CN103724966A - Voltage-resistant, arc-resistant and high-impact-resistant PC (Polycarbonate)/ABS (Acrylonitrile Butadiene Styrene) alloy as well as preparing method and application thereof - Google Patents

Voltage-resistant, arc-resistant and high-impact-resistant PC (Polycarbonate)/ABS (Acrylonitrile Butadiene Styrene) alloy as well as preparing method and application thereof Download PDF

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Publication number
CN103724966A
CN103724966A CN201310692215.XA CN201310692215A CN103724966A CN 103724966 A CN103724966 A CN 103724966A CN 201310692215 A CN201310692215 A CN 201310692215A CN 103724966 A CN103724966 A CN 103724966A
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impact
resistance
resistant
abs
abs alloy
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林湖彬
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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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • 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
    • 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
    • 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
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • 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
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a voltage-resistant, arc-resistant and high-impact-resistant PC (Polycarbonate)/ABS (Acrylonitrile Butadiene Styrene) alloy. The PC /ABS alloy consists of an antioxidant B900, an ultraviolet absorbent UV329, a flexibilizer, a fire retardant HT-202M, an insulating agent 1, an insulating agent 2, ABS and PC. The voltage-resistant, arc-resistant and high-impact-resistant PC/ABS alloy has the excellent insulating properties of high impact resistance, wear resistance, high-voltage resistance, arc resistance and the like. The high-voltage resistance property of the product reaches 40MV/m, the arc resistance property reaches 535MV/m, and the surface resistivity is as high as 1019 ohm.m. The product cannot be easily broken down by high voltage and has excellent insulating properties. The voltage-resistant, arc-resistant and high impact-resistant PC/ABS alloy is particularly suitable for being applied to the manufacture of instrument and apparatus casings, aerospace vehicle interior trimmings, automobile interior trimmings, ship interior trimmings, electric appliance casings, exercise instruments and medical instruments.

Description

A kind of proof voltage high-impact of resistance to electric arc PC/ABS Alloy And Preparation Method and application
Technical field
The present invention relates to technical field of polymer materials, relate in particular to PC/ABS alloy field, be specifically related to a kind of proof voltage high-impact of resistance to electric arc PC/ABS Alloy And Preparation Method and application.
Background technology
Polycarbonate (PC) is the engineering plastics that a kind of over-all properties is superior, also be the fastest general engineering plastic of growth in recent years, there is excellent impelling strength, dimensional stability, electric insulating quality, creep resistant, weathering resistance, the advantages such as the transparency and nontoxicity, be widely used at present automobile, electric, building, office equipment, packing, sports equipment, the fields such as health care, along with deepening continuously of study on the modification, be extended to just rapidly aerospace, computer, the high-tech areas such as CD, but also there are some shortcomings in it, as easy generation static, easily aging, processing fluidity is poor, intensity is low, be easy to stress cracking, to breach, more responsive and wear resistance is good enough etc.
For strengthening the processing characteristics of product, conventionally can use polycarbonate and acrylonitrile-butadiene-phenylethylene multipolymer (ABS) to make PC/ABS alloy.But proof voltage, the arc performance of existing PC/ABS alloy surface are too low.When this material is used to produce precision instrument shell and component, electric appliance casing, insulating property can not reach the requirement of relevant industries standard, and the electronic component of interiors of products is very easily damaged by high-voltage arc punctures.
Summary of the invention
In view of this, one of object of the present invention is to provide the resistance to electric arc of a kind of proof voltage and shock proof PC/ABS alloy.
Another object of the present invention be to provide a kind of can large-scale promotion, improve the preparation method of above-mentioned PC/ABS alloy property.
Another object of the present invention is to provide a kind of application of above-mentioned PC/ABS alloy.
The proof voltage high-impact of a resistance to electric arc PC/ABS alloy, its composition of raw materials is comprised of each component of following weight part:
Oxidation inhibitor B900 0.3-0.5 part;
UV light absorber UV329 0.3-0.5 part;
Toughner 2-5 part;
Fireproofing agent HT-202M 12-15 part;
Insulating compound 1 2-4 part;
Insulating compound 2 0.3-0.5 parts;
ABS 5-15 part;
PC 60-80 part;
Described toughner is toughner S-2001; Described insulating compound 1 for UHMWPE full name be Ultra-high molecular weight PE, molecular weight is at more than 1,500,000 polyethylene; Described insulating compound 2 is SN3300.
In above-mentioned raw materials, PC and ABS can select commercially available prod to realize.
In above-mentioned raw materials, oxidation inhibitor B900 is commercially available prod, is a kind of high efficiency composition oxidation inhibitor that has long-acting oxidation inhibitor and high temperature process antioxidant effect concurrently.Tasteless, there are good light stability and remarkable look jail property, the feature of low volatility and high resistance extraction.Can improve in the present invention processing stability, the antioxidant property of PC/ABS alloy, thereby prevent that the aging of product is damaged, extend the work-ing life of product
Above-mentioned raw materials middle-ultraviolet lamp absorption agent UV329 can select any commercially available prod, is the Benzotriazole Ultraviolet Stabilizer that phenolic group replaces, and can be PC/ABS alloy of the present invention good Photostabilised protection is provided.It has maximum provide protection to polymkeric substance, and contributes to reduce color and luster, delays yellowing and the blocker rationality loss of energy simultaneously.With above-mentioned oxidation inhibitor B900 synergy, can significantly promote the ageing-resistant performance of PC/ABS alloy of the present invention, extend product work-ing life, and within the longer time, maintain the shock resistance of PC/ABS alloy.
Above-mentioned toughner is commercially available toughner S-2001, is a kind of efficient, weather resistant anti-impact modifier, and it is by methyl methacrylate, the polymkeric substance that vinylbenzene and organosilicon form.Different from common MBS type impact modifier, S2001 replaces the poor divinyl of weathering resistance with organosilicon, so it has splendid weathering resistance.
Above-mentioned fireproofing agent HT-202M is commercially available prod, is to take the fire retardant that nitrogen, phosphorus is main ignition-proof element, can meet the fire-retardant requirement that PC/ABS reaches UL94-V0 level (3.2mm).
Described insulating compound 2 SN3300 are commercially available prod, usually used as anti-dripping agent, use.In the present invention, molecular weight is that the UHMWPE of 200-220 ten thousand has stronger wear resistance and self-lubricating property, corrosion-resistant, impact-absorbing energy, low temperature resistant, health is nontoxic, be difficult for adhering to, be difficult for water suction, density is less.At present, there is not yet the insulating property that the described SN3300 of report and UHMWPE can promote PC/ABS alloy.But the inventor chances under study for action, SN3300 and UHMWPE are added in PC/ABS alloy jointly with specific ratio, can produce the insulating property that improve obtained PC/ABS alloy, but but the interpolation of the two makes PC/ABS alloy responsive to notch shock.Therefore the inventor, through design and checking for a long time, has added described S-2001 again in composition of raw materials, and three's synergistic makes the highest the supporting of the present invention be subject to 40MV/m voltage, and surface resistivity is up to 10 19Ω M, is difficult for being punctured by high-voltage arc in actual use; Meanwhile the breach shock resistance of prepared PC/ABS alloy also reaches 680J/M.
The preparation method of the above-mentioned a kind of proof voltage high-impact of resistance to electric arc PC/ABS alloy, it specifically comprises the steps: in above-mentioned raw materials ratio oxidation inhibitor B900, UV light absorber UV329, toughner, fireproofing agent HT-202M, insulating compound 1, insulating compound 2, ABS, PC packs into after being repeatedly uniformly mixed in stirrer and sends in twin screw extruder, melting mixing at the temperature of 150-290 ℃, gained melt is extruded by tank cooling by duplex forcing machine, introduce dicing machine and carry out pelletizing operation, gained pellet is the described proof voltage high-impact of resistance to electric arc PC/ABS alloy.
Described stirring repeatedly refers to stirs three times repeatedly, and each churning time is 40-70 minute.The rotating speed of described stirrer is 650-1300 rev/min.
Thereby the rotating speed that improves stirrer can make each feed composition mix and more fully obtain homogeneous product.But for some raw material, excessively slow stirring velocity is difficult to make it fully to mix, too high mixing speed easily causes the cracking of himself structure.The rotating speed of above-mentioned stirrer is the physical property of contriver's various feed composition according to the present invention and preferred, within the scope of this, can guarantee that each component of raw material can mix, and can effectively prevent raw material generation cracking again and loses efficacy.Described stirring repeatedly refers to and so just can in the situation that not increasing rotating speed, further promote the mixing of each feed composition by the mixing direction that alternately changes stirrer.Smelting temperature of the present invention is selected according to the character of all kinds of raw materials, and in this temperature range, all kinds of raw materials are all fusible is thoroughly able to abundant mixing, and Yin Wendu is too low and melting mixing is not thorough, and is difficult for because of excess Temperature cracking, rotten.Raw material only obtains abundant mixing combination, could act synergistically and obtain the high-quality performance that the present invention pursues.
The rotating speed of described duplex forcing machine is 250-600 rev/min.
Described melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 60-75 ℃.
Due to the different in kind of product, also each is inconsistent for its coolant water temperature.In general, the space that the water temperature in rising tank can be reduced between pellet makes it not easily broken, but too high water temperature will cause pellet bonding, affect product quality and outward appearance.Therefore in the present invention, designer designs above-mentioned tank water temperature range according to the character of the rotating speed of duplex forcing machine, melt, and moderate, the difficult bonding in product pellet of the present invention gap of producing in this temperature range, has good processing characteristics.
The rotating speed of described dicing machine is 600-900 rev/min.
Designer of the present invention finds in research practice; the too high meeting of dicing machine rotating speed makes the too small easily fracture in follow-up tie rod operation of pellet volume; it can be that pellet is loose that dicing machine rotating speed is crossed when slow, affects final pellet and also can strengthen the difficulty of processing in pellet application time attractive in appearance.And the pellet of each composition all has its suitable pellet size, for the present invention, the rotating speed of the dicing machine of 600-900 rev/min can farthest promote outward appearance and the processing characteristics of product of the present invention.
Every test to product shows, a kind of proof voltage high-impact of resistance to electric arc PC/ABS alloy of the present invention has the performance of the good insulation such as high-impact, wear-resisting, high voltage withstanding, resistance to electric arc, product withstand voltage properties reaches 40MV/m, and arc resistance can reach 535 MV/m, and surface resistivity is up to 10 19Ω M, is difficult for by high electrical breakdown, has good insulating property.Be particularly useful for the application in instrument shell, aerospacecraft inside gadget, automotive trim, boats and ships interior trim, electric appliance casing, sports equipment, medicine equipment manufacture.
Embodiment
For the ease of it will be appreciated by those skilled in the art that below in conjunction with embodiment, the present invention is described in further detail:
Embodiment 1
The proof voltage high-impact of a resistance to electric arc PC/ABS alloy, its composition of raw materials is comprised of each component of following weight part:
0.4 part of oxidation inhibitor B900;
0.33 part of UV light absorber UV329;
4.1 parts of toughner;
14.3 parts of fireproofing agent HT-202M;
1 3.7 parts of insulating compounds;
2 0.44 parts of insulating compounds;
7 parts of ABS;
75 parts of PC;
Described toughner is toughner S-2001; Described insulating compound 1 for UHMWPE full name be Ultra-high molecular weight PE, molecular weight is at more than 1,500,000 polyethylene, in the present invention, its molecular weight is 2,100,000; Described insulating compound 2 is SN3300.
Above-mentioned oxidation inhibitor B900, UV light absorber UV329, toughner, fireproofing agent HT-202M, insulating compound 1, insulating compound 2, ABS, PC all adopt commercially available prod.For strengthening product performance, each feed composition purity all should be high as far as possible.
The preparation method of the above-mentioned a kind of proof voltage high-impact of resistance to electric arc PC/ABS alloy; it specifically comprises the steps: in above-mentioned raw materials ratio, oxidation inhibitor B900, UV light absorber UV329, toughner, fireproofing agent HT-202M, insulating compound 1, insulating compound 2, ABS, PC to be packed into after being repeatedly uniformly mixed in stirrer and sent in twin screw extruder; melting mixing at the temperature of 200 ℃; gained melt is extruded by tank cooling by duplex forcing machine; introduce dicing machine and carry out pelletizing operation, gained pellet is the described proof voltage high-impact of resistance to electric arc PC/ABS alloy.
Described stirring repeatedly refers to stirs three times repeatedly, and each churning time is 60 minutes.
The rotating speed of described stirrer is 1000 revs/min.
The rotating speed of described duplex forcing machine is 460 revs/min.
Described melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 69 ℃.
The rotating speed of described dicing machine is 870 revs/min.
Adopt ASTM international standard to carry out its result of performance test to it product of the present embodiment as shown in table 1:
The performance test results of table 1 embodiment 1
Character Method Unit Data
Proportion ASTMD792 — 1.18
Mould shrinks ASTMD955 % 0.3-0.5
Unit elongation ASTMD638 % 80
Tensile strength (23 ℃) ASTMD638 Mpa 65
Flexural strength (23 ℃) ASTMD790 Mpa 105
Bending modulus (23 ℃) ASTMD790 Mpa 2950
Notched Izod impact strength (1/8 ") (23 ℃) ASTMD256 J/M 680
Heat-drawn wire ASTMD648 ℃ 142
Flame resistivity UL94 (1/8") V0
Drying temperature — ℃ 90
Time of drying — HR 4
Melt temperature — ℃ 150-290
Suggestion mould temperature — ℃ 50
Anti-UV grade — Level 4
From upper table and table 6, the proof voltage high-impact of the resistance to electric arc PC/ABS alloy that the present embodiment provides has stronger proof voltage, arc resistance energy, and surface resistivity is high, is difficult for by high electrical breakdown, has good insulating property.Simultaneously, the PC/ABS alloy of the present embodiment also shows outstanding anti-aging, shock resistance, is particularly useful for the application in instrument shell, aerospacecraft inside gadget, automotive trim, boats and ships interior trim, electric appliance casing, sports equipment, medicine equipment manufacture.
Embodiment 2
The proof voltage high-impact of a resistance to electric arc PC/ABS alloy, its composition of raw materials is comprised of each component of following weight part:
0.5 part of oxidation inhibitor B900;
0.3 part of UV light absorber UV329;
5 parts of toughner;
12 parts of fireproofing agent HT-202M;
14 parts of insulating compounds;
2 0.3 parts of insulating compounds;
15 parts of ABS;
60 parts of PC;
Described toughner is toughner S-2001; Described insulating compound 1 for UHMWPE full name be Ultra-high molecular weight PE, molecular weight is at more than 1,500,000 polyethylene, in the present invention, its molecular weight is 2,200,000; Described insulating compound 2 is SN3300.
Above-mentioned oxidation inhibitor B900, UV light absorber UV329, toughner, fireproofing agent HT-202M, insulating compound 1, insulating compound 2, ABS, PC all adopt commercially available prod.For strengthening product performance, each feed composition purity all should be high as far as possible.
The preparation method of the above-mentioned a kind of proof voltage high-impact of resistance to electric arc PC/ABS alloy; it specifically comprises the steps: in above-mentioned raw materials ratio, oxidation inhibitor B900, UV light absorber UV329, toughner, fireproofing agent HT-202M, insulating compound 1, insulating compound 2, ABS, PC to be packed into after being repeatedly uniformly mixed in stirrer and sent in twin screw extruder; melting mixing at the temperature of 150 ℃; gained melt is extruded by tank cooling by duplex forcing machine; introduce dicing machine and carry out pelletizing operation, gained pellet is the described proof voltage high-impact of resistance to electric arc PC/ABS alloy.
Described stirring repeatedly refers to stirs three times repeatedly, and each churning time is 70 minutes.
The rotating speed of described stirrer is 650 revs/min.
The rotating speed of described duplex forcing machine is 600 revs/min.
Described melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 60 ℃.
The rotating speed of described dicing machine is 900 revs/min.
Adopt ASTM international standard to carry out its result of performance test to it product of the present embodiment as shown in table 2:
The performance test results of table 2 embodiment 2
Character Method Unit Data
Proportion ASTMD792 — 1.18
Mould shrinks ASTMD955 % 0.3-0.5
Unit elongation ASTMD638 % 78
Tensile strength (23 ℃) ASTMD638 Mpa 66
Flexural strength (23 ℃) ASTMD790 Mpa 103
Bending modulus (23 ℃) ASTMD790 Mpa 2910
Notched Izod impact strength (1/8 ") (23 ℃) ASTMD256 J/M 660
Heat-drawn wire ASTMD648 ℃ 142
Flame resistivity UL94 (1/8") V0
Drying temperature — ℃ 90
Time of drying — HR 4
Melt temperature — ℃ 150-290
Suggestion mould temperature — ℃ 50
Anti-UV grade — Level 4
From upper table and table 6, the proof voltage high-impact of the resistance to electric arc PC/ABS alloy that the present embodiment provides has stronger proof voltage, arc resistance energy, and surface resistivity is high, is difficult for by high electrical breakdown, has good insulating property.Simultaneously, the PC/ABS alloy of the present embodiment also shows outstanding anti-aging, shock resistance, is particularly useful for the application in instrument shell, aerospacecraft inside gadget, automotive trim, boats and ships interior trim, electric appliance casing, sports equipment, medicine equipment manufacture.
Embodiment 3
The proof voltage high-impact of a resistance to electric arc PC/ABS alloy, its composition of raw materials is comprised of each component of following weight part:
0.3 part of oxidation inhibitor B900;
0.5 part of UV light absorber UV329;
2 parts of toughner;
15 parts of fireproofing agent HT-202M;
12 parts of insulating compounds;
2 0.5 parts of insulating compounds;
5 parts of ABS;
80 parts of PC;
Described toughner is toughner S-2001; Described insulating compound 1 for UHMWPE full name be Ultra-high molecular weight PE, molecular weight is at more than 1,500,000 polyethylene, in the present invention, its molecular weight is 2,000,000; Described insulating compound 2 is SN3300.
Above-mentioned oxidation inhibitor B900, UV light absorber UV329, toughner, fireproofing agent HT-202M, insulating compound 1, insulating compound 2, ABS, PC all adopt commercially available prod.For strengthening product performance, each feed composition purity all should be high as far as possible.
The preparation method of the above-mentioned a kind of proof voltage high-impact of resistance to electric arc PC/ABS alloy; it specifically comprises the steps: in above-mentioned raw materials ratio, oxidation inhibitor B900, UV light absorber UV329, toughner, fireproofing agent HT-202M, insulating compound 1, insulating compound 2, ABS, PC to be packed into after being repeatedly uniformly mixed in stirrer and sent in twin screw extruder; melting mixing at the temperature of 290 ℃; gained melt is extruded by tank cooling by duplex forcing machine; introduce dicing machine and carry out pelletizing operation, gained pellet is the described proof voltage high-impact of resistance to electric arc PC/ABS alloy.
Described stirring repeatedly refers to stirs three times repeatedly, and each churning time is 40 minutes.
The rotating speed of described stirrer is 1300 revs/min.
The rotating speed of described duplex forcing machine is 250 revs/min.
Described melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 75 ℃.
The rotating speed of described dicing machine is 600 revs/min.
Adopt ASTM international standard to carry out its result of performance test to it product of the present embodiment as shown in table 1:
The performance test results of table 3 embodiment 3
Character Method Unit Data
Proportion ASTMD792 — 1.18
Mould shrinks ASTMD955 % 0.3-0.5
Unit elongation ASTMD638 % 80
Tensile strength (23 ℃) ASTMD638 Mpa 66
Flexural strength (23 ℃) ASTMD790 Mpa 102
Bending modulus (23 ℃) ASTMD790 Mpa 2960
Notched Izod impact strength (1/8 ") (23 ℃) ASTMD256 J/M 650
Heat-drawn wire ASTMD648 ℃ 142
Flame resistivity UL94 (1/8") V0
Drying temperature — ℃ 90
Time of drying — HR 4
Melt temperature — ℃ 150-290
Suggestion mould temperature — ℃ 50
Anti-UV grade — Level 4
From upper table and table 7, the proof voltage high-impact of the resistance to electric arc PC/ABS alloy that the present embodiment provides has stronger proof voltage, arc resistance energy, and surface resistivity is high, is difficult for by high electrical breakdown, has good insulating property.Simultaneously, the PC/ABS alloy of the present embodiment also shows outstanding anti-aging, shock resistance, is particularly useful for the application in instrument shell, aerospacecraft inside gadget, automotive trim, boats and ships interior trim, electric appliance casing, sports equipment, medicine equipment manufacture.
Embodiment 4
The proof voltage high-impact of a resistance to electric arc PC/ABS alloy, its composition of raw materials is comprised of each component of following weight part:
0.45 part of oxidation inhibitor B900;
0.37 part of UV light absorber UV329;
2.1 parts of toughner;
15 parts of fireproofing agent HT-202M;
1 3.8 parts of insulating compounds;
2 0.41 parts of insulating compounds;
13 parts of ABS;
63 parts of PC;
Described toughner is toughner S-2001; Described insulating compound 1 for UHMWPE full name be Ultra-high molecular weight PE, molecular weight is at more than 1,500,000 polyethylene, in the present invention, its molecular weight is 2,100,000; Described insulating compound 2 is SN3300.
Above-mentioned oxidation inhibitor B900, UV light absorber UV329, toughner, fireproofing agent HT-202M, insulating compound 1, insulating compound 2, ABS, PC all adopt commercially available prod.For strengthening product performance, each feed composition purity all should be high as far as possible.
The preparation method of the above-mentioned a kind of proof voltage high-impact of resistance to electric arc PC/ABS alloy; it specifically comprises the steps: in above-mentioned raw materials ratio, oxidation inhibitor B900, UV light absorber UV329, toughner, fireproofing agent HT-202M, insulating compound 1, insulating compound 2, ABS, PC to be packed into after being repeatedly uniformly mixed in stirrer and sent in twin screw extruder; melting mixing at the temperature of 180 ℃; gained melt is extruded by tank cooling by duplex forcing machine; introduce dicing machine and carry out pelletizing operation, gained pellet is the described proof voltage high-impact of resistance to electric arc PC/ABS alloy.
Described stirring repeatedly refers to stirs three times repeatedly, and each churning time is 60 minutes.
The rotating speed of described stirrer is 690 revs/min.
The rotating speed of described duplex forcing machine is 388 revs/min.
Described melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 73 ℃.
The rotating speed of described dicing machine is 730 revs/min.
Adopt ASTM international standard to carry out its result of performance test to it product of the present embodiment as shown in table 4:
The performance test results of table 4 embodiment 4
Character Method Unit Data
Proportion ASTMD792 — 1.18
Mould shrinks ASTMD955 % 0.3-0.5
Unit elongation ASTMD638 % 71
Tensile strength (23 ℃) ASTMD638 Mpa 62
Flexural strength (23 ℃) ASTMD790 Mpa 100
Bending modulus (23 ℃) ASTMD790 Mpa 2900
Notched Izod impact strength (1/8 ") (23 ℃) ASTMD256 J/M 640
Heat-drawn wire ASTMD648 ℃ 142
Flame resistivity UL94 (1/8") V0
Drying temperature — ℃ 90
Time of drying — HR 4
Melt temperature — ℃ 150-290
Suggestion mould temperature — ℃ 50
Anti-UV grade — Level 4
From upper table and table 7, the proof voltage high-impact of the resistance to electric arc PC/ABS alloy that the present embodiment provides has stronger proof voltage, arc resistance energy, and surface resistivity is high, is difficult for by high electrical breakdown, has good insulating property.Simultaneously, the PC/ABS alloy of the present embodiment also shows outstanding anti-aging, shock resistance, is particularly useful for the application in instrument shell, aerospacecraft inside gadget, automotive trim, boats and ships interior trim, electric appliance casing, sports equipment, medicine equipment manufacture.
Comparative example 1
This comparative example provides a kind of PC/ABS alloy, and its composition of raw materials comprises following weight part
0.37 part of UV light absorber UV329;
5 parts of UHMWPE;
10 parts of SN3300;
30 parts of ABS;
90 parts of PC;
Adopt ASTM international standard to carry out its result of performance test to it product of the present embodiment as shown in table 5:
The performance test results of table 5 embodiment 5
Character Method Unit Data
Proportion ASTMD792 — 1.18
Mould shrinks ASTMD955 % 0.3-0.5
Unit elongation ASTMD638 % 55
Tensile strength (23 ℃) ASTMD638 Mpa 51
Flexural strength (23 ℃) ASTMD790 Mpa 60
Bending modulus (23 ℃) ASTMD790 Mpa 2100
Notched Izod impact strength (1/8 ") (23 ℃) ASTMD256 J/M 400
Heat-drawn wire ASTMD648 ℃ 142
Flame resistivity UL94 (1/8") V0
Drying temperature — ℃ 90
Time of drying — HR 4
Melt temperature — ℃ 150-290
Suggestion mould temperature — ℃ 50
Anti-UV grade — Level 4
Comparative example 2
This comparative example provides a kind of PC/ABS alloy, and its composition of raw materials comprises following weight part
0.37 part of UV light absorber UV329;
20 parts of SN3300;
30 parts of ABS;
90 parts of PC;
Adopt ASTM international standard to carry out its result of performance test to it product of the present embodiment as shown in table 6:
The performance test results of table 6 embodiment 6
Character Method Unit Data
Proportion ASTMD792 — 1.18
Mould shrinks ASTMD955 % 0.3-0.5
Unit elongation ASTMD638 % 71
Tensile strength (23 ℃) ASTMD638 Mpa 67
Flexural strength (23 ℃) ASTMD790 Mpa 88
Bending modulus (23 ℃) ASTMD790 Mpa 2700
Notched Izod impact strength (1/8 ") (23 ℃) ASTMD256 J/M 600
Heat-drawn wire ASTMD648 ℃ 142
Flame resistivity UL94 (1/8") V0
Drying temperature — ℃ 90
Time of drying — HR 4
Melt temperature — ℃ 150-290
Suggestion mould temperature — ℃ 50
Anti-UV grade — Level 4
The proof voltage high-impact of the resistance to electric arc PC/ABS alloy performance test result of table 7 embodiment 1-comparative example 2
Withstand voltage properties Method Unit Data
Embodiment 1 IEC/60243-1 MV/m 40
Embodiment 2 IEC/60243-1 MV/m 35
Embodiment 3 IEC/60243-1 MV/m 37
Embodiment 4 IEC/60243-1 MV/m 33
Comparative example 1 IEC/60243-1 MV/m 30
Comparative example 2 IEC/60243-1 MV/m 20
Arc resistance energy Method Unit Data
Embodiment 1 IEC/60112 MV/m 535
Embodiment 2 IEC/60112 MV/m 520
Embodiment 3 IEC/60112 MV/m 510
Embodiment 4 IEC/60112 MV/m 530
Comparative example 1 IEC/60112 MV/m 410
Comparative example 2 IEC/60112 MV/m 247
Surface resistivity Method Unit Data
Embodiment 1 IEC/60093 Ω·M 10 19
Embodiment 2 IEC/60093 Ω·M 10 18
Embodiment 3 IEC/600093 Ω·M 10 18
Embodiment 4 IEC/60093 Ω·M 10 18
Comparative example 1 IEC/60093 Ω·M 10 15
Comparative example 2 IEC/600093 Ω·M 10 11
Be more than wherein specific implementation of the present invention, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these apparent replacement forms all belong to protection scope of the present invention.

Claims (9)

1. the proof voltage high-impact of a resistance to electric arc PC/ABS alloy, its composition of raw materials is comprised of each component of following weight part:
Oxidation inhibitor B900 0.3-0.5 part;
UV light absorber UV329 0.3-0.5 part;
Toughner 2-5 part;
Fireproofing agent HT-202M 12-15 part;
Insulating compound 1 2-4 part;
Insulating compound 2 0.3-0.5 parts;
ABS 5-15 part;
PC 60-80 part;
Described toughner is toughner S-2001; Described insulating compound 1 for UHMWPE full name be Ultra-high molecular weight PE, molecular weight is at more than 1,500,000 polyethylene; Described insulating compound 2 is SN3300.
2. a kind of preparation method of the proof voltage high-impact of resistance to electric arc PC/ABS alloy described in a claim 1, it specifically comprises the steps: according to ratio claimed in claim 1 oxidation inhibitor B900, UV light absorber UV329, toughner, fireproofing agent HT-202M, insulating compound 1, insulating compound 2, ABS, PC packs into after being repeatedly uniformly mixed in stirrer and sends in twin screw extruder, melting mixing at the temperature of 150-290 ℃, gained melt is extruded by tank cooling by duplex forcing machine, introduce dicing machine and carry out pelletizing operation, gained pellet is the described proof voltage high-impact of resistance to electric arc PC/ABS alloy.
3. the preparation method of the proof voltage high-impact of resistance to electric arc PC/ABS alloy according to claim 2, is characterized in that: described stirring repeatedly refers to stirs three times repeatedly, and each churning time is 40-70 minute.
4. the preparation method of the proof voltage high-impact of resistance to electric arc PC/ABS alloy according to claim 2, is characterized in that: the rotating speed of described stirrer is 650-1300 rev/min.
5. the preparation method of the proof voltage high-impact of resistance to electric arc PC/ABS alloy according to claim 2, is characterized in that: the rotating speed of described duplex forcing machine is 250-600 rev/min.
6. the preparation method of the proof voltage high-impact of resistance to electric arc PC/ABS alloy according to claim 2, is characterized in that: described melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 60-75 ℃.
7. the preparation method of the proof voltage high-impact of resistance to electric arc PC/ABS alloy according to claim 2, is characterized in that: the rotating speed of described dicing machine is 600-900 rev/min.
8. the application of the proof voltage high-impact of resistance to electric arc PC/ABS alloy claimed in claim 1 in meter case, aerospacecraft interior trim, automotive trim, boats and ships interior trim, electric appliance casing are manufactured.
9. the proof voltage high-impact of resistance to electric arc PC/ABS alloy according to claim 1, is characterized in that: the molecular weight of described UHMWPE is 200-220 ten thousand.
CN201310692215.XA 2013-12-14 2013-12-14 Voltage-resistant, arc-resistant and high-impact-resistant PC (Polycarbonate)/ABS (Acrylonitrile Butadiene Styrene) alloy as well as preparing method and application thereof Pending CN103724966A (en)

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CN104788879A (en) * 2015-04-09 2015-07-22 茂泰(福建)鞋材有限公司 Electric-shock-resistant rubber sole and preparation method thereof
CN109666241A (en) * 2018-12-07 2019-04-23 厦门德丰行塑胶工业有限公司 A kind of high durable antistatic ABS material and preparation method thereof
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CN1428369A (en) * 2001-12-28 2003-07-09 阎镇达 Ultra-high molecular weight polyethylene three-component blend and its preparation method
CN102165003A (en) * 2008-09-30 2011-08-24 Ntn株式会社 Electrically conductive polyethylene resin composition, electrically conductive polyethylene resin molding, sliding bearing and sliding sheet
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CN104513469A (en) * 2014-11-26 2015-04-15 苏州新区佳合塑胶有限公司 Antistatic antibacterial PC (polycarbonate)/ABS (acrylonitrile-butadiene-styrene copolymer) composite material
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CN109777064B (en) * 2017-11-14 2021-07-23 万华化学集团股份有限公司 Extrusion-grade polycarbonate alloy material and preparation method and application thereof
CN109666241A (en) * 2018-12-07 2019-04-23 厦门德丰行塑胶工业有限公司 A kind of high durable antistatic ABS material and preparation method thereof
CN109666241B (en) * 2018-12-07 2021-07-30 厦门德丰行塑胶工业有限公司 High-weather-resistance antistatic ABS material and preparation method thereof

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