CN103756125B - A kind of PP composite material cross beams of automobile water tank and preparation method - Google Patents

A kind of PP composite material cross beams of automobile water tank and preparation method Download PDF

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Publication number
CN103756125B
CN103756125B CN201310521503.9A CN201310521503A CN103756125B CN 103756125 B CN103756125 B CN 103756125B CN 201310521503 A CN201310521503 A CN 201310521503A CN 103756125 B CN103756125 B CN 103756125B
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water tank
districts
composite
beams
automobile water
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CN103756125A (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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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/12Making granules characterised by structure or composition
    • B29B9/14Making granules characterised by structure or composition fibre-reinforced
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/10Homopolymers or copolymers of propene
    • C08L23/12Polypropene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58Component parts, details or accessories; Auxiliary operations
    • B29B7/72Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/74Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461Combinations of dissimilar mixers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/80Component parts, details or accessories; Auxiliary operations
    • B29B7/88Adding charges, i.e. additives
    • B29B7/90Fillers or reinforcements, e.g. fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/12Making granules characterised by structure or composition
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/76Measuring, controlling or regulating
    • B29C45/78Measuring, controlling or regulating of temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/04Particle-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • B29C48/40Means 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875Thermal 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/10Homopolymers or copolymers of propene
    • C08L23/14Copolymers of propene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/02Making granules by dividing preformed material
    • B29B9/06Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76494Controlled parameter
    • B29C2945/76531Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • B29C2948/9259Angular velocity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885Screw or gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895Barrel or housing
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/14Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16Fibres; Fibrils

Abstract

The invention discloses a kind of PP composite material cross beams of automobile water tank and preparation method, belong to field of compound material. described water tank cross beam comprises the polypropylene of the component of following mass fraction: 40%-80%, the flexibilizer of 0%-30%, the fibre reinforcement of 5%-60%, the antioxidant of 0.3%-0.5%, the Masterbatch of 0%-1% and the compatilizer of 0.5%-3%, described water tank cross beam preparation method comprises: above-mentioned each component is passed through to double screw extruder extruding pelletization, then carry out injection mo(u)lding by injection molding process and prepare described PP composite material cross beams of automobile water tank, the density of prepared water tank cross beam is less, rigidity, impact property is more excellent, not only obviously alleviate the weight of water tank cross beam, be beneficial to body lightening, and meet the technical indicator of water tank cross beam. adopt polypropylene material, cost is lower, and processing technology is simple, and easy-formation has improved production economy and the efficiency of water tank cross beam.

Description

A kind of PP composite material cross beams of automobile water tank and preparation method
Technical field
The present invention relates to field of compound material, particularly PP 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 engineThe weight of lid and water tank, is also bearing the impulsive force in bonnet opening process.
In prior art by panel beating material being cut, is rushed/cut/compound, folding, welding, riveted joint, splicing, moulding (automobileWater tank cross beam), 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.
Realizing in process of the present invention, inventor 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 density3),Make the weight of its prepared cross beams of automobile water tank larger, be unfavorable for body lightening, and processing technology complexity, cost is higher,Make 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 fiberReinforced polypropylene compound material cross beams of automobile water tank and preparation method. Described technical scheme is as follows:
A kind of TRPP composite material automobile water tank cross beam, described PP composite material are provided on the one handCross beams of automobile water tank comprises the polypropylene of the component of following mass fraction: 40%-80%, the flexibilizer of 0%-30%, the fibre of 5%-58%Antioxidant, the Masterbatch of 0%-1% and the compatilizer of 0.5%-3% of dimension reinforcement, 0.3%-0.5%.
Particularly, as preferably, described polypropylene is at least one of HOPP and COPP.
Particularly, as preferably, described flexibilizer is ethylene-propylene-octene terpolymer, ethylene-propylene-butadieneThe ethylene-butadiene-styrene copolymer of terpolymer, SB, hydrogenation and propylene-ethylene graftingAt least one of copolymer.
Particularly, as preferably, described fibre reinforcement is carbon fiber, glass fibre, aramid fiber and basalt fibreAt least one.
Particularly, as preferably, described antioxidant is antioxidant 1010 and irgasfos 168 is composite forms.
Particularly, as preferably, described compatilizer is maleic anhydride, silane coupler, Aluminate coupling agent and titanate estersAt least one of coupling agent.
On the other hand, provide a kind of preparation method of TRPP composite material automobile water tank cross beam, described inThe preparation method of PP composite material cross beams of automobile water tank comprises the following steps:
Step 1: by polypropylene, flexibilizer, antioxidant, Masterbatch and compatilizer mix and blend 5-under homogenizer20min;
Step 2: the mixed material that step 1 is obtained adds in twin-screw extrusion owner feed hopper, and by fiber reinforcementBody is added into the dedicated fiber charging aperture place of described double screw extruder, by described double screw extruder extruding pelletization, dryPelletizing, obtains TRPP composite material granular;
Step 3: TRPP composite material granular in step 2, by injection machine injection mo(u)lding, is obtained to fiberReinforced polypropylene compound material cross beams of automobile water tank;
Described polypropylene, described flexibilizer, described fibre reinforcement, described antioxidant, described Masterbatch and described compatibleThe mass fraction of agent 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 double screw extruder is as follows:
One-170 DEG C, 160 DEG C, district, two-175 DEG C, 165 DEG C, districts, three-180 DEG C, 170 DEG C, districts, four-190 DEG C, 180 DEG C, districts, 5th district190 DEG C-195 DEG C, six-200 DEG C, 190 DEG C, districts, seven-200 DEG C, 190 DEG C, districts, eight-190 DEG C, 180 DEG C, districts, nine-185 DEG C, 175 DEG C, districts.
Particularly, as preferably, the engine speed of described double screw extruder is 100-200rpm.
Particularly, as preferably, each warm area Temperature Setting of described injection machine is as follows:
One-180 DEG C, 170 DEG C, district, two-185 DEG C, 175 DEG C, districts, three-190 DEG C, 180 DEG C, districts, four-200 DEG C, 190 DEG C, districts, 5th district185 DEG C-195 DEG C, six-190 DEG C, 180 DEG C, districts.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
The PP composite material cross beams of automobile water tank that the embodiment of the present invention provides, by adopt 40%-80% polypropylene,The antioxidant of the flexibilizer of 0%-30%, the fibre reinforcement of 5%-58%, 0.3%-0.5%, the Masterbatch of 0%-1% and 0.5%-3%'sCompatilizer, and being prepared from by injection molding process, the density of the prepared water tank cross beam of this PP composite material is less,Obviously alleviate the weight of water tank cross beam, be beneficial to body lightening development, thereby improved fuel economy, and its rigidity, resistance toImpact property is more excellent, has met the technical indicator of water tank cross beam. The PP composite material automobile that the embodiment of the present invention providesThe preparation method of water tank cross beam, processing technology is simple, has greatly improved production efficiency, makes preparation cost lower, has improved waterThe economic adaptability of case crossbeam.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, required making in describing embodiment belowWith accompanying drawing be briefly described, apparently, the accompanying drawing in the following describes is only some embodiments of the present invention, forThose of ordinary skill in the art, are not paying under the prerequisite of creative work, can also obtain other according to these accompanying drawingsAccompanying drawing.
Fig. 1 is the PP composite material cross beams of automobile water tank preparation method flow chart that the embodiment of the present invention provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the invention process sideFormula is described in further detail.
Embodiment mono-
The embodiment of the present invention provides a kind of TRPP composite material automobile water tank cross beam, and described polypropylene is multipleCondensation material cross beams of automobile water tank comprises polypropylene, the flexibilizer of 0%-30%, the 5%-of the component of following mass fraction: 40%-80%60% fibre reinforcement, the antioxidant of 0.3%-0.5%, the Masterbatch of 0%-1% and the compatilizer of 0.5%-3%.
The PP composite material cross beams of automobile water tank that the embodiment of the present invention provides, by adopt 40%-80% polypropylene,The antioxidant of the flexibilizer of 0%-30%, the fibre reinforcement of 5%-58%, 0.3%-0.5%, the Masterbatch of 0%-1% and 0.5%-3%'sCompatilizer, and being prepared from by injection molding process, the density of the prepared water tank cross beam of this PP composite material is less,Obviously alleviate the weight of water tank cross beam, be beneficial to body lightening development, thereby improved fuel economy, and its rigidity, resistance toImpact property is more excellent, has met the technical indicator of water tank cross beam;
Described polypropylene is at least one of HOPP and COPP.
Described fibre reinforcement is at least one of carbon fiber, glass fibre, aramid fiber and basalt fibre.
Fibre reinforcement described in the TRPP composite material automobile water tank cross beam that the embodiment of the present invention providesLength be 2-3cm.
The TRPP composite that the embodiment of the present invention provides is little based on polypropylene material density, chemically stableThe advantage that property is good, carries out composite forming by polypropylene material and fibre reinforcement, use above-mentioned fibre reinforcement and control itsLength in PP composite material is 2-3cm, load suffered polypropylene matrix effectively can be transferred to above-mentioned fiber reinforcementOn body, increase substantially the physical and mechanical property of polypropylene matrix, prepared composite is keeping original good physicsAnd on the basis of chemical property, more outstanding its low-density and high-intensity advantage.
Described flexibilizer is ethylene-propylene-octene terpolymer, ethylene-propylene-butadiene terpolymer, benzene secondThe ethylene-butadiene-styrene copolymer of alkene-butadiene copolymer, hydrogenation and propylene-ethylene graft copolymer at least oneKind.
By add above-mentioned flexibilizer in PP composite material, its compatible degree in PP composite material is higher,And can obviously reduce the fragility of polypropylene material, improve its shock resistance.
Described antioxidant is antioxidant 1010 and irgasfos 168 is composite forms.
The carrying out that uses antioxidant can stop polypropylene autoxidation chain reaction process, thus the aging of composite stopedAnd extend its service life. Embodiment of the present invention antioxidant is antioxidant 1010 and irgasfos 168 is composite forms, both composite ratiosExample can be 1/2-2/1, and both are used in conjunction with has cooperative effect, can stop free radical chain reaction and decompose peroxidating whereinThing, reaches good antiageing effect. Antioxidant also can use amine, phenols, thioesters class.
At least one of described compatilizer maleic anhydride, silane coupler, 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 non-Polar resin combination. Can introduce strong polar reaction group by above-mentioned compatilizer, improve compatibility between composite withAnd the dispersiveness of other fillers, stretching, the impact strength of raising product, realize high filling, reduces resin demand, improvement processing streamSex change, and can improve surface smoothness.
The embodiment of the present invention can adopt silane coupler etc. as compatilizer, for further RPP and fiber itBetween cohesive force, also can adopt peroxidating silane coupler: as vinyl three (tertiary butyl peroxidating) silane; Chloride couplingAgent: by perchloride use such as silane and perchloro-pentamethylene, xylyl chloride, HET acid acid anhydrides, can improve significantly polypropylene multipleThe intensity of condensation material and surface smoothness.
Embodiment bis-
As shown in Figure 1, the embodiment of the present invention provides a kind of TRPP composite material automobile water tank cross beamPreparation method, specifically comprise the following steps:
Step 1: by polypropylene, flexibilizer, antioxidant, Masterbatch and compatilizer mix and blend 5-under homogenizer20min;
Step 2: the mixed material that step 1 is obtained adds in twin-screw extrusion owner feed hopper, and by fiber reinforcementBody is added into the dedicated fiber charging aperture place of described double screw extruder, by described double screw extruder extruding pelletization, dryPelletizing, obtains TRPP composite material granular;
Step 3: TRPP composite material granular in step 2, by injection machine injection mo(u)lding, is obtained to fiberReinforced polypropylene compound material cross beams of automobile water tank;
Described polypropylene, described flexibilizer, described fibre reinforcement, described antioxidant, described Masterbatch and described compatibleThe mass fraction of agent is respectively 40%-80%, 0%-30%, 5%-58%, 0.3%-0.5%, 0%-1% and 0.5%-3%.
The preparation method of the PP composite material cross beams of automobile water tank that the embodiment of the present invention provides, processing technology is simple,Greatly improve production efficiency, made preparation cost lower, improved the economic adaptability of water tank cross beam.
Wherein, in step 2, the rate of feeding of mixed material and the rate of feeding of fibre reinforcement are by prepared enhancingProportioning decision in fiber PP composite material between each material, and can in its ratio range, suitably adjust, therebyControl properties of product.
Described polypropylene is at least one of HOPP and COPP.
Described flexibilizer is ethylene-propylene-octene terpolymer, ethylene-propylene-butadiene terpolymer, benzene secondThe ethylene-butadiene-styrene copolymer of alkene-butadiene copolymer, hydrogenation and propylene-ethylene graft copolymer at least oneKind.
Described fibre reinforcement is at least one of carbon fiber, glass fibre, aramid fiber and basalt fibre.
Described antioxidant is antioxidant 1010 and irgasfos 168 is composite forms.
Described compatilizer is at least one of maleic anhydride, silane coupler, Aluminate coupling agent and titanate coupling agent.
Each warm area Temperature Setting of described double screw extruder is as follows:
One-170 DEG C, 160 DEG C, district, two-175 DEG C, 165 DEG C, districts, three-180 DEG C, 170 DEG C, districts, four-190 DEG C, 180 DEG C, districts, 5th district190 DEG C-195 DEG C, six-200 DEG C, 190 DEG C, districts, seven-200 DEG C, 190 DEG C, districts, eight-190 DEG C, 180 DEG C, districts, nine-185 DEG C, 175 DEG C, districts.
The engine speed of described double screw extruder is 100-200rpm.
The physical characteristic of PP composite material provided by the invention determining above-mentioned double screw extruder each warm area andThe setting of engine speed, district's charging aperture is set to lower temperature, and prevent material in charging aperture melting and stop up charging aperture, and according toAbove-mentioned temperature of charge is progressively warming up to temperature described in five Zhi Liu districts of district, higher than above-mentioned each material melting temperature, above-mentioned material is enteredThe uniform melting of row, is then progressively cooled to nine district's temperature, better controls the extrusion molding of described composite.
Each warm area Temperature Setting of described injection machine is as follows:
One-180 DEG C, 170 DEG C, district, two-185 DEG C, 175 DEG C, districts, three-190 DEG C, 180 DEG C, districts, four-200 DEG C, 190 DEG C, districts, 5th district185 DEG C-195 DEG C, six-190 DEG C, 180 DEG C, districts. Described polypropylene is at least one of HOPP and COPP.
The physical characteristic of PP composite material provided by the invention is determining the warm area temperature setting of above-mentioned injection machine, oneDistrict's feeding mouth temperature is lower, and two Yu San district of district iterative methods, slowly melt material, and mould material in 5th district of 4th districtsChange, temperature raises again, the head discharging moulding of 6th district, and temperature reduces, and is convenient to control the shape of product.
Embodiment tri-
The embodiment of the present invention provides a kind of TRPP composite material automobile water tank cross beam and preparation method thereof,Described preparation method specifically comprises the following steps:
Step 1: take mass fraction and be respectively 40% HOPP, ethylene-propylene-octene ternary polymerization of 10%Thing, 0.3% antioxidant 1010 and irgasfos 168 compound, 0.1% Masterbatch and 3% maleic anhydride, and in high-speed stirredMix and blend 5-20min under machine;
Step 2: the mixed material in step 1 is added in twin-screw extrusion owner feed hopper, meanwhile, by qualityMark is that 46% carbon fiber is added into double screw extruder dedicated fiber charging aperture place, and is extruded and made by double screw extruderGrain, dry pelletizing, in this process, each warm area temperature of setting double screw extruder is: 160 DEG C, a district, two 165 DEG C, districts, three170 DEG C, district, four 180 DEG C, districts, five 190 DEG C, districts, six 190 DEG C, districts, seven 190 DEG C, districts, eight 180 DEG C, districts, nine-185 DEG C, 175 DEG C, districts; MainMachine rotating speed is 100-200rpm.
Step 3: the composite material granular obtaining, by injection machine injection mo(u)lding, is obtained to TRPP composite woodMaterial cross beams of automobile water tank, obtains TRPP composite material automobile water tank cross beam, in this process, setting injection machineEach warm area temperature is: 180 DEG C, a district, two 185 DEG C, districts, three 190 DEG C, districts, four 200 DEG C, districts, five 195 DEG C, districts, six 190 DEG C, districts.
The each performance parameter of prepared water tank cross beam is as shown in table 1:
Table 1
As shown in Table 1, each material of embodiment of the present invention said ratio is extruded by the double screw extruder of above-mentioned parameterMoulding and injection machine injection mo(u)lding, the density of prepared TRPP composite material automobile water tank cross beam is less, far awayFar below the density (being about 7.0g/cm3) of panel beating material, obviously alleviate the weight of water tank cross beam, be beneficial to body lightening and send outExhibition, thus fuel economy improved, and its rigidity, impact resistance are more excellent, have met the technical indicator of water tank cross beam; AndProcessing technology is simple, has greatly improved production efficiency, makes preparation cost lower, has improved the economic adaptability of water tank cross beam.
Embodiment tetra-
The embodiment of the present invention provides a kind of TRPP composite material automobile water tank cross beam and preparation method thereof,Described preparation method specifically comprises the following steps:
Step 1: take mass fraction and be respectively 75% COPP, ethylene-propylene-butadiene tri-component copolymerization of 13%Thing, 0.5% antioxidant 1010 and irgasfos 168 compound, 1% Masterbatch and 0.5% silane coupler, and in high-speed stirringMix mix and blend 20min under machine;
Step 2: the mixed material in step 1 is added in twin-screw extrusion owner feed hopper, meanwhile, by qualityMark is that 10% glass fibre is added into double screw extruder dedicated fiber charging aperture place, and extrudes by double screw extruderGranulation, dry pelletizing, in this process, each warm area temperature of setting double screw extruder is: 170 DEG C, a district, two 175 DEG C, districts,Three 180 DEG C, districts, four 190 DEG C, districts, five 195 DEG C, districts, six 200 DEG C, districts, seven 200 DEG C, districts, eight 190 DEG C, districts, nine 185 DEG C, districts, described twoThe engine speed of screw extruder is 100rpm.
Step 3: the composite material granular obtaining, by injection machine injection mo(u)lding, is obtained to TRPP composite woodMaterial cross beams of automobile water tank is in this process, and each warm area temperature of setting injection machine is: 170 DEG C, a district, two 175 DEG C, districts, three districts 180DEG C, four 190 DEG C, districts, five 185 DEG C, districts, six 180 DEG C, districts.
The each performance parameter of prepared water tank cross beam is as shown in table 2:
Table 2
As shown in Table 2, each material of embodiment of the present invention said ratio is extruded by the double screw extruder of above-mentioned parameterMoulding and injection machine injection mo(u)lding, the density of prepared TRPP composite material automobile water tank cross beam is less, far awayFar below the density (being about 7.0g/cm3) of panel beating material, obviously alleviate the weight of water tank cross beam, be beneficial to body lightening and send outExhibition, thus fuel economy improved, and its rigidity, impact resistance are more excellent, have met the technical indicator of water tank cross beam; AndProcessing technology is simple, has greatly improved production efficiency, makes preparation cost lower, has improved the economic adaptability of water tank cross beam.
Embodiment five
The embodiment of the present invention provides a kind of TRPP composite material automobile water tank cross beam and preparation method thereof,Described preparation method specifically comprises the following steps:
Step 1: taking mass fraction, to be respectively 50% polypropylene be HOPP and COPP mixture, 20%SB, 0.2% antioxidant 1010 and irgasfos 168 compound, 0.8% Masterbatch and 2% siliconAlkane coupling agent, and under homogenizer mix and blend 20min;
Step 2: the mixed material in step 1 is added in twin-screw extrusion owner feed hopper, meanwhile, by qualityMark is that 27% glass fibre is added into double screw extruder dedicated fiber charging aperture place, and extrudes by double screw extruderGranulation, dry pelletizing, in this process, each warm area temperature of setting double screw extruder is: 165 DEG C, a district, two 170 DEG C, districts,Three 175 DEG C, districts, four 185 DEG C, districts, five 193 DEG C, districts, six 195 DEG C, districts, seven district 190-200 DEG C, eight 185 DEG C, districts, nine 180 DEG C, districts, instituteThe engine speed of stating double screw extruder is 150rpm.
Step 3: the composite material granular obtaining, by injection machine injection mo(u)lding, is obtained to TRPP composite woodMaterial cross beams of automobile water tank, makes TRPP composite material automobile water tank cross beam, in this process, setting injection machineEach warm area temperature is: 176 DEG C, a district, two 182 DEG C, districts, three 187 DEG C, districts, four 193 DEG C, districts, five 192 DEG C, districts, six 180 DEG C, districts.
The each performance parameter of prepared water tank cross beam is as shown in table 3:
Table 3
As shown in Table 3, each material of embodiment of the present invention said ratio is extruded by the double screw extruder of above-mentioned parameterMoulding and injection machine injection mo(u)lding, the density of prepared TRPP composite material automobile water tank cross beam is less, far awayFar below the density (being about 7.0g/cm3) of panel beating material, obviously alleviate the weight of water tank cross beam, be beneficial to body lightening and send outExhibition, thus fuel economy improved, and its rigidity, impact resistance are more excellent, have met the technical indicator of water tank cross beam; AndProcessing technology is simple, has greatly improved production efficiency, makes preparation cost lower, has improved the economic adaptability of water tank cross beam.
Embodiment six
The embodiment of the present invention provides a kind of TRPP composite material automobile water tank cross beam and preparation method thereof,Described preparation method is specific as follows:
By 57wt% polypropylene, ethylene-propylene-octene terpolymer of 10wt%, the antioxidant of 0.5wt%, the look of 1wt%Master batch, the maleic anhydride of 1.5wt% adds in homogenizer and stirs 10min, and said mixture material is added to double screw extruderIn main feeding, then the continuous long carbon fiber of 30wt% is added respectively to the special fiber entry of dual-screw-stem machine, pass through twin-screw extrusionMachine extruding pelletization, dry pelletizing; By injection machine injection mo(u)lding, obtain TRPP composite material automobile water tank horizontal strokeBeam, in this process, each warm area temperature of setting double screw extruder is: 170 DEG C, a district, two 175 DEG C, districts, three 180 DEG C, districts, four190 DEG C, district, five 195 DEG C, districts, six 200 DEG C, districts, seven 200 DEG C, districts, eight 190 DEG C, districts, nine 185 DEG C, districts, engine speed 130rpm; SetEach warm area temperature of injection machine is: 178 DEG C, a district, two 184 DEG C, districts, three 189 DEG C, districts, four 195 DEG C, districts, five 194 DEG C, districts, 6th district182℃。
The each performance parameter of prepared water tank cross beam is as shown in table 4:
Table 4
As shown in Table 4, each material of embodiment of the present invention said ratio is extruded by the double screw extruder of above-mentioned parameterMoulding and injection machine injection mo(u)lding, the density of prepared TRPP composite material automobile water tank cross beam is less, far awayFar below the density (being about 7.0g/cm3) of panel beating material, obviously alleviate the weight of water tank cross beam, be beneficial to body lightening and send outExhibition, thus fuel economy improved, and its rigidity, impact resistance are more excellent, have met the technical indicator of water tank cross beam; AndProcessing technology is simple, has greatly improved production efficiency, makes preparation cost lower, has improved the economic adaptability of water tank cross beam.
Embodiment seven:
The embodiment of the present invention provides a kind of TRPP composite material automobile water tank cross beam and preparation method thereof,Described preparation method is specific as follows:
By 62wt% polypropylene, ethylene-propylene-butadiene terpolymer of 15wt%, the antioxidant of 0.3wt%, 1wt%'sMasterbatch, the Silane coupling agent KH550 of 1.7wt% adds and in homogenizer, stirs 10min, said mixture material is added twoIn 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 two spiral shellsBar extruder extruding pelletization, dry pelletizing; By injection machine injection mo(u)lding, obtain TRPP composite material automobile waterCase crossbeam, in this process, each warm area of setting double screw extruder is: 165 DEG C, a district, two 170 DEG C, districts, three 180 DEG C, districts, four185 DEG C, district, five 190 DEG C, districts, six 200 DEG C, districts, seven 200 DEG C, districts, eight 185 DEG C, districts, nine 175 DEG C, districts, engine speed 200rpm; SetEach warm area temperature of injection machine is: 175 DEG C, a district, two 181 DEG C, districts, three 186 DEG C, districts, four 192 DEG C, districts, five 191 DEG C, districts, 6th district180℃。
The each performance parameter 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 extruded by the double screw extruder of above-mentioned parameterMoulding and injection machine injection mo(u)lding, the density of prepared TRPP composite material automobile water tank cross beam is less, far awayFar below the density (being about 7.0g/cm3) of panel beating material, obviously alleviate the weight of water tank cross beam, be beneficial to body lightening and send outExhibition, thus fuel economy improved, and its rigidity, impact resistance are more excellent, have met the technical indicator of water tank cross beam; AndProcessing technology is simple, has greatly improved production efficiency, makes preparation cost lower, has improved the economic adaptability of water tank cross beam.
Embodiment eight
The embodiment of the present invention provides a kind of TRPP composite material automobile water tank cross beam and preparation method thereof,Described preparation method is specific as follows:
By 62wt% polypropylene, the SB of 5wt%, the antioxidant of 0.5wt%, the Masterbatch of 1wt%,The maleic anhydride of 1.5wt% adds and in homogenizer, stirs 10min, adds twin-screw extrusion owner to feed in said mixture materialIn material, then the glass fibre of 30wt% is added to the special fiber entry of dual-screw-stem machine, by double screw extruder extruding pelletization,Dry pelletizing; Injection mo(u)lding, obtains TRPP composite material automobile water tank cross beam, in this process, sets two spiral shellsEach warm area of bar extruder is: 170 DEG C, a district, two 175 DEG C, districts, three 180 DEG C, districts, four 190 DEG C, districts, five 195 DEG C, districts, six districts 200DEG C, seven 200 DEG C, districts, eight 190 DEG C, districts, nine 185 DEG C, districts, engine speed 150rpm; Each warm area temperature of setting injection machine is: a district171 DEG C, two 173 DEG C, districts, three 183 DEG C, districts, four 190 DEG C, districts, five 187 DEG C, districts, six 180 DEG C, districts.
The each performance parameter of prepared water tank cross beam is as shown in table 6:
Table 6
As shown in Table 6, each material of embodiment of the present invention said ratio is extruded by the double screw extruder of above-mentioned parameterMoulding and injection machine injection mo(u)lding, the density of prepared TRPP composite material automobile water tank cross beam is less, far awayFar below the density (being about 7.0g/cm3) of panel beating material, obviously alleviate the weight of water tank cross beam, be beneficial to body lightening and send outExhibition, thus fuel economy improved, and its rigidity, impact resistance are more excellent, have met the technical indicator of water tank cross beam; AndProcessing technology is simple, has greatly improved production efficiency, makes preparation cost lower, has improved the economic adaptability of water tank cross beam.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all in spirit of the present invention andWithin principle, any amendment of doing, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.

Claims (9)

1. a PP composite material cross beams of automobile water tank, is characterized in that, described PP composite material radiator horizontal strokeBeam comprises that the polypropylene of the component of following mass fraction: 40%-80%, the flexibilizer of 5%-30%, the fiber of 5%-46% increaseThe compatilizer of the antioxidant of Qiang Ti, 0.3%-0.5%, the Masterbatch of 0%-1% and 0.5%-3%;
Described fibre reinforcement is at least one of carbon fiber, aramid fiber and basalt fibre, and controls described fiber reinforcementThe length of body in described PP composite material is 2-3cm.
2. PP composite material cross beams of automobile water tank according to claim 1, is characterized in that, described polypropylene is equalAt least one of poly-polypropylene and COPP.
3. PP composite material cross beams of automobile water tank according to claim 1, is characterized in that, described flexibilizer is secondAlkene-propylene-octene terpolymer, ethylene-propylene-butadiene terpolymer, SB, hydrogenationAt least one of ethylene-butadiene-styrene copolymer and propylene-ethylene graft copolymer.
4. PP composite material cross beams of automobile water tank according to claim 1, is characterized in that, described antioxidant is by resistingOxygen agent 1010 forms with irgasfos 168 is composite.
5. PP composite material cross beams of automobile water tank according to claim 1, is characterized in that, described compatilizer is horseCarry out at least one of acid anhydrides, silane coupler, aluminate coupling agent and titanate coupling agent.
6. a preparation method for the PP composite material cross beams of automobile water tank described in claim 1-5 any one, its featureBe, the preparation method of described PP composite material cross beams of automobile water tank comprises the following steps:
Step 1: by polypropylene, flexibilizer, antioxidant, Masterbatch and compatilizer mix and blend 5-20min under homogenizer;
Step 2: the mixed material that step 1 is obtained adds in twin-screw extrusion owner feed hopper, and fibre reinforcement is addedAdd the dedicated fiber charging aperture place of described double screw extruder, by described double screw extruder extruding pelletization, dry pelletizing,Obtain TRPP composite material granular;
Step 3: TRPP composite material granular in step 2, by injection machine injection mo(u)lding, is obtained to fiber reinforcementPP composite material cross beams of automobile water tank;
Described polypropylene, described flexibilizer, described fibre reinforcement, described antioxidant, described Masterbatch and described compatilizerMass fraction is respectively 40%-80%, 5%-30%, 5%-46%, 0.3%-0.5%, 0%-1% and 0.5%-3%.
7. the preparation method of PP composite material cross beams of automobile water tank according to claim 6, is characterized in that, described inEach warm area Temperature Setting of double screw extruder is as follows:
One-170 DEG C, 160 DEG C, district, two-175 DEG C, 165 DEG C, districts, three-180 DEG C, 170 DEG C, districts, four-190 DEG C, 180 DEG C, districts, five districts 190DEG C-195 DEG C, six-200 DEG C, 190 DEG C, districts, seven-200 DEG C, 190 DEG C, districts, eight-190 DEG C, 180 DEG C, districts, nine-185 DEG C, 175 DEG C, districts.
8. according to the preparation method of the PP composite material cross beams of automobile water tank described in claim 6 or 7, it is characterized in that,The engine speed of described double screw extruder is 100-200rpm.
9. the preparation method of PP composite material cross beams of automobile water tank according to claim 6, is characterized in that, described inEach warm area Temperature Setting of injection machine is as follows:
One-180 DEG C, 170 DEG C, district, two-185 DEG C, 175 DEG C, districts, three-190 DEG C, 180 DEG C, districts, four-200 DEG C, 190 DEG C, districts, five districts 185DEG C-195 DEG C, six-190 DEG C, 180 DEG C, districts.
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