CN109735047A - Low filling antistatic ABS modified plastics of one kind and preparation method thereof - Google Patents
Low filling antistatic ABS modified plastics of one kind and preparation method thereof Download PDFInfo
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- CN109735047A CN109735047A CN201811484454.5A CN201811484454A CN109735047A CN 109735047 A CN109735047 A CN 109735047A CN 201811484454 A CN201811484454 A CN 201811484454A CN 109735047 A CN109735047 A CN 109735047A
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Abstract
The present invention relates to a kind of low filling antistatic ABS modified plastics and preparation method thereof.The preparation method of the ABS modified plastics: weighing common ABS plastic, phenylethylene-maleic anhydride-phenyl maleimide copolymers (SMN) and cumyl peroxide in proportion, then mixes the above raw material and uses extruder extruding pelletization at 190-210 DEG C；Then the above-mentioned ABS particle for carrying out cross-linking reaction is mixed with carbon black particle；Then the common ABS plastic of 50-80 parts by weight, 10-30 parts by weight of ethylene-acrylic copolymer, 15-20 parts by weight step 2 gained mixture, 0.1-2 parts by weight coupling agent and 0.1-0.4 parts by weight antioxidant are blended；Finally gained blend is squeezed out at 160-200 DEG C using extruder, cooling obtains ABS modified plastics later.ABS modified plastics low sizing of the present invention, antistatic, easy to process and good mechanical property.
Description
Technical field
The invention belongs to anti-static material fields, are specifically related to the low filling antistatic ABS modified plastics of one kind and its system
Preparation Method.
Background technique
ABS plastic is a kind of versatility plastics, is had a wide range of applications in appliance field, and electric appliance casing etc. is usually used in.?
Appliance field usually requires that ABS has good processing performance, mechanical performance and antistatic property.But ABS be a germplasm it is crisp and
The plastics of insulation, the mode for being commonly used to improve ABS antistatic property is a large amount of conducting particles of addition.The addition of conducting particles can deteriorate
The processing performance and mechanical performance of material.How to integrate and realizes that the antistatic property of low filling ABS is a urgent problem to be solved.
Chinese invention patent CN104693335B discloses a kind of method using fabricated in situ and carries out antistatic change to ABS
Property, Anti-static monomers hydroxy butyl vinyl ether is added mainly in the synthesis process of ABS, this method can realize that ABS's is good
It is good antistatic.But this method complex procedures, antistatic effect is not lasting, and efficiency is lower.
Chinese invention patent CN201410847944.2 discloses a kind of antistatic ABS modified plastics and preparation method thereof,
It uses 8~12 parts of carbon blacks as anti-antistatic agent, so that modified ABS surface resistivity reduces by 5~7 orders of magnitude；And
Individually 8~12 parts of toughener of addition are for improving its mechanical tenacity.But the toughening agent content of this method addition is higher, although mentioning
The high toughness of material, and the bending property of material and heat resistance can sharp falls.
Chinese invention patent CN101864141B disclose a kind of utilization be four acicular type zinc oxide crystal whisker and be aided with compatilizer,
Coupling agent etc. improve the antistatic property of ABS, can inhibit the precipitation of electrostatic agent.But it is added to 15wt%'s in this method
ZnOw, content are too high, it will deteriorate the mechanical performance and processing performance of material.
In above preparation method, by way of the improved method of fabricated in situ or a large amount of addition conductive fillers, work
Sequence is complicated and amount of filler is high.Therefore a kind of low sizing, ABS plastic antistatic, easy to process and good mechanical property are developed
It is current urgent problem to be solved.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of low filling antistatic ABS modified plastics and its preparation sides
Method.
In order to achieve the object of the present invention, the invention adopts the following technical scheme:
A kind of preparation method of low filling antistatic ABS modified plastics, comprising the following steps:
Step 1, common ABS plastic, phenylethylene-maleic anhydride-phenyl maleimide copolymers (SMN) are weighed in proportion
And cumyl peroxide, then the above raw material is mixed to and is used extruder extruding pelletization at 190-210 DEG C, to obtain
The ABS particle of cross-linking reaction was carried out with phenylethylene-maleic anhydride-phenyl maleimide copolymers (SMN)；Wherein benzene second
Alkene-maleic anhydride-phenyl maleimide copolymers (SMN) average molecular weight is in (1~5) × 104, ABS and styrene-horse
The mass ratio for carrying out acid anhydrides-phenyl maleimide copolymers (SMN) is (1~5): 1；
Step 2, the above-mentioned ABS particle for carrying out cross-linking reaction is mixed with carbon black particle, it is above-mentioned to carry out crosslinking
The ABS particle of reaction and the blending ratio of carbon black particle are (1~2): (0.5~1), the carbon black particle partial size is in 20-40nm；
Step 3, step 2 gained mixture is blended with following raw material, it is as follows that formula is blended:
The common ABS plastic of 50-80 parts by weight, 10-30 parts by weight of ethylene-acrylic copolymer, 15-20 parts by weight step 2
Gained mixture, 0.1-2 parts by weight coupling agent and 0.1-0.4 parts by weight antioxidant；
Step 4, step 3 gained blend squeezed out at 160-200 DEG C using extruder, obtain the ABS after cooling
Modified plastics.
Preferred embodiment, the carbon black particle are one of acetylene carbon black, channel black, furnace black；
Preferred embodiment, the ethylene-acrylic acid copolymer are ethylene-methyl acrylate copolymer, ethylene-ethylacrylate
One of copolymer, ethylene-acrylate-maleic anhydride graft copolymer.
Preferred embodiment, the coupling agent are γ-(methacryloxypropyl) propyl trimethoxy silicane, 3- glycidyl ether oxygen
One of base propyl trimethoxy silicane, gamma-mercaptopropyltriethoxysilane.
Preferred embodiment, the antioxidant are one or more of antioxidant 1076, irgasfos 168, antioxidant 330.
A kind of ABS modified plastics that the preparation method of the low filling antistatic ABS modified plastics obtains.
The beneficial effects of the present invention are:
(1) it is squeezed out in Blending Processes and is chemically reacted with common ABS plastic using SMN, formed on common ABS plastic
Partial cross-linked reticular structure, so as to improve the viscosity of common ABS plastic and heat-resisting.
(2) it using the ABS particle for containing partial cross-linked structure as modifying agent, is added jointly with carbon black particle to common
In ABS plastic, with the effect that this causes volume to exclude, so that carbon black particle is induced to be mainly distributed in common ABS plastic, so as to
In the more effective conductive path of formation.
(3) present invention reduces the dosage of carbon black particle well, and also maintains the mechanical performance of ABS modified plastics,
Preparation method is simple simultaneously, easy to operate, at low cost, is easy to industrialize.
Specific embodiment
More specific detail is made to technical solution of the present invention below with reference to embodiment:
The common ABS plastic is the terpolymer using the acrylonitrile-butadiene-styrene (ABS) of emulsion method polymerization.With
It is raw materials used in lower embodiment to be all from ordinary commercial products.
Embodiment one
Step 1, weighing the common ABS plastic of 50 parts by weight, 10 parts by weight and molecular weight in proportion is 5 × 104SMN and
0.1 parts by weight cumyl peroxide, then the above raw material mixed and used squeezed out at 200 DEG C using double screw extruder
It is granulated, to obtain the ABS grain for carrying out cross-linking reaction with phenylethylene-maleic anhydride-phenyl maleimide copolymers (SMN)
Son；
Step 2, by the above-mentioned ABS particle for carrying out cross-linking reaction of 10 parts by weight and 5 parts by weight partial sizes 20nm carbon black
Particle is mixed；
Step 3, step 2 gained mixture is blended in mixing machine with following raw material, the mixing machine revolving speed 500
Rev/min, be blended the time 3 minutes, be blended formula it is as follows:
The common ABS plastic of 60 parts by weight, 20 parts by weight of ethylene-methyl acrylate copolymer mix obtained by 15 parts by weight steps 2
Close object, 0.6 parts by weight coupling agent γ-(methacryloxypropyl) propyl trimethoxy silicane and 0.3 parts by weight antioxidant 1076；
Step 4, finally step 3 gained blend is added twin-screw extrude, which is 40:1, spiral shell
Shank diameter 65mm, 300 revs/min of double screw extruder revolving speed, temperature of the double screw extruder from conveying section to discharge port is 190-
200 DEG C, through squeezing out cold drawn bar pelletizing, obtain grain diameterFor the ABS modified plastics particle of 3*3mm.
Embodiment two
Step 1, weighing the common ABS plastic of 50 parts by weight, 30 parts by weight and molecular weight in proportion is 3 × 104SMN and
0.1 parts by weight cumyl peroxide, then the above raw material mixed and used squeezed out at 200 DEG C using double screw extruder
It is granulated, to obtain the ABS grain for carrying out cross-linking reaction with phenylethylene-maleic anhydride-phenyl maleimide copolymers (SMN)
Son；
Step 2, by the above-mentioned ABS particle for carrying out cross-linking reaction of 20 parts by weight and 8 parts by weight partial sizes 30nm carbon black
Particle is mixed；
Step 3, step 2 gained mixture is blended in mixing machine with following raw material, the mixing machine revolving speed 500
Rev/min, be blended the time 3 minutes, be blended formula it is as follows:
The common ABS plastic of 50 parts by weight, 30 parts by weight of ethylene-acrylate-maleic anhydride graft copolymer, 28 parts by weight
Step 2 gained mixture, 0.8 parts by weight coupling agent 3- glycidyl ether oxypropyltrimethoxysilane, 0.2 parts by weight antioxygen
Agent 168 and 0.2 parts by weight antioxidant 1076；
Step 4, finally step 3 gained blend is added twin-screw extrude, which is 40:1, spiral shell
Shank diameter 65mm, 300 revs/min of double screw extruder revolving speed, temperature of the double screw extruder from conveying section to discharge port is 160-
200 DEG C, through squeezing out cold drawn bar pelletizing, obtain grain diameterFor the ABS modified plastics particle of 3*3mm.
Embodiment three
Step 1, weighing the common ABS plastic of 50 parts by weight, 50 parts by weight and molecular weight in proportion is 1 × 104SMN and
0.1 parts by weight cumyl peroxide, then the above raw material mixed and used squeezed out at 200 DEG C using double screw extruder
It is granulated, to obtain the ABS grain for carrying out cross-linking reaction with phenylethylene-maleic anhydride-phenyl maleimide copolymers (SMN)
Son；
Step 2, by the above-mentioned ABS particle for carrying out cross-linking reaction of 20 parts by weight and 10 parts by weight partial sizes 40nm carbon black
Particle is mixed；
Step 3, step 2 gained mixture is blended in mixing machine with following raw material, the mixing machine revolving speed 500
Rev/min, be blended the time 3 minutes, be blended formula it is as follows:
The common ABS plastic of 80 parts by weight, 10 parts by weight of ethylene-acrylate-maleic anhydride graft copolymer, 30 parts by weight
Step 2 gained mixture, 1 parts by weight coupling agent γ-(methacryloxypropyl) propyl trimethoxy silicane and 0.4 parts by weight are anti-
Oxygen agent 168；
Step 4, finally step 3 gained blend is added twin-screw extrude, which is 40:1, spiral shell
Shank diameter 65mm, 300 revs/min of double screw extruder revolving speed, temperature of the double screw extruder from conveying section to discharge port is 160-
200 DEG C, through squeezing out cold drawn bar pelletizing, obtain grain diameterFor the ABS modified plastics particle of 3*3mm.
Example IV
Step 1, weighing the common ABS plastic of 50 parts by weight, 20 parts by weight and molecular weight in proportion is 2 × 104SMN and
0.1 parts by weight cumyl peroxide, then the above raw material mixed and used squeezed out at 200 DEG C using double screw extruder
It is granulated, to obtain the ABS grain for carrying out cross-linking reaction with phenylethylene-maleic anhydride-phenyl maleimide copolymers (SMN)
Son；
Step 2, by the above-mentioned ABS particle for carrying out cross-linking reaction of 10 parts by weight and 10 parts by weight partial sizes 20nm carbon black
Particle is mixed；
Step 3, step 2 gained mixture is blended in mixing machine with following raw material, the mixing machine revolving speed 500
Rev/min, be blended the time 3 minutes, be blended formula it is as follows:
The common ABS plastic of 50 parts by weight, 20 parts by weight of ethylene-ethyl acrylate copolymer mix obtained by 20 parts by weight steps 2
Close object, 1 parts by weight coupling agent γ-mercaptopropyltriethoxysilane and 0.3 parts by weight antioxidant 330；
Step 4, finally step 3 gained blend is added twin-screw extrude, which is 40:1, spiral shell
Shank diameter 65mm, 300 revs/min of double screw extruder revolving speed, temperature of the double screw extruder from conveying section to discharge port is 160-
200 DEG C, through squeezing out cold drawn bar pelletizing, obtain grain diameterFor the ABS modified plastics particle of 3*3mm.
Embodiment five
Step 1, weighing the common ABS plastic of 50 parts by weight, 10 parts by weight and molecular weight in proportion is 4 × 104SMN and
0.1 parts by weight cumyl peroxide, then the above raw material mixed and used squeezed out at 200 DEG C using double screw extruder
It is granulated, to obtain the ABS grain for carrying out cross-linking reaction with phenylethylene-maleic anhydride-phenyl maleimide copolymers (SMN)
Son；
Step 2, by the above-mentioned ABS particle for carrying out cross-linking reaction of 20 parts by weight and 8 parts by weight partial sizes 20nm carbon black
Particle is mixed；
Step 3, step 2 gained mixture is blended in mixing machine with following raw material, the mixing machine revolving speed 500
Rev/min, be blended the time 3 minutes, be blended formula it is as follows:
The common ABS plastic of 60 parts by weight, 25 parts by weight of ethylene-ethyl acrylate copolymer mix obtained by 28 parts by weight steps 2
Close object, 1 parts by weight coupling agent γ-mercaptopropyltriethoxysilane and 0.3 parts by weight antioxidant 330；
Step 4, finally step 3 gained blend is added twin-screw extrude, which is 40:1, spiral shell
Shank diameter 65mm, 300 revs/min of double screw extruder revolving speed, temperature of the double screw extruder from conveying section to discharge port is 160-
200 DEG C, through squeezing out cold drawn bar pelletizing, obtain grain diameterFor the ABS modified plastics particle of 3*3mm.
Modified material is made according to above embodiments, compression moulding or the corresponding batten template of injection molding are detected, and testing result is such as
Shown in following table.
Content of carbon black used in antistatic ABS modified plastics prepared by the present invention is low, has antistatic effect well,
ABS modified material volume resistivity reduces the 5-6 order of magnitude, while the tensile property of ABS modified material, bending property and resistance to
It is hot to have almost no change with common ABS material.
Claims (6)
1. a kind of preparation method of low filling antistatic ABS modified plastics, it is characterised in that: the following steps are included:
Step 1, weigh in proportion common ABS plastic, phenylethylene-maleic anhydride-phenyl maleimide copolymers (SMN) and
Then the above raw material is mixed and is used extruder extruding pelletization at 190-210 DEG C by cumyl peroxide, with acquisition and benzene
Ethylene-maleic acid-phenyl maleimide copolymers (SMN) carried out the ABS particle of cross-linking reaction；Wherein styrene-horse
Carry out the average molecular weight of acid anhydrides-phenyl maleimide copolymers (SMN) in (1~5) × 104, ABS and styrene-maleic acid
The mass ratio of acid anhydride-phenyl maleimide copolymers (SMN) is (1~5): 1；
Step 2, the above-mentioned ABS particle for carrying out cross-linking reaction is mixed with carbon black particle, it is above-mentioned to carry out cross-linking reaction
ABS particle and carbon black particle blending ratio be (1~2): (0.5~1), the carbon black particle partial size is in 20-40nm；
Step 3, step 2 gained mixture is blended with following raw material, it is as follows that formula is blended:
The common ABS plastic of 50-80 parts by weight, 10-30 parts by weight of ethylene-acrylic copolymer, 15-20 parts by weight step 2 gained
Mixture, 0.1-2 parts by weight coupling agent and 0.1-0.4 parts by weight antioxidant；
Step 4, it is modified that the ABS is obtained after step 3 gained blend being used extruder to squeeze out at 160-200 DEG C, cooled down
Plastics.
2. the preparation method of low filling antistatic ABS modified plastics as described in claim 1, it is characterised in that: the carbon black grain
Son is one of acetylene carbon black, channel black, furnace black.
3. the preparation method of low filling antistatic ABS modified plastics as described in claim 1, it is characterised in that: the ethylene-the third
Olefin(e) acid copolymer is ethylene-methyl acrylate copolymer, ethylene-ethyl acrylate copolymer, ethylene-acrylate-maleic acid
One of acid anhydride graft copolymer.
4. the preparation method of low filling antistatic ABS modified plastics as described in claim 1, it is characterised in that: the coupling
Agent is γ-(methacryloxypropyl) propyl trimethoxy silicane, 3- glycidyl ether oxypropyltrimethoxysilane, γ-mercapto
One of propyl-triethoxysilicane.
5. the preparation method of low filling antistatic ABS modified plastics as described in claim 1, it is characterised in that: the antioxidant
It is one or more of antioxidant 1076, irgasfos 168, antioxidant 330.
6. a kind of ABS that the preparation method by the described in any item low filling antistatic ABS modified plastics of claim 1-5 obtains
Modified plastics.
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| CN201811484454.5A CN109735047B (en) | 2018-12-06 | 2018-12-06 | Low-filling antistatic ABS (acrylonitrile-butadiene-styrene) modified plastic and preparation method thereof |
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| CN201811484454.5A CN109735047B (en) | 2018-12-06 | 2018-12-06 | Low-filling antistatic ABS (acrylonitrile-butadiene-styrene) modified plastic and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759974A (en) * | 2008-11-21 | 2010-06-30 | 上海普利特复合材料股份有限公司 | Low-odor antistatic and high tenacity polycarbonate composite |
| KR101301661B1 (en) * | 2012-11-13 | 2013-09-03 | 윤성윤 | Manufacturing method of plastic sheets preventing of static electricity with excellent durability |
| CN104693335A (en) * | 2013-12-10 | 2015-06-10 | 合肥杰事杰新材料股份有限公司 | Antistatic ABS composite material and preparation method thereof |
| CN107629385A (en) * | 2016-07-19 | 2018-01-26 | 大韩道恩高分子材料(上海)有限公司 | Low smell antistatic ABS composite of a kind of automobile using and preparation method thereof |
-
2018
- 2018-12-06 CN CN201811484454.5A patent/CN109735047B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759974A (en) * | 2008-11-21 | 2010-06-30 | 上海普利特复合材料股份有限公司 | Low-odor antistatic and high tenacity polycarbonate composite |
| KR101301661B1 (en) * | 2012-11-13 | 2013-09-03 | 윤성윤 | Manufacturing method of plastic sheets preventing of static electricity with excellent durability |
| CN104693335A (en) * | 2013-12-10 | 2015-06-10 | 合肥杰事杰新材料股份有限公司 | Antistatic ABS composite material and preparation method thereof |
| CN107629385A (en) * | 2016-07-19 | 2018-01-26 | 大韩道恩高分子材料(上海)有限公司 | Low smell antistatic ABS composite of a kind of automobile using and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| ZHUO-YUE XIONG等: "Modeling the electrical percolation of mixed carbon fillers in polymer blends", 《CARBON》 * |
| 景涛: "聚合物/炭黑复合材料导电和增韧研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
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