CN103665848A - Polyethylene and nylon 6 blending modified barrier material - Google Patents

Polyethylene and nylon 6 blending modified barrier material Download PDF

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Publication number
CN103665848A
CN103665848A CN201310661418.2A CN201310661418A CN103665848A CN 103665848 A CN103665848 A CN 103665848A CN 201310661418 A CN201310661418 A CN 201310661418A CN 103665848 A CN103665848 A CN 103665848A
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nylon
polyethylene
barrier material
parts
polythene
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CN103665848B (en
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方万漂
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Dongguan Chuo Kagaku Co., Ltd.
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/02Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/003Additives being defined by their diameter
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/08Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/062HDPE

Abstract

The invention provides a polyethylene and nylon 6 blending modified barrier material. The barrier material mainly comprises the following components in parts by weight: 40.0 to 60.0 parts of nylon 6, 30.0 to 40.0 parts of polyethylene, 10.0 to 20.0 parts of compatilizer, 0.3 to 1.0 part of lubricant, 0 to 20.0 parts of glass fiber, 0.3 to 2.0 parts of chain extender, and 0.3 to 1.0 part of composite heat stabilizer. The barrier material has the advantages of low melt flow index, high viscosity, high temperature resistance, and thermo-oxidative aging resistance; can be applied to extrusion and a blow moulding process so as to manufacture plastic products with a barrier property, improves the design freedom in choosing raw materials of barrier plastic products, and can be used to manufacture membrane plastic products at the same time.

Description

A kind of polythene/nylon 6 mixing modification barrier material
Technical field
The present invention relates to polymeric material field, in particular a kind of polythene/nylon 6 mixing modification barrier material.
Background technology
Polyethylene is a kind of general barrier material of high performance-price ratio, but for some, there is defect during the application of high-end or special dimension, such as under applied at elevated temperature environment, because polyethylene is as general-purpose plastics, its resistance toheat is not high, not strong to the osmotic-pressure-tolerant of hydrocarbon organic solvent, and there is polar group in nylon 6 molecules, intermolecular attraction increases, its barrier property is significantly better than polyethylene, to polyethylene with carry out Blending Modification of Nolyn 6 and can improve poly barrier property, simultaneously because nylon 6 is engineering plastics, its heat resistance is higher than polyethylene, therefore, prepare a kind of polythene/nylon 6 mixing modification blending and modifying barrier material, the material barrier property obtaining and heat resistance are between polyethylene and nylon 6 between the two, can be used as automobile, motorcycle fuel system fitment material.Plastics barrier material product mostly is blowing or squeeze technology for forming, first require material to there is higher melt strength, secondly owing to mostly being air cooling in molding process, therefore require material to there is good heatproof air aging performance, in order to avoid surface of plastic products yellowing.For polyethylene and nylon 6 mixing alloy material, because polyethylene and nylon 6 solubility parameters differ larger, both consistencies are poor, both there will be layering skin effect phenomenon at simple blend, properties is poor, first need to solve the problem of consistency, the common nylon 6 material viscosity of secondly selling is on the market 2.4~3.0, its melt strength is low, be unsuitable for blowing and extrusion molding processing, need to carry out tackify to common nylon 6, finally, in blowing or the extrusion molding course of processing, nylon 6 material is progressively cooled to room temperature from 200 ℃ in being exposed to air, product surface there will be very serious xanthochromia problem, therefore need to solve the heatproof air aging performance of material.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of polythene/nylon 6 mixing modification barrier material, mainly comprise following component and content:
Nylon 6:40.0~60.0 part
Polyethylene: 30.0~40.0 parts
Compatilizer: 10.0~20.0 parts
Lubricant: 0.3~1.0 part
Glass fibre: 0~20.0 part
Chainextender: 0.3~2.0 part
Composite thermal stabilizer: 0.3~1.0 part
Described nylon 6 viscosity 2.4-2.8;
Described polyethylene is high density polyethylene(HDPE) (Lanzhou Petrochemical 5000S);
Described compatilizer is maleic anhydride grafted polyethylene, and percentage of grafting is 0.8~1.2%, can solve the compatibility problem of polyethylene and nylon 6;
Described lubricant is at least one in calcium stearate, Zinic stearas, Magnesium Stearate, ethylene bis stearamide, polyester type lubricant (Honeywell AC540), and lubricant can improve the processing characteristics of nylon 6, reduces power consumption of polymer processing.
Described glass fibre is alkali-free glass fiber, and filament diameter is 12-15um, can further improve the resistance toheat of polyethylene/nylon 6 barrier material;
Described chainextender is at least one in Styrene And Chloroalkyl Acrylates glycidyl ester copolymer, Zelan 338, can reduce the melting index of material, increase the viscosity of nylon 6, improve the melt strength of polythene/nylon 6 mixing modification barrier material;
Described composite thermal stabilizer is Hinered phenols stablizer (as antioxidant 1010, oxidation inhibitor 1098), phosphorous acid esters stablizer (as irgasfos 168), azanol class carbon radicals trapping agent, bisphenolmonoacryates carbon radicals trapping agent, the phenols carbon radicals trapping agent of ortho position allyl group replacement, three kinds or the combination of Four types stablizer in Benzopyranone kind carbon radicals trapping agent, and composite thermal stabilizer can prevent nylon 6 oxidation flavescence in process of production;
By dried recovery nylon 6 and polyethylene, compatilizer, chainextender, composite thermal stabilizer, lubricant is put into together in proportion high-speed mixer high speed and is mixed after 1~5min, from the first feeder (main feeding), join extruding pelletization parallel equidirectional two-screw forcing machine, temperature by feed zone to head is followed successively by: 230~255 ℃, 230~255 ℃, 225~255 ℃, 220~245 ℃, 220~245 ℃, 210~230 ℃, 210~230 ℃, 220~240 ℃, the temperature of die head is 230~240 ℃, glass fibre adds from glass fiber opening in twin screw extrusion, after extruding through water-cooled, pelletizing, then pack, make polythene/nylon 6 mixing modification barrier material.
The polythene/nylon 6 mixing modification barrier material that the present invention makes can be used for extrusion molding, blowing processing, makes all kinds of containers, pipe, clavate obstruct plastics, also can make film class plastics.
Embodiment
The formula of embodiment 1~15 is as following table 1~2:
Table 1: embodiment 1~10 formula
Figure BSA0000098725780000031
Table 2: embodiment 11~15 formulas
Figure BSA0000098725780000032
Above-mentioned polythene/nylon 6 mixing modification barrier material is placed 3~4 hours in 120 ℃ in air dry oven, directly get dried pellet test melting index, adopt injection moulding machine to be injection molded into standard batten and colour table for testing heat-drawn wire and value of chromatism, during test color difference, the colour table being injection molded into is divided into two groups, one group of otherwise processed not wherein, another group is placed in air dry oven in 120 ℃ and takes out after placing 48 hours and test.Test result is as following table 3~4:
Table 3: embodiment 1~10 polythene/nylon 6 mixing modification barrier material performance measured value
Figure BSA0000098725780000041
Table 4: embodiment 11~15 polythene/nylon 6 mixing modification barrier material performance measured values
Figure BSA0000098725780000042
Polyethylene/nylon 6 barrier material after blending and modifying has that eutectic refers to, high viscosity, high temperature resistant, hot-air aging resistance feature, can be used for extruding and blow molding processing, manufacture has the plastics of barrier property, improve the design freedom that intercepts plastics selection, can be used for manufacturing film class plastics simultaneously.

Claims (3)

1. a polythene/nylon 6 mixing modification barrier material, mainly comprises following component and content:
Nylon 6:40.0~60.0 part
Polyethylene: 30.0~40.0 parts
Compatilizer: 10.0~20.0 parts
Lubricant: 0.3~1.0 part
Glass fibre: 0~20.0 part
Described nylon 6 viscosity 2.4-2.8, described polyethylene is high density polyethylene(HDPE), described compatilizer is maleic anhydride grafted polyethylene, percentage of grafting is 0.8~1.2%, described lubricant is calcium stearate, Zinic stearas, Magnesium Stearate, ethylene bis stearamide, at least one in polyester type lubricant, described glass fibre is alkali-free glass fiber, filament diameter is 12-15um, it is characterized in that described polythene/nylon 6 mixing modification barrier material also comprises 0.3~2.0 part of Styrene And Chloroalkyl Acrylates glycidyl ester copolymer, at least one chainextender in styrene-maleic anhydride copolymer.
2. polythene/nylon 6 mixing modification barrier material according to claim 1, characterized by further comprising 0.3~1.0 part of composite thermal stabilizer.
3. composite thermal stabilizer according to claim 2 is Hinered phenols stablizer, phosphorous acid esters stablizer, azanol class carbon radicals trapping agent, bisphenolmonoacryates carbon radicals trapping agent, the phenols carbon radicals trapping agent of ortho position allyl group replacement, three kinds or the combination of Four types stablizer in Benzopyranone kind carbon radicals trapping agent.
CN201310661418.2A 2013-11-28 2013-11-28 A kind of polythene/nylon 6 mixing modification barrier material Expired - Fee Related CN103665848B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106188458A (en) * 2016-07-14 2016-12-07 山东省临沂市三丰化工有限公司 A kind of stabiliser compositions of polyurethane curing agent
CN107974075A (en) * 2016-10-21 2018-05-01 合肥杰事杰新材料股份有限公司 Nylon 6 material that a kind of proof stress turns white and preparation method thereof
CN109988263A (en) * 2019-04-02 2019-07-09 嘉兴华雯化工有限公司 A kind of anhydride macromolecule chain extender and preparation method thereof
CN111117216A (en) * 2019-12-19 2020-05-08 金发科技股份有限公司 Polyamide composition and preparation method thereof
CN112898768A (en) * 2019-11-19 2021-06-04 上海龙程塑料制品有限公司 High-performance barrier material and multilayer composite barrier structure
CN114085448A (en) * 2021-12-23 2022-02-25 南通科顺建筑新材料有限公司 High-temperature-resistant waterproof coiled material sizing material composition, high-temperature-resistant waterproof coiled material sizing material, and preparation method and application thereof
CN114426696A (en) * 2020-09-18 2022-05-03 中国石油化工股份有限公司 Polyurethane filler and preparation method and application thereof
CN114773840A (en) * 2022-04-20 2022-07-22 四川杨氏达防水材料有限公司 High-temperature-resistant phthalic diamide high-molecular waterproof coiled material and preparation method thereof
CN114806148A (en) * 2022-05-25 2022-07-29 何平安 Nylon co-extrusion film for wind power blade molding and production process thereof

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CN1754908A (en) * 2005-05-20 2006-04-05 湖南大学 HDPE/PA-6 high-barrier polymer laminated blending material
DE102007025651A1 (en) * 2007-06-01 2008-12-04 Röchling Automotive AG & Co. KG Process for increasing the chemical stability of a plastic container, which is useful for the storage of liquids in motor vehicles, comprises exposing the plastic container to radioactive radiation
CN102775778A (en) * 2012-03-12 2012-11-14 东莞市信诺橡塑工业有限公司 Polyamide 6/high-density polyethylene composition prepared by in-situ reaction compatibilization method and preparation method thereof
CN102796340A (en) * 2012-09-05 2012-11-28 东莞市信诺橡塑工业有限公司 High-density polyethylene/polyamide 6 laminated barrier material prepared by in-situ reaction compatibilization method and preparation method thereof
CN103012927A (en) * 2012-12-06 2013-04-03 上海日之升新技术发展有限公司 Flame-retardant glass fiber-reinforced HDPE/PA6 alloy material with high CTI value and high GWIT value
CN103242649A (en) * 2012-02-06 2013-08-14 金发科技股份有限公司 Glass fiber reinforced nylon material used for extrusion molding, preparation method and application

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Publication number Priority date Publication date Assignee Title
CN1754908A (en) * 2005-05-20 2006-04-05 湖南大学 HDPE/PA-6 high-barrier polymer laminated blending material
DE102007025651A1 (en) * 2007-06-01 2008-12-04 Röchling Automotive AG & Co. KG Process for increasing the chemical stability of a plastic container, which is useful for the storage of liquids in motor vehicles, comprises exposing the plastic container to radioactive radiation
CN103242649A (en) * 2012-02-06 2013-08-14 金发科技股份有限公司 Glass fiber reinforced nylon material used for extrusion molding, preparation method and application
CN102775778A (en) * 2012-03-12 2012-11-14 东莞市信诺橡塑工业有限公司 Polyamide 6/high-density polyethylene composition prepared by in-situ reaction compatibilization method and preparation method thereof
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CN103012927A (en) * 2012-12-06 2013-04-03 上海日之升新技术发展有限公司 Flame-retardant glass fiber-reinforced HDPE/PA6 alloy material with high CTI value and high GWIT value

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106188458A (en) * 2016-07-14 2016-12-07 山东省临沂市三丰化工有限公司 A kind of stabiliser compositions of polyurethane curing agent
CN106188458B (en) * 2016-07-14 2019-06-11 山东省临沂市三丰化工有限公司 A kind of stabiliser compositions of polyurethane curing agent
CN107974075A (en) * 2016-10-21 2018-05-01 合肥杰事杰新材料股份有限公司 Nylon 6 material that a kind of proof stress turns white and preparation method thereof
CN109988263A (en) * 2019-04-02 2019-07-09 嘉兴华雯化工有限公司 A kind of anhydride macromolecule chain extender and preparation method thereof
CN109988263B (en) * 2019-04-02 2021-12-28 嘉兴华雯化工股份有限公司 Anhydride polymer chain extender and preparation method thereof
CN112898768A (en) * 2019-11-19 2021-06-04 上海龙程塑料制品有限公司 High-performance barrier material and multilayer composite barrier structure
CN111117216B (en) * 2019-12-19 2021-09-17 金发科技股份有限公司 Polyamide composition and preparation method thereof
CN111117216A (en) * 2019-12-19 2020-05-08 金发科技股份有限公司 Polyamide composition and preparation method thereof
CN114426696A (en) * 2020-09-18 2022-05-03 中国石油化工股份有限公司 Polyurethane filler and preparation method and application thereof
CN114426696B (en) * 2020-09-18 2023-05-12 中国石油化工股份有限公司 Polyurethane filler and preparation method and application thereof
CN114085448A (en) * 2021-12-23 2022-02-25 南通科顺建筑新材料有限公司 High-temperature-resistant waterproof coiled material sizing material composition, high-temperature-resistant waterproof coiled material sizing material, and preparation method and application thereof
CN114085448B (en) * 2021-12-23 2022-11-18 南通科顺建筑新材料有限公司 High-temperature-resistant waterproof coiled material sizing material composition, high-temperature-resistant waterproof coiled material sizing material, and preparation method and application thereof
CN114773840A (en) * 2022-04-20 2022-07-22 四川杨氏达防水材料有限公司 High-temperature-resistant phthalic diamide high-molecular waterproof coiled material and preparation method thereof
CN114806148A (en) * 2022-05-25 2022-07-29 何平安 Nylon co-extrusion film for wind power blade molding and production process thereof

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Effective date of registration: 20170824

Address after: Guangdong province Dongguan City Qishi town 523000 Qing village

Patentee after: Dongguan Chuo Kagaku Co., Ltd.

Address before: 325011, room 702, building A, Dragon Ball mall, street, Longwan District, Zhejiang, China

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