CN108997745A - A kind of enhancing nylon material and preparation method thereof - Google Patents
A kind of enhancing nylon material and preparation method thereof Download PDFInfo
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- CN108997745A CN108997745A CN201811003898.2A CN201811003898A CN108997745A CN 108997745 A CN108997745 A CN 108997745A CN 201811003898 A CN201811003898 A CN 201811003898A CN 108997745 A CN108997745 A CN 108997745A
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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
- 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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Abstract
The present invention relates to a kind of enhancing nylon materials and preparation method thereof, belong to technical field of polymer materials.The technical solution adopted is that: a kind of enhancing nylon material, by mass percentage, consist of the following compositions: 6~15% PA66 resin, 35~45% PA6 resin, 1~5% compatilizer, 35~50% glass fibre, 0.1~0.8% antioxidant, 1.5~5% modified talc powder, 0.1~1.5% lubricant and 2~8% anti-floating fibre agent, the anti-floating fibre agent is at least one of KX98, TAF, LYKX19 or HBP-C100.The enhancing nylon material with excellent mechanical performance and excellent surface performance is made by the complex role of Multiple components in the present invention.
Description
Technical field
The present invention relates to technical field of polymer materials more particularly to a kind of enhancing nylon material and preparation method thereof.
Background technique
Nylon, also referred to as polyamide are the general names of the thermoplastic resin containing recurring amide radical group on molecular backbone, have good
Good comprehensive performance, including mechanical property, heat resistance, wear resistance etc., coefficient of friction is low, is widely used in machinery, automobile, electricity
The fields such as sub- electric appliance, aviation are commonly used for synthetic fibers, engineering plastics and casting mold wearing piece.But with nylon material application field
Widen, it is also higher and higher to the performance requirement of nylon material, in order to improve the mechanical property of nylon, need to change nylon
Property.
In the prior art, publication No. is that the Chinese patent of CN107964240A discloses a kind of Long Glass Fiber Reinforced Pa
The preparation of composite material, including 100 parts of nylon resin, 20~30 parts of long glass fibres, 3~10 parts of toughener, flowable 0.5~
2 parts, 1~2 part of antioxidant and 2~4.5 parts of heat stabilizer, the enhancing nylon composite materials have good rigidity, impact resistance
And resistance to acid and alkali, but its toughness, tensile strength are relatively poor, if continuing growing the content of glass fibre, it is strong can to improve stretching
Degree, but enhance nylon composite materials surface and the problems such as floating fine, glossiness declines easily occur, influence the dimensional stability and table of material
Face appearance.
Summary of the invention
The purpose of the present invention is to provide a kind of enhancing nylon materials, have excellent mechanical property and good superficiality
The advantages of energy.
Above-mentioned purpose of the invention has the technical scheme that
A kind of enhancing nylon material consists of the following compositions by mass percentage: 6~15% PA66 resin, 35~45%
PA6 resin, 1~5% compatilizer, 35~50% glass fibre, 0.1~0.8% antioxidant, 1.5~5% modification
Talcum powder, 0.1~1.5% lubricant and 2~8% anti-floating fibre agent, the anti-floating fibre agent be KX98, TAF, LYKX19 or
At least one of HBP-C100.
Implement above-mentioned technical proposal, is basic resin with PA66 resin and PA6 resin, using glass fibre as reinforcing material,
Enhancing nylon material is obtained after compatilizer, antioxidant, lubricant, modified talc powder and anti-floating fibre agent is added.Compatilizer can increase
Add the compatibility of PA66 resin, PA6 resin and glass fibre, lubricant being capable of reinforced plastic PA66 resin and PA6 resin work in-process
Mobility and glass fibre dispersibility, be conducive to improve enhancing nylon material mechanical strength.When the content of glass fibre
When higher, easily there is " floating fibre " phenomenon, i.e. glass emergence on the surface on the surface of enhancing nylon material, adding the agent of anti-floating fibre in formula has
Conducive to glass fibre is reduced in the aggregation on enhancing nylon material surface, the compatibility and glass of glass fibre and nylon resin are improved
The phenomenon that dispersibility of glass fiber in the material, improvement glass emergence on the surface.Talcum powder is a kind of by natural hydrosilicate mineral
Processing crushes obtained material, and modified talc powder is activated to talcum powder surface, to improve talcum powder and nylon tree
Compatibility between rouge.Modified talc powder is conducive to improve the tensile property and bending property of enhancing nylon material, improves enhancing
The dimensional stability of nylon material.Modified talc powder can cooperate with compatilizer, lubricant and anti-floating fibre agent in this way, improve enhancing
The compatibility and melt index of nylon material are conducive to improve dispersion of the glass fibre in enhancing nylon material, and energy and glass
The cooperation of glass fiber, generates synergistic effect, is conducive to the mechanical property for improving enhancing nylon material.
Further, the compatilizer is at least one in PP-g-MAH, POE-g-MAH, ABS-g-MAH or PE-g-MAH
Kind.
Implement above-mentioned technical proposal, compatilizer is also referred to as expanding material, refers to by means of intermolecular bonding force, promotes incompatible
Two kinds of polymer be combined together, and then obtain the auxiliary agent of stable blend.Wherein, PP-g-MAH, POE-g-MAH,
ABS-g-MAH and PE-g-MAH is polypropylene, polyolefin elastomer, acrylonitrile-butadiene-styrene copolymer and poly- second respectively
The graft product of alkene and maleic anhydride makes material polarity with higher and reactivity by introducing strongly polar reactive group.
Polyolefin elastomer is the thermoplastic elastomer (TPE) of ethylene and octene in-situ polymerization, and maleic anhydride stem grafting polyolefin elastomer has excellent
Different toughness and good processability is conducive to improve dispersion effect of the glass fibre in nylon base-material.Maleic anhydride grafting
Acrylonitrile-butadiene-styrene copolymer is conducive to improve processability, crystallinity and the heat resistance of enhancing nylon material.
Further, the glass fibre is surface modification of silica glass fibre, the nano silica table
Face modified glass-fiber is prepared as follows: in deionized water by dopamine dissolution, it is configured to aqueous dopamine solution, it will
The pH value of aqueous dopamine solution is adjusted to 8~9, and glass fibre, stirring 20~be added receive afterwards for 24 hours are added into aqueous dopamine solution
Rice silica, stir 40~80min after be separated by solid-liquid separation to get；The dosage of the glass fibre and nano silica
Mass ratio is 1:0.08~0.15.
Implement above-mentioned technical proposal, surface is carried out to glass fibre using nano silica and is modified, first in glass fibre
Surface forms poly-dopamine layer makes nano silica in fiberglass surfacing shape using poly-dopamine layer adsorption of nanoparticles
At cluster of particle, the surface roughness of glass fibre is increased, is conducive to the mechanical property for improving enhancing nylon resin, delays nylon
The failure strain of reinforced resin.
Further, the modified talc powder the preparation method is as follows: using ethyl alcohol as solvent, configuration quality percentage is 0.5
~1% silane coupler solution, silane coupler solution is poured into talcum powder, is stirred simultaneously, and 20~40min is stirred
Afterwards dry to get.
Implement above-mentioned technical proposal, talcum powder is become hydrophobic from hydrophilic using silane coupling agent, increases talcum powder and Buddhist nun
The matching of imperial resin is conducive to improve the adhesion strength between talcum powder and nylon resin.
Further, the dosage mass ratio of the modified talc powder and lubricant is 7.5~10:1.
Implement above-mentioned technical proposal, modified talc powder compounds under above-mentioned mass ratio with lubricant, is conducive to enhancing and is modified
The mating reaction of talcum powder and lubricant, and then be conducive to improve the melt index of nylon resin, promote glass fibre in nylon
Dispersion in resin reduces abrasion of the glass fibre to production equipment.
Further, the antioxidant is phenolic antioxidant, phosphite antioxidant and stearic bicine diester base thiobis propionic acid rouge
In at least two.
Implement above-mentioned technical proposal, antioxidant can delay or inhibit the oxidation process of polymer, be conducive to prevent polymer
Aging simultaneously prolongs its service life, and phenolic antioxidant has scavenging effect to the free radical in polymer, passes through at least two antioxygens
Agent compounding, collaboration inhibits and the oxidation of interference enhancing nylon material.
Further, by mass percentage, it consists of the following compositions: 8~12% PA66 resin, 38~43% PA6
Resin, 1.5~3% POE-g-MAH, 40~46% surface modification of silica glass fibre, 0.1~0.5%
Antioxidant, 2.3~3.6% modified talc powder, 0.3~0.8% silicone master batch and 3~6% LYKX19.
It is another object of the present invention to provide a kind of preparation methods for enhancing nylon material, comprising the following steps:
Step 1: PA66 resin and PA6 resin are dried into 2~4h under the conditions of 80~100 DEG C.
Step 2: PA66 resin, PA6 resin and the compatilizer after drying are stirred evenly by formula rate.
Step 3: glass fibre, antioxidant, modified talc is added by formula rate into the mixed material that step 2 obtains
Powder, lubricant and anti-floating fibre agent are again stirring for uniformly.
Step 4: the mixed material that step 3 is obtained adds twin-screw extrude, and the draw ratio of twin-screw is 40:1,
The temperature of double screw extruder be 200~250 DEG C, after twin-screw extrusion, after tie rod, cooling, pelletizing to get.
Implement above-mentioned technical proposal, first mixes PA66 resin, PA6 resin and compatilizer with other compositions again after mixing
It closes, is conducive to the compatibility for improving glass fibre and nylon resin, keeps mixed material each in heating melting after extruder is added
Component distributing is more uniform, after double screw extruder squeezes out, obtains enhancing nylon material by tie rod, cooling and pelletizing process
Material.
In conclusion the invention has the following advantages:
It is basic resin with PA66 resin and PA6 resin, using glass fibre as reinforcing material, compatilizer, antioxidant, lubrication is added
Enhancing nylon material obtained after agent, modified talc powder and anti-floating fibre agent, in a variety of auxiliary agents, using maleic anhydride grafted polyolefin
Olefin elastomer is as compatilizer, using silicone master batch as lubricant, cooperates with modified talc powder and anti-floating fibre agent, improves glass fibre
Compatibility between base resin, it is evenly dispersed in base resin to be conducive to glass fibre, is also beneficial to improve enhancing
The mobility of nylon material in process reduces the aggregation of glass fibre on the surface of the material and the abrasion to production equipment.
By the synergistic effect of surface modification of silica glass fibre and modified talc powder, be conducive to improve enhancing nylon material
Mechanical property, obtain the enhancing nylon material with excellent mechanical performance and excellent surface performance.
Specific embodiment
The technical solution of the embodiment of the present invention is described below.
Embodiment one
The present embodiment provides a kind of enhancing nylon materials, consist of the following compositions: the PA6 tree of the PA66 resin of 4.8kg, 28kg
Rouge, the glass fibre of PP-g-MAH, 40kg of 0.8kg, the antioxidant 1010 of 0.08kg, 0.08kg thio-2 acid two (ten
Eight) ester antioxidant, the modified talc powder of 1.2kg, the silicone master batch of 0.24kg and 4.8kg KX98.It is used in the present embodiment
Glass fibre be surface modification of silica glass fibre, modified talc powder be with silane coupling agent to talcum powder surface into
Row is modified, and other compositions are common commercial product.
The surface modification of silica glass fibre that the present embodiment uses is prepared as follows: dopamine is molten
Solution in deionized water, is configured to the aqueous dopamine solution that mass concentration is 2g/L, slow using trishydroxymethylaminomethane-hydrochloric acid
It rushes solution and the pH value of aqueous dopamine solution is adjusted to 8, the glass fibre of 40kg is added into aqueous dopamine solution, stir 20h
Afterwards be added 3.2kg nano silica, stir 40min after be separated by solid-liquid separation to get.
The modified talc powder that the present embodiment uses the preparation method is as follows: using ethyl alcohol as solvent, configuration quality percentage is
The silane coupler solution of 0.5L is poured into the talcum powder of 1.2kg, is stirred simultaneously by 0.5% silane coupler solution,
Stir 20min after at 90 DEG C dry to get.
A kind of preparation method enhancing nylon material provided in this embodiment, comprising the following steps:
Step 1: PA66 resin and PA6 resin are dried into 4h under the conditions of 80 DEG C.
Step 2: PA66 resin, PA6 resin and the PP-g-MAH after drying are stirred evenly by formula rate.
Step 3: surface modification of silica glass is added by formula rate into the mixed material that step 2 obtains
Fiber, antioxidant 1010, thio-2 acid two (18) ester antioxidant, modified talc powder, silicone master batch and KX98, are again stirring for
Uniformly.
Step 4: the mixed material that step 3 is obtained adds twin-screw extrude, and the draw ratio of twin-screw is 40:1,
Each warm area temperature in double screw extruder be followed successively by 215 DEG C, 220 DEG C, 225 DEG C, 230 DEG C, 230 DEG C, 230 DEG C, 235 DEG C and
240 DEG C, die head temperature be 240 DEG C, after twin-screw extrusion, after tie rod, cooling, pelletizing to get.
Embodiment two
The present embodiment and the difference of embodiment one essentially consist in: enhancing nylon material consists of the following compositions: the PA66 tree of 9.6kg
Rouge, the PA6 resin of 45.6kg, the glass fibre of ABS-g-MAH, 55.2kg of 1.8kg, the irgasfos 168 of 0.6kg, 0.36kg
Thio-2 acid two (18) ester antioxidant, the modified talc powder of 2.28kg, the silicone master batch of 0.96kg and 3.6kg
LYKX19.For the glass fibre used in the present embodiment for surface modification of silica glass fibre, modified talc powder is to use
Silane coupling agent is modified talcum powder surface, and other compositions are common commercial product.
The surface modification of silica glass fibre that the present embodiment uses is prepared as follows: dopamine is molten
Solution in deionized water, is configured to the aqueous dopamine solution that mass concentration is 2g/L, slow using trishydroxymethylaminomethane-hydrochloric acid
It rushes solution and the pH value of aqueous dopamine solution is adjusted to 9, the glass fibre of 56kg is added into aqueous dopamine solution, stirring is for 24 hours
Afterwards be added 8.4kg nano silica, stir 80min after be separated by solid-liquid separation to get.
The modified talc powder that the present embodiment uses the preparation method is as follows: using ethyl alcohol as solvent, configuration quality percentage is
The silane coupler solution of 1.5L is poured into the talcum powder of 2.5kg, is stirred simultaneously, stirred by 1% silane coupler solution
Mix dried at 90 DEG C after 40min to get.
A kind of preparation method enhancing nylon material provided in this embodiment, comprising the following steps:
Step 1: PA66 resin and PA6 resin are dried into 2h under the conditions of 100 DEG C.
Step 2: PA66 resin, PA6 resin and the ABS-g-MAH after drying are stirred evenly by formula rate.
Step 3: surface modification of silica glass is added by formula rate into the mixed material that step 2 obtains
Fiber, irgasfos 168, thio-2 acid two (18) ester antioxidant, modified talc powder, silicone master batch and LYKX19, are stirred again
It mixes uniformly.
Step 4: the mixed material that step 3 is obtained adds twin-screw extrude, and the draw ratio of twin-screw is 40:1,
Each warm area temperature in double screw extruder be followed successively by 215 DEG C, 220 DEG C, 225 DEG C, 230 DEG C, 230 DEG C, 235 DEG C, 240 DEG C and
245 DEG C, die head temperature be 245 DEG C, after twin-screw extrusion, after tie rod, cooling, pelletizing to get.
Embodiment three
The present embodiment and the difference of embodiment one essentially consist in: enhancing nylon material consists of the following compositions: the PA66 tree of 9kg
Rouge, the PA6 resin of 64.5kg, the glass fibre of POE-g-MAH, 60kg of 3kg, the antioxidant 1010 of 0.3kg, 0.45kg it is anti-
Oxygen agent 168, the modified talc powder of 7.5kg, the silicone master batch of 0.75kg and 4.5kg LYKX19.The glass used in the present embodiment
Glass fiber is surface modification of silica glass fibre, and modified talc powder is to be carried out with silane coupling agent to talcum powder surface
Modified, other compositions are common commercial product.
The surface modification of silica glass fibre that the present embodiment uses is prepared as follows: dopamine is molten
Solution in deionized water, is configured to the aqueous dopamine solution that mass concentration is 2g/L, slow using trishydroxymethylaminomethane-hydrochloric acid
It rushes solution and the pH value of aqueous dopamine solution is adjusted to 8.5, the glass fibre of 60kg, stirring are added into aqueous dopamine solution
After 22h be added 6kg nano silica, stir 60min after be separated by solid-liquid separation to get.
The modified talc powder that the present embodiment uses the preparation method is as follows: using ethyl alcohol as solvent, configuration quality percentage is
The silane coupler solution of 5L is poured into the talcum powder of 7.5kg, is stirred simultaneously, stirred by 0.8% silane coupler solution
Mix dried at 90 DEG C after 30min to get.
A kind of preparation method enhancing nylon material provided in this embodiment, comprising the following steps:
Step 1: PA66 resin and PA6 resin are dried into 3h under the conditions of 90 DEG C.
Step 2: PA66 resin, PA6 resin and the POE-g-MAH after drying are stirred evenly by formula rate.
Step 3: surface modification of silica glass is added by formula rate into the mixed material that step 2 obtains
Fiber, irgasfos 168, antioxidant 1010, modified talc powder, silicone master batch and LYKX19 are again stirring for uniformly.
Step 4: the mixed material that step 3 is obtained adds twin-screw extrude, and the draw ratio of twin-screw is 40:1,
Each warm area temperature in double screw extruder be followed successively by 210 DEG C, 255 DEG C, 255 DEG C, 265 DEG C, 260 DEG C, 255 DEG C, 245 DEG C and
245 DEG C, die head temperature be 265 DEG C, after twin-screw extrusion, after tie rod, cooling, pelletizing to get.
Example IV is to seven
The constituent dosage of the enhancing nylon material of example IV to seven is as shown in table 1, the nanometer of preparation method and use
Silica surface modified glass fibre, modified talc powder to prepare uniform embodiment three identical.
The enhancing nylon material constituent dosage of 1 example IV of table to seven
Comparative example one
The main distinction of this comparative example and embodiment one is: the glass fibre that the enhancing nylon material of this comparative example uses is general
Lead to commercially available glass fibre.This comparative example is the same as example 1 at being grouped as with preparation method.
Comparative example two
The main distinction of this comparative example and embodiment one is: the enhancing nylon material of this comparative example in being grouped as without containing changing
Property talcum powder.The other compositions composition and preparation method of this comparative example are the same as example 1.
Product testing
According to GB/T 1040.1-2006 standard to made from each embodiment and comparative example enhance nylon material tensile strength,
Elongation at break is tested；According to the standard of GB/T 9341-2008 to enhancing nylon material made from each embodiment and comparative example
The bending strength and bending modulus of material are tested；Increase according to the standard of ASTM D1238 to made from each embodiment and comparative example
The melt index of strong nylon material is detected；According to the standard of GB/T1843-2008 to made from each embodiment and comparative example
The Izod notched impact strength of enhancing nylon material is tested.Test result is as shown in table 2.
The test result of each embodiment and comparative example of table 2
As can be seen from Table 2, the enhancing nylon material that various embodiments of the present invention are prepared has excellent mechanical property, drawing
It stretches intensity, elongation at break, bending strength, bending modulus, melt index etc. and is significantly better than that comparative example, it was demonstrated that enhancing Buddhist nun
Modified talc powder or the glass fibre of use is not used to destroy and match without nano-silicon dioxide modified in the formula of imperial material
Synergistic effect in side between Multiple components will lead to the mechanical properties decrease of enhancing nylon material.Visually observe each implementation
The enhancing nylon material product of example and comparative example, the product surface of each embodiment is smooth, fine without floating, the product table of comparative example one
Face is more smooth, and the product surface of comparative example two is slightly coarse, and may be seen indistinctly floating fibre.In various embodiments, embodiment three and seven
Enhance nylon material performance be better than other embodiments, it was demonstrated that using surface modification of silica glass fibre as reinforcing material,
Using POE-g-MAH as compatilizer, using silicone master batch as lubricant, and improved silica and the dosage mass ratio of silicone master batch exist
The enhancing nylon material that formula within the scope of 7.5~10:1 is produced has better mechanical property.Example IV and embodiment six
Enhancing nylon material performance be better than embodiment one, two and five, it was demonstrated that compatilizer use POE-g-MAH when, with silicone master batch, change
Property talcum powder and anti-floating fibre agent have replacement compounding act synergistically.Nylon reinforcements formula provided by the invention is simple, significantly
The mechanical property of enhancing nylon material is improved, and maintains good surface property.
Claims (10)
1. a kind of enhancing nylon material, which is characterized in that by mass percentage, consist of the following compositions: 6~15% PA66
Resin, 35~45% PA6 resin, 1~5% compatilizer, 35~50% glass fibre, 0.1~0.8% antioxidant, 1.5~
5% modified talc powder, 0.1~1.5% lubricant and 2~8% anti-floating fibre agent；
The anti-floating fibre agent is at least one of KX98, TAF, LYKX19 or HBP-C100.
2. a kind of enhancing nylon material according to claim 1, which is characterized in that the compatilizer be PP-g-MAH,
At least one of POE-g-MAH, ABS-g-MAH or PE-g-MAH.
3. a kind of enhancing nylon material according to claim 1, which is characterized in that the glass fibre is nanometer titanium dioxide
Silicon face modified glass-fiber.
4. a kind of enhancing nylon material according to claim 3, which is characterized in that the surface modification of silica
Glass fibre is prepared as follows: in deionized water by dopamine dissolution, aqueous dopamine solution is configured to, by dopamine
The pH value of aqueous solution is adjusted to 8~9, and glass fibre, stirring 20~nano-silica is added afterwards for 24 hours are added into aqueous dopamine solution
SiClx, stir 40~80min after be separated by solid-liquid separation to get；The dosage mass ratio of the glass fibre and nano silica
For 1:0.08~0.15.
5. a kind of enhancing nylon material according to claim 1, which is characterized in that the preparation method of the modified talc powder
As follows: using ethyl alcohol as solvent, the silane coupler solution that configuration quality percentage is 0.5~1% falls silane coupler solution
Enter in talcum powder, be stirred simultaneously, stir 20~40min after dry to get.
6. a kind of enhancing nylon material according to claim 5, which is characterized in that the modified talc powder and lubricant
Dosage mass ratio is 7.5~10:1.
7. a kind of enhancing nylon material according to claim 1, which is characterized in that the antioxidant be phenolic antioxidant,
At least two in phosphite antioxidant and stearic bicine diester base thiobis propionic acid rouge.
8. a kind of enhancing nylon material as claimed in any of claims 1 to 7, which is characterized in that press quality percentage
Than meter, consist of the following compositions: 8~12% PA66 resin, 38~43% PA6 resin, 1.5~3% POE-g-MAH, 40~
46% surface modification of silica glass fibre, 0.2~0.5% antioxidant, 2.3~3.6% modified talc powder, 0.3
~0.8% silicone master batch and 3~6% LYKX19.
9. a kind of preparation method for enhancing nylon material as claimed in any of claims 1 to 8, which is characterized in that
The following steps are included:
Step 1: PA66 resin and PA6 resin are dried into 2~4h under the conditions of 80~100 DEG C；
Step 2: PA66 resin, PA6 resin and the compatilizer after drying are stirred evenly by formula rate；
Step 3: into the mixed material that step 2 obtains by formula rate be added glass fibre, antioxidant, modified talc powder,
Lubricant and anti-floating fibre agent are again stirring for uniformly；
Step 4: the mixed material that step 3 is obtained adds twin-screw extrude, and the draw ratio of twin-screw is 40:1, by double
After Screw Extrusion, after tie rod, cooling, pelletizing to get.
10. a kind of preparation method for enhancing nylon material according to claim 9, which is characterized in that the twin-screw squeezes
The temperature of machine is 210~265 DEG C out.
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| CN113667300A (en) * | 2021-09-14 | 2021-11-19 | 四川恒领皓睿塑胶科技有限公司 | Glass fiber reinforced engineering plastic and preparation method thereof |
| CN113897052A (en) * | 2020-07-06 | 2022-01-07 | 合肥杰事杰新材料股份有限公司 | Cast nylon 6 composite material and preparation method thereof |
| CN114933798A (en) * | 2022-06-02 | 2022-08-23 | 青岛大学 | Chopped carbon fiber reinforced nylon 6 composite material and preparation method thereof |
| CN115558288A (en) * | 2022-10-12 | 2023-01-03 | 安徽省华晟塑胶股份有限公司 | Lightweight polyamide material for automobiles and preparation method thereof |
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| CN110804306A (en) * | 2019-12-06 | 2020-02-18 | 郑州豫达纺织机械有限公司 | Material formula for strong nylon yarn tube and production method thereof |
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| CN115558288A (en) * | 2022-10-12 | 2023-01-03 | 安徽省华晟塑胶股份有限公司 | Lightweight polyamide material for automobiles and preparation method thereof |
| CN115558288B (en) * | 2022-10-12 | 2024-03-26 | 安徽省华晟塑胶股份有限公司 | Light polyamide material for automobiles and preparation method thereof |
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