CN105440549B - A kind of scratch-resistant, ultra-tough automotive trim polypropylene material and preparation method thereof - Google Patents
A kind of scratch-resistant, ultra-tough automotive trim polypropylene material and preparation method thereof Download PDFInfo
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- CN105440549B CN105440549B CN201510929042.8A CN201510929042A CN105440549B CN 105440549 B CN105440549 B CN 105440549B CN 201510929042 A CN201510929042 A CN 201510929042A CN 105440549 B CN105440549 B CN 105440549B
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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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
- 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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- 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
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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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Abstract
The invention discloses a kind of scratch-resistant, ultra-tough automotive trim polypropylene material, including following components and its parts by weight：100 parts of polypropylene, 10 80 parts of polybutene, 10 80 parts of ethylene octene block copolymer, 1 15 parts of cyclenes hydrocarbon type copolymer, 0 50 parts of inorganic filler, 25 parts of lubricant, 0.2 0.6 parts of antioxidant.The invention also discloses the preparation method of the polypropylene material, mainly includes the preparation technologies such as mixed at high speed and melting extrusion.Compared with prior art, advantage of the invention is that：The wearability of the polypropylene material manufactured using inventive formulation is more stronger than traditional handicraft, and the scratch resistance of material increases, also, on the premise of manufacturing cost is suitable, its combination property can lift more than 20 percent.
Description
Technical field
The present invention relates to polymer modification field, more particularly to a kind of scratch-resistant, ultra-tough automotive trim polypropylene
Material and preparation method thereof.
Background technology
Modified polypropene alias modified epoxy (Modified Propylene Polymer) is by polypropylene and a variety of
Organic and inorganic material, formed through special complex technique is refined, it is widely used in each row such as chemical industry, material, building
Industry, it is closely bound up with daily life.
At present in modified polypropene industry, how to increase the toughness of modified polypropylene material is that a very big technology is difficult
Topic.The toughened polypropylene composite of main flow is ethylene-octene random copolymer, ethylene-octene random copolymer toughening effect
It is good, it is cost-effective, therefore it is widely used in polypropylene modification industry, especially in automobile polypropylene modification material.But second
The fusing point of alkene-octene random copolymer is relatively low, requires high to manufacturing process, though and the PP composite material that is prepared with this
Right toughness is fine, but its combination property is relatively low.Taken so finding a kind of toughness of new paragon increase PP composite material
For ethylene-octene random copolymer toughness reinforcing, to improve the technical problem that PP composite material combination property is urgent need to resolve.
Meanwhile it will also be appreciated that the scraping and wiping resistance performance of automotive trim polypropylene material is not very strong at present, so increasing
The scratch resistance of addition polymerization acrylic composite is also highly important.
By related data inquiry and experimental studies have found that cyclenes hydrocarbon type copolymer have good scratch resistance, high intensity,
High-modulus.Cyclenes hydrocarbon type copolymer is that double-heptene (ENB) monomer and vinyl monomer issue in metalloscene catalyst effect
Raw combined polymerization is obtained, and COC materials are called in general industry.Have the property that：(1) density is small, about lower than PMMA and PC
10%, be advantageous to product lightweight；(2) saturated water absorption is small, and COC water absorption rates are far below PMMA, will not produce because water suction causes
The influence that physical property declines；(3) due to containing the small monomer of polarized and anisotropy, thus (light transmittance can for armorphous transparent material
Up to more than 91%), birefringence is small；(4) belong to high-fire resistance transparent resin glass temperature and reach 140-170 DEG C, glass transition temperature
It is Heat-tolerant index (5) the easily injection moulding of amorphous polymer；(6) good mechanical performance, tensile strength, modular ratio
PC is high；(7) excellent replicability, therefore quality of item is high；(8) dielectric constant is low, and particularly high frequency performance is good, is thermoplastic
The best material of intermediary's electrical property；(9) marresistance is good, and COC pencil hardness is close with PMMA, and marresistance is optical material
An important performance indexes；(10) COC molecular side chains polarized group, with it is inorganic, organic material cementability is good, be easy to close
Envelope.COC material main applications are as follows：Optical lens, optics broadcaster, polygon mirror, angle template diaphragm, DVD disks base material,
Light guide tabula rasa, optical semiconductor before giant display, backlight guide plate, miniscope.
The content of the invention
The purpose of the present invention, exactly provide a kind of scratch-resistant to solve the above problems, ultra-tough automotive trim gathers
Propylene material, compared with traditional technology, the wearability of its material enhances the automotive trim polypropylene material, the scratch resistance of material
Wiping property improves, also, on the premise of manufacturing cost is suitable, its combination property can lift more than 20 percent.
Another object of the present invention, which also resides in, provides a kind of scratch-resistant, the system of ultra-tough automotive trim polypropylene material
Preparation Method.
To achieve the above object, technical scheme is implemented as follows：
A kind of scratch-resistant of the present invention, ultra-tough automotive trim polypropylene material, including following components and its parts by weight：It is poly-
100 parts of propylene, polybutene 10-80 parts, ethylene-octene block copolymer 10-80 parts, cyclenes hydrocarbon type copolymer 1-15 parts are inorganic
Filler 0-50 parts, lubricant 2-5 parts, antioxidant 0.2-0.6 parts.
A kind of above-mentioned scratch-resistant, ultra-tough automotive trim polypropylene material, wherein, the polypropylene is block copolymer
Polypropylene, under 230 DEG C, 2.16kg test condition, its melt index is 10-110g/10min.
A kind of above-mentioned scratch-resistant, ultra-tough automotive trim polypropylene material, it is characterised in that the cyclenes hydrocarbon copolymer
Thing is to be copolymerized to be prepared under metalloscene catalyst effect by double-heptene monomer and vinyl monomer.
A kind of above-mentioned scratch-resistant, ultra-tough automotive trim polypropylene material, wherein, the parts by weight of the polybutene are preferred
For 25-55 parts, the parts by weight of the ethylene-octene block copolymer are preferably 25-55 parts, the parts by weight of cyclenes hydrocarbon type copolymer
Preferably 3-8 parts.
A kind of above-mentioned scratch-resistant, ultra-tough automotive trim polypropylene material, wherein, the inorganic filler is selected from carbonic acid
At least one of calcium, barium sulfate, glass microballoon and talcum powder.
A kind of above-mentioned scratch-resistant, ultra-tough automotive trim polypropylene material, wherein, the lubricant is by white oil and tristearin
Hydrochlorate mixes, and the stearate is calcium stearate, zinc stearate or magnesium stearate.
A kind of above-mentioned scratch-resistant, ultra-tough automotive trim polypropylene material, wherein, the antioxidant is resisted by Hinered phenols
Oxygen agent and phosphite ester kind antioxidant mix.
Present invention also offers a kind of scratch-resistant, the preparation method of ultra-tough automotive trim polypropylene material, preparation method
The step of it is as follows：100 parts of polypropylene, polybutene 10-80 parts, ethylene-octene block copolymer 10-80 parts, cyclenes hydrocarbon copolymer
Thing 1-15 parts, inorganic filler 0-50 parts, lubricant 2-5 parts, antioxidant 0.2-0.6 parts.
Step 2：By polypropylene, polybutene, ethylene-octene block copolymer, cyclenes hydrocarbon type copolymer, lubricant, antioxygen
Agent is added in high-speed mixer, and mixing velocity is 200-300 revs/min, and incorporation time is 3-5 minutes；
Step 3：Inorganic filler is added in high-speed mixer, mixing velocity is 200-300 revs/min, and incorporation time is
3-5 minutes；
Step 4：The raw material of mixing is placed in double screw extruder through melting extrusion, granulation, drying, cooling, dress bag, institute
State double screw extruder and ten regions are divided into from feeding section to head, the temperature from first area to the tenth region is followed successively by
170-180℃、200-220℃、200-220℃、210-220℃、210-220℃、205-225℃、205-225℃、205-225
℃、200-215℃、200-215℃。
A kind of above-mentioned scratch-resistant, the preparation method of ultra-tough automotive trim polypropylene material, wherein, in the step 4
The screw diameter of double screw extruder is 42-75mm, and draw ratio is in 40-60.
Beneficial effects of the present invention are as follows：
(1) by using polybutene tenacity-increased profax, the impact flexibility and elongation at break of PP composite material are improved
And improve polyacrylic wearability using the good anti-wear performance of polybutene；
(2) traditional ethylene-octene random copolymer tenacity-increased profax is substituted using ethylene-octene block copolymer, most
The PP composite material combination property of the obtained block copolymer containing ethylene-octene is than the random copolymer containing ethylene-octene eventually
PP composite material is high by about more than 20%, and both prices are suitable；
(3) the cyclenes hydrocarbon type copolymer compatibility good with polypropylene and itself good scratch resistance, high-strength are utilized
Degree, high-modulus further improve the combination property of PP composite material.The polypropylene composite materials of final obtained excellent combination property
Material.
Embodiment
Below in conjunction with embodiment, the invention will be further described, provides 3 comparative examples and 6 embodiments altogether.
The specifying information of involved raw material is as follows in comparative example and embodiment：
Polypropylene：Model：BX3920 (melt index 110), producer：South Korea SK；Model：AZ191 (melt index 28), factory
Family：Singapore TPC；Model：K9010 (melt index 10), producer：Taiwan chemistry.
Polybutene：Model：9217M, producer：Li Ande Basels；Model：0150M, producer：Li Ande Basels.
Cyclenes hydrocarbon type copolymer (hereinafter referred to as COC materials)：Model：TOPAS6015, producer：Polyplastics.
Ethylene-octene block copolymer：Model：9000, producer：DOW Chemical；Model：9007, producer：DOW Chemical；
Model：9507, producer：DOW Chemical.
Ethylene-octene random copolymer：Model：8150, producer：DOW Chemical.
Inorganic filler：Talcum powder model：AH51210, producer：Liaoning Ai Hai；Calcium carbonate model：LD-1000C, producer：It is vertical
Up to ultra micro；Glass microballoon model：2500GP, producer：Shanghai dispatch from foreign news agency；Barium sulfate model：BSM-M, producer：Guangzhou collection is beautiful.
Antioxidant：Hinered phenols model：1010, producer：Yixing City angel synthesizes chemistry；Phosphorous acid esters model：168,
Producer：Yixing City angel synthesizes chemistry.
Lubricant：White oil model：White oil 70#, producer：U.S.'s AVT；Calcium stearate model：BS-3818, producer：China
Bright safe chemical industry；Zinc stearate model：BS-2818, producer：Huaming Thailand chemical industry；Magnesium stearate model：BS-5818, producer：Huaming
Safe chemical industry.
Comparative example 1
Prepare raw material according to following components and parts by weight：100 parts of polypropylene (model BX3920 and model AZ191 each 50
Part), ethylene-octene block copolymer 15 parts (models 9000), COC3 parts, 30 parts of talcum powder, 8 parts of calcium carbonate, 1.3 parts of white oil,
0.3 part of 0.7 part of zinc stearate, 0.1 part of Hinered phenols antioxidant and phosphite ester kind antioxidant.Then, by polypropylene, ethene-
Octene block copolymer, COC, white oil, zinc stearate, Hinered phenols antioxidant and phosphite ester kind antioxidant are put into mixed at high speed
After mixing 3-5 minutes in machine, talcum powder and calcium carbonate are added, remixes 3-5 minutes, high-speed mixer mixing velocity is 200-
300 revs/min.Mixed material, which is added in double screw extruder, carries out melting extrusion, granulation, drying, cooling, dress bag.
Comparative example 2
Prepare raw material according to following components and parts by weight：100 parts of polypropylene (model BX3920 and model AZ191 each 50
Part), 30 parts of polybutene (model 9217M), 15 parts of ethylene-octene random copolymer, COC3 parts, 30 parts of talcum powder, calcium carbonate 8
0.3 part of part, 1.3 parts of white oil, 0.7 part of zinc stearate, 0.1 part of Hinered phenols antioxidant and phosphite ester kind antioxidant.Then, will
Polypropylene, polybutene, ethylene-octene random copolymer, COC, white oil, zinc stearate, Hinered phenols antioxidant and phosphite ester
Kind antioxidant was put into high-speed mixer after mixing 3-5 minutes, is added talcum powder and calcium carbonate, is remixed 3-5 minutes, at a high speed
Mixer mixing velocity is 200-300 revs/min.Mixed material, which is added in double screw extruder, to carry out melting extrusion, makes
Grain, dry, cool down, dress bag.
Comparative example 3
Prepare raw material according to following components and parts by weight：100 parts of polypropylene (model BX3920 and model AZ191 each 50
Part), 30 parts of polybutene (model 9217M), ethylene-octene block copolymer 15 parts (models 9000), 30 parts of talcum powder, calcium carbonate
8 parts, 1.3 parts of white oil, 0.7 part of zinc stearate, 0.3 part of 0.1 part of Hinered phenols antioxidant and phosphite ester kind antioxidant.Then,
By polypropylene, polybutene, ethylene-octene block copolymer, white oil, zinc stearate, Hinered phenols antioxidant and phosphorous acid esters
Antioxidant was put into high-speed mixer after mixing 3-5 minutes, added talcum powder and calcium carbonate, remixed 3-5 minutes, mixed at a high speed
Conjunction machine mixing velocity is 200-300 revs/min.Mixed material add in double screw extruder carry out melting extrusion, granulation,
Dry, cool down, dress bag.
Embodiment 1
Step 1：Prepare raw material according to following components and parts by weight：100 parts of polypropylene (model BX3920 and model AZ191
Each 50 parts), 30 parts of polybutene (model 9217M), ethylene-octene block copolymer 15 parts (models 9000), COC3 parts, talcum powder
30 parts, 8 parts of calcium carbonate, 1.3 parts of white oil, 0.7 part of zinc stearate, 0.1 part of Hinered phenols antioxidant and phosphite ester kind antioxidant
0.3 part；
Step 2：By polypropylene, polybutene, ethylene-octene block copolymer, COC, white oil, zinc stearate, Hinered phenols
Antioxidant and phosphite ester kind antioxidant, mixing velocity are 200-300 revs/min, and incorporation time is 3-5 minutes；
Step 3：Talcum powder and calcium carbonate are added in high-speed mixer, mixing velocity is 200-300 revs/min, mixing
Time is 3-5 minutes；
Step 4：The raw material of mixing is placed in double screw extruder through melting extrusion, granulation, drying, cooling, dress bag, institute
State double screw extruder and ten regions are divided into from feeding section to head, the temperature from first area to the tenth region is followed successively by
170-180℃、200-220℃、200-220℃、210-220℃、210-220℃、205-225℃、205-225℃、205-225
℃、200-215℃、200-215℃。
Embodiment 2
Step 1：Prepare raw material according to following components and parts by weight：100 parts of polypropylene (model BX3920 26 parts, model
74 parts of K9010), 10 parts of polybutene (model 0150M), ethylene-octene block copolymer 10 parts (models 9007), COC1 parts,
0.1 part of 1 part of white oil, 1 part of calcium stearate, 0.1 part of Hinered phenols antioxidant and phosphite ester kind antioxidant；
Step 2：By polypropylene, polybutene, ethylene-octene block copolymer, COC, white oil, calcium stearate, Hinered phenols
Antioxidant and phosphite ester kind antioxidant, mixing velocity are 200-300 revs/min, and incorporation time is 3-5 minutes；
Step 3：The raw material of mixing is placed in double screw extruder through melting extrusion, granulation, drying, cooling, dress bag, institute
State double screw extruder and ten regions are divided into from feeding section to head, the temperature from first area to the tenth region is followed successively by
170-180℃、200-220℃、200-220℃、210-220℃、210-220℃、205-225℃、205-225℃、205-225
℃、200-215℃、200-215℃。
Embodiment 3
Step 1：Prepare raw material according to following components and parts by weight：100 parts of polypropylene (model BX3920 26 parts, model
74 parts of K9010), 80 parts of polybutene (model 0150M), ethylene-octene block copolymer 80 parts (models 9007), COC15 parts,
0.37 part of 50 parts of talcum powder, 2 parts of white oil, 3 parts of magnesium stearate, 0.23 part of Hinered phenols antioxidant and phosphite ester kind antioxidant；
Step 2：By polypropylene, polybutene, ethylene-octene block copolymer, COC, white oil, magnesium stearate, Hinered phenols
Antioxidant and phosphite ester kind antioxidant, mixing velocity are 200-300 revs/min, and incorporation time is 3-5 minutes；
Step 3：Talcum powder is added in high-speed mixer, mixing velocity is 200-300 revs/min, incorporation time 3-5
Minute；
Step 4：The raw material of mixing is placed in double screw extruder through melting extrusion, granulation, drying, cooling, dress bag, institute
State double screw extruder and ten regions are divided into from feeding section to head, the temperature from first area to the tenth region is followed successively by
170-180℃、200-220℃、200-220℃、210-220℃、210-220℃、205-225℃、205-225℃、205-225
℃、200-215℃、200-215℃。
Embodiment 4
Step 1：Prepare raw material according to following components and parts by weight：100 parts of polypropylene (model BX3920 26 parts, model
74 parts of K9010), 25 parts of polybutene (model 0150M), ethylene-octene block copolymer 25 parts (models 9507), COC3 parts,
13 parts of calcium carbonate, 18 parts of glass microballoon, 10 parts of barium sulfate, 1.2 parts of white oil, 2 parts of calcium stearate, 0.21 part of Hinered phenols antioxidant
With 0.23 part of phosphite ester kind antioxidant；
Step 2：By polypropylene, polybutene, ethylene-octene block copolymer, COC, white oil, calcium stearate, Hinered phenols
Antioxidant and phosphite ester kind antioxidant, mixing velocity are 200-300 revs/min, and incorporation time is 3-5 minutes；
Step 3：By calcium carbonate, glass microballoon and barium sulfate add high-speed mixer in, mixing velocity be 200-300 turn/
Minute, incorporation time is 3-5 minutes；
Step 4：The raw material of mixing is placed in double screw extruder through melting extrusion, granulation, drying, cooling, dress bag, institute
State double screw extruder and ten regions are divided into from feeding section to head, the temperature from first area to the tenth region is followed successively by
170-180℃、200-220℃、200-220℃、210-220℃、210-220℃、205-225℃、205-225℃、205-225
℃、200-215℃、200-215℃。
Embodiment 5
Step 1：Prepare raw material according to following components and parts by weight：100 parts of polypropylene (model BX3920 26 parts, model
74 parts of K9010), 55 parts of polybutene (model 0150M), ethylene-octene block copolymer 55 parts (models 9507), COC8 parts,
27 parts of talcum powder, 20 parts of calcium carbonate, 1.2 parts of white oil, 2 parts of calcium stearate, 0.22 part of Hinered phenols antioxidant and phosphorous acid esters
0.25 part of antioxidant；
Step 2：By polypropylene, polybutene, ethylene-octene block copolymer, COC, white oil, calcium stearate, Hinered phenols
Antioxidant and phosphite ester kind antioxidant, mixing velocity are 200-300 revs/min, and incorporation time is 3-5 minutes；
Step 3：Talcum powder and calcium carbonate are added in high-speed mixer, mixing velocity is 200-300 revs/min, mixing
Time is 3-5 minutes；
Step 4：The raw material of mixing is placed in double screw extruder through melting extrusion, granulation, drying, cooling, dress bag, institute
State double screw extruder and ten regions are divided into from feeding section to head, the temperature from first area to the tenth region is followed successively by
170-180℃、200-220℃、200-220℃、210-220℃、210-220℃、205-225℃、205-225℃、205-225
℃、200-215℃、200-215℃。
Embodiment 6
Step 1：Prepare raw material according to following components and parts by weight：100 parts of polypropylene (model AZ191), 34 parts of polybutene
(14 parts of model 9217M and 20 parts of model 0150M), 34 parts of ethylene-octene block copolymer (12 parts, type of model 9000
12 parts of numbers 9007 and 10 parts of model 9507), COC6.6 parts, 12 parts of talcum powder, 10 parts of glass microballoon, 13 parts of barium sulfate, in vain
0.22 part of 1.1 parts of oil, 2.1 parts of zinc stearate, 0.17 part of Hinered phenols antioxidant and phosphite ester kind antioxidant；
Step 2：By polypropylene, polybutene, ethylene-octene block copolymer, COC, white oil, zinc stearate, Hinered phenols
Antioxidant and phosphite ester kind antioxidant, mixing velocity are 200-300 revs/min, and incorporation time is 3-5 minutes；
Step 3：By talcum powder, glass microballoon and barium sulfate add high-speed mixer in, mixing velocity be 200-300 turn/
Minute, incorporation time is 3-5 minutes；
Step 4：The raw material of mixing is placed in double screw extruder through melting extrusion, granulation, drying, cooling, dress bag, institute
State double screw extruder and ten regions are divided into from feeding section to head, the temperature from first area to the tenth region is followed successively by
170-180℃、200-220℃、200-220℃、210-220℃、210-220℃、205-225℃、205-225℃、205-225
℃、200-215℃、200-215℃。
The polypropylene material in the present invention can be made by above-mentioned operation, while the polypropylene being also made in comparative example
Material, by testing, obtain the test data of following table.When following table is tested, density is tested according to ISO 1183-1；Stretching
Performance is tested according to ISO 37, draw speed 50mm/min；Bending property is tested according to ISO 178, bending speed
Spend for 2mm/min；Izod notched impact is tested according to ISO 180；Scraping and wiping resistance performance according to Shanghai Volkswagen PV3952
《Plastics inside gadget scratch resistant is tested》Standard is tested, wherein using 10N load, color difference meter test experiments are used in as a result test
Front and rear △ L size.
By the test result of upper table, three advantages of the invention are clear that：
First, by using polybutene tenacity-increased profax, improve the impact flexibility and extension at break of PP composite material
Rate and improve polyacrylic wearability using the good anti-wear performance of polybutene.
Second, traditional ethylene-octene random copolymer tenacity-increased profax is substituted using ethylene-octene block copolymer,
The PP composite material combination property ratio random copolymer containing ethylene-octene of the final obtained block copolymer containing ethylene-octene
PP composite material it is high by about more than 20%, and both prices are suitable.
3rd, utilize COC materials and the good compatibility of polypropylene and itself good scratch resistance, high intensity, height
Modulus further improves the combination property of PP composite material.The PP composite material of final obtained excellent combination property.
Above example is used for illustrative purposes only, rather than limitation of the present invention, the technology people about technical field
Member, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all equivalent
Technical scheme should also belong to scope of the invention, should be limited by each claim.
Claims (8)
1. a kind of scratch-resistant, ultra-tough automotive trim polypropylene material, it is characterised in that including following components and its parts by weight：
100 parts of polypropylene；
Polybutene 10-80 parts；
Ethylene-octene block copolymer 10-80 parts；
Cyclenes hydrocarbon type copolymer 1-15 parts；
Inorganic filler 0-50 parts；
Lubricant 2-5 parts；
Antioxidant 0.2-0.6 parts；
The cyclenes hydrocarbon type copolymer is to be copolymerized by double-heptene monomer and vinyl monomer under metalloscene catalyst effect
Reaction is prepared.
2. a kind of scratch-resistant, ultra-tough automotive trim polypropylene material as claimed in claim 1, it is characterised in that described poly-
Propylene is block copolymer polypropylene, and under 230 DEG C, 2.16kg test condition, its melt index is 10-110g/10min.
3. a kind of scratch-resistant, ultra-tough automotive trim polypropylene material as claimed in claim 1, it is characterised in that described poly-
The parts by weight of butylene are 25-55 parts, and the parts by weight of the ethylene-octene block copolymer are 25-55 parts, cyclenes hydrocarbon type copolymer
Parts by weight be 3-8 parts.
4. a kind of scratch-resistant, ultra-tough automotive trim polypropylene material as claimed in claim 1, it is characterised in that the nothing
Machine filler is selected from least one of calcium carbonate, barium sulfate, glass microballoon and talcum powder.
5. a kind of scratch-resistant, ultra-tough automotive trim polypropylene material as claimed in claim 1, it is characterised in that the profit
Lubrication prescription is mixed by white oil and stearate, and the stearate is calcium stearate, zinc stearate or magnesium stearate.
6. a kind of scratch-resistant, ultra-tough automotive trim polypropylene material as claimed in claim 1, it is characterised in that described anti-
Oxygen agent is mixed by Hinered phenols antioxidant and phosphite ester kind antioxidant.
7. a kind of scratch-resistant, the preparation method of ultra-tough automotive trim polypropylene material as claimed in claim 1, its feature exist
It is as follows in, the preparation method the step of：
Step 1：Prepare raw material according to following components and parts by weight：
100 parts of polypropylene；
Polybutene 10-80 parts；
Ethylene-octene block copolymer 10-80 parts；
Cyclenes hydrocarbon type copolymer 1-15 parts；
Inorganic filler 0-50 parts；
Lubricant 2-5 parts；
Antioxidant 0.2-0.6 parts；
Step 2：Polypropylene, polybutene, ethylene-octene block copolymer, cyclenes hydrocarbon type copolymer, lubricant, antioxidant are added
Enter in high-speed mixer, mixing velocity is 200-300 revs/min, and incorporation time is 3-5 minutes；
Step 3：Inorganic filler is added in high-speed mixer, mixing velocity is 200-300 revs/min, and incorporation time is 3-5 points
Clock；
Step 4：The raw material of mixing is placed in double screw extruder through melting extrusion, granulation, drying, cooling, dress bag, it is described double
Screw extruder is divided into ten regions from feeding section to head, and the temperature from first area to the tenth region is followed successively by 170-
180℃、200-220℃、200-220℃、210-220℃、210-220℃、205-225℃、205-225℃、205-225℃、
200-215℃、200-215℃；
The cyclenes hydrocarbon type copolymer is to be copolymerized by double-heptene monomer and vinyl monomer under metalloscene catalyst effect
Reaction is prepared.
8. a kind of scratch-resistant, the preparation method of ultra-tough automotive trim polypropylene material as claimed in claim 7, its feature exist
In the screw diameter of double screw extruder is 42-75mm in the step 4, and draw ratio is in 40-60.
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| CN107383583B (en) * | 2017-09-15 | 2020-10-13 | 广州市合诚化学有限公司 | Outer cover material with high rigidity and low opening force, and preparation method and application thereof |
| CN107936375A (en) * | 2017-12-08 | 2018-04-20 | 广东技塑新材料股份有限公司 | Low smell sterilization fretting map exempts from spray coating polypropylene composite material and preparation method thereof |
| CN112321948B (en) * | 2020-11-25 | 2022-12-02 | 江苏金发科技新材料有限公司 | Silica aerogel-polypropylene light heat-insulating material and preparation method thereof |
| CN114230927B (en) * | 2021-12-31 | 2023-12-26 | 金发科技股份有限公司 | Conductive thermoplastic resin composition and preparation method and application thereof |
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