CN106496765A - A kind of lightweight high specific strength modified polypropylene material and preparation method thereof - Google Patents
A kind of lightweight high specific strength modified polypropylene material and preparation method thereof Download PDFInfo
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- CN106496765A CN106496765A CN201610978340.0A CN201610978340A CN106496765A CN 106496765 A CN106496765 A CN 106496765A CN 201610978340 A CN201610978340 A CN 201610978340A CN 106496765 A CN106496765 A CN 106496765A
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- specific strength
- high specific
- modified polypropylene
- lightweight high
- strength modified
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- 239000000463 material Substances 0.000 title claims abstract description 89
- -1 polypropylene Polymers 0.000 title claims abstract description 57
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 56
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000003365 glass fiber Substances 0.000 claims abstract description 14
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 12
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 11
- 239000007822 coupling agent Substances 0.000 claims abstract description 7
- 239000000314 lubricant Substances 0.000 claims abstract description 6
- 239000012745 toughening agent Substances 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims abstract description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 230000004048 modification Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 5
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229920000578 graft copolymer Polymers 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 150000002989 phenols Chemical class 0.000 claims description 3
- 150000008301 phosphite esters Chemical class 0.000 claims description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 3
- 239000000344 soap Substances 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 2
- 239000012190 activator Substances 0.000 claims description 2
- 239000011324 bead Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000007667 floating Methods 0.000 claims description 2
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 claims description 2
- 239000004005 microsphere Substances 0.000 claims description 2
- 229910000077 silane Inorganic materials 0.000 claims description 2
- 239000006087 Silane Coupling Agent Substances 0.000 claims 1
- 239000010954 inorganic particle Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 8
- 229920003023 plastic Polymers 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 239000012779 reinforcing material Substances 0.000 abstract 1
- 238000001994 activation Methods 0.000 description 4
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000012764 mineral filler Substances 0.000 description 2
- 241000233805 Phoenix Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 125000002837 carbocyclic group Chemical group 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
-
- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a kind of lightweight high specific strength modified polypropylene material and preparation method thereof, is mixed with by following components, proportioning and is formed, feed components by weight/mass percentage composition proportioning are：Polypropylene 48%～75%, toughener 10%～25%, light powder filler 4%～20%, chopped glass fiber 6%～15%, compatilizer 2%～10%, lubricant 1%～3%, coupling agent 0.5%～3%, antioxidant 0.4%～1%.The present invention is from Hollow Inorganic powder stuffing as packing material, chopped glass fiber is used as reinforcing material, make full use of the synergy of the two, and by rational modified technique and preparation method, the integrality of Hollow Inorganic powder particle structure is ensure that while Hollow Inorganic powder is improved with interlaminar resin binding strength, makes final material have the excellent properties of low-density and high intensity concurrently.The lightweight high specific strength modified polypropylene material of the present invention can meet the manufacture such as automobile, household electrical appliances, track traffic, Aero-Space, steamer, submarine field and modern sponge urban construction field overwhelming majority plastics performance requirement, promote above-mentioned field energy-saving and emission-reduction and low-carbon environment-friendly development.
Description
Technical field
The invention belongs to technical field of polymer materials, and in particular to one kind is modified system with polypropylene as primary raw material
Standby lightweight high specific strength material technology, the lightweight high specific strength modified polypropylene material of preparation can be handed in automobile, household electrical appliances, track
Extensively apply in the manufacture fields such as logical, Aero-Space, steamer, submarine and modern sponge urban construction field.
Background technology
Polypropylene is one of kind with the fastest developing speed in Plastics Industry, and it has good mechanical property, light specific gravity, nothing
The advantages of malicious, corrosion-resistant, easy processing, and raw material be easy to get, cheap, thus obtain in fields such as household electrical appliances, automobile and packagings
To being widely applied.But polypropylene material has shrinkage factor big, and product size stability is poor, buckling deformation is easily produced；Low
Warm easy fracture, low-temperature flexibility are poor；Fast light, the shortcomings of heat aging property is poor, it is necessary to polypropylene material is modified.Modified poly-
Propylene common method has the chemic modified method such as the physical modified methods such as filling, enhancing, blending and copolymerization, crosslinking, grafting, wherein thing
The modified method application of reason is the most universal.At present, such as talcum powder, mica, calcium carbonate, carbon black, silicon ash can be typically used in industrial production
The inorganic minerals such as stone, glass fibre strengthen component, the impact flexibility for improving polypropylene material by blending and modifying as filling
And lower temperature resistance, the rigid of polypropylene material, heat resistance and dimensional stability is improved, will to meet the use of final plastic products
Ask.But as the density of these inorganic mineral fillers is often big than polyacrylic density, after adding in polypropylene, understand phase
To increasing the proportion of final products.A large number of experiments show that, when in polypropylene, inorganic mineral filler loading is increased to by 0
During 40wt.%, density of material can be by the 0.89g/cm of virgin pp3～0.92g/cm3Rapidly increase to 1.20g/cm3~
1.24g/cm3.
Now, plastics and steel, timber, cement have together constituted with four big basic materials of modern industry, and with material
The continuous improvement that the development of material technology and energy-conservation, low-carbon environment-friendly are required, its application have much surmounted other three great tradition
Industry.To mould Dai Gang, to mould Dai Mu, to become automobile, household electrical appliances, track traffic, Aero-Space, steamer, submarine etc. already light-weighted
Important channel.However, the report and patent for modifying plastics and machine-shaping is seen everywhere, for the light-weighted research of plastics
With patent but phoenix feathers and unicorn horns.Although 104629174 A of patent CN discloses a kind of lightweight polypropylene material, patent CN
104774377 A disclose a kind of light-weight environment-friendly polypropylene composite, but conscientiously investigate its composition of filling a prescription it is found that these institutes
The component of lighting can not really be played in the lightweight polypropylene material of meaning, and does not mention final polypropylene in specification
Advantage of the material with conventional market material in terms of density.Even if on the other hand having minority external product meet requirement, but valency
Lattice are sufficiently expensive, cause final products cost performance relatively low, and the heavy industrialization for strictly limiting the material is implemented and applied.
Content of the invention
The purpose of the present invention is aiming at that existing modified polypropylene material density is big, cost performance is low, it is industrially real to be difficult to
The defect that applies, and provide a kind of cost performance high, can the lightweight high specific strength modified polypropylene material implemented of heavy industrialization.
The present invention also aims to providing a kind of preparation method of lightweight high specific strength modified polypropylene material.
For realizing that the above-mentioned purpose of the present invention, a kind of lightweight high specific strength modified polypropylene material of the invention adopt following skill
Art scheme：
A kind of lightweight high specific strength modified polypropylene material of the present invention is to be mixed with to form by following components, proportioning, former
It is as follows that material each component presses weight/mass percentage composition proportioning：
A kind of lightweight high specific strength modified polypropylene material of the present invention, it is preferred that feed components press weight/mass percentage composition proportioning
For：
A kind of lightweight high specific strength modified polypropylene material of the present invention, feed components enter one by weight/mass percentage composition proportioning
Step is preferably：
Described polypropylene is the mixture of HOPP, COPP or both, and its melt flow rate (MFR) is
10g/10min～100g/10min.
Described toughener is ethylene propylene diene rubber, a kind of or both the mixture in polyolefin elastomer.
Described light powder filler be particle diameter distribution between 2 μm～200 μm, real density be less than 0.65g/cm3, anti-
One kind in the Hollow Inorganic powder stuffing of air pressure level 10MPa, preferably floating bead, hollow glass micropearl, hollow ceramic microspheres
Or two kinds and above mixture.
Described chopped glass fiber be length in 3.0mm～6.0mm, fibre diameter in the special nothing of 10 μm～13 μm of polypropylene
Alkali chopped glass fiber.
Described compatilizer is maleic anhydride grafted polymer of the maleic anhydride grafting ratio between 0.60%～0.95%,
It is preferred that one kind in maleic anhydride inoculated polypropylene, maleic anhydride grafted polyethylene, maleic anhydride stem grafting polyolefin elastomer or
Two kinds and above mixture.
Described lubricant is hydro carbons, fitter acids and its ester class, one or two and above mixing in metal soap
Thing.
Described coupling agent is silane coupler containing amino.
Described antioxidant is the mixture of Hinered phenols antioxidant and phosphite ester kind antioxidant.
A kind of preparation method of lightweight high specific strength modified polypropylene material of the present invention adopts following processing step：
(1) polypropylene of formula ratio, toughener, compatilizer, lubricant and antioxidant are mixed in high-speed mixer, high
Fast mixer rotating speed is controlled in 500rpm～1500rpm, final material temperature control at 70 DEG C～80 DEG C, after material is well mixed
Discharging is standby；
(2) light powder filler activator will be carried out in the light powder filler of formula ratio, coupling agent addition high-speed mixer
Modification, high-speed mixer rotating speed are controlled in 500rpm～1000rpm, and final material temperature control is at 85 DEG C～95 DEG C；
(3) material prepared by step (2) is well mixed under room temperature in high-speed mixer with chopped glass fiber, mixed at high speed
Machine rotating speed is controlled in 300rpm～500rpm；
(4) material for being prepared by step (1) and step (2) and chopped glass fiber, or prepared by step (1) and step (3)
Material sends into melting in double screw extruder, mixing, granulation from main spout and side spout respectively；During extrusion processing, machine barrel
Temperature control is at 180 DEG C～240 DEG C.
By the enforcement of above technical scheme, compared with prior art, a kind of lightweight high specific strength of the invention modified poly- third
Alkene material and preparation method thereof has：
1. surface activation process is carried out to light powder filler beforehand through coupling agent, effectively improving inorganic filler is having
Dispersiveness and its binding strength between organic resin in machine resin, and Hollow Inorganic ensure that by side spout introducing
The structural intergrity of powder stuffing, reaches the purpose of material lighting.
2. using rigidity light powder stuffing as palliative, can while the mechanical property of materials is improved precise control
Density of material, effectively prevents glass from leaking outside, and raw materials wide material sources, and homemade goodses can meet requirement, gained material
Material cost performance is high.
3. the present invention makes full use of the synergy of light powder filler and chopped glass fiber, low-density same material is reduced
When effectively increase the mechanical strength of material.
4. density of material of the present invention is low, intensity is high, can meet automobile, household electrical appliances, track traffic, Aero-Space, steamer, submarine
Require in manufacture field and modern sponge urban construction field overwhelming majority plastics performance, promote above-mentioned field energy-saving and emission-reduction and low
Carbocyclic ring protects development, and preparation process is simple, can heavy industrialization enforcement.
Specific embodiment
For preferably describing the present invention, with reference to embodiment, to the present invention for kind of lightweight high specific strength modified poly- third
Alkene material and preparation method thereof is described in further details.But the invention is not limited in embodiment.Involved hundred in embodiment
Divide ratio by weight percentage.
Embodiment 1：
A kind of lightweight high specific strength modified polypropylene material, its formula are as follows：
Its preparation method is comprised the following steps：
A. by the M2600R of formula ratio, EPDM3745P, maleic anhydride inoculated polypropylene, Tissuemat E and antioxidant 1010
Mix in high-speed mixer, high-speed mixer rotating speed is controlled in 500rpm～1500rpm, and final material temperature control is at 70 DEG C
～80 DEG C, it is standby that material is well mixed rear discharging；
B. adding GS60, KH-550 of formula ratio in high-speed mixer carries out activation modification, high-speed mixer rotating speed control
, in 500rpm～1000rpm, final material temperature control is at 85 DEG C～95 DEG C for system；
C. material prepared by step b is well mixed under room temperature in high-speed mixer with T438, high-speed mixer rotating speed
Control is in 300rpm～500rpm；
D. by step a and the material and T438 of the preparation of step b, or material prepared by step a and step c is fed from main respectively
Material mouth and side spout send into melting in double screw extruder, mixing, granulation, and during extrusion processing, extruder barrel temperature control is at 180 DEG C
～240 DEG C.
Embodiment 2：
A kind of lightweight high specific strength modified polypropylene material, its formula are as follows：
Its preparation method is comprised the following steps：
A. by the Y3000 of formula ratio, POE5371, maleic anhydride inoculated polypropylene, Tissuemat E and antioxidant 1010 in height
Mix in fast mixer, in 500rpm～1500rpm, final material temperature control is 70 DEG C～80 for the control of high-speed mixer rotating speed
DEG C, it is standby that material is well mixed rear discharging；
B. adding GS60, KH-550 of formula ratio in high-speed mixer carries out activation modification, high-speed mixer rotating speed control
, in 500rpm～1000rpm, final material temperature control is at 85 DEG C～95 DEG C for system；
C. material prepared by step b is well mixed under room temperature in high-speed mixer with S508A, high-speed mixer rotating speed
Control is in 300rpm～500rpm；
D. the material for being prepared by step a and step b and S508A, or material prepared by step a and step c is respectively from master
Spout and side spout send into melting in double screw extruder, mixing, granulation, and during extrusion processing, extruder barrel temperature control is 180
DEG C～240 DEG C.
Embodiment 3：
A kind of lightweight high specific strength modified polypropylene material, its formula are as follows：
Its preparation method is comprised the following steps：
A. by the K9920 of formula ratio, K2420, POE5371, maleic anhydride inoculated polypropylene, Tissuemat E and antioxidant
1010 mix in high-speed mixer, and high-speed mixer rotating speed is controlled in 500rpm～1500rpm, and final material temperature control exists
70 DEG C～80 DEG C, it is standby that material is well mixed rear discharging；
B. adding GS60, KH-550 of formula ratio in high-speed mixer carries out activation modification, high-speed mixer rotating speed control
, in 500rpm～1000rpm, final material temperature control is at 85 DEG C～95 DEG C for system；
C. material prepared by step b is well mixed under room temperature in high-speed mixer with S508A, high-speed mixer rotating speed
Control is in 300rpm～500rpm；
D. the material for being prepared by step a and step b and S508A, or material prepared by step a and step c is respectively from master
Spout and side spout send into melting in double screw extruder, mixing, granulation, and during extrusion processing, extruder barrel temperature control is 180
DEG C～240 DEG C.
The physical parameter such as table 1 of the lightweight high specific strength modified polypropylene material obtained by 1～embodiment of above example 3
Shown：
The physical parameter of lightweight high specific strength modified polypropylene material obtained in 1 embodiment 1～3 of table
As it can be seen from table 1 gained lightweight high specific strength modified polypropylene material of the present invention has relatively low density and excellent
Different mechanical performance, has substantive features and significant progress compared with prior art.Gained lightweight high specific strength of the present invention changes
Property polypropylene material be suitable for the manufacture such as automobile, household electrical appliances, track traffic, Aero-Space, steamer, submarine field and modern sponge city
City's construction field overwhelming majority plastics performance is required.
Above example only for purposes of discussion of the present invention, can not be limited the scope of the invention with this, be familiar with the neck
The technical staff in domain can also make various conversion or modification according to the Spirit Essence of the present invention, therefore all equal technical sides
Case also should all be included within the scope of the present invention.
Claims (10)
1. a kind of lightweight high specific strength modified polypropylene material, it is characterised in that be to be mixed with to form by following components, proportioning,
Feed components by weight/mass percentage composition proportioning are：
2. a kind of lightweight high specific strength modified polypropylene material as claimed in claim 1, it is characterised in that the quality of each component
Percentage composition proportioning is：
3. a kind of lightweight high specific strength modified polypropylene material as claimed in claim 1, it is characterised in that the quality of each component
Percentage composition proportioning is：
4. a kind of lightweight high specific strength modified polypropylene material as described in claim 1,2 or 3, it is characterised in that：Described
Polypropylene is the mixture of HOPP, COPP or both, and its melt flow rate (MFR) is 10g/10min～100g/
10min.
5. a kind of lightweight high specific strength modified polypropylene material as claimed in claim 4, it is characterised in that：Described toughener
A kind of or both mixture in for ethylene propylene diene rubber, polyolefin elastomer.
6. a kind of lightweight high specific strength modified polypropylene material as claimed in claim 5, it is characterised in that：Described light powder
Body filler be particle diameter distribution between 2 μm～200 μm, real density be less than 0.65g/cm3, anti-air pressure level 10MPa sky
Heart inorganic particle filler；Described chopped glass fiber be length 3.0mm～6.0mm, fibre diameter 10 μm～13 μm poly- third
The special alkali-free chopped glass fiber of alkene.
7. a kind of lightweight high specific strength modified polypropylene material as claimed in claim 6, it is characterised in that：Described compatilizer
The maleic anhydride grafted polymer for being maleic anhydride grafting ratio between 0.60%～0.95%.
8. a kind of lightweight high specific strength modified polypropylene material described in claim 7, it is characterised in that：Described lubricant is
One or two and above mixture in hydro carbons, fitter acids and its ester class, metal soap；Described coupling agent is containing amino
One type of silane coupling agent；Described antioxidant is the mixture of Hinered phenols antioxidant and phosphite ester kind antioxidant.
9. a kind of lightweight high specific strength modified polypropylene material as claimed in claim 8, it is characterised in that：Described hollow nothing
Machine powder stuffing is floating bead, hollow glass micropearl, one or two and above mixture in hollow ceramic microspheres；Described
Compatilizer is maleic anhydride inoculated polypropylene, maleic anhydride grafted polyethylene, in maleic anhydride stem grafting polyolefin elastomer one
Plant or two kinds and above mixture.
10. the preparation method of a kind of lightweight high specific strength modified polypropylene material as described in claim 1,2 or 3, its feature
It is using following processing step：
(1) polypropylene of formula ratio, toughener, compatilizer, lubricant and antioxidant are mixed in high-speed mixer, mixed at a high speed
Conjunction machine rotating speed is controlled in 500rpm～1500rpm, and at 70 DEG C～80 DEG C, material is well mixed rear discharging to final material temperature control
Standby；
(2) adding the light powder filler of formula ratio, coupling agent carries out the modification of light powder filler activator in high-speed mixer,
High-speed mixer rotating speed is controlled in 500rpm～1000rpm, and final material temperature control is at 85 DEG C～95 DEG C；
(3) material prepared by step (2) is well mixed under room temperature in high-speed mixer with chopped glass fiber, high-speed mixer turns
Speed control is in 300rpm～500rpm；
(4) material for being prepared by step (1) and step (2) and chopped glass fiber, or material prepared by step (1) and step (3)
Melting in double screw extruder, mixing, granulation are sent into respectively from main spout and side spout；During extrusion processing, barrel zone temperature
Control is at 180 DEG C～240 DEG C；
Described polypropylene is the mixture of HOPP, COPP or both, and melt flow rate (MFR) is 10g/10min
～100g/10min；Described toughener is ethylene propylene diene rubber, a kind of or both the mixture in polyolefin elastomer；Institute
The light powder filler that states is particle diameter distribution between 2 μm～200 μm, real density≤0.65g/cm3, anti-air pressure level
The Hollow Inorganic powder stuffing of 10MPa；Described chopped glass fiber be length in 3.0mm～6.0mm, fibre diameter 10 μm～13
μm the special alkali-free chopped glass fiber of polypropylene；Described compatilizer is maleic anhydride grafting ratio between 0.60%～0.95%
Maleic anhydride grafted polymer；Described lubricant is hydro carbons, fitter acids and its ester class, in metal soap one or two and
Above mixture；Described coupling agent is silane coupler containing amino；Described antioxidant be Hinered phenols antioxidant with
The mixture of phosphite ester kind antioxidant.
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| CN108331295A (en) * | 2018-03-24 | 2018-07-27 | 河南三公利华体育科技有限公司 | A kind of special floors PP of basketball and its production method |
| CN110878159A (en) * | 2019-11-14 | 2020-03-13 | 中广核俊尔（上海）新材料有限公司 | Low-density polypropylene composite material and preparation method thereof |
| CN112708201A (en) * | 2021-01-11 | 2021-04-27 | 郑州圣莱特空心微珠新材料有限公司 | Preparation method of door panel material and automobile door panel |
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| CN108331295A (en) * | 2018-03-24 | 2018-07-27 | 河南三公利华体育科技有限公司 | A kind of special floors PP of basketball and its production method |
| CN110878159A (en) * | 2019-11-14 | 2020-03-13 | 中广核俊尔（上海）新材料有限公司 | Low-density polypropylene composite material and preparation method thereof |
| CN112708201A (en) * | 2021-01-11 | 2021-04-27 | 郑州圣莱特空心微珠新材料有限公司 | Preparation method of door panel material and automobile door panel |
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