Mixed material is added into double screw extruder extruding pelletization, it is described to squeeze The preheating temperature for going out machine screw rod region is 230 DEG C, screw speed 250r/min, obtains fire-retardant, electrostatic-conducting dissipative type master batch.
B, PBT and fire-retardant, electrostatic-conducting dissipative type master batch are blended, stir speed (S.S.) during blending be 200r/min, and blending mixes The conjunction time is 20min, is then extruded using double screw extruder, and the preheating temperature in the screw rod region of the double screw extruder is 300 DEG C, the screw speed of double screw extruder is 300r/min, obtains PBT anti-static materials.
Comparative example 1
The difference of this comparative example and embodiment 1 is that PBT anti-static materials are prepared by following raw material：
PBT 97%
Fire-retardant, electrostatic-conducting dissipative type master batch 3%
In addition, the raw material components of fire-retardant, electrostatic-conducting dissipative type master batch and its content and the system of PBT anti-static materials Preparation Method is same as Example 1.
Comparative example 2
The difference of this comparative example and embodiment 1 is that PBT anti-static materials are prepared by following raw material：
PBT 70%
Fire-retardant, electrostatic-conducting dissipative type master batch 30%
In addition, the raw material components of fire-retardant, electrostatic-conducting dissipative type master batch and its content and the system of PBT anti-static materials Preparation Method is same as Example 1.
Performance test
PBT anti-static materials prepared by embodiment 1-4 and comparative example 1-3 are carried out anti-flammability and specific insulation and Electrostatic is permanently tested, and is permanently contrasted with PBT anti-flammability and specific insulation and electrostatic.Electrostatic prevention plastic Expect specific insulation method of testing GB/T1566, Flame Retardancy test is carried out according to UL94 method of testings, and electrostatic is permanent Test is according to GB/T14447-93《Plastic sheeting antistatic performance test method-half-life period method》Carry out, test result is shown in Table 1.
Table 1
As can be seen from Table 1, the specific insulation as little as 10 of PBT anti-static materials of the invention6Ω, fire resistance reach To V0 levels, and its static decay time ＞ 200s, there is good permanent antistatic performance.
Applicant state, the present invention by above-described embodiment come illustrate the present invention PBT permanent types anti-static material and its Preparation method and application, but the invention is not limited in above-described embodiment, that is, do not mean that the present invention has to rely on above-mentioned implementation Example could be implemented.Person of ordinary skill in the field is it will be clearly understood that any improvement in the present invention, to each original of product of the present invention The equivalence replacement of material and the addition of auxiliary element, the selection of concrete mode etc., all fall within protection scope of the present invention and open model Within enclosing.

Claims (22)

1. a kind of PBT anti-static materials, it is characterised in that the PBT anti-static materials are dissipated by 5-25% fire-retardant, electrostatic-conducting Type master batch and 75-95% PBT are prepared；
The fire-retardant, electrostatic-conducting dissipative type master batch is prepared by the following raw material of mass percent：
2. PBT anti-static materials according to claim 1, it is characterised in that the PBT anti-static materials by 20% resistance Combustion static conductive dissipative type master batch and 80% PBT are prepared.
3. PBT anti-static materials according to claim 1, it is characterised in that the fire-retardant, electrostatic-conducting dissipative type master batch by The following raw material of mass percent is prepared：
4. PBT anti-static materials according to claim 1, it is characterised in that the organosilicon is silicone grease, silicon emulsion, silicon In rubber, sulphurated siliastic or silicones any one or at least two combination.
5. PBT anti-static materials according to claim 1, it is characterised in that the conductor material is sodium chloride, sodium phosphate With any one in sodium metasilicate or at least two combination.
6. PBT anti-static materials according to claim 1, it is characterised in that the carrier material be polyethylene, PBT or In polypropylene any one or at least two combination.
7. the PBT anti-static materials according to any one of claim 1-6, it is characterised in that the fire-retardant, electrostatic-conducting consumption The preparation method for dissipating type master batch comprises the following steps：
(1) polyaniline, polythiophene, conductor material and polyethylene are added in batch mixer and carries out blending doping, obtain mixed material；
(2) antimony oxide and organosilicon are added into mixed material obtained by step (1), mixing, is then squeezed using in extruder Go out to be granulated, obtain the fire-retardant, electrostatic-conducting dissipative type master batch.
8. PBT anti-static materials according to claim 7, it is characterised in that stirring when step (1) blending is adulterated Speed is 20-90r/min.
9. PBT anti-static materials according to claim 7, it is characterised in that during the mixing of step (1) the blending doping Between be 10-30min.
10. PBT anti-static materials according to claim 7, it is characterised in that step (2) described extruder is twin-screw Extruder.
11. PBT anti-static materials according to claim 7, it is characterised in that step (2) the extruder screw region Preheating temperature be 180-250 DEG C.
12. PBT anti-static materials according to claim 11, it is characterised in that step (2) the extruder screw region Preheating temperature be 200-220 DEG C.
13. PBT anti-static materials according to claim 7, it is characterised in that the screw rod of step (2) described extruder turns Speed is 190r/min-320r/min.
14. PBT anti-static materials according to claim 13, it is characterised in that the screw rod of step (2) described extruder turns Speed is 220-300r/min.
15. the preparation method of the PBT anti-static materials according to any one of claim 1-14, it is characterised in that described Method is：PBT and the blending of fire-retardant, electrostatic-conducting dissipative type master batch, extrusion are obtained into the PBT anti-static materials.
16. preparation method according to claim 15, it is characterised in that the stir speed (S.S.) during blending is 100- 200r/min。
17. preparation method according to claim 16, it is characterised in that the incorporation time of the blending is 15-30min.
18. preparation method according to claim 15, it is characterised in that the extrusion is completed using double screw extruder.
19. preparation method according to claim 18, it is characterised in that the screw rod region of the double screw extruder it is pre- Hot temperature is 260-350 DEG C.
20. preparation method according to claim 18, it is characterised in that the screw speed of the double screw extruder is 200-300r/min。
21. according to the preparation method any one of claim 15-20, it is characterised in that methods described is：By PBT, resistance Fire the blending of static conductive dissipative type master batch, stir speed (S.S.) during blending is 100-200r/min, and the incorporation time of blending is 15- 30min, then extruded using double screw extruder, the preheating temperature in the screw rod region of the double screw extruder is 260-350 DEG C, the screw speed of double screw extruder is 200-300r/min, obtains the PBT anti-static materials.
22. the PBT anti-static materials according to any one of claim 1-14 are in electronic apparatus, capacitor or antistatic film Application in material.
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