CN104419158A - Flame-retardant PC (polycarbonate)/ABS (acrylonitrile-butadiene-styrene copolymer) alloy material capable of being applied to electromagnetic shielding and preparation method thereof - Google Patents
Flame-retardant PC (polycarbonate)/ABS (acrylonitrile-butadiene-styrene copolymer) alloy material capable of being applied to electromagnetic shielding and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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
- B29B9/02—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
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- 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
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- 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
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- 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
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- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- 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
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K2201/001—Conductive additives
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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
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/53—Core-shell polymer
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Abstract
The invention discloses a flame-retardant polycarbonate/acrylonitrile-butadiene-styrene copolymer (PC/ABS) resin alloy material capable of being applied to electromagnetic shielding and a preparation method thereof. The PC/ABS resin alloy material is prepared from the following components in parts by weight: 100-500 parts of polycarbonate resin, 100-350 parts of acrylonitrile-butadiene-styrene copolymer (ABS) resin, 100-200 parts of a flame retardant, 200-300 parts of a conductive substrate material, 30-50 parts of a toughening agent, 3-6 parts of an antioxidant and 5-8 parts of a lubricating agent. The flame-retardant PC/ABS resin alloy material prepared by using the method disclosed by the invention has the bending modulus of more than 3500MPa, is relatively excellent in toughness, also has excellent electromagnetic shielding performance, is good in flame-retardant performance, and can be widely applied to equipment of electronics, communications and other industries for eliminating electrostatic hidden hazards.
Description
Technical field
The invention belongs to high molecular polymer modification field, be specifically related to a kind of fire retardation PC/ABS alloy material that can be used for electromagnetic shielding and preparation method thereof.
Background technology
PC/ABS is the thermoplastic plastic rubber be composited by polycarbonate (PC) and Acrylonitrile-Butadiene-Styrene Copolymer (ABS), combine the excellent specific property of bi-material, the formability of ABS material and the character such as the mechanicalness of PC, shock strength and heatproof, uvioresistant (UV), can be widely used on automotive interior parts, business machine, the communication apparatus, electrical home appliances and set lights.
Electrostatic is as the general physical phenomenon of one, near during the last ten years along with the develop rapidly of unicircuit and the widespread use of macromolecular material, the harm that the reactive force of electrostatic, electric discharge and induction phenomena cause is very serious, according to statistics, American Electronic industry department is every year because static hazard causes damage up to 10,000,000,000 dollars, the loss that Britain's electronic product causes because of electrostatic is every year 2,000,000,000 pounds, and the harm being no less than 45% in the unacceptable product of NEC components and parts causes because of static discharge (ESD).Electronic product its have with next distinguishing feature: after electrostatic damage, be not to use, but characteristic declines to some extent, people just can find at that time, but had caused potential inefficacy hidden danger, under in the future certain specific condition, finally component failure can be caused, as device zone of oxidation occurs a hole, after equipment works long hours, metallization electromigration causes short circuit to burn, thus causes equipment failure.Such electrostatic damage, will shorten the work-ing life of components and parts greatly.
Electromagnetic shielding refers to that the parts utilizing electro-conductive material to make shield electric field magnetic field, to reduce the measure of added losses and the local pyrexia caused by electrostatic.In communication aspects, shielding uses conductor to isolate between two area of space, to control electric field, magnetic field and hertzian wave by a region to the induction in another region and radiation exactly.Specifically, by conductive shield, the interfering source of component, circuit, subassembly, cable or whole system is surrounded and reliable ground exactly, prevents interfere with electromagnetic field to external diffusion or the impact being subject to external electromagnetic field.：
Some company by the plating of plastic shielded surface in order to shield electromagnetic, but can increase aborning deoil, alligatoring, the technique such as harsh, plating, comparatively bother, be unfavorable for the lifting of production capacity etc.; And shielding is complex-shaped, can cause that electroplating time is of a specified duration, yield is low, be also unfavorable for the quality controlling goods.
The conductive plated PC/ABS resistivity of material introduced in patent 201210228088.3 is higher, only can be used as plated material and uses, be not suitable in electromagnetic shielding occasion.
For now, electronics and communication industry more uses metal as conductive shield, but comparatively plastics are compared, and metal is difficult to processing and weight is comparatively large, is unfavorable for producing assembling; And metal price also costly, if use in a large number, cost also can not look down upon.As patent 03826294.0.
Be used in electromagnetic shielding at fluoropolymer resin, patent: the PC process for preparing resins describing a kind of conduction in 201110132164.6, its deficiency is, fire-retardant instability, and in resin, be mainly PC composition, stress cracking resistance is poor, and product can be caused in life-time service to damage, and the possibility by product damage during External Force Acting is also larger.In addition, its conductive matrices selects carbon nanotube, and cost is high, and resistivity is also bigger than normal, is not suitable for electron trade and widely uses.
The elongation at break of the PC/PBT compound resin introduced in patent 201110172756.0 is lower, and be only within 5%, toughness is poor, and the PC/ABS resistance introduced in patent 201110382672.X is higher, is not suitable as electromagnetic shielding material and uses.
Summary of the invention
The object of the present invention is to provide a kind of conduction fire retardation PC/ABS and preparation method thereof, make it have excellent mechanics, electric property and good prospect of the application.
Conduction fire retardation PC/ABS of the present invention is made up of the component of following weight part:
PC resin: 100-500 part;
ABS resin: 100-350 part;
Fire retardant: 100-200 part;
Conductive matrices: 200-300 part
Toughner: 30 ~ 50 parts
Antioxidant: 3-6 part;
Lubricant: 5 ~ 8 parts;
Described PC resin is weight-average molecular weight 2 × 10
4~ 6 × 10
4polycarbonate resin.；
Described ABS resin weight-average molecular weight is 5 × 10
4~ 5 × 10
5, wherein acrylonitrile content can be 5 ~ 40%, and under 220 DEG C/10kg condition, its melting index can be 10 ~ 25g/10min.
Described fire retardant is at least one in phenoxy group end-blocking tetrabromobisphenol-A carbonic ether oligopolymer (as BC58), TDE, tetrabromo-bisphenol or is, at least one in phenoxy group end-blocking tetrabromobisphenol-A carbonic ether oligopolymer, TDE, tetrabromo-bisphenol and the compound of chlorinatedpolyethylene or antimonous oxide.
Described toughner is one or more compounds that nucleocapsid structure class comprises in MBS terpolymer (trade(brand)name EM500A), butyl acrylate grafting ASA powder copolymer (trade(brand)name 960A), nucleocapsid structure class methyl methacrylate-acrylate-silicone based toughner (trade(brand)name S2001), ethylene-methyl acrylate-glyceryl methacrylate random terpolymer (trade(brand)name AX8900).
Described conductive matrices be selected from conductive plastics, graphitized carbon black, conductive carbon fibres one or more.
The mixture of described conductive plastics preferable alloy fiber-resin, described steel fiber can be Stainless Steel Fibre (SSF), copper fiber (Cu), silver-colored fiber (Ag) or nickel fiber (Ni) etc., described resin can be PC, ABS or PC/ABS etc., therefore further, described conductive plastics can be selected from SSF/PC, SSF/PC/ABS or Cu/PC/ABS etc. (steel fiber loading level 0.6%-2%) that GE company produces.
Described antioxidant is β-(3; 5-di-tert-butyl-hydroxy phenyl) the positive octadecanol ester of propionic acid) (antioxidant 1076), three [2.4-di-tert-butyl-phenyl] phosphorous acid ester (irgasfos 168), N; N'-pair-(3-(3; 5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine (antioxidant 1010) and 2, at least one in 6-di-tert-butyl-4-methy phenol (oxidation inhibitor 1098).
Described lubricant is at least one in ethylene bis stearamide, calcium stearate, polytetrafluoroethylene (PTFE), white oil, silicone oil.
The preparation method that can be used for the fire retardation PC/ABS alloy material of electromagnetic shielding of the present invention, comprises the following steps:
(1) by proportioning, PC resin, ABS resin, toughner, fire retardant, antioxidant, lubricant are put into high-speed mixer and mixed, rotating speed 1000 ~ 1500 r/min;
(2) heat, when making material temperature be warmed up to 60 ~ 80 DEG C, the rotating speed slowing down mixing machine continues mixing again, and rotating speed is 500 ~ 1000r/min, and when temperature reaches 100 ~ 120 DEG C, discharging obtains mixture;
(3) by mixture in an extruder extruding pelletization obtain product, forcing machine each section of temperature is 210 DEG C ~ 265 DEG C;
(4) product obtained in step (3) is mixed with conductive matrices normal temperature in high mixer, rotating speed 1000 ~ 1500r/min, time 30s.
The present invention compared with the existing technology, has the following advantages and beneficial effect:
1, the present invention compares other electroconductive resins, has the features such as flame retardant properties is stable, toughness is strong, good rigidly, conductivity are excellent.
2, the present invention compares plating polymer materials as electromagnetic shield, and have technique simple, production capacity is large, yield rate advantages of higher.
3, the present invention uses electrically conductive polymer resin alloy to replace metal as product material, has the advantages such as easy-formation, low price, lighter weight.
Embodiment
Below in conjunction with specific examples, content of the present invention is further detailed; but described embodiment is not the simple restriction to connotation of the present invention, anyly all should to belong within the present invention's scope required for protection based on the simple change done by connotation of the present invention or equivalent replacement.
embodiment 1
400 parts of PC resins, 100 parts of ABS resin, 120 parts of BC58,50 parts of S2001,2 parts of antioxidant 1076s, 4 parts of irgasfos 168s, 3 parts of calcium stearates, 2 parts of PTFE mixtures are put into high-speed mixer and mixed, rotating speed 1000r/min, after material nature is warmed up to 80 DEG C, rotating speed is 500r/min mixing, is warming up to 120 DEG C of dischargings; By mixture in length-to-diameter ratio 40, extruding pelletization in the forcing machine of screw diameter 35mm, feed opening temperature is set to 210 DEG C, and screw zones extrusion temperature is set to 245 ~ 265 DEG C, head temperature 225 DEG C.Screw speed 500r/min.
The masterbatch resin this extruded again and 300 parts of conductive plastics SSF/PC insert normal temperature mixing 30s, rotating speed 1000r/min in high mixer.
embodiment 2
100 parts of PC resins, 350 parts of ABS resin, 200 parts of BC58,50 parts of AX8900,1 part of antioxidant 1076,2 parts of irgasfos 168s, 4 parts of calcium stearates, 4 parts of PTFE mixtures are put into high-speed mixer and mixed, rotating speed 1200r/min, after material nature is warmed up to 80 DEG C, rotating speed is 800r/min mixing, is warming up to 120 DEG C of dischargings; By mixture in length-to-diameter ratio 40, extruding pelletization in the forcing machine of screw diameter 35mm, feed opening temperature is set to 210 DEG C, and screw zones extrusion temperature is set to 245 ~ 265 DEG C, head temperature 225 DEG C.Screw speed 600r/min.
The masterbatch resin this extruded again and 300 parts of conductive plastics SSF/PC/ABS insert normal temperature mixing 30s, rotating speed 1200/min in high mixer.
embodiment 3
200 parts of PC resins, 300 parts of ABS resin, 150 parts of BC58,50 parts of EM500A, 1 part of antioxidant 1076,2 parts of irgasfos 168s, 3 parts of calcium stearates, 3 parts of PTFE mixtures are put into high-speed mixer and mixed, rotating speed 1500r/min, after material nature is warmed up to 80 DEG C, rotating speed is 1000r/min mixing, is warming up to 120 DEG C of dischargings; By mixture in length-to-diameter ratio 40, extruding pelletization in the forcing machine of screw diameter 35mm, feed opening temperature is set to 210 DEG C, and screw zones extrusion temperature is set to 245 ~ 265 DEG C, head temperature 225 DEG C.Screw speed 500r/min.The masterbatch resin this extruded again and 300 parts of conductive plastics SSF/ABS insert normal temperature mixing 30s, rotating speed 1000r/min in high mixer.
embodiment 4
450 parts of PC resins, 100 parts of ABS resin, 200 parts of BC58,50 parts of 960A, 1 part of oxidation inhibitor, 1098,2 parts of oxidation inhibitor, 1098,3 parts of calcium stearates, 3 parts of silicon oil mixtures are put into high-speed mixer and mixed, rotating speed 1500r/min, after material nature is warmed up to 80 DEG C, rotating speed is 500r/min mixing, is warming up to 120 DEG C of dischargings; By mixture in length-to-diameter ratio 40, extruding pelletization in the forcing machine of screw diameter 35mm, feed opening temperature is set to 210 DEG C, and screw zones extrusion temperature is set to 245 ~ 265 DEG C, head temperature 225 DEG C.Screw speed 500r/min.The masterbatch resin this extruded again and 300 parts of graphitized carbon blacks insert normal temperature mixing 30s, rotating speed 100r/min in high mixer.
embodiment 5
450 parts of PC resins, 100 parts of ABS resin, 100 parts of tetrabromo-bisphenols, 80 parts of TDE, 20 parts of antimonous oxides, 30 parts of S2001,1 part of antioxidant 1076,2 parts of antioxidant 1010s, 3 parts of ethylene bis stearamides, 2 parts of white oil mixtures are put into high-speed mixer and mixed, rotating speed 1000r/min, after material nature is warmed up to 80 DEG C, rotating speed is 500r/min mixing, is warming up to 120 DEG C of dischargings; By mixture in length-to-diameter ratio 40, extruding pelletization in the forcing machine of screw diameter 35mm, feed opening temperature is set to 210 DEG C, and screw zones extrusion temperature is set to 245 ~ 265 DEG C, head temperature 225 DEG C.Screw speed 800r/min.
The masterbatch resin this extruded again and 200 parts of conductive carbon fibres insert normal temperature mixing 30s, rotating speed 1500r/min in high mixer.
In order to compare conductive matrices, ABS consumption, impact on correlated performance of the present invention, employ following comparative example this spy:
comparative example 1
720 parts of PC resins, 80 parts of BC58,50 parts of S2001,1 part of antioxidant 1076,2 parts of irgasfos 168s, 3 parts of calcium stearates, 3 parts of PTFE mixtures are put into high-speed mixer and mixed, rotating speed 1000r/min, after material nature is warmed up to 80 DEG C, rotating speed is 500r/min mixing, is warming up to 120 DEG C of dischargings; By mixture in length-to-diameter ratio 40, extruding pelletization in the forcing machine of screw diameter 35mm, feed opening temperature is set to 210 DEG C, and screw zones extrusion temperature is set to 245 ~ 265 DEG C, head temperature 225 DEG C.Screw speed 500r/min.The masterbatch resin this extruded again and 150 parts of conductive plastics SSF/ABS insert normal temperature mixing 30s, rotating speed 1000r/min in high mixer.
comparative example 2
500 parts of PC resins, 150 parts of ABS, 200 parts of BC58,50 parts of S2001,1 part of antioxidant 1076,2 parts of irgasfos 168s, 3 parts of calcium stearates, 3 parts of PTFE mixtures are put into high-speed mixer and mixed, rotating speed 1200r/min, after material nature is warmed up to 80 DEG C, rotating speed is 800r/min mixing, is warming up to 120 DEG C of dischargings; By mixture in length-to-diameter ratio 40, extruding pelletization in the forcing machine of screw diameter 35mm, feed opening temperature is set to 210 DEG C, and screw zones extrusion temperature is set to 245 ~ 265 DEG C, head temperature 225 DEG C.Screw speed 600r/min.
The masterbatch resin this extruded again and 100 parts of conductive plastics SSF/ABS insert normal temperature mixing 30s, rotating speed 1200r/min in high mixer.
Product obtained in above-described embodiment 1-5 and comparative example 1-2 is carried out injection moulding by ASTM, injection moulding batten 23 DEG C, stablize 24h under relative humidity 50% condition after carry out performance test, described injection mold is the injection moulding machine being applicable to injection molding PC/ABS goods.Each performance test standard is as follows:
Tensile strength, according to ASTM D638, adopts dumbbell shape batten;
Flexural strength and modulus in flexure, according to ASTM D790, adopt rectangle batten;
Simple beam impact strength is according to ASTM D6110, and gap width is 1/5 of batten width;
Vicat softening temperature is according to ASTM D1525.
The performance test results of each embodiment is in table 1.
Table 1: each embodiment the performance test results table
Interpretation of result:
1, conduction fire retardation PC/ABS material of the present invention flame retardant properties when fire retardant reaches more than 100 parts all can reach UL-94 V-0 standard.
2, no matter be add electroconductive resin-steel fiber mixture or conductive carbon fibres, when content reaches more than 200 parts, resistivity all reaches 10
3, conductivity is excellent.The requirement of electromagnetic shielding can be met.Reality is tested, under low frequency wave, and effectiveness >=30dB, under high frequency waves, effectiveness >=20dB.
3, the notch shock of products obtained therefrom of the present invention can reach more than 15KJ/m2, and comparing present technology has great raising, is conducive to the assembly technology that product is follow-up; And rigidity all can reach on 4000MPa, and thermal distortion also all reaches more than 135 DEG C.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, such as finely tunes the ratio of major ingredient, auxiliary agent etc., fine setting implementing process or General Principle described herein to be applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (10)
1. can be used for fire retardation PC/ABS resin alloy material of electromagnetic shielding, it is characterized in that: described resin composite materials is made up of the component of following weight part:
PC resin: 100-500 part;
ABS resin: 100-350 part;
Fire retardant: 100-200 part;
Conductive matrices: 200-300 part
Toughner: 30-50 part
Antioxidant: 3-6 part;
Lubricant: 5-8 part.
2. the fire retardation PC for electromagnetic shielding according to claim 1/ABS resin alloy material, is characterized in that: described PC resin is weight-average molecular weight 2 × 10
4~ 6 × 10
4polycarbonate resin.
3. the fire retardation PC for electromagnetic shielding according to claim 1/ABS resin alloy material, is characterized in that: described ABS resin weight-average molecular weight is 5 × 10
4~ 5 × 10
5.
4. the fire retardation PC for electromagnetic shielding according to claim 1/ABS resin alloy material, it is characterized in that: described fire retardant is at least one in phenoxy group end-blocking tetrabromobisphenol-A carbonic ether oligopolymer (as BC58), TDE and tetrabromo-bisphenol or is, at least one in phenoxy group end-blocking tetrabromobisphenol-A carbonic ether oligopolymer, TDE, tetrabromo-bisphenol and the compound of chlorinatedpolyethylene or antimonous oxide.
5. the fire retardation PC for electromagnetic shielding according to claim 1/ABS resin alloy material, is characterized in that: described toughner is one or more compounds that nucleocapsid structure class comprises in MBS terpolymer, butyl acrylate grafting ASA powder copolymer, nucleocapsid structure class methyl methacrylate-acrylate-silicone based toughner, ethylene-methyl acrylate-glyceryl methacrylate random terpolymer.
6. the fire retardation PC for electromagnetic shielding according to claim 1/ABS resin alloy material, is characterized in that: described conductive matrices be selected from conductive plastics, graphitized carbon black, conductive carbon fibres one or more.
7. the fire retardation PC for electromagnetic shielding according to claim 6/ABS resin alloy material, is characterized in that: described conductive plastics is the mixture of steel fiber-resin.
8. the fire retardation PC for electromagnetic shielding according to claim 1/ABS resin alloy material; it is characterized in that: described antioxidant is β-(3; 5-di-tert-butyl-hydroxy phenyl) the positive octadecanol ester of propionic acid, three [2.4-di-tert-butyl-phenyl] phosphorous acid ester (trade(brand)name 168), N; N'-pair-(3-(3; 5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine and 2, at least one in 6-di-tert-butyl-4-methy phenol.
9. the fire retardation PC for electromagnetic shielding according to claim 1/ABS resin alloy material, is characterized in that: described lubricant is at least one in ethylene bis stearamide, calcium stearate, tetrafluoroethylene, white oil, silicone oil.
10. prepare the method for ABS resin matrix material for the low cost according to any one of claim 1-8, stress crack resistant, it is characterized in that: comprise the following steps:
(1) by proportioning, PC resin, ABS resin, toughner, fire retardant, antioxidant, lubricant are put into high-speed mixer and mixed, rotating speed 1000 ~ 1500 r/min;
(2) heat, when making material temperature be warmed up to 60 ~ 80 DEG C, the rotating speed slowing down mixing machine continues mixing again, and rotating speed is 500 ~ 1000r/min, and when temperature reaches 100 ~ 120 DEG C, discharging obtains mixture;
(3) by mixture in an extruder extruding pelletization obtain product, forcing machine each section of temperature is 210 DEG C ~ 265 DEG C;
(4) product obtained in step (3) is mixed with conductive matrices normal temperature in high mixer, rotating speed 1000 ~ 1500r/min, time 30s.
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| CN106883574A (en) * | 2015-12-15 | 2017-06-23 | 上海杰事杰新材料(集团)股份有限公司 | High tenacity electromagnetic shielding makrolon material and its preparation method and application |
| CN106905677A (en) * | 2015-12-22 | 2017-06-30 | 上海杰事杰新材料(集团)股份有限公司 | Halogen-free flameproof electromagnetic shielding makrolon material and preparation method thereof |
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| CN107216636A (en) * | 2017-07-10 | 2017-09-29 | 芜湖扬展新材料科技服务有限公司 | A kind of preparation method of conductive fire retardation PC/abs polymer |
| CN108690338A (en) * | 2017-04-11 | 2018-10-23 | 合肥杰事杰新材料股份有限公司 | A kind of dedicated ABS/PC alloy materials of pit gear and preparation method thereof |
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| CN106883574A (en) * | 2015-12-15 | 2017-06-23 | 上海杰事杰新材料(集团)股份有限公司 | High tenacity electromagnetic shielding makrolon material and its preparation method and application |
| CN106905677A (en) * | 2015-12-22 | 2017-06-30 | 上海杰事杰新材料(集团)股份有限公司 | Halogen-free flameproof electromagnetic shielding makrolon material and preparation method thereof |
| CN105802176A (en) * | 2016-04-12 | 2016-07-27 | 东莞市奥能工程塑料有限公司 | PC (polycarbonate) composition, preparation method thereof and novel material |
| CN108690338A (en) * | 2017-04-11 | 2018-10-23 | 合肥杰事杰新材料股份有限公司 | A kind of dedicated ABS/PC alloy materials of pit gear and preparation method thereof |
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| CN107216636A (en) * | 2017-07-10 | 2017-09-29 | 芜湖扬展新材料科技服务有限公司 | A kind of preparation method of conductive fire retardation PC/abs polymer |
| CN111234497A (en) * | 2020-01-10 | 2020-06-05 | 金旸（厦门）新材料科技有限公司 | Cold-resistant metal texture spraying-free PC/ABS alloy for automotive interior and preparation method thereof |
| CN111363337A (en) * | 2020-04-15 | 2020-07-03 | 宁波保税区君一汽配科技有限公司 | Electromagnetic shielding PC/ABS alloy material |
| CN111363337B (en) * | 2020-04-15 | 2022-04-19 | 昆山新普发塑料有限公司 | Electromagnetic shielding PC/ABS alloy material |
| CN112341725A (en) * | 2020-11-24 | 2021-02-09 | 黄之蓝(上海)新材料科技有限公司 | Conductive ASA material and preparation method thereof |
| CN113402840A (en) * | 2021-07-02 | 2021-09-17 | 湖南国天电子科技有限公司 | Electromagnetic interference resistant shielding material for visibility meter and preparation method thereof |
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