CN106589934A - Halogen-free flame retardant and antibacterial PA-AES alloy used for automotive trim and preparing method thereof - Google Patents
Halogen-free flame retardant and antibacterial PA-AES alloy used for automotive trim and preparing method thereof Download PDFInfo
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- CN106589934A CN106589934A CN201611139288.6A CN201611139288A CN106589934A CN 106589934 A CN106589934 A CN 106589934A CN 201611139288 A CN201611139288 A CN 201611139288A CN 106589934 A CN106589934 A CN 106589934A
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- aes
- free flame
- halogen
- automotive trim
- alloys
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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
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- 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
- C08K2201/011—Nanostructured additives
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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
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- 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
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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
Abstract
The invention discloses halogen-free flame retardant and antibacterial PA-AES alloy used for automotive trim. According to the technical scheme, the halogen-free flame retardant and antibacterial PA-AES alloy used for the automotive trim is prepared from, by mass, 36-58.2 parts of PA56 resin, 15-25 parts of AES resin, 2-5 parts of compatilizer, 3-5 parts of flexibilizer, 10-24 parts of halogen-free flame retardant, 3-8 parts of charing masterbatch, 3-6 parts of antibacterial agent, 0.2-1 part of antioxygen and 0.7-2 parts of lubricating agent. The invention provides the halogen-free flame retardant and antibacterial PA-AES alloy used for the automotive trim. The halogen-free flame retardant and antibacterial PA-AES alloy used for the automotive trim has good weather fastness and anti-bacterial functions, and the cost is low.
Description
【Technical field】
The invention belongs to technical field of macromolecules, and in particular to a kind of antimicrobial halogen-free flame PA-AES for automotive trim
Alloy and preparation method thereof.
【Background technology】
Over nearly 10 years, with the fast development of domestic automobile industry, in environmental protection, to mould under the call for steel policy, native country
Automobile industry is also being strided forward to internationalization in lightweight development, ratio cumulative year after year of the automotive plastic in vehicle material.At present
Domestic dumb light automotive trim PP Pipe Compound is generally using the modified PA/ABS alloy materials of mechanical blending, but ABS is used as a kind of general plastic
Material, although have the advantages that high fluidity, toughness and glossiness, more complicated product can be molded into, but because in its elastomer
Containing double bond, determine which has weatherability poor, easily aging, the shortcomings of easily discoloration under sunshine, affect end product to use the longevity
Life.Although material modification can alleviate this problem, effectiveness is relative, most basic method without active double
Key.And one of exactly this plastics of AES, which is acrylonitrile-EPDM- styrol copolymers, and the whole for not only inheriting ABS is excellent
Point, also compensate for the defect of resistance to ag(e)ing difference, is highly suitable for outdoor application, and weatherability is fabulous, thus increasing replacement
ABS is used in automotive trim and during other need life-span length, safe and reliable plastic.
With the progress of science and technology, many new faces in nylon family, have also been emerged in large numbers, PA56 is exactly wherein a member, and it is China
The bio-based novel nylon of autonomous synthesis in nearly 2 years, has gone into operation in Shandong.Contrast PA66, PA56 molecular weight are smaller, degree of crystallinity
Slightly higher, 254.1 DEG C of its fusing point, heatproof can match in excellence or beauty PA66, and its vitrification point, intensity, pliability, hygroscopicity, resilience are all
Better than nylon 6 and nylon66 fiber, nylon66 fiber can be substituted completely and is applied in fields such as automobile, weaving, machinery, electronic apparatus.
Although domestic research PA/ABS alloy materials are more at present, there is no and be related to PA56/AES, the latter is not
Only there are the former all advantages, its natural weatherability more preferably, is particularly suited for the fields such as automotive trim.
【The content of the invention】
The present invention seeks to overcome deficiency of the prior art, there is provided a kind of antimicrobial halogen-free flame for automotive trim
PA-AES alloys, with preferable weatherability and antibacterial functions, and cost is relatively low.
It is a further object of the present invention to provide the preparation method of above-mentioned antimicrobial halogen-free flame PA-AES alloys.
The present invention is achieved by the following technical solutions:
A kind of antimicrobial halogen-free flame PA-AES alloys for automotive trim, it is characterised in that:Including following quality percentage
Compare component:
PA56 trees 36~58.2;
AES resins 15~25;
Compatilizer 2~5;
Toughener is 3~5;
Halogen-free flame retardants 10~24;
Into charcoal master batch 3~8;
Antibacterial 3~6;
Antioxidant 0.2~1;
Lubricant is 0.7~2.
The preferred PA56 resins relative viscosity is 2.8, is the production of Shandong Kai Sai biotech firms.
The preferred AES resins are acrylonitrile-EPDM- styrol copolymers, and in strand, double bond content is less than
0.6%, percent grafting is more than 55%, increased weatherability, and its gel content is more than 20%, specially brocade lake day beautiful production.
The preferred compatilizer is acrylonitrile, one kind of styrene or ethylene octane copolymer grafted maleic anhydride or several
Kind, specially magnificent cloud tints SMA-800.
The preferred toughener is ethylene-octene grafted maleic anhydride, grafting maleic anhydride with ethylene propylene terpolymer or second
One or more mixing, more preferably ethylene-octene grafted maleic of alkene-acrylic acid methyl ester .-glycidyl methacrylate
Acid anhydride, it is concrete such as the logical KT-915 of section.
The preferred halogen-free flame retardants is that one or more of phosphorus-nitrogen containing flame retardant, tetramethylolmethane, sulfamate are answered
With forming, preferred three in proportion 15:5:1:3 compoundings are formed.
Described is, with PA6 (relative viscosity is 2.4) as carrier, PA6 to be dried 4 hours at 110 DEG C into charcoal master batch, then will be dried
Nano imvite that dry PA6, Jing silane coupler was processed, that anhydrous calcium chloride is placed in high-speed mixer and mixing by a certain percentage is equal
It is even after send into double screw extruder in, Jing twin screw high speed shear, mixing, by die head extrusion, tie rod, cooling, drying, pelletizing,
Magnetic and packaging are crossed, good seal is standby.
The preferred antibacterial for inorganic antiseptic, organic antibacterial agent or natural antibacterial agent one or more compoundings and
Into the silver series inorganic antibiosis master batch more preferably with PA as carrier is concrete as RHA-PA is serial.
The preferred Albemarle Corporation of the preferred antioxidant is with primary antioxidant AT-1010, auxiliary antioxidant AT-626 and the
The PW-9225 compoundings of the stable chelating agen compounding of three components are formed.
The preferred lubricant be the one kind in modified ethylene bis stearic acid amide, lignite acid derivative or silicone or
Several mixing, more preferably Brueggemann lubricant lignite acid derivative P12.
The preparation method of antimicrobial halogen-free flame PA-AES alloys, step are as follows:
(1) process and mixing of raw material:Above-mentioned 2 kinds of nylon resins being related to, AES resins are respectively placed in into 110 DEG C
Dry 4 hours with 85 DEG C of convection ovens, it is ensured that moisture is less than 0.1%;
(2) mix:By the PA56 resins and AES resins after drying, compatilizer, toughener, halogen-free flame retardants, into charcoal
Master batch, antibacterial, antioxidant and lubricant are mixed 3 minutes in batch mixer, are sufficiently stirred for each component, mix homogeneously;
(3) melting extrusion:The material for mixing is added in double screw extruder, is extruded Jing after abundant melting mixing, temperature
Between 230-260 DEG C, screw speed is 320 revs/min for degree control;
(4) pelletize and post processing:Material to extruding is carried out cooling down, is air-dried, pelletizing, too strong magnetic obtain finished product.
A kind of antimicrobial halogen-free flame PA-AES alloys that can be used for automotive trim are mainly used in high-grade Asia light automotive trim
Material Field, the advantages of possess environmental protection, antibacterial, good weatherability.
Compared with prior art, the present invention has the following advantages:
A kind of antimicrobial halogen-free flame PA-AES alloys for automotive trim of the present invention, using novel nylon 56 and AES,
Using resin matrix it is relatively new, not only mechanical performance can match in excellence or beauty general PA/ABS, the day for more having which incomparable
So weatherability, makes alloy color keep sustained, so as to more can guarantee that the service life of end product, and with it is lower into
This, meanwhile, also using halogen-free flame-retardant system, not only good flame retardation effect, also as adding antibacterial, is combined with nylon fiber, is had
Have a preferable antibacterial functions, environmental protection is healthy, can be used in some often in contact with high-end automotive trim on, so as to can also widen material
The application prospect of material.
【Specific embodiment】
Embodiment 1:
(1) process and mixing of raw material:Above-mentioned 2 kinds of nylon resins being related to, AES resins are respectively placed in into 110 DEG C
Dry 4 hours with 85 DEG C of convection ovens, it is ensured that moisture is less than 0.1%;
(2) mix:By the PA56 resins and AES resins after drying, compatilizer, toughener, halogen-free flame retardants, into charcoal
Master batch, antibacterial, antioxidant and lubricant are mixed 3 minutes in batch mixer, are sufficiently stirred for each component, mix homogeneously;
(3) melting extrusion:The material for mixing is added in double screw extruder, is extruded Jing after abundant melting mixing, spiral shell
Bar temperature:One 200 DEG C of area, 230 DEG C of 2nd area, 225 DEG C of 3rd area, 220 DEG C of 4th area, 215 DEG C of 5th area, 210 DEG C of 6th area, 215 DEG C of 7th area,
Eight 220 DEG C of areas, 230 DEG C of die head, screw speed are 320 revs/min;
(4) pelletize and post processing:Material to extruding is carried out cooling down, is air-dried, pelletizing, too strong magnetic obtain finished product.
According to the process conditions of embodiment 1, prepare according to the material proportion of embodiment 1-4 in table 1 and can be used for automotive trim
Antimicrobial halogen-free flame PA-AES alloys.
Table 1 is embodiment 1-4 each component percentage by weight
To product being prepared according to material proportion in embodiment 1-4, and carry out performance test, its test result is shown in Table 2.
2 embodiment 1-4 properties of product test data of table
In summary, the antimicrobial halogen-free flame PA-AES alloys for automotive trim of the invention, not only mechanical performance can
With the general PA/ABS that matches in excellence or beauty, and weatherability is more preferably, and color is more sustained, with lower cost, is also hindered using Halogen
Combustion system, has good antibacterial functions concurrently.
Claims (10)
1. a kind of antimicrobial halogen-free flame PA-AES alloys for automotive trim, it is characterised in that:Including following mass percent
Component:
PA56 trees 36~58.2;
AES resins 15~25;
Compatilizer 2~5;
Toughener is 3~5;
Halogen-free flame retardants 10~24;
Into charcoal master batch 3~8;
Antibacterial 3~6;
Antioxidant 0.2~1;
Lubricant is 0.7~2.
2. a kind of antimicrobial halogen-free flame PA-AES alloys for automotive trim according to claim 1, it is characterised in that:
The PA56 resins relative viscosity is 2.8.
3. a kind of antimicrobial halogen-free flame PA-AES alloys for automotive trim according to claim 1, it is characterised in that:
The AES resins are acrylonitrile-EPDM- styrol copolymers, and its gel content is more than 20%.
4. a kind of antimicrobial halogen-free flame PA-AES alloys for automotive trim according to claim 1, it is characterised in that:
The compatilizer is one or more of acrylonitrile, styrene or ethylene octane copolymer grafted maleic anhydride.
5. a kind of antimicrobial halogen-free flame PA-AES alloys for automotive trim according to claim 1, it is characterised in that:
The toughener be ethylene-octene grafted maleic anhydride, grafting maleic anhydride with ethylene propylene terpolymer or ethylene-methyl acrylate-
One or more mixing of glycidyl methacrylate.
6. a kind of antimicrobial halogen-free flame PA-AES alloys for automotive trim according to claim 1, it is characterised in that:
The halogen-free flame retardants is formed for one or more compoundings of phosphorus-nitrogen containing flame retardant, tetramethylolmethane, sulfamate.
7. a kind of antimicrobial halogen-free flame PA-AES alloys for automotive trim according to claim 1, it is characterised in that:
The antibacterial is formed for one or more compoundings of inorganic antiseptic, organic antibacterial agent or natural antibacterial agent.
8. a kind of antimicrobial halogen-free flame PA-AES alloys for automotive trim according to claim 1, it is characterised in that:
The antioxidant is formed for one or more compoundings of phenols, phosphorous acid lipid, copper salt kind, chelating agen class.
9. a kind of antimicrobial halogen-free flame PA-AES alloys for automotive trim according to claim 1, it is characterised in that:
The lubricant is one or more mixing in modified ethylene bis stearic acid amide, lignite acid derivative or silicone.
10. the preparation method of the antimicrobial halogen-free flame PA-AES alloys described in any one of claim 1-9, it is characterised in that:Step
It is rapid as follows:
(1) process and mixing of raw material:Above-mentioned 2 kinds of nylon resins being related to, AES resins are respectively placed in into 110 DEG C and 85
Dry 4 hours in DEG C convection oven, it is ensured that moisture is less than 0.1%;
(2) mix:By the PA56 resins and AES resins after drying, compatilizer, toughener, halogen-free flame retardants, female into charcoal
Grain, antibacterial, antioxidant and lubricant are mixed 3 minutes in batch mixer, are sufficiently stirred for each component, mix homogeneously;
(3) melting extrusion:The material for mixing is added in double screw extruder, is extruded Jing after abundant melting mixing, temperature control
Between 230-260 DEG C, screw speed is 320 revs/min to system;
(4) pelletize and post processing:Material to extruding is carried out cooling down, is air-dried, pelletizing, too strong magnetic obtain finished product.
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CN107236299A (en) * | 2017-07-21 | 2017-10-10 | 安徽江淮汽车集团股份有限公司 | A kind of PA66 AES composite materials and preparation method thereof |
CN107880541A (en) * | 2017-11-23 | 2018-04-06 | 广东道生科技股份有限公司 | Special nylon material of a kind of automotive trim and preparation method thereof |
CN108034237A (en) * | 2017-11-23 | 2018-05-15 | 广东道生科技股份有限公司 | A kind of high-temperature and high-presure resistent fire-retardant nylon material and its preparation method and application |
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CN107880541A (en) * | 2017-11-23 | 2018-04-06 | 广东道生科技股份有限公司 | Special nylon material of a kind of automotive trim and preparation method thereof |
CN108034237A (en) * | 2017-11-23 | 2018-05-15 | 广东道生科技股份有限公司 | A kind of high-temperature and high-presure resistent fire-retardant nylon material and its preparation method and application |
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Application publication date: 20170426 |