CN106147185A - Conductive polycarbonate basal granule material, its preparation method and application containing multidimensional carbon nanomaterial - Google Patents
Conductive polycarbonate basal granule material, its preparation method and application containing multidimensional carbon nanomaterial Download PDFInfo
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- CN106147185A CN106147185A CN201510181084.8A CN201510181084A CN106147185A CN 106147185 A CN106147185 A CN 106147185A CN 201510181084 A CN201510181084 A CN 201510181084A CN 106147185 A CN106147185 A CN 106147185A
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Abstract
The invention discloses a kind of conductive polycarbonate basal granule material, its preparation method and application containing multidimensional carbon nanomaterial.This pellet comprises the components such as nanometer multidimensional material with carbon element, toughener, dispersion aids, auxiliary agent and Merlon；Wherein said nanometer multidimensional material with carbon element is mainly by conductive nano white carbon black, CNT and Graphene physical blending composition.In the conductive polycarbonate basal granule material of the present invention, conductive agent addition is few, it is prone to be injection molding processing, and the product that injection is formed has and possesses excellent antistatic property or capability of electromagnetic shielding, the plastics enrichment phenomenon on surface and the surface precipitation phenomenon of conductive agent all are significantly suppressed even to eliminate than existing product.
Description
Technical field
The present invention relates to a kind of injection mould master batch, particularly to a kind of injection conductive polycarbonate base containing various dimensions carbon nanomaterial
Pellet and preparation method thereof and application, such as, the application in the fields such as auto industry, electronic product and oil and gas industry after injection, belong to
In general engineering plastic field.
Background technology
Merlon is a kind of conventional engineering plastics, has the widest range of application and the fastest growth momentum.Answering of it
For glazing, auto industry and electronics, electrical equipment industry etc..When Merlon is applied to anti-static material, its table
Surface resistance need to reach 106～109Ω, so could realize preferable electrostatic-proof function.At present, antistatic gathers in the industrial production
Carbonic ester has the biggest application market, but existing anti-static polycarbonate product exists many deficiencies, such as: such as conduction
The addition of agent is big, the relatively low poor fluidity of melting means, causes be inconvenient to the product pattern after being molded or being molded poor, and, it is molded
Causing sheet resistance big due to surface plastic materials enrichment after molding, conduction dosage is many and is prone to precipitation etc..
Summary of the invention
A kind of conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial of offer is provided, existing to overcome
Deficiency in technology.
Another object of the present invention is to provide a kind of side preparing the described conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial
Method.
A further object of the present invention is to provide the application of the described conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial.
For realizing aforementioned invention purpose, the technical solution used in the present invention includes:
A kind of conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial, it comprises the following component calculated by weight: nanometer
Multidimensional material with carbon element 0.5-3 part, toughener 10-15 part, dispersion aids 0.5-3 part, auxiliary agent 0-3 part and Merlon 75-85
Part；Wherein said nanometer multidimensional material with carbon element is mainly by conductive nano white carbon black, CNT and Graphene composition.
Among a preferred embodiment, described nanometer multidimensional material with carbon element comprises: conductive nano white carbon black 10wt%-45wt%, carbon is received
Mitron 10wt%-45wt%, Graphene 10wt%-45wt%.
Preferably, described nanometer multidimensional material with carbon element also can be considered as multidimensional conductive nano agent, and it is by the conductive nano white carbon black of zero dimension,
One-dimensional CNT, the Graphene physical blending composition of two dimension.
Further, described toughener can be PET (polyethylene terephthalate) PBT (poly terephthalic acid fourth two
Alcohol ester) etc. polyester；MBS (methyl methacrylate, butadiene, styrene copolymer) or ABS (acrylic nitrile-butadiene two
Alkene-styrol copolymer) or one or more of the block copolymer such as ethylene propylene diene rubber, and it is not limited to this.
Further, described dispersion aids is at least selected from the other inorganic filler of micro/nano level, and described inorganic filler includes nano-silica
SiClx, nano-calcium carbonate, Pulvis Talci, nano-hollow glass microballoon or titanium dioxide, and it is not limited to this.
Further, the combination of any one or more during described auxiliary agent includes antioxidant, lubricant and fire retardant, it is possible to
To be other auxiliary agent.
Further, described Merlon includes business-like Merlon or modified polycarbonate.
Among an embodiment, the preparation method of the described conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial includes: take
0.5-4 weight portion nanometer multidimensional material with carbon element, 10-15 weight portion toughener, 0.5-3 weight portion dispersion aids, 0-3 weight portion auxiliary agent
And 75-85 weight part polycarbonate is sufficiently mixed, it is subsequently adding double screw extruder at 260-270 DEG C (with specific reference to material board
Depending on number) extrusion, then cool down, pelletizing.
Among one more specifically embodiment, the preparation side of a kind of conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial
First method may include that, is dried being placed in vacuum environment as the Merlon of matrix more than 4 hours under the conditions of 120 DEG C,
Then the conductive nano white carbon black of zero dimension degree, the CNT of dimension and the Graphene of two dimension are carried out thing according to required ratio
Reason is blended standby.According to multidimensional nano-carbon material 0.5-3 part, toughener 10-15 part, dispersion aids 0.5-3 part, other auxiliary agents 0-3
Part, the formula dispensing of polycarbonate matrix 75-85 part, then extrude with double screw extruder, pelletizing.The pellet obtained is at note
It is dried 4 hours according still further to 120 DEG C of vacuum before moulding, injection mo(u)lding can obtain anti-static composite material afterwards.
A kind of anti-static composite material, is mainly existed by the described conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial
260-270 DEG C of (depending on material variety) transfer molding becomes.
Further, the sheet resistance of described anti-static composite material is 105Ω～102Ω。
Compared with prior art, the invention have the advantages that
(1) by using the conductive nano white carbon black of zero dimension, the Graphene of one-dimensional CNT and two dimension is blended group with simple physical
Become nanometer multidimensional material with carbon element, and make an addition in masterbatch as conductive additive, because nano-carbon material has multiple different dimensions,
It can build the significantly more efficient conductive network of formation the most in the base, is realizing low concentration high connductivity effect
While maintain the high melting means of Merlon, beneficially Shooting Technique；
(2) nano-carbon material because using has multiple different dimensions, can form uniform and stable multidimensional material with carbon element network structure,
The plastics enrichment phenomenon that can make injection product surface is largely suppressed, and is capable of low sheet resistance simultaneously, i.e. possess excellent
Good antistatic property or capability of electromagnetic shielding, and effectively eliminate the surface precipitation phenomenon of conductive agent.
(3) toughener added in the feed does not only have toughening effect, simultaneously because play the effect that volume is got rid of, thus increases yet
Add the electric conductivity of material.
Specific embodiments
Below in conjunction with embodiment, the present invention is described further.This skilled practitioner according to foregoing invention content to this
The non-intrinsically safe that invention is made in technique or on formula improves and adjusts, and still falls within protection scope of the present invention.
This conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial of embodiment 1 includes following component (in terms of weight is divided):
Multidimensional nano-carbon material 3 parts
PBT (Changchun chemical industry 100-211M) 10 parts
MBS (EXL-2620, ROHM AND HAAS) 2 parts
Nano silicon (mean diameter 637nm) 0.5 part
Merlon (Korea S LG 1201-15) 84.5 parts；
Wherein, multidimensional nano-carbon material comprises:
Conductive nano white carbon black (T80) 0.9 part,
CNT (average length 861nm) 1.2 parts,
Graphene (prepared by Chinese Academy of Sciences's Ningbo material, average thickness 3nm, average diameter 5 μm) 0.9 part.
The preparation technology of this conductive polycarbonate basal granule material includes: first by Merlon 120 DEG C of vacuum drying 4 hours, so
Rear raw material carries out physical mixed by above proportioning, then with twin-screw extrusion pelletize, and processing temperature 265 DEG C, rotating speed 250r/min.
Dried injection mo(u)lding obtains anti-static composite material.
This conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial of embodiment 2 includes following component (in terms of weight is divided):
Various dimensions carbon nanomaterial 3 parts (wherein conductive nano white carbon black 0.9 part, CNT 0.9 part, Graphene 1.2 parts)
PBT (Changchun chemical industry 100-211M) 10 parts
MBS (EXL-2620, ROHM AND HAAS) 2 parts
Pulvis Talci (mean diameter 49 μm) 3 parts
Merlon (Korea S LG 1201-15) 82 parts；
Wherein, multidimensional nano-carbon material comprises:
Conductive nano white carbon black (T80) 0.9 part,
CNT (average length 861nm) 0.9 part,
Graphene (prepared by Chinese Academy of Sciences's Ningbo material, average thickness 3nm, average diameter 5 μm) 1.2 parts.
The preparation technology of this conductive polycarbonate basal granule material includes: first by Merlon 120 DEG C of vacuum drying 4 hours, so
Rear raw material carries out physical mixed by above proportioning, then with twin-screw extrusion pelletize, and processing temperature 265 DEG C, rotating speed 250r/min.
Dried injection mo(u)lding obtains anti-static composite material.
Reference examples 1: component and the preparation technology of this injection conductive polycarbonate basal granule material are substantially the same manner as Example 2 is different
Part is only that, is not added with aforementioned various dimensions carbon nanomaterial.
Reference examples 2: component and the preparation technology of this injection conductive polycarbonate basal granule material are substantially the same manner as Example 1 is different
Part is only that, uses the CNT (average length 861nm) of 5 weight portions to instead of aforementioned various dimensions carbon nanomaterial.
Reference examples 3: component and the preparation technology of this injection conductive polycarbonate basal granule material are substantially the same manner as Example 1 is different
Part is only that, uses the conductive nano white carbon black (T80) of 1 weight portion to instead of aforementioned various dimensions carbon nanomaterial.
Reference examples 4: component and the preparation technology of this injection conductive polycarbonate basal granule material are substantially the same manner as Example 1 is different
Part be only that, use 3 weight portions Graphene (prepared by Chinese Academy of Sciences's Ningbo material, average thickness 3nm, average diameter 5
μm) instead of aforementioned various dimensions carbon nanomaterial.
The mechanical property of product, sheet resistance and melting means such as table 1 below after the injection of previous embodiment 1-2 obtained anti-static composite material
Shown in.
The mechanical property of the obtained anti-static composite material of table 1 embodiment 1-2, sheet resistance and melting means test result
| 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 |
The mechanical property of the obtained anti-static composite material of table 2 reference examples 1-4, sheet resistance and melting means test result
| 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 |
Should be appreciated that above-described embodiment is only technology design and the feature of the explanation present invention, its object is to allow and be familiar with technique
Personage will appreciate that present disclosure and implement according to this, can not limit the scope of the invention with this.All according to this
The equivalence that bright spirit is made changes or modifies, and all should contain within protection scope of the present invention.
Claims (10)
1. the conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial, it is characterised in that comprise calculate by weight as follows
Component: nanometer multidimensional material with carbon element 0.5-3 part, toughener 10-15 part, dispersion aids 0.5-3 part, auxiliary agent 0-3 part and poly-carbon
Acid esters 75-85 part；Wherein said nanometer multidimensional material with carbon element is mainly by conductive nano white carbon black, CNT and Graphene composition.
Conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial the most according to claim 1, it is characterised in that described in receive
Meter Duo Wei material with carbon element comprises: conductive nano white carbon black 10wt%-45wt%, CNT 10wt%-45wt%, Graphene
10wt%-45wt%.
Conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial the most according to claim 1, it is characterised in that described increasing
Tough dose includes polyester and/or block copolymer；Described polyester includes polyethylene terephthalate or polybutylene terephthalate
Ester, described block copolymer includes MBS terpolymer, acrylonitrile-butadiene-styrene (ABS)
Copolymer or ethylene propylene diene rubber.
Conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial the most according to claim 1, it is characterised in that described in help
Dispersant is at least selected from the other inorganic filler of micro/nano level, and described inorganic filler includes nano silicon, nano-calcium carbonate, cunning
Stone powder, nano-hollow glass microballoon or titanium dioxide.
Conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial the most according to claim 1, it is characterised in that described in help
Agent includes the combination of any one or more in antioxidant, lubricant and fire retardant.
Conductive polycarbonate basal granule material containing multidimensional carbon nanomaterial the most according to claim 1, it is characterised in that described poly-
Carbonic ester includes business-like Merlon or modified polycarbonate.
7. according to any one of claim 1-6, contain the preparation method of the conductive polycarbonate basal granule material of multidimensional carbon nanomaterial, its feature
It is to include: take 0.5-4 weight portion nanometer multidimensional material with carbon element, 10-15 weight portion toughener, 0.5-3 weight portion dispersion aids, 0-3
Weight portion auxiliary agent and 75-85 weight part polycarbonate are sufficiently mixed, and are subsequently adding double screw extruder 260-270 DEG C of extrusion,
Cool down again, pelletizing.
8. an anti-static composite material, it is characterised in that it mainly by according to any one of claim 1-6 containing multidimensional carbon
The conductive polycarbonate basal granule material injection of nano material is formed.
Anti-static composite material the most according to claim 8, it is characterised in that wherein injection temperature is 260-270 DEG C.
Anti-static composite material the most according to claim 8 or claim 9, it is characterised in that its sheet resistance is 105Ω～
102Ω。
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| CN106632822A (en) * | 2016-12-31 | 2017-05-10 | 上海巴德富实业有限公司 | Cationic styrene-acrylic primer emulsion and preparation method thereof |
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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 |
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| CN106632822A (en) * | 2016-12-31 | 2017-05-10 | 上海巴德富实业有限公司 | Cationic styrene-acrylic primer emulsion and preparation method thereof |
| CN106632822B (en) * | 2016-12-31 | 2019-01-25 | 上海巴德富实业有限公司 | A kind of cation phenylpropyl alcohol primer emulsion and preparation method thereof |
| 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 |
| CN109705401A (en) * | 2018-12-11 | 2019-05-03 | 苏州鼎烯聚材纳米科技有限公司 | A kind of composite anti-static plastics concentration masterbatch and preparation method thereof |
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| CN115386213A (en) * | 2022-08-29 | 2022-11-25 | 南京聚隆科技股份有限公司 | High light absorption material and preparation method thereof |
| CN115386213B (en) * | 2022-08-29 | 2024-05-03 | 南京聚隆科技股份有限公司 | High light absorption material and preparation method thereof |
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