CN104592633A - Material for automotive bumper bar and preparation method thereof - Google Patents
Material for automotive bumper bar and preparation method thereof Download PDFInfo
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- CN104592633A CN104592633A CN201510029727.7A CN201510029727A CN104592633A CN 104592633 A CN104592633 A CN 104592633A CN 201510029727 A CN201510029727 A CN 201510029727A CN 104592633 A CN104592633 A CN 104592633A
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- special material
- automobile bumper
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- talcum powder
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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
- 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
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a special material for an automotive bumper bar and a preparation method of the material, and relates to the technical field of manufacturing of powder packaging equipment. The material comprises the following components in percentage by weight: 50-70 percent of polypropylene resins, 15-20 percent of talcum powder, 5-10 percent of thermoplastic elastomers, 4-10 percent of compatilizers, 0.1-1 percent of antioxidant, 0.1-1 percent of light stabilizers and 1-5 percent of auxiliaries. The preparation method comprises the following operation steps: adding polypropylene resins, the thermoplastic elastomers, the compatilizers and the talcum powder into a mixing machine to be mixed and controlling the temperature to be between 55 and 65 DEG C; adding the antioxidant, the light stabilizers and the auxiliaries to be continuously mixed and controlling the temperature to be between 55 and 65 DEG C; adding materials which are uniformly mixed into a double-screw extrusion machine to be mixed; performing melt extrusion and pelletizing to obtain the special material for the automotive bumper bar. Compared with the prior art, the material is relatively high in impact resistance property and relatively low in cost.
Description
Technical field
The present invention relates to powder and polypropylene technical field of composite materials, especially a kind of for nerf bar material and preparation method thereof.
Background technology
Nerf bar is large, the complex-shaped thin-walled large-sized structural component of a kind of surface-area, and its requires to possess excellent high/low-temperature impact, rigidity, thermotolerance, ageing resistance and can sprayability etc.Automobile insurance bar material is high to toughness reguirements, to ensure that automobile can absorb enough energy when being subject to clashing into, thus ensures the safety of passenger inside the vehicle.Prior art generally adopts the toughening modifying of nerf bar polypropylene material adds terpolymer EP rubber to reach toughness reinforcing object, but above-mentioned this toughner is expensive on the one hand, on the other hand due to containing divinyl, this kind of Long carbon chain comonomer and polypropylene matrix resin compatible poor, have impact on toughening effect.
Summary of the invention
Problem solved by the invention is to provide the polypropylene composite material that a kind of erosion-resisting characteristics is higher, cost is lower.
In order to solve the problem, the technical solution used in the present invention is: this kind of Special material for automobile bumper, and it includes the composition of following weight percent:
Acrylic resin 50% ~ 70%,
Talcum powder 15% ~ 20%,
Thermoplastic elastomer 5% ~ 10%,
Compatilizer 4% ~ 10%,
Oxidation inhibitor 0.1% ~ 1%,
Photostabilizer 0.1% ~ 1%,
Auxiliary agent 1% ~ 5%.
In technique scheme, technical scheme can also be more specifically: described acrylic resin is homo-polypropylene.
Further: described homo-polypropylene resin melting index is 1g/10min ~ 100g/10min.
Further: described thermoplastic elastomer is ethylene-propylene rubber(EPR).
Further: described compatilizer is ethylene-propylene-1-butylene ternary block polymer.
Further: described oxidation inhibitor is the mixture of one or more in Hinered phenols, phosphorous acid esters, thio-based.
Further: described photostabilizer is the mixture of one or more in hindered amine light stabilizer, photomask agent, UV light absorber, quencher.
Further: described processing aid is the mixture of one or more in lubricant, toner, white dyes.
The preparation method of this Special material for automobile bumper, it comprises following operation steps:
(1) acrylic resin, thermoplastic elastomer, compatilizer, talcum powder are added mixing machine mixing, temperature controls at 55 DEG C ~ 65 DEG C;
(2) add oxidation inhibitor, photostabilizer, auxiliary agent continuation mixing, temperature controls at 55 DEG C ~ 65 DEG C;
(3) join in twin screw extruder mixing by the material mixed, through melt extruding, granulation, obtains this Special material for automobile bumper.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect: the present invention is by adding compatilizer ethylene-propylene-1-butylene ternary block polymer in the composite, increase the consistency of thermoplastic elastomer, give full play to thermoplastic elastomer to polyacrylic toughening functions.Therefore this automobile insurance bar material has higher shock strength, and lower cost, can meet the demand of client to high performance-price ratio automobile insurance bar material better.
Embodiment
Below in conjunction with example, the invention will be further described:
Embodiment 1:
The weight percent of each component of Special material for automobile bumper is: homo-polypropylene 50%, and homo-polypropylene resin melting index is 1g/10min ~ 100g/10min; Talcum powder 15%, ethylene-propylene rubber(EPR) 5%, ethylene-propylene-1-butylene ternary block polymer 4%, Hinered phenols 0.1%, hindered amine light stabilizer 0.1%, lubricant 1%.
Preparation manipulation step is:
(1) homo-polypropylene, ethylene-propylene rubber(EPR), ethylene-propylene-1-butylene ternary block polymer, talcum powder are added mixing machine mixing, temperature controls at 55 DEG C ~ 65 DEG C;
(2) add Hinered phenols, hindered amine light stabilizer, lubricant continuation mixing, temperature controls at 55 DEG C ~ 65 DEG C;
(3) material mixed is joined in twin screw extruder mixing, forcing machine is 190 DEG C ~ 210 DEG C by each section an of district of district to nine temperature, 190 DEG C ~ 210 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, main-machine screw rotating speed is 550-600r/min, and feeding machine frequency is 15-20Hz; The material strip melt extruded cooled through tank, air-dry, pelletizing, packaging, namely obtains this Special material for automobile bumper.
Embodiment 2:
The weight percent of each component of Special material for automobile bumper is: homo-polypropylene 55%, and homo-polypropylene resin melting index is 1g/10min ~ 100g/10min; Talcum powder 20%, ethylene-propylene rubber(EPR) 15%, ethylene-propylene-1-butylene ternary block polymer 6%, phosphorous acid esters 0.5%, photomask agent 0.5%, toner 1%, white dyes 3%.
Preparation manipulation step is:
(1) homo-polypropylene, ethylene-propylene rubber(EPR), ethylene-propylene-1-butylene ternary block polymer, talcum powder are added mixing machine mixing, temperature controls at 55 DEG C ~ 65 DEG C;
(2) add phosphorous acid esters, photomask agent, toner and white dyes and continue mixing, temperature controls at 55 DEG C ~ 65 DEG C;
(3) material mixed is joined in twin screw extruder mixing, forcing machine is 190 DEG C ~ 210 DEG C by each section an of district of district to nine temperature, 190 DEG C ~ 210 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, main-machine screw rotating speed is 550-600r/min, and feeding machine frequency is 15-20Hz; The material strip melt extruded cooled through tank, air-dry, pelletizing, packaging, namely obtains this Special material for automobile bumper.
Embodiment 3:
The weight percent of each component of Special material for automobile bumper is: homo-polypropylene 70%, and homo-polypropylene resin melting index is 1g/10min ~ 100g/10min; Talcum powder 15%, ethylene-propylene rubber(EPR) 15%, ethylene-propylene-1-butylene ternary block polymer 10%, thio-based 1%, UV light absorber 0.5%, quencher 0.5%, white dyes 5%.
Preparation manipulation step is:
(1) homo-polypropylene, ethylene-propylene rubber(EPR), ethylene-propylene-1-butylene ternary block polymer, talcum powder are added mixing machine mixing, temperature controls at 55 DEG C ~ 65 DEG C;
(2) add thio-based, UV light absorber and quencher, white dyes continues mixing, temperature controls at 55 DEG C ~ 65 DEG C;
(3) material mixed is joined in twin screw extruder mixing, forcing machine is 190 DEG C ~ 210 DEG C by each section an of district of district to nine temperature, 190 DEG C ~ 210 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, 200 DEG C ~ 220 DEG C, main-machine screw rotating speed is 550-600r/min, and feeding machine frequency is 15-20Hz; The material strip melt extruded cooled through tank, air-dry, pelletizing, packaging, namely obtains this Special material for automobile bumper.
In above-mentioned example, the mechanical property of resulting materials is as shown in Table 1:
Table 1
Claims (9)
1. a Special material for automobile bumper, is characterized in that the composition including following weight percent:
Acrylic resin 50% ~ 70%,
Talcum powder 15% ~ 20%,
Thermoplastic elastomer 5% ~ 10%,
Compatilizer 4% ~ 10%,
Oxidation inhibitor 0.1% ~ 1%,
Photostabilizer 0.1% ~ 1%,
Auxiliary agent 1% ~ 5%.
2. Special material for automobile bumper according to claim 1, is characterized in that: described acrylic resin is homo-polypropylene.
3. Special material for automobile bumper according to claim 2, is characterized in that: described homo-polypropylene resin melting index is 1g/10min ~ 100g/10min.
4. Special material for automobile bumper according to claim 1, is characterized in that: described thermoplastic elastomer is ethylene-propylene rubber(EPR).
5. Special material for automobile bumper according to claim 1, is characterized in that: described compatilizer is ethylene-propylene-1-butylene ternary block polymer.
6. Special material for automobile bumper according to claim 1, is characterized in that: described oxidation inhibitor is the mixture of one or more in Hinered phenols, phosphorous acid esters, thio-based.
7. Special material for automobile bumper according to claim 1, is characterized in that: described photostabilizer is the mixture of one or more in hindered amine light stabilizer, photomask agent, UV light absorber, quencher.
8. according to the Special material for automobile bumper described in claim 1, it is characterized in that: described processing aid is the mixture of one or more in lubricant, toner, white dyes.
9. a preparation method for Special material for automobile bumper, is characterized in that comprising the steps:
(1) acrylic resin, thermoplastic elastomer, compatilizer, talcum powder are added mixing machine mixing, temperature controls at 55 DEG C ~ 65 DEG C;
(2) add oxidation inhibitor, photostabilizer, auxiliary agent continuation mixing, temperature controls at 55 DEG C ~ 65 DEG C;
(3) join in twin screw extruder mixing by the material mixed, through melt extruding, granulation, obtains this Special material for automobile bumper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510029727.7A CN104592633A (en) | 2015-01-21 | 2015-01-21 | Material for automotive bumper bar and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510029727.7A CN104592633A (en) | 2015-01-21 | 2015-01-21 | Material for automotive bumper bar and preparation method thereof |
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| CN104592633A true CN104592633A (en) | 2015-05-06 |
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| CN201510029727.7A Pending CN104592633A (en) | 2015-01-21 | 2015-01-21 | Material for automotive bumper bar and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107501743A (en) * | 2016-06-14 | 2017-12-22 | 合肥杰事杰新材料股份有限公司 | A kind of low after-contraction PP composite material for car insurance bar and preparation method thereof |
| CN107674299A (en) * | 2017-09-30 | 2018-02-09 | 无锡厚发自动化设备有限公司 | A kind of car insurance bar composite light material and preparation method thereof |
| CN110540700A (en) * | 2019-07-20 | 2019-12-06 | 浙江飞碟汽车制造有限公司 | high-melt-strength foamable modified PP material and preparation method thereof |
| EP4035881A4 (en) * | 2019-09-25 | 2023-08-30 | Mitsui Chemicals, Inc. | Three-dimensional modeling material, three-dimensional modeled object, and production method for three-dimensional modeled object |
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| CN101429306A (en) * | 2008-12-11 | 2009-05-13 | 南京金杉汽车工程塑料有限责任公司 | Special-purpose material for super low-temperature resistant automobile bumper and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107674299A (en) * | 2017-09-30 | 2018-02-09 | 无锡厚发自动化设备有限公司 | A kind of car insurance bar composite light material and preparation method thereof |
| CN110540700A (en) * | 2019-07-20 | 2019-12-06 | 浙江飞碟汽车制造有限公司 | high-melt-strength foamable modified PP material and preparation method thereof |
| EP4035881A4 (en) * | 2019-09-25 | 2023-08-30 | Mitsui Chemicals, Inc. | Three-dimensional modeling material, three-dimensional modeled object, and production method for three-dimensional modeled object |
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Application publication date: 20150506 |