CN104072968A - High-fatigue-resistance PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) alloy material and preparation method thereof - Google Patents
High-fatigue-resistance PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) alloy material and preparation method thereof Download PDFInfo
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- CN104072968A CN104072968A CN201410327322.7A CN201410327322A CN104072968A CN 104072968 A CN104072968 A CN 104072968A CN 201410327322 A CN201410327322 A CN 201410327322A CN 104072968 A CN104072968 A CN 104072968A
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Abstract
The invention relates to a high-fatigue-resistance PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) alloy material and a preparation method thereof. The PC/ABS alloy material comprises the following components in parts by weight: 35-75 parts of injection-molding-level PC resin, 5-25 parts of blow-molding-level PC resin, 20-60 parts of ABS resin, 0.1-1 part of antioxidant and 0.1-1 part of lubricant. The method is simple and easy to implement; and the high molecular weight of the blow-molding-level PC resin increases the winding degree of the molecular chains in the PC/ABS system, so that the molecular chains can not be easily destroyed by the exogenic action, thereby enhancing the fatigue resistance of the PC/ABS alloy material.
Description
Technical field
The present invention relates to polymer blended, Polymer Processing field, specifically, is a kind of high resistance to fatigue PC/ABS alloy material and preparation method thereof.
Background technology
PC/ABS alloy material has been taken into account the two advantage of PC and ABS, there is good mechanical property and processing characteristics, in fields such as automobile, electronics, communication and chemical industry, have a wide range of applications, especially in recent years Automobile Market was fiery, and automotive light weight technology, to mould under the trend of Dai Gang, make PC/ABS alloy material rapidly increase at the consumption of automotive field.
The application of PC/ABS on automobile, both just like the decoration of ornamental strip, again just like the functional part of vehicle door handle.General utility functions part is more harsher to the requirement of material than decoration, and as the pull-out test of vehicle door handle general requirement through several ten thousand rounds, this just needs material to possess extraordinary resistance to fatigue.The resistance to fatigue of material is that material is applied the required key property possessing on motor vehicle functional components.The patent of at present relevant PC/ABS is a lot, but yet there are no report about a kind of high resistance to fatigue PC/ABS alloy material and preparation method thereof.
Summary of the invention
The object of the invention is for deficiency of the prior art, a kind of high resistance to fatigue PC/ABS alloy material is provided.
One object more of the present invention is that a kind of preparation method of high resistance to fatigue PC/ABS alloy material is provided.
For achieving the above object, the technical scheme that the present invention takes is: a kind of high resistance to fatigue PC/ABS alloy material, comprises the component with following weight part:
35～75 parts of injection grade PC resins,
5～25 parts of blowing level PC resins
20～60 parts of ABS resin,
0.1～1 part, oxidation inhibitor,
0.1～1 part of lubricant.
The relative molecular weight of described injection grade PC resin is 25000～31000g/mol.
The relative molecular weight of described blowing level PC resin is 34000～38000g/mol.
Described ABS resin is the graft copolymer that acronitrile-butadiene-styrene forms, the relative molecular weight of described ABS resin is 100000～180000 g/mol, wherein divinyl weight percent content is 10～55%, vinyl cyanide weight percent content is 15～32%, and vinylbenzene weight percent content is 30～70 %.
Described oxidation inhibitor is that four [β (3,5 di-t-butyl 4 hydroxy phenyls) propionic acid] one or more mixing in pentaerythritol ester, Triethylene glycol two [β (3 tertiary butyl 4 hydroxyl 5 aminomethyl phenyls) propionic ester], two stearyl alcohol pentaerythritol diphosphites, three (2,4 di-tert-butyl-phenyl) phosphorous acid ester.
Described lubricant is whiteruss, solid paraffin, silane polymer, soap, calcium stearate fatty acid amide, calcium stearate, Zinic stearas, stearic amide and N, the mixing of one or more in N ethylene bis stearic acid amide.
For realizing above-mentioned second object, the technical scheme that the present invention takes is: a kind of method of preparing described high resistance to fatigue PC/ABS alloy material, comprises the steps:
A, injection grade PC resin, blowing level PC resin, ABS resin, oxidation inhibitor and lubricant are added in mixing and blending machine and mixed;
B, by step a gained mixture by twin screw extruder blend granulation, make high resistance to fatigue PC/ABS alloy material.
The barrel zone temperature of described twin screw extruder is 220～270 ℃, and screw speed is 300～600rpm.
The invention has the advantages that:
Compared with prior art, method of the present invention is simple, and because blowing level PC molecular resin amount is large, its existence has increased the degree of molecular entanglement in PC/ABS system, be subject to that External Force Acting molecular chain is more difficult to be destroyed, thereby improved the resistance to fatigue of PC/ABS alloy material.
Embodiment
Below in conjunction with embodiment, embodiment provided by the invention is elaborated.
The PC/ABS alloy material of high resistance to fatigue of the present invention, comprises the component with following weight part:
Injection grade PC(polycarbonate) resin is 35～75 parts,
Blowing level PC(polycarbonate) resin is 5～25 parts,
20～60 parts of ABS (acrylonitrile-butadiene-styrene copolymer) resins,
0.1～1 part, oxidation inhibitor,
0.1～1 part of lubricant.
Preferably, the relative molecular weight of described injection grade PC resin is 25000～31000g/mol.
Preferably, the relative molecular weight of described blowing level PC resin is 34000～38000g/mol.
Preferably, described ABS resin is the graft copolymer that acronitrile-butadiene-styrene forms, its relative molecular weight is 100000～180000g/mol, wherein divinyl weight percent content is 10～55%, vinyl cyanide weight percent content is 15～32%, and vinylbenzene weight percent content is 30～70 %.
Preferably, described oxidation inhibitor is that four [β (3,5 di-t-butyl 4 hydroxy phenyls) propionic acid] one or more mixing in pentaerythritol ester, Triethylene glycol two [β (3 tertiary butyl 4 hydroxyl 5 aminomethyl phenyls) propionic ester], two stearyl alcohol pentaerythritol diphosphites, three (2,4 di-tert-butyl-phenyl) phosphorous acid ester.
Preferably, described lubricant is whiteruss, solid paraffin, silane polymer, soap, calcium stearate fatty acid amide, calcium stearate, Zinic stearas, stearic amide and N, the mixing of one or more in N ethylene bis stearic acid amide.
The preparation method of the PC/ABS alloy material of above-mentioned high resistance to fatigue, comprises the following steps:
(a) injection grade PC resin, blowing level PC resin, ABS resin, oxidation inhibitor and lubricant are added in mixing and blending machine and mixed;
(b) step a gained mixture is passed through to twin screw extruder blend granulation, make high resistance to fatigue PC/ABS alloy material.
Preferably, the barrel zone temperature of described twin screw extruder is 220～270 ℃, and screw speed is 300～600rpm.
It should be noted that, in following examples 1-3 and comparative example 1, blowing level PC selects Supreme Being people's PCK-1300Y; Injection grade PC resin is selected the PC201-10 of Korea S LG-DOW; ABS resin is selected the ABS8434 of Shanghai Gaoqiao petrochemical industry; Oxidation inhibitor is Irganox 1076 and the Irganox 168 of Ciba company, and its weight ratio is 1:1; Lubricant is commercially available tetramethylolmethane stearic acid.
In embodiment 1～4 and comparative example 1, each component and content are in Table 1:
Each component and content in table 1 embodiment 1～4 and comparative example 1
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Injection grade PC | 55 | 45 | 35 | 60 |
| Blowing level PC | 5 | 15 | 25 | - |
| ABS | 40 | 40 | 40 | 40 |
| Oxidation inhibitor | 0.4 | 0.4 | 0.4 | 0.4 |
| Lubricant | 0.3 | 0.3 | 0.3 | 0.3 |
embodiment 1
By following component and weight part, get the raw materials ready:
55 parts of injection grade PC resins,
5 parts of blowing level PC resins
40 parts of ABS resin,
0.4 part, oxidation inhibitor,
0.3 part of lubricant.
Preparation method is as follows:
(a) first injection grade PC resin, blowing level PC resin, ABS resin, oxidation inhibitor and lubricant are added in mixing and blending machine and mixed;
(b) then mixture is passed through to twin screw extruder blend granulation, make high resistance to fatigue PC/ABS alloy particle, the barrel zone temperature of forcing machine is 220～270 ℃, and screw speed is 300～600rpm.
embodiment 2
By following component and weight part, get the raw materials ready:
45 parts of injection grade PC resins,
15 parts of blowing level PC resins
40 parts of ABS resin,
0.4 part, oxidation inhibitor,
0.3 part of lubricant.
Preparation method is with embodiment 1.
embodiment 3
By following component and weight part, get the raw materials ready:
35 parts of injection grade PC resins,
25 parts of blowing level PC resins
40 parts of ABS resin,
0.4 part, oxidation inhibitor,
0.3 part of lubricant.
Preparation method is with embodiment 1.
comparative example 1
By following component and weight part, get the raw materials ready:
60 parts of injection grade PC resins,
40 parts of ABS resin,
0.4 part, oxidation inhibitor,
0.3 part of lubricant.
Preparation method is as follows:
(a) first injection grade PC resin, ABS resin, oxidation inhibitor and lubricant are added in mixing and blending machine and mixed;
(b) then mixture is passed through to twin screw extruder blend granulation, make high resistance to fatigue PC/ABS alloy particle, the barrel zone temperature of forcing machine is 220～270 ℃, and screw speed is 300～600rpm.
embodiment 4 implementation results
The high resistance to fatigue PC/ABS alloy material of above embodiment 1～3 and comparative example 1 preparation, for exterior door handle for automobile product, is evaluated to the rounds of its pull-out test can bear:
Table 2 embodiment 1～3 and comparative example 1 product can bear pull-out test rounds
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Rounds (inferior) | 70000 | 100000 | 110000 | 50000 |
embodiment 5
A, by following component and weight part, get the raw materials ready:
35 parts of injection grade PC resins,
5 parts of blowing level PC resins
60 parts of ABS resin,
1 part, oxidation inhibitor,
1 part of lubricant.
B, first injection grade PC resin, blowing level PC resin, ABS resin, oxidation inhibitor and lubricant are added in mixing and blending machine and mixed;
C, then by mixture by twin screw extruder blend granulation, make high resistance to fatigue PC/ABS alloy particle, the barrel zone temperature of forcing machine is 220～270 ℃, screw speed is 300～600rpm.
The relative molecular weight of described injection grade PC resin is 25000g/mol;
The relative molecular weight of described blowing level PC resin is 38000g/mol;
Described ABS resin is the graft copolymer that acronitrile-butadiene-styrene forms, and its relative molecular weight is 100000g/mol, and wherein divinyl weight percent content is 55%, and vinyl cyanide weight percent content is 15%, and vinylbenzene weight percent content is 30%;
Described oxidation inhibitor is Triethylene glycol two [β (3 tertiary butyl 4 hydroxyl 5 aminomethyl phenyls) propionic ester];
Described lubricant is N, N ethylene bis stearic acid amide.
embodiment 6
The present embodiment is with embodiment 5, and institute's difference is:
According to following component and weight part, get the raw materials ready:
40 parts of injection grade PC resins,
20 parts of blowing level PC resins
40 parts of ABS resin,
0.1 part, oxidation inhibitor,
0.1 part of lubricant.
The relative molecular weight of described injection grade PC resin is 31000g/mol;
The relative molecular weight of described blowing level PC resin is 34000g/mol;
Described ABS resin is the graft copolymer that acronitrile-butadiene-styrene forms, and its relative molecular weight is 130000g/mol, and wherein divinyl weight percent content is 28%, and vinyl cyanide weight percent content is 32%, and vinylbenzene weight percent content is 40%;
Described oxidation inhibitor is three (2,4 di-tert-butyl-phenyl) phosphorous acid ester;
Described lubricant is calcium stearate fatty acid amide.
embodiment 7
The present embodiment is with embodiment 5, and institute's difference is:
According to following component and weight part, get the raw materials ready:
75 parts of injection grade PC resins,
5 parts of blowing level PC resins
20 parts of ABS resin,
0.1 part, oxidation inhibitor,
0.1 part of lubricant.
The relative molecular weight of described injection grade PC resin is 29000g/mol;
The relative molecular weight of described blowing level PC resin is 35000g/mol;
Described ABS resin is the graft copolymer that acronitrile-butadiene-styrene forms, and its relative molecular weight is 180000g/mol, and wherein divinyl weight percent content is 10%, and vinyl cyanide weight percent content is 20%, and vinylbenzene weight percent content is 70%;
Described oxidation inhibitor is the mixing of four [β (3,5 di-t-butyl 4 hydroxy phenyls) propionic acid] pentaerythritol ester and three (2,4 di-tert-butyl-phenyl) phosphorous acid ester;
Described lubricant is methylene bis stearic amide and N, the mixing of N ethylene bis stearic acid amide.
embodiment 8
The present embodiment is with embodiment 5, and institute's difference is:
According to following component and weight part, get the raw materials ready:
50 parts of injection grade PC resins,
10 parts of blowing level PC resins
40 parts of ABS resin,
0.5 part, oxidation inhibitor,
0.5 part of lubricant.
The relative molecular weight of described injection grade PC resin is 30000g/mol;
The relative molecular weight of described blowing level PC resin is 35000g/mol;
Described ABS resin is the graft copolymer that acronitrile-butadiene-styrene forms, its relative molecular weight is 160000g/mol, wherein divinyl weight percent content is 35%, and vinyl cyanide weight percent content is 15%, and vinylbenzene weight percent content is 50 %;
Described oxidation inhibitor is two stearyl alcohol pentaerythritol diphosphites;
Described lubricant is the mixing of calcium stearate, Zinic stearas and stearic amide.
embodiment 9 implementation results
High resistance to fatigue PC/ABS alloy material prepared by above embodiment 5-8, for exterior door handle for automobile product, is evaluated the rounds of its pull-out test can bear:
Table 3 embodiment 5-8 product can bear pull-out test rounds
| ? | Embodiment 5 | Embodiment 6 | Embodiment 7 | Embodiment 8 |
| Rounds (inferior) | 70000 | 105000 | 65000 | 90000 |
In sum, method of the present invention is simple, and because blowing level PC molecular resin amount is large, its existence has increased the degree of molecular entanglement in PC/ABS system, be subject to that External Force Acting molecular chain is more difficult to be destroyed, thereby improved the resistance to fatigue of PC/ABS alloy material.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the inventive method; can also make some improvement and supplement, these improvement and supplement and also should be considered as protection scope of the present invention.
Claims (8)
1. a high resistance to fatigue PC/ABS alloy material, is characterized in that, comprises the component with following weight part:
35～75 parts of injection grade PC resins,
5～25 parts of blowing level PC resins
20～60 parts of ABS resin,
0.1～1 part, oxidation inhibitor,
0.1～1 part of lubricant.
2. high resistance to fatigue PC/ABS alloy material according to claim 1, is characterized in that, the relative molecular weight of described injection grade PC resin is 25000～31000g/mol.
3. high resistance to fatigue PC/ABS alloy material according to claim 1, the relative molecular weight of described blowing level PC resin is 34000～38000g/mol.
4. high resistance to fatigue PC/ABS alloy material according to claim 1, it is characterized in that, described ABS resin is the graft copolymer that acronitrile-butadiene-styrene forms, the relative molecular weight of described ABS resin is 100000～180000 g/mol, wherein divinyl weight percent content is 10～55%, vinyl cyanide weight percent content is 15～32%, and vinylbenzene weight percent content is 30～70 %.
5. high resistance to fatigue PC/ABS alloy material according to claim 1, it is characterized in that, described oxidation inhibitor is that four [β (3,5 di-t-butyl 4 hydroxy phenyls) propionic acid] one or more mixing in pentaerythritol ester, Triethylene glycol two [β (3 tertiary butyl 4 hydroxyl 5 aminomethyl phenyls) propionic ester], two stearyl alcohol pentaerythritol diphosphites, three (2,4 di-tert-butyl-phenyl) phosphorous acid ester.
6. high resistance to fatigue PC/ABS alloy material according to claim 1, it is characterized in that, described lubricant is whiteruss, solid paraffin, silane polymer, soap, calcium stearate fatty acid amide, calcium stearate, Zinic stearas, stearic amide and N, the mixing of one or more in N ethylene bis stearic acid amide.
7. a method of preparing high resistance to fatigue PC/ABS alloy material claimed in claim 1, is characterized in that, comprises the steps:
A, injection grade PC resin, blowing level PC resin, ABS resin, oxidation inhibitor and lubricant are added in mixing and blending machine and mixed;
B, by step a gained mixture by twin screw extruder blend granulation, make high resistance to fatigue PC/ABS alloy material.
8. preparation method according to claim 7, is characterized in that, the barrel zone temperature of described twin screw extruder is 220～270 ℃, and screw speed is 300～600rpm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114316555A (en) * | 2021-12-03 | 2022-04-12 | 上海金山锦湖日丽塑料有限公司 | Fatigue-resistant flame-retardant PC/ABS alloy and preparation method thereof |
| CN115960448A (en) * | 2022-12-28 | 2023-04-14 | 上海长伟锦磁工程塑料有限公司 | Aramid fiber reinforced PC/ABS alloy material special for automobile inner door handle and preparation method thereof |
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| CN1894339A (en) * | 2003-12-23 | 2007-01-10 | 第一毛织株式会社 | Polycarbonate resin composition with good fatigue strength |
| CN101213255A (en) * | 2005-09-13 | 2008-07-02 | 通用电气公司 | Fatigue resistant thermoplastic composition, method of making, and articles formed therefrom |
| CN102516735A (en) * | 2011-12-09 | 2012-06-27 | 上海锦湖日丽塑料有限公司 | Low-internal-stress electroplating PC/ABS alloy material and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1894339A (en) * | 2003-12-23 | 2007-01-10 | 第一毛织株式会社 | Polycarbonate resin composition with good fatigue strength |
| CN101213255A (en) * | 2005-09-13 | 2008-07-02 | 通用电气公司 | Fatigue resistant thermoplastic composition, method of making, and articles formed therefrom |
| CN102516735A (en) * | 2011-12-09 | 2012-06-27 | 上海锦湖日丽塑料有限公司 | Low-internal-stress electroplating PC/ABS alloy material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114316555A (en) * | 2021-12-03 | 2022-04-12 | 上海金山锦湖日丽塑料有限公司 | Fatigue-resistant flame-retardant PC/ABS alloy and preparation method thereof |
| CN115960448A (en) * | 2022-12-28 | 2023-04-14 | 上海长伟锦磁工程塑料有限公司 | Aramid fiber reinforced PC/ABS alloy material special for automobile inner door handle and preparation method thereof |
| CN115960448B (en) * | 2022-12-28 | 2024-04-30 | 上海长伟锦磁工程塑料有限公司 | Aramid fiber reinforced PC/ABS alloy material special for automobile inner door handle and preparation method thereof |
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