CN103665848B - A kind of polythene/nylon 6 mixing modification barrier material - Google Patents
A kind of polythene/nylon 6 mixing modification barrier material Download PDFInfo
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- CN103665848B CN103665848B CN201310661418.2A CN201310661418A CN103665848B CN 103665848 B CN103665848 B CN 103665848B CN 201310661418 A CN201310661418 A CN 201310661418A CN 103665848 B CN103665848 B CN 103665848B
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- nylon
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention provides a kind of polythene/nylon 6 mixing modification barrier material, mainly comprise 40.0 ~ 60.0 parts of nylon 6, 30.0 ~ 40.0 parts of polyethylene, 10.0 ~ 20.0 parts of compatilizers, 0.3 ~ 1.0 part of lubricant, 0 ~ 20.0 part of glass fibre, 0.3 ~ 2.0 part of chainextender, 0.3 ~ 1.0 part of composite thermal stabilizer, obtain low melting means, high viscosity, high temperature resistant, the barrier material of hot-air aging resistance, can be used for extruding and blow molding processing, manufacture the plastics with barrier property, improve the design freedom intercepting plastics selection, can be used for manufacturing film class plastics simultaneously.
Description
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 existing defects during the application of high-end or special dimension for some, 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 molecule, 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 block performance obtained and heat resistance are between polyethylene and nylon 6 between the two, can as automobile, motorcycle fuel system accessories material.Plastic barrier materials goods mostly are blowing or squeeze technology for forming, first require that material has higher melt strength, secondly owing to mostly being air cooling in molding process, therefore require that material has 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 parameter differ larger, both poor compatibility, both are simply blended there will be layering skin effect phenomenon, properties is poor, first the problem solving consistency is needed, secondly common nylon 6 viscosity of material sold on the market is 2.4 ~ 3.0, its melt strength is low, be unsuitable for blowing and extrusion molding processing, need to carry out thickening to common nylon 6, finally, in blowing or the extrusion molding course of processing, nylon 6 material exposes and is progressively cooled to room temperature from 200 DEG C in atmosphere, product surface there will be very serious xanthochromia problem, therefore the heatproof air aging performance solving material is needed.
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 comprising 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 improve the resistance toheat of polyethylene/nylon 6 barrier material further;
Described chainextender is at least one in Styrene And Chloroalkyl Acrylates glycidyl ester copolymer, Zelan 338, the melting index of material can be reduced, increase the viscosity of nylon 6, improve the melt strength of polythene/nylon 6 mixing modification barrier material;
Three kinds in the phenols carbon free radical trapers that described composite thermal stabilizer is Hinered phenols stablizer (as antioxidant 1010, oxidation inhibitor 1098), phosphite-type stabilisers (as irgasfos 168), azanol class carbon free radical trapers, bisphenolmonoacryates carbon free radical trapers, ortho position allyl group replace, Benzopyranone kind carbon free radical trapers or the combination of Four types stablizer, composite thermal stabilizer can prevent nylon 6 oxidation in process of production from turning yellow;
By dried recovery nylon 6 and polyethylene, compatilizer, chainextender, composite thermal stabilizer, after high-speed mixer high speed mixing 1 ~ 5min put in proportion together by lubricant, extruding pelletization parallel equidirectional two-screw forcing machine is joined from the first feeder (main feeding), be followed successively by by the temperature of feed zone to head: 230 ~ 255 DEG C, 230 ~ 255 DEG C, 225 ~ 255 DEG C, 220 ~ 245 DEG C, 220 ~ 245 DEG C, 210 ~ 230 DEG C, 210 ~ 230 DEG C, 220 ~ 240 DEG C, the temperature of die head is 230 ~ 240 DEG C, glass fibre adds from glass fiber opening in twin screw extrusion, through water-cooled after extruding, pelletizing, then pack, obtained polythene/nylon 6 mixing modification barrier material.
The polythene/nylon 6 mixing modification barrier material that the present invention obtains can be used for extrusion molding, blowing processing, makes all kinds of container, 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 is filled a prescription
Table 2: embodiment 11 ~ 15 is filled a prescription
Above-mentioned polythene/nylon 6 mixing modification barrier material is placed 3 ~ 4 hours in 120 DEG C in air dry oven, directly get dried pellet test melting index, injection moulding machine is adopted 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 be injection molded into is divided into two groups, wherein one group of not otherwise processed, another group is taken out after being placed on and placing 48 hours in 120 DEG C in air dry oven and is tested.Test result is as following table 3 ~ 4:
Table 3: embodiment 1 ~ 10 polythene/nylon 6 mixing modification barrier material performance measured value
Table 4: embodiment 11 ~ 15 polythene/nylon 6 mixing modification barrier material performance measured value
Polyethylene/nylon 6 barrier material after blending and modifying has low melting means, high viscosity, high temperature resistant, hot-air aging resistance feature, can be used for extruding and blow molding processing, manufacture the plastics with barrier property, improve the design freedom intercepting plastics selection, can be used for manufacturing film class plastics simultaneously.
Claims (1)
1. a polythene/nylon 6 mixing modification barrier material, is characterized in that, is made up of 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);
Described compatilizer is maleic anhydride grafted polyethylene, and percentage of grafting is 0.8 ~ 1.2%;
Described lubricant is at least one in calcium stearate, Zinic stearas, Magnesium Stearate, ethylene bis stearamide, polyester type lubricant;
Described glass fibre is alkali-free glass fiber, and filament diameter is 12 ~ 15 μm;
Described chainextender is at least one in Styrene And Chloroalkyl Acrylates glycidyl ester copolymer, styrene-maleic anhydride copolymer;
Three kinds in the phenols carbon free radical trapers that described composite thermal stabilizer is Hinered phenols stablizer, phosphite-type stabilisers, azanol class carbon free radical trapers, bisphenolmonoacryates carbon free radical trapers, ortho position allyl group replace, Benzopyranone kind carbon free radical trapers or the combination of Four types stablizer.
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| CN201310661418.2A CN103665848B (en) | 2013-11-28 | 2013-11-28 | A kind of polythene/nylon 6 mixing modification barrier material |
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| CN201310661418.2A CN103665848B (en) | 2013-11-28 | 2013-11-28 | A kind of polythene/nylon 6 mixing modification barrier material |
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| CN103665848A CN103665848A (en) | 2014-03-26 |
| CN103665848B true CN103665848B (en) | 2016-03-30 |
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| 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 |
| 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 |
| 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 |
| 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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| 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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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 Patentee before: Fang Wanpiao |
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