CN109320845A - Modified polypropylene material and preparation method for automobile rear spoiler - Google Patents
Modified polypropylene material and preparation method for automobile rear spoiler Download PDFInfo
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- CN109320845A CN109320845A CN201811198155.5A CN201811198155A CN109320845A CN 109320845 A CN109320845 A CN 109320845A CN 201811198155 A CN201811198155 A CN 201811198155A CN 109320845 A CN109320845 A CN 109320845A
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- polypropylene
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of modified polypropylene materials for automobile rear spoiler to be prepared by the raw material of following components: high-crystallinity polypropylene 40.5%, high molten height rush polypropylene 30%, reinforcing filler 22%, compatilizer 5%, nucleating agent 0.3%, weather resisting agent 0.2%, antioxidant 0.2%, lubricant 0.3%, coupling agent 0.5%, black masterbatch 1%, and preparation method includes according to the ratio stirring reinforcing filler, coupling agent mixed at high speed；Polypropylene, compatilizer, nucleating agent, weather resisting agent, antioxidant, lubricant, black masterbatch is added to be mixed；Finished product is obtained after extrusion, cooling, drying, pelletizing.The present invention can solve existing automobile rear spoiler poor dimensional stability, the problem that coating performance is poor, heat resistance is bad.
Description
Technical field
The present invention relates to auto parts machinery manufacture technical field, especially a kind of modified polypropene for automobile rear spoiler
Material and preparation method.
Background technique
Automobile rear spoiler is a kind of complex-shaped large-sized structural component, prepare automobile rear spoiler material have compared with
High technique requirement, it is necessary to be provided simultaneously with excellent high/low-temperature impact, rigidity, heat resistance, environmental stress resistance, dimensionally stable
The performances such as property, resistance to ag(e)ing and alternating hot and cold stability.Existing major part automobile rear spoiler using PC/ABS alloy or
Pure ABS note blow molding forms, and major defect shows as that moisture pick-up properties is big, difficulty of processing is big, and manufactured goods are also easy to produce remnants
Internal stress, painting effect is poor, and fatigue durability is low, heat resistance is poor, environmental stress resistance is poor, and cost is also relatively high.
Summary of the invention
The problem to be solved by the invention is to provide a kind of modified polypropylene material for automobile rear spoiler and preparations
Method, to solve the problems, such as that existing automobile rear spoiler poor dimensional stability, coating performance is poor, heat resistance is bad.
To solve the above-mentioned problems, the technical scheme is that being originally used for the modified polypropene material of automobile rear spoiler
Material is prepared by the raw material of following components: high-crystallinity polypropylene 35%~55%, high molten height rush polipropene 25 %~30%, reinforcement
Filler 15%~25%, compatilizer 3%~6%, nucleating agent 0.1%~1%, weather resisting agent 0.1%~1%, antioxidant 0.2%~1%, profit
Lubrication prescription 0.2%~1%, coupling agent 0.4%~2%, black masterbatch 1%~3%.
In above-mentioned technical proposal, more specifically scheme may is that is prepared by the raw material of following components: highly crystalline poly-
Propylene 40.5%, high molten height rush polypropylene 30%, reinforcing filler 22%, compatilizer 5%, nucleating agent 0.3%, weather resisting agent 0.2%, antioxygen
Agent 0.2%, lubricant 0.3%, coupling agent 0.5%, black masterbatch 1%；
Wherein: reinforcing filler is that silica whisker or magnesium sulfate crystal whisker are compounded with talcum powder by 2:1；Compatilizer is polypropylene
Grafted maleic anhydride；Nucleating agent is polypropylene beta crystal nucleating agent；Weather resisting agent is hindered amine light stabilizer；Antioxidant is hindered phenol
Antioxidant and phosphite ester antioxidant 1:1 ratio compound；Lubricant is to have supportted double stearic amides；Coupling agent is silane coupled
Agent is compounded with Al-Ti-diffused steel coupling agent 3:1；Black masterbatch is content of carbon black 50%, PE carrier.
In above-mentioned technical proposal, the preparation method of the modified polypropylene material for automobile rear spoiler, including following step
It is rapid:
A, reinforcing filler, coupling agent mixed at high speed are stirred 5 minutes according to the ratio；
B, polypropylene, compatilizer, nucleating agent, weather resisting agent, antioxidant, lubricant, black masterbatch and step A are obtained according to the ratio mixed
Object mixed at high speed is closed to stir 4 minutes；
C, the mixture feeding double screw extruder obtained step B squeezes out；Wherein the extruder temperature of double screw extruder is 205
DEG C~220 DEG C, double-screw extruder screw revolving speed is 500r/min, and double screw extruder feeding frequency is 18Hz；
D, finished product is obtained after cooling, drying, pelletizing.
By adopting the above-described technical solution, compared with prior art, the present invention has the following advantages:
This is used for the modified polypropylene material and preparation method of automobile rear spoiler, utilizes high-crystallinity polypropylene and high molten Gao Chongju
Propylene compounding, improves the toughness of material, and strength rigid does not decline, can take into account raising processing performance.Slightly improve size
Stability；By using whisker in reinforcing filler, in the case where not influencing product surface finish, coating performance, greatly
The rigid of material and the dimensional stability of product are enhanced greatly；Whisker, talcum powder after coupling agent surface treatment, and it is compatible
The addition of agent is uniformly distributed each component dispersed phase and continuous phase, forms stable structure, enhances product paintable energy, and
And each phase materials compatibility of material is improved, processing performance also increases；The addition of nucleating agent can also improve the size of product
Stability, heat resistance further increase.
Specific embodiment
Below by specific embodiment, the present invention is described further:
Examples 1 to 4:
The specific percentage of example 1~4 and comparison example 1~3 is as shown in table 1 below:
In embodiment and comparative example composite-material formula, the high-crystallinity polypropylene: bending modulus >=1300MPa, notch
Impact strength >=every square metre of 5KJ is chosen big fellow's oiling (trade mark: CB5230)；
The molten height of height rushes polypropylene: the melting means range of test condition (230 DEG C, 2.16kg) is in 40~100g/10min, notch punching
>=every square metre of 7KJ is hit, is chosen Maoming Petrochemical (trade mark: PPB-MN50-G)；
Reinforcing filler is to choose magnesium sulfate crystal whisker to compound with talcum powder by 2:1, wherein diameter of whiskers are as follows: 0.5~2 μm, major diameter
Than: 30~60, calcium sulfate crystal whiskers choose upper seapeak Zhu (trade mark: NP-M02)；Talcum powder partial size is 2~5 μm, dioxide-containing silica
>=60%, talcum powder is chosen for the Guilin Shen bar Gui Guang (trade mark: 610D)；
Compatilizer is that polypropylene grafted maleic anhydride (grafting rate 0.8%~1.5%) chooses Guangzhou conjunction really (trade mark: HSI-009)；
Nucleating agent is polypropylene beta crystal nucleating agent (commercially available, dibenzyl sorbitol class nucleating agent)；
Weather resisting agent is hindered amine light stabilizer, is chosen BASF (trade mark: uv-791)；
Antioxidant is that hindered phenol antioxygen and phosphite ester antioxidant 1:1 ratio compound, selection BASF (trade mark:
Irganox1010, Irgafos168)；
Lubricant is to have supportted double stearic amides, is chosen Japanese Kao (trade mark: EB-FF)；
Coupling agent be silane coupling agent compounded with Al-Ti-diffused steel coupling agent 3:1, wherein silane coupling agent selection it is commercially available (trade mark:
KH550), Al-Ti-diffused steel coupling agent chooses Shanxi chemical institute (trade mark: OL-AT1618)；
Black masterbatch is content 50%, and the color masterbatch of PE carrier chooses Cabot Co., Ltd of the U.S. (trade mark: PE2718).
Embodiment 5~8:
By the proportion of Examples 1 to 4, the preparation method of the modified polypropylene material of automobile rear spoiler, comprising the following steps:
A, reinforcing filler, coupling agent mixed at high speed are stirred 5 minutes according to the ratio；
B, polypropylene, compatilizer, nucleating agent, weather resisting agent, antioxidant, lubricant, black masterbatch and step A are obtained according to the ratio mixed
Object mixed at high speed is closed to stir 4 minutes；
C, the mixture feeding double screw extruder obtained step B squeezes out；Wherein the extruder temperature of double screw extruder is 205
DEG C~220 DEG C, double-screw extruder screw revolving speed is 500r/min, and double screw extruder feeding frequency is 18Hz；
D, finished product is obtained after cooling, drying, pelletizing.
The test of 5~8 properties of product of embodiment:
Density: by GB1033.1-2008, step A-D preparation method is tested；
Chalpy impact performance: GB/T1843-2008 standard testing is pressed；
Heat distortion temperature: being carried out by GB/T1634.2-2004 standard, and test condition 0.46MPa is laid flat；
Tensile property: it is carried out by GB/T1040.2-2006 standard, test rate 5mm/min；
Bending property: it is carried out by GB/T9341-2008 standard, span 64mm, test rate 2mm/min；
Rockwell hardness: GB9342-1988 standard testing is pressed；
Melt flow rate (MFR)；By ISO1133-1 standard testing, test condition is 230 DEG C, 2.16Kg.
The performance test results of 4~6 resulting materials of examples detailed above 5~8 and comparison example are as shown in table 2:
From the point of view of the physical property result of above-mentioned table 2, polypropylene is rushed with the molten height of height using high-crystallinity polypropylene and compounds example 5~8 than single
The pure comparative example 4 using high-crystallinity polypropylene, other performances and decline is less while the impact property of material improves, so that material
Expect overall performance more comprehensively.Comparative example 5 using the example 5~8 of compatilizer than not using compatilizer, the overall performance of material are equal
It is all more outstanding.Example 5~8 using calcium sulfate crystal whiskers than not using the 6 of calcium sulfate crystal whiskers, the impact property of material, intensity,
Rigidity has sizable raising.
In conclusion a process for preparing automobile rear spoiler modified polypropylene material, ABS material can be replaced completely
Expect automobile rear spoiler, not only meets the requirements of automobile rear spoiler operating condition, while being also greatly reduced material cost,
It is good to improve processing performance, paintable energy, heat resistance and environmental stress resistance, product size stability；Heat resistance is good,
It is unlikely to deform under strong illumination；Improve processing performance, easy injection molding, easy coating；Its rigidity that product is made, intensity with
ABS material product is close, and solves the problems, such as product because of residualinternal stress, and painting effect is poor, fatigue durability is low, heat resistance is poor,
The problems such as environmental stress resistance is poor.
Claims (3)
1. a kind of modified polypropylene material for automobile rear spoiler, it is characterised in that by the raw material preparation of following components
At: high-crystallinity polypropylene 35%~55%, high molten height rush polipropene 25 %~30%, reinforcing filler 15%~20%, compatilizer 3%
~6%, nucleating agent 0.1%~1%, weather resisting agent 0.1%~1%, antioxidant 0.2%~1%, lubricant 0.2%~1%, coupling agent 0.4%~
2%, black masterbatch 1%~3%.
2. the modified polypropylene material according to claim 1 for automobile rear spoiler, it is characterised in that by with the following group
Point raw material be prepared: high-crystallinity polypropylene 40.5%, high molten height rush polypropylene 30%, reinforcing filler 22%, compatilizer 5%,
Nucleating agent 0.3%, weather resisting agent 0.2%, antioxidant 0.2%, lubricant 0.3%, coupling agent 0.5%, black masterbatch 1%；
Wherein:
Reinforcing filler is that silica whisker or magnesium sulfate crystal whisker are compounded with talcum powder by 2:1；
Compatilizer is polypropylene grafted maleic anhydride；
Nucleating agent is polypropylene beta crystal nucleating agent；
Weather resisting agent is hindered amine light stabilizer；
Antioxidant is that hindered phenol antioxygen and phosphite ester antioxidant 1:1 ratio compound；
Lubricant is to have supportted double stearic amides；
Coupling agent is that silane coupling agent is compounded with Al-Ti-diffused steel coupling agent 3:1；
Black masterbatch is content 50%, the color masterbatch of PE carrier.
3. the preparation method of the modified polypropylene material according to claim 1 or 2 for automobile rear spoiler, feature
Be the following steps are included:
A, reinforcing filler, coupling agent mixed at high speed are stirred 5 minutes according to the ratio；
B, polypropylene, compatilizer, nucleating agent, weather resisting agent, antioxidant, lubricant, black masterbatch and step A are obtained according to the ratio mixed
Object mixed at high speed is closed to stir 4 minutes；
C, the mixture feeding double screw extruder obtained step B squeezes out；Wherein the extruder temperature of double screw extruder is 205
DEG C~220 DEG C, double-screw extruder screw revolving speed is 500r/min, and double screw extruder feeding frequency is 18Hz；
D, finished product is obtained after cooling, drying, pelletizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811198155.5A CN109320845A (en) | 2018-10-15 | 2018-10-15 | Modified polypropylene material and preparation method for automobile rear spoiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811198155.5A CN109320845A (en) | 2018-10-15 | 2018-10-15 | Modified polypropylene material and preparation method for automobile rear spoiler |
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| CN109320845A true CN109320845A (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811198155.5A Pending CN109320845A (en) | 2018-10-15 | 2018-10-15 | Modified polypropylene material and preparation method for automobile rear spoiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112341716A (en) * | 2020-11-24 | 2021-02-09 | 江苏金发科技新材料有限公司 | Polypropylene composite material for laser welding and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090058887A (en) * | 2007-12-05 | 2009-06-10 | 주식회사 엘지화학 | Flame retardant polypropylene composition with enhanced long term heat resistance |
| CN101693777A (en) * | 2009-09-18 | 2010-04-14 | 苏州禾盛新型材料股份有限公司 | Material for vehicle bumper and preparation method thereof |
| CN103819817A (en) * | 2014-03-11 | 2014-05-28 | 株洲时代新材料科技股份有限公司 | Polypropylene composition with high fluidity and high dimensional stability and preparation method thereof |
| CN105504488A (en) * | 2015-12-16 | 2016-04-20 | 青岛立博汽车零部件精密铸造有限公司 | Novel polypropylene composite resin composition for automobile |
-
2018
- 2018-10-15 CN CN201811198155.5A patent/CN109320845A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090058887A (en) * | 2007-12-05 | 2009-06-10 | 주식회사 엘지화학 | Flame retardant polypropylene composition with enhanced long term heat resistance |
| CN101693777A (en) * | 2009-09-18 | 2010-04-14 | 苏州禾盛新型材料股份有限公司 | Material for vehicle bumper and preparation method thereof |
| CN103819817A (en) * | 2014-03-11 | 2014-05-28 | 株洲时代新材料科技股份有限公司 | Polypropylene composition with high fluidity and high dimensional stability and preparation method thereof |
| CN105504488A (en) * | 2015-12-16 | 2016-04-20 | 青岛立博汽车零部件精密铸造有限公司 | Novel polypropylene composite resin composition for automobile |
Non-Patent Citations (2)
| Title |
|---|
| 梁增田: "《塑料用涂料与涂装》", 30 March 2006 * |
| 王文广: "《聚合物改性原理》", 30 March 2018 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112341716A (en) * | 2020-11-24 | 2021-02-09 | 江苏金发科技新材料有限公司 | Polypropylene composite material for laser welding and preparation method thereof |
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Application publication date: 20190212 |
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