CN105542297A - Regenerative composite for automobile parts and preparing technology of regenerative composite - Google Patents
Regenerative composite for automobile parts and preparing technology of regenerative composite Download PDFInfo
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- CN105542297A CN105542297A CN201610151483.4A CN201610151483A CN105542297A CN 105542297 A CN105542297 A CN 105542297A CN 201610151483 A CN201610151483 A CN 201610151483A CN 105542297 A CN105542297 A CN 105542297A
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
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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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a regenerative composite for automobile parts and a preparing technology of the regenerative composite. The regenerative composite is prepared from, by weight, 30-70 parts of recycled materials, 10-40 parts of long glass fibers, 5-10 parts of nanometer titania, 5-10 parts of a compatibilizer, 5-10 parts of ethylene-octene copolymer, 1-5 parts of silicone master batch and 0.2-3 parts of an anti-aging auxiliary. According to the regenerative composite for automobile parts, the recycled materials serve as raw materials, so that the cost of the raw materials is reduced; According to the regenerative PP/LGF composite for high-strength automobile parts, the length of the fibers is maintained to a certain degree, the fibers are uniformly dispersed in a base material, and a toughening agent and a nanometer filling modification material are supplemented, so that the mechanical property of the composite is improved to a great extent, and the composite can replace common ABS engineering plastic and short-fiber reinforced nylon materials in application.
Description
Technical field
The present invention relates to a kind of twice-laid stuff, particularly relate to a kind of regenerated composite material for automobile component and preparation technology thereof.
Background technology
What require along with environmental protection, energy-saving and emission-reduction improves constantly, the development principal direction that automotive light weight technology, component produce low-consumption high-efficiency, recoverable has become modern automobile industry.In the developed country such as the U.S., Japan, the long glass fibres thermoplastic material of recoverable, light weight, high strength is widely used on automobile.The Reinforced Polypropylene such as glass and mineral material has been widely used in the field such as electrical component and automobile component, as tail gate baffle plate, panel board, battery bracket, front end assemblies, control electricity box, chassis cover plate, seat support etc.Polypropylene, as a kind of apolar thermoplastic's green plastic, is widely used in the industries such as household electrical appliance, articles for daily use wrapping material, automotive industry.The shortcomings such as some such as shrinking percentages are large although polypropylene also exists, low temperature brittleness, can widen its range of application by modification, itself and other organic or inorganic material is carried out compound by wherein conventional modified method exactly.The modified polypropene PP Pipe Compound of research and development good mechanical performance, the application substituting common ABS engineering plastics and short fiber Reinforced Nylon has become a kind of main research tendency, and meanwhile, effectively reducing costs also is the problem comparatively paid close attention at present.
Because the defect that above-mentioned existing regenerated composite material exists, the present inventor is based on being engaged in the practical experience and expertise that this type of product design manufacture enriches for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, to founding a kind of new automobile component regenerated composite material and preparation technology thereof, it is made to have more practicality.Through constantly research, design, and through repeatedly studying sample and after improving, finally creating the present invention had practical value.
Summary of the invention
Main purpose of the present invention is, overcomes the defect that existing regenerated composite material exists, and provides a kind of new automobile component regenerated composite material and preparation technology thereof, reduce costs, thus be more suitable for practicality, and have the utility value in industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of automobile component regenerated composite material that the present invention proposes, be made up of each component of following weight part,
Aforesaid automobile component regenerated composite material, described reclaimed materials is that the regeneration of polypropylene-base washing machine recovery broken material is obtained, and melt flow rate (MFR) is 25 ~ 45g/10min, density < 0.92g/cm
3, shock strength>=6KJ/m
2, tensile strength>=21MPa, flexural strength>=25MPa.
Aforesaid automobile component regenerated composite material, described long glass fibres is through coupling agent surface treatment.
Aforesaid automobile component regenerated composite material, described nano titanium oxide is through coupling agent surface treatment.
Aforesaid automobile component regenerated composite material, described expanding material is any one in PP grafted maleic anhydride, modified Nano silicon nitride/polypropylene composite material or PE grafted maleic anhydride.
Aforesaid automobile component regenerated composite material, described antiager bag is hindered amine light stabilizer, preferably press 2:1 composite 944 and 770, by 3:2 composite 622 and 770 in one; Described silicone master batch is Dow corning MB50-002, plays lubrication and falls glutinous effect.
The preparation technology of automobile component regenerated composite material, comprises following operation steps,
Step one, prepares starting material, and the waste material of recovery is obtained the reclaimed materials of production after regeneration;
Step 2, step one is processed the reclaimed materials obtained and be packed as A material and B material, it is for subsequent use that A material and other starting material are mixed to get compound;
Step 3, compound step 2 prepared and B expect and long glass fibres melt extrudes granulation jointly, obtained target product.
The preparation technology of aforesaid automobile component regenerated composite material, the materials recycling reclaimed in described step one operation comprises removal of impurities, cleaning, oven dry and homogenizing.
The preparation technology of aforesaid automobile component regenerated composite material, in described step 2, the mass ratio of A material and B material is 5 ~ 8:2 ~ 5.
The preparation technology of aforesaid automobile component regenerated composite material, in described step 3, compound step 2 prepared drops in preheated twin screw extruder, and temperature is 190 ~ 230 DEG C, and screw speed is 35 ~ 70 turns/min.
The preparation technology of aforesaid automobile component regenerated composite material, in described step 3, drops into single screw extrusion machine by B material; Compound, B material and long glass fibres prepared by described step 2 melt extrude granulation by twin screw extruder jointly; Fiber introducing device also should be added with fiber dispersion device and fiber towing mechanism, be conducive to fiber and be evenly dispersed in matrix resin, can certain staple length be retained after screw rod, ensure the intensity of matrix material
By technique scheme, automobile component regenerated composite material of the present invention and preparation technology thereof at least have following advantages:
Automobile component regenerated composite material of the present invention, the starting material used are reclaiming material, save raw materials cost, the regeneration PP/LGF matrix material prepared by the preparation technology of automobile component regenerated composite material of the present invention is used as high-strength vehicle component, glass fibre is made to retain certain length after Screw Extrusion by the improvement of technique, length is at 15mm ~ 35mm, and compare and be evenly dispersed in matrix resin, be aided with toughner and nano-filled material modified simultaneously, the mechanical property of matrix material is improved largely, the application of alternative common ABS engineering plastics and short fiber Reinforced Nylon material, resource is made to be fully used while reducing costs.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technique means of the present invention, and can be implemented according to the content of specification sheets, be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is preparation technology's schema of automobile component regenerated composite material of the present invention.
Embodiment
For further setting forth the present invention for the technique means reaching predetermined goal of the invention and take and effect, to the automobile component regenerated composite material proposed according to the present invention and its embodiment of preparation technology, feature and effect thereof, be described in detail as follows.
Embodiment 1
A PP/LGF regenerated composite material for high-strength vehicle component, the weight part of described each component is as follows: regeneration washing machine material 30 weight part; Long glass fibres 40 weight part; Nano titanium oxide 5 weight part; PE-g-MAH10 weight part; Ethylene-octene copolymer 9 weight part; Silicone master batch 4 weight part; Antiager bag be by 2:1 composite 944 and 770,2 weight parts.
Preparation method is as follows:
Step one: by the washing machine broken material retrieved through automatically removing thin material equipment, cross magnetic machine, salt solution cleaning equipment, cleaned after drying plant, starting material that impurity is few, then make starting material homogenizing obtain starting material regeneration washing machine material through homogenization installation;
Step 2: by the regeneration washing machine material that 6:4 packing is weighted, wherein 6 parts of regeneration washing machine material are placed in high-speed mixer mixing 15min with other auxiliary materials and auxiliary agent, and label A expects, wherein 4 parts of regeneration washing machine material label B expect, are placed in for subsequent use on one side;
Step 3: A material is dropped in preheated twin screw extruder, temperature controls 230 DEG C, screw speed controls 50 turns/min, B material drops into single screw extrusion machine, make B expect matrix melting, infiltrate scattered fiber by during fiber introducing device, expect melting mixing in the air outlet of twin screw extruder and A, extruding pelletization, the PP/LGF regenerated composite material of obtained high-strength vehicle component.
Embodiment 2
A PP/LGF regenerated composite material for high-strength vehicle component, the weight part of described each component is as follows: regeneration washing machine material 40 weight part; Long glass fibres 32 weight part; Nano titanium oxide 10 weight part; PP-g-MAH6 weight part; Ethylene-octene copolymer 7 weight part; Silicone master batch 3 weight part; Antiager bag be 3:2 composite 622 and 770,2 weight parts.
Preparation method is as follows:
Step one: by the washing machine broken material retrieved through automatically removing thin material equipment, cross magnetic machine, salt solution cleaning equipment, cleaned after drying plant, starting material that impurity is few, then make starting material homogenizing obtain starting material regeneration washing machine material through homogenization installation;
Step 2: by the regeneration washing machine material that 6:4 packing is weighted, wherein 6 parts of regeneration washing machine material are placed in high-speed mixer mixing 10min with other auxiliary materials and auxiliary agent, and label A expects, wherein 4 parts of regeneration washing machine material label B expect, are placed in for subsequent use on one side;
Step 3: A material is dropped in preheated twin screw extruder, temperature controls 205 DEG C, screw speed controls 55 turns/min, B material drops into single screw extrusion machine, make B expect matrix melting, infiltrate scattered fiber by during fiber introducing device, expect melting mixing in the air outlet of twin screw extruder and A, extruding pelletization, the PP/LGF regenerated composite material of obtained high-strength vehicle component.
Embodiment 3
A PP/LGF regenerated composite material for high-strength vehicle component, the weight part of described each component is as follows: regeneration washing machine material 50 weight part; Long glass fibres 24 weight part; Nano titanium oxide 8 weight part; PP-g-KH5707 weight part; Ethylene-octene copolymer 7 weight part; Silicone master batch 2 weight part; Antiager bag be 3:2 composite 622 and 770,2 weight parts.
Preparation method is as follows:
Step one: by the washing machine broken material retrieved through automatically removing thin material equipment, cross magnetic machine, salt solution cleaning equipment, cleaned after drying plant, starting material that impurity is few, then make starting material homogenizing obtain starting material regeneration washing machine material through homogenization installation;
Step 2: by the regeneration washing machine material that 6:4 packing is weighted, wherein 6 parts of regeneration washing machine material are placed in high-speed mixer mixing 20min with other auxiliary materials and auxiliary agent, and label A expects, wherein 4 parts of regeneration washing machine material label B expect, are placed in for subsequent use on one side;
Step 3: A material is dropped in preheated twin screw extruder, temperature controls 200 DEG C, screw speed controls 60 turns/min, B material drops into single screw extrusion machine, make B expect matrix melting, infiltrate scattered fiber by during fiber introducing device, expect melting mixing in the air outlet of twin screw extruder and A, extruding pelletization, the PP/LGF regenerated composite material of obtained high-strength vehicle component.
Embodiment 4
A PP/LGF regenerated composite material for high-strength vehicle component, the weight part of described each component is as follows: regeneration washing machine material 60 weight part; Long glass fibres 16 weight part; Nano titanium oxide 7.5 weight part; PP-g-MAH6.5 weight part; Ethylene-octene copolymer 6 weight part; Silicone master batch 2 weight part; Antiager bag be by 2:1 composite 944 and 770,2 weight parts.
Preparation method is as follows:
Step one: by the washing machine broken material retrieved through automatically removing thin material equipment, cross magnetic machine, salt solution cleaning equipment, cleaned after drying plant, starting material that impurity is few, then make starting material homogenizing obtain starting material regeneration washing machine material through homogenization installation;
Step 2: by the regeneration washing machine material that 6:4 packing is weighted, wherein 6 parts of regeneration washing machine material are placed in high-speed mixer mixing 10min with other auxiliary materials and auxiliary agent, and label A expects, wherein 4 parts of regeneration washing machine material label B expect, are placed in for subsequent use on one side;
Step 3: A material is dropped in preheated twin screw extruder, temperature controls 230 DEG C, screw speed controls 35 turns/min, B material drops into single screw extrusion machine, make B expect matrix melting, infiltrate scattered fiber by during fiber introducing device, expect melting mixing in the air outlet of twin screw extruder and A, extruding pelletization, the PP/LGF regenerated composite material of obtained high-strength vehicle component.
Embodiment 5
A PP/LGF regenerated composite material for high-strength vehicle component, the weight part of described each component is as follows: regeneration washing machine material 70 weight part; Long glass fibres 10 weight part; Nano titanium oxide 6.5 weight part; PE-g-MAH5 weight part; Ethylene-octene copolymer 5 weight part; Silicone master batch 1 weight part; Antiager bag be by 2:1 composite 944 and 770,2.5 weight parts.
Preparation method is as follows:
Step one: by the washing machine broken material retrieved through automatically removing thin material equipment, cross magnetic machine, salt solution cleaning equipment, cleaned after drying plant, starting material that impurity is few, then make starting material homogenizing obtain starting material regeneration washing machine material through homogenization installation;
Step 2: by the regeneration washing machine material that 6:4 packing is weighted, wherein 6 parts of regeneration washing machine material are placed in high-speed mixer mixing 10min with other auxiliary materials and auxiliary agent, and label A expects, wherein 4 parts of regeneration washing machine material label B expect, are placed in for subsequent use on one side;
Step 3: A material is dropped in preheated twin screw extruder, temperature controls 190 DEG C, screw speed controls 70 turns/min, B material drops into single screw extrusion machine, make B expect matrix melting, infiltrate scattered fiber by during fiber introducing device, expect melting mixing in the air outlet of twin screw extruder and A, extruding pelletization, the PP/LGF regenerated composite material of obtained high-strength vehicle component.
According to standard gauge, sample is customized to the embodiment of above-mentioned preparation, carry out Performance Detection, tensile strength is according to the standard testing of the standard testing of GB/T1040, shock strength GB/T1843, flexural strength according to the standard testing of GB/T1033, heat-drawn wire according to GB/T1634 standard testing, and result is as following table:
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred 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 be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. an automobile component regenerated composite material, is characterized in that: be made up of each component of following weight part,
2. automobile component regenerated composite material according to claim 1, is characterized in that: the melt flow rate (MFR) of described reclaimed materials is 25 ~ 45g/10min, density < 0.92g/cm
3, shock strength>=6KJ/m
2, tensile strength>=21MPa, flexural strength>=25MPa.
3. automobile component regenerated composite material according to claim 1, is characterized in that: described long glass fibres is through coupling agent surface treatment.
4. automobile component regenerated composite material according to claim 1, is characterized in that: described nano titanium oxide is through coupling agent surface treatment.
5. automobile component regenerated composite material according to claim 1, is characterized in that: described expanding material is any one in PP grafted maleic anhydride, modified Nano silicon nitride/polypropylene composite material or PE grafted maleic anhydride.
6. the preparation technology of automobile component regenerated composite material, is characterized in that: comprise following operation steps,
Step one, prepares starting material, and the waste material of recovery is obtained the reclaimed materials of production after regeneration;
Step 2, step one is processed the reclaimed materials obtained and be packed as A material and B material, it is for subsequent use that A material and other starting material are mixed to get compound;
Step 3, compound step 2 prepared and B expect and long glass fibres melt extrudes granulation jointly, obtained target product.
7. the preparation technology of automobile component regenerated composite material according to claim 6, is characterized in that: the materials recycling operation of reclaiming in described step one comprises removal of impurities, cleaning, oven dry and homogenizing.
8. the preparation technology of automobile component regenerated composite material according to claim 6, is characterized in that: in described step 2, the mass ratio of A material and B material is 5 ~ 8:2 ~ 5.
9. the preparation technology of automobile component regenerated composite material according to claim 6, it is characterized in that: in described step 3, compound step 2 prepared drops in preheated twin screw extruder, and temperature is 190 ~ 230 DEG C, and screw speed is 35 ~ 70 turns/min.
10. the preparation technology of automobile component regenerated composite material according to claim 9, is characterized in that: in described step 3, and B material is dropped into single screw extrusion machine; Compound, B material and long glass fibres prepared by described step 2 melt extrude granulation by twin screw extruder jointly.
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| CN108822396A (en) * | 2018-05-24 | 2018-11-16 | 合肥展游软件开发有限公司 | A kind of regenerated plastics computer desk material and preparation method thereof |
| CN110615946A (en) * | 2019-10-18 | 2019-12-27 | 江苏兆维塑料科技有限公司 | Communication cable junction box material and preparation method thereof |
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| CN110615946A (en) * | 2019-10-18 | 2019-12-27 | 江苏兆维塑料科技有限公司 | Communication cable junction box material and preparation method thereof |
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