CN106147185B - Conductive polycarbonate basal granule material, its preparation method and the application of the carbon nanomaterial containing multidimensional - Google Patents
Conductive polycarbonate basal granule material, its preparation method and the application of the carbon nanomaterial containing multidimensional Download PDFInfo
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- CN106147185B CN106147185B CN201510181084.8A CN201510181084A CN106147185B CN 106147185 B CN106147185 B CN 106147185B CN 201510181084 A CN201510181084 A CN 201510181084A CN 106147185 B CN106147185 B CN 106147185B
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Abstract
The invention discloses conductive polycarbonate basal granule material, its preparation method and the applications of a kind of carbon nanomaterial containing multidimensional.The pellet includes the components such as nanometer multidimensional carbon material, toughener, dispersion aids, auxiliary agent and makrolon；The wherein described nanometer multidimensional carbon material is mainly by conductive nano carbon black, carbon nanotube and graphene physical blending composition.Conductive agent additive amount is few in the conductive polycarbonate basal granule material of the present invention, it is easy to be injection molding processing, and the product that injection molding is formed has excellent antistatic property or capability of electromagnetic shielding, the plastics enrichment phenomenon on surface and the surface precipitation phenomenon of conductive agent are substantially inhibited even to be eliminated compared with existing product.
Description
Technical field
The present invention relates to a kind of injection mould master batch, more particularly to the conductive poly- carbon of injection molding of a kind of carbon nanomaterial containing various dimensions
Perester radical pellet and its preparation method and application, for example, answering in the fields such as auto industry, electronic product and oil and gas industry after injection molding
With belonging to general engineering plastic field.
Background technology
Makrolon is a kind of common engineering plastics, there is very wide application range and very fast growth momentum.
It is applied to glazing, auto industry and electronics, electrical equipment industry etc..When by makrolon be applied to anti-static material
When, sheet resistance need to reach 106~109Ω so could realize preferable anti-static function.Currently, resisting in the industrial production
Static polycarbonates have prodigious application market, but there are many deficiencies for existing anti-static polycarbonate product, such as：
Additive amount such as conductive agent is big, and the relatively low poor fluidity of melting means causes the product pattern after being inconvenient to be molded or being molded poor, with
And since surface plastic materials enrichment causes sheet resistance big after injection molding, conductive dosage is easy to precipitation etc. more.
Invention content
The main purpose of the present invention is to provide a kind of conductive polycarbonate basal granule material of carbon nanomaterial containing multidimensional, with gram
Take deficiency in the prior art.
Another object of the present invention is to provide a kind of conductive polycarbonate bases preparing the carbon nanomaterial containing multidimensional
The method of pellet.
Another object of the present invention is to provide answering for the conductive polycarbonate basal granule material of the carbon nanomaterial containing multidimensional
With.
For realization aforementioned invention purpose, the technical solution adopted by the present invention includes：
A kind of conductive polycarbonate basal granule material of the carbon nanomaterial containing multidimensional, it includes calculated by weight such as the following group
Point：0.5-3 parts of multidimensional carbon material of nanometer, 10-15 parts of toughener, 0.5-3 parts of dispersion aids, 0-3 parts of auxiliary agent and makrolon
75-85 parts；The wherein described nanometer multidimensional carbon material is mainly by conductive nano carbon black, carbon nanotube and graphene composition.
Among a preferred embodiment, the nanometer multidimensional carbon material includes：Conductive nano carbon black 10wt%-
45wt%, carbon nanotube 10wt%-45wt%, graphene 10wt%-45wt%.
Preferably, the nanometer multidimensional carbon material also can be considered as multidimensional conductive nano agent, be led by the nanometer of zero dimension
Electric carbon black, one-dimensional carbon nanotube, two-dimensional graphene physical blending composition.
Further, the toughener can be PET (polyethylene terephthalate) PBT (poly terephthalic acid fourths
Diol ester) etc. polyester；MBS (methyl methacrylate, butadiene, styrene copolymer) or ABS (acrylonitrile-butadienes-
Styrol copolymer) or the block copolymers such as ethylene propylene diene rubber is one or more and without being limited thereto.
Further, the dispersion aids is at least selected from the other inorganic filler of micro/nano level, and the inorganic filler includes receiving
Rice silica, nano-calcium carbonate, talcum powder, nano-hollow glass microballoon or titanium dioxide, and it is without being limited thereto.
Further, the auxiliary agent includes any one of antioxidant, lubricant and fire retardant or two or more combinations,
Can also be other auxiliary agents.
Further, the makrolon includes commercialized makrolon or modified polycarbonate.
Among an embodiment, the preparation method packet of the conductive polycarbonate basal granule material of the carbon nanomaterial containing multidimensional
It includes：Take 0.5-4 parts by weight nanometer multidimensional carbon material, 10-15 parts by weight toughener, 0.5-3 parts by weight dispersion aids, 0-3 weight
Part auxiliary agent and 75-85 weight part polycarbonates are sufficiently mixed, and double screw extruder is then added in 260-270 DEG C of (specific root
Depending on the material trade mark) it squeezes out, then cooling, pelletizing.
Among one more specifically embodiment, a kind of conductive polycarbonate basal granule material of the carbon nanomaterial containing multidimensional
Preparation method may include：First, it will be placed in vacuum environment under the conditions of 120 DEG C as the makrolon of matrix 4 hours dry
More than, then by the conductive nano carbon black of zero dimension degree, the carbon nanotube of dimension and two-dimensional graphene according to required ratio
It is spare that example carries out physical blending.According to 0.5-3 parts of multidimensional nano-carbon material, 10-15 parts of toughener, 0.5-3 parts of dispersion aids,
Then his 0-3 parts of auxiliary agent, the formula dispensing of 75-85 parts of polycarbonate matrix are squeezed out, pelletizing with double screw extruder.It obtains
Pellet before injection molding according still further to the drying 4 hours of 120 DEG C of vacuum, later can injection molding obtain anti-static composite material.
A kind of anti-static composite material, mainly by the conductive polycarbonate basal granule material of the carbon nanomaterial containing multidimensional
260-270 DEG C of (depending on material variety) transfer molding at.
Further, the sheet resistance of the anti-static composite material is 105Ω~102Ω。
Compared with prior art, advantages of the present invention includes：
(1) by using the conductive nano carbon black of zero dimension, one-dimensional carbon nanotube and two-dimensional graphene are with simple physical
Composition nanometer multidimensional carbon material is blended, and is made an addition in masterbatch as conductive additive, because nano-carbon material is with a variety of
Different dimensions can be built to form significantly more efficient conductive network in the base at very low concentrations, low dense realizing
The high melting means that makrolon is maintained while spending highly conductive effect, is conducive to Shooting Technique；
(2) because the nano-carbon material of use has a variety of different dimensions, uniform and stable multidimensional carbon material network can be formed
Structure can be such that the plastics enrichment phenomenon of injection product surface is largely suppressed, while can realize low sheet resistance, that is,
Have excellent antistatic property or capability of electromagnetic shielding, and effectively eliminates the surface precipitation phenomenon of conductive agent.
(3) toughener added in the feed not only has toughening effect, simultaneously because the effect of volume exclusion is played, to
Also increase the electric conductivity of material.
Specific embodiment
With reference to embodiment, the present invention is described further.The skilled practitioner is according in foregoing invention
Hold the non-intrinsically safe modifications and adaptations made in technique or on formula to the present invention, still falls within protection scope of the present invention.
The conductive polycarbonate basal granule material for containing multidimensional carbon nanomaterial of embodiment 1 includes following component (with weight point
Meter)：
3 parts of multidimensional nano-carbon material
10 parts of PBT (Changchun chemical industry 100-211M)
2 parts of MBS (EXL-2620, ROHM AND HAAS)
0.5 part of nano silicon dioxide (average grain diameter 637nm)
84.5 parts of makrolon (South Korea LG 1201-15)；
Wherein, multidimensional nano-carbon material includes：
0.9 part of conductive nano carbon black (T80),
1.2 parts of carbon nanotube (average length 861nm),
0.9 part of graphene (prepared by Chinese Academy of Sciences's Ningbo material, average thickness 3nm, 5 μm of average diameter).
The preparation process of the conductive polycarbonate basal granule material includes：It is small that makrolon is dried in vacuo to 4 at 120 DEG C first
When, then raw material carries out physical mixed by the above proportioning, then with twin-screw extrusion and is granulated, 265 DEG C of processing temperature, rotating speed
250r/min.Injection molding obtains anti-static composite material after drying.
The conductive polycarbonate basal granule material for containing multidimensional carbon nanomaterial of embodiment 2 includes following component (with weight point
Meter)：
3 parts of various dimensions carbon nanomaterial (wherein 0.9 part of conductive nano carbon black, 0.9 part of carbon nanotube, 1.2 parts of graphene)
10 parts of PBT (Changchun chemical industry 100-211M)
2 parts of MBS (EXL-2620, ROHM AND HAAS)
3 parts of talcum powder (49 μm of average grain diameter)
82 parts of makrolon (South Korea LG 1201-15)；
Wherein, multidimensional nano-carbon material includes：
0.9 part of conductive nano carbon black (T80),
0.9 part of carbon nanotube (average length 861nm),
1.2 parts of graphene (prepared by Chinese Academy of Sciences's Ningbo material, average thickness 3nm, 5 μm of average diameter).
The preparation process of the conductive polycarbonate basal granule material includes：It is small that makrolon is dried in vacuo to 4 at 120 DEG C first
When, then raw material carries out physical mixed by the above proportioning, then with twin-screw extrusion and is granulated, 265 DEG C of processing temperature, rotating speed
250r/min.Injection molding obtains anti-static composite material after drying.
Reference examples 1：The component and preparation process of injection molding conductive polycarbonate basal granule material are substantially the same manner as Example 2,
It the difference is that only, be not added with aforementioned various dimensions carbon nanomaterial.
Reference examples 2：The component and preparation process of injection molding conductive polycarbonate basal granule material are substantially the same manner as Example 1,
It the difference is that only, using the carbon nanotube (average length 861nm) of 5 parts by weight instead of aforementioned various dimensions carbon nanometer material
Material.
Reference examples 3：The component and preparation process of injection molding conductive polycarbonate basal granule material are substantially the same manner as Example 1,
It the difference is that only, using the conductive nano carbon black (T80) of 1 parts by weight instead of aforementioned various dimensions carbon nanomaterial.
Reference examples 4：The component and preparation process of injection molding conductive polycarbonate basal granule material are substantially the same manner as Example 1,
The difference is that only, using 3 parts by weight graphene (prepared by Chinese Academy of Sciences's Ningbo material, average thickness 3nm, average diameter 5
μm) instead of aforementioned various dimensions carbon nanomaterial.
Mechanical property, sheet resistance and the melting means of product be such as after previous embodiment 1-2 obtained anti-static composite material injection moldings
Shown in the following table 1.
Mechanical property, sheet resistance and the melting means test result of 1 the obtained anti-static composite materials of embodiment 1-2 of table
| Sample | Sheet resistance Ω | Notch impact strength KJ/m2 | Melting means g/10min |
| Embodiment 1 | 8.2*103 | 9.1 | 18.6 |
| Embodiment 2 | 1.1*104 | 7.6 | 16.7 |
Mechanical property, sheet resistance and the melting means test result of 2 the obtained anti-static composite materials of reference examples 1-4 of table
| Sample | Sheet resistance Ω | Notch impact strength KJ/m2 | Melting means g/10min |
| Reference examples 1 | ＞ 1014 | 12.1 | 18.3 |
| Reference examples 2 | 5.2*104 | 8.9 | 17.5 |
| Reference examples 3 | 7.7*104 | 10.0 | 19.1 |
| Reference examples 4 | 3.7*104 | 9.2 | 19.2 |
It should be appreciated that the technical concepts and features of above-described embodiment only to illustrate the invention, its object is to allow be familiar with this
The personage of item technology cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all
According to equivalent change or modification made by spirit of the invention, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of conductive polycarbonate basal granule material of carbon nanomaterial containing multidimensional, it is characterised in that comprising calculate by weight as
Lower component：0.5-3 parts of multidimensional carbon material of nanometer, 10-15 parts of toughener, 0.5-3 parts of dispersion aids, 0-3 parts of auxiliary agent and poly- carbon
75-85 parts of acid esters；The nanometer multidimensional carbon material includes：Conductive nano carbon black 10wt%-45wt%, carbon nanotube 10wt%-
45wt%, graphene 10wt%-45wt%.
2. the conductive polycarbonate basal granule material of the carbon nanomaterial according to claim 1 containing multidimensional, which is characterized in that described
Toughener includes polyester and/or block copolymer；The polyester includes polyethylene terephthalate or poly terephthalic acid
Butanediol ester, the block copolymer include methyl methacrylate-butadiene-styrene terpolymer, acrylic nitrile-butadiene two
Alkene-styrol copolymer or ethylene propylene diene rubber.
3. the conductive polycarbonate basal granule material of the carbon nanomaterial according to claim 1 containing multidimensional, which is characterized in that described
Dispersion aids is selected from the other inorganic filler of micro/nano level, and the inorganic filler includes nano silicon dioxide, nano-calcium carbonate, talcum
Powder, nano-hollow glass microballoon or titanium dioxide.
4. the conductive polycarbonate basal granule material of the carbon nanomaterial according to claim 1 containing multidimensional, which is characterized in that described
Auxiliary agent includes any one of antioxidant, lubricant and fire retardant or two or more combinations.
5. the conductive polycarbonate basal granule material of the carbon nanomaterial according to claim 1 containing multidimensional, which is characterized in that described
Makrolon includes commercialized makrolon or modified polycarbonate.
6. the preparation method of the conductive polycarbonate basal granule material of the carbon nanomaterial containing multidimensional described in any one of claim 1-5, special
Sign is：0.5-3 parts by weight nanometer multidimensional carbon material, 10-15 parts by weight toughener, 0.5-3 parts by weight dispersion aids are taken,
0-3 parts by weight auxiliary agent and 75-85 weight part polycarbonates are sufficiently mixed, and double screw extruder is then added at 260-270 DEG C
It squeezes out, then cooling, pelletizing.
7. a kind of anti-static composite material, it is characterised in that it described in any one of claim 1-5 mainly by containing multidimensional
The conductive polycarbonate basal granule material of carbon nanomaterial is molded to be formed.
8. anti-static composite material according to claim 7, which is characterized in that wherein injection temperature is 260-270 DEG C.
9. anti-static composite material according to claim 7 or 8, it is characterised in that its sheet resistance is 105Ω~102
Ω。
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| CN107227011A (en) * | 2017-05-31 | 2017-10-03 | 宁波海雨新材料科技有限公司 | A kind of CNT denatured conductive makrolon and preparation method thereof |
| CN108299679A (en) * | 2017-08-29 | 2018-07-20 | 东莞产权交易中心 | A kind of preparation method of lightweight composite graphite alkene material |
| CN109234831A (en) * | 2018-07-23 | 2019-01-18 | 成都普美怡科技有限公司 | A kind of high-performance conductive vinal and preparation method thereof |
| CN109705401B (en) * | 2018-12-11 | 2020-12-15 | 苏州鼎烯聚材纳米科技有限公司 | Composite antistatic plastic concentrated master batch and preparation method thereof |
| CN110511429A (en) * | 2019-08-15 | 2019-11-29 | 新奥（内蒙古）石墨烯材料有限公司 | A kind of conductive additive and application, conducing composite material and its preparation method and application |
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Effective date of registration: 20200108 Address after: No. 519 Road, 315201 Zhejiang Zhuang Zhenhai District of city of Ningbo Province Patentee after: Ningbo Institute of Material Technology and Engineering Chinese Academy of Scien Address before: No. 519 Road, 315201 Zhejiang Zhuang Zhenhai District of city of Ningbo Province Co-patentee before: Ningbo Haiyu Advanced Materials Technology Co., Ltd. Patentee before: Ningbo Institute of Material Technology and Engineering Chinese Academy of Scien |