CN105348765A - High-fluidity high-low-temperature-resistance PC/TPEE alloy material and preparation method thereof - Google Patents
High-fluidity high-low-temperature-resistance PC/TPEE alloy material and preparation method thereof Download PDFInfo
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- CN105348765A CN105348765A CN201510863654.1A CN201510863654A CN105348765A CN 105348765 A CN105348765 A CN 105348765A CN 201510863654 A CN201510863654 A CN 201510863654A CN 105348765 A CN105348765 A CN 105348765A
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Abstract
The invention discloses a high-fluidity high-low-temperature-resistance PC/TPEE alloy material and a preparation method thereof. The alloy material is prepared from, by weight, 40% to 60% of PC, 30% to 50% of TPEE, 1% to 10% of compatilizer, 0.1% to 1% of antioxygen and 0.1% to 1% of processing agent. The compatilizer and the processing agent are utilized for improving the compatibility of PC and TPEE, PC and TPEE are evenly mixed, mutual cooperation is achieved, and the obtained PC/TPEE alloy material is high in impact strength and good in chemical stability and electric performance, has the advantages of being excellent in heat resisting performance and low temperature resisting performance, is ultrahigh in fluidity and easy to form and process, and has high mechanical strength and ageing resisting performance. The material is widely applied to the industry of electronics and automobiles.
Description
Technical field
The present invention relates to a kind of PC/TPEE alloy, particularly relate to the high lower temperature resistance PC/TPEE Alloy And Preparation Method of a kind of high flowing, this alloy is widely used in automotive industry, electric industry, industry manufacture, power tool and daily necessities etc.
Background technology
TPEE (thermoplastic polyester elastomer) is the segmented copolymer containing the hard section of polyester and polyester soft segment.Wherein polyester soft segment and uncrystallized polyester form the hard section partial crystallization of amorphous phase polyester and form crystalline domains, play physical crosslinking point.TPEE has the elasticity of rubber and the intensity of engineering plastics; Give its elasticity, make it resemble rubber for soft section; Hard section gives its processing characteristics, makes it resemble plastics; With rubber phase ratio, it has better processing characteristics and longer work-ing life; Compared with engineering material, there is feature that intensity is high equally, and snappiness and dynamic properties better.
TPEE has splendid oil-proofness, the at room temperature most of polar liquid chemical mediator of ability (as acid, alkali, amine glycol compound), but to halohydrocarbon (except fluorine Lyons) and the effect of phenols helpless, the ability of its chemicals-resistant improves with the raising of its hardness.TPEE is good to the swelling resistance of most of organic solvent, fuel and gas and anti-permeability performance, but 1/3 ~ 1/300, TPEE hot water resistance fuel oil perviousness being only to the oil resisting rubbers such as neoprene latex, chlorosulfonated polyethylene, butadiene-acrylonitrile rubber is poor.
In prior art, TPEE only adheres to shaping with AB, PC or PVC etc., one-body molded weak effect.And PC alloy material main flow is PC/ABS product, but there is processing fluidity difference in PC, easy stress cracking, and to notch sensitive, easily wear and tear, chemical proofing is poor; And PC/ABS product impacts not high, resistance to low temperature is poor, and can not use under the condition of cold weather, environment for use has limitation.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art PC/ABS product, there is provided a kind of have good in chemical substance, oil product, the resistivity of solvent and weather, resistance to low temperature is excellent, good fluidity, the height being easy to forming process flows high lower temperature resistance PC/TPEE Alloy And Preparation Method.
PC has higher rigidity and toughness, and physical strength is high, dimensional stabilizing, and surface has higher glossiness.TPEE has excellent resistance toheat and good mobility, keeps good performance when temperature rises, and wear resistance is strong, low temperature resistant Wei ?35 ?50 DEG C, ageing resistance is strong.The shortcoming of the aspects such as how to play both advantages, avoid its shortcoming, especially utilize TPEE to make up PC mobility relatively poor, processing characteristics is not enough, and resistance to low temperature is not enough, prepare hardness higher, thermotolerance is better; The snappiness PC/TPEE alloy material with high impact and good low temperature is a technical barrier; The present invention select Ben Yi Xi ?Bing Xi Jing ?glycidyl methacrylate copolymer, Ben Yi Xi ?Bing Xi Jing ?maleic anhydride ternary atactic copolymer at least one be compatilizer; Select at least one in tetramethylolmethane stearate and stearic acid to be work auxiliary agent, utilize compatilizer and processing aid to improve the consistency of PC and TPEE, PC and TPEE is mixed, and realize cooperatively interacting.
The object of the invention is achieved through the following technical solutions:
A kind of high flowing high lower temperature resistance PC/TPEE alloy material, by weight mark meter, its feed composition consists of:
Described compatilizer be Ben Yi Xi ?Bing Xi Jing ?glycidyl methacrylate copolymer and Ben Yi Xi ?Bing Xi Jing ?maleic anhydride ternary atactic copolymer at least one;
Described processing aid is at least one in tetramethylolmethane stearate and stearic acid.
For realizing the object of the invention further, preferably, the viscosity MI of described PC be 10 ?20.
Preferably, the hardness of described TPEE is greater than 60D.
Preferably, described oxidation inhibitor is β-(4-hydroxy phenyl-3,5-di-t-butyl) the positive octadecanol ester of propionic acid, four (β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester, at least one in tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester.
Preferably, the melting index of described PC is 10.
Described height flows the preparation method of high lower temperature resistance PC/TPEE alloy material: mix according to the composition of feed composition composition and proportion ingredient, use forcing machine to produce; Extrusion processing parameter: 1 district's temperature 200 ± 10 DEG C, 2 district's temperature 230 ± 10 DEG C, 3 ?8 district's temperature be 240 ± 10 DEG C, head temperature is 250 ± 10 DEG C, engine speed be 300 ?450r/min.
Preferably, described forcing machine is twin screw extruder.
Relative to prior art, tool of the present invention has the following advantages:
(1) over-all properties is better, and shock strength is higher, chemical stability, and electrical property is good.The present invention select Ben Yi Xi ?Bing Xi Jing ?glycidyl methacrylate copolymer, Ben Yi Xi ?Bing Xi Jing ?maleic anhydride ternary atactic copolymer at least one be compatilizer; Select at least one in tetramethylolmethane stearate and stearic acid to be work auxiliary agent, utilize compatilizer and processing aid to improve the consistency of PC and TPEE, PC and TPEE is mixed, and realize cooperatively interacting, the PC/TPEE alloy material shock strength obtained is higher, and chemical stability, electrical property is good.
(2) to have resistance toheat high for PC/TPEE alloy material of the present invention, the feature of resistance to low temperature excellence.
(3) PC/TPEE alloy material of the present invention has super-high fluidity, is easy to the feature of forming process.
(4) PC/TPEE alloy material of the present invention has higher physical strength and ageing-resistant performance.
Embodiment
For understanding the present invention better, below in conjunction with embodiment, the present invention is further illustrated, but embodiments of the present invention are not limit so.
Embodiment 1
The high lower temperature resistance PC/TPEE alloy material of a kind of high flowing, comprises following raw material by weight
PC (very beautiful) 40
TPEE (Changchun, Taiwan) 50
Compatilizer 9
Oxidation inhibitor 0.3
Processing aid (fire-resistant lubricants PETS) 0.7
Compatilizer selects ABS-g-MAH;
Antioxidant 1076 (β-(3 selected by oxidation inhibitor, 5-di-tert-butyl-hydroxy phenyl) the positive octadecanol ester of propionic acid) with the mixture of irgasfos 168 (three [2.4-di-tert-butyl-phenyl] phosphorous acid ester), mass ratio is 1:1.
The preparation method preparing above-described a kind of high flowing high lower temperature resistance PC/TPEE alloy material is: mix according to above-described composition and proportion ingredient, and use CTE35 twin screw extruder to produce, this machine contains 9 segment standard temperature controlled region.Extrusion processing parameter: 1 district's temperature 200 DEG C, 2 district's temperature 230 DEG C, 3 ?8 district's temperature be 240 DEG C, head temperature is 250 DEG C, and engine speed is 350r/min.
Through the implementation case composition and engineering prepared by the performance test results of a kind of high flowing high lower temperature resistance PC/TPEE alloy material as shown in table 1.
Table 1
The present invention select Ben Yi Xi ?Bing Xi Jing ?glycidyl methacrylate copolymer be compatilizer; Tetramethylolmethane stearate is selected to be work auxiliary agent, compatilizer and processing aid is utilized to improve the consistency of PC and TPEE, PC and TPEE is mixed, and realize cooperatively interacting, increase the toughness of system and blended effect, process mixing more even, on the basis being unlikely to the bulk strength reducing material, the creep resistance of obvious increase material and fatigue performance, resistance to low temperature and processing characteristics, have high physical strength and high ageing-resistant performance and low-temperature performance concurrently.From upper table 1, a kind of high flowing high lower temperature resistance PC/TPEE alloy material of the implementation case has good mobility and excellent normal temperature and the very hot performance of low temperature impact properties, due to adding of TPEE, product has superpower toughness, particularly also has higher shock strength at-50 DEG C, and heat resistance is excellent, reach 147 DEG C, other physical and mechanical propertiess all reach higher level.This embodiment product has splendid mobility and winter hardiness and chemical resistant properties and resistance toheat and mechanical property, can be widely used in electronic apparatus and automobile industry.
Embodiment 2
The high lower temperature resistance PC/TPEE alloy material of a kind of high flowing, comprises following raw material by weight:
PC (Japanese bright dipping) 60
TPEE (Changchun, Taiwan) 33
Compatilizer (ABS-g-MAH) 6
Oxidation inhibitor (antioxidant 1076+irgasfos 168=2:1) 0.6
Processing aid (lubricant PETS) 0.4
Antioxidant 1076 (β-(3 selected by oxidation inhibitor, 5-di-tert-butyl-hydroxy phenyl) the positive octadecanol ester of propionic acid) with the mixture of irgasfos 168 (three [2.4-di-tert-butyl-phenyl] phosphorous acid ester), mass ratio is 2:1.
The preparation method of a kind of high flowing high lower temperature resistance PC/TPEE alloy material is: mix according to above-described composition and proportion ingredient, and use CTE35 twin screw extruder to produce, this machine contains 9 segment standard temperature controlled region:
Extrusion processing parameter: 1 district's temperature 200 DEG C, 2 district's temperature 240 DEG C, 3 ?8 district's temperature be 250 DEG C, head temperature is 260 DEG C, and engine speed is 400r/min.
Through the implementation case composition and engineering prepared by the performance test results of a kind of high flowing high lower temperature resistance PC/TPEE alloy material as shown in table 2.
Table 2
By table 1 and table 2 known, the high lower temperature resistance PC/TPEE alloy material of one height flowing of the implementation case is suitable with embodiment 1 product, all there is higher mobility and low-temperature impact-resistant performance, and heat resistance is excellent, other physical and mechanical propertiess all reach higher level, be better than the PC/ABS alloy material of existing market, belong to high-end PC alloy material, automotive industry, electric industry, industry manufacture, power tool and daily necessities etc. can be widely used in.
Embodiment 3
The high lower temperature resistance PC/TPEE alloy material of a kind of high flowing, comprises following raw material by weight:
PC (Japanese bright dipping) 50
TPEE (Changchun, Taiwan) 44
Compatilizer 5
Oxidation inhibitor (1076+168=1:1) 0.5
Processing aid (lubricant PETS) 0.5
Compatilizer be Ben Yi Xi ?Bing Xi Jing ?glycidyl methacrylate copolymer
Antioxidant 1076 (β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid) selected by oxidation inhibitor
The preparation method preparing above-described a kind of high flowing high lower temperature resistance PC/TPEE alloy material is: mix according to above-described composition and proportion ingredient, and use CTE35 twin screw extruder to produce, this machine contains 9 segment standard temperature controlled region:
Extrusion processing parameter: 1 district's temperature 200 DEG C, 2 district's temperature 235 DEG C, 3 ?8 district's temperature be 245 DEG C, head temperature is 255 DEG C, and engine speed is 450r/min.
Through the implementation case composition and engineering prepared by the performance test results of a kind of high flowing high lower temperature resistance PC/TPEE alloy material as shown in table 3.
Table 3
By table 1, table 2 and table 3 contrast known, the high lower temperature resistance PC/TPEE alloy material of one height flowing of the implementation case is suitable with embodiment 2 product with embodiment 1, and the consumption increasing TPEE can improve normal temperature and the low-temperature impact-resistant performance of material, significantly can improve the flowing property of material, but they all have higher mobility and low-temperature impact-resistant performance.Product performance are better than the PC/ABS alloy material of existing market, can be widely used in automotive industry, electric industry, industry manufacture, power tool and daily necessities etc.
Above case study on implementation is only unrestricted for illustration of technical scheme of the present invention, other those of ordinary skill can be modified to technical scheme of the present invention or replace on an equal basis, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. the high lower temperature resistance PC/TPEE alloy material of high flowing, it is characterized in that: mark meter by weight, its feed composition consists of:
Described compatilizer be Ben Yi Xi ?Bing Xi Jing ?glycidyl methacrylate copolymer and Ben Yi Xi ?Bing Xi Jing ?maleic anhydride ternary atactic copolymer at least one;
Described processing aid is at least one in tetramethylolmethane stearate and stearic acid.
2. the high lower temperature resistance PC/TPEE alloy material of a kind of high flowing according to claim 1, is characterized in that: the viscosity MI of described PC be 10 ?20.
3. the high lower temperature resistance PC/TPEE alloy material of a kind of high flowing according to claim 1, is characterized in that: the hardness of described TPEE is greater than 60D.
4. the high lower temperature resistance PC/TPEE alloy material of a kind of high flowing according to claim 1, it is characterized in that: described oxidation inhibitor is β-(4-hydroxy phenyl-3,5-di-t-butyl) the positive octadecanol ester of propionic acid, four (β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid) at least one in pentaerythritol ester and tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester.
5. the high lower temperature resistance PC/TPEE alloy material of a kind of high flowing according to claim 1, is characterized in that: the melting index of described PC is 10.
6. claim 1 ?height described in 5 any one to flow the preparation method of high lower temperature resistance PC/TPEE alloy material, it is characterized in that: mix according to the composition of feed composition composition and proportion ingredient, use forcing machine to produce; Extrusion processing parameter: 1 district's temperature 200 ± 10 DEG C, 2 district's temperature 230 ± 10 DEG C, 3 ?8 district's temperature be 240 ± 10 DEG C, head temperature is 250 ± 10 DEG C, engine speed be 300 ?450r/min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233235A (en) * | 2017-07-10 | 2019-01-18 | 合肥杰事杰新材料股份有限公司 | Low smell PC/ABS alloy material of the dedicated soft sense of touch of a kind of phone housing and preparation method thereof |
| CN112831157A (en) * | 2020-12-08 | 2021-05-25 | 江苏鑫易达新材料科技有限公司 | TPEE base film of automobile protection film |
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| CN102782043A (en) * | 2009-12-30 | 2012-11-14 | 沙伯基础创新塑料知识产权有限公司 | Polycarbonate-poly (ether-ester) copolymer composition, method of manufacture, and articles therefrom |
| CN103665814A (en) * | 2013-12-10 | 2014-03-26 | 东莞市技塑塑胶科技有限公司 | High-flow super-tough cold-resistant material specially used for shells of PC electronic products and preparation method thereof |
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| CN102782043A (en) * | 2009-12-30 | 2012-11-14 | 沙伯基础创新塑料知识产权有限公司 | Polycarbonate-poly (ether-ester) copolymer composition, method of manufacture, and articles therefrom |
| CN103665814A (en) * | 2013-12-10 | 2014-03-26 | 东莞市技塑塑胶科技有限公司 | High-flow super-tough cold-resistant material specially used for shells of PC electronic products and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233235A (en) * | 2017-07-10 | 2019-01-18 | 合肥杰事杰新材料股份有限公司 | Low smell PC/ABS alloy material of the dedicated soft sense of touch of a kind of phone housing and preparation method thereof |
| CN112831157A (en) * | 2020-12-08 | 2021-05-25 | 江苏鑫易达新材料科技有限公司 | TPEE base film of automobile protection film |
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Application publication date: 20160224 |