CN107523050A - A kind of scratch-resistant daiamid composition and preparation method thereof - Google Patents
A kind of scratch-resistant daiamid composition and preparation method thereof Download PDFInfo
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- CN107523050A CN107523050A CN201710588904.4A CN201710588904A CN107523050A CN 107523050 A CN107523050 A CN 107523050A CN 201710588904 A CN201710588904 A CN 201710588904A CN 107523050 A CN107523050 A CN 107523050A
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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
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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
- 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 a kind of scratch-resistant daiamid composition and preparation method thereof.A kind of scratch-resistant daiamid composition, is made up of the raw material of following mass percent：Polyamide 40% 80%；Glass fibre 10% 40%；Organosiloxane 0.5% 4%；Polytetrafluoroethylene (PTFE) 0.3% 1.5%；Polyethylene acrylic acid ionomer 5% 15%；Antioxidant 0.2% 1.0%；Lubricant 0.1% 1.0%.Also disclose that a kind of preparation method of scratch-resistant daiamid composition simultaneously.Scratch-resistant daiamid composition produced by the present invention has good scratch resistance, mechanical performance and tinctorial property, does not have the characteristic of obvious scratch in the five fingers scrape experiment, the parts long-term use that the material makes is not easy to be scraped off.
Description
Technical field
The invention belongs to polymeric material field, and in particular to a kind of scratch-resistant daiamid composition and preparation method thereof.
Background technology
Polyamide is commonly called as nylon, is one of earliest synthesis exploitation, relatively inexpensive engineering plastics, has that light, mechanics is strong
The characteristics of spending high and easy processing and forming, while there is low coefficient of friction, oil resistant, self lubricity and the excellent synthesis such as corrosion-resistant
Performance, good application is obtained in many industries.Polyamide case hardness and scratch-resistant performance are general, especially exist
After moisture absorption, its scraping and wiping resistance performance, which has, significantly to be declined, and finger nail is easy to the surface of scratch product.
The combination property of polyamide can be significantly lifted by adding reinforcing material, function additive etc., while had good
Good coloring, has very big application potential in the application field of some appearance members, as automotive upholstery, furniture parts,
The appearance member such as appliance shell field.Do not pass through scratch-resistant modified Polyamide Engineering Plastic, the easy scratch in surface, product is present
The disadvantage of easy scratch；In order to improve the scratch resistance of product, traditional mode is in product surface coating paint, but this mode
Waste time and energy, pollute environment, economic benefit is bad.In order to rationally utilize the premium properties of polyamide, improve polyamide scratch-resistant
The problem of property is bad, improves the economic benefit of application market, becomes important research topic.
A kind of high-gloss scraping-resistant filling nylon 6 composition and preparation method thereof (CN106633837A), discloses one kind
High-gloss scraping-resistant filling nylon 6 composition, include following components according to parts by weight：65~90 parts of nylon 6 resin, ultra-fine cunning
1~30 part of stone flour, 0.2~1 part of antioxidant, 0.2~1 part of lubricant, 0.2~1 part of nucleator, 1~4 part of scratch resistance liniment.This hair
Bright to be compounded by superfine talcum powder and scratch resistance liniment, the filled nylon-6 composition surface gloss and hardness of preparation greatly promote,
Scraping and wiping resistance performance is excellent, solves the problems, such as the easy scratch of existing product, scratch resistance difference.
A kind of low gloss, scratch-resistant nylon/acrylonitrile-butadiene-styrene resin mixing material (CN102051042A),
A kind of intermingling material is disclosed, relates in particular to a kind of low gloss, scratch-resistant nylon/acrylonitrile-butadiene-styrene resin
Intermingling material.By nylon, acrylonitrile-butadiene-phenylethene grafted copolymer ABS, ABS high glue powder, the bulking agent of polymerisation in bulk
St-co-NPMI copolymer, inorganic filler and antioxidant composition；Each component is calculated by weight as：Nylon
35~75 parts, polymerisation in bulk ABS0~35 part, 15~30 parts of ABS high glue powders, St-co-NPMI copolymer 3
~10 parts, 2~10 parts of inorganic filler.Using the nylon/acrylonitrile-butadiene-styrene resin of the preparation of above-mentioned technical proposal
Intermingling material, has splendid Scratch Resistance, chemical resistance and a mechanical performance, and the features such as glossy low, good fluidity.
A kind of nylon 6 composition with ageing resistace and preparation method thereof (CN102558843A), discloses one kind
The preparation method of nylon 6 composition with superior aging resistance energy, specially a kind of glass with superior aging resistance energy
The composition of activeness and quietness nylon 6, it is formed by the raw material of following weight proportion through double screw extruder extruding pelletization：50-
80% nylon 6 resin, 1%-10% polyvinyl resin, 1-8% compatibilized toughener, 10%-30% glass fibre,
0.3%-2% anti-aging auxiliary agent and other processing aids.Wherein glass fibre adds from the exhaust outlet of extruder, other raw materials
After being pre-mixed, added from the charge door of extruder.The anti-aging rank of said composition can reach 4-5 levels, have equilibrium
Mechanical performance and good low temperature impact properties.
Above patented product obtains the good daiamid composition of scratch-resistant, CN106633837A and
Product disclosed in CN102051042A, mechanical strength is not high, using there is significant limitation.CN102558843A is disclosed to be produced
Product, containing polyethylene and compatibilized toughener, reduce the scratch resistance of polyamide material.
The content of the invention
Present invention aim to address polyamide not scratch-resistant the problem of, there is provided a kind of scratch-resistant daiamid composition and
Its preparation method.
The technical solution used in the present invention is：
A kind of scratch-resistant daiamid composition, is made up of the raw material of following mass percent：
The relative viscosity of polyamide is 2.0~3.3.
Glass fibre be surface through silane coupler modified alkali-free glass fibre, its diameter range is 7 μm~15 μm.
The number-average molecular weight of organosiloxane is 500,000~1,000,000.
Polyethylene acrylic acid ionomer is the polymer of ethene and (methyl) acrylate metal salt.
Antioxidant is at least one of Hinered phenols, phosphorous acid esters, hindered amines, inorganic phosphate kind antioxidant.
Lubricant is stearic acid, stearate, montanic acid salts, paraffin, Tissuemat E, EBS, PETS, ethene-vinyl acetate
At least one of copolymer, ethylene-acrylic acid copolymer.
A kind of preparation method of scratch-resistant daiamid composition, comprises the following steps：
1) each component in addition to glass fibre is weighed in proportion, be stirred, premix is made；
2) double screw extruder main feed mouth add premix, from side charging aperture add glass fibre, extruding pelletization,
Obtain scratch-resistant daiamid composition.
The double screw extruder of step 2) is ratcheting type equidirectional parallel double-screw extruder, draw ratio >=32:1.
The beneficial effects of the invention are as follows：
Scratch-resistant daiamid composition produced by the present invention has good scratch resistance, mechanical performance and tinctorial property,
There is no the characteristic of obvious scratch in the five fingers scrape experiment, the parts long-term use that the material makes is not easy to be scraped off.
Specifically：
It is organic that the present invention adds polyethylene acrylic acid ionomer, scratch resistance liniment simultaneously in scratch-resistant daiamid composition
Siloxanes and polytetrafluoroethylene (PTFE), synergy is played：
1st, polyethylene acrylic acid ionomer has low water suction, high scratch-resistant, high-barrier, the characteristic of high-impact, in scratch-resistant
The effect of scratch resistance liniment, nucleator, low water absorbing agent is served in daiamid composition, reduces the water suction of scratch-resistant polyamide
Rate, improve scraping and wiping resistance performance；
2nd, the addition of scratch resistance liniment organosiloxane, the hardness and self lubricity of polyamide are improved, reduces friction system
Number；
3rd, the addition of polytetrafluoroethylene (PTFE), improve the abrasion resistance of polyamide, reduce coefficient of friction, serve auxiliary
The effect of scratch-resistant.
Embodiment
A kind of scratch-resistant daiamid composition, is made up of the raw material of following mass percent：
Preferably, a kind of scratch-resistant daiamid composition, is made up of the raw material of following mass percent：
Preferably, the relative viscosity of polyamide is 2.0~3.3；It is further preferred that polyamide is relatively viscous
Spend for 2.6~2.8.
Preferably, polyamide PA66；It is further preferred that polyamide is China Shenma Group Co., Ltd.
PA66EPR27 (relative viscosity 2.67 ± 0.05).
Preferably, glass fibre be surface through silane coupler modified alkali-free glass fibre, its diameter range is 7 μm~
15μm；It is further preferred that glass fibre is the alkali-free glass fibre ECS 301CL-3 of Chongqing Polycomp International Co., Ltd
Or at least one of alkali-free glass fibre ER13-988A-2000 of Chinese megalith limited company.
Preferably, the number-average molecular weight of organosiloxane is 500,000~1,000,000；It is further preferred that organosiloxane is
The GM100 of Zhonglan Chenguang Chemical Institute Co., Ltd..Scratch-resistant of the organosiloxane of the present invention as daiamid composition
Agent.
Preferably, polytetrafluoroethylene (PTFE) is ptfe micropowder；It is further preferred that polytetrafluoroethylene (PTFE) is 3M companies
PTFE micro mists TF9207.
Preferably, polyethylene acrylic acid ionomer is polyethylene-(methyl) acrylic acid ionomer, i.e. ethene and (methyl)
The polymer of acrylate metal salt；It is further preferred that polyethylene acrylic acid ionomer is ethene-(methyl) acrylic acid zinc salt
At least one of copolymer, ethene-(methyl) PAA salt copolymer, ethene-(methyl) Lithium acrylate salt copolymer；Again
It is further preferred that polyethylene acrylic acid ionomer is the sarin resin 8940 of Tao Shi Du Ponts.
Preferably, antioxidant be Hinered phenols, phosphorous acid esters, hindered amines, in inorganic phosphate kind antioxidant extremely
Few one kind；It is further preferred that antioxidant is at least one of antioxidant 1010,168,1098,626, H10；Further
Preferably, antioxidant be Rianlon Corporation THANOX series 1010,168,1098,626, Bu Lv
At least one of graceful H10 of lattice.
Preferably, lubricant be stearic acid, stearate, montanic acid salts, paraffin, Tissuemat E, EBS (N, N '-ethylene is double
Stearmide), PETS (pentaerythrite double stearates), ethylene-vinyl acetate copolymer, in ethylene-acrylic acid copolymer
It is at least one；It is further preferred that lubricant is ethylene-acrylic acid copolymer wax；Still further preferably, lubricant Huo Niwei
You are AC540.
A kind of preparation method of scratch-resistant daiamid composition, comprises the following steps：
1) each component in addition to glass fibre is weighed in proportion, be stirred, premix is made；
2) double screw extruder main feed mouth add premix, from side charging aperture add glass fibre, extruding pelletization,
Obtain scratch-resistant daiamid composition.
Preferably, the mixing condition of step 1) is：Temperature：Normal temperature；Speed of agitator：60~120 revs/min；Mixing time 1
~5 minutes.
Preferably, the double screw extruder of step 2) is ratcheting type equidirectional parallel double-screw extruder, draw ratio >=32:1；
It is further preferred that the draw ratio of the double screw extruder of step 2) is (36~40)：1.
Present disclosure is described in further detail below by way of specific embodiment.
Embodiment 1：
Using following raw material：
Polyamide (PA66EPR27) 74.6kg；
Glass fibre (alkali-free glass fibre ECS of the Chongqing Polycomp International Co., Ltd Jing Guo silane coupled processing
301CL-3)10kg；
Organosiloxane (GM100) 4kg；
Polytetrafluoroethylene (PTFE) (TF9207) 0.4kg；
Polyethylene-(methyl) acrylic acid ionomer (sarin resin 8940) 10kg；
(Rianlon Corporation 1098 and 168 presses 1 to antioxidant:1 interworking) 0.5kg；
Lubricant (Honeywell AC540) 0.5kg.
Component in addition to glass fibre is put into homogenizer by weight percentage, normal temperature, 120 revs/min
1-5 minutes are stirred under conditions of clock, premix is made；It is 36 from draw ratio：1 ratcheting type corotating twin-screw extrusion
Machine, it is 245-305 DEG C that each area, which sets temperature range, and premix is fed in extruder by double screw extruder main feed mouth,
Simultaneously by side charging aperture feeding extruder of the glass fibre through double screw extruder, by tie rod, water cooling, dehumidifying, pelletizing, make
Obtain scratch-resistant daiamid composition.
Embodiment 2：
Using following raw material：
Polyamide (PA66EPR27) 50.8kg；
Glass fibre (alkali-free glass fibre ECS of the Chongqing Polycomp International Co., Ltd Jing Guo silane coupled processing
301CL-3)40kg；
Organosiloxane (GM100) 2kg；
Polytetrafluoroethylene (PTFE) (TF9207) 0.6kg；
Polyethylene-(methyl) acrylic acid ionomer (sarin resin 8940) 5kg；
(Rianlon Corporation 1098 and 168 presses 1 to antioxidant:1 interworking) 0.6kg；
Lubricant (Honeywell AC540) 1.0kg.
Component in addition to glass fibre is put into homogenizer by weight percentage, normal temperature, 120 revs/min
1-5 minutes are stirred under conditions of clock, premix is made；It is 40 from draw ratio：1 ratcheting type corotating twin-screw extrusion
Machine, it is 245-305 DEG C that each area, which sets temperature range, and premix is fed in extruder by double screw extruder main feed mouth,
Simultaneously by side charging aperture feeding extruder of the glass fibre through double screw extruder, by tie rod, water cooling, dehumidifying, pelletizing, make
Obtain scratch-resistant daiamid composition.
Embodiment 3：
Using following raw material：
Polyamide (PA66EPR27) 57.1kg；
Glass fibre (alkali-free glass fibre ECS of the Chongqing Polycomp International Co., Ltd Jing Guo silane coupled processing
301CL-3)25kg；
Organosiloxane (GM100) 1kg；
Polytetrafluoroethylene (PTFE) (TF9207) 1.5kg；
Polyethylene-(methyl) acrylic acid ionomer (sarin resin 8940) 15kg；
(Rianlon Corporation 1098 and 168 presses 1 to antioxidant:1 interworking) 0.2kg；
Lubricant (Honeywell AC540) 0.2kg.
Component in addition to glass fibre is put into homogenizer by weight percentage, normal temperature, 120 revs/min
1-5 minutes are stirred under conditions of clock, premix is made；It is 36 from draw ratio：1 ratcheting type corotating twin-screw extrusion
Machine, it is 245-305 DEG C that each area, which sets temperature range, and premix is fed in extruder by double screw extruder main feed mouth,
Simultaneously by side charging aperture feeding extruder of the glass fibre through double screw extruder, by tie rod, water cooling, dehumidifying, pelletizing, make
Obtain scratch-resistant daiamid composition.
Embodiment 4：
Using following raw material：
Polyamide (PA66EPR27) 57kg；
Glass fibre (the alkali-free glass fibre treated by silane coupler of Chinese megalith limited company
ER13-988A-2000) 30kg；
Organosiloxane (GM100) 0.5kg；
Polytetrafluoroethylene (PTFE) (TF9207) 1.2kg；
Polyethylene-(methyl) acrylic acid ionomer (sarin resin 8940) 10kg；
(Rianlon Corporation 1098 and 168 presses 1 to antioxidant:1 interworking) 1.0kg；
Lubricant (Honeywell AC540) 0.3kg.
Component in addition to glass fibre is put into homogenizer by weight percentage, normal temperature, 120 revs/min
1-5 minutes are stirred under conditions of clock, premix is made；It is 40 from draw ratio：1 ratcheting type corotating twin-screw extrusion
Machine, it is 245-305 DEG C that each area, which sets temperature range, and premix is fed in extruder by double screw extruder main feed mouth,
Simultaneously by side charging aperture feeding extruder of the glass fibre through double screw extruder, by tie rod, water cooling, dehumidifying, pelletizing, make
Obtain scratch-resistant daiamid composition.
Comparative example 1：
Using following raw material：
Polyamide (PA66EPR27) 79kg；
Glass fibre (alkali-free glass fibre ECS of the Chongqing Polycomp International Co., Ltd Jing Guo silane coupled processing
301CL-3)10kg；
Polyethylene-(methyl) acrylic acid ionomer (sarin resin 8940) 10kg；
(Rianlon Corporation 1098 and 168 presses 1 to antioxidant:1 interworking) 0.5kg；
Lubricant (Honeywell AC540) 0.5kg.
Component in addition to glass fibre is put into homogenizer by weight percentage, normal temperature, 120 revs/min
1-5 minutes are stirred under conditions of clock, premix is made；It is 36 from draw ratio：1 ratcheting type corotating twin-screw extrusion
Machine, it is 245-305 DEG C that each area, which sets temperature range, and premix is fed in extruder by double screw extruder main feed mouth,
Simultaneously by side charging aperture feeding extruder of the glass fibre through double screw extruder, by tie rod, water cooling, dehumidifying, pelletizing, make
Obtain scratch-resistant daiamid composition.
Comparative example 2：
Using following raw material：
Polyamide (PA66EPR27) 85kg；
Glass fibre (alkali-free glass fibre ECS of the Chongqing Polycomp International Co., Ltd Jing Guo silane coupled processing
301CL-3)10kg；
Organosiloxane (GM100) 4kg；
(Rianlon Corporation 1098 and 168 presses 1 to antioxidant:1 interworking) 0.5kg；
Lubricant (Honeywell AC540) 0.5kg.
Component in addition to glass fibre is put into homogenizer by weight percentage, normal temperature, 120 revs/min
1-5 minutes are stirred under conditions of clock, premix is made；It is 36 from draw ratio：1 ratcheting type corotating twin-screw extrusion
Machine, it is 245-305 DEG C that each area, which sets temperature range, and premix is fed in extruder by double screw extruder main feed mouth,
Simultaneously by side charging aperture feeding extruder of the glass fibre through double screw extruder, by tie rod, water cooling, dehumidifying, pelletizing, make
Obtain scratch-resistant daiamid composition.
Comparative example 3：
Using following raw material：
Polyamide (PA66EPR27) 53.4kg；
Glass fibre (alkali-free glass fibre ECS of the Chongqing Polycomp International Co., Ltd Jing Guo silane coupled processing
301CL-3)40kg；
Polyethylene-(methyl) acrylic acid ionomer (sarin resin 8940) 5kg；
(Rianlon Corporation 1098 and 168 presses 1 to antioxidant:1 interworking) 0.6kg；
Lubricant (Honeywell AC540) 1.0kg.
Component in addition to glass fibre is put into homogenizer by weight percentage, normal temperature, 120 revs/min
1-5 minutes are stirred under conditions of clock, premix is made；It is 40 from draw ratio：1 ratcheting type corotating twin-screw extrusion
Machine, it is 245-305 DEG C that each area, which sets temperature range, and premix is fed in extruder by double screw extruder main feed mouth,
Simultaneously by side charging aperture feeding extruder of the glass fibre through double screw extruder, by tie rod, water cooling, dehumidifying, pelletizing, make
Obtain daiamid composition.
Comparative example 4：
Using following raw material：
Polyamide (PA66EPR27) 58.4kg；
Glass fibre (alkali-free glass fibre ECS of the Chongqing Polycomp International Co., Ltd Jing Guo silane coupled processing
301CL-3)40kg；
(Rianlon Corporation 1098 and 168 presses 1 to antioxidant:1 interworking) 0.6kg；
Lubricant (Honeywell AC540) 1.0kg.
Component in addition to glass fibre is put into homogenizer by weight percentage, normal temperature, 120 revs/min
1-5 minutes are stirred under conditions of clock, premix is made；It is 40 from draw ratio：1 ratcheting type corotating twin-screw extrusion
Machine, it is 245-305 DEG C that each area, which sets temperature range, and premix is fed in extruder by double screw extruder main feed mouth,
Simultaneously by side charging aperture feeding extruder of the glass fibre through double screw extruder, by tie rod, water cooling, dehumidifying, pelletizing, make
Obtain daiamid composition.
By nylon 66 composition produced above, using ISO battens mould, test bars are molded by injection machine.It is resistance to
Scraping board uses 2.5 millimeters, and length and width is all 150 millimeters of square plate test.Test bars are surveyed after all being pre-processed by iso standard
Examination.
Each performance indications are tested by iso standard in the present invention, specific as follows：
1st, tensile strength presses ISO 527-2 standard testings.
2nd, bending strength and bending modulus press the standard testings of ISO 178.
3rd, Izod notched impact strength presses the standard testings of ISO 180.
4th, scraping and wiping resistance performance using the five fingers scrape method of testing test, condition be using 7 millimeters of pressure heads, 10N power, 100 millimeters/
Second, 100 millimeters of length is scraped, the judgement to result is visual inspection and brightness changing value △ L measure.
Test data is as shown in table 1 below：
The nylon 66 composition material property effect of the embodiment of table 1 and comparative example
Embodiment and comparative example test result can be seen that from table：
1st, 1-embodiment of the embodiment of the present invention 4 adds polyethylene-(methyl) acrylic acid ionomer and organosiloxane is resistance to
Liniment is scraped, in the five fingers scrape test, without obvious scratch, and surface brightness changing value △ L are smaller, and scraping and wiping resistance performance is very good.
2nd, contrasted by embodiment 1 and comparative example 1, comparative example 2, individually add polyethylene-(methyl) acrylic acid ionomer
Or there is slight scratch on organosiloxane scratch resistance liniment, surface, surface brightness changing value △ L are not relatively high, and scraping and wiping resistance performance is general.
3rd, by embodiment 2 compared with comparative example 3, comparative example 4, do not add polyethylene-(methyl) acrylic acid ionomer and
Organosiloxane scratch resistance liniment, scratch is obvious, and surface brightness changing value △ L are larger；Polyethylene-(methyl) acrylic acid is added from poly-
Thing, the scratch degree on surface is reduced, reduce surface brightness changing value △ L, but have obvious scratch.
Claims (9)
- A kind of 1. scratch-resistant daiamid composition, it is characterised in that：It is made up of the raw material of following mass percent：Polyamide 40%-80%；Glass fibre 10%-40%；Organosiloxane 0.5%-4%；Polytetrafluoroethylene (PTFE) 0.3%-1.5%；Polyethylene acrylic acid ionomer 5%-15%；Antioxidant 0.2%-1.0%；Lubricant 0.1%-1.0%.
- A kind of 2. scratch-resistant daiamid composition according to claim 1, it is characterised in that：Polyamide glues relatively Spend for 2.0~3.3.
- A kind of 3. scratch-resistant daiamid composition according to claim 1, it is characterised in that：Glass fibre is surface through silicon The coupling agent modified alkali-free glass fibre of alkane, its diameter range are 7 μm~15 μm.
- A kind of 4. scratch-resistant daiamid composition according to claim 1, it is characterised in that：The number of organosiloxane is divided equally Son amount is 500,000~1,000,000.
- A kind of 5. scratch-resistant daiamid composition according to claim 1, it is characterised in that：Polyethylene acrylic acid is from poly- Thing is the polymer of ethene and (methyl) acrylate metal salt.
- A kind of 6. scratch-resistant daiamid composition according to claim 1, it is characterised in that：Antioxidant be Hinered phenols, At least one of phosphorous acid esters, hindered amines, inorganic phosphate kind antioxidant.
- A kind of 7. scratch-resistant daiamid composition according to claim 1, it is characterised in that：Lubricant is stearic acid, firmly Resin acid salt, montanic acid salts, paraffin, Tissuemat E, EBS, PETS, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer At least one of.
- A kind of 8. preparation method of scratch-resistant daiamid composition described in any one of claim 1~7, it is characterised in that：Bag Include following steps：1) each component in addition to glass fibre is weighed in proportion, be stirred, premix is made；2) premix is added in the main feed mouth of double screw extruder, adds glass fibre from side charging aperture, extruding pelletization, obtain Scratch-resistant daiamid composition.
- A kind of 9. preparation method of scratch-resistant daiamid composition according to claim 8, it is characterised in that：Step 2) Double screw extruder is ratcheting type equidirectional parallel double-screw extruder, draw ratio >=32:1.
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| CN112552680A (en) * | 2020-12-11 | 2021-03-26 | 上海金发科技发展有限公司 | Efficient flame-retardant nylon composite material and preparation method thereof |
| CN112724662A (en) * | 2020-12-08 | 2021-04-30 | 金发科技股份有限公司 | Toughened wear-resistant polyamide composition and preparation method and application thereof |
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| US11572455B2 (en) | 2017-10-12 | 2023-02-07 | Si Group, Inc. | Antidegradant blend |
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| US11879050B2 (en) | 2018-05-03 | 2024-01-23 | Si Group, Inc. | Antidegradant blend |
| CN108997742A (en) * | 2018-08-22 | 2018-12-14 | 会通新材料股份有限公司 | Low smoke density bus interior material of a kind of high oxygen index (OI) and preparation method thereof |
| CN109294227A (en) * | 2018-09-30 | 2019-02-01 | 宁波塑之华塑化有限公司 | A kind of novel polyamide material and preparation method thereof substituting metal material |
| CN110804307B (en) * | 2019-11-12 | 2022-05-20 | 广州金发碳纤维新材料发展有限公司 | Carbon fiber reinforced polyamide composite material and preparation method thereof |
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| CN111574829A (en) * | 2020-04-24 | 2020-08-25 | 金发科技股份有限公司 | Polyamide composite material and preparation method thereof |
| CN112724662A (en) * | 2020-12-08 | 2021-04-30 | 金发科技股份有限公司 | Toughened wear-resistant polyamide composition and preparation method and application thereof |
| CN112724662B (en) * | 2020-12-08 | 2022-12-06 | 金发科技股份有限公司 | Toughened wear-resistant polyamide composition and preparation method and application thereof |
| CN112552680A (en) * | 2020-12-11 | 2021-03-26 | 上海金发科技发展有限公司 | Efficient flame-retardant nylon composite material and preparation method thereof |
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