CN104629331A - Low-temperature resistant PC/ABS alloy, and preparation method thereof - Google Patents
Low-temperature resistant PC/ABS alloy, and preparation method thereof Download PDFInfo
- Publication number
- CN104629331A CN104629331A CN201310546709.7A CN201310546709A CN104629331A CN 104629331 A CN104629331 A CN 104629331A CN 201310546709 A CN201310546709 A CN 201310546709A CN 104629331 A CN104629331 A CN 104629331A
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- Prior art keywords
- temperature resistant
- abs
- low temperature
- low
- compatilizer
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Classifications
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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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- 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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- C—CHEMISTRY; METALLURGY
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
Abstract
The invention discloses a low-temperature resistant PC/ABS alloy, and a preparation method thereof, and belongs to the technical field of high molecular materials. The low-temperature resistant PC/ABS alloy comprises following ingredients, by mass, 40 to 60% of PC, 20 to 40% of ABS, 2 to 8% of nano montmorillonite, 2 to 5% of MBS, 1 to 3% of POE-g-MAH, 0.5 to 2% of a high-temperature resistant modifier, 2 to 4% of a compatilizer, 0.1 to 0.5% of an antioxidant, and 0.1 to 1% of a lubricant. Beneficial effects of the low-temperature resistant PC/ABS alloy are that: the low-temperature resistant PC/ABS alloy possesses advantages of PC and ABS, and excellent mechanical strength and low-temperature resistance, and can be used normally at -40 DEG C.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of low temperature resistant PC/ABS and preparation method thereof.
Background technology
PC/ABS alloy (polycarbonate/acrylonitrile-butadiene-phenylethene copolymer) is a kind of important engineering plastics, it has the advantage of PC and ABS concurrently, the melt viscosity of PC can be reduced on the one hand, improve thermotolerance and the tensile strength of ABS on the other hand, minimizing goods internal stress and shock strength, to the susceptibility of products thickness, have excellent thermotolerance and mechanical property.Current PC/ABS alloy achieves in automotive industry and the department such as electric, office machinery, household electrical appliances, communication and applies widely.But PC/ABS alloy belongs to partially compatible system, there is the defects such as consistency is bad, toughness is not enough, resistance to low temperature is poor in simple PC/ABS alloy, thus carries out further modification to PC/ABS alloy necessary.
Summary of the invention
The object of the present invention is to provide that a kind of modified effect is good, the low temperature resistant PC/ABS of excellent in mechanical performance and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of low temperature resistant PC/ABS, and its component by mass percent proportioning is: PC 40% ~ 60%, ABS 20% ~ 40%, nano imvite 2% ~ 8%, MBS 2% ~ 5%, POE-g-MAH 1% ~ 3%, low temperature resistant modifying agent 0.5% ~ 2%, compatilizer 2% ~ 4%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described PC is bisphenol A polycarbonate, and its molecular weight is 17000 ~ 40000.
Described ABS is acrylonitrile-butadiene-styrene copolymer, and the mass percentage content of its each component is vinyl cyanide 10% ~ 40%, divinyl 5% ~ 25%, vinylbenzene 35% ~ 80%.
Described MBS is MBS, has the function of the toughness of raising macromolecular material, wear resistance, winter hardiness.
Described POE-g-MAH is maleic anhydride grafted ethene-octene copolymer.
Described low temperature resistant modifying agent is cryogenic vulcanization organo-silicone rubber (LTV).
Described compatilizer is ethylene-maleic acid-glycidyl methacrylate terpolymer (EMG) or styrene-maleic anhydride copolymer (SMA).
Described oxidation inhibitor is the compound of hindered phenol antioxygen 1010 or 1076 and phosphite antioxidant 168 1:2 in mass ratio.
Described lubricant is pentaerythritol stearate (PETS).
The preparation method of above-mentioned a kind of low temperature resistant PC/ABS, comprises the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by;
(2), dry PC and ABS is taken by weight ratio, add in high-speed mixer and stir 2 ~ 5 minutes, then add take by weight ratio nano imvite, MBS, POE-g-MAH, low temperature resistant modifying agent, compatilizer, oxidation inhibitor, lubricant, make to stir together 10 ~ 30 minutes and after Homogeneous phase mixing, discharging;
(3), the material of step (2) is added in twin screw extruder, extrudes after abundant melting blending at 230 DEG C ~ 255 DEG C, cooling granulation, obtain a kind of low temperature resistant PC/ABS of the present invention.
The invention has the beneficial effects as follows, a kind of low temperature resistant PC/ABS of the present invention, while PC and ABS separately advantage, has good mechanical strength and resistance to low temperature, normally can use under the low temperature of-40 DEG C.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
A kind of low temperature resistant PC/ABS, its component by mass percent proportioning is: compound 0.3%, the pentaerythritol stearate (PETS) 0.7% of PC 55%, ABS 27%, nano imvite 5%, MBS 5%, POE-g-MAH 2%, cryogenic vulcanization organo-silicone rubber (LTV) 2%, styrene-maleic anhydride copolymer (SMA) 3%, hindered phenol antioxygen 1010 and phosphite antioxidant 168 1:2 in mass ratio.Wherein, described PC is bisphenol A polycarbonate, and its molecular weight is 17000 ~ 40000; Described ABS is acrylonitrile-butadiene-styrene copolymer, and the mass percentage content of its each component is vinyl cyanide 10% ~ 40%, divinyl 5% ~ 25%, vinylbenzene 35% ~ 80%; Described MBS is MBS, has the function of the toughness of raising macromolecular material, wear resistance, winter hardiness; Described POE-g-MAH is maleic anhydride grafted ethene-octene copolymer.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by; (2), dry PC and ABS is taken by weight ratio, add in high-speed mixer and stir 2 ~ 5 minutes, then add take by weight ratio nano imvite, MBS, POE-g-MAH, cryogenic vulcanization organo-silicone rubber (LTV), styrene-maleic anhydride copolymer (SMA), hindered phenol antioxygen 1010 and phosphite antioxidant 168 1:2 in mass ratio compound, pentaerythritol stearate (PETS), make to stir together 10 ~ 30 minutes and after Homogeneous phase mixing, discharging; (3), the material of step (2) is added in twin screw extruder, extrudes after abundant melting blending at 230 DEG C ~ 255 DEG C, cooling granulation, obtain a kind of low temperature resistant PC/ABS of the present invention.
Claims (4)
1. low temperature resistant PC/ABS, it is characterized in that, its component by mass percent proportioning is: PC 40% ~ 60%, ABS 20% ~ 40%, nano imvite 2% ~ 8%, MBS 2% ~ 5%, POE-g-MAH 1% ~ 3%, low temperature resistant modifying agent 0.5% ~ 2%, compatilizer 2% ~ 4%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. a kind of low temperature resistant PC/ABS according to claim 1, is characterized in that, described low temperature resistant modifying agent is cryogenic vulcanization organo-silicone rubber (LTV).
3. a kind of low temperature resistant PC/ABS according to claim 1, is characterized in that, described compatilizer is ethylene-maleic acid-glycidyl methacrylate terpolymer (EMG) or styrene-maleic anhydride copolymer (SMA).
4. the preparation method of a kind of low temperature resistant PC/ABS according to claim 1, is characterized in that, comprise the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by;
(2), dry PC and ABS is taken by weight ratio, add in high-speed mixer and stir 2 ~ 5 minutes, then add take by weight ratio nano imvite, MBS, POE-g-MAH, low temperature resistant modifying agent, compatilizer, oxidation inhibitor, lubricant, make to stir together 10 ~ 30 minutes and after Homogeneous phase mixing, discharging;
(3), the material of step (2) is added in twin screw extruder, extrudes after abundant melting blending at 230 DEG C ~ 255 DEG C, cooling granulation, obtain a kind of low temperature resistant PC/ABS of the present invention.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310546709.7A CN104629331A (en) | 2013-11-07 | 2013-11-07 | Low-temperature resistant PC/ABS alloy, and preparation method thereof |
Applications Claiming Priority (1)
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CN201310546709.7A CN104629331A (en) | 2013-11-07 | 2013-11-07 | Low-temperature resistant PC/ABS alloy, and preparation method thereof |
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CN104629331A true CN104629331A (en) | 2015-05-20 |
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CN201310546709.7A Pending CN104629331A (en) | 2013-11-07 | 2013-11-07 | Low-temperature resistant PC/ABS alloy, and preparation method thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105504843A (en) * | 2016-01-12 | 2016-04-20 | 南昌工程学院 | Road asphalt pavement |
CN106589785A (en) * | 2016-12-31 | 2017-04-26 | 滁州晨润工贸有限公司 | Cold-resistant sheet suitable for in-mold laminating technology |
CN106674955A (en) * | 2016-12-10 | 2017-05-17 | 慈溪市国之光塑料有限公司 | PC/ABS (polycarbonate/acrylonitrile butadiene styrene) alloy and preparation process thereof |
-
2013
- 2013-11-07 CN CN201310546709.7A patent/CN104629331A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105504843A (en) * | 2016-01-12 | 2016-04-20 | 南昌工程学院 | Road asphalt pavement |
CN105504843B (en) * | 2016-01-12 | 2017-09-29 | 南昌工程学院 | A kind of asphalt highway |
CN106674955A (en) * | 2016-12-10 | 2017-05-17 | 慈溪市国之光塑料有限公司 | PC/ABS (polycarbonate/acrylonitrile butadiene styrene) alloy and preparation process thereof |
CN106589785A (en) * | 2016-12-31 | 2017-04-26 | 滁州晨润工贸有限公司 | Cold-resistant sheet suitable for in-mold laminating technology |
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Application publication date: 20150520 |