CN102634193A - Carbon fiber reinforced nylon composite material and preparation method thereof and automobile brake pedal - Google Patents
Carbon fiber reinforced nylon composite material and preparation method thereof and automobile brake pedal Download PDFInfo
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- CN102634193A CN102634193A CN2012101244324A CN201210124432A CN102634193A CN 102634193 A CN102634193 A CN 102634193A CN 2012101244324 A CN2012101244324 A CN 2012101244324A CN 201210124432 A CN201210124432 A CN 201210124432A CN 102634193 A CN102634193 A CN 102634193A
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- carbon fiber
- fiber reinforced
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- reinforced nylon
- matrix material
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Links
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 77
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 77
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 239000004677 Nylon Substances 0.000 title claims abstract description 75
- 229920001778 nylon Polymers 0.000 title claims abstract description 75
- 238000002360 preparation method Methods 0.000 title claims abstract description 42
- 239000002131 composite material Substances 0.000 title abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims abstract description 10
- 239000011159 matrix material Substances 0.000 claims description 57
- -1 ethylene-propylene-octene Chemical class 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- 239000007822 coupling agent Substances 0.000 claims description 13
- 239000003112 inhibitor Substances 0.000 claims description 12
- 230000003647 oxidation Effects 0.000 claims description 12
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 229920001897 terpolymer Polymers 0.000 claims description 12
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 10
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 9
- 102000004895 Lipoproteins Human genes 0.000 claims description 8
- 108090001030 Lipoproteins Proteins 0.000 claims description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 8
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 8
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 229920002292 Nylon 6 Polymers 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229920000578 graft copolymer Polymers 0.000 claims description 5
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 5
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 claims description 4
- 229920000299 Nylon 12 Polymers 0.000 claims description 4
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 abstract description 7
- 239000002861 polymer material Substances 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 abstract 1
- 238000011056 performance test Methods 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- 238000005453 pelletization Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 208000020442 loss of weight Diseases 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention provides a carbon fiber reinforced nylon composite material and a preparation method thereof and an automobile brake pedal component prepared from the material, belonging to technical field of high polymer material. According to the invention, the problem that the existing automobile brake pedal prepared from metal material is relatively heavy is solved. The carbon fiber reinforced nylon composite material provided by the invention comprises nylon material and carbon fiber. The fiber reinforced nylon composite material is extruded by a twin-screw extruder. The automobile brake pedal component provided by the invention is prepared from the carbon fiber reinforced nylon composite material through injection moulding; and the weight of the automobile brake pedal component is remarkably reduced while meeting the technical indexes.
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to the automobile brake pedal assembly of a kind of carbon fiber reinforced nylon matrix material and preparation method thereof and this material prepn.
Background technology
Auto pedal is divided into gas pedal, clutch pedal and brake pedal, and gas pedal, clutch pedal all can adopt matrix material replacement original metallic material to prepare at present; But the security requirement of considering brake pedal is higher, uses Composite Preparation.Deep day by day along with automobile loss of weight, energy-saving and emission-reduction, the brake pedal of metallic substance preparation does not more and more meet Development Trend.
Summary of the invention
The objective of the invention is to solve the heavier problem of automobile brake pedal quality of existing metallic substance preparation, a kind of carbon fiber reinforced nylon matrix material for preparing automobile brake pedal is provided.
Solving the technical scheme that technical problem of the present invention adopted is a kind of carbon fiber reinforced nylon matrix material, comprises following component by mass percent: nylon material: 40%-70%; Thomel: 10%-50%.
Preferably, also comprise following component by mass percent: toughner: 5%-20%; Oxidation inhibitor: 0.1%-0.5%; Masterbatch: 0%-1%; Compatilizer: 0.5%-3%.
Preferably, described nylon material is one or more in nylon 6, nylon 66, Ni Long11, nylon 12, the nylon 1010.
Further preferably, described continuous long carbon fiber is a PAN-based carbon fiber.
Preferably, described toughner is one or more in ethylene-propylene-octene terpolymer, ethylene-propylene-butadiene terpolymer, styrene-butadiene copolymer, hydrogenant ethylene-butadiene-styrene multipolymer, the propylene-ethylene graft copolymer.
Preferably, described oxidation inhibitor is antioxidant 1010 and/or oxidation inhibitor 168.
Preferably, described compatilizer be maleic anhydride, silane coupling agent, aluminic acid lipoprotein coupling agent, titanate coupling agent one or more.
Technical problem to be solved by this invention comprises that also the heavier problem of automobile brake pedal quality to existing metallic substance preparation provides a kind of preparation method who prepares the carbon fiber reinforced nylon matrix material of automobile brake pedal.
Solving the technical scheme that technical problem of the present invention adopted is a kind of preparation method of carbon fiber reinforced nylon matrix material, may further comprise the steps:
1): the quality proportioning according to above-mentioned takes by weighing each feed composition;
2): other raw material stirring that will be except that thomel is even, obtains mixture, this mixture is added in the main feed hopper of twin screw extruder;
3): the thomel spout place at twin screw extruder adds thomel;
4): extrude, make the carbon fiber reinforced nylon matrix material; Wherein, the Heating temperature to material in the twin screw extruder is located at 220 ℃-270 ℃, and the rotating speed of twin screw extruder is located between the 100rpm-200rpm.
Further preferably, in said step 4), twin screw extruder is divided into nine districts successively from the charging opening to the head; The temperature in said nine districts sets gradually and is 220 ℃-250 ℃ in a district, 225 ℃-255 ℃ in two districts, 230 ℃-260 ℃ in three districts; 235 ℃-265 ℃ in four districts, 240 ℃-270 ℃ in five districts, 245 ℃-270 ℃ in six districts; 250 ℃-270 ℃ in seven districts, 240 ℃-260 ℃ in eight districts, 235 ℃-255 ℃ in nine districts.
Technical problem to be solved by this invention also comprises, to the heavier problem of automobile brake pedal quality of existing metallic substance preparation, a kind of automobile brake pedal of carbon fiber reinforced nylon Composite Preparation is provided.
Solving the technical scheme that technical problem of the present invention adopted is a kind of automobile brake pedal, and it is processed through injection moulding by above-mentioned carbon fiber reinforced nylon matrix material.
The invention has the advantages that: by the automobile brake pedal of carbon fiber reinforced nylon Composite Preparation; When satisfying the technical indicator of automobile brake pedal, alleviated the weight of brake pedal significantly; Effectively promote loss of weight and the energy-saving and emission-reduction of automobile, simultaneously, adopted Shooting Technique to improve the production efficiency of automobile brake pedal.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, the present invention is described in further detail below in conjunction with accompanying drawing and embodiment.
Embodiment 1
Present embodiment provides a kind of carbon fiber reinforced nylon matrix material and preparation method thereof and by the automobile brake pedal assembly of this material prepn.
One, the component of carbon fiber reinforced nylon matrix material
The carbon fiber reinforced nylon matrix material is made up of following component by mass percent: nylon 6:55%, and PAN-based carbon fiber: 30%, styrene-butadiene copolymer: 10.6%, antioxidant 1010: 0.4%, Masterbatch: 1%, maleic anhydride: 3%; Wherein styrene-butadiene copolymer is as toughner, and maleic anhydride is as compatilizer.
Two, the preparation method of carbon fiber reinforced nylon matrix material
The preparation method of the carbon fiber reinforced nylon matrix material of the embodiment of the invention comprises the steps:
1): take by weighing said components according to above-mentioned quality proportioning;
2): with above-mentioned claim nylon 6, styrene-butadiene copolymer, antioxidant 1010, Masterbatch and maleic anhydride in stirrer, stir 15min, obtain mixture, this mixture is added in the main feed hopper of twin screw extruder;
3): the thomel spout place at twin screw extruder adds PAN-based carbon fiber;
4): twin screw extruder is divided into nine districts from the charging opening to the head; The processing temperature in these nine districts is made as respectively: 220 ℃ in a district, 225 ℃ in two districts, 230 ℃ in three districts, 235 ℃ in four districts, 240 ℃ in five districts, 245 ℃ in six districts, 250 ℃ in seven districts, 240 ℃ in eight districts, 235 ℃ in nine districts; The twin screw extruder rotating speed is made as 150rpm, extrudes, granulation, drying, pelletizing make the carbon fiber reinforced nylon matrix material.
Three, the preparation method of automobile brake pedal assembly
Can continue to prepare the automobile brake pedal assembly through injection moulding with prepared carbon fiber reinforced nylon matrix material.
The The performance test results of the automobile brake pedal assembly of present embodiment preparation is seen table 1.
Embodiment 2
Present embodiment provides a kind of carbon fiber reinforced nylon matrix material and preparation method thereof and by the automobile brake pedal assembly of this material prepn.
One, the component of carbon fiber reinforced nylon matrix material
The carbon fiber reinforced nylon matrix material is made up of following component by mass percent: Ni Long11: 60%; PAN-based carbon fiber: 18.4%, ethylene-propylene-butadiene terpolymer: 20%, oxidation inhibitor 168:0.3%; Masterbatch: 0.8%, aluminic acid lipoprotein coupling agent: 0.5%.Therein ethylene-propylene-octene terpolymer is as toughner, and the aluminic acid lipoprotein coupling agent is as compatilizer.
Two, the preparation method of carbon fiber reinforced nylon matrix material
The preparation method of the carbon fiber reinforced nylon matrix material of the embodiment of the invention comprises the steps:
1): take by weighing said components according to above-mentioned quality proportioning;
2): with above-mentioned claim Ni Long11, ethylene-propylene-butadiene terpolymer, oxidation inhibitor 168, Masterbatch and aluminic acid lipoprotein coupling agent in stirrer, stir 10min; Obtain mixture, this mixture is added in the main feed hopper of twin screw extruder;
3): the thomel spout place at twin screw extruder adds PAN-based carbon fiber;
4): twin screw extruder is divided into nine districts from the charging opening to the head; The processing temperature in these nine districts is made as respectively: 240 ℃ in a district, 245 ℃ in two districts, 250 ℃ in three districts, 255 ℃ in four districts, 260 ℃ in five districts, 265 ℃ in six districts, 270 ℃ in seven districts, 255 ℃ in eight districts, 245 ℃ in nine districts; The twin screw extruder rotating speed is made as 100rpm, extrudes, granulation, drying, pelletizing make the carbon fiber reinforced nylon matrix material.
Three, the preparation method of automobile brake pedal assembly
Can continue to prepare the automobile brake pedal assembly through injection moulding with prepared carbon fiber reinforced nylon matrix material.
The The performance test results of the automobile brake pedal assembly of present embodiment preparation is seen table 1.
Embodiment 3
Present embodiment provides a kind of carbon fiber reinforced nylon matrix material and preparation method thereof and by the automobile brake pedal assembly of this material prepn.
One, the component of carbon fiber reinforced nylon matrix material
The carbon fiber reinforced nylon matrix material is made up of following component by mass percent: nylon 1010: 40%; PAN-based carbon fiber: 50%, ethylene-propylene-octene terpolymer: 7.5%, oxidation inhibitor 168:0.5%; Masterbatch: 1%, silane coupling agent: 1%.Therein ethylene-propylene-octene terpolymer is as toughner, and silane coupling agent is as compatilizer.
Two, the preparation method of carbon fiber reinforced nylon matrix material
The preparation method of the carbon fiber reinforced nylon matrix material of the embodiment of the invention comprises the steps:
1): take by weighing said components according to above-mentioned quality proportioning;
2): with above-mentioned claim nylon 1010, ethylene-propylene-octene terpolymer, oxidation inhibitor 168, Masterbatch and silane coupling agent in stirrer, stir 20min, obtain mixture, this mixture is added in the main feed hopper of twin screw extruder;
3): the thomel spout place at twin screw extruder adds PAN-based carbon fiber;
4): twin screw extruder is divided into nine districts from the charging opening to the head; The processing temperature in these nine districts is made as respectively: 240 ℃ in a district, 245 ℃ in two districts, 250 ℃ in three districts, 255 ℃ in four districts, 260 ℃ in five districts, 265 ℃ in six districts, 270 ℃ in seven districts, 250 ℃ in eight districts, 250 ℃ in nine districts; The twin screw extruder rotating speed is made as 200rpm, extrudes, granulation, drying, pelletizing make the carbon fiber reinforced nylon matrix material.
Three, the preparation method of automobile brake pedal assembly
Can continue to prepare the automobile brake pedal assembly through injection moulding with prepared carbon fiber reinforced nylon matrix material.
The The performance test results of the automobile brake pedal assembly of present embodiment preparation is seen table 1.
Embodiment 4
Present embodiment provides a kind of carbon fiber reinforced nylon matrix material and preparation method thereof and by the automobile brake pedal assembly of this material prepn.
One, the component of carbon fiber reinforced nylon matrix material
The carbon fiber reinforced nylon matrix material is made up of following component by mass percent: nylon 66 and nylon 12: be respectively 40% and 30%; PAN-based carbon fiber: 10%; Ethylene-propylene-butadiene terpolymer and hydrogenant ethylene-butadiene-styrene multipolymer: be respectively 10% and 9.3%; Antioxidant 1010: 0.2%, aluminic acid lipoprotein coupling agent and silane coupling agent: be respectively 0.2% and 0.3%.Wherein styrene-butadiene copolymer is as toughner, and aluminic acid lipoprotein coupling agent and silane coupling agent are as compatilizer.
Two, the preparation method of carbon fiber reinforced nylon matrix material
The preparation method of the carbon fiber reinforced nylon matrix material of the embodiment of the invention comprises the steps:
1): take by weighing said components according to above-mentioned quality proportioning;
2): with above-mentioned claim nylon 6 in stirrer, stir 5min with nylon 12, ethylene-propylene-butadiene terpolymer and hydrogenant ethylene-butadiene-styrene multipolymer, antioxidant 1010, aluminic acid lipoprotein coupling agent and silane coupling agent; Obtain mixture, this mixture is added in the main feed hopper of twin screw extruder;
3): the thomel spout place at twin screw extruder adds PAN-based carbon fiber;
4): twin screw extruder is divided into nine districts from the charging opening to the head; The processing temperature in these nine districts is made as respectively: 230 ℃ in a district, 235 ℃ in two districts, 240 ℃ in three districts, 245 ℃ in four districts, 250 ℃ in five districts, 260 ℃ in six districts, 265 ℃ in seven districts, 260 ℃ in eight districts, 255 ℃ in nine districts; The twin screw extruder rotating speed is made as 130rpm, extrudes, granulation, drying, pelletizing make the carbon fiber reinforced nylon matrix material.
Three, the preparation method of automobile brake pedal assembly
Can continue to prepare the automobile brake pedal assembly through injection moulding with prepared carbon fiber reinforced nylon matrix material.
The The performance test results of the automobile brake pedal assembly of present embodiment preparation is seen table 1.
Embodiment 5
Present embodiment provides a kind of carbon fiber reinforced nylon matrix material and preparation method thereof and by the automobile brake pedal assembly of this material prepn.
One, the component of carbon fiber reinforced nylon matrix material
The carbon fiber reinforced nylon matrix material is made up of following component by mass percent: nylon 1010 and Ni Long11: be respectively 30% and 22%; PAN-based carbon fiber: 40%; Styrene-butadiene copolymer and propylene-ethylene graft copolymer: be respectively 2% and 3%; Antioxidant 1010 and oxidation inhibitor 168: be respectively 0.05% and 0.05%, Masterbatch: 0.4%, titanate coupling agent: 2.5%.Wherein styrene-butadiene copolymer and propylene-ethylene graft copolymer are as toughner, and titanate coupling agent is as compatilizer.
Two, the preparation method of carbon fiber reinforced nylon matrix material
The preparation method of the carbon fiber reinforced nylon matrix material of the embodiment of the invention comprises the steps:
1): take by weighing said components according to above-mentioned quality proportioning;
2): with above-mentioned claim nylon 1010 and Ni Long11, styrene-butadiene copolymer and propylene-ethylene graft copolymer, antioxidant 1010 and oxidation inhibitor 168, Masterbatch and titanate coupling agent in stirrer, stir 17min; Obtain mixture, this mixture is added in the main feed hopper of twin screw extruder;
3): the thomel spout place at twin screw extruder adds PAN-based carbon fiber;
4): twin screw extruder is divided into nine districts from the charging opening to the head; The processing temperature in these nine districts is made as respectively: 250 ℃ in a district, 255 ℃ in two districts, 260 ℃ in three districts, 265 ℃ in four districts, 270 ℃ in five districts, 270 ℃ in six districts, 270 ℃ in seven districts, 260 ℃ in eight districts, 255 ℃ in nine districts; The twin screw extruder rotating speed is made as 170rpm, extrudes, granulation, drying, pelletizing make the carbon fiber reinforced nylon matrix material.
Three, the preparation method of automobile brake pedal assembly
Can continue to prepare the automobile brake pedal assembly through injection moulding with prepared carbon fiber reinforced nylon matrix material.
The The performance test results of the automobile brake pedal assembly of present embodiment preparation is seen table 1.
The performance test data table of the automobile brake pedal assembly that table 1 the present invention implements to prepare
Visible by table 1, performances such as the intensity of the automobile brake pedal assembly of present embodiment preparation, modulus, toughness are all better, and its density is at 1.32g/cm in the technical requirements that meets the automobile brake pedal assembly
3-1.41g/cm
3Between, and the density of the used iron and steel of metallic substance is 7.8g/cm
3, both differ greatly, and the loss of weight of the brake pedal assembly of therefore being processed through injection moulding by the carbon fiber reinforced nylon matrix material of embodiment of the invention preparation is significant.And all can satisfy the demand of automobile component through the performance index such as fatigue test, test of static strength, salt-fog test, thermal adaptability of the brake pedal assembly of this carbon fiber reinforced nylon Composite Preparation of test.
Embodiment 6
Present embodiment provides a kind of automobile brake pedal assembly of being processed through injection moulding by the carbon fiber reinforced nylon matrix material.
It is understandable that above embodiment only is the illustrative embodiments that adopts for principle of the present invention is described, yet the present invention is not limited thereto.For the one of ordinary skilled in the art, under the situation that does not break away from spirit of the present invention and essence, can make various modification and improvement, these modification also are regarded as protection scope of the present invention with improving.
Claims (10)
1. a carbon fiber reinforced nylon matrix material is characterized in that, comprises following component by mass percent: nylon material: 40%-70%; Thomel: 10%-50%.
2. according to the described carbon fiber reinforced nylon matrix material of claim 1, it is characterized in that, also comprise following component by mass percent: toughner: 5%-20%; Oxidation inhibitor: 0.1%-0.5%; Masterbatch: 0%-1%; Compatilizer: 0.5%-3%.
3. according to claim 1 or 2 described carbon fiber reinforced nylon matrix materials, it is characterized in that described nylon material is one or more in nylon 6, nylon 66, Ni Long11, nylon 12, the nylon 1010.
4. according to claim 1 or 2 described carbon fiber reinforced nylon matrix materials, it is characterized in that described thomel is a PAN-based carbon fiber.
5. according to the described carbon fiber reinforced nylon matrix material of claim 2; It is characterized in that described toughner is one or more in ethylene-propylene-octene terpolymer, ethylene-propylene-butadiene terpolymer, styrene-butadiene copolymer, hydrogenant ethylene-butadiene-styrene multipolymer, the propylene-ethylene graft copolymer.
6. according to the described carbon fiber reinforced nylon matrix material of claim 2, it is characterized in that described oxidation inhibitor is antioxidant 1010 and/or oxidation inhibitor 168.
7. according to the described carbon fiber reinforced nylon matrix material of claim 2, it is characterized in that, described compatilizer be maleic anhydride, silane coupling agent, aluminic acid lipoprotein coupling agent, titanate coupling agent one or more.
8. prepare the method for any described carbon fiber reinforced nylon matrix material of claim 1-7, it is characterized in that, may further comprise the steps:
1): take by weighing each feed composition according to any described quality proportioning of claim 1-7;
2): other raw material stirring that will be except that thomel is even, obtains mixture, this mixture is added in the main feed hopper of twin screw extruder;
3): the thomel spout place at twin screw extruder adds thomel;
4): extrude, make the carbon fiber reinforced nylon matrix material; Wherein, the Heating temperature to material in the twin screw extruder is located at 220 ℃-270 ℃, and the rotating speed of twin screw extruder is located between the 100rpm-200rpm.
9. according to the described method for preparing the carbon fiber reinforced nylon matrix material of claim 8, it is characterized in that,
In said step 4), twin screw extruder is divided into nine districts successively from the charging opening to the head, and the temperature in said nine districts sets gradually and is 220 ℃-250 ℃ in a district; 225 ℃-255 ℃ in two districts, 230 ℃-260 ℃ in three districts, 235 ℃-265 ℃ in four districts; 240 ℃-270 ℃ in five districts, 245 ℃-270 ℃ in six districts, 250 ℃-270 ℃ in seven districts; 240 ℃-260 ℃ in eight districts, 235 ℃-255 ℃ in nine districts.
10. an automobile brake pedal assembly is characterized in that, said automobile brake pedal is to be processed through injection moulding by the carbon fiber reinforced nylon matrix material of claim 8 or 9 preparations.
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Application publication date: 20120815 |