CN106046479A - High carbon black dispersity polyethylene aggregates and preparation method thereof - Google Patents

High carbon black dispersity polyethylene aggregates and preparation method thereof Download PDF

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Publication number
CN106046479A
CN106046479A CN201610419446.7A CN201610419446A CN106046479A CN 106046479 A CN106046479 A CN 106046479A CN 201610419446 A CN201610419446 A CN 201610419446A CN 106046479 A CN106046479 A CN 106046479A
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carbon black
pellet
black
masterbatch
polyethylene
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CN106046479B (en
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曾诚
邓连天
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Cnpec Tuopu (sichuan) New Material Co Ltd
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Cnpec Tuopu (sichuan) New Material 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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/223—Packed additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • 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
    • 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
    • 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
    • C08L2207/066—LDPE (radical process)

Abstract

The invention discloses high carbon black dispersity polyethylene aggregates which are characterized by being prepared from, by weight parts, 100 parts of polyethylene resin aggregates, 0.2-0.5 part of polyethylene wax, 0.2-0.5 part of complex antioxidant and 2-10 parts of black masterbatch. Medium and low structure carbon black is adopted in the black masterbatch, and the content of carbon black is 40%. The invention further provides a method for preparing the high carbon black dispersity polyethylene aggregates. A strong force shearing effect of a twin-screw extruder is adopted to manufacture pre-dispersed color masterbatch, the pre-dispersed color masterbatch and the polyethylene resin aggregates undergo blending and extrusion through a single screw extruder, and the dispersity of the carbon black is improved and can reach 6 or over.

Description

A kind of high carbon black dispension degree polyethylene pellet and preparation method thereof
Technical field
The present invention relates to polyethylene pellet preparing technical field, particularly relate to a kind of high carbon black dispension degree polyethylene pellet and Its preparation method.
Background technology
Prior art produces black polyethylene tubing preparation method and has two kinds: the first is to use mixed ingredients, mixed ingredients It is to add necessary antioxidant, ultra-violet stabilizer and pigment, by stable composition in building-up process with polyethylene base resin System adds together with pigment, it is ensured that the uniformity of mark, but cost is the highest；The second is to use primary colors material Add color masterbatch to produce polyvinyl piping materials, it is to be ensured that color masterbatch is uniformly dispersed, and select the satisfactory polyethylene tube of content of carbon black The special color masterbatch of material, is preferably the color masterbatch of the master batch formulation with the trade mark.If selecting color masterbatch improper or dispersion inequality, to polyethylene tube Will there be serious impact in the use intensity of material and life-span.
Summary of the invention
It is an object of the invention to provide a kind of high carbon black dispension degree polyethylene pellet preparation method, use the method to prepare The carbon black dispension degree of high carbon black dispension degree polyethylene pellet up to more than 6 points.
The technical solution used in the present invention is:
A kind of high carbon black dispension degree polyethylene pellet, it is characterised in that be made up of the raw material of following parts by weight,
Polyvinyl resin pellet 100 parts,
Tissuemat E 0.2 ~ 0.5 part,
Composite antioxidant 0.2 ~ 0.5 part,
Black Masterbatch 2 ~ 10 parts,
Described polyvinyl resin pellet uses ldpe resin and the compounding composition of high-density polyethylene resin, and low-density The weight ratio of polyvinyl resin and high-density polyethylene resin is 1:1,
Low structure carbon black in using in described black Masterbatch, content of carbon black is 40%.
Further, described composite antioxidant is the compounding composition of antioxidant 1010 and irgasfos 168, and antioxidant 1010 and The weight ratio of irgasfos 168 is 1:1.
Further, described raw material dosage is
Polyvinyl resin pellet 100 parts,
Tissuemat E 0.3 part,
Composite antioxidant 0.3 part,
Black Masterbatch 6 parts.
The preparation method of a kind of high carbon black dispension degree polyethylene pellet, it is characterised in that comprise the steps of,
S1: all raw materials are carried out low-temperature vacuum drying process, is no less than 24h drying time；
S2: polyvinyl resin pellet and the Tissuemat E of the weight such as black color masterbatch and black color masterbatch are placed in the most mixed In conjunction machine, then first low speed premix, then mixed at high speed, total incorporation time 3 ~ 5min；
S3: the mixture of the black color masterbatch of mix homogeneously, polyvinyl resin pellet and Tissuemat E in previous step is placed in In double screw extruder hopper, carry out twin screw and melt extrude pelletize, melt temperature 150 ~ 210 DEG C, prepare pre-dispersed color masterbatch, Then using low-temperature vacuum drying to process pre-dispersed color masterbatch, drying time is no less than 24h；
S4: the pre-dispersed color masterbatch prepared in previous step, remaining polyvinyl resin pellet and composite antioxidant are placed in height In speed mixer, then first low speed premix, then mixed at high speed, total incorporation time 3 ~ 5min；
S5: by the pre-dispersed color masterbatch of mix homogeneously, polyvinyl resin pellet and the mixture of composite antioxidant in previous step It is placed in single screw extrusion machine hopper, carries out single screw rod and melt extrude pelletize, melt temperature 150 ~ 210 DEG C, prepare high white carbon black and divide Divergence polyethylene pellet, then uses low-temperature vacuum drying to process high carbon black dispension degree polyethylene pellet, is no less than drying time 24h。
The invention has the beneficial effects as follows:
The present invention contains the black Masterbatch of middle low structure carbon black in using be raw material, utilizes the strong shear of double screw extruder to make With making pre-dispersed color masterbatch, then use single screw extrusion machine blending extrusion with polyvinyl resin pellet, improve white carbon black Dispersion, up to more than 6 points.
Detailed description of the invention
In order to the advantage making the purpose of the present invention and technical scheme is clearer, below in conjunction with example, to the present invention It is further elaborated.
Implement row one
A kind of high carbon black dispension degree polyethylene pellet, it is characterised in that be made up of the raw material of following parts by weight,
Ldpe resin pellet 50 parts,
High-density polyethylene resin pellet 50 parts,
Tissuemat E 0.2 part,
Antioxidant 1010 0.1 part,
Irgasfos 168 0.1 part
Black Masterbatch 2 parts.
Low structure carbon black in using in described black Masterbatch, content of carbon black is 40%.
The preparation method of a kind of high carbon black dispension degree polyethylene pellet, it is characterised in that comprise the steps of,
S1: all raw materials are carried out low-temperature vacuum drying process, is no less than 24h drying time；
S2: polyvinyl resin pellet and the Tissuemat E of the weight such as black color masterbatch and black color masterbatch are placed in the most mixed In conjunction machine, then first low speed premix, then mixed at high speed, total incorporation time 3 ~ 5min；
S3: the mixture of the black color masterbatch of mix homogeneously, polyvinyl resin pellet and Tissuemat E in previous step is placed in In double screw extruder hopper, carry out twin screw and melt extrude pelletize, melt temperature 150 ~ 210 DEG C, prepare pre-dispersed color masterbatch, Then using low-temperature vacuum drying to process pre-dispersed color masterbatch, drying time is no less than 24h；
S4: the pre-dispersed color masterbatch prepared in previous step, remaining polyvinyl resin pellet and composite antioxidant are placed in height In speed mixer, then first low speed premix, then mixed at high speed, total incorporation time 3 ~ 5min；
S5: by the pre-dispersed color masterbatch of mix homogeneously, polyvinyl resin pellet and the mixture of composite antioxidant in previous step It is placed in single screw extrusion machine hopper, carries out single screw rod and melt extrude pelletize, melt temperature 150 ~ 210 DEG C, prepare high white carbon black and divide Divergence polyethylene pellet, then uses low-temperature vacuum drying to process high carbon black dispension degree polyethylene pellet, is no less than drying time 24h。
The carbon black dispension degree of high carbon black dispension degree polyethylene pellet using method made above to prepare is 6 points, and stretching is light Degree 18.3MPa, elongation at break 800%, density 0.943g/cm3, melt flow index 1.1g/10min, content of carbon black 2.4%, Oxidation induction period 46min.
Embodiment two
A kind of high carbon black dispension degree polyethylene pellet, it is characterised in that be made up of the raw material of following parts by weight,
Ldpe resin pellet 50 parts,
High-density polyethylene resin pellet 50 parts,
Tissuemat E 0.5 part,
Antioxidant 1010 0.5 part,
Irgasfos 168 0.5 part
Black Masterbatch 10 parts.
Low structure carbon black in using in described black Masterbatch, content of carbon black is 40%.
Preparation method with embodiment one, uses the white carbon black of the high carbon black dispension degree polyethylene pellet that method made above prepares Dispersion is 6 points, stretches slight 21.0MPa, elongation at break 700%, density 0.951g/cm3, melt flow index 1.0g/ 10min, content of carbon black 2.8%, oxidation induction period 54min.
Embodiment three
A kind of high carbon black dispension degree polyethylene pellet, it is characterised in that be made up of the raw material of following parts by weight,
Ldpe resin pellet 50 parts,
High-density polyethylene resin pellet 50 parts,
Tissuemat E 0.3 part,
Antioxidant 1010 0.15 part,
Irgasfos 168 0.15 part
Black Masterbatch 6 parts.
Low structure carbon black in using in described black Masterbatch, content of carbon black is 40%.
Preparation method with embodiment one, uses the white carbon black of the high carbon black dispension degree polyethylene pellet that method made above prepares Dispersion is 7 points, stretches slight 19.6MPa, elongation at break 750%, density 0.945g/cm3, melt flow index 1.0g/ 10min, content of carbon black 2.6%, oxidation induction period 87min.

Claims (4)

1. one kind high carbon black dispension degree polyethylene pellet, it is characterised in that be made up of the raw material of following parts by weight,
Polyvinyl resin pellet 100 parts,
Tissuemat E 0.2 ~ 0.5 part,
Composite antioxidant 0.2 ~ 0.5 part,
Black Masterbatch 2 ~ 10 parts,
Described polyvinyl resin pellet uses ldpe resin and the compounding composition of high-density polyethylene resin, and low-density The weight ratio of polyvinyl resin and high-density polyethylene resin is 1:1,
Low structure carbon black in using in described black Masterbatch, content of carbon black is 40%.
One the most according to claim 1 high carbon black dispension degree polyethylene pellet, it is characterised in that: described composite antioxidant Form for antioxidant 1010 and irgasfos 168 are compounding, and the weight ratio of antioxidant 1010 and irgasfos 168 is 1:1.
One the most according to claim 2 high carbon black dispension degree polyethylene pellet, it is characterised in that: described raw material dosage is
Polyvinyl resin pellet 100 parts,
Tissuemat E 0.3 part,
Composite antioxidant 0.3 part,
Black Masterbatch 6 parts.
4. the preparation method of one kind high carbon black dispension degree polyethylene pellet, it is characterised in that comprise the steps of,
S1: all raw materials are carried out low-temperature vacuum drying process, is no less than 24h drying time；
S2: polyvinyl resin pellet and the Tissuemat E of the weight such as black color masterbatch and black color masterbatch are placed in the most mixed In conjunction machine, then first low speed premix, then mixed at high speed, total incorporation time 3 ~ 5min；
S3: the mixture of the black color masterbatch of mix homogeneously, polyvinyl resin pellet and Tissuemat E in previous step is placed in In double screw extruder hopper, carry out twin screw and melt extrude pelletize, melt temperature 150 ~ 210 DEG C, prepare pre-dispersed color masterbatch, Then using low-temperature vacuum drying to process pre-dispersed color masterbatch, drying time is no less than 24h；
S4: the pre-dispersed color masterbatch prepared in previous step, remaining polyvinyl resin pellet and composite antioxidant are placed in height In speed mixer, then first low speed premix, then mixed at high speed, total incorporation time 3 ~ 5min；
S5: by the pre-dispersed color masterbatch of mix homogeneously, polyvinyl resin pellet and the mixture of composite antioxidant in previous step It is placed in single screw extrusion machine hopper, carries out single screw rod and melt extrude pelletize, melt temperature 150 ~ 210 DEG C, prepare high white carbon black and divide Divergence polyethylene pellet, then uses low-temperature vacuum drying to process high carbon black dispension degree polyethylene pellet, is no less than drying time 24h。
CN201610419446.7A 2016-06-14 2016-06-14 A kind of high carbon black dispension degree polyethylene pellet and preparation method thereof Active CN106046479B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108586909A (en) * 2018-05-15 2018-09-28 营口三赢塑胶制品有限公司 A kind of black masterbatch of mulch and preparation method thereof, black mulch film
CN113045809A (en) * 2019-12-26 2021-06-29 青岛润兴塑料新材料有限公司 Application of polyethylene black master batch in HDPE (high-density polyethylene) plastic grid
CN115160681A (en) * 2022-07-13 2022-10-11 广东九彩新材料有限公司 Low-odor high-carbon-black-content polyethylene color master batch and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101538384A (en) * 2008-03-18 2009-09-23 上海上丰集团有限公司 Polyethylene pipe workpiece for water supply
CN101747552A (en) * 2009-12-31 2010-06-23 上海金发科技发展有限公司 Steel-pipeline outer-layer anticorrosive polyethylene compound and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101538384A (en) * 2008-03-18 2009-09-23 上海上丰集团有限公司 Polyethylene pipe workpiece for water supply
CN101747552A (en) * 2009-12-31 2010-06-23 上海金发科技发展有限公司 Steel-pipeline outer-layer anticorrosive polyethylene compound and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108586909A (en) * 2018-05-15 2018-09-28 营口三赢塑胶制品有限公司 A kind of black masterbatch of mulch and preparation method thereof, black mulch film
CN113045809A (en) * 2019-12-26 2021-06-29 青岛润兴塑料新材料有限公司 Application of polyethylene black master batch in HDPE (high-density polyethylene) plastic grid
CN115160681A (en) * 2022-07-13 2022-10-11 广东九彩新材料有限公司 Low-odor high-carbon-black-content polyethylene color master batch and preparation method thereof
CN115160681B (en) * 2022-07-13 2023-02-03 广东九彩新材料有限公司 Low-odor high-carbon-black-content polyethylene color master batch and preparation method thereof

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