CN106751006A - A kind of polypropene composition and preparation method thereof - Google Patents
A kind of polypropene composition and preparation method thereof Download PDFInfo
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- CN106751006A CN106751006A CN201610235838.8A CN201610235838A CN106751006A CN 106751006 A CN106751006 A CN 106751006A CN 201610235838 A CN201610235838 A CN 201610235838A CN 106751006 A CN106751006 A CN 106751006A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The invention belongs to technical field of polymer materials, and in particular to a kind of polypropene composition and preparation method thereof.Polypropene composition of the present invention, is made up of the raw material of following mass fraction：Impact polypropylene 60 ~ 80；Talcum powder 10 ~ 30；Toughener 3 ~ 10；White carbon 2 ~ 5 and composite antioxidant 0.2 ~ 0.8.The preparation method of said composition is first that the material of formula ratio is dry-mixed uniform in super mixer, and mixer rotating speed is 400 ~ 450 revs/min, and the dry-mixed time is 5 ~ 8min, then extruded machine extruding pelletization at 180 ~ 210 DEG C is made.Composition smell of the present invention is low, while having rigidity and toughness higher, preparation is simple.Said composition can be used for the production of automobile component and appliances parts.
Description
Technical field
The invention belongs to technical field of polymer materials, and in particular to a kind of polypropene composition and preparation method thereof.
Background technology
Polypropylene due to density it is small, heat-resist, intensity is high, with excellent resistance to water soak, antiacid caustic corrosion,
The advantages of antilysis, the second largest general-purpose plastics in addition to polyethylene is had developed at present.Modified polypropene is exactly by adding
Plus various modifying agent further improve and extension Properties of Polypropylene, make its obtain widely application, can be used for automobile, household electrical appliances,
The various fields such as commodity.But polypropylene is in itself and various additives would generally make the composite of preparation carry larger gas
Taste, makes its feature of environmental protection not reach use requirement.With the fast development of each industrial circle and people's living standard increasingly
Improve, requirement more, higher is proposed to polypropylene modified material, it is right in addition to mechanical performance to be improved, fluidity of molten
The odor profiles requirement of material also more and more higher.And polyacrylic rigidity and toughness are mutually restrictions, rigidity is improved and can caused
Toughness decline to a certain degree, vice versa, therefore how to obtain the focus that rigid-tough balance is people's research.
High-performance just how to be obtained again while having the modified polypropylene material of low smell, also there is some patents and document
Research report.
Weng Yonghua et al. proposes a kind of low smell, low-volatile PP composite material in patent CN 1727389A,
It is that its low smell, the performance of low-volatile are realized by the method using Kiselgel A, the polypropylene for being used is highly crystalline
One kind or its combination in homo-polypropylene or block copolymerization polypropylene, it is second that the comonomer of wherein block copolymerization polypropylene is common
Alkene, its content is in the range of 4-10mol%.
Gu Chun et al. proposed in patent CN 101817953A a kind of low modified polypropylene composite material for distributing and
Its preparation method, is total to by three kinds of mixtures in clay, bentonite, porous silica, activated alumina or molecular sieve
It is used as odor adsorption agent odor profiles to reduce composite.
Kim, Hee-Soo et al.（Journal of Applied Polymer Science (2008) is published in,
110(5)： 3247-3255）Zeolite type and content be have studied to natural powder filling polypropylene composite material mechanical performance, hot
The influence of energy, smell and volatile organic matter VOC emission.Result shows that zeolite can effectively reduce nature powder filling thermoplasticity
The smell and VOC emission amount of polymer composites, while not influenceing the mechanical performance and hot property of material.
Zhou Yinghui et al. proposes a kind of high-performance low-odour fascia special poly- third in patent CN 1840576A
Alkene and preparation method thereof, its practical smell modifying agent is inorganic powder molecular sieve, and bending modulus of the material at 23 DEG C reaches
During 2400MPa, Izod notched impact strength is still up to 42kJ/m2More than；Smell rank can reach 6 grades of GM standards with
On.
The system mechanical performance that the studies above has is defective, although as rigidity high impact strength is low；Some uses
Raw material is odor profiles big in itself, carries it into composite system, system smell is unable to reach lower level.
The content of the invention
It is an object of the invention to provide a kind of polypropene composition and preparation method thereof, by using a kind of low smell, height
Shock proof polypropylene base resin, two kinds of high-melting-points, composite antioxidants of low-volatile, and one kind can effectively reduce combination
The odor suppressing agents of material smell, prepare a kind of low smell, the polypropene composition of high impact properties of low cost.
Strong and unyielding low-odor polypropylene ene compositions high of the present invention, are made up of the raw material of following parts by weight：
Impact polypropylene 60 ~ 80
Talcum powder 10 ~ 30
Toughener 3 ~ 10
White carbon 2 ~ 5
Composite antioxidant 0.2 ~ 0.8.
Described low smell impact polypropylene is low smell High Impact Polypropylene resin, and its preparation method is as follows：By copolymerization
100 parts of polypropylene powder；31,14/,330 0.4 parts of composite antioxidant；0.1 part of acid-acceptor Cast；0.1 part of lubricants GMS, fully
After mixing, it is made through double screw extruder extruding pelletization.Each area's temperature of extruder be 180 DEG C, 185 DEG C, 190 DEG C, 200 DEG C, 210
DEG C, screw speed is 200 ~ 300rpm, and granulation screw is used and vacuumized, the MPa of vacuum 0.3.COPP powder selects the 4th
Generation and the COPP powder of above Ziegler/Natta Catalyst Productions, isotacticity more than 95% are urged in every kilogram of polypropylene
Agent residual is less than 0.02g, its comonomer ethylene 6 ~ 13mol% of content, preferably 11 ~ 13mol%；Composite antioxidant 3114/
330,3114 and 330 both compounding mass ratioes are 1.0.The low smell High Impact Polypropylene resin melt quality prepared
Flow rate is 8 ~ 11g/10min, and it is the rigidity provided for composition why to select low smell High Impact Polypropylene
And impact resistance and as far as possible reduce bring smell into.
Described amount of talc is 18 ~ 25 parts, and particle diameter is 1000 ~ 5000 mesh, preferably 1000 ~ 2000 mesh.
Described toughener is ethylene-octene copolymer（Abbreviation POE）, consumption is 7 ~ 10 parts, and density is 0.88 ~ 0.90g/
cm3。
Described white carbon is 3 ~ 5 parts, and average grain diameter is 1000 ~ 5000 mesh, preferably 3000-5000 mesh, and BET method specific surface area is
50~500m2/g.As the odor suppressing agents in composition, effective Adsorption of components the has and generation in processing, use
Smell, and white carbon itself color and luster is close with polypropylene, can make composition color keep preferably, and be conducive to being deployed into it
Its color.
Preferably 0.7 ~ 0.8 part of described composite antioxidant consumption, composite antioxidant is high-melting-point, the main antioxygen of low-volatile
The fusing point requirement of agent and the compound of auxiliary anti-oxidant, primary antioxidant and auxiliary anti-oxidant is 218-224 DEG C, fugitive constituent≤0.1%.This
Preferred primary antioxidant 3114 is invented, chemical name is 1,3,5- tri- (3,5- di-tert-butyl-4-hydroxyl benzyl) isocyanuric acids, this hair
Bright preferred auxiliary anti-oxidant 330, chemical name is 1,3,5- trimethyl -2,4,6- tri-（3,5- di-tert-butyl-4-hydroxyl benzyls）Benzene.
Both compound proportions are 1:1 ~ 2, preferably 1:1~1.5.
The preparation method of strong and unyielding low-odor polypropylene ene compositions high of the present invention is as follows：First the material of formula ratio is existed
Dry-mixed uniform in super mixer, mixer rotating speed is 400 ~ 450 revs/min, and the dry-mixed time is 5 ~ 8min, then extruded machine exists
Extruding pelletization is made at 180 ~ 210 DEG C.
Beneficial effects of the present invention are as follows：
（1）The present invention is base stock using low smell high impact resistance polypropylene resin, uses high-melting-point, low-volatile, low smell
High efficiency composition antioxidant, and use efficient odor suppressing agents simultaneously, obtained composition can reach lower smell etc.
Level；
（2）It is raw material that the present invention uses the acrylic resin of high-impact, even if the inorganic filler such as talcum powder of addition high level
Deng can still keep impact strength higher；
（3）Low cost of the present invention, preparation is simple；
（4）Composition prepared by the present invention can be used for the field such as mechanical performance and the feature of environmental protection requirement automobile, household electrical appliances higher,
The art progress is promoted, with huge economic benefit and social benefit.
Specific embodiment
The present invention is described further with reference to embodiments.
Product of the present invention is detected using national standard and germany volkswagen company standard.Specific method of testing is as follows：
1st, melt mass flow rate（MFR）Carried out by GB/T 3682-2000, load 2.16kg；
2nd, stretching yield stress, fracture norminal strain are carried out by GB/T 1040-2006,Pattern bar, draw speed is 50mm/
min；
3rd, Izod notched impact strength is carried out by GB/T 1843-2008, and wherein low-temperature process is that -20 DEG C of placements 2 are small
When, normal temperature processing procedure is 23 DEG C and places 24 hours；
4th, the modulus of elasticity in static bending, bending strength are carried out by GB/T 9341-2008；
5th, odor profiles test is carried out according to the method for germany volkswagen standard PV3900, and the judgment criteria of its oder levels is：It is difficult
Feel for grade 1, can feel but be not pungent for grade 2, can be clearly felt that but not be pungent for grade 3, to be pungent be grade
4th, it is pungent very much for class 5, can not to stand be class 6.
Embodiment 1 ~ 6
Polyacrylic preparation method is as follows：By 100 parts of COPP powder；31,14/,330 0.4 parts of composite antioxidant；Acid-acceptor
0.1 part of Cast；0.1 part of lubricants GMS, after being sufficiently mixed, is made through double screw extruder extruding pelletization.Each area's temperature of extruder
It is 180 DEG C, 185 DEG C, 190 DEG C, 200 DEG C, 210 DEG C, 210 DEG C to spend, and screw speed is 250 ± 50rpm, and granulation screw is true using taking out
Sky, the MPa of vacuum 0.3.COPP powder selects the COPP powder of forth generation Ziegler/Natta Catalyst Productions,
Isotacticity 95%, catalyst residual is less than both 0.02g, composite antioxidant 3114/330,3114 and 330 in every kilogram of polypropylene
Compounding mass ratio be 1.0.
The component of the high strong and unyielding low-odor polypropylene ene compositions described in embodiment 1 ~ 6, with the when performance indications such as institute of table 1
Show.
High strong and unyielding low odor polypropylene preparation method of composition described in embodiment 1 ~ 6 is as follows：Weighed respectively by formula ratio
Raw material, stirs mixing 7 ± 1 minutes in high-speed mixer, and mixer rotating speed is 450 ± 50 revs/min, in twin-screw after discharging
Extruding pelletization in extruder, each area's temperature of extruder is 170 DEG C, 180 DEG C, 190 DEG C, 200 DEG C, 220 DEG C, 210 DEG C, screw speed
It is 200 ~ 300rpm.
The component of 1 embodiment of table 1 ~ 6, with when performance indications table
Comparative example 1 ~ 2
It is the component of the polypropene composition described in comparative example 1 ~ 2, as shown in table 2 with when performance indications.
The preparation method of comparative example 1 ~ 2 such as embodiment 1 ~ 6.
The comparative example component of table 2, with when performance indications table
| Composition and performance | Comparative example 1 | Comparative example 2 |
| Plain polypropylene | 70.8 | 67.8 |
| Talcum powder | 20 | 20 |
| POE | 9 | 9 |
| Common commercially available antioxidant 1 | 0.1 | 0.1 |
| Common commercially available antioxidant 2 | 0.1 | 0.1 |
| White carbon | 0 | 4 |
| Melt mass flow rate, g/10min | 8.7 | 8.8 |
| Stretching yield stress, MPa | 18.7 | 19.2 |
| Fracture norminal strain, % | 65 | 83 |
| Bending stress | 30.6 | 29.8 |
| The modulus of elasticity in static bending, MPa | 1950 | 1877 |
| 23 DEG C of Izod notched impact strength, kJ/m2 | 12.3 | 13.9 |
| - 20 DEG C of Izod notched impact strength, kJ/m2 | 3.4 | 3.7 |
| Load deformation temperature, DEG C | 113 | 110 |
| Oder levels | 4.0 | 3.5 |
From the point of view of embodiment and comparative example performance test results, using plain polypropylene, common antioxidant in the case of, identical
During POE consumptions, the toughness of comparative example is relatively low, smell is larger, and rigid phase is worked as；Using plain polypropylene, the feelings of common antioxidant
Under condition, using same amount white carbon when, the oder levels of comparative example decrease, but still be higher than embodiment.
Claims (9)
1. a kind of polypropene composition, it is characterised in that be made up of the raw material of following parts by weight：
Impact polypropylene 60 ~ 80
Talcum powder 10 ~ 30
Toughener 3 ~ 10
White carbon 2 ~ 5
Composite antioxidant 0.2 ~ 0.8.
2. polypropene composition according to claim 1, it is characterised in that described low smell High Impact Polypropylene
Resin, its comonomer ethylene content is 11 ~ 13mol%, and its melt mass flow rate is 8 ~ 11g/10min.
3.
Polypropene composition according to claim 1, it is characterised in that described amount of talc is 18 ~ 25 parts, particle diameter
It is 1000 ~ 5000 mesh.
4. polypropene composition according to claim 3, it is characterised in that the particle diameter of described talcum powder is 1000 ~ 2000
Mesh.
5. polypropene composition according to claim 1, it is characterised in that described toughener is POE, consumption is 7 ~ 10
Part.
6. polypropene composition according to claim 1, it is characterised in that described white carbon is 3 ~ 4 parts, average grain diameter
It is 1000 ~ 5000 mesh.
7. polypropene composition according to claim 6, it is characterised in that described white carbon average grain diameter is 3000 ~
5000 mesh.
8. polypropene composition according to claim 1, it is characterised in that described composite antioxidant is primary antioxidant
3114 and the compound of auxiliary anti-oxidant 330, its compounding mass ratio is 1:1 ~ 2, consumption is 0.7 ~ 0.8 part.
9. the preparation method of the polypropene composition described in a kind of claim 1, it is characterised in that：First the material of formula ratio is existed
Dry-mixed uniform in super mixer, mixer rotating speed is 400 ~ 450 revs/min, and the dry-mixed time is 5 ~ 8min, then extruded machine exists
Extruding pelletization is made at 180 ~ 210 DEG C.
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| CN201610235838.8A CN106751006A (en) | 2016-04-17 | 2016-04-17 | A kind of polypropene composition and preparation method thereof |
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| CN201610235838.8A CN106751006A (en) | 2016-04-17 | 2016-04-17 | A kind of polypropene composition and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109206821A (en) * | 2018-08-31 | 2019-01-15 | 柏力开米复合塑料(昆山)有限公司 | A kind of PP composite material and preparation method thereof |
| CN109651749A (en) * | 2018-12-26 | 2019-04-19 | 天津金发新材料有限公司 | Resistance to cracking anti-flaming polypropylene material of low-temperature impact-resistant and its preparation method and application |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102952341A (en) * | 2011-08-30 | 2013-03-06 | 中国石油化工股份有限公司 | High-rigidity-toughness low-odor polypropylene composition and preparation method thereof |
-
2016
- 2016-04-17 CN CN201610235838.8A patent/CN106751006A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102952341A (en) * | 2011-08-30 | 2013-03-06 | 中国石油化工股份有限公司 | High-rigidity-toughness low-odor polypropylene composition and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109206821A (en) * | 2018-08-31 | 2019-01-15 | 柏力开米复合塑料(昆山)有限公司 | A kind of PP composite material and preparation method thereof |
| CN109206821B (en) * | 2018-08-31 | 2021-12-07 | 柏力开米复合塑料(昆山)有限公司 | Polypropylene composite material and preparation method thereof |
| CN109651749A (en) * | 2018-12-26 | 2019-04-19 | 天津金发新材料有限公司 | Resistance to cracking anti-flaming polypropylene material of low-temperature impact-resistant and its preparation method and application |
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Application publication date: 20170531 |