CN100549087C - PC terpolymer resin/polybutylene terephthalate alloy material - Google Patents
PC terpolymer resin/polybutylene terephthalate alloy material Download PDFInfo
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- CN100549087C CN100549087C CNB200510026716XA CN200510026716A CN100549087C CN 100549087 C CN100549087 C CN 100549087C CN B200510026716X A CNB200510026716X A CN B200510026716XA CN 200510026716 A CN200510026716 A CN 200510026716A CN 100549087 C CN100549087 C CN 100549087C
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Abstract
The present invention relates to polycarbonate/acrylonitrile-butadiene-styrene ternary copolymerized resin ABS/ polybutylene terephthalate PBT alloy material, is a kind of alloy material of being made up of PC, ABS, PBT and expanding material more specifically.And the preparation method of this alloy material.Alloy material of the present invention, its composition is by weight percentage: PC 40%-70%, ABS 40%-70%, PBT 5%-10%, expanding material 3%-10%, oxidation inhibitor 0.2%-2.0%, more than the weight percent sum of each component be 100%.Wherein, described expanding material is the ABS resin of modified by maleic acid anhydride graft; Its preparation method of alloy material of the present invention is to place twin screw extruder through melt extruding granulation PC, ABS, PBT, expanding material and antioxidant mixture.This matrix material has characteristics such as preparation technology is simple, cost is low, notched Izod impact strength is high, dimensional stability is good, fine heat-resisting performance, simultaneously again can and metal between have good adhesion.
Description
Technical field
The present invention relates to polycarbonate (PC)/acrylonitrile-butadiene-styrene ternary copolymerized resin ABS/ polybutylene terephthalate (PBT) alloy material, is a kind of alloy material of being made up of PC, ABS, PBT and expanding material more specifically.And the preparation method of this alloy material.
Background technology
Polycarbonate has outstanding impelling strength, the transparency and dimensional stability, good physical strength, electrical insulating property, the use temperature wide ranges, good creep resistant, weathering resistance, low water absorbable, nontoxicity, self-extinguishing are a kind of engineering plastics of high comprehensive performance.Because therefore more such excellent properties that it possessed have been widely used in every field such as automobile, electronic apparatus, aviation.Yet single it also exists simultaneously, and melt viscosity is big with regard to pure PC resin, and forming process is poor, and some shortcomings such as stress cracking take place easily.For this reason, people have carried out a series of modification work to it.Adopt the technology of alloying, by blend with PC resin and other thermoplastic resins, on the basis that guarantees original above-mentioned these the excellent performances of PC resin self, its some weak points are improved, therefore become a kind of means that are widely used.The PC/ABS alloy is adopted the earliest a kind of in the PC modified alloy technology.Compare with PC, the PC/ABS alloy has not only improved melt fluidity, formability and the stress cracking problem of material, and the electrodepositable and the aesthetic appearance of material also are improved.The PC/ABS alloy material that adopts this alloy technology to prepare is fit to be applied to the interior material of automobile very much, in particular as instrument panel bracket, cover plate, ventilation opening, loudspeaker grid, antifreeze plate, carriage and steering post sheath etc.Because in more such Application Areass, the thermotolerance and the toughness of the ABS resin material that tradition is used are all inferior than PC/ABS, therefore, traditional ABS resin is replaced by the latter gradually.Yet, to use more and more widely in these fields just because of the PC/ABS alloy, some new problems also occur thereupon.Therefore and be not suitable in the middle of the product that has metal insert in the middle of these problems, the binding property that typical problem is PC/ABS alloy material and metallic substance is relatively poor.
For this reason, it is similar to be necessary to develop a kind of other every characteristics and PC/ABS alloy material, simultaneously good with the bond properties of metallic substance novel alloy material.
Summary of the invention
The purpose of this invention is to provide a kind of PC/ABS/PBT alloy material, this material is when having the institute of PC/ABS alloy material inherent premium properties own, good with the bond properties of metallic substance, the object of the invention provides a kind of alloy material of being made up of PC resin, ABS, PBT resin and expanding material more specifically, and the preparation method of this kind alloy material.
For realizing the object of the invention, technical scheme of the present invention is a kind of PC terpolymer resin/polybutylene terephthalate alloy material, form by polycarbonate, acrylonitrile-butadiene-styrene ternary copolymerized resin ABS, polybutylene terephthalate PBT and oxidation inhibitor, expanding material, wherein, described expanding material is the ABS resin through modified by maleic acid anhydride graft, and its density is at 1.03-1.08g/cm
3, fusing point is at 180-190 ℃, be butadiene monomer unit content at 20%-50%, and extrude the acrylonitrile-butadiene-styrene terpolymer of modification, and the percentage of grafting of maleic anhydride is at 0.5-1.0% through maleic anhydride melt; A kind of in described oxidation inhibitor is at least triglycol two-3-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) vinyl cyanide, three (2, the 4-di-tert-butylphenol) phosphorous acid ester, each components based on weight percentage, for
PC 40％-70％
ABS 40％-70％
PBT 5％-10％
Expanding material 3%-10%
Oxidation inhibitor 0.2%-2.0%;
More than the weight percent sum of each component be 100%.
Can improve bond properties between PC/ABS alloy material and the metallic substance effectively by adjustment to the addition of PBT resin.And in the scope of above-mentioned amount, the every characteristic of other of this material is with by PC, and ABS, expanding material compound alloy material are basic identical.
Wherein, in the above-mentioned alloy material prescription, PC is any bisphenol A-type aromatic copolycarbonate: its density is at 1.19-1.21g/cm
3, fusing point is at 230-260 ℃.
Described ABS resin is that density is at 1.03-1.08g/cm
3, fusing point is at 180-190 ℃, and butadiene monomer unit content is at the acrylonitrile-butadiene-styrene terpolymer of 20-30%.Described PBT resin is a density 1.31～1.35,220～230 ℃ of fusing points, the polybutylene terephthalate of melt viscosity 0.3-1.0.
Described oxidation inhibitor triglycol is two-and the proportioning of 3-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) vinyl cyanide, three (2, the 4-di-tert-butylphenol) phosphorous acid ester is 1: 1.
The preparation method of described PC terpolymer resin/polybutylene terephthalate alloy material is as follows:
(1) takes by weighing raw material by weight ratio;
(2) PC, ABS, PBT, expanding material, oxidation inhibitor were done in super mixer mixed 3-5 minute;
(3) raw materials mixed is placed dual-screw-stem machine through melt extrude, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
The present invention has following superiority:
1, the present invention has used the expanding material of modified by maleic acid anhydride graft ABS resin as the PC/ABS/PBT alloy system, the notch shock excellent performance of obtained alloy material, and dimensional stability is good, Good Heat-resistance.
2, the prepared PC/ABS/PBT alloy material of the present invention is when guaranteeing the high notch shock performance of material, good dimensional stability and excellent heat resisting, and the adhesive property between material and the metal is greatly improved.
3, the preparation technology of the PC/AB S/PB T alloy material of the present invention's proposition is simple, cost is low.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
In embodiment and Comparative Examples composite-material formula, PC is any bisphenol A-type aromatic copolycarbonate: its density is at 1.19-1.21g/cm
3, fusing point is at 230-260 ℃; ABS resin is that density is at 1.03-1.08g/cm
3, fusing point is at 180-190 ℃, and butadiene monomer unit content is at the acrylonitrile-butadiene-styrene terpolymer of 20-30%; The PBT resin is a density 1.31～1.35,220～230 ℃ of fusing points, the polybutylene terephthalate of melt viscosity 0.3～1.0; Expanding material is the ABS resin through modified by maleic acid anhydride graft, and its density is at 1.03-1.08g/cm
3, fusing point is at 180-190 ℃, be butadiene monomer unit content at 20%-50%, and extrude the acrylonitrile-butadiene-styrene terpolymer of modification, and the percentage of grafting of maleic anhydride is at 0.5-1.0% through maleic anhydride melt; Antioxidant 3114 also can be oxidation inhibitor 245, is that Ciba company produces, and trade names are Irganox 245, chemical name be triglycol two-3-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) vinyl cyanide; Oxidation inhibitor 168 produces for Ciba company, and trade names are Irganox 168, and chemical name is three (2, the 4-di-tert-butylphenol) phosphorous acid ester.Extruding and pelletizing process is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Embodiment 1
With PC 40%, ABS resin 46.5%, PBT 3%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% are done in super mixer and were mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Embodiment 2
With PC 40%, ABS resin 42.5%, PBT 7%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% are done in super mixer and were mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Embodiment 3
With PC 40%, ABS resin 37.5%, PBT 12%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% are done in super mixer and were mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Embodiment 4
With PC 40%, ABS resin 34.5%, PBT 15%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% are done in super mixer and were mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Embodiment 5
With PC 40%, ABS resin 29.5%, PBT 20%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% are done in super mixer and were mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Embodiment 6
With PC 40%, ABS resin 42.5%, PBT 12%, the ABS resin 5% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% are done in super mixer and were mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Embodiment 7
With PC 40%, ABS resin 39.5%, PBT 12%, the ABS resin 8% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% are done in super mixer and were mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Embodiment 8
With PC 40%, ABS resin 34.5%, PBT 12%, the ABS resin 13% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% are done in super mixer and were mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Embodiment 9
With PC 20%, ABS resin 57.5%, PBT 12%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% are done in super mixer and were mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Embodiment 10
With PC 30%, ABS resin 47.5%, PBT 12%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% are done in super mixer and were mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Embodiment 11
With PC 50%, ABS resin 27.5%, PBT 12%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% are done in super mixer and were mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Embodiment 12
With PC 60%, ABS resin 17.5%, PBT 12%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% are done in super mixer and were mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Comparative Examples 1
With PC 20%, ABS resin 69.5%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% is done in super mixer and was mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Comparative Examples 2
With PC 30%, ABS resin 59.5%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% is done in super mixer and was mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Comparative Examples 3
With PC 40%, ABS resin 49.5%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% is done in super mixer and was mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Comparative Examples 4
With PC 50%, ABS resin 39.5%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% is done in super mixer and was mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Comparative Examples 5
With PC 60%, ABS resin 29.5%, the ABS resin 10% of modified by maleic acid anhydride graft, oxidation inhibitor 245 0.25%, oxidation inhibitor 168 0.25% is done in super mixer and was mixed 3-5 minute, afterwards, again in twin screw extruder through melt extruding granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Performance evaluation mode and implementation standard:
With the particulate material of finishing granulation as stated above in 90～100 ℃ convection oven dry 2～3 hours in advance, and then the particulate material that drying is good carried out the injection molding sample preparation on injection moulding machine.
Density measurement is undertaken by ISO-1183, and specimen size is 100*10*4mm; The tensile property test is undertaken by ISO 527-2, and specimen size is 150*10*4mm, and draw speed is 50mm/min; The bending property test is undertaken by ISO 178, and specimen size is 80*10*4mm, and rate of bending is 2mm/min, and span is 64mm; Simple beam impact strength is undertaken by ISO 179, and specimen size is 80*6*4mm, and notch depth is 1/3rd of a sample thickness; Heat-drawn wire is undertaken by ISO 75, and specimen size is 120*10*3.0mm, and load is 1.8MPa; Adhesive property between material and the metal is tested by customizing method, and concrete grammar is: alloy material and ferrous metal are carried out melt bondedly under the same process condition, bond area is 50mm*50mm, tests the size of stripping strength then.
Comprehensive mechanical performance is passed through density, the tensile strength of test gained, elongation at break, and the numerical value of modulus in flexure, heat-drawn wire and shock strength is passed judgment on; Bond properties between material and the metal numerical values recited of measuring is as stated above passed judgment on.
The prescription of embodiment 1-12 and Comparative Examples 1-5 and every The performance test results be each table as follows, wherein, and table 1 embodiment 1-5 prescription and material property table, table 2 embodiment 6-11 prescription and material property table, table 3 Comparative Examples 1-6 prescription and material property table.
Can see that from embodiment 1-5 and Comparative Examples 3 usage ratio of PBT is to the influence of basic physicals of material and bond properties.When the usage ratio of PBT was hanged down, the bond properties of material did not reach ideal and improves effect, but the basic physicals of material is unaffected substantially.When the use of PBT reached certain proportion, the bond properties of material had had very significantly improvement, but the basic physicals of material is under some influence at this moment, and particularly the density of material and modulus in flexure are subjected to bigger influence.Therefore the usage ratio of PBT will be controlled at lower scope as far as possible in the material.Data from table, this ratio control is advisable between 10-15%.
Can see of the influence of the usage ratio of expanding material maleic anhydride grafted ABS to basic physicals of material and bond properties from embodiment 4,6,7,8.Expanding material has very big influence to the basic physicals of material, but the bond properties of material is not had influence substantially.For obtaining the material of good basic physicals, the use of expanding material maleic anhydride grafted ABS need reach certain proportion.Data can see that this ratio is advisable about 8-10 from table.
Table 1 embodiment 1-5 prescription and material property table
| The matrix material title | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| PC(％) | 40 | 40 | 40 | 40 | 40 |
| ABS(％) | 46.5 | 42.5 | 37.5 | 34.5 | 29.5 |
| PBT(％) | 3 | 7 | 12 | 15 | 20 |
| Grafted ABS (%) | 10 | 10 | 10 | 10 | 10 |
| 245(％) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| 168(％) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Density (g/cm 3) | 1.123 | 1.128 | 1.136 | 1.144 | 1.153 |
| Unnotched impact strength (kJ/m 2) | Constantly | Constantly | Constantly | Constantly | Constantly |
| Notched Izod impact strength (kJ/m 2) | 43 | 45 | 45 | 47 | 49 |
| Heat-drawn wire (℃) | 93 | 93 | 92.5 | 91 | 86 |
| Tensile strength (MPa) | 52 | 52 | 51 | 50 | 47 |
| Elongation at break (%) | 35 | 37 | 48 | 55 | 50 |
| Flexural strength (MPa) | 95 | 95 | 93 | 92 | 86 |
| Modulus in flexure (MPa) | 2150 | 2120 | 2130 | 2100 | 1850 |
| Stripping strength (MPa) | 0.8 | 1.5 | 5.0 | 7.5 | 7.8 |
Table 2 embodiment 6-11 prescription and material property table
| The matrix material title | Embodiment 6 | Embodiment 7 | Embodiment 8 | Embodiment 9 | Embodiment 10 | Embodiment 11 | Embodiment 12 |
| PC(％) | 40 | 40 | 40 | 20 | 30 | 50 | 60 |
| ABS(％) | 42.5 | 39.5 | 34.5 | 57.5 | 47.5 | 27.5 | 17.5 |
| PBT(％) | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Grafted ABS (%) | 5 | 8 | 13 | 10 | 10 | 10 | 10 |
| 245(％) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| 168(％) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Density (g/cm 3) | 1.143 | 1.144 | 1.144 | 1.123 | 1.138 | 1.146 | 1.157 |
| Unnotched impact strength (kJ/m 2) | Constantly | Constantly | Constantly | Constantly | Constantly | Constantly | Constantly |
| Notched Izod impact strength (kJ/m 2) | 28 | 35 | 46 | 17 | 34 | 57 | 65 |
| Heat-drawn wire (℃) | 90 | 92 | 93 | 84 | 88 | 98 | 104 |
| Tensile strength (MPa) | 49 | 52 | 52 | 44 | 48 | 55 | 59 |
| Elongation at break (%) | 28 | 40 | 43 | 24 | 35 | 68 | 75 |
| Flexural strength (MPa) | 87 | 92 | 93 | 83 | 86 | 94 | 96 |
| Modulus in flexure (MPa) | 2060 | 2140 | 2160 | 2020 | 2100 | 2230 | 2300 |
| Stripping strength (MPa) | 6.0 | 7.2 | 7.7 | 6.1 | 6.9 | 7.5 | 7.8 |
Can see of the influence of the proportioning of PC and ABS the material from embodiment 9-11 to basic physicals of material and bond properties.Data from table can see that the content of PC improves in the material, and its every basic physical properties all is improved, but the bond properties of material does not have great change.
Table 3 Comparative Examples 1-6 prescription and material property table
| The matrix material title | Comparative Examples 1 | Comparative Examples 2 | Comparative Examples 3 | Comparative Examples 4 | Comparative Examples 5 |
| PC(％) | 20 | 30 | 40 | 50 | 60 |
| ABS(％) | 69.5 | 59.5 | 49.5 | 39.5 | 29.5 |
| Grafted ABS (%) | 10 | 10 | 10 | 10 | 10 |
| 245(％) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| 168(％) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Density (g/cm 3) | 1.103 | 1.114 | 1.121 | 1.134 | 1.142 |
| Unnotched impact strength (kJ/m 2) | Constantly | Constantly | Constantly | Constantly | Constantly |
| Notched Izod impact strength (kJ/m 2) | 16 | 31 | 42 | 54 | 63 |
| Heat-drawn wire (℃) | 79 | 84 | 91 | 96 | 100 |
| Tensile strength (MPa) | 42 | 45 | 49 | 55 | 59 |
| Elongation at break (%) | 20 | 31 | 45 | 57 | 70 |
| Flexural strength (MPa) | 76 | 83 | 88 | 92 | 95 |
| Modulus in flexure (MPa) | 1980 | 2040 | 2170 | 2220 | 2300 |
| Stripping strength (MPa) | 0.7 | 0.6 | 0.6 | 0.7 | 0.9 |
From the data of Comparative Examples, the PC/ABS alloy material is under the situation of not adding the 3rd component PBT, and its bond properties is an extreme difference.
Claims (6)
1. PC terpolymer resin/polybutylene terephthalate alloy material, by polycarbonate, acrylonitrile-butadiene-styrene ternary copolymerized resin ABS, polybutylene terephthalate PBT and oxidation inhibitor, expanding material are formed, it is characterized in that, described expanding material is the ABS resin through modified by maleic acid anhydride graft, and its density is at 1.03-1.08g/cm
3, fusing point is at 180-190 ℃, be butadiene monomer unit content at 20%-50%, and extrude the acrylonitrile-butadiene-styrene terpolymer of modification, and the percentage of grafting of maleic anhydride is at 0.5-1.0% through maleic anhydride melt; A kind of in described oxidation inhibitor is at least triglycol two-3-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) vinyl cyanide, three (2, the 4-di-tert-butylphenol) phosphorous acid ester, each components based on weight percentage, for:
PC 40％-70％
ABS 40％-70％
PBT 5％-10％
Expanding material 3%-10%
Oxidation inhibitor 0.2%2.0%;
More than the weight percent sum of each component be 100%.
2. PC terpolymer resin according to claim 1/polybutylene terephthalate alloy material, it is characterized in that described PC is any bisphenol A-type aromatic copolycarbonate: its density is at 1.19-1.21g/cm
3, fusing point is at 230-260 ℃.
3. PC terpolymer resin according to claim 1/polybutylene terephthalate alloy material is characterized in that, described ABS resin is that density is at 1.03-1.08g/cm
3, fusing point is at 180-190 ℃, and butadiene monomer unit content is at the acrylonitrile-butadiene-styrene terpolymer of 20-30%.
4. PC terpolymer resin according to claim 1/polybutylene terephthalate alloy material, it is characterized in that, described PBT resin is a density 1.31～1.35,220～230 ℃ of fusing points, the polybutylene terephthalate of melt viscosity 0.3～1.0.
5. PC terpolymer resin according to claim 1/polybutylene terephthalate alloy material, it is characterized in that, described oxidation inhibitor triglycol is two-and the proportioning of 3-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) vinyl cyanide and three (2, the 4-di-tert-butylphenol) phosphorous acid ester is 1: 1.
6. the preparation method of the described PC terpolymer resin of claim 1/polybutylene terephthalate alloy material is characterized in that step is as follows:
(1) takes by weighing raw material by weight ratio;
(2) PC, ABS, PBT, expanding material and oxidation inhibitor were done in super mixer mixed 3-5 minute;
(3) raw materials mixed is placed dual-screw-stem machine through melt extrude, granulation, its technology is: 220～230 ℃ in a district, 240～250 ℃ in two districts, 240～250 ℃ in three districts, 235～245 ℃ in four districts; The residence time is 1-2 minute, and pressure is 12-18Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510026716XA CN100549087C (en) | 2005-06-13 | 2005-06-13 | PC terpolymer resin/polybutylene terephthalate alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510026716XA CN100549087C (en) | 2005-06-13 | 2005-06-13 | PC terpolymer resin/polybutylene terephthalate alloy material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1699468A CN1699468A (en) | 2005-11-23 |
| CN100549087C true CN100549087C (en) | 2009-10-14 |
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Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101041740B (en) * | 2006-03-20 | 2010-12-29 | 佛山市顺德区汉达精密电子科技有限公司 | PC (polycarbonate) defective material modified PC/ABS alloy (two) |
| CN101041739B (en) * | 2006-03-20 | 2010-12-29 | 佛山市顺德区汉达精密电子科技有限公司 | PC (polycarbonate) defective material modified PC/ABS alloy (one) |
| CN101041741B (en) * | 2006-03-20 | 2010-12-29 | 佛山市顺德区汉达精密电子科技有限公司 | PC (polycarbonate) defective material modified PC/ABS alloy (three) |
| CN101870796B (en) * | 2009-04-24 | 2013-11-06 | 上海金发科技发展有限公司 | Acrylonitrile-butadiene-styrene terpolymer/polyethylene glycol terephthalate composite material and preparation method thereof |
| CN102417699A (en) * | 2010-09-27 | 2012-04-18 | 比亚迪股份有限公司 | Plastic alloy material composition, plastic alloy material and injection molding part |
| CN102417706A (en) * | 2011-11-17 | 2012-04-18 | 铜陵市三盛电子有限公司 | Modified polycarbonate composition for preparing capacitor shell |
| CN102417705A (en) * | 2011-11-17 | 2012-04-18 | 铜陵市三盛电子有限公司 | Modified polycarbonate composition for manufacturing capacitor shell |
| CN102399429A (en) * | 2011-11-17 | 2012-04-04 | 铜陵市三盛电子有限公司 | Modified polycarbonate composition for manufacturing locomotive capacitor shell |
| CN102417707A (en) * | 2011-11-17 | 2012-04-18 | 铜陵市三盛电子有限公司 | Modified polycarbonate material for producing locomotive capacitor shell |
| CN104177753A (en) * | 2014-07-09 | 2014-12-03 | 南通帝诚华信实业有限公司 | Modified material for automotive flame-retardant grilles |
| CN107226992A (en) * | 2017-06-22 | 2017-10-03 | 合肥会通新材料有限公司 | A kind of PC/ABS alloy materials of high shrinkage and preparation method thereof |
| CN111171541A (en) * | 2018-10-23 | 2020-05-19 | 中国石油化工股份有限公司 | Modified PC/ABS composition for 3D printing and preparation method thereof |
| CN109575502B (en) * | 2018-11-15 | 2021-09-24 | 江苏科技大学 | PC/ABS composite wire for three-dimensional printing and preparation method and printing method thereof |
| CN111171505A (en) * | 2020-02-28 | 2020-05-19 | 广东锦湖日丽高分子材料有限公司 | Chemical-resistant high-impact ABS/PBT composite material and preparation method thereof |
| CN112375361A (en) * | 2020-10-30 | 2021-02-19 | 天津金发新材料有限公司 | Polyester modified good-spraying PC/ABS alloy material and preparation method thereof |
| CN115491014B (en) * | 2022-09-29 | 2023-12-26 | 万星塑胶制品（上海）有限公司 | Modified PC plastic and preparation process thereof |
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2005
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| 马来酸酐接枝ABS及其应用. 陈玉胜，张祥福，张勇，张隐西.中国塑料，第14卷第5期. 2000 |
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