CN106905604A - A kind of preparation method of polypropene composition - Google Patents

A kind of preparation method of polypropene composition Download PDF

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Publication number
CN106905604A
CN106905604A CN201510981998.2A CN201510981998A CN106905604A CN 106905604 A CN106905604 A CN 106905604A CN 201510981998 A CN201510981998 A CN 201510981998A CN 106905604 A CN106905604 A CN 106905604A
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melt flow
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CN106905604B (en
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吴杰
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Ningbo Compx Electrical Industrial Co.,Ltd.
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Ningbo Dasheng Household Products Co Ltd
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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
    • C08L23/12—Polypropene
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The invention discloses a kind of polypropene composition, it is characterised in that：It is made up of the component of following weight portion, PP-1：80~85；PP-2：10~15；Maleic anhydride inoculated polypropylene：5~10；Ethylene propylene copolymer：10-15；POE：10-15；HDPE:10-20；Talcum powder：40-50；Coupling agent：0.1-1；Antioxidant：0.5-1.0；UV resistant agent：0.1-0.3；Colorant：1-3；Wherein, PP-1 is heterophasic polypropylene, its melt flow MFR2(230 DEG C, 2.16kg) are not less than 100g/10min, are determined according to ISO 1133；PP-2 is crystalline propylene's homopolymers, its melt flow MFR2(230 DEG C, 2.16kg) are not more than 15g/10min, are determined according to ISO 1133；The melt flow MFR of HDPE2(190 DEG C, 2.16kg) scope is 5-8g/10min, is determined according to ISO 1133；Also disclose the preparation method of the polypropene composition.

Description

A kind of preparation method of polypropene composition
Technical field
The invention belongs to technical field of polymer materials, and in particular to a kind of preparation of polypropene composition Method.
Background technology
Polypropylene is one of five big resins for universal use, with light weight, easy processing, chemical-resistant resistance Property by force wait good characteristic, obtained in industrial circles such as chemical industry, electrical equipment, automobile making, packagings It is widely applied.In automobile manufacturing field, modified polypropene series material is a kind of sexual valence The new material high than very, it improves the comprehensive physical performance of base polypropylene resin, resistance to Creep properties, dimensional stability, with high tenacity, high rigidity, excellent heat resistance is ageing-resistant Property and good lower temperature resistance and impact strength higher, but changing of using in automobile making at present Property polypropylene be still present raising excellent toughness, rigidity, shock resistance while, it is necessary to carry The requirement of its scraping and wiping resistance performance high.
The content of the invention
It is an object of the invention to provide a kind of preparation method of polypropene composition, said composition is in tool While having excellent toughness, rigidity, shock resistance, with good scraping and wiping resistance performance.
The preparation method of the polypropene composition is provided simultaneously.
Technical scheme is as follows：
A kind of preparation method of polypropene composition, the polypropene composition by following weight portion group It is grouped into,
Wherein, PP-1 is heterophasic polypropylene, its melt flow MFR2(230 DEG C, 2.16kg) are not small In 100g/10min, determined according to ISO 1133；
PP-2 is crystalline propylene's homopolymers, its melt flow MFR2(230 DEG C, 2.16kg) are little In 15g/10min, determined according to ISO 1133；
The melt flow MFR of HDPE2(190 DEG C, 2.16kg) scope is 5-8g/10min, according to ISO 1133 is determined；
The antioxidant is antioxidant 1010 and 168, wherein antioxidant 1010 and 168 weight ratio Example is 2：1-1：1.
The UV resistant agent is hindered phenol or hindered amines UV resistant agent；Coupling agent is silane coupled Agent；Colorant is carbon black or titanium dioxide；
The PP-1 is heterophasic polypropylene, its melt flow MFR2(230 DEG C, 2.16kg) are not small In 160g/10min, determined according to ISO 1133；PP-2 is crystalline propylene's homopolymers, its Melt flow MFR2(230 DEG C, 2.16kg) are not more than 10g/10min, according to ISO 1133 Determine；The melt flow MFR of HDPE2(190 DEG C, 2.16kg) scope is 7-8g/10min, Determined according to ISO 1133；
The density of the HDPE is 0.98-0.99g/cm2。
The preparation method comprises the following steps：
A () weighs foregoing each component after, by talcum powder and coupling agent under 800-1000 revs/min of speed After mixing 10-15min, rest on stand-by in high-speed mixer；
B () adds remaining ingredient the material mixed in step (a), 200-300 revs/min of low speed to stir, Blending 30-40min；
C material that () will mix in step (b) is added in double screw extruder, and it is suitable to set Temperature and rotating speed, make material extrude in the molten state, and by cold water stretching and granulation, screening, Pack after the assay was approved, be put in storage.
Preferably, the design temperature of double screw extruder is：190-195 DEG C of head；Nine area 200-215 ℃；Eight 220-230 DEG C of areas；Seven 220-230 DEG C of areas；Six 225-235 DEG C of areas；Five area 220-225 ℃；Four 215-220 DEG C of areas；Three 210-220 DEG C of areas；Two 200-215 DEG C of areas；One area 195-200 DEG C, rotating speed：500-600 revs/min；Frequency：35-45Hz.
The beneficial effects of the invention are as follows：
1st, by the melt flow PP's high in the range of specific melt flow and eutectic rate of flow of fluid PP Combination, improves the toughness of composition；
2nd, by the ethylene propylene copolymer from specific consumption, POE and talcum powder, While obtaining with excellent in toughness, rigidity and shock resistance, the resistance to of composition is improve Scratch performance；
3rd, by antioxidant, the addition of anti ultraviolet agent, improve the ageing-resistant performance of composition.
Specific embodiment
Technical scheme is further detailed and retouched below by way of specific embodiment State.
PP-1 is LyondellBasell Products, MFR2For (230 DEG C of 140g/10min /2.16kg)；
PP-2 is the HD915CF, MFR of of Borealis companies2For (230 DEG C of 8g/10min /2.16kg)；
PP-3 is LyondellBasell Products, MFR2It is 70g/10min (230 DEG C/2.16kg)； PP-4 is of Borealis Products, MFR2It is 20g/10min (230 DEG C/2.16kg)； HDPE is the HDPE 5070 of Liaoning Panjin petro-chemical corporation generation, and density is 0.985g/cm3, MFR2It is 6.0g/10min (190 DEG C)；
Ethylene propylene copolymer is LyondellBasell Products, is 36wt with ethylene unit %；
POE is DOW Chemical product；
Antioxidant is antioxidant 1010 and 168, and wherein part by weight of the antioxidant 1010 with 168 is 2：1；UV resistant agent is Hinered phenols UV resistant agent；Coupling agent is silane coupler；Color Expect to be carbon black；It is commercially available prod.
Embodiment 1
After (being shown in Table 1) in proportion and weighing each component, by talcum powder and coupling agent at 1000 revs/min After mixing 15min under speed, rest on stand-by in high-speed mixer；
B () remaining ingredient is added the material mixed in step (a), 250 revs/min of stirrings of low speed are common Mixed 35min；
C material that () will mix in step (b) is added in double screw extruder, and it is suitable to set Temperature and rotating speed, make material extrude in the molten state, and by cold water stretching and granulation.
Wherein, the design temperature of double screw extruder is：195 DEG C of head；Nine 215 DEG C of areas；8th area 225；Seven 225 DEG C of areas；Six 230 DEG C of areas；Five 225 DEG C of areas；Four 220 DEG C of areas；Three areas 215 ℃；Two 210 DEG C of areas；One 195 DEG C of area, rotating speed：600 revs/min；Frequency：35Hz.
Performance test is carried out by sample is made after the heating melting of above-mentioned Polypropylene compositions composition granule, it is every Performance is shown in Table 1.
The preparation method of embodiment 2-4 and comparative example 1-5 is same as Example 1, and its each component is used Amount and properties of product are shown in Table 1.
Table 1：
Tensile strength and elongation at break use GB/T1040.2-2006/1A/50 standard testings, impact Intensity uses GB/T 1043-1993 standard testings, and shore D hardness uses GB/T 2411-1980 (15s) standard testing.
By above-described embodiment and comparative example, using the polypropene composition system in embodiment 1-4 Standby product, with hardness high, shows while with excellent in toughness, shock resistance It has good scraping and wiping resistance performance, can be good at for preparing the automobiles such as backplate, cover plate zero Part；Composition in comparative example 1, as a result of not being polypropylene in the scope of the invention, Cause its shock resistance and hardness reduction, the composition in comparative example 2 is common due to ethylene, propylene Polymers and POE consumption are very few, cause its toughness and shock resistance reduction, than Compared with the composition in example 3 because ethylene propylene copolymer and POE consumption are too high, Although its toughness is higher, its hardness is too low, the composition in comparative example 4, due to talcum powder Consumption is very few, causes its hardness too low；Composition in comparative example 5, due to amount of talc Excessively, although its hardness is high, but its toughness is substantially too low, it is unsatisfactory for requiring.It can be seen that comparative example Product prepared by the polypropene composition in 1-5 can not have toughness, the shock resistance of balance And scraping and wiping resistance performance, cause in actual applications not as the function admirable of product of the present invention.
The above, only presently preferred embodiments of the present invention, therefore can not limit according to this of the invention real The scope applied, i.e., the equivalence changes made according to the scope of the claims of the present invention and description with repair Decorations, all should still belong in the range of the present invention covers.

Claims (2)

1. a kind of preparation method of polypropene composition, it is characterised in that：The polypropene composition by The component composition of following weight portion,
Wherein, PP-1 is heterophasic polypropylene, its melt flow MFR2(230 DEG C, 2.16kg) are not small In 100g/10min, determined according to ISO 1133；
PP-2 is crystalline propylene's homopolymers, its melt flow MFR2(230 DEG C, 2.16kg) are little In 15g/10min, determined according to ISO 1133；
The melt flow MFR of HDPE2(190 DEG C, 2.16kg) scope is 5-8g/10min, according to ISO 1133 is determined；
The antioxidant is antioxidant 1010 and 168, wherein antioxidant 1010 and 168 weight ratio Example is 2：1-1：1.
The UV resistant agent is hindered phenol or hindered amines UV resistant agent；Coupling agent is silane coupled Agent；Colorant is carbon black or titanium dioxide；
The PP-1 is heterophasic polypropylene, its melt flow MFR2(230 DEG C, 2.16kg) are not small In 160g/10min, determined according to ISO 1133；PP-2 is crystalline propylene's homopolymers, its Melt flow MFR2(230 DEG C, 2.16kg) are not more than 10g/10min, according to ISO 1133 Determine；The melt flow MFR of HDPE2(190 DEG C, 2.16kg) scope is 7-8g/10min, Determined according to ISO 1133；
The density of the HDPE is 0.98-0.99g/cm2。
The preparation method comprises the following steps：
A () weighs foregoing each component after, by talcum powder and coupling agent under 800-1000 revs/min of speed After mixing 10-15min, rest on stand-by in high-speed mixer；
B () adds remaining ingredient the material mixed in step (a), 200-300 revs/min of low speed to stir, Blending 30-40min；
C material that () will mix in step (b) is added in double screw extruder, and it is suitable to set Temperature and rotating speed, make material extrude in the molten state, and by cold water stretching and granulation, screening, Pack after the assay was approved, be put in storage.
2. a kind of preparation method of polypropene composition as claimed in claim 1, it is characterised in that： The design temperature of double screw extruder is：190-195 DEG C of head；Nine 200-215 DEG C of areas；Eight 220-230 DEG C of area；Seven 220-230 DEG C of areas；Six 225-235 DEG C of areas；Five 220-225 DEG C of areas； Four 215-220 DEG C of areas；Three 210-220 DEG C of areas；Two 200-215 DEG C of areas；One 195-200 DEG C of area, Rotating speed：500-600 revs/min；Frequency：35-45Hz.
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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102056980A (en) * 2007-12-17 2011-05-11 波利亚里斯技术有限公司 Heterophasic polypropylene with high flowability and excellent low temperature impact properties
EP2557117A1 (en) * 2011-08-11 2013-02-13 Borealis AG Composition with improved scratch visibility and low surface tack
CN103080212A (en) * 2010-08-27 2013-05-01 北欧化工公司 Stiff polypropylene composition with excellent elongation at break
CN103073783A (en) * 2011-10-25 2013-05-01 昆山博富新材料科技股份有限公司 Polypropylene-high molecular weight high density polyethylene-filling material blend and preparation method thereof
CN103131086A (en) * 2011-12-02 2013-06-05 合肥杰事杰新材料股份有限公司 Scraping-resistant polypropylene combination with good appearance and manufacturing method and application thereof
EP2669329A1 (en) * 2012-06-01 2013-12-04 Basell Poliolefine Italia S.r.l. Mineral-filled polypropylene composition for foaming
CN104066782A (en) * 2012-02-01 2014-09-24 博里利斯股份公司 Talc containing polypropylene composition with excellent thermomechanical properties
CN104204070A (en) * 2012-04-04 2014-12-10 北欧化工公司 High-flow fiber reinforced polypropylene composition
CN104558850A (en) * 2007-02-28 2015-04-29 住友化学株式会社 Polypropylene resin composition and molded body

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104558850A (en) * 2007-02-28 2015-04-29 住友化学株式会社 Polypropylene resin composition and molded body
CN102056980A (en) * 2007-12-17 2011-05-11 波利亚里斯技术有限公司 Heterophasic polypropylene with high flowability and excellent low temperature impact properties
CN103080212A (en) * 2010-08-27 2013-05-01 北欧化工公司 Stiff polypropylene composition with excellent elongation at break
EP2557117A1 (en) * 2011-08-11 2013-02-13 Borealis AG Composition with improved scratch visibility and low surface tack
CN103073783A (en) * 2011-10-25 2013-05-01 昆山博富新材料科技股份有限公司 Polypropylene-high molecular weight high density polyethylene-filling material blend and preparation method thereof
CN103131086A (en) * 2011-12-02 2013-06-05 合肥杰事杰新材料股份有限公司 Scraping-resistant polypropylene combination with good appearance and manufacturing method and application thereof
CN104066782A (en) * 2012-02-01 2014-09-24 博里利斯股份公司 Talc containing polypropylene composition with excellent thermomechanical properties
CN104204070A (en) * 2012-04-04 2014-12-10 北欧化工公司 High-flow fiber reinforced polypropylene composition
EP2669329A1 (en) * 2012-06-01 2013-12-04 Basell Poliolefine Italia S.r.l. Mineral-filled polypropylene composition for foaming

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Patentee before: Yuyao Feite Plastic Co.,Ltd.