CN109486031A - A kind of rigidity-toughness balanced high-transparency polypropylene composition - Google Patents
A kind of rigidity-toughness balanced high-transparency polypropylene composition Download PDFInfo
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- CN109486031A CN109486031A CN201811171009.3A CN201811171009A CN109486031A CN 109486031 A CN109486031 A CN 109486031A CN 201811171009 A CN201811171009 A CN 201811171009A CN 109486031 A CN109486031 A CN 109486031A
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- propylene
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- -1 polypropylene Polymers 0.000 title claims abstract description 82
- 239000000203 mixture Substances 0.000 title claims abstract description 53
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 49
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 59
- 239000002994 raw material Substances 0.000 claims abstract description 45
- 229920001577 copolymer Polymers 0.000 claims abstract description 44
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 37
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 37
- 239000002253 acid Substances 0.000 claims abstract description 25
- 230000002745 absorbent Effects 0.000 claims abstract description 22
- 239000002250 absorbent Substances 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 239000003054 catalyst Substances 0.000 claims description 50
- 239000002216 antistatic agent Substances 0.000 claims description 43
- 238000006243 chemical reaction Methods 0.000 claims description 43
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 40
- 239000001257 hydrogen Substances 0.000 claims description 39
- 229910052739 hydrogen Inorganic materials 0.000 claims description 39
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 38
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 38
- 238000005452 bending Methods 0.000 claims description 28
- 239000003426 co-catalyst Substances 0.000 claims description 27
- 239000003595 mist Substances 0.000 claims description 24
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 21
- 239000005977 Ethylene Substances 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 239000007791 liquid phase Substances 0.000 claims description 12
- 230000035484 reaction time Effects 0.000 claims description 12
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 11
- 235000013539 calcium stearate Nutrition 0.000 claims description 11
- 239000008116 calcium stearate Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 11
- 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 claims description 10
- 229920000058 polyacrylate Polymers 0.000 claims description 10
- 239000002530 phenolic antioxidant Substances 0.000 claims description 4
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 3
- VSAWBBYYMBQKIK-UHFFFAOYSA-N 4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol Chemical compound CC1=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C1CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VSAWBBYYMBQKIK-UHFFFAOYSA-N 0.000 claims description 2
- 150000004645 aluminates Chemical class 0.000 claims description 2
- 150000004677 hydrates Chemical class 0.000 claims description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 2
- 239000001095 magnesium carbonate Substances 0.000 claims description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 2
- 229920001384 propylene homopolymer Polymers 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 38
- 238000012545 processing Methods 0.000 abstract description 4
- 230000004927 fusion Effects 0.000 abstract 1
- 238000007792 addition Methods 0.000 description 29
- 239000000654 additive Substances 0.000 description 20
- 230000000996 additive effect Effects 0.000 description 20
- 239000000843 powder Substances 0.000 description 17
- 238000003756 stirring Methods 0.000 description 16
- 238000005453 pelletization Methods 0.000 description 10
- 238000001125 extrusion Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 229920001971 elastomer Polymers 0.000 description 8
- 229920005633 polypropylene homopolymer resin Polymers 0.000 description 8
- 239000000806 elastomer Substances 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- SJJCABYOVIHNPZ-UHFFFAOYSA-N cyclohexyl-dimethoxy-methylsilane Chemical compound CO[Si](C)(OC)C1CCCCC1 SJJCABYOVIHNPZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- FGHOOJSIEHYJFQ-UHFFFAOYSA-N (2,4-ditert-butylphenyl) dihydrogen phosphite Chemical class CC(C)(C)C1=CC=C(OP(O)O)C(C(C)(C)C)=C1 FGHOOJSIEHYJFQ-UHFFFAOYSA-N 0.000 description 1
- GXURZKWLMYOCDX-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol;dihydroxyphosphanyl dihydrogen phosphite Chemical class OP(O)OP(O)O.OCC(CO)(CO)CO GXURZKWLMYOCDX-UHFFFAOYSA-N 0.000 description 1
- ICKWICRCANNIBI-UHFFFAOYSA-N 2,4-(1,1-dimethylethyl)-phenol Natural products CC(C)(C)C1=CC=C(O)C(C(C)(C)C)=C1 ICKWICRCANNIBI-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- AHUXYBVKTIBBJW-UHFFFAOYSA-N dimethoxy(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](OC)(OC)C1=CC=CC=C1 AHUXYBVKTIBBJW-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229940127554 medical product Drugs 0.000 description 1
- 229940095102 methyl benzoate Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 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
- C08L23/14—Copolymers of propene
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- 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
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
-
- 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
- C08L2205/24—Crystallisation aids
Abstract
The present invention relates to a kind of rigidity-toughness balanced high-transparency polypropylene compositions, the composition is mainly made of the raw material melting mixing of following proportion by weight: 100 parts of propylene-ethylene impact copolymer, 10~25 parts of Noblen, 0.2~0.4 part of clarifier, 0.13~0.16 part of antioxidant, 0.02~0.04 part of acid absorbent.Polypropene composition of the present invention is based on propylene-ethylene impact copolymer, supplemented by Noblen, it is mainly mixed by two kinds of polypropylene fusions, propylene-ethylene impact copolymer rigidity is adjusted with Noblen, and mixture transparency is enhanced with clarifier, finally make composition rigidity-toughness balanced high transparency, its simple process, the cost of material is low, will not significantly change the heat resisting temperature and processing viscosity of material, post-production difficulty is low, has wide application range.
Description
Technical field
The invention belongs to polypropylene material technical field of modification, and in particular to a kind of rigidity-toughness balanced high-transparency polypropylene combination
Object.
Technical background
Acrylic resin has good heat resistance, processability and mechanical strength, at the same also have density is low, Yi Huishou,
The features such as can be recycled is widely used in the fields such as automobile, electric appliance, daily necessities, furniture and packaging.Transparent polypropylene is due to system
Product it is transparent it is beautiful, wholesomeness is good, heat-resisting, price is low etc., food packaging, medical article, media product packaging, finishing box and
Beverage bottle, feeding bottle etc. are widely applied.Most of domestic market is conventional transparent polypropylene, and this transparent polypropylene is logical
It is often to be obtained after adding clarifier in homopolymerization or atactic copolymerized polypropene, there are still impact resistance (toughness) in use no
The problem of foot.Not only require it is transparent but also in the case where require high-impact, at present mainly by atactic copolymerized polypropene and POP, POE,
SEBS etc. is elastomer blended or more rubber phases are introduced in polypropylene matrix, then adds clarifier, both methods exists
The impact resistance of material can be improved to a certain extent, but be respectively present its disadvantage: elastomer price height, material is added in the former
Rigidity decline is serious (a small amount of elastomer rigidity is added with regard to sharp fall), is unable to reach rigidity-toughness balanced, and keep material heat-resisting
Temperature is insufficient, and processing viscosity increases etc.；The latter introduces rubber phase, i.e., changes its rubber phase by polyacrylic polymerization reaction and contain
Amount, though this method can accomplish rigidity-toughness balanced, technology difficulty is big.
Therefore, it needs to develop a kind of simple process and low cost, and poly- the third of the high grade of transparency and rigidity-toughness balanced feature can be taken into account
Ene compositions.
Summary of the invention
Goal of the invention of the invention is to provide a kind of simple process and low cost, and can take into account the high grade of transparency and rigidity-toughness balanced
The polypropene composition of feature.
Foregoing invention purpose of the invention is achieved through the following technical solutions: a kind of rigidity-toughness balanced high-transparency polypropylene combination
Object is mainly made of the raw material melting mixing of following proportion by weight:
The bending modulus of the rigidity-toughness balanced high-transparency polypropylene composition is 900-1000MPa, impact strength 6.0-
7.0KJ/m2, mist degree is not higher than 12%.
Two kinds of polypropylene being specifically blended, described its melt mass flow rate of propylene-ethylene impact copolymer be 22~
28g/10min (testing conditions: load 2.16kg, 230 DEG C of temperature), bending modulus are 700~800MPa, simply supported beam notch shock
Intensity is 6.5~8.5KJ/m2, mist degree is 6~9%.
The propylene-ethylene impact copolymer is made by following methods: Spheripol process unit is used, with propylene, hydrogen
Gas and ethylene are raw material, are added raw materials into the annular-pipe reactor of Spheripol process unit, and catalyst, co-catalysis is added
Agent, electron donor and antistatic agent, control 70 ± 1 DEG C of the annular-pipe reactor reaction temperature, and reaction pressure is 3.4~
3.8MPa, density of hydrogen are 3800~4000ppm, and the reaction time is 1~2h, and ethylene contents are that (ethylene is entire by 4~6wt%
Parts by weight in annular-pipe reactor material), prepare the propylene-ethylene impact copolymer.
The catalyst can be used Ziegler-Natta and carry Ti catalyst, and specifically optional Sinopec Beijing chemical industry is ground
Study carefully N, DQ catalyst series of institute's exploitation, GF-2A, FT4S catalyst of former Himont company exploitation, the TK of Mitsui's exploitation
Catalyst series, the CS catalyst series that Chinese Academy of Sciences's chemistry is developed, Beijing Austria reach one in DQC catalyst series of production etc.
Kind.
The co-catalyst is another component being added in the catalyst, not active or active very little itself, but
The some properties that catalyst can be changed can be triethyl aluminum or triisobutyl aluminium etc..
The electron donor be it is a kind of be added in the course of the polymerization process can be improved catalyst activity and capacity of orientation
Lweis alkali can be appointing in dimethoxydiphenylsilane, Cyclohexyl-methyl-dimethoxysilane, methyl benzoate etc.
It is a kind of.
The antistatic agent is a kind of compound, for eliminating the charge of polypropylene material surface accumulation.Polypropylene is used anti-
Electrostatic agent is broadly divided into interior antistatic agent and outer antistatic agent, and it is interior antistatic agent that the present invention, which uses,.It is antistatic in common
Agent is a kind of surfactant with amphiphilic structure, can be Atmer series antistatic agent, such as Atmer163, Atmer129
Deng.
Additive amount is substantially as follows: catalyst is added according to 40kg/ tons of yield；Co-catalyst is according to co-catalyst/(propylene)
=0.16 addition；Electron donor is according to co-catalyst/electron donor=10 additions；Antistatic agent additive amount is 2~3kg/h.
The melt mass flow rate of the Noblen be 18~23g/10min (testing conditions: load 2.16kg,
230 DEG C of temperature), bending modulus is 1500~2200MPa, and simply supported beam notch impact strength is 1.5~2.5KJ/m2, mist degree 28
~34%.
The Noblen is made by following methods: Basell polymarization method for prodcing polyacrylates process units is used, it is concatenated at its
In two liquid phase annular-pipe reactors, using propylene and hydrogen as raw material, and catalyst, co-catalyst, electron donor is added and resists quiet
Electric agent controls 72 ± 2 DEG C of reaction temperature of the liquid phase annular-pipe reactor, and reaction pressure is 3.4~4.0MPa, and density of hydrogen is
3500~4500ppm, reaction time are that 1~2h prepares the Noblen.
In Noblen preparation process, the selection of catalyst, co-catalyst, electron donor and antistatic agent is same as above.
Additive amount is substantially as follows: catalyst is added according to 45kg/ tons of yield；Co-catalyst is according to co-catalyst/(propylene)
=0.18 addition；Electron donor is according to co-catalyst/electron donor=11 additions；Antistatic agent additive amount is 2~3kg/h.
Bending modulus is used for the rigidity of reaction material, and bending modulus is higher, and material stiffness is bigger, and simply supported beam notch shock is strong
Degree is used for the impact resistance (toughness) of reaction material, and the higher toughness of material of simply supported beam notch impact strength is better.Impact copolymer
(for industrial polypropylene, if simply supported beam notch impact strength is greater than 6KJ/m2, it is anti-that it is good, which to be generally considered as its erosion-resisting characteristics,
Rush polypropylene) compared with Noblen, it is however generally that, impact copolymer in terms of transparency and toughness advantageously, and third
Polyamino alkenyl object is stronger in terms of rigidity.The present invention is based on impact copolymer, on the basis of transparent, anti-impact impact copolymer,
A certain amount of homopolypropylene is added to adjust the rigidity of impact copolymer, makees composition rigidly on the basis of impact copolymer
Promote (composition final rigidity or closer to impact copolymer) by a small margin, thus make composition be provided with one it is new strong and unyielding
Equalization point.
In addition, the viscosity of melt mass flow rate reaction material, melt mass flow rate is low, and post-production is as squeezed out
Prilling difficulty is big, two kinds of polypropylene melt mass flow rate all with higher that the present invention is blended, product after blending
Also can melt mass flow rate with higher, post-production difficulty is lower.
As present composition preferred embodiment: the antioxidant is phenolic antioxidant and phosphoric acid ester antioxidant by weight
The compound mixed than 1:1 is measured, wherein four [β-(3,5- di-tert-butyl-hydroxy phenyl) third can be used in the phenolic antioxidant
Acid] pentaerythritol ester (referred to as: antioxidant 1010) and/or 1,3,5- trimethyl -2,4,6- (3,5- di-t-butyl -4- hydroxy benzenes
Methyl) benzene (referred to as: antioxidant 330)；The phosphoric acid ester antioxidant is the (letter of three (2,4- di-tert-butyl-phenyl) phosphite esters
Claim: irgasfos 168) and/or bis- (2,4- DI-tert-butylphenol compounds) pentaerythritol diphosphites (referred to as: antioxidant 626).
The nucleant agent N X8000 of the preferred Milliken Co.'s production of the clarifier or the nucleation that Guangzhou is in and company produces
Agent NA-1.
The preferred calcium stearate of the acid absorbent, zinc stearate, it is one or more in aluminate hydrates magnesium carbonate (two kinds with
On) combination, further preferred calcium stearate or zinc stearate, experiment shows that they can preferably promote the comprehensive of material
Energy.
Above-mentioned antioxidant and acid absorbent are used to improve the material property of composition, and antioxidant can prevent material to turn to be yellow, and inhale acid
Agent can absorb catalyst residual acid, effectively prevent material aging.
Steps are as follows for the preparation method of above-mentioned rigidity-toughness balanced high-transparency polypropylene composition:
By above-mentioned dosage relation, based on propylene-ethylene impact copolymer, supplemented by Noblen, and be added clarifier,
Antioxidant and acid absorbent, their melting mixings are uniform, obtain the rigidity-toughness balanced high-transparency polypropylene composition.
It is specific: each raw material being placed in high-speed mixer and is stirred, is uniformly mixed, then double spiral shells are added in uniformly mixed material
It is kneaded, is granulated in bar extruder；The extrusion temperature of double screw extruder is 205 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220
DEG C, 225 DEG C, screw speed 200-300rpm, extruding pelletization obtains rigidity-toughness balanced high-transparency polypropylene composition of the present invention.
Compared with prior art, the present invention having the following beneficial effects:
Influence of the Noblen to propylene-ethylene impact copolymer rigidity, toughness is slow with its addition ratio increase
Variation is based on the feature, and the present invention is polypropene blended using two kinds, adjusts propylene-ethylene anti-impact by addition Noblen
The rigidity of copolymer finally makes composition reach rigidity-toughness balanced, simple process；The present invention, can be preferably based on impact copolymer
Ground guarantees the impact resilience and the transparency of material, and forms different rigidity-toughness balanced points, and the rigidity-toughness balanced point is before meeting anti-impact
It puts, bending modulus is relatively mild；In addition, the Noblen of addition is compared to elastomer, the cost of material is low, moreover, comparing
In addition elastomer be modified, will not significantly change material heat resisting temperature and processing viscosity, material post-production difficulty compared with
It is low, have and be more widely applied range, can be applicable to the fields such as medical product, food packaging, daily necessities, especially medical
In the processing of injector syringe, larger performance advantage is shown, solving syringe separating force can not be by test or material
Expect the problem of toughness deficiency: many experiments show the injector syringe that conventionally employed single raw material produces, if single using anti-
Polypropylene is rushed, though material erosion-resisting characteristics is met the requirements, separating force test can not often pass through, and if list uses homopolymerization poly- third
Alkene since material erosion-resisting characteristics is insufficient, and leads to product easy fragmentation during transportation though separating force test is easier to pass through,
And in terms of there is the present invention composition of new rigidity-toughness balanced point then just can overcome the shortcomings of both the above simultaneously.
Specific embodiment
Embodiment 1
Rigidity-toughness balanced high-transparency polypropylene composition provided in this embodiment, is made of the raw material of following proportion by weight:
The propylene-ethylene impact copolymer A is made by following methods: use Spheripol process unit, with propylene,
Hydrogen and ethylene are raw material, are added in annular-pipe reactor, and catalyst DQC-602, co-catalyst TEAL (i.e. triethyl group is added
Aluminium), electron donor DONOR-C2 and antistatic agent Atmer163, stir evenly and reacted.Wherein additive amount: catalyst DQC-
602 are added according to 40kg/ tons of yield；TEAL/ (propylene)=0.16；TEAL/DONOR=10；Antistatic agent Atmer163 be 2~
3kg/h.70 DEG C of annular-pipe reactor reaction temperature, reaction pressure 3.4MPa, density of hydrogen 3800ppm of control, reaction time
For 1h, ethylene contents are 4~6wt%, prepare propylene-ethylene impact copolymer A.
The Noblen D is made by following methods: being used Basell polymarization method for prodcing polyacrylates process units, is connected at two
Liquid phase annular-pipe reactor in, using propylene and hydrogen as raw material, and catalyst DQC-401, co-catalyst TEAL, electron is added
Body DONOR-C1 and antistatic agent Atmer163, stirs evenly reacted in a loop reactor.Wherein additive amount: catalyst
DQC-401 is added according to 45kg/ tons of yield；TEAL/ (propylene)=0.18；TEAL/DONOR=11；Antistatic agent Atmer163
For 2~3kg/h.72 DEG C of reaction temperature, reaction pressure 3.4MPa, density of hydrogen 3500ppm of annular-pipe reactor are controlled, instead
It is 1h between seasonable, prepares homopolypropylene resin D.
Clarifier uses the nucleant agent N X8000 of Milliken Co.'s production.
Antioxidant uses the compound antioxidant of the antioxidant 1010 that Guangzhou is in and company produces and irgasfos 168.
Acid absorbent is in the calcium stearate produced with company using Guangzhou.
The preparation method of the rigidity-toughness balanced high-transparency polypropylene composition, comprising the following steps:
Addition melt index is 22g/10min, bending modulus 800MPa, simply supported beam notch impact strength are 8.5KJ/
m2, mist degree be 9% A100 part of propylene-ethylene impact copolymer powder, addition melt index be 18g/10min, bending modulus
It is 1.5KJ/m for 2200MPa, simply supported beam notch impact strength2, mist degree is D20 parts of Noblen powder of 34%, and is added
0.3 part of clarifier, 0.14 part of antioxidant, 0.03 part of acid absorbent.
Each raw material is placed in high-speed mixer and is stirred, is uniformly mixed, then twin-screw is added in uniformly mixed material and is squeezed
It is kneaded, is granulated in machine out；The extrusion temperature of double screw extruder be 205 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C,
225 DEG C, screw speed 200-300rpm, extruding pelletization obtains rigidity-toughness balanced high-transparency polypropylene composition of the present invention.
Embodiment 2
Rigidity-toughness balanced high-transparency polypropylene composition provided in this embodiment, is made of the raw material of following proportion by weight:
The propylene-ethylene impact copolymer A is made by following methods: use Spheripol process unit, with propylene,
Hydrogen and ethylene are raw material, are added in annular-pipe reactor, and catalyst DQC-602, co-catalyst TEAL, electron donor is added
DONOR-C2 and antistatic agent Atmer163, stirs evenly and is reacted.Wherein additive amount: catalyst DQC-602 is according to yield
40kg/ tons of additions；TEAL/ (propylene)=0.16；TEAL/DONOR=10；Antistatic agent Atmer163 is 2~3kg/h.Control
70 DEG C of annular-pipe reactor reaction temperature, reaction pressure 3.4MPa, density of hydrogen 3800ppm, reaction time 1h, ethylene contains
Amount is 4~6wt%, prepares propylene-ethylene impact copolymer A.
The Noblen E is made by following methods: being used Basell polymarization method for prodcing polyacrylates process units, is connected at two
Liquid phase annular-pipe reactor in, using propylene and hydrogen as raw material, and catalyst DQC-401, co-catalyst TEAL, electron is added
Body DONOR-C1 and antistatic agent Atmer163, stirs evenly reacted in a loop reactor.Wherein additive amount: catalyst
DQC-401 is added according to 45kg/ tons of yield；TEAL/ (propylene)=0.18；TEAL/DONOR=11；Antistatic agent Atmer163
For 2~3kg/h.72 DEG C of reaction temperature, reaction pressure 3.5MPa, density of hydrogen 3700ppm of annular-pipe reactor are controlled, instead
It is 1.2h between seasonable, prepares homopolypropylene resin E.
Clarifier uses the nucleant agent N X8000 of Milliken Co.'s production.
Antioxidant uses the compound antioxidant of the antioxidant 1010 that Guangzhou is in and company produces and irgasfos 168.
Acid absorbent is in the calcium stearate produced with company using Guangzhou.
Addition melt index is 22g/10min, bending modulus 800MPa, simply supported beam notch impact strength are 8.5KJ/
m2, mist degree be 9% A100 part of propylene-ethylene impact copolymer powder, addition melt index be 20g/10min, bending modulus is
1700MPa, simply supported beam notch impact strength are 2.0KJ/m2, mist degree is E20 part of Noblen powder of 30%, and is added thoroughly
Bright dose 0.3 part, 0.14 part of antioxidant, 0.03 part of acid absorbent.
Each raw material is placed in high-speed mixer and is stirred, is uniformly mixed, then twin-screw is added in uniformly mixed material and is squeezed
It is kneaded, is granulated in machine out；The extrusion temperature of double screw extruder be 205 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C,
225 DEG C, screw speed 200-300rpm, extruding pelletization obtains rigidity-toughness balanced high-transparency polypropylene composition of the present invention.
Embodiment 3
Rigidity-toughness balanced high-transparency polypropylene composition provided in this embodiment, is made of the raw material of following proportion by weight:
The propylene-ethylene impact copolymer B is made by following methods: use Spheripol process unit, with propylene,
Hydrogen and ethylene are raw material, are added in annular-pipe reactor, and catalyst DQC-602, co-catalyst TEAL, electron donor is added
DONOR-C2 and antistatic agent Atmer163, stirs evenly and is reacted.Wherein additive amount: catalyst DQC-602 is according to yield
40kg/ tons of additions；TEAL/ (propylene)=0.16；TEAL/DONOR=10；Antistatic agent Atmer163 is 2~3kg/h.Control
71 DEG C of annular-pipe reactor reaction temperature, reaction pressure 3.5MPa, density of hydrogen 3900ppm, reaction time 1.2h, ethylene
Content is 4~6wt%, prepares propylene-ethylene impact copolymer B.
The Noblen E is made by following methods: being used Basell polymarization method for prodcing polyacrylates process units, is connected at two
Liquid phase annular-pipe reactor in, using propylene and hydrogen as raw material, and catalyst DQC-401, co-catalyst TEAL, electron is added
Body DONOR-C1 and antistatic agent Atmer163, stirs evenly reacted in a loop reactor.Wherein additive amount: catalyst
DQC-401 is added according to 45kg/ tons of yield；TEAL/ (propylene)=0.18；TEAL/DONOR=11；Antistatic agent Atmer163
For 2~3kg/h.72 DEG C of reaction temperature, reaction pressure 3.5MPa, density of hydrogen 3700ppm of annular-pipe reactor are controlled, instead
It is 1.2h between seasonable, prepares homopolypropylene resin E.
Clarifier uses the nucleant agent N X8000 of Milliken Co.'s production.
Antioxidant uses the compound antioxidant of the antioxidant 1010 that Guangzhou is in and company produces and irgasfos 168.
Acid absorbent is in the calcium stearate produced with company using Guangzhou.
Addition melt index is 25g/10min, bending modulus 750MPa, simply supported beam notch impact strength are 7.6KJ/
m2, mist degree be 8% 100 parts of propylene-ethylene impact copolymer powder material B, additions melt index be 20g/10min, bending modulus
It is 2.0KJ/m for 1700MPa, simply supported beam notch impact strength2, mist degree is E20 parts of Noblen powder of 30%, and is added
0.3 part of clarifier, 0.14 part of antioxidant, 0.03 part of acid absorbent.
Each raw material is placed in high-speed mixer and is stirred, is uniformly mixed, then twin-screw is added in uniformly mixed material and is squeezed
It is kneaded, is granulated in machine out；The extrusion temperature of double screw extruder be 205 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C,
225 DEG C, screw speed 200-300rpm, extruding pelletization obtains rigidity-toughness balanced high-transparency polypropylene composition of the present invention.
Embodiment 4
Rigidity-toughness balanced high-transparency polypropylene composition provided in this embodiment, is made of the raw material of following proportion by weight:
The propylene-ethylene impact copolymer B is made by following methods: use Spheripol process unit, with propylene,
Hydrogen and ethylene are raw material, are added in annular-pipe reactor, and catalyst DQC-602, co-catalyst TEAL, electron donor is added
DONOR-C2 and antistatic agent Atmer163, stirs evenly and is reacted.Wherein additive amount: catalyst DQC-602 is according to yield
40kg/ tons of additions；TEAL/ (propylene)=0.16；TEAL/DONOR=10；Antistatic agent Atmer163 is 2~3kg/h.Control
69 DEG C of annular-pipe reactor reaction temperature, reaction pressure 3.5MPa, density of hydrogen 3900ppm, reaction time 1.2h, ethylene
Content is 4~6wt%, prepares propylene-ethylene impact copolymer B.
The Noblen F is made by following methods: being used Basell polymarization method for prodcing polyacrylates process units, is connected at two
Liquid phase annular-pipe reactor in, using propylene and hydrogen as raw material, and catalyst DQC-401, co-catalyst TEAL, electron is added
Body DONOR-C1 and antistatic agent Atmer163, stirs evenly reacted in a loop reactor.Wherein additive amount: catalyst
DQC-401 is added according to 45kg/ tons of yield；TEAL/ (propylene)=0.18；TEAL/DONOR=11；Antistatic agent Atmer163
For 2~3kg/h.74 DEG C of reaction temperature, reaction pressure 4.0MPa, density of hydrogen 4500ppm of annular-pipe reactor are controlled, instead
It is 2h between seasonable, prepares homopolypropylene resin F.
Clarifier uses the nucleant agent N X8000 of Milliken Co.'s production.
Antioxidant uses the compound antioxidant of the antioxidant 1010 that Guangzhou is in and company produces and irgasfos 168.
Acid absorbent is in the calcium stearate produced with company using Guangzhou.
Addition melt index is 25g/10min, bending modulus 750MPa, simply supported beam notch impact strength are 7.6KJ/
m2, mist degree be 8% 100 parts of propylene-ethylene impact copolymer powder material B, additions melt index be 23g/10min, bending modulus
It is 2.5KJ/m for 1500MPa, simply supported beam notch impact strength2, mist degree is F20 parts of Noblen powder of 28%, and is added
0.3 part of clarifier, 0.14 part of antioxidant, 0.03 part of acid absorbent.
Each raw material is placed in high-speed mixer and is stirred, is uniformly mixed, then twin-screw is added in uniformly mixed material and is squeezed
It is kneaded, is granulated in machine out；The extrusion temperature of double screw extruder be 205 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C,
225 DEG C, screw speed 200-300rpm, extruding pelletization obtains rigidity-toughness balanced high-transparency polypropylene composition of the present invention.
Embodiment 5
Rigidity-toughness balanced high-transparency polypropylene composition provided in this embodiment, is made of the raw material of following proportion by weight:
The propylene-ethylene impact copolymer C is made by following methods: use Spheripol process unit, with propylene,
Hydrogen and ethylene are raw material, are added in annular-pipe reactor, and catalyst DQC-602, co-catalyst TEAL, electron donor is added
DONOR-C2 and antistatic agent Atmer163, stirs evenly and is reacted.Wherein additive amount: catalyst DQC-602 is according to yield
40kg/ tons of additions；TEAL/ (propylene)=0.16；TEAL/DONOR=10；Antistatic agent Atmer163 is 2~3kg/h.Control
71 DEG C of annular-pipe reactor reaction temperature, reaction pressure 3.8MPa, density of hydrogen 4000ppm, reaction time 2h, ethylene contains
Amount is 4~6wt%, prepares propylene-ethylene impact copolymer C.
The Noblen F is made by following methods: being used Basell polymarization method for prodcing polyacrylates process units, is connected at two
Liquid phase annular-pipe reactor in, using propylene and hydrogen as raw material, and catalyst DQC-401, co-catalyst TEAL, electron is added
Body DONOR-C1 and antistatic agent Atmer163, stirs evenly reacted in a loop reactor.Wherein additive amount: catalyst
DQC-401 is added according to 45kg/ tons of yield；TEAL/ (propylene)=0.18；TEAL/DONOR=11；Antistatic agent Atmer163
For 2~3kg/h.74 DEG C of reaction temperature, reaction pressure 4.0MPa, density of hydrogen 4500ppm of annular-pipe reactor are controlled, instead
It is 2h between seasonable, prepares homopolypropylene resin F.Clarifier uses the nucleant agent N X8000 of Milliken Co.'s production.
Antioxidant uses the compound antioxidant of the antioxidant 1010 that Guangzhou is in and company produces and irgasfos 168.
Acid absorbent is in the calcium stearate produced with company using Guangzhou.
Be added melt index be 28g/10min, bending modulus 700MPa, simply supported beam notch impact strength be 6.5KJ/
m2, mist degree be 6% C100 part of propylene-ethylene impact copolymer powder, addition melt index be 23g/10min, bending modulus
It is 2.5KJ/m for 1500MPa, simply supported beam notch impact strength2, mist degree is F20 parts of Noblen powder of 28%, and is added
0.3 part of clarifier, 0.14 part of antioxidant, 0.03 part of acid absorbent.
Each raw material is placed in high-speed mixer and is stirred, is uniformly mixed, then twin-screw is added in uniformly mixed material and is squeezed
It is kneaded, is granulated in machine out；The extrusion temperature of double screw extruder be 205 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C,
225 DEG C, screw speed 200-300rpm, extruding pelletization obtains rigidity-toughness balanced high-transparency polypropylene composition of the present invention.
Embodiment 6
Rigidity-toughness balanced high-transparency polypropylene composition provided in this embodiment, is made of the raw material of following proportion by weight:
The propylene-ethylene impact copolymer B is made by following methods: use Spheripol process unit, with propylene,
Hydrogen and ethylene are raw material, are added in annular-pipe reactor, and catalyst DQC-602, co-catalyst TEAL, electron donor is added
DONOR-C2 and antistatic agent Atmer163, stirs evenly and is reacted.Wherein additive amount: catalyst DQC-602 is according to yield
40kg/ tons of additions；TEAL/ (propylene)=0.16；TEAL/DONOR=10；Antistatic agent Atmer163 is 2~3kg/h.Control
71 DEG C of annular-pipe reactor reaction temperature, reaction pressure 3.5MPa, density of hydrogen 3900ppm, reaction time 1.2h, ethylene
Content is 4~6wt%, prepares propylene-ethylene impact copolymer B.
The Noblen E is made by following methods: being used Basell polymarization method for prodcing polyacrylates process units, is connected at two
Liquid phase annular-pipe reactor in, using propylene and hydrogen as raw material, and catalyst DQC-401, co-catalyst TEAL, electron is added
Body DONOR-C1 and antistatic agent Atmer163, stirs evenly reacted in a loop reactor.Wherein additive amount: catalyst
DQC-401 is added according to 45kg/ tons of yield；TEAL/ (propylene)=0.18；TEAL/DONOR=11；Antistatic agent Atmer163
For 2~3kg/h.72 DEG C of reaction temperature, reaction pressure 3.5MPa, density of hydrogen 3700ppm of annular-pipe reactor are controlled, instead
It is 1.2h between seasonable, prepares homopolypropylene resin E.
Clarifier uses the nucleant agent N X8000 of Milliken Co.'s production.
Antioxidant uses the compound antioxidant of the antioxidant 1010 that Guangzhou is in and company produces and irgasfos 168.
Acid absorbent is in the calcium stearate produced with company using Guangzhou.
Addition melt index is 25g/10min, bending modulus 750MPa, simply supported beam notch impact strength are 7.6KJ/
m2, mist degree be 8% 100 parts of propylene-ethylene impact copolymer powder material B, additions melt index be 20g/10min, bending modulus
It is 2.0KJ/m for 1700MPa, simply supported beam notch impact strength2, mist degree is E10 parts of Noblen powder of 30%, and is added
0.2 part of clarifier, 0.13 part of antioxidant, 0.02 part of acid absorbent.
Each raw material is placed in high-speed mixer and is stirred, is uniformly mixed, then twin-screw is added in uniformly mixed material and is squeezed
It is kneaded, is granulated in machine out；The extrusion temperature of double screw extruder be 205 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C,
225 DEG C, screw speed 200-300rpm, extruding pelletization obtains rigidity-toughness balanced high-transparency polypropylene composition of the present invention.
Embodiment 7
Rigidity-toughness balanced high-transparency polypropylene composition provided in this embodiment, is made of the raw material of following proportion by weight:
The propylene-ethylene impact copolymer B is made by following methods: use Spheripol process unit, with propylene,
Hydrogen and ethylene are raw material, are added in annular-pipe reactor, and catalyst DQC-602, co-catalyst TEAL, electron donor is added
DONOR-C2 and antistatic agent Atmer163, stirs evenly and is reacted.Wherein additive amount: catalyst DQC-602 is according to yield
40kg/ tons of additions；TEAL/ (propylene)=0.16；TEAL/DONOR=10；Antistatic agent Atmer163 is 2~3kg/h.Control
69 DEG C of annular-pipe reactor reaction temperature, reaction pressure 3.5MPa, density of hydrogen 3900ppm, reaction time 1.2h, ethylene
Content is 4~6wt%, prepares propylene-ethylene impact copolymer B.
The Noblen E is made by following methods: being used Basell polymarization method for prodcing polyacrylates process units, is connected at two
Liquid phase annular-pipe reactor in, using propylene and hydrogen as raw material, and catalyst DQC-401, co-catalyst TEAL, electron is added
Body DONOR-C1 and antistatic agent Atmer163, stirs evenly reacted in a loop reactor.Wherein additive amount: catalyst
DQC-401 is added according to 45kg/ tons of yield；TEAL/ (propylene)=0.18；TEAL/DONOR=11；Antistatic agent Atmer163
For 2~3kg/h.70 DEG C of reaction temperature, reaction pressure 3.5MPa, density of hydrogen 3700ppm of annular-pipe reactor are controlled, instead
It is 1.2h between seasonable, prepares homopolypropylene resin E.
Clarifier uses the nucleant agent N X8000 of Milliken Co.'s production.
Antioxidant uses the compound antioxidant of the antioxidant 1010 that Guangzhou is in and company produces and irgasfos 168.
Acid absorbent is in the calcium stearate produced with company using Guangzhou.
Addition melt index is 25g/10min, bending modulus 750MPa, simply supported beam notch impact strength are 7.6KJ/
m2, mist degree be 8% 100 parts of propylene-ethylene impact copolymer powder material B, additions melt index be 20g/10min, bending modulus
It is 2.0KJ/m for 1700MPa, simply supported beam notch impact strength2, mist degree is E15 parts of Noblen powder of 30%, and is added
0.3 part of clarifier, 0.15 part of antioxidant, 0.03 part of acid absorbent.
Each raw material is placed in high-speed mixer and is stirred, is uniformly mixed, then twin-screw is added in uniformly mixed material and is squeezed
It is kneaded, is granulated in machine out；The extrusion temperature of double screw extruder be 205 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C,
225 DEG C, screw speed 200-300rpm, extruding pelletization obtains rigidity-toughness balanced high-transparency polypropylene composition of the present invention.
Embodiment 8
Rigidity-toughness balanced high-transparency polypropylene composition provided in this embodiment, is made of the raw material of following proportion by weight:
The propylene-ethylene impact copolymer B is made by following methods: use Spheripol process unit, with propylene,
Hydrogen and ethylene are raw material, are added in annular-pipe reactor, and catalyst DQC-602, co-catalyst TEAL, electron donor is added
DONOR-C2 and antistatic agent Atmer163, stirs evenly and is reacted.Wherein additive amount: catalyst DQC-602 is according to yield
40kg/ tons of additions；TEAL/ (propylene)=0.16；TEAL/DONOR=10；Antistatic agent Atmer163 is 2~3kg/h.Control
71 DEG C of annular-pipe reactor reaction temperature, reaction pressure 3.5MPa, density of hydrogen 3900ppm, reaction time 1.2h, ethylene
Content is 4~6wt%, prepares propylene-ethylene impact copolymer B.
The Noblen E is made by following methods: being used Basell polymarization method for prodcing polyacrylates process units, is connected at two
Liquid phase annular-pipe reactor in, using propylene and hydrogen as raw material, and catalyst DQC-401, co-catalyst TEAL, electron is added
Body DONOR-C1 and antistatic agent Atmer163, stirs evenly reacted in a loop reactor.Wherein additive amount: catalyst
DQC-401 is added according to 45kg/ tons of yield；TEAL/ (propylene)=0.18；TEAL/DONOR=11；Antistatic agent Atmer163
For 2~3kg/h.72 DEG C of reaction temperature, reaction pressure 3.5MPa, density of hydrogen 3700ppm of annular-pipe reactor are controlled, instead
It is 1.2h between seasonable, prepares homopolypropylene resin E.
Clarifier uses the nucleant agent N X8000 of Milliken Co.'s production.
Antioxidant uses the compound antioxidant of the antioxidant 1010 that Guangzhou is in and company produces and irgasfos 168.
Acid absorbent is in the calcium stearate produced with company using Guangzhou.
Addition melt index is 25g/10min, bending modulus 750MPa, simply supported beam notch impact strength are 7.6KJ/
m2, mist degree be 8% 100 parts of propylene-ethylene impact copolymer powder material B, additions melt index be 20g/10min, bending modulus
It is 2.0KJ/m for 1700MPa, simply supported beam notch impact strength2, mist degree is E25 parts of Noblen powder of 30%, and is added
0.4 part of clarifier, 0.16 part of antioxidant, 0.04 part of acid absorbent.
Each raw material is placed in high-speed mixer and is stirred, is uniformly mixed, then twin-screw is added in uniformly mixed material and is squeezed
It is kneaded, is granulated in machine out；The extrusion temperature of double screw extruder be 205 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C,
225 DEG C, screw speed 200-300rpm, extruding pelletization obtains rigidity-toughness balanced high-transparency polypropylene composition of the present invention.
The raw material proportioning situation of embodiment 1-8 composition is as shown in table 1.
The raw material proportioning (mass fraction) of 1 embodiment 1-8 of table
Powder A-F design parameter is as shown in table 2.
Electron donor DONOR-C1, DONOR-C2 indicates two different Cyclohexyl-methyl-dimethoxysilanes above.
The rigidity-toughness balanced high-transparency polypropylene composition that will be obtained, in the K-TEC85 type of German MILACRON company production
Processability test sample is molded on injection (mo(u)lding) machine.
Carry out test performance according to respective country standard method of test:
Melt mass flow rate (MFR): it is carried out by GB/T 3682-2000, counterweight 2.16kg, 230 DEG C of temperature；
Mist degree is tested according to GB/T 2410-2008, thickness of sample 1mm；
Simply supported beam notch impact strength is tested according to GB/T 1043-2008；
Bending modulus is tested according to GB/T 9341-2008.
The composition prepared according to the component proportion of embodiment 1-8 tests its results of property and is shown in Table 3 through extruding pelletization.
The composition basic performance of 3 embodiment 1-8 of table preparation
Above-described embodiment is of the invention for example, being not intended to limit the invention.Shown wherein by above-mentioned experiment
Embodiment 3 is optimum quality ratio, and the bending modulus of the rigidity-toughness balanced high-transparency polypropylene manufactured by this method is not less than
900MPa, impact strength are not less than 6.0KJ/m2, mist degree be not higher than 12%, excellent high bending die can be had both well
Amount, high impact and transparency.
In above example, other types that antioxidant, clarifier, acid absorbent use Summary to recommend,
Similar effect can be obtained.
Rigidity-toughness balanced high-transparency polypropylene composition of the present invention takes into account the high grade of transparency and rigidity-toughness balanced feature, right
It is had a very important significance in the application field for expanding polypropylene material.
Claims (9)
1. a kind of rigidity-toughness balanced high-transparency polypropylene composition, which is characterized in that the composition is mainly matched by following mass parts
The raw material melting mixing of ratio is made:
2. composition according to claim 1, which is characterized in that the bending modulus of the composition is not less than 900MPa,
Impact strength is not less than 6.0KJ/m2, mist degree is not higher than 12%.
3. composition according to claim 1, which is characterized in that the melt quality of the propylene-ethylene impact copolymer
Flow rate range is 22~28g/10min, and bending modulus range is 700~800MPa, simply supported beam notch impact strength range
For 6.5~8.5KJ/m2, mist degree is 6~9%.
4. composition according to claim 3, which is characterized in that the propylene-ethylene impact copolymer is by following methods
It is made: using Spheripol process unit, using propylene, hydrogen and ethylene as raw material, add raw materials into Spheripol technique dress
In the annular-pipe reactor set, and catalyst, co-catalyst, electron donor and antistatic agent is added, controls the annular-pipe reactor
70 ± 1 DEG C of reaction temperature, reaction pressure be 3.4~3.8MPa, density of hydrogen be 3800~4000ppm, the reaction time be 1~
2h, ethylene contents are 4~6wt%, prepare the propylene-ethylene impact copolymer.
5. composition according to claim 1, which is characterized in that the melt mass flow rate model of the Noblen
It encloses for 18~23g/10min, bending modulus range is 1500~2200MPa, simply supported beam notch impact strength range is 1.5~
2.5KJ/m2, mist degree is 28~34%.
6. composition according to claim 5, which is characterized in that the Noblen is made by following methods: using
Basell polymarization method for prodcing polyacrylates process units, in its concatenated two liquid phase annular-pipe reactor, using propylene and hydrogen as raw material, and
Catalyst, co-catalyst, electron donor and antistatic agent is added, controls the reaction temperature 72 ± 2 of the liquid phase annular-pipe reactor
DEG C, reaction pressure is 3.4~4.0MPa, and density of hydrogen is 3500~4500ppm, and the reaction time is that 1~2h prepares the propylene
Homopolymer.
7. composition according to claim 1, which is characterized in that the clarifier using Milliken Co. production at
The core agent NX8000 or nucleant agent N A-1 that Guangzhou is in and company produces.
8. composition according to claim 1, which is characterized in that the antioxidant is phenolic antioxidant and phosphoric acid ester
The compound that antioxidant is mixed by weight 1:1；Wherein the phenolic antioxidant uses antioxidant 1010 and/or antioxidant 330；
The phosphoric acid ester antioxidant uses irgasfos 168 and/or antioxidant 626.
9. composition according to claim 1, which is characterized in that the acid absorbent using calcium stearate, zinc stearate,
One or more combination in aluminate hydrates magnesium carbonate.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110746702A (en) * | 2019-10-30 | 2020-02-04 | 中国石油化工股份有限公司 | Polypropylene composition and preparation method thereof |
| CN112409681A (en) * | 2019-08-23 | 2021-02-26 | 中国石油化工股份有限公司 | Polypropylene composition and preparation method thereof |
| CN113698521A (en) * | 2021-07-26 | 2021-11-26 | 中国石化中原石油化工有限责任公司 | Polypropylene copolymer, product and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5674630A (en) * | 1995-05-08 | 1997-10-07 | Union Carbide Chemicals & Plastics Technology Corporation | Polymer compositions and cast films |
| CN105623073A (en) * | 2014-10-27 | 2016-06-01 | 中国石油天然气股份有限公司 | Method for improving properties of polypropylene material or product thereof |
| CN107540953A (en) * | 2016-06-28 | 2018-01-05 | 中国石油化工股份有限公司 | Injector for medical purpose polypropylene resin composite and preparation method thereof |
-
2018
- 2018-10-09 CN CN201811171009.3A patent/CN109486031A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5674630A (en) * | 1995-05-08 | 1997-10-07 | Union Carbide Chemicals & Plastics Technology Corporation | Polymer compositions and cast films |
| CN105623073A (en) * | 2014-10-27 | 2016-06-01 | 中国石油天然气股份有限公司 | Method for improving properties of polypropylene material or product thereof |
| CN107540953A (en) * | 2016-06-28 | 2018-01-05 | 中国石油化工股份有限公司 | Injector for medical purpose polypropylene resin composite and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409681A (en) * | 2019-08-23 | 2021-02-26 | 中国石油化工股份有限公司 | Polypropylene composition and preparation method thereof |
| CN110746702A (en) * | 2019-10-30 | 2020-02-04 | 中国石油化工股份有限公司 | Polypropylene composition and preparation method thereof |
| CN110746702B (en) * | 2019-10-30 | 2022-07-05 | 中国石油化工股份有限公司 | Polypropylene composition and preparation method thereof |
| CN113698521A (en) * | 2021-07-26 | 2021-11-26 | 中国石化中原石油化工有限责任公司 | Polypropylene copolymer, product and preparation method thereof |
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