CN105086159A - Impact resistant automobile bumper and manufacturing method thereof - Google Patents
Impact resistant automobile bumper and manufacturing method thereof Download PDFInfo
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- CN105086159A CN105086159A CN201410221026.9A CN201410221026A CN105086159A CN 105086159 A CN105086159 A CN 105086159A CN 201410221026 A CN201410221026 A CN 201410221026A CN 105086159 A CN105086159 A CN 105086159A
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- polypropylene
- bumper
- shock resistance
- thermoplastic elastomer
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Abstract
The invention discloses an impact resistant automobile bumper, and belongs to the field of automobile manufacturing. The bumper comprises, by weight, 40-50 parts of co-polypropylene, 40-50 parts of homo-polypropylene, 6-10 parts of high density polyethylene, 8-16 parts of a thermoplastic elastomer, 20-40 parts of carbon fibers, 15-20 parts of an impact modifier, 5-15 parts of an antioxidant, 10-20 parts of nanometer calcium carbonate and 5-10 parts of a flexibilizer. The invention also discloses a manufacturing method of the impact resistant automobile bumper. The method comprises the steps of granulation and injection forming. The automobile bumper has the characteristics of high impact strength, light weight and good weatherability, the manufacturing method has the advantages of simple processa nd common use device, and the automobile bumper produced through the method has good dimension stability and ageing resistance.
Description
Technical field
The present invention relates to a kind of bumper and manufacture method, especially shock resistance bumper and manufacture method, belong to automobile manufacturing field.
Background technology
Along with the develop rapidly of automotive industry; bumper plays important provide protection as a kind of important security device in vehicle safety travel process; its environment for use requires that bumper material must have excellent high and low temperature impelling strength, rigidity, ageing resistance, thermotolerance, winter hardiness, should have good toughness and moulding processability in addition.But current existing bumper is common, and to there is shock resistance not high, and slight impaction occurs automobile, and collision bumper will deform or break, and has had a strong impact on the safety traffic of vehicle, threatens the life security of driver and crew.
Summary of the invention
Technical problem to be solved by this invention is to overcome prior art defect, provides a kind of shock resistance good and is convenient to bumper and the manufacture method of machine-shaping.
In order to solve the problems of the technologies described above, shock resistance bumper provided by the invention, comprise the component of following weight part: Co-polypropylene 40-50 part, homo-polypropylene 40-50 part, high density polyethylene(HDPE) 6-10 part, thermoplastic elastomer 8-16 part, carbon fiber 20-40 part, anti-impact modifier 15-20 part, antioxidant 5-15 part, nano-calcium carbonate 10-20 part, toughner 5-10 part.
In the present invention, described antioxidant is 2,6-tributyl-4-methylphenol or pentanoic.
In the present invention, described properties-correcting agent is the mixture of coupling agent and fatty acid ester.
In the present invention, described toughner is ethene and octene copolymer thermoplastic elastomer.
Present invention also offers a kind of manufacture method of shock resistance bumper, comprise the following steps:
1), Co-polypropylene, homo-polypropylene, high density polyethylene(HDPE), thermoplastic elastomer, carbon fiber, anti-impact modifier, antioxidant and toughner are added in mixing tank stir 5-10 minute, whipping temp 90-110 DEG C, add nano-calcium carbonate more in a mixer and stir 2-4 minute, through twin screw extruder extruding pelletization, the extrusion temperature of twin screw extruder is 180-200 DEG C, screw speed is 200-290r/min, obtained plastic grain;
2), by above-mentioned plastic grain injection moulding in injection moulding machine is added, obtained described anti-aging plastic automobile bumper.
Beneficial effect of the present invention: bumper of the present invention has excellent in cushion effect, lightweight, that weather resistance is good feature, its process for making is simple, use equipment common, and the product produced has good dimensional stability and ageing resistance.
Embodiment
Below in conjunction with specific embodiment, the present invention is elaborated.
embodiment 1
Bumper of the present invention comprises the component of following weight part:
Co-polypropylene 40 parts
Homo-polypropylene 45 parts
High density polyethylene(HDPE) 10 parts
Thermoplastic elastomer 8 parts
30 parts, carbon fiber
20 parts, the mixture of coupling agent and fatty acid ester
2,6-tributyl-4-methylphenol 10 parts
Nano-calcium carbonate 20 parts
Ethene and octene copolymer thermoplastic elastomer 5 parts
Manufacture method specifically comprises:
1), by the mixture of Co-polypropylene, homo-polypropylene, high density polyethylene(HDPE), thermoplastic elastomer, carbon fiber, coupling agent and fatty acid ester, 2,6-tributyl-4-methylphenol and ethene and octene copolymer thermoplastic elastomer add in mixing tank and stir 5 minutes, whipping temp 110 DEG C, add nano-calcium carbonate more in a mixer and stir 4 minutes, through twin screw extruder extruding pelletization, the extrusion temperature of twin screw extruder is 190 DEG C, screw speed is 200r/min, obtained plastic grain;
2), by above-mentioned plastic grain injection moulding in injection moulding machine is added, obtained described anti-aging plastic automobile bumper.
embodiment 2
Bumper of the present invention comprises the component of following weight part:
Co-polypropylene 50 parts
Homo-polypropylene 40 parts
High density polyethylene(HDPE) 6 parts
Thermoplastic elastomer 12 parts
20 parts, carbon fiber
18 parts, the mixture of coupling agent and fatty acid ester
Pentanoic 5 parts, nano-calcium carbonate 15 parts
Ethene and octene copolymer thermoplastic elastomer 8 parts
Manufacture method specifically comprises:
1), the mixture of Co-polypropylene, homo-polypropylene, high density polyethylene(HDPE), thermoplastic elastomer, carbon fiber, coupling agent and fatty acid ester, pentanoic and ethene and octene copolymer thermoplastic elastomer are added in mixing tank stir 8 minutes, whipping temp 100 DEG C, add nano-calcium carbonate more in a mixer and stir 2 minutes, through twin screw extruder extruding pelletization, the extrusion temperature of twin screw extruder is 180 DEG C, screw speed is 250r/min, obtained plastic grain;
2), by above-mentioned plastic grain injection moulding in injection moulding machine is added, obtained described anti-aging plastic automobile bumper.
embodiment 3
Bumper of the present invention comprises the component of following weight part:
Co-polypropylene 45 parts
Homo-polypropylene 50 parts
High density polyethylene(HDPE) 8 parts
Thermoplastic elastomer 16 parts
40 parts, carbon fiber
15 parts, the mixture of coupling agent and fatty acid ester
2,6-tributyl-4-methylphenol 15 parts
Nano-calcium carbonate 10 parts
Ethene and octene copolymer thermoplastic elastomer 10 parts
Manufacture method specifically comprises:
1), by the mixture of Co-polypropylene, homo-polypropylene, high density polyethylene(HDPE), thermoplastic elastomer, carbon fiber, coupling agent and fatty acid ester, 2,6-tributyl-4-methylphenol and ethene and octene copolymer thermoplastic elastomer add in mixing tank and stir 10 minutes, whipping temp 90 DEG C, add nano-calcium carbonate more in a mixer and stir 3 minutes, through twin screw extruder extruding pelletization, the extrusion temperature of twin screw extruder is 200 DEG C, screw speed is 290r/min, obtained plastic grain;
2), by above-mentioned plastic grain injection moulding in injection moulding machine is added, obtained described anti-aging plastic automobile bumper.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be considered as protection scope of the present invention.
Claims (5)
1. a shock resistance bumper, it is characterized in that, comprise the component of following weight parts: Co-polypropylene 40-50 part, homo-polypropylene 40-50 part, high density polyethylene(HDPE) 6-10 part, thermoplastic elastomer 8-16 part, carbon fiber 20-40 part, anti-impact modifier 15-20 part, antioxidant 5-15 part, nano-calcium carbonate 10-20 part, toughner 5-10 part.
2. shock resistance bumper according to claim 1, is characterized in that: described antioxidant is 2,6-tributyl-4-methylphenol or pentanoic.
3. shock resistance bumper according to claim 2, is characterized in that: described properties-correcting agent is the mixture of coupling agent and fatty acid ester.
4. shock resistance bumper according to claim 3, is characterized in that: described toughner is ethene and octene copolymer thermoplastic elastomer.
5. the manufacture method of the shock resistance bumper according to any one of Claims 1-4, is characterized in that comprising the following steps:
1), Co-polypropylene, homo-polypropylene, high density polyethylene(HDPE), thermoplastic elastomer, carbon fiber, anti-impact modifier, antioxidant and toughner are added in mixing tank stir 5-10 minute, whipping temp 90-110 DEG C, add nano-calcium carbonate more in a mixer and stir 2-4 minute, through twin screw extruder extruding pelletization, the extrusion temperature of twin screw extruder is 180-200 DEG C, screw speed is 200-290r/min, obtained plastic grain;
2), by above-mentioned plastic grain injection moulding in injection moulding machine is added, obtained described anti-aging plastic automobile bumper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221026.9A CN105086159A (en) | 2014-05-23 | 2014-05-23 | Impact resistant automobile bumper and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221026.9A CN105086159A (en) | 2014-05-23 | 2014-05-23 | Impact resistant automobile bumper and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105086159A true CN105086159A (en) | 2015-11-25 |
Family
ID=54567541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410221026.9A Withdrawn CN105086159A (en) | 2014-05-23 | 2014-05-23 | Impact resistant automobile bumper and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105086159A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243508A (en) * | 2016-08-29 | 2016-12-21 | 山东三岭汽车内饰有限公司 | A kind of lightweight environmental protection new automobile interior material |
| CN108794879A (en) * | 2018-04-04 | 2018-11-13 | 苏州润佳工程塑料股份有限公司 | A kind of bumper composite material and preparation method |
-
2014
- 2014-05-23 CN CN201410221026.9A patent/CN105086159A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243508A (en) * | 2016-08-29 | 2016-12-21 | 山东三岭汽车内饰有限公司 | A kind of lightweight environmental protection new automobile interior material |
| CN108794879A (en) * | 2018-04-04 | 2018-11-13 | 苏州润佳工程塑料股份有限公司 | A kind of bumper composite material and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20151125 |