CN102585468A - Highly heat-resisting flame-retardant antistatic PC (polycarbonate)/ABS (Acrylonitrile Butadiene Styrene) alloy material and preparation method thereof - Google Patents
Highly heat-resisting flame-retardant antistatic PC (polycarbonate)/ABS (Acrylonitrile Butadiene Styrene) alloy material and preparation method thereof Download PDFInfo
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- CN102585468A CN102585468A CN2011100020590A CN201110002059A CN102585468A CN 102585468 A CN102585468 A CN 102585468A CN 2011100020590 A CN2011100020590 A CN 2011100020590A CN 201110002059 A CN201110002059 A CN 201110002059A CN 102585468 A CN102585468 A CN 102585468A
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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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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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
- B29C48/03—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
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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
- B29C48/36—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
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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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- 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
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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
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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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
- 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
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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
- 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
Abstract
The invention belongs to the technical field of alloy materials and discloses a highly heat-resisting flame-retardant antistatic PC (polycarbonate)/ABS (Acrylonitrile Butadiene Styrene) alloy material and a preparation method thereof. The highly heat-resisting flame-retardant antistatic PC/ABS alloy material comprises the following components by weight part: 1 to 10 parts of ABS resin, 80 to 90 parts of PC resin, 7 to 10 parts of flame retardant, 1 to 10 parts of toughening agent, 0.02 to 0.5 part of antistatic agent, 0.1 to 1 part of photo-thermal stabilizing agent, and 0.1 to 1 part of processing assistants. The preparation method of the alloy material comprises the following steps:1 to 10 parts of ABS resin, 80 to 90 parts of PC resin, 0.02 to 0.5 part of antistatic agent, 7 to 10 parts of flame retardant, 1 to 10 part of toughening agent, 0.1 to 1 part of photo-thermal stabilizing agent, and 0.1 to 1 part of other processing assistants are sent into a double-screw extruder after being mixed, and then are subjected to compounding, extruding, strip drawing, cooling and palletizing, so as to obtain the finished product. The highly heat-resisting flame-retardant antistatic PC/ABS alloy material has the advantages that the process is simple and continuous, the production efficiency is high, and the product quality is stable.
Description
Technical field
The invention belongs to technical field of alloy material, be specifically related to a kind of high-temp resistant fire-retarding antistatic PC/ABS alloy material and preparation method thereof.
Background technology
PC/ABS (blend of polycarbonate and acrylonitrile-butadiene-styrene copolymer) resin is a kind of alloy material of excellent property; Good physical and mechanical property, surface hardness, higher intensity and flowability are arranged; But it is relatively poor that its shortcoming is a flame retardant properties; And very high electrical insulating property is arranged, improve its performance so will in the PC/ABS alloy, add various properties-correcting agent at present.The higher insulativity of polymkeric substance itself makes static be not easy to disappear from charged plastics; Can produce and be bonded on the plastic prod such as dust; Give user or operator's electric shock of this product; Therefore telltale or IC chip malfunction or the like need be carried out the necessary plastic tape electrostatic research that prevents, antistatic material commonly used in the market mainly is in material, to add some low-molecular-weight static inhibitor; The main lower-molecular substance that relies on is separated out to material surface formation hydrophilic layer generation antistatic effect; But it is short that its main drawback is antistatic time, and not water-fast washing promptly can lose antistatic effect in the short period of time; And some permanent antistatic agents in the market use additions big (generally in 20% left and right sides competence exertion effect), all can affect to aspects such as the mechanics of material and resistance toheats like this.
Summary of the invention
In order to overcome the above-mentioned defective that has technology to exist now, the purpose of this invention is to provide a kind of high-temp resistant fire-retarding antistatic PC/ABS alloy material.
Another object of the present invention provides the preparation method of a kind of above-mentioned high-temp resistant fire-retarding antistatic PC/ABS alloy material.
Technical scheme of the present invention is following:
The invention provides a kind of high-temp resistant fire-retarding antistatic PC/ABS alloy material, this alloy material comprises following component and weight part:
ABS resinoid 1-10 part,
PC resinoid 80-90 part,
Fire retardant 7-10 part,
Toughner 1-10 part,
Static inhibitor 0.02-0.5 part,
Optothermal stabilizer 0.1-1 part,
Processing aid 0.1-1 part.
Described ABS resinoid is selected from one or more the mixture in acrylonitrile-butadiene-phenylethene grafted copolymer (ABS), vinyl cyanide-ethylene, propylene elastomerics-phenylethene grafted copolymer (ABS), acrylonitrile-styrene-acrylic terpolymer (ASA) or the TEB 3K-butadiene-styrene graft copolymer (MBS).
Described PC resinoid is that specific density is 1.20g/cm
3, melt temperature is 220-230 ℃ medium viscosity polycarbonate or HV polycarbonate a kind of or two kinds mixture.
Described fire retardant is selected from one or more the mixture in TDE, brominated triazine based flame retardant or the brominated epoxy resin.
It is that nuclear, vinylbenzene and TEB 3K are one or several the mixture in serial impact modifier (MBS), acrylic ester impact-resisting modifier (ACR), styrene-butadiene-styrene block copolymer (SBS), thermoplastic elastomer or the Zylox of the nucleocapsid structure of shell mutually that described toughner is selected from divinyl rubber.
Described static inhibitor is selected from one or both the mixture in SWCN or the multi-walled carbon nano-tubes.
Described optothermal stabilizer is selected from one or more the mixture in silicate, phosphite ester kind antioxidant, hindered amine or the hindered phenol of mineral acid lead salt, organic acid lead salt, metal soap thermal stabilizers, organic tin thermo-stabilizer, phosphorous acid diphenyl ester, triphenyl phosphite, alkali-metal silicate, earth alkali metal; Preferred Hinered phenols antioxidant (Irganox1076) or phosphite ester kind antioxidant (Irganox168).
Described processing aid is selected from a kind of in lubricant or the Antidrip agent; Wherein, Lubricant is selected from solid paraffin, whiteruss, low molecular weight polyethylene, stearic amide, methylene bis stearic amide or N, the mixture of one or more in the N-ethylene bis stearic acid amide (EBS) etc.; Antidrip agent is the fluorinated polymkeric substance, like polytetrafluoroethylene (PTFE) etc.
The present invention also provides the preparation method of a kind of above-mentioned high-temp resistant fire-retarding antistatic PC/ABS alloy material, and this method may further comprise the steps:
With 1～10 part of ABS resin, 80～90 parts of PC resins, 0.02～0.5 part of static inhibitor, 7～10 parts of fire retardants, 1～10 part of toughner, 0.1～1 part of optothermal stabilizer and 0.1～1 part of other processing aid; Send into after the mixing in the twin screw extruder, mixing, extrude, tie rod, cooling, pelletizing, acquisition finished product.
Described twin screw extruder, each section extruder temperature are 220-260 ℃, and screw speed is 100-500 rev/min.
The present invention compares with prior art, has following advantage and beneficial effect:
1, the good environmental-friendly fire-retardant PC/ABS alloy material of the heat-resisting static resistance of height of the present invention adopts the preparation of twin screw expressing technique, have flow process simple, continuously, the advantage of high, the constant product quality of production efficiency.
2, flame-retardant and anti-static PC/ABS alloy material of the present invention; Adopt the preparation of twin screw expressing technique, have flow process simple, continuously, the advantage of high, the constant product quality of production efficiency, simultaneously except that antistatic property, flame retardant properties are good; Influence other performances of material hardly; Characteristics such as the shock strength of material is high, outward appearance is good, chemical resistant properties good, machine-shaping is good, emphasis is the excellent heat resistance of alloy material, meets environmental regulation; It is very strict to can be used for the various heat resisting temperatures of injection moulding, and needs the electronic apparatus and the household appliances temperature controller shell of antistatic occasion.
3, the present invention has sought a kind of carbon nanotube and suitable environmental protection halogenated flame retardant; Carbon nanotube can reach more excellent antistatic effect under less addition; All smaller to the influence of aspects such as the flame retardant resistance of material and mechanical property simultaneously; Especially it should be noted that the Good Heat-resistance of material, can be used for envrionment temperature is required very harsh occasion.
Embodiment
Below in conjunction with embodiment the present invention is further described.
The prepared good environmental-friendly fire-retardant PC/ABS alloy material physicals testing standard of high heat-resisting static resistance of the present invention is seen table 1.
Table 1
| Physicals | Testing method |
| The molten finger | ASTM?D128 |
| Tensile strength | ASTM?D638 |
| Flexural strength | ASTM?D790 |
| Modulus in flexure | ASTM?D790 |
| The Izod notched Izod impact strength | ASTM?D256 |
| Surface resistivity | GB/T?1410 |
| Vicat softening point | ASTM?D1525 |
| Flame retardant resistance | UL?94 |
ABS resin is 750 of a Daqing petrochemical, is acrylonitrile-butadiene-phenylethene grafted copolymer.
The PC resin is the IR2200 of Japanese bright dipping, is polycarbonate, and specific density is 1.20g/cm
3, melt temperature is 220-230 ℃ a medium viscosity polycarbonate.
The static inhibitor carbon nanotube is homemade multi-walled carbon nano-tubes, and is commercially available.
Fire retardant is homemade brominated triazine based flame retardant (FR-245), and is commercially available.
Toughner is the MBS class toughner of ROHM AND HAAS.
Optothermal stabilizer is Hinered phenols antioxidant (Irganox1076 of CIBA) and phosphite ester kind antioxidant (Irganox168 of CIBA) (weight ratio 1076: 168=1: 2).
Processing aid is homemade EBS, and is commercially available.
Processing aid is tetrafluoroethylene (PTFE-A3800 of Mitsubishi).
Embodiment 1
With 750,90 parts of PCIR2200 of 1 part of ABS grand celebration, 7 parts of fire-retardant FR-2s 45; 0.02 part multi-walled carbon nano-tubes, 2 parts of MBS class toughner, 0.3 part of optothermal stabilizer (1076: 168=1: 2) and 0.8 part of processing aid (0.5 part of EBS and 0.3 part of PTFE-A3800) mix through high-speed stirring; Said mixture is sent in the twin screw extruder, under the conveying and shearing action of screw rod, fully fusing, compound; Again through head extrude, tie rod, cooling, pelletizing, pack at last.
Each section of twin screw extruder extruder temperature is controlled between 230-250 ℃, and screw speed is 400 rev/mins.
The mixture of preparation is injection molded into the standard batten of testing usefulness by standard size, and The performance test results is as shown in table 2.
Embodiment 2
With 750,85 parts of PCIR2200 of 5 parts of ABS grand celebrations, 8 parts of fire-retardant FR-2s 45; 0.1 part multi-walled carbon nano-tubes, 8 parts of MBS class toughner, 0.3 part of optothermal stabilizer (1076: 168=1: 2) and 0.8 part of processing aid (0.5 part of EBS and 0.3 part of PTFE-A3800) mix through high-speed stirring; Said mixture is sent in the twin screw extruder, under the conveying and shearing action of screw rod, fully fusing, compound; Again through head extrude, tie rod, cooling, pelletizing, pack at last.
Each section of twin screw extruder extruder temperature is controlled between 230-250 ℃, and screw speed is 400 rev/mins.
The mixture of preparation is injection molded into the standard batten of testing usefulness by standard size, and The performance test results is as shown in table 2.
Embodiment 3
With 750,80 parts of PCIR2200 of 10 parts of ABS grand celebrations, 9 parts of fire-retardant FR-2s 45; 0.5 part multi-walled carbon nano-tubes, 2 parts of MBS class toughner, 0.3 part of optothermal stabilizer (1076: 168=1: 2) and 0.8 part of processing aid (0.5 part of EBS and 0.3 part of PTFE-A3800) mix through high-speed stirring; Said mixture is sent in the twin screw extruder, under the conveying and shearing action of screw rod, fully fusing, compound; Again through head extrude, tie rod, cooling, pelletizing, pack at last.
Each section of twin screw extruder extruder temperature is controlled between 230-250 ℃, and screw speed is 400 rev/mins.
The mixture of preparation is injection molded into the standard batten of testing usefulness by standard size, and The performance test results is as shown in table 2.
Table 2
The above-mentioned description to embodiment is can understand and use the present invention for ease of this technical field volume those of ordinary skill; The personnel of skilled obviously can make various modifications to these embodiment at an easy rate, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art should be within protection scope of the present invention for improvement and modification that the present invention makes according to announcement of the present invention.
Claims (10)
1. high-temp resistant fire-retarding antistatic PC/ABS alloy material, it is characterized in that: this alloy material comprises following component and weight part,
ABS resinoid 1-10 part,
PC resinoid 80-90 part,
Fire retardant 7-10 part,
Toughner 1-10 part,
Static inhibitor 0.02-0.5 part,
Optothermal stabilizer 0.1-1 part,
Processing aid 0.1-1 part.
2. a kind of high-temp resistant fire-retarding antistatic PC according to claim 1/ABS alloy material is characterized in that: described ABS resinoid is selected from one or more the mixture in acrylonitrile-butadiene-phenylethene grafted copolymer, vinyl cyanide-ethylene, propylene elastomerics-phenylethene grafted copolymer, acrylonitrile-styrene-acrylic terpolymer or the TEB 3K-butadiene-styrene graft copolymer.
3. a kind of high-temp resistant fire-retarding antistatic PC according to claim 1/ABS alloy material is characterized in that: described PC resinoid is that specific density is 1.20g/cm3
,Melt temperature is 220-230 ℃ medium viscosity polycarbonate or HV polycarbonate a kind of or two kinds mixture.
4. a kind of high-temp resistant fire-retarding antistatic PC according to claim 1/ABS alloy material is characterized in that: described fire retardant is selected from one or more the mixture in TDE, brominated triazine based flame retardant or the brominated epoxy resin.
5. a kind of high-temp resistant fire-retarding antistatic PC according to claim 1/ABS alloy material is characterized in that: it is that nuclear, vinylbenzene and TEB 3K are one or several the mixture in serial impact modifier, acrylic ester impact-resisting modifier, styrene-butadiene-styrene block copolymer, thermoplastic elastomer or the Zylox of nucleocapsid structure of shell mutually that described toughner is selected from divinyl rubber.
6. a kind of high-temp resistant fire-retarding antistatic PC according to claim 1/ABS alloy material is characterized in that: described static inhibitor is selected from one or both the mixture in SWCN or the multi-walled carbon nano-tubes.
7. a kind of high-temp resistant fire-retarding antistatic PC according to claim 1/ABS alloy material is characterized in that: described optothermal stabilizer is selected from one or more the mixture in silicate, hindered amine or the hindered phenol of mineral acid lead salt, organic acid lead salt, metal soap thermal stabilizers, organic tin thermo-stabilizer, phosphorous acid diphenyl ester, triphenyl phosphite, alkali-metal silicate, earth alkali metal.
8. a kind of high-temp resistant fire-retarding antistatic PC according to claim 1/ABS alloy material; It is characterized in that: described processing aid is selected from a kind of in lubricant or the Antidrip agent; Wherein, Lubricant is selected from solid paraffin, whiteruss, low molecular weight polyethylene, stearic amide, methylene bis stearic amide or N, the mixture of one or more in the N-ethylene bis stearic acid amide; Antidrip agent is the fluorinated polymkeric substance.
9. the preparation method of the arbitrary described a kind of high-temp resistant fire-retarding antistatic PC of claim 1 to 8/ABS alloy material, it is characterized in that: this method may further comprise the steps,
With 1～10 part of ABS resin, 80～90 parts of PC resins, 0.02～0.5 part of static inhibitor, 7～10 parts of fire retardants, 1～10 part of toughner, 0.1～1 part of optothermal stabilizer and 0.1～1 part of other processing aid; Send into after the mixing in the twin screw extruder, mixing, extrude, tie rod, cooling, pelletizing, acquisition finished product.
10. the preparation method of a kind of high-temp resistant fire-retarding antistatic PC according to claim 9/ABS alloy material, it is characterized in that: described twin screw extruder, each section extruder temperature are 220-260 ℃, screw speed is 100-500 rev/min.
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