CN103571059A - Polypropylene composite material as well as preparation method and use thereof - Google Patents
Polypropylene composite material as well as preparation method and use thereof Download PDFInfo
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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
- C08L23/14—Copolymers of propene
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- 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
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- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- 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
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- 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
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
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- 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
- 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
- B29C2945/76498—Pressure
-
- 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
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the field of organic high molecular compounds, and relates to a polypropylene composite material as well as a preparation method and use thereof. The polypropylene composite material is prepared from the following components in parts by weight: 80-100 parts of polypropylene, 10-20 parts of thermoplastic elastomers, 8-12 parts of low density polyethylene, 8-12 parts of inorganic filler, 5-8 parts of crystal whiskers, 0.3-0.6 part of an antioxidant, 0.3-0.6 part of oxidized polyethylene wax, 2-4 parts of polypropylene-grafted maleic anhydride and 0.1-0.3 part of a coupling agent. The polypropylene composite material disclosed by the invention can be used for preparing steering wheels. The product produced by using the composite material has the advantages of uniform surface gloss, uniform color, comfortable feel, good stress cracking resistance, good comprehensive mechanical property and the like.
Description
Technical field
The invention belongs to organic high molecular compound field, relate to a kind of polypropylene composite material and its production and use.
Background technology
Vehicle steering is the vitals of automobile, and it not only plays the effect of an operation handle arm, and can play the effect that absorbs most of impact energy while bumping in the engineering of travelling of automobile, thereby guarantees the safety of navigating mate.American car safety standards FM-VSS203 regulation, automobile is when travelling with 24km/h speed, and the maximum load producing when chest model impact direction dish with 35kg should be less than 11kN.Therefore, require the material of producing bearing circle should there is higher shock strength and rigidity, the corrosion of resistance to gasoline, diesel oil, sweat, handling property will be got well, and surface luster is even, not dazzling, preferably dyeability and dyefastness.Owing to there being a metallic framework in bearing circle, also require material to have preferably and metal bonding and stress cracking resistance, mobility and forming process type will be got well.In early days, vehicle steering is produced with phenolaldehyde moulding compound, and great majority are to produce with thermoplastics now.
Chinese patent CN102344609A discloses polypropene composition of a kind of resistance to creep and preparation method thereof and application, by acrylic resin, elastomerics, high length-diameter ratio mineral filler and nucleator, made, described high length-diameter ratio mineral filler is high length-diameter ratio talcum powder, high length-diameter ratio wollastonite, high length-diameter ratio mica powder or high length-diameter ratio whisker.This polypropene composition does not have antioxidant property, and the bonding force of mineral filler simultaneously and resin is poor, affects the mechanical properties.
Summary of the invention
The object of the invention is to provides a kind of polypropylene composite material and its production and use for overcoming the defect of prior art.
This polypropylene composite material has higher shock strength and rigidity, the corrosion of oil-proofness, diesel oil, sweat, and handling property is good, and surface luster is even, not dazzling, and dyeability and dyefastness have good cohesiveness and stress cracking resistance with metal simultaneously preferably.
For achieving the above object, the present invention is by the following technical solutions:
, by the component that comprises following weight part, made:
80 ~ 100 parts of polypropylene,
10 ~ 20 parts of thermoplastic elastomers,
8 ~ 12 parts of Low Density Polyethylenes,
8 ~ 12 parts of inorganic fillings,
5 ~ 8 parts of whiskers,
0.3 ~ 0.6 part, oxidation inhibitor,
0.3 ~ 0.6 part of oxidized polyethlene wax,
2 ~ 4 parts of polypropylene grafted maleic anhydrides,
0.1 ~ 0.3 part of coupling agent.
Described polypropylene (PP) is that Co-polypropylene and two kinds of homo-polypropylene are composite, and preferred, the ratio of the weight part of described Co-polypropylene and homo-polypropylene is 3:2.
The melting index scope of described Co-polypropylene is 24 ~ 35g/10min, and the melting index scope of described homo-polypropylene is 1 ~ 4g/10min.
Described thermoplastic elastomer is styrene-butadiene-styrene block copolymer (SBS), polyolefin elastomer (POE) or terpolymer EP rubber (EPDM).
Described inorganic fillings is one or more in talcum powder, calcium carbonate, kaolin, glass microballon, barium sulfate, wollastonite or mica.
Described whisker is calcium carbonate crystal whisker, potassium titanate crystal whisker, calcium sulfate crystal whiskers or magnesium hydroxide crystal whisker.
Described oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] two kinds of oxidation inhibitor of pentaerythritol ester (antioxidant 1010) and three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester (irgasfos 168) are composite, and the ratio of the weight part of preferred antioxidant 1010 and irgasfos 168 is 1:2.
Described oxidized polyethlene wax relative molecular mass is 1500 ~ 2500, acid number >25.
The percentage of grafting of described polypropylene grafted maleic anhydride (PP-g-MAH) is 2.0-3.0%.
Described coupling agent is silane coupling agent or titanate coupling agent.
Described silane coupling agent comprises vinyltriethoxysilane or vinyl trichloro silane.
Described titanate coupling agent comprises isopropyl triisostearoyl titanate or three oleoyl isopropyl titanates.
A preparation method for above-mentioned polypropylene composite material, comprises the following steps:
(1) by said ratio, take the raw material of following weight part: 0.1 ~ 0.3 part of 80 ~ 100 parts of polypropylene, 10 ~ 20 parts of thermoplastic elastomers, 8 ~ 12 parts of Low Density Polyethylenes (LDPE), 8 ~ 12 parts of inorganic fillings, 5 ~ 8 parts of whiskers, 0.3 ~ 0.6 part, oxidation inhibitor, 0.3 ~ 0.6 part of oxidized polyethlene wax, PP-g-MAH2 ~ 4 part, coupling agent, add and in high-speed mixer, carry out low speed mixing;
(2) hot-extrudable by adding in the material input forcing machine mixing, cooling and dicing, obtains described polypropylene composite material.
In described step (1), in the low speed mixing time, be 1 ~ 3min, mixing temperature is 30 ~ 40 ℃;
In described step (2), twin screw extruder divides six sections of heating, and Heating temperature is followed successively by: 150-160 ℃, 170 ~ 180 ℃, 190 ~ 200 ℃, 210 ~ 220 ℃, 220 ~ 230 ℃, 215 ~ 225 ℃ of heads; Screw speed 200 ~ 400r/min.
A kind of above-mentioned polypropylene composite material is as the purposes of automobile steering disk material.
Described purposes comprises the following steps: above-mentioned polypropylene composite material is added in injection moulding machine, metallic framework is put into injection mold simultaneously, injection is sealed, and makes vehicle steering.
Described metallic framework is selected from steel metallic framework, magnesium alloy metallic framework, Al-alloy metal skeleton or titanium alloy metallic framework.
Described injection temperature is followed successively by 225 ~ 235 ℃, 230 ~ 240 ℃, 235 ~ 245 ℃, 240 ~ 250 ℃; Injection pressure is 45 ~ 55Mpa, dwell pressure 40 ~ 50Mpa, inject time 3 ~ 6s, dwell time 4 ~ 8s, cooling time 20 ~ 30s, 40 ~ 60 ℃ of mould temperature.
Compared to existing technology, the invention has the beneficial effects as follows:
The present invention adopts two kinds of PP resins composite, has both guaranteed mobility, has guaranteed again mobility.Adopt thermoplastic elastomer to play toughening effect to PP, give material good feel simultaneously.In order to improve PP Pipe Compound in the affinity of when injection and metal, increase weighting agent and the polyacrylic consistency of base-material, make to form more intimate network in system, added graft polypropylene, improve the polarity of PP Pipe Compound, improved stress cracking resistance.Adding of whisker can make impact-absorbing vibrational energy when receiving External Force Acting.Meanwhile, crackle runs into whisker and just can be obstructed in expansion, and crackle is suppressed, thereby the enhancement of playing adds after whisker simultaneously fracture surface energy is improved, and fragility is reduced, and toughness increases.LDPE adds, flexible chain and stiff chain in material are coupled together, play the effect of " cross structure ", make each component in conjunction with tightr, reduced interfacial energy, make the more even of various molecular chains diffusions in system, reduced phase region size, improved stress crack resistance performance, improved comprehensive mechanical property, the inorganic strengthening agent of high number has improved the performances such as intensity, rigidity and thermotolerance of product.Adopt the composite of two kinds of oxidation inhibitor, greatly improve the thermal oxidation resistance ability of matrix material.Adding of oxidized polyethlene wax, improve the polarity of material and the tackiness of metal insert on the one hand, further improve on the other hand the mobility of material.Adding of coupling agent, can improve the interface bond strength of talcum powder and PP, thereby improve the mechanical property of material.
The product surface gloss that polypropylene composite material prepared by the present invention is produced all with, color even, hand feel and drape, has good stress crack resistance performance, comprehensive mechanical property is good.
Embodiment
Below in conjunction with embodiment, further illustrate the present invention.
If no special instructions, the umber of component is weight part.
Embodiment 1 ~ 3
(1) by the proportioning of table 1, take each component raw material, add in high-speed mixer and carry out low speed mixing, mixing time is 1min, and mixing temperature is 40 ℃;
(2) extruding pelletization: hot-extrudable by adding in the material input forcing machine mixing, cooling and dicing, obtains described polypropylene composite material.Wherein forcing machine Heating temperature is followed successively by: 155 ℃, and 175 ℃, 195 ℃, 215 ℃, 225 ℃, 220 ℃ of heads.Screw speed 320r/min, obtains described polypropylene composite material.
The polypropylene composite material that step (2) is made is as the purposes of automobile steering disk material; comprise the steps: the polypropylene composite material of preparation in step (2) to add in injection moulding machine; metallic framework is put into injection mold simultaneously; injection is sealed, injection temperature is followed successively by 225 ℃, 230, ℃, 235 ℃, 240 ℃; Injection pressure is 55Mpa, dwell pressure 50Mpa, inject time 6s, dwell time 8s, cooling time 20s, 40 ℃ of mould temperature, make vehicle steering finished product.
Wherein, the melting index scope of described Co-polypropylene is 24g/10min; The melting index scope of described homo-polypropylene is 1g/10min; In embodiment 1 ~ 3, oxidized polyethlene wax relative molecular mass is respectively 1500,2000,2500, acid number >25, wherein the percentage of grafting of PP-g-MAH is 2.0 ~ 3.0%, and metallic framework is respectively steel metallic framework, magnesium alloy metallic framework and Al-alloy metal skeleton.
Table 1
Embodiment 4 ~ 6
(1) by the proportioning of table 2, take each component raw material, add in high-speed mixer and carry out low speed mixing, mixing time is 3min, and mixing temperature is 30 ℃;
(2) extruding pelletization: hot-extrudable by adding in the material input forcing machine mixing, cooling and dicing, obtains described polypropylene composite material.
The polypropylene composite material that step (2) is made, as the purposes of automobile steering disk material, comprises the steps:
The polypropylene composite material of preparation in step (2) is added in injection moulding machine, titanium alloy is belonged to skeleton simultaneously and put into injection mold, injection is sealed, and injection temperature is followed successively by 235 ℃, 240 ℃, 245 ℃, 250 ℃; Injection pressure is 45Mpa, dwell pressure 40Mpa, inject time 3s, dwell time 4s, cooling time 30s, 60 ℃ of mould temperature, make vehicle steering finished product.
Wherein, the melting index scope of described Co-polypropylene is 35g/10min; The melting index scope of described homo-polypropylene is 4g/10min; In embodiment 4 ~ 6, oxidized polyethlene wax relative molecular mass is respectively 1500,2000,2500, acid number >25, and the percentage of grafting of PP-g-MAH is 2.0 ~ 3.0%.
In embodiment 4 steps (2), forcing machine Heating temperature is followed successively by: 150 ℃, and 170 ℃, 190 ℃, 210 ℃, 220 ℃, 215 ℃ of heads.Screw speed 200r/min.
In embodiment 5 steps (2), forcing machine Heating temperature is followed successively by: 155 ℃, and 175 ℃, 195 ℃, 215 ℃, 225 ℃, 220 ℃ of heads.Screw speed 300r/min.
In embodiment 6 steps (2), forcing machine Heating temperature is followed successively by: 160 ℃, and 180 ℃ 200 ℃, 220 ℃, 230 ℃, 225 ℃ of heads.Screw speed 400r/min.
Table 2
To obtaining product in embodiment 1 ~ 6, test, test data is as table 3:
Table 3
By test data in table 3, can find out that this material has higher shock strength and rigidity, have good cohesiveness and stress cracking resistance with metal.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. a polypropylene composite material, is characterized in that: by the component that comprises following weight part, made:
80 ~ 100 parts of polypropylene,
10 ~ 20 parts of thermoplastic elastomers,
8 ~ 12 parts of Low Density Polyethylenes,
8 ~ 12 parts of inorganic fillings,
5 ~ 8 parts of whiskers,
0.3 ~ 0.6 part, oxidation inhibitor,
0.3 ~ 0.6 part of oxidized polyethlene wax,
2 ~ 4 parts of polypropylene grafted maleic anhydrides,
0.1 ~ 0.3 part of coupling agent.
2. polypropylene composite material according to claim 1, is characterized in that: described polypropylene is that Co-polypropylene and two kinds of homo-polypropylene are composite, and preferred, the ratio of the weight part of described Co-polypropylene and homo-polypropylene is 3:2.
3. polypropylene composite material according to claim 2, is characterized in that: the melting index of described Co-polypropylene is 24 ~ 35g/10min, and the melting index of described homo-polypropylene is 1 ~ 4g/10min.
4. polypropylene composite material according to claim 1, is characterized in that: described thermoplastic elastomer is styrene-butadiene-styrene block copolymer, polyolefin elastomer or terpolymer EP rubber;
Or described inorganic fillings is one or more in talcum powder, calcium carbonate, kaolin, glass microballon, barium sulfate, wollastonite or mica;
Or described whisker is calcium carbonate crystal whisker, potassium titanate crystal whisker, calcium sulfate crystal whiskers or magnesium hydroxide crystal whisker;
Or described oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] two kinds of oxidation inhibitor of pentaerythritol ester and three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester are composite, the ratio of the weight part of preferred four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester is 1:2.
5. polypropylene composite material according to claim 1, is characterized in that: described oxidized polyethlene wax relative molecular mass is 1500 ~ 2500, acid number >25;
Or the percentage of grafting of described polypropylene grafted maleic anhydride is 2.0 ~ 3.0%;
Or described coupling agent is silane coupling agent or titanate coupling agent; Wherein said silane coupling agent is preferably vinyltriethoxysilane or vinyl trichloro silane; Described titanate coupling agent is preferably isopropyl triisostearoyl titanate or three oleoyl isopropyl titanates.
6. a preparation method for arbitrary described polypropylene composite material in the claims 1-5, is characterized in that: comprise the following steps:
(1) by proportioning claimed in claim 1, take the raw material of following weight part: 80 ~ 100 parts of polypropylene, 10 ~ 20 parts of thermoplastic elastomers, 8 ~ 12 parts of Low Density Polyethylenes, 8 ~ 12 parts of inorganic fillings, 5 ~ 8 parts of whiskers, 0.3 ~ 0.6 part, oxidation inhibitor, 0.3 ~ 0.6 part of oxidized polyethlene wax, 2 ~ 4 parts of polypropylene grafted maleic anhydrides, 0.1 ~ 0.3 part of coupling agent, add and in high-speed mixer, carry out low speed mixing;
(2) hot-extrudable by adding in the material input forcing machine mixing, cooling and dicing, obtains described polypropylene composite material.
7. preparation method according to claim 6, is characterized in that: in described step (1), the low speed mixing time is 1 ~ 3min, and mixing temperature is 30 ~ 40 ℃;
Or twin screw extruder divides six sections of heating in described step (2), Heating temperature is followed successively by: 150 ~ 160 ℃, and 170 ~ 180 ℃, 190 ~ 200 ℃, 210 ~ 220 ℃, 220 ~ 230 ℃, 215 ~ 225 ℃ of heads; Screw speed 200 ~ 400r/min.
In a claims 1-5 arbitrary described polypropylene composite material as the purposes of automobile steering disk material.
9. purposes according to claim 8, is characterized in that: comprise the following steps: described polypropylene composite material is added in injection moulding machine, metallic framework is put into injection mold simultaneously, injection is sealed, and makes vehicle steering.
10. purposes according to claim 9, is characterized in that: described injection temperature is followed successively by 225 ~ 235 ℃, 230 ~ 240 ℃, 235 ~ 245 ℃, 240 ~ 250 ℃; Injection pressure is 45 ~ 55Mpa, dwell pressure 40 ~ 50Mpa, inject time 3 ~ 6s, dwell time 4 ~ 8s, cooling time 20 ~ 30s, 40 ~ 60 ℃ of mould temperature;
Or described metallic framework is selected from steel metallic framework, magnesium alloy metallic framework, Al-alloy metal skeleton or titanium alloy metallic framework.
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| CN201210273502.2A CN103571059B (en) | 2012-08-02 | 2012-08-02 | A kind of PP composite material and its production and use |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788817A (en) * | 2015-04-03 | 2015-07-22 | 洛阳理工学院 | Modified polypropylene composite toughening material and preparation method thereof |
| CN106750922A (en) * | 2016-12-12 | 2017-05-31 | 广东威林工程塑料股份有限公司 | A kind of proof stress turns white, high elastic modified PP composite material and preparation method thereof |
| CN107434887A (en) * | 2016-05-26 | 2017-12-05 | 现代自动车株式会社 | The composition of polypropylene composite materials resin with high impact and high adhesion |
| CN107880389A (en) * | 2017-11-19 | 2018-04-06 | 王秋林 | PP, PE, EPDM blending formula |
| CN108570193A (en) * | 2017-03-10 | 2018-09-25 | 现代自动车株式会社 | Polypropylene resin composite and its shaped article |
| TWI658082B (en) * | 2017-07-18 | 2019-05-01 | 南亞塑膠工業股份有限公司 | Lightweight, high toughness and high rigidity polypropylene composition and preparation method thereof |
| CN112745586A (en) * | 2020-12-25 | 2021-05-04 | 泉州市创绿机械工贸有限公司 | High-strength polypropylene composite material pressure filter plate and preparation method thereof |
| CN113637190A (en) * | 2021-09-13 | 2021-11-12 | 山东鲁燕色母粒有限公司 | Modified polypropylene master batch and preparation method thereof |
| CN115572490A (en) * | 2022-02-21 | 2023-01-06 | 江苏永顺新材料科技有限公司 | Industrial plastic tray material and preparation method thereof |
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| CN104788817A (en) * | 2015-04-03 | 2015-07-22 | 洛阳理工学院 | Modified polypropylene composite toughening material and preparation method thereof |
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| CN107434887A (en) * | 2016-05-26 | 2017-12-05 | 现代自动车株式会社 | The composition of polypropylene composite materials resin with high impact and high adhesion |
| CN106750922A (en) * | 2016-12-12 | 2017-05-31 | 广东威林工程塑料股份有限公司 | A kind of proof stress turns white, high elastic modified PP composite material and preparation method thereof |
| CN108570193A (en) * | 2017-03-10 | 2018-09-25 | 现代自动车株式会社 | Polypropylene resin composite and its shaped article |
| TWI658082B (en) * | 2017-07-18 | 2019-05-01 | 南亞塑膠工業股份有限公司 | Lightweight, high toughness and high rigidity polypropylene composition and preparation method thereof |
| CN107880389A (en) * | 2017-11-19 | 2018-04-06 | 王秋林 | PP, PE, EPDM blending formula |
| CN112745586A (en) * | 2020-12-25 | 2021-05-04 | 泉州市创绿机械工贸有限公司 | High-strength polypropylene composite material pressure filter plate and preparation method thereof |
| CN113637190A (en) * | 2021-09-13 | 2021-11-12 | 山东鲁燕色母粒有限公司 | Modified polypropylene master batch and preparation method thereof |
| CN115572490A (en) * | 2022-02-21 | 2023-01-06 | 江苏永顺新材料科技有限公司 | Industrial plastic tray material and preparation method thereof |
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