CN103756125A - Polypropylene composite material automobile water tank cross beam and preparation method thereof - Google Patents

Polypropylene composite material automobile water tank cross beam and preparation method thereof Download PDF

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Publication number
CN103756125A
CN103756125A CN201310521503.9A CN201310521503A CN103756125A CN 103756125 A CN103756125 A CN 103756125A CN 201310521503 A CN201310521503 A CN 201310521503A CN 103756125 A CN103756125 A CN 103756125A
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water tank
districts
composite material
polypropylene composite
polypropylene
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CN103756125B (en
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李进
宣善勇
方舟
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Chery Automobile Co Ltd
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Chery Automobile Co Ltd
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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
    • 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
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B29B9/14—Making granules characterised by structure or composition fibre-reinforced
    • 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
    • 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
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461—Combinations of dissimilar mixers
    • 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
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/78—Measuring, controlling or regulating of 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • 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
    • 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
    • C08L23/14—Copolymers of propene
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    • 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
    • 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
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76531—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
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—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
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    • 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
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    • C08L2205/00—Polymer mixtures characterised by other features
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Abstract

The invention discloses a polypropylene composite material automobile water tank cross beam and a preparation method thereof, and belongs to the field of composite materials. The water tank cross beam includes the following components by the mass percentage: 40%-80% of polypropylene, 0%-30% of a toughening agent, 5%-60% of a fiber reinforcement body, 0.3%-0.5% of an antioxidant, 0%-1% of a color master batch and 0.5%-3% of a compatibilizer. The preparation method of the water tank cross beam comprises the steps: extruding the above components by a double-screw extruder, granulating, and then carrying out injection molding through an injection molding process to obtain the polypropylene composite material automobile water tank cross beam. The prepared water tank cross beam is smaller in density, better in rigidity and better in impact performance, the weight of the water tank cross beam is significantly reduced, weight reduction of an automobile body is facilitated, and the technical indexes of the water tank cross beam are met. With adopting of the polypropylene material, the cost is lower, the processing technology is simple, molding is easy, and the production economy and efficiency of the water tank cross beam are improved.

Description

A kind of polypropylene composite material cross beams of automobile water tank and preparation method
Technical field
The present invention relates to field of compound material, particularly polypropylene composite material cross beams of automobile water tank and preparation method.
Background technology
Auto pedal comprises gas pedal, clutch pedal and water tank cross beam, and wherein cross beams of automobile water tank not only carries the weight of bonnet and water tank, is also bearing the surging force in bonnet opening process.
In prior art by panel beating material being cut, is rushed/cut/compound, folding, welding, riveted joint, splicing, moulding (cross beams of automobile water tank), be prepared into cross beams of automobile water tank, gained cross beams of automobile water tank is functional to the weight of bonnet and water tank.
In realizing process of the present invention, contriver finds that prior art at least exists following problem:
Prior art adopts panel beating material to prepare cross beams of automobile water tank, due to higher (the average out to 7g/cm of panel beating density 3), make the weight of its prepared cross beams of automobile water tank larger, be unfavorable for body lightening, and complete processing is complicated, cost is higher, makes to prepare cross beams of automobile water tank economic adaptability poor.
Summary of the invention
In order to solve the larger problem of prior art cross beams of automobile water tank weight, the embodiment of the present invention provides a kind of fiber reinforced polypropylene composite material automobile water tank cross beam and preparation method.Described technical scheme is as follows:
On the one hand provide a kind of fiber reinforced polypropylene composite material automobile water tank cross beam, described polypropylene composite material cross beams of automobile water tank to comprise the polypropylene of the component of following massfraction: 40%-80%, the fibre reinforcement of the toughner of 0%-30%, 5%-58%, the Masterbatch of the oxidation inhibitor of 0.3%-0.5%, 0%-1% and the compatilizer of 0.5%-3%.
Particularly, as preferably, described polypropylene is at least one of homo-polypropylene and Co-polypropylene.
Particularly, as preferably, described toughner is the ethylene-butadiene-styrene multipolymer of ethylene-propylene-octene terpolymer, ethylene-propylene-butadiene terpolymer, styrene-butadiene copolymer, hydrogenation and at least one of propylene-ethylene graft copolymer.
Particularly, as preferably, described fibre reinforcement is at least one of carbon fiber, glass fibre, aramid fiber and basalt fibre.
Particularly, as preferably, described oxidation inhibitor is antioxidant 1010 and irgasfos 168 is composite forms.
Particularly, as preferably, described compatilizer is at least one of maleic anhydride, silane coupling agent, Aluminate coupling agent and titanate coupling agent.
On the other hand, provide a kind of preparation method of fiber reinforced polypropylene composite material automobile water tank cross beam, the preparation method of described polypropylene composite material cross beams of automobile water tank comprises the following steps:
Step 1: by polypropylene, toughner, oxidation inhibitor, Masterbatch and compatilizer mix and blend 5-20min under homogenizer;
Step 2: the mixture that step 1 is obtained adds in twin-screw extrusion owner feed hopper, and fibre reinforcement is added into the dedicated fiber opening for feed place of described twin screw extruder, by described twin screw extruder extruding pelletization, dry pelletizing, obtains fiber reinforced polypropylene composite material granular;
Step 3: fiber reinforced polypropylene composite material granular in step 2, by injection moulding machine injection moulding, is obtained to fiber reinforced polypropylene composite material automobile water tank cross beam;
The massfraction of described polypropylene, described toughner, described fibre reinforcement, described oxidation inhibitor, described Masterbatch and described compatilizer is respectively 40%-80%, 0%-30%, 5%-58%, 0.3%-0.5%, 0%-1% and 0.5%-3%.
Particularly, as preferably, each warm area Temperature Setting of described twin screw extruder is as follows:
One-170 ℃, 160 ℃, district, two-175 ℃, 165 ℃, districts, three-180 ℃, 170 ℃, districts, four-190 ℃, 180 ℃, districts, five-195 ℃, 190 ℃, districts, six-200 ℃, 190 ℃, districts, seven-200 ℃, 190 ℃, districts, eight-190 ℃, 180 ℃, districts, nine-185 ℃, 175 ℃, districts.
Particularly, as preferably, the engine speed of described twin screw extruder is 100-200rpm.
Particularly, as preferably, each warm area Temperature Setting of described injection moulding machine is as follows:
One-180 ℃, 170 ℃, district, two-185 ℃, 175 ℃, districts, three-190 ℃, 180 ℃, districts, four-200 ℃, 190 ℃, districts, five-195 ℃, 185 ℃, districts, six-190 ℃, 180 ℃, districts.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
The polypropylene composite material cross beams of automobile water tank that the embodiment of the present invention provides, by adopting the polypropylene of 40%-80%, the toughner of 0%-30%, the fibre reinforcement of 5%-58%, the oxidation inhibitor of 0.3%-0.5%, the Masterbatch of 0%-1% and the compatilizer of 0.5%-3%, and be prepared from by injection molding process, the density of the water tank cross beam that this polypropylene composite material is prepared is less, obviously alleviated the weight of water tank cross beam, be beneficial to body lightening development, thereby improved fuel economy, and its rigidity, impact resistance is more excellent, met the technical indicator of water tank cross beam.The preparation method of the polypropylene composite material cross beams of automobile water tank that the embodiment of the present invention provides, complete processing is simple, has greatly improved production efficiency, makes preparation cost lower, has improved the economic adaptability of water tank cross beam.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the polypropylene composite material cross beams of automobile water tank preparation method schema that the embodiment of the present invention provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment mono-
The embodiment of the present invention provides a kind of fiber reinforced polypropylene composite material automobile water tank cross beam, described polypropylene composite material cross beams of automobile water tank comprise the polypropylene of the component of following massfraction: 40%-80%, the fibre reinforcement of the toughner of 0%-30%, 5%-60%, the Masterbatch of the oxidation inhibitor of 0.3%-0.5%, 0%-1% and the compatilizer of 0.5%-3%.
The polypropylene composite material cross beams of automobile water tank that the embodiment of the present invention provides, by adopting the polypropylene of 40%-80%, the toughner of 0%-30%, the fibre reinforcement of 5%-58%, the oxidation inhibitor of 0.3%-0.5%, the Masterbatch of 0%-1% and the compatilizer of 0.5%-3%, and be prepared from by injection molding process, the density of the water tank cross beam that this polypropylene composite material is prepared is less, obviously alleviated the weight of water tank cross beam, be beneficial to body lightening development, thereby improved fuel economy, and its rigidity, impact resistance is more excellent, met the technical indicator of water tank cross beam,
Described polypropylene is at least one of homo-polypropylene and Co-polypropylene.
Described fibre reinforcement is at least one of carbon fiber, glass fibre, aramid fiber and basalt fibre.
Described in the fiber reinforced polypropylene composite material automobile water tank cross beam that the embodiment of the present invention provides, the length of fibre reinforcement is 2-3cm.
The fiber reinforced polypropylene matrix material that the embodiment of the present invention provides is little based on polypropylene material density, the advantage that chemical stability is good, by polypropylene material and fibre reinforcement, carry out composite forming, using above-mentioned fibre reinforcement and controlling its length in polypropylene composite material is 2-3cm, the suffered load of polypropylene matrix effectively can be transferred on above-mentioned fibre reinforcement, increase substantially the physical and mechanical property of polypropylene matrix, prepared matrix material is on the basis of the original good physics of maintenance and chemical property, more outstanding its low density and high-intensity advantage.
Described toughner is the ethylene-butadiene-styrene multipolymer of ethylene-propylene-octene terpolymer, ethylene-propylene-butadiene terpolymer, styrene-butadiene copolymer, hydrogenation and at least one of propylene-ethylene graft copolymer.
By add above-mentioned toughner in polypropylene composite material, its compatible degree in polypropylene composite material is higher, and can obviously reduce the fragility of polypropylene material, improves its shock resistance.
Described oxidation inhibitor is antioxidant 1010 and irgasfos 168 is composite forms.
The carrying out of using oxidation inhibitor can stop polypropylene autoxidation chain reaction process, thus stop the aging of matrix material and extend its work-ing life.Embodiment of the present invention oxidation inhibitor is antioxidant 1010 and irgasfos 168 is composite forms, both can be 1/2-2/1 by compound proportion, both are used in conjunction with has synergistic effect, can stop radical chain reaction and decompose superoxide wherein, reaches good antiageing effect.Oxidation inhibitor also can be used amine, phenols, thioesters class.
At least one of described compatilizer maleic anhydride, silane coupling agent, Aluminate coupling agent and titanate coupling agent.
Polypropylene is non-polar resin, poor with the fusion character of other material, and the smooth surface of fortifying fibre is difficult to be combined with non-polar resin.By above-mentioned compatilizer, can introduce strong polar reaction group, improve consistency between matrix material and the dispersiveness of other fillers, improve stretching, the shock strength of product, realize high filling, reduce resin demand, improve processing rheological, and can improve surface smoothness.
The embodiment of the present invention can adopt silane coupling agent etc. as compatilizer, for the further cohesive force between Reinforced Polypropylene and fiber, also can adopt peroxidation silane coupling agent: as vinyl three (tertiary butyl peroxidation) silane; Muriate coupling agent: by perchloride use such as silane and perchloro-pentamethylene, xylyl chloride, hexachloro endoethylene tetrahydrophthalic acid acid anhydrides, can improve significantly intensity and the surface smoothness of polypropylene composite material.
Embodiment bis-
As shown in Figure 1, the embodiment of the present invention provides a kind of preparation method of fiber reinforced polypropylene composite material automobile water tank cross beam, specifically comprises the following steps:
Step 1: by polypropylene, toughner, oxidation inhibitor, Masterbatch and compatilizer mix and blend 5-20min under homogenizer;
Step 2: the mixture that step 1 is obtained adds in twin-screw extrusion owner feed hopper, and fibre reinforcement is added into the dedicated fiber opening for feed place of described twin screw extruder, by described twin screw extruder extruding pelletization, dry pelletizing, obtains fiber reinforced polypropylene composite material granular;
Step 3: fiber reinforced polypropylene composite material granular in step 2, by injection moulding machine injection moulding, is obtained to fiber reinforced polypropylene composite material automobile water tank cross beam;
The massfraction of described polypropylene, described toughner, described fibre reinforcement, described oxidation inhibitor, described Masterbatch and described compatilizer is respectively 40%-80%, 0%-30%, 5%-58%, 0.3%-0.5%, 0%-1% and 0.5%-3%.
The preparation method of the polypropylene composite material cross beams of automobile water tank that the embodiment of the present invention provides, complete processing is simple, has greatly improved production efficiency, makes preparation cost lower, has improved the economic adaptability of water tank cross beam.
Wherein, in step 2, the rate of feeding of mixture and the rate of feeding of the fibre reinforcement proportioning between each material in prepared fortifying fibre polypropylene composite material determines, and can in its ratio range, suitably adjust, thereby controls product performance.
Described polypropylene is at least one of homo-polypropylene and Co-polypropylene.
Described toughner is the ethylene-butadiene-styrene multipolymer of ethylene-propylene-octene terpolymer, ethylene-propylene-butadiene terpolymer, styrene-butadiene copolymer, hydrogenation and at least one of propylene-ethylene graft copolymer.
Described fibre reinforcement is at least one of carbon fiber, glass fibre, aramid fiber and basalt fibre.
Described oxidation inhibitor is antioxidant 1010 and irgasfos 168 is composite forms.
Described compatilizer is at least one of maleic anhydride, silane coupling agent, Aluminate coupling agent and titanate coupling agent.
Each warm area Temperature Setting of described twin screw extruder is as follows:
One-170 ℃, 160 ℃, district, two-175 ℃, 165 ℃, districts, three-180 ℃, 170 ℃, districts, four-190 ℃, 180 ℃, districts, five-195 ℃, 190 ℃, districts, six-200 ℃, 190 ℃, districts, seven-200 ℃, 190 ℃, districts, eight-190 ℃, 180 ℃, districts, nine-185 ℃, 175 ℃, districts.
The engine speed of described twin screw extruder is 100-200rpm.
The physical property of polypropylene composite material provided by the invention is determining each warm area of above-mentioned twin screw extruder and the setting of engine speed, one district's opening for feed is set to lower temperature, prevent material in opening for feed melting and stop up opening for feed, and be progressively warming up to temperature described in five Zhi Liu districts, district according to above-mentioned temperature of charge, higher than above-mentioned each material melting temperature, above-mentioned material is carried out to uniform melting, be then progressively cooled to nine district's temperature, better control the extrusion moulding of described matrix material.
Each warm area Temperature Setting of described injection moulding machine is as follows:
One-180 ℃, 170 ℃, district, two-185 ℃, 175 ℃, districts, three-190 ℃, 180 ℃, districts, four-200 ℃, 190 ℃, districts, five-195 ℃, 185 ℃, districts, six-190 ℃, 180 ℃, districts.Described polypropylene is at least one of homo-polypropylene and Co-polypropylene.
The physical property of polypropylene composite material provided by the invention is determining the warm area temperature setting of above-mentioned injection moulding machine, one district's feeding mouth temperature is lower, two Yu San district, district iterative methods, material is slowly melted, four 5th district, districts plastify material, and temperature raises again, the head discharging moulding of 6th district, temperature reduces, and is convenient to control the shape of product.
Embodiment tri-
The embodiment of the present invention provides a kind of fiber reinforced polypropylene composite material automobile water tank cross beam and preparation method thereof, and described preparation method specifically comprises the following steps:
Step 1: take massfraction and be respectively 40% homo-polypropylene, ethylene-propylene-octene terpolymer of 10%, 0.3% antioxidant 1010 and irgasfos 168 compound, 0.1% Masterbatch and 3% maleic anhydride, and under homogenizer mix and blend 5-20min;
Step 2: the mixture in step 1 is added in twin-screw extrusion owner feed hopper, and meanwhile, the carbon fiber that is 46% by massfraction is added into twin screw extruder dedicated fiber opening for feed place, and by twin screw extruder extruding pelletization, dry pelletizing, in this process, each warm area temperature of setting twin screw extruder is: 160 ℃, a district, two 165 ℃, districts, three 170 ℃, districts, four 180 ℃, districts, five 190 ℃, districts, six 190 ℃, districts, seven 190 ℃, districts, eight 180 ℃, districts, nine-185 ℃, 175 ℃, districts; Engine speed is 100-200rpm.
Step 3: the composite material granular obtaining is passed through to injection moulding machine injection moulding, obtain fiber reinforced polypropylene composite material automobile water tank cross beam, obtain fiber reinforced polypropylene composite material automobile water tank cross beam, in this process, each warm area temperature of setting injection moulding machine is: 180 ℃, a district, two 185 ℃, districts, three 190 ℃, districts, four 200 ℃, districts, five 195 ℃, districts, six 190 ℃, districts.
Each performance perameter of prepared water tank cross beam is as shown in table 1:
Table 1
Figure BDA0000403858690000071
As shown in Table 1, each material of embodiment of the present invention said ratio is by twin screw extruder extrusion moulding and the injection moulding machine injection moulding of above-mentioned parameter, the density of prepared fiber reinforced polypropylene composite material automobile water tank cross beam is less, density (being about 7.0g/cm3) well below panel beating material, obviously alleviated the weight of water tank cross beam, be beneficial to body lightening development, thereby improved fuel economy, and its rigidity, impact resistance are more excellent, met the technical indicator of water tank cross beam; And complete processing is simple, greatly improved production efficiency, make preparation cost lower, improved the economic adaptability of water tank cross beam.
Embodiment tetra-
The embodiment of the present invention provides a kind of fiber reinforced polypropylene composite material automobile water tank cross beam and preparation method thereof, and described preparation method specifically comprises the following steps:
Step 1: take massfraction and be respectively 75% Co-polypropylene, ethylene-propylene-butadiene terpolymer of 13%, 0.5% antioxidant 1010 and irgasfos 168 compound, 1% Masterbatch and 0.5% silane coupling agent, and under homogenizer mix and blend 20min;
Step 2: the mixture in step 1 is added in twin-screw extrusion owner feed hopper, meanwhile, the glass fibre that is 10% by massfraction is added into twin screw extruder dedicated fiber opening for feed place, and by twin screw extruder extruding pelletization, dry pelletizing, in this process, each warm area temperature of setting twin screw extruder is: 170 ℃, a district, two 175 ℃, districts, three 180 ℃, districts, four 190 ℃, districts, five 195 ℃, districts, six 200 ℃, districts, seven 200 ℃, districts, eight 190 ℃, districts, nine 185 ℃, districts, the engine speed of described twin screw extruder is 100rpm.
Step 3: the composite material granular obtaining is passed through to injection moulding machine injection moulding, obtain fiber reinforced polypropylene composite material automobile water tank cross beam in this process, each warm area temperature of setting injection moulding machine is: 170 ℃, a district, two 175 ℃, districts, three 180 ℃, districts, four 190 ℃, districts, five 185 ℃, districts, six 180 ℃, districts.
Each performance perameter of prepared water tank cross beam is as shown in table 2:
Table 2
Figure BDA0000403858690000081
As shown in Table 2, each material of embodiment of the present invention said ratio is by twin screw extruder extrusion moulding and the injection moulding machine injection moulding of above-mentioned parameter, the density of prepared fiber reinforced polypropylene composite material automobile water tank cross beam is less, density (being about 7.0g/cm3) well below panel beating material, obviously alleviated the weight of water tank cross beam, be beneficial to body lightening development, thereby improved fuel economy, and its rigidity, impact resistance are more excellent, met the technical indicator of water tank cross beam; And complete processing is simple, greatly improved production efficiency, make preparation cost lower, improved the economic adaptability of water tank cross beam.
Embodiment five
The embodiment of the present invention provides a kind of fiber reinforced polypropylene composite material automobile water tank cross beam and preparation method thereof, and described preparation method specifically comprises the following steps:
Step 1: taking massfraction, to be respectively 50% polypropylene be homo-polypropylene and Co-polypropylene mixture, 20% styrene-butadiene copolymer, 0.2% antioxidant 1010 and irgasfos 168 compound, 0.8% Masterbatch and 2% silane coupling agent, and under homogenizer mix and blend 20min;
Step 2: the mixture in step 1 is added in twin-screw extrusion owner feed hopper, meanwhile, the glass fibre that is 27% by massfraction is added into twin screw extruder dedicated fiber opening for feed place, and by twin screw extruder extruding pelletization, dry pelletizing, in this process, each warm area temperature of setting twin screw extruder is: 165 ℃, a district, two 170 ℃, districts, three 175 ℃, districts, four 185 ℃, districts, five 193 ℃, districts, six 195 ℃, districts, seven district 190-200 ℃, eight 185 ℃, districts, nine 180 ℃, districts, the engine speed of described twin screw extruder is 150rpm.
Step 3: the composite material granular obtaining is passed through to injection moulding machine injection moulding, obtain fiber reinforced polypropylene composite material automobile water tank cross beam, make fiber reinforced polypropylene composite material automobile water tank cross beam, in this process, each warm area temperature of setting injection moulding machine is: 176 ℃, a district, two 182 ℃, districts, three 187 ℃, districts, four 193 ℃, districts, five 192 ℃, districts, six 180 ℃, districts.
Each performance perameter of prepared water tank cross beam is as shown in table 3:
Table 3
Figure BDA0000403858690000091
As shown in Table 3, each material of embodiment of the present invention said ratio is by twin screw extruder extrusion moulding and the injection moulding machine injection moulding of above-mentioned parameter, the density of prepared fiber reinforced polypropylene composite material automobile water tank cross beam is less, density (being about 7.0g/cm3) well below panel beating material, obviously alleviated the weight of water tank cross beam, be beneficial to body lightening development, thereby improved fuel economy, and its rigidity, impact resistance are more excellent, met the technical indicator of water tank cross beam; And complete processing is simple, greatly improved production efficiency, make preparation cost lower, improved the economic adaptability of water tank cross beam.
Embodiment six
The embodiment of the present invention provides a kind of fiber reinforced polypropylene composite material automobile water tank cross beam and preparation method thereof, and described preparation method is specific as follows:
By 57wt% polypropylene, ethylene-propylene-octene terpolymer of 10wt%, the oxidation inhibitor of 0.5wt%, the Masterbatch of 1wt%, the maleic anhydride of 1.5wt% adds in homogenizer and stirs 10min, said mixture material is added in twin-screw extrusion owner feeding, then the continuous long carbon fiber of 30wt% is added respectively to the special fiber entry of dual-screw-stem machine, by twin screw extruder extruding pelletization, dry pelletizing; By injection moulding machine injection moulding, obtain fiber reinforced polypropylene composite material automobile water tank cross beam, in this process, each warm area temperature of setting twin screw extruder is: 170 ℃, a district, two 175 ℃, districts, three 180 ℃, districts, four 190 ℃, districts, five 195 ℃, districts, six 200 ℃, districts, seven 200 ℃, districts, eight 190 ℃, districts, nine 185 ℃, districts, engine speed 130rpm; Each warm area temperature of setting injection moulding machine is: 178 ℃, a district, two 184 ℃, districts, three 189 ℃, districts, four 195 ℃, districts, five 194 ℃, districts, six 182 ℃, districts.
Each performance perameter of prepared water tank cross beam is as shown in table 4:
Table 4
Figure BDA0000403858690000101
As shown in Table 4, each material of embodiment of the present invention said ratio is by twin screw extruder extrusion moulding and the injection moulding machine injection moulding of above-mentioned parameter, the density of prepared fiber reinforced polypropylene composite material automobile water tank cross beam is less, density (being about 7.0g/cm3) well below panel beating material, obviously alleviated the weight of water tank cross beam, be beneficial to body lightening development, thereby improved fuel economy, and its rigidity, impact resistance are more excellent, met the technical indicator of water tank cross beam; And complete processing is simple, greatly improved production efficiency, make preparation cost lower, improved the economic adaptability of water tank cross beam.
Embodiment seven:
The embodiment of the present invention provides a kind of fiber reinforced polypropylene composite material automobile water tank cross beam and preparation method thereof, and described preparation method is specific as follows:
By 62wt% polypropylene, ethylene-propylene-butadiene terpolymer of 15wt%, the oxidation inhibitor of 0.3wt%, the Masterbatch of 1wt%, the Silane coupling agent KH550 of 1.7wt% adds in homogenizer and stirs 10min, said mixture material is added in twin-screw extrusion owner feeding, then the continuous long carbon fiber of 20wt% is added to the special fiber entry of dual-screw-stem machine, by twin screw extruder extruding pelletization, dry pelletizing; By injection moulding machine injection moulding, obtain fiber reinforced polypropylene composite material automobile water tank cross beam, in this process, each warm area of setting twin screw extruder is: 165 ℃, a district, two 170 ℃, districts, three 180 ℃, districts, four 185 ℃, districts, five 190 ℃, districts, six 200 ℃, districts, seven 200 ℃, districts, eight 185 ℃, districts, nine 175 ℃, districts, engine speed 200rpm; Each warm area temperature of setting injection moulding machine is: 175 ℃, a district, two 181 ℃, districts, three 186 ℃, districts, four 192 ℃, districts, five 191 ℃, districts, six 180 ℃, districts.
Each performance perameter of prepared water tank cross beam is as shown in table 5:
Table 5
As shown in Table 5, each material of embodiment of the present invention said ratio is by twin screw extruder extrusion moulding and the injection moulding machine injection moulding of above-mentioned parameter, the density of prepared fiber reinforced polypropylene composite material automobile water tank cross beam is less, density (being about 7.0g/cm3) well below panel beating material, obviously alleviated the weight of water tank cross beam, be beneficial to body lightening development, thereby improved fuel economy, and its rigidity, impact resistance are more excellent, met the technical indicator of water tank cross beam; And complete processing is simple, greatly improved production efficiency, make preparation cost lower, improved the economic adaptability of water tank cross beam.
Embodiment eight
The embodiment of the present invention provides a kind of fiber reinforced polypropylene composite material automobile water tank cross beam and preparation method thereof, and described preparation method is specific as follows:
By 62wt% polypropylene, the styrene-butadiene copolymer of 5wt%, the oxidation inhibitor of 0.5wt%, the Masterbatch of 1wt%, the maleic anhydride of 1.5wt% adds in homogenizer and stirs 10min, said mixture material is added in twin-screw extrusion owner feeding, then the glass fibre of 30wt% is added to the special fiber entry of dual-screw-stem machine, by twin screw extruder extruding pelletization, dry pelletizing; Injection moulding, obtains fiber reinforced polypropylene composite material automobile water tank cross beam, in this process, each warm area of setting twin screw extruder is: 170 ℃, a district, two 175 ℃, districts, three 180 ℃, districts, four 190 ℃, districts, five 195 ℃, districts, six 200 ℃, districts, seven 200 ℃, districts, eight 190 ℃, districts, nine 185 ℃, districts, engine speed 150rpm; Each warm area temperature of setting injection moulding machine is: 171 ℃, a district, two 173 ℃, districts, three 183 ℃, districts, four 190 ℃, districts, five 187 ℃, districts, six 180 ℃, districts.
Each performance perameter of prepared water tank cross beam is as shown in table 6:
Table 6
Figure BDA0000403858690000112
Figure BDA0000403858690000121
As shown in Table 6, each material of embodiment of the present invention said ratio is by twin screw extruder extrusion moulding and the injection moulding machine injection moulding of above-mentioned parameter, the density of prepared fiber reinforced polypropylene composite material automobile water tank cross beam is less, density (being about 7.0g/cm3) well below panel beating material, obviously alleviated the weight of water tank cross beam, be beneficial to body lightening development, thereby improved fuel economy, and its rigidity, impact resistance are more excellent, met the technical indicator of water tank cross beam; And complete processing is simple, greatly improved production efficiency, make preparation cost lower, improved the economic adaptability of water tank cross beam.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. a polypropylene composite material cross beams of automobile water tank, it is characterized in that, described polypropylene composite material cross beams of automobile water tank comprise the polypropylene of the component of following massfraction: 40%-80%, the fibre reinforcement of the toughner of 0%-30%, 5%-58%, the Masterbatch of the oxidation inhibitor of 0.3%-0.5%, 0%-1% and the compatilizer of 0.5%-3%.
2. polypropylene composite material cross beams of automobile water tank according to claim 1, is characterized in that, described polypropylene is at least one of homo-polypropylene and Co-polypropylene.
3. polypropylene composite material cross beams of automobile water tank according to claim 1, it is characterized in that, described toughner is the ethylene-butadiene-styrene multipolymer of ethylene-propylene-octene terpolymer, ethylene-propylene-butadiene terpolymer, styrene-butadiene copolymer, hydrogenation and at least one of propylene-ethylene graft copolymer.
4. polypropylene composite material cross beams of automobile water tank according to claim 1, is characterized in that, described fibre reinforcement is at least one of carbon fiber, glass fibre, aramid fiber and basalt fibre.
5. polypropylene composite material cross beams of automobile water tank according to claim 1, is characterized in that, described oxidation inhibitor is by antioxidant 1010 and irgasfos 168 is composite forms.
6. polypropylene composite material cross beams of automobile water tank according to claim 1, is characterized in that, described compatilizer is at least one of maleic anhydride, silane coupling agent, Aluminate coupling agent and titanate coupling agent.
7. a preparation method for the polypropylene composite material cross beams of automobile water tank described in claim 1-6 any one, is characterized in that, the preparation method of described polypropylene composite material cross beams of automobile water tank comprises the following steps:
Step 1: by polypropylene, toughner, oxidation inhibitor, Masterbatch and compatilizer mix and blend 5-20min under homogenizer;
Step 2: the mixture that step 1 is obtained adds in twin-screw extrusion owner feed hopper, and fibre reinforcement is added into the dedicated fiber opening for feed place of described twin screw extruder, by described twin screw extruder extruding pelletization, dry pelletizing, obtains fiber reinforced polypropylene composite material granular;
Step 3: fiber reinforced polypropylene composite material granular in step 2, by injection moulding machine injection moulding, is obtained to fiber reinforced polypropylene composite material automobile water tank cross beam;
The massfraction of described polypropylene, described toughner, described fibre reinforcement, described oxidation inhibitor, described Masterbatch and described compatilizer is respectively 40%-80%, 0%-30%, 5%-58%, 0.3%-0.5%, 0%-1% and 0.5%-3%.
8. the preparation method of polypropylene composite material cross beams of automobile water tank according to claim 7, is characterized in that, each warm area Temperature Setting of described twin screw extruder is as follows:
One-170 ℃, 160 ℃, district, two-175 ℃, 165 ℃, districts, three-180 ℃, 170 ℃, districts, four-190 ℃, 180 ℃, districts, five-195 ℃, 190 ℃, districts, six-200 ℃, 190 ℃, districts, seven-200 ℃, 190 ℃, districts, eight-190 ℃, 180 ℃, districts, nine-185 ℃, 175 ℃, districts.
9. according to the preparation method of the polypropylene composite material cross beams of automobile water tank described in claim 7 or 8, it is characterized in that, the engine speed of described twin screw extruder is 100-200rpm.
10. the preparation method of polypropylene composite material cross beams of automobile water tank according to claim 7, is characterized in that, each warm area Temperature Setting of described injection moulding machine is as follows:
One-180 ℃, 170 ℃, district, two-185 ℃, 175 ℃, districts, three-190 ℃, 180 ℃, districts, four-200 ℃, 190 ℃, districts, five-195 ℃, 185 ℃, districts, six-190 ℃, 180 ℃, districts.
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