CN105623099A - Commercial vehicle reclaimed modified fender material and preparation method thereof - Google Patents
Commercial vehicle reclaimed modified fender material and preparation method thereof Download PDFInfo
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- CN105623099A CN105623099A CN201610150433.4A CN201610150433A CN105623099A CN 105623099 A CN105623099 A CN 105623099A CN 201610150433 A CN201610150433 A CN 201610150433A CN 105623099 A CN105623099 A CN 105623099A
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- mud guard
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
-
- 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
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
Abstract
The invention discloses a commercial vehicle recycled modified fender material and a preparation method thereof. The material is prepared from, by weight, 30%-58% of polypropylene reclaimed materials, 20%-40% of reclaimed toughening agent, 20%-30% of mineral powder, 0.1%-0.5% of antioxidant, 0.1%-0.5% parts of light stabilizer and 0.1%-0.5% of ultraviolet absorbent. According to the commercial vehicle recycled modified fender material and the preparation method thereof, the polypropylene reclaimed materials and waste film materials serve as raw materials for preparation, and the current reuse problem of the waste materials is well solved; meanwhile, the production cost of the fender is saved, the reclaimed materials are subjected to purification, cleaning, drying, homogenization and regeneration, and the stable use performance is achieved. A hindered amine light stabilizer is adopted, a light and oxygen degradation reaction is inhibited through various paths of capturing free radicals, resolving hydroperoxide, delivering excited molecule energy and the like; a benzotriazole ultraviolet absorbent and the hindered amine light stabilizer are used together, the synergistic effect is achieved, and the anti-aging capacity of the material can be improved by 2-4 times.
Description
Technical field
What the present invention relates to a kind of auto parts machinery prepares material and its preparation method, particularly relates to a kind of commercial car regenerating and modifying mud guard material and its preparation method.
Background technology
Fender is exactly the effect playing gear mud as its name suggests, ponding etc. can be splash and produce splash by automobile (particularly big lorry, commercial car etc.) when the road traveling of ponding, other personnel on officer and road can be caused disadvantageous effect by this, therefore its effect be reduce water smoke that in motion, doughnut splashes, harm that automobile is produced by the splash such as silt, and the water smoke that seizure is collected, the splash such as silt guiding ground, prevent earth splash pull bar, bulb and cause getting rusty too early. Owing to the working conditions of mud guard is special, therefore it is prepared material and must meet the following conditions:
(1) fender is positioned at the front of doughnut, and when running car, the stone splash due to rolling of automobile may break mud guard, loses due effect, and therefore the material require of mud guard has higher intensity and toughness; (2) when rainy weather, mud guard being stained with some sewage and dirt, mud guard can be produced certain corrosive nature by these sewage and dirt, and therefore, the material require of fender has corrosion-resisting function; (3) Working environment of mud guard is outdoor, and light in air, heat or ultraviolet can cause aging, and therefore, fender to be had certain resistance to deterioration; (4) in order to reduce the loss of fuel oil, when Automobile Design, under meeting the prerequisite of mechanical property, quality is more light more good, and density of material is as far as possible little; (5) in order to realize green manufacturing, mud guard should reduce the pollution problem to environment as much as possible in process for processing; (6) owing to the working conditions of mud guard limits, the heat of mud guard material therefor, machinery and chemical property must meet the requirements all the time under expection working conditions, have good workability.
The polypropylene material of the mild steel plate that the material meeting service requirements at present mainly contains in metal and activeness and quietness, their performance is comparatively stable, and can meet the performance requriements of mud guard under various working conditions. But adopt above-mentioned materials can not solve the recycling problem of resource.
Because the defect that above-mentioned existing mud guard material exists, the present inventor is based on being engaged in practical experience and the expertise that this type of product design manufacture is enriched for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, to founding a kind of novel commercial car regenerating and modifying mud guard material and its preparation method so that it is have more practicality. Through constantly research, design, and after examination repeatedly is made sample and improved, finally create the present invention having practical value.
Summary of the invention
The main purpose of the present invention is, overcomes the defect that existing mud guard material exists, and provides a kind of novel commercial car regenerating and modifying mud guard material and its preparation method, it is achieved green production, thus is more suitable for practicality, and the utility value having in industry.
The object of the invention to solve the technical problems realizes by the following technical solutions. The commercial car regenerating and modifying mud guard material proposed according to the present invention, comprises each component of following weight part,
As scheme most preferably, polypropylene reclaimed materials is one or both the mixture in bumper reclaimed materials or refrigerator pallet reclaimed materials.
As regenerative process through removal of impurities, cleaning, homogenizing, regeneration, oven dry of further preferred scheme, polypropylene reclaimed materials and regeneration toughner, to guarantee raw-material stability and use properties.
Aforesaid commercial car regenerating and modifying mud guard material, described regeneration toughner is the compound of reclamation film material; As scheme most preferably, regeneration toughner is that POE film material, SBS film material and the LLDPE film material reclaimed is made according to mass ratio 1:1:2 is composite.
Aforesaid commercial car regenerating and modifying mud guard material, described mineral powder is any one in surface treated rhombspar, mica powder, wollastonite, Sodium sulfate anhydrous.min(99), talcum powder or zeolite powder.
Aforesaid commercial car regenerating and modifying mud guard material, the particle diameter of described mineral powder is 1250 order��3000 orders.
Aforesaid commercial car regenerating and modifying mud guard material, described oxidation inhibitor is processed-type phosphorous acid esters, as or sulphur ester antioxidant in one; Processed-type phosphite ester kind antioxidant is such as 168,626, and sulphur ester antioxidant is such as DLTP, DSTP.
Aforesaid commercial car regenerating and modifying mud guard material, described photostabilizer is hindered amine as light stabilizer, such as HS-962, HS-362 or HS-944, suppress light, oxygen DeR by catching the number of ways such as the energy of free radical, hydroperoxide decomposition and transmission excited state molecule.
Aforesaid commercial car regenerating and modifying mud guard material, described uv-absorbing agent is benzotriazole UV absorbers, and such as UV-327 or UV-326, benzotriazole UV absorbers and hindered amine as light stabilizer are also used, there is synergy, the ageing-resistant ability of material can be made to improve 2��4 times.
The preparation method of commercial car regenerating and modifying mud guard material, comprises following operation steps,
Step one: taking polypropylene reclaimed materials and regeneration toughner in proportion, low speed adds oxidation inhibitor, photostabilizer and uv-absorbing agent after mixing in advance, mixes in advance at a high speed, obtains pre-composition;
Step 2: mineral powder is mixed with pre-composition, extrude through melting, tie rod, cooling, drying, granulation, obtained target product.
The preparation method of aforesaid commercial car regenerating and modifying mud guard material, in described step 2, the mixing temperature of mineral powder and pre-composition is 180��220 DEG C, and mixing rotating speed is 30��60 turns/min.
By technique scheme, the commercial car regenerating and modifying mud guard material of the present invention and its preparation method at least have following advantage:
The commercial car regenerating and modifying mud guard material of the present invention, use polypropylene reclaimed materials and waste film material as the starting material prepared, well solve the recycling problem of current waste and scrap, save the preparation cost of mud guard simultaneously, and Recycled materials are through the regenerative process of removal of impurities, cleaning, homogenizing, regeneration, oven dry, there is stable use properties; Adopt hindered amine as light stabilizer, suppress light, oxygen DeR by catching the number of ways such as the energy of free radical, hydroperoxide decomposition and transmission excited state molecule; Benzotriazole UV absorbers and hindered amine as light stabilizer use, have synergy, the ageing-resistant ability of material can be made to improve 2��4 times. Material has preferably mechanical property, excellent ageing resistance and excellent processing characteristics, meets the service requirements of mud guard material. The preparation technology of the present invention overcomes the not good defect of the material mixing performance that causes of inequality, and preparation technology's entirety operation is relatively simple, and the condition of preparation is less demanding, is applicable to applying on a large scale.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand the technique means of the present invention, and can be implemented according to the content of specification sheets, be described in detail as follows with the better embodiment of the present invention below.
Embodiment
Reach, for further setting forth the present invention, technique means and effect that predetermined goal of the invention is taked, to the commercial car regenerating and modifying mud guard material proposed according to the present invention and its embodiment of its preparation method, feature and effect thereof, it is described in detail as follows.
Embodiment 1
The commercial car regenerating and modifying mud guard material of the present invention, comprises each component of following weight part: bumper polypropylene reclaimed materials 30 weight part; Regeneration toughner 39 weight part, is made up according to mass ratio 1:1:2 is composite of the POE film material reclaiming, SBS film material and LLDPE film material; Mineral powder 30 weight part is surface treated mica powder, and particle diameter is 1800 orders; DLTP sulphur ester antioxidant 0.2 weight part; HS-362 hindered amine as light stabilizer 0.3 weight part; UV-327 benzotriazole UV absorbers 0.5 weight part.
The commercial car regenerating and modifying mud guard material preparation process of the present invention, comprises following operation steps,
Step one: prepare starting material, composition takes each component by weight, and the polypropylene reclaimed materials weighed up and regeneration toughner are placed in high-speed mixer, adding minute quantity white oil, low speed adds oxidation inhibitor, photostabilizer and uv-absorbing agent after mixing 3min in advance, high-speed mixing 15min, obtains pre-composition; Mineral powder is placed in the side drawing-in device system of parallel equidirectional two-screw forcing machine;
Step 2: open equidirectional parallel double-screw extruder, temperature 200 DEG C, rotating speed 40 turns/min, pour pre-composition into opening for feed, opening side drawing-in device system, mineral powder is inputted with certain speed, after mixing with pre-composition, extrude through melting, tie rod, cooling, drying, granulation, namely obtain target product. Wherein melting extrude, tie rod, cooling, drying, granulation operations process identical with conventional material produce process.
Embodiment 2
The commercial car regenerating and modifying mud guard material of the present invention, comprises each component of following weight part: bumper polypropylene reclaimed materials 40 weight part; Regeneration toughner 35 weight part, is made up according to mass ratio 1:1:2 is composite of the POE film material reclaiming, SBS film material and LLDPE film material; Mineral powder 24 weight part is surface treated wollastonite, and particle diameter is 2200 orders; DSTP sulphur ester antioxidant 0.2 weight part; HS-962 hindered amine as light stabilizer 0.4 weight part; UV-326 benzotriazole UV absorbers 0.4 weight part.
The commercial car regenerating and modifying mud guard material preparation process of the present invention, comprises following operation steps,
Step one: prepare starting material, composition takes each component by weight, and the polypropylene reclaimed materials weighed up and regeneration toughner are placed in high-speed mixer, adding minute quantity white oil, low speed adds oxidation inhibitor, photostabilizer and uv-absorbing agent after mixing 5min in advance, high-speed mixing 18min, obtains pre-composition; Mineral powder is placed in the side drawing-in device system of parallel equidirectional two-screw forcing machine;
Step 2: open equidirectional parallel double-screw extruder, temperature 180 DEG C, rotating speed 35 turns/min, pour pre-composition into opening for feed, opening side drawing-in device system, mineral powder is inputted with certain speed, after mixing with pre-composition, extrude through melting, tie rod, cooling, drying, granulation, namely obtain target product. Wherein melting extrude, tie rod, cooling, drying, granulation operations process identical with conventional material produce process.
Embodiment 3
The commercial car regenerating and modifying mud guard material of the present invention, comprises each component of following weight part: refrigerator pallet polypropylene reclaimed materials 50 weight part; Regeneration toughner 24 weight part, is made up according to mass ratio 1:1:2 is composite of the POE film material reclaiming, SBS film material and LLDPE film material; Mineral powder 25 weight part is surface treated talcum powder, and particle diameter is 2800 orders; DSTP sulphur ester antioxidant 0.2 weight part; HS-962 hindered amine as light stabilizer 0.5 weight part; UV-326 benzotriazole UV absorbers 0.3 weight part.
The commercial car regenerating and modifying mud guard material preparation process of the present invention, comprises following operation steps,
Step one: prepare starting material, composition takes each component by weight, and the polypropylene reclaimed materials weighed up and regeneration toughner are placed in high-speed mixer, adding minute quantity white oil, low speed adds oxidation inhibitor, photostabilizer and uv-absorbing agent after mixing 4min in advance, high-speed mixing 20min, obtains pre-composition; Mineral powder is placed in the side drawing-in device system of parallel equidirectional two-screw forcing machine;
Step 2: open equidirectional parallel double-screw extruder, temperature 220 DEG C, rotating speed 55 turns/min, pour pre-composition into opening for feed, opening side drawing-in device system, mineral powder is inputted with certain speed, after mixing with pre-composition, extrude through melting, tie rod, cooling, drying, granulation, namely obtain target product. Wherein melting extrude, tie rod, cooling, drying, granulation operations process identical with conventional material produce process.
Embodiment 4
The commercial car regenerating and modifying mud guard material of the present invention, comprises each component of following weight part: refrigerator pallet polypropylene reclaimed materials 58 weight part; Regeneration toughner 20 weight part, is made up according to mass ratio 1:1:2 is composite of the POE film material reclaiming, SBS film material and LLDPE film material; Mineral powder 21 weight part is surface treated talcum powder, and particle diameter is 2800 orders; DSTP sulphur ester antioxidant 0.1 weight part; HS-962 hindered amine as light stabilizer 0.5 weight part; UV-326 benzotriazole UV absorbers 0.4 weight part.
The commercial car regenerating and modifying mud guard material preparation process of the present invention, comprises following operation steps,
Step one: prepare starting material, composition takes each component by weight, and the polypropylene reclaimed materials weighed up and regeneration toughner are placed in high-speed mixer, adding minute quantity white oil, low speed adds oxidation inhibitor, photostabilizer and uv-absorbing agent after mixing 4min in advance, high-speed mixing 20min, obtains pre-composition; Mineral powder is placed in the side drawing-in device system of parallel equidirectional two-screw forcing machine;
Step 2: open equidirectional parallel double-screw extruder, temperature 220 DEG C, rotating speed 55 turns/min, pour pre-composition into opening for feed, opening side drawing-in device system, mineral powder is inputted with certain speed, after mixing with pre-composition, extrude through melting, tie rod, cooling, drying, granulation, namely obtain target product. Wherein melting extrude, tie rod, cooling, drying, granulation operations process identical with conventional material produce process.
Performance test
Material the various embodiments described above prepared carries out Performance Detection, density is according to the standard testing of GB/T1033.1-2008, tensile strength and elongation at break are according to the standard testing of GB/T1040-2006, flexural strength and modulus in flexure are according to the standard testing of GB/T9341-2008, the standard testing of shock strength GB/T1843-2008, the ageing-resistant experiment of xenon lamp is according to the standard testing of GB/T16422.2-2014, and material performance index prepared by each embodiment is as shown in table 1.
The each embodiment performance of table 1
Xenon light shining 500 hours, material property prepared by embodiment is in table 2.
Table 2 Xenon light shining is performance after 500 hours
By the data of table 1 it may be seen that material prepared by the proportioning of employing the present invention and preparation technology has good mechanical property and use properties. Xenon lamp experiment illumination 500 hours, is equivalent to normal use 1 year in reality, and as can be seen from the above data, tensile strength and flexural strength rise all to some extent. Xenon lamp irradiates the decline that mechanical property mainly shows as toughness, and the raising of tensile strength and flexural strength. Why plastics can be aging, it is because material can be subject to the effect of light and oxygen in nature, light and oxygen make to produce free radical in the molecular chain of Plastic Resin and auxiliary agent, itself and oxygen reaction form oxyradical and peroxidation free radical, change free radical and can capture the hydrogen in resin base auxiliary molecules chain, generate hydroperoxide, cracking can be there is in unstable hydroperoxide, produce active free radical, new hydroperoxide are generated again with oxygen reaction, reciprocation cycle produces autocatalytically oxidizing reaction, finally makes resin segment rupture, degrade. And use the commercial car mud guard not only ageing-resistant performance excellence that the present invention obtains, and there is preferably toughness, mud guard outdoor study environment can be met completely.
The above, it it is only the better embodiment of the present invention, not the present invention is done any restriction in form, although the present invention discloses as above with better embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or it is modified to the equivalent embodiment of equivalent variations, in every case it is the content not departing from technical solution of the present invention, the any simple modification above embodiment done according to the technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. a commercial car regenerating and modifying mud guard material, it is characterised in that: each component comprising following weight part,
2. commercial car regenerating and modifying mud guard material according to claim 1, it is characterised in that: described regeneration toughner is the compound of reclamation film material.
3. commercial car regenerating and modifying mud guard material according to claim 1, it is characterised in that: described mineral powder is any one in surface treated rhombspar, mica powder, wollastonite, Sodium sulfate anhydrous.min(99), talcum powder or zeolite powder.
4. commercial car regenerating and modifying mud guard material according to claim 1 or 3, it is characterised in that: the particle diameter of described mineral powder is 1250 order��3000 orders.
5. commercial car regenerating and modifying mud guard material according to claim 1, it is characterised in that: described oxidation inhibitor is the one in processed-type phosphorous acid esters or sulphur ester antioxidant.
6. commercial car regenerating and modifying mud guard material according to claim 1, it is characterised in that: described photostabilizer is hindered amine as light stabilizer.
7. commercial car regenerating and modifying mud guard material according to claim 1, it is characterised in that: described uv-absorbing agent is benzotriazole UV absorbers.
8. the preparation method of commercial car regenerating and modifying mud guard material, it is characterised in that: comprise following operation steps,
Step one: taking polypropylene reclaimed materials and regeneration toughner in proportion, low speed adds oxidation inhibitor, photostabilizer and uv-absorbing agent after mixing in advance, mixes in advance at a high speed, obtains pre-composition;
Step 2: mineral powder is mixed with pre-composition, extrude through melting, tie rod, cooling, drying, granulation, obtained target product.
9. the preparation method of commercial car regenerating and modifying mud guard material according to claim 8, it is characterised in that: in described step 2, the mixing temperature of mineral powder and pre-composition is 180��220 DEG C, and mixing rotating speed is 30��60 turns/min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109265800A (en) * | 2018-09-04 | 2019-01-25 | 武汉升瑞通管业有限公司 | A kind of PE pipe and its production technology |
| JP2020007424A (en) * | 2018-07-05 | 2020-01-16 | 三菱電機株式会社 | Regenerated styrene resin composition |
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Application publication date: 20160601 |