CN102952336A - Active basic magnesium sulfate whisker modified polypropylene composite material and preparation method thereof - Google Patents

Active basic magnesium sulfate whisker modified polypropylene composite material and preparation method thereof Download PDF

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Publication number
CN102952336A
CN102952336A CN2012104581599A CN201210458159A CN102952336A CN 102952336 A CN102952336 A CN 102952336A CN 2012104581599 A CN2012104581599 A CN 2012104581599A CN 201210458159 A CN201210458159 A CN 201210458159A CN 102952336 A CN102952336 A CN 102952336A
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China
Prior art keywords
magnesium sulfate
crystal whisker
sulfate crystal
composite material
alkali magnesium
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CN2012104581599A
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CN102952336B (en
Inventor
闫溥
梁山峰
周素蓉
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Orinko Advanced Plastics Co Ltd
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HEFEI ORINKO PLASTICS GROUP CO Ltd
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    • 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
    • B29C48/92Measuring, controlling or regulating
    • 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
    • B29C2948/92895Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses an active basic magnesium sulfate whisker modified polypropylene composite material and a preparation method thereof. The composite material consists of polypropylene, basic magnesium sulfate whiskers, a flexibilizer, a processing agent, a coupling agent, acid dilution and a heat stabilizer. An engineering part made of the composite material disclosed by the invention is developed towards the lightweight; the composite material is beneficial to the reduction of the use quantity of the material and the reduction of the use cost of the material; and moreover, the product is green and environmental-friendly and is suitable to prepare automobile interior parts.

Description

A kind of active alkali magnesium sulfate crystal whisker modified polypropylene composite material and preparation method thereof
 
Technical field
The invention belongs to technical field of polymer composite materials, be specifically related to a kind of active alkali magnesium sulfate crystal whisker modified polypropylene composite material and preparation method thereof.
 
Technical background
Polypropylene is a kind of general plastics, but the inner and outer decorative parts at fabrication parts such as automobile, because its intensity, rigidity and resistance toheat can not satisfy the requirement of parts, polyacrylic impact property is poor simultaneously, particularly low-temperature impact is poor, and its molding shrinkage is large, these drawbacks limit application and the development of polypropylene in engineering part.So the material for preparing at present inner and outer decorative parts of automobile mainly is to make by adding conventional breeze filled modified polypropylene, its product has good, the easy machine-shaping of size, the advantage such as cheap.But along with the lightweight cry of automobile in recent years is more and more higher, over-all properties is high, low density modified plastics more and more comes into one's own.Wherein whisker is exactly a kind of good combination property, can replaces conventional breeze even fiber to satisfy the requirement of inner and outer decorative parts of automobile material.
Whisker refers to a kind of staple fibre of growing into high purity monocrystalline form under the manual control condition, its diameter very little (micron number magnitude), do not contain the defective (crystal boundary, dislocation, hole etc.) that exists in the common material, its atomic arrangement high-sequential, thereby its intensity is close to the theoretical value of perfect crystal.Its height-oriented structure not only makes it have high strength, high-modulus and high elongation rate, but also has electricity, light, magnetic, dielectric, conduction, superconduction character.The intensity of whisker mainly is used as the enhancing body of matrix material, for the manufacture of high strength composite far above other chopped strands.The kind of whisker is a lot, such as silicon carbide whisker, aluminium borate whisker, potassium titanate crystal whisker, calcium carbonate crystal whisker, alkali magnesium sulfate crystal whisker, ZnOw, calcium sulfate crystal whiskers and silicon-calcium-magnesium whisker etc.
Relatively comprehensive, the performance of alkali magnesium sulfate crystal whisker is best in all whiskers, be mainly manifested in the characteristics such as the intensity modulus is high, density is low, can be used as the strengthening and toughening agent of the matrix materials such as plastics, rubber and resin, improve flexural strength and the resistance to impact shock of body material.In addition, its coefficient of expansion and plastics are close, and are good with the consistency of plastics.Also have nontoxic, thermal value is little, the characteristic such as fire-retardant.After alkali magnesium sulfate crystal whisker and plastics, rubber are made matrix material, not only have good strengthening and toughening effect, and outward appearance is good, excellent rigidity, shock resistance is strong, and volumetric shrinkage is extremely low, dimensional precision is high, and the heat resistanceheat resistant performance is good, also can give the flame retardant properties of matrix material.
 
Summary of the invention
The present invention is directed to problems of the prior art, a kind of high strength, high-modulus, low density, low-shrinkage, machine-shaping property is good and comprehensive mechanical property is good active alkali magnesium sulfate crystal whisker modified polypropylene composite material are provided.Another object of the present invention provides the preparation method of above-mentioned active alkali magnesium sulfate crystal whisker modified polypropylene composite material.
In order to achieve the above object, the present invention realizes by following technical proposal:
A kind of active alkali magnesium sulfate crystal whisker modified polypropylene composite material, the weight part of its constitutive material is:
Polypropylene: 50-88 part;
Alkali magnesium sulfate crystal whisker: 10-40 part;
Toughner: 2-10 part;
Processing aid: 0.1-1 part;
Coupling agent: 0.3-0.5 part;
Acid dilution: 0.3-0.5;
Thermo-stabilizer: 0.1-1 part.
Described polypropylene is at least a in homopolymerization polypropylene, the Co-polypropylene, and its melting index is 10-25g/10min.
The length-to-diameter ratio of described alkali magnesium sulfate crystal whisker is that 10-30, particle diameter are 0.5-4um.
Described toughner is vinyl elastomerics or styrenic elastomerics, and the present invention preferentially selects polyethylene (PE), ethylene-octene polymkeric substance (POE), ethylene-propylene-butadiene terpolymer (EPDM).
Described processing aid is calcium stearate (Ca-St 2), at least a in the ethylene bis stearamide (EBS), modification ethylene bis stearamide (TAF).
Described coupling agent is a kind of for being selected among silicane KH550, KH560, the KH570, or a kind of among titanate ester NDZ-101, the NDZ-40.
Described sour dilution is at least a aqueous solution that forms with the water configuration in hydrochloric acid, sulfuric acid, the phosphoric acid, and the volume percent of described sour dilution is 0.5-2%.
Described thermo-stabilizer is selected from 2, three grades of butyl of 6--4-methylphenol, two (3, three grades of butyl of 5--4-hydroxy phenyl) thioether, four (β-(3, three grades of butyl of 5--4-hydroxy phenyl) propionic acid) at least a in three (2,4-di-tert-butyl-phenyl) phosphorous acid esters (168) of pentaerythritol ester (1010), phosphorous acid lipid, three monooctyl esters, three last of the ten Heavenly stems ester, three (Lauryl Alcohol) ester, three (16 carbon alcohol) ester, naphthylamines, pentanoic, the Ursol D.
Prepare the method for above-mentioned a kind of active alkali magnesium sulfate crystal whisker modified polypropylene composite material, may further comprise the steps:
(1) the active alkali magnesium sulfate crystal whisker pre-composition of preparation:
By weight part in the prescription alkali magnesium sulfate crystal whisker, coupling agent, processing aid are put into high mixer, by high pressure sprays fog equipment sour dilution evenly is sprayed onto in the mixture in the high mixer simultaneously, then carry out high-speed mixing, get active alkali magnesium sulfate crystal whisker pre-composition;
(2) composite manufacture:
After weight ratio mixes polypropylene, toughner and thermo-stabilizer in the prescription, in being the twin screw extruder of 35-50:1, length-to-diameter ratio carries out melting, mixing, dispersion, the active alkali magnesium sulfate crystal whisker pre-composition that again (1) is prepared adds from the side feeding of twin screw extruder, under 190-220 ℃ of temperature, plastify, by double-screw extruding pelletizing, just obtain active alkali formula magnesium sulfate crystal whisker modified polypropylene composite material again.
The preferred version of such scheme is, the temperature that described step (1) high speed is mixed is that 100-120 ℃, time are 5-10min.
The present invention compared with prior art has following some advantage:
1, alkali magnesium sulfate crystal whisker Reinforced Polypropylene of the present invention prepares in the polypropylene composite material because alkali magnesium sulfate crystal whisker has lower density, it develops to lightweight so be conducive to final engineering part, and be conducive to reduce the usage quantity of its material, reduce the use cost of material.
2, the alkali magnesium sulfate crystal whisker material of the present invention's use take preparing salt by working up seawater by product bittern as raw material, has the advantages such as wide material sources, environmental protection, and the energy-conserving and environment-protective that current national is advocated have very large meaning.
3, the alkali magnesium sulfate crystal whisker material that uses of the present invention, because of its have enhancings, fire-retardant, but the functions such as cigarette, filling are widely used in the modifying plastics material, make general-purpose plastics to the through engineering approaches future development, increase substantially use range and the degree of depth.
4, the alkali magnesium sulfate crystal whisker material that uses of the present invention, it is little to have a particle diameter, is easy to disperse in process of manufacture, less to the degree of wear of machine, effectively raises the work-ing life of twin-screw extrusion machine.
5, the present invention carries out surface activation process by silane coupling agent to alkali magnesium sulfate crystal whisker, strengthened the consistency of alkali magnesium sulfate crystal whisker and acrylic resin, compare with direct filling the such as existing breeze, fiber, be conducive to improve the Uniform Dispersion degree of alkali magnesium sulfate crystal whisker in matrix.
 
Embodiment:
The below provides embodiment so that the present invention is carried out concrete description; be necessary to be pointed out that at this following examples only are used for the present invention is further specified; can not be interpreted as limiting the scope of the invention, content still belongs to protection scope of the present invention to some nonessential improvement and the adjustment that the present invention makes to the person skilled in the art in this field according to the present invention.
All constitutive materials are existing commercially available prod in the embodiment of the invention, and all components are all in weight part, wherein:
Alkali magnesium sulfate crystal whisker be make take preparing salt by working up seawater by product bittern as raw material length-to-diameter ratio as 10-30, particle diameter as 0.5-4um.
Toughner is vinyl elastomerics or styrenic elastomerics, and the present invention preferentially selects polyethylene (PE), ethylene-octene polymkeric substance (POE), ethylene-propylene-butadiene terpolymer (EPDM).
Thermo-stabilizer is selected from least a in Hinered phenols, hindered amines, the phosphorous acid esters, wherein the Hinered phenols thermo-stabilizer has 2, three grades of butyl of 6--4-methylphenol, two (3, three grades of butyl of 5--4-hydroxy phenyl) thioether or four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol ester (1010) etc.; The phosphite type thermal stabilizing agent have three (2,4-di-tert-butyl-phenyl) phosphorous acid esters (168), three monooctyl esters, three the last of the ten Heavenly stems ester, three (Lauryl Alcohol) ester, three (16 carbon alcohol) ester; The hindered amines thermo-stabilizer has naphthylamines, pentanoic, Ursol D etc.
Coupling agent is silane coupling agent such as KH550, KH560, KH570, or a kind of among titante coupling agent NDZ-101, the NDZ-401.Preferred silane coupling agent KH550 of the present invention, KH560, KH570 model.
Processing aid is selected from least a in low molecular hydrocarbon, metal soap, stearic acid complex ester class and the amides processing aid.The present invention preferentially selects calcium stearate (Ca-St 2), ethylene bis stearamide (EBS), modification ethylene bis stearamide (TAF).
The acid dilution is at least a aqueous solution that forms with the water configuration in hydrochloric acid, sulfuric acid, the phosphoric acid, and the volume percent of described sour dilution is 0.5-2%.Selecting volume percent among the embodiment is 1% hydrochloric acid soln, 0.5% sulphuric acid soln, 1.5% phosphoric acid solution, or the mixture of 0.5% sulphuric acid soln and 0.5% hydrochloric acid soln.
In the present invention, following method is adopted in the preparation of active alkali magnesium sulfate crystal whisker modified polypropylene composite material:
The first step need prepare first active alkali magnesium sulfate crystal whisker pre-composition:
By weight part in the prescription alkali magnesium sulfate crystal whisker, coupling agent, processing aid are put into high mixer, by high pressure sprays fog equipment sour dilution evenly is sprayed onto in the mixture in the high mixer simultaneously, then carry out high-speed mixing 5-10min, temperature is 100-120 ℃, gets active alkali magnesium sulfate crystal whisker pre-composition;
Second step is composite manufacture:
After weight ratio mixes polypropylene, toughner and thermo-stabilizer in the prescription, in being the twin screw extruder of 35-50:1, length-to-diameter ratio carries out melting, mixing, dispersion, the active alkali magnesium sulfate crystal whisker pre-composition that again (1) is prepared adds from the side feeding of twin screw extruder, under 190-220 ℃ of temperature, plastify, by double-screw extruding pelletizing, just obtain active alkali formula magnesium sulfate crystal whisker modified polypropylene composite material again.
One, embodiment
Following specific embodiment 1-4 adopts above-mentioned preparation method to be prepared active alkali magnesium sulfate crystal whisker modified polypropylene composite material, and its raw material is also selected above-mentioned preferred kind.
Embodiment 1:
Co-polypropylene: 48 parts
Homo-polypropylene: 40 parts
Toughner POE:10 part
Processing aid TAF:0.7 part
Processing aid CaSt 2: 0.4 part
Silane coupling agent KH550: 0.3 part
Hydrochloric acid soln: 0.5 part
Thermo-stabilizer 1010:0.2 part
Thermo-stabilizer 168:0.2 part
Alkali magnesium sulfate crystal whisker: 10 parts
It is the 35:1 twin screw extruder that present embodiment adopts length-to-diameter ratio, polypropylene, toughner and thermo-stabilizer are carried out melting, mixing, dispersion in this forcing machine, active alkali magnesium sulfate crystal whisker pre-composition is added from its side feeding, plastifying also under 190-220 ℃ of temperature, extruding pelletization namely gets product again.
 
Embodiment 2:
Co-polypropylene: 42 parts
Homo-polypropylene: 28 parts
Toughner PE:8 part
Processing aid TAF:0.3 part
Processing aid EBS:0.4 part
Silane coupling agent KH560:0.4 part
Sulphuric acid soln: 0.4 part
Thermo-stabilizer 1010:0.3 part
Three grades of butyl of 2,6--4-methylphenol: 0.3 part
Alkali magnesium sulfate crystal whisker: 20 parts
It is the 40:1 twin screw extruder that present embodiment adopts length-to-diameter ratio, polypropylene, toughner and thermo-stabilizer are carried out melting, mixing, dispersion in this forcing machine, active alkali magnesium sulfate crystal whisker pre-composition is added from its side feeding, plastifying also under 190-220 ℃ of temperature, extruding pelletization namely gets product again.
 
Embodiment 3:
Co-polypropylene: 36 parts
Homo-polypropylene: 24 parts
Toughner POE:5 part
Processing aid TAF:0.1 part
Processing aid CaSt 2: 0.2 part
Silane coupling agent KH570:0.5 part
Phosphoric acid solution: 0.3 part
Two (three grades of butyl of 3,5--4-hydroxy phenyl) thioether: 0.5 part
Thermo-stabilizer 168:0.5 part
Alkali magnesium sulfate crystal whisker: 30 parts
It is the 50:1 twin screw extruder that present embodiment adopts length-to-diameter ratio, polypropylene, toughner and thermo-stabilizer are carried out melting, mixing, dispersion in this forcing machine, active alkali magnesium sulfate crystal whisker pre-composition is added from its side feeding, plastifying also under 190-220 ℃ of temperature, extruding pelletization namely gets product again.
 
Embodiment 4:
Co-polypropylene: 30 parts
Homo-polypropylene: 20 parts
Toughner EPDM:2 part
Processing aid EBS:0.1 part
Titante coupling agent NDZ-101:0.5 part
The mixing solutions of hydrochloric acid and sulfuric acid: 0.5 part
Three monooctyl esters: 0.1 part
Alkali magnesium sulfate crystal whisker: 40 parts
It is the 36:1 twin screw extruder that present embodiment adopts length-to-diameter ratio, polypropylene, toughner and thermo-stabilizer are carried out melting, mixing, dispersion in this forcing machine, active alkali magnesium sulfate crystal whisker pre-composition is added from its side feeding, plastifying also under 190-220 ℃ of temperature, extruding pelletization namely gets product again.
 
Two, comparative example
Because existing material for the preparation of inner and outer decorative parts of automobile mainly is to carry out filled modified polypropylene and make by adding conventional breeze such as calcium carbonate, talcum powder etc.In order to embody better advantage of the present invention, prepare contrast product according to prior art formula composition and preparation method thereof, its raw material forms to be prepared with reference to the component that provides among the present invention, and its preparation method is also with preparation method of the present invention, through mixing, granulation, be extruded into product.Concrete Comparative Examples is as follows:
Comparative Examples 1:
Co-polypropylene: 36 parts
Homo-polypropylene: 24 parts
Toughner POE:10 part
Processing aid TAF:0.3 part
Processing aid CaSt 2: 0.4 part
Thermo-stabilizer 1010:0.2 part
Thermo-stabilizer 168:0.2 part
The talcum powder extra large PT10:30 weight part that ends
It is the 36:1 twin screw extruder that present embodiment adopts length-to-diameter ratio, polypropylene, processing aid, toughner and thermo-stabilizer are carried out melting, mixing, dispersion in this forcing machine, the extra large PT10 that again talcum powder ended adds from its side feeding, and plastifying also under 190-220 ℃ of temperature, extruding pelletization namely gets product.
Comparative Examples 2:
Co-polypropylene: 36 weight parts
Homo-polypropylene: 24 weight parts
Toughner POE:10 weight part
Processing aid TAF:0.3 weight part
Processing aid CaSt 2: 0.4 weight part
Thermo-stabilizer 1010:0.2 weight part
Thermo-stabilizer 168:0.2 weight part
The big Xiang BX-1:30 weight part of calcium carbonate
It is the 36:1 twin screw extruder that present embodiment adopts length-to-diameter ratio, polypropylene, processing aid, toughner and thermo-stabilizer are carried out melting, mixing, dispersion in this forcing machine, the big Xiang BX-1 of calcium carbonate is added from its side feeding, plastifying also under 190-220 ℃ of temperature, extruding pelletization namely gets product again.
 
Three, simultaneous test test
The sample that makes among above-described embodiment 1-4 and the Comparative Examples 1-2 is injection molded into behind the standard batten to characterize according to GB according to unified technique tests, its concrete physical index is shown in following table 1,2:
Table 1: the main physical index of active alkali magnesium sulfate crystal whisker modified polypropylene composite material
Project Testing standard Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4
Alkali magnesium sulfate crystal whisker / 10 20 30 40
Melt flow rate (MFR) g/10min GB/T3682 13 18 19 21
Shrinking percentage % GB/T15585 1.4-1.6 1.2-1.4 1.1-1.3 0.5-0.7
Density g/cm 3 GB/T1033 0.96 1.01 1.05 1.17
Tensile strength MPa GB/T1040 24 24 24 25
Flexural strength MPa GB/T9341 33 34 36 38
Modulus in flexure MPa GB/T9341 1508 2090 2869 2998
Notch shock KJ/m 2 GB/T1843 9.1 12.5 15.2 10.3
Heat-drawn wire ℃ (0.45Mpa) GB/T16342 104 110 115 125
Data can be found out from table 1, and along with the alkali magnesium sulfate crystal whisker adding proportion increases, the flowability of matrix material, flexural strength, modulus in flexure and heat-drawn wire all increase, and the shock strength of embodiment 3 is maximum.
 
Table 2: embodiment 3 and Comparative Examples physical property contrast table
Project Testing standard Embodiment 3 Comparative Examples 1 Comparative Examples 2
Melt flow rate (MFR) g/10min GB/T3682 19 12 16
Shrinking percentage % GB/T15585 1.1-1.3 1.5-1.7 1.8-2.0
Density g/cm 3 GB/T1033 1.05 1.14 1.13
Tensile strength MPa GB/T1040 24 18 20
Flexural strength MPa GB/T9341 36 28 24
Modulus in flexure MPa GB/T9341 2869 2500 2200
Notch shock KJ/m 2 GB/T1843 15.2 8.2 10.3
Heat-drawn wire ℃ (0.45Mpa) GB/T16342 115 105 100
Data can be found out from table 2, alkali magnesium sulfate crystal whisker is compared with mineral fillers such as talcum powder, calcium carbonate in the modified polypropylene composite material, the shock strength of alkali magnesium sulfate reinforced polypropylene compound material is maximum, density is low, shrinking percentage is little, and tensile strength, flexural strength, heat-drawn wire and flowing property all are better than existing breeze filling strongthener, therefore, alkali magnesium sulfate crystal whisker has the value of actual development as a kind of novel strongthener.

Claims (10)

1. active alkali magnesium sulfate crystal whisker modified polypropylene composite material, it is characterized in that: the weight part of its constitutive material is:
Polypropylene: 50-88 part;
Alkali magnesium sulfate crystal whisker: 10-40 part;
Toughner: 2-10 part;
Processing aid: 0.1-1 part;
Coupling agent: 0.3-0.5 part;
Acid dilution: 0.3-0.5;
Thermo-stabilizer: 0.1-1 part.
2. a kind of active alkali magnesium sulfate crystal whisker modified polypropylene composite material according to claim 1 is characterized in that: described polypropylene is at least a in homopolymerization polypropylene, the Co-polypropylene, and its melting index is 10-25g/10min.
3. a kind of active alkali magnesium sulfate crystal whisker modified polypropylene composite material according to claim 1, it is characterized in that: the length-to-diameter ratio of described alkali magnesium sulfate crystal whisker is that 10-30, particle diameter are 0.5-4um.
4. a kind of active alkali magnesium sulfate crystal whisker modified polypropylene composite material according to claim 1, it is characterized in that: described toughner is vinyl elastomerics or styrenic elastomerics.
5. a kind of active alkali magnesium sulfate crystal whisker modified polypropylene composite material according to claim 1, it is characterized in that: described processing aid is calcium stearate (Ca-St 2), at least a in the ethylene bis stearamide (EBS), modification ethylene bis stearamide (TAF).
6. a kind of active alkali magnesium sulfate crystal whisker modified polypropylene composite material according to claim 1, it is characterized in that: described coupling agent is a kind of for being selected among silicane KH550, KH560, the KH570, or a kind of among titanate ester NDZ-101, the NDZ-40.
7. a kind of active alkali magnesium sulfate crystal whisker modified polypropylene composite material according to claim 1, it is characterized in that: described sour dilution is at least a aqueous solution that forms with the water configuration in hydrochloric acid, sulfuric acid, the phosphoric acid, and the volume percent of described sour dilution is 0.5-2%.
8. a kind of active alkali magnesium sulfate crystal whisker modified polypropylene composite material according to claim 1, it is characterized in that: described thermo-stabilizer is selected from 2, three grades of butyl of 6--4-methylphenol, two (3, three grades of butyl of 5--4-hydroxy phenyl) thioether, four (β-(3, three grades of butyl of 5--4-hydroxy phenyl) propionic acid) pentaerythritol ester (1010), three (2,4-di-tert-butyl-phenyl) phosphorous acid esters (168) of phosphorous acid lipid, three monooctyl esters, three the last of the ten Heavenly stems ester, three (Lauryl Alcohol) ester, three (16 carbon alcohol) ester, naphthylamines, pentanoic, at least a in the Ursol D.
9. one kind prepares as claimed in claim 1 a kind of method of active alkali magnesium sulfate crystal whisker modified polypropylene composite material, it is characterized in that: may further comprise the steps:
(1) the active alkali magnesium sulfate crystal whisker pre-composition of preparation:
By weight part in the prescription alkali magnesium sulfate crystal whisker, coupling agent, processing aid are put into high mixer, by high pressure sprays fog equipment sour dilution evenly is sprayed onto in the mixture in the high mixer simultaneously, then carry out high-speed mixing, get active alkali magnesium sulfate crystal whisker pre-composition;
(2) composite manufacture:
After weight ratio mixes polypropylene, toughner and thermo-stabilizer in the prescription, in being the twin screw extruder of 35-50:1, length-to-diameter ratio carries out melting, mixing, dispersion, the active alkali magnesium sulfate crystal whisker pre-composition that again (1) is prepared adds from the side feeding of twin screw extruder, under 190-220 ℃ of temperature, plastify, by double-screw extruding pelletizing, just obtain active alkali formula magnesium sulfate crystal whisker modified polypropylene composite material again.
10. method according to claim 9 is characterized in that: the temperature that described step (1) high speed is mixed is that 100-120 ℃, time are 5-10min.
CN201210458159.9A 2012-11-15 2012-11-15 Active basic magnesium sulfate whisker modified polypropylene composite material and preparation method thereof Active CN102952336B (en)

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CN103554688A (en) * 2013-11-05 2014-02-05 苏州万隆汽车零部件股份有限公司 High polymer material for automotive trim product
CN103554691A (en) * 2013-11-05 2014-02-05 苏州万隆汽车零部件股份有限公司 Automotive interior product
CN103554692A (en) * 2013-11-05 2014-02-05 苏州万隆汽车零部件股份有限公司 Preparation process of high polymer material for automotive trim product
CN103951863A (en) * 2014-04-23 2014-07-30 苏州羽帆新材料科技有限公司 Anti-aging and anti-tension plastic and preparation method thereof
CN104311996A (en) * 2014-09-30 2015-01-28 苏州润佳工程塑料股份有限公司 Modified polypropylene composite material with low shrinking percentage and preparation method thereof
CN105061902A (en) * 2015-08-28 2015-11-18 合肥会通新材料有限公司 Activated carbon fiber modified polypropylene composite material and preparation method thereof
CN105218951A (en) * 2015-09-22 2016-01-06 苏州润佳工程塑料股份有限公司 A kind of low-shrinkage modified polypropylene material
CN105623029A (en) * 2014-10-27 2016-06-01 中国石油化工股份有限公司 Composite reinforcing agent and PC/PBT alloy, and applications of composite reinforcing agent and PC/PBT alloy
CN105885230A (en) * 2016-06-06 2016-08-24 苏州锦腾电子科技有限公司 High-strength and abrasion resistance plastic material and preparing method thereof
CN106273350A (en) * 2015-06-11 2017-01-04 合肥杰事杰新材料股份有限公司 A kind of automobile high rigidity high-toughness polypropylene composite material and preparation method thereof
CN104558818B (en) * 2013-10-15 2017-07-11 中国石油化工股份有限公司 Polypropene composition of dimensionally stable and preparation method thereof
CN107652534A (en) * 2016-07-26 2018-02-02 中国石化扬子石油化工有限公司 A kind of PP composite material and preparation method thereof
CN108219277A (en) * 2018-01-18 2018-06-29 金发科技股份有限公司 A kind of fascia interior trim PP composite material and preparation method thereof
CN108276608A (en) * 2018-02-28 2018-07-13 湘潭大学 A kind of method of modifying of alkali magnesium sulfate crystal whisker
CN108329580A (en) * 2017-01-20 2018-07-27 合肥杰事杰新材料股份有限公司 A kind of antibacterial polypropylene material and preparation method thereof
CN110591220A (en) * 2019-03-30 2019-12-20 河北汇锐管业有限公司 High-modulus modified polypropylene krah pipe and production method thereof
CN110655719A (en) * 2018-06-29 2020-01-07 合肥杰事杰新材料股份有限公司 High-rigidity high-toughness low-density polypropylene composition and preparation method thereof
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CN114524993A (en) * 2022-01-27 2022-05-24 上海金发科技发展有限公司 Impact-resistant conductive polypropylene composite material and preparation method and application thereof
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CN115850857A (en) * 2022-12-16 2023-03-28 广东圆融新材料有限公司 Whisker reinforced polypropylene composite material and preparation method thereof
US12168726B2 (en) 2018-11-30 2024-12-17 Si Group, Inc. Antioxidant compositions
CN119161662A (en) * 2024-06-06 2024-12-20 江苏乾涌控股有限公司 A high-toughness and high-rigidity polypropylene composite material and preparation method thereof

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CN104558818B (en) * 2013-10-15 2017-07-11 中国石油化工股份有限公司 Polypropene composition of dimensionally stable and preparation method thereof
CN103554691A (en) * 2013-11-05 2014-02-05 苏州万隆汽车零部件股份有限公司 Automotive interior product
CN103554692A (en) * 2013-11-05 2014-02-05 苏州万隆汽车零部件股份有限公司 Preparation process of high polymer material for automotive trim product
CN103554692B (en) * 2013-11-05 2015-06-24 苏州万隆汽车零部件股份有限公司 Preparation process of high polymer material for automotive trim product
CN103554688B (en) * 2013-11-05 2015-07-15 苏州万隆汽车零部件股份有限公司 High polymer material for automotive trim product
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CN105623029A (en) * 2014-10-27 2016-06-01 中国石油化工股份有限公司 Composite reinforcing agent and PC/PBT alloy, and applications of composite reinforcing agent and PC/PBT alloy
CN106273350B (en) * 2015-06-11 2019-01-29 合肥杰事杰新材料股份有限公司 A kind of automobile high rigidity high-toughness polypropylene composite material and preparation method thereof
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CN105218951A (en) * 2015-09-22 2016-01-06 苏州润佳工程塑料股份有限公司 A kind of low-shrinkage modified polypropylene material
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CN105885230A (en) * 2016-06-06 2016-08-24 苏州锦腾电子科技有限公司 High-strength and abrasion resistance plastic material and preparing method thereof
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CN108276608A (en) * 2018-02-28 2018-07-13 湘潭大学 A kind of method of modifying of alkali magnesium sulfate crystal whisker
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