CN105670280A - Glass-fiber-reinforced polyamide 6 (PA6) material for vehicle lights and preparation method thereof - Google Patents
Glass-fiber-reinforced polyamide 6 (PA6) material for vehicle lights and preparation method thereof Download PDFInfo
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- CN105670280A CN105670280A CN201610203169.6A CN201610203169A CN105670280A CN 105670280 A CN105670280 A CN 105670280A CN 201610203169 A CN201610203169 A CN 201610203169A CN 105670280 A CN105670280 A CN 105670280A
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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
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three 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
- C08L2205/03—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 glass-fiber-reinforced polyamide 6 (PA6) material for vehicle lights and a preparation method thereof. The glass-fiber-reinforced PA6 material for vehicle lights is composed of the following components in parts by weight: 45-65 parts of PA6, 25-35 parts of glass fiber, 5-10 parts of glass microballoon, 5-10 parts of POE-G, 0.4-0.8 part of silicone powder, 0.3-0.5 part of lubricant, 0.1-0.2 part of antioxidant and 0.2-0.4 part of heat stabilizer. The preparation method comprises the following steps: adding the PA6 and POE-G into a mixing machine, carrying out primary mixing, adding the glass microballoons, silicone powder and an aid bag, blending, adding into a double screw extruder, compounding, and carrying out extrusion while adding the glass fibers; and cooling the extruded strip to room temperature through a water tank, and granulating with a granulator.
Description
Technical field
The invention belongs to field of material technology, be specifically related to a kind of glass fiber reinforced nylon 6 material for car light and preparation method.
Background technology
Fast development along with society, the a large amount of of the fields such as home-use car, car for public affairs and bus, taxi, Transportation Vehicle for Logistics popularize, make the glass fiber enhanced nylon with excellent abrasive resistance, thermostability, electrical property and dimensional stability, it is widely used in the products such as auto industry articles for use, textile product and electric tool, especially automotive lamp product. Car light kind generally divides external modulation, interior lamp, headlight, lampet etc. And nylon belongs to polyamide, polyamide is that toughness cutin shape is translucent or creamy white crystals resin, often make cylindrical pellets, the polyamide molecular weight being used as plastics is generally 1.5 ten thousand-2 ten thousand, general reinforcing material improves properties of nylons, adds a certain amount of glass fibre and carry out strengthening and obtaining glass fiber enhanced nylon in nylon resin. Adding the glass fibre of 30% in nylon, the mechanical property of PA, dimensional stability, thermostability, ageing-resistant performance are significantly improved, and endurance life is 2.5 times not strengthened. Reinforcing material has glass fibre, asbestos fibre, carbon fiber, titanium etc., wherein based on glass fibre, improve the thermostability of nylon, dimensional stability, rigidity, mechanical performance (hot strength and bending strength), particularly mechanical performance is obviously improved, and becomes the engineering plastics of function admirable.
Close embodiment in prior art: such as application number: 2012104373670, denomination of invention: do not reveal glass fiber reinforced nylon 6 and the processing technology thereof of fibre, be made up of by weight following component, nylon 6:49.5-95%, alkali-free glass fiber: 5-50%, heat stabilizer: 0.1-3.0%, glass inorganic agent: 0.1-3.0%, other auxiliary agents: 0.3-5.5%, glass and nylon 6 two-phase interface good combination in material, product surface glass does not expose, substantially increase the fineness of product surface, make product elegant in appearance, such that it is able to by this raw material for the product that surface smoothness or aesthetic measure requirement is higher. for another example application number: 2012105722768, denomination of invention: special glass fiber reinforced nylon 6 material of water meter water pump and preparation method thereof, including the following each component counted by weight: nylon 6 is 42.4-53 part, glass fibre is 40 parts, toughener is 5-15 part, compatilizer is 0.8 part, antioxidant is 0.3 part, coupling agent 1.0 parts, lubricant is 0.3-0.5 part, described toughener is ethylene-vinyl acetate copolymer (EVA), described lubricant is ethylene bis stearamide graft (TAF), have employed a kind of special toughener EVA, solve the water resistance simultaneously effective adding composite of nylon material poor toughness problem, and reduce commercial production cost, have found a kind of high performance lubricant TFA simultaneously, also there is the function preventing glass from leaking outside while playing lubrication, and product good combination property, outward appearance is good, surface is without floating fine phenomenon.
The technology of above-mentioned two patent disclosure all can have certain limitation, does not reveal the glass fiber reinforced nylon 6 of fibre and processing technology thereof and does not reveal the effect of fibre only up to surface, but there may be certain limitation for its intensity the strict car light of matching requirements; And special glass fiber reinforced nylon 6 material of water meter water pump and preparation method thereof comparatively speaking its intensity should reach, but while it reaches not reveal fibre, its mobility is improved little, is unfavorable for processing.
Summary of the invention
It is an object of the invention to provide a kind of glass fiber reinforced nylon 6 material for car light and preparation method, there is the glass fiber enhanced nylon of good appearance, high intensity, the required high intensity of assembling, good product appearance are not only reached, otherwise address also improves the mobility of product while not revealing fine problem, contribute to the processing of product.
A kind of glass fiber reinforced nylon 6 material for car light, its component and weight portion be: PA6:45-65 part; Glass fibre: 25-35 part; Glass microballoon: 5-10 part; POE-G:5-10 part; Silicone powder: 0.4-0.8 part; Lubricant: 0.3-0.5 part; Antioxidant: 0.1-0.2 part; Heat stabilizer: 0.2-0.4 part.
Further, described antioxidant is one or more mixture in antioxidant 1010, antioxidant 1076, irgasfos 168.
Further, described heat stabilizer is one or both mixture in zinc stearate, calcium stearate.
Further, described lubricant is one or both mixture in Tissuemat E or pentaerythritol stearate.
In order to make glass fibre and nylon 6 compatibility better, make glass fibre can play better reinforced effects in nylon 6 material, therefore described glass fibre is carried out pretreatment, method is: with dehydrated alcohol for solvent, preparation silane coupler solution, the volume ratio of described dehydrated alcohol and described silane coupler is 1:1-2, subsequently glass fibre is placed in the silane coupler solution configured and processes, the mass ratio of glass fibre and coupling agent is 95-98:2-5, it is loaded in container subsequently in placement drying oven at 115 DEG C-120 DEG C dry 80-85 minute, dry to glass fibre, it is cooled to room temperature standby.
In order to improve glass microballoon interior lubrication in the material further, improving the surface smoothness of goods, the particle diameter of described glass microballoon is 5-9 μm.
In order to improve the comprehensive mechanical property of material further, the glass fibre of the present invention simultaneously adding material gross mass 30%-35% and the toughener of material gross mass 5%-10%.
In order to solve the floating fibre on surface further, improve product mobility, the glass microballoon of the present invention simultaneously adding material gross mass 5%-10% and the silicone powder of material gross mass 0.4%-0.8%.
A kind of preparation method of the glass fiber reinforced nylon 6 material for car light, PA6, POE-G are proportionally joined in mixer and carry out just mixing, add glass microballoon, silicone powder and auxiliary agent bag afterwards and carry out blended, join after mix homogeneously double screw extruder carries out mixing, in extrusion add glass fibre extrude; Extrusion material strip is cooled to room temperature through tank, by pelleter pelletize.
Further, described double screw extruder each district temperature is: one section: 170-185 DEG C; Two-stage nitration: 230-250 DEG C; Three sections: 250-265 DEG C; Head 255-265 DEG C.
Compared with prior art, advantages of the present invention and have the benefit effect that the present invention has prepared a kind of high-performance, had the glass fiber reinforced nylon 6 material of good appearance.Nylon 6 adds glass fibre, toughener etc. and improves the mechanical property of material, add glass microballoon and silicone powder and solve the floating fibre on surface, improve product mobility, improve the processing technique of product. Result shows the increase with glass fiber content, and the hot strength of material, bending strength are greatly improved, and impact strength is then complex, toughener adds, the toughness of material is greatly improved, and adds the glass of 30%-35% and the toughener of 5%-10%, and the comprehensive mechanical property of material is best. And the silicone powder of the glass microballoon and 0.4%-0.8% adding 5%-10% completely solves surface floating fiber.
Accompanying drawing explanation
Fig. 1. the preparation flow schematic diagram of the glass fiber reinforced nylon 6 material for car light of the present invention.
Detailed description of the invention
Below in conjunction with detailed description of the invention, technical scheme is described in further detail.
In recent years, glass fiber reinforced nylon 6 (PA6) investigation of materials is deepened by people day by day, nylon 6 material has excellent wearability, thermostability and electrical property, mechanical strength is high, energy self-extinguishment, dimensional stability is good, is widely used in auto industry product, textile product, impeller of pump and one-level precision engineering parts.
A kind of glass fiber reinforced nylon 6 material for car light of the present invention, its component and weight portion be: PA6:45-65 part; Glass fibre: 25-35 part; Glass microballoon: 5-10 part; POE-G (maleic anhydride graft POE uses as toughener): 5-10 part; Silicone powder: 0.4-0.8 part; Lubricant: 0.3-0.5 part; Antioxidant: 0.1-0.2 part; Heat stabilizer: 0.2-0.4 part.
In order to make the compatibility between glass fibre and nylon 6 better, glass fibre is made to play better reinforced effects in nylon 6 material, described glass fibre is carried out pretreatment by the present invention, method is: with dehydrated alcohol for solvent, preparation silane coupler solution, the volume ratio of described dehydrated alcohol and described silane coupler is 1:1-2, it is preferably 1:1, subsequently glass fibre is placed in the silane coupler solution configured and processes, the mass ratio of glass fibre and silane coupler is 95-98:2-5, it is preferably 98:2, it is loaded in container subsequently in placement drying oven at 115 DEG C-120 DEG C dry 80-85 minute, dry to glass fibre, it is cooled to room temperature standby.
Described antioxidant is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester (antioxidant 1010), one or more mixture in β-positive octadecanol ester (antioxidant 1076) of (3,5-di-tert-butyl-hydroxy phenyl) propanoic acid or three [2.4-di-tert-butyl-phenyl] phosphite ester (irgasfos 168s).
Described heat stabilizer is one or both mixture in zinc stearate, calcium stearate.
Described lubricant is one or both mixture in Tissuemat E (1105A) or pentaerythritol stearate (PETS).
Nylon 6 (PA6) belongs to polyamide, has amino, amino to have polarity, can attract each other because of the effect of hydrogen bond on its main chain, so the easy crystallization of nylon.
Maleic anhydride graft POE (POE-G) is that reacted extruding graft maleic anhydride prepares, it is on nonpolar molecular backbone, introduce highly polar side base, maleic anhydride graft POE can become the bridge promoting polar material with non-polar material cementability and the compatibility, therefore POE-G uses as toughener and compatilizer in glass fiber enhanced nylon.
In the glass fiber enhanced nylon of the present invention, addition glass microballoon and silicone powder solve the floating fibre of material surface.The particle diameter of described glass microballoon is 5-9 μm, and it is mainly composed of silicon dioxide, plays the effect of interior lubrication in the material, improves the surface smoothness of goods. described silicone powder has good heat stability and resistance to migration, the lubricity of product can be significantly improved, release property and mobility, substantially reduce the coefficient of friction of product surface, improve slipping, promote surface silk quality sense of touch, the surface gloss improving enhancing system goods belongs to highly-efficient lubricant, while inside and outside lubrication can being played in engineering plastics, its maximum advantage is to prevent glass fibre from exposing, improve processing fluidity and reduce screw torque, improve the effect of product surface fineness, glass fiber reinforced materials greatly improved glass emergence on the surface and product surface is coarse, the problem of machining equipment serious wear. when the silicone powder of glass microballoon and 0.4%-0.8% of the 5%-10% of adding material gross mass, improve surface floating fiber best results.
By increasing glass fiber content, the hot strength of material, bending strength are greatly improved, and impact strength is then complex. Adding toughener (POE-G), the toughness of material is greatly improved. Add glass fibre in nylon 6, toughener can improve the mechanical property of material, makes the glass fiber reinforced materials that intensity is significantly high simultaneously. When the glass of the 30%-35% of adding material gross mass, during the toughener of 5%-10%, the comprehensive mechanical property of material is best.
A kind of preparation method of the glass fiber reinforced nylon 6 material for car light of the present invention, as shown in Figure 1. PA6, POE-G are proportionally joined high-speed mixer batch mixing and carries out just mixed, the mixing 2-3min of low speed, add glass microballoon, silicone powder and auxiliary agent bag (including lubricant, antioxidant, heat stabilizer) afterwards and carry out blended, the mixing 2-3min of low speed, the mixing 3-4min of high speed, join after mix homogeneously double screw extruder carries out mixing, in extrusion add glass fibre extrude. When described low speed is mixing, rotating speed is 400-500rpm, and when described high speed is mixing, rotating speed is 800-900rpm, and described double screw extruder each district temperature is: one section: 170-185 DEG C; Two-stage nitration: 230-250 DEG C; Three sections: 250-265 DEG C; Head 255-265 DEG C. Extrusion material strip is cooled to room temperature through tank, by pelleter pelletize.
In the present invention, substance is compatible with raw material, first pass through mode batch mixing in the mixed pot of height of physical blending, afterwards by extrusion by PA6, POE-G and glass microballoon and silicone powder etc. reach ageing-resistant effect by chemical modification and heat stabilizer and antioxidant, glass microballoon is recycled by fiberglass reinforced, silicone powder etc. improve drawing abillity, improve the mobility of product, material is made to reach to strengthen, there is the product requirement of good appearance, improve the processing technique of material, make the preparation method of glass fiber enhanced nylon simpler and be more widely used. the composite of the present invention mainly adopts the method for blended enhancing to prepare, the production line that can utilize double screw extruder produces, and adding glass microballoon and silicone powder to not only improve processing technique and also make product appearance be very significantly improved, improve the mobility of product, being added in of glass fibre is also greatly reduced production cost while improving dimensional stability.
Embodiment 1
A kind of glass fiber reinforced nylon 6 material for car light, its component and weight portion be: PA6:65 part;Glass fibre: 25 parts; Glass microballoon: 5 parts; Toughener POE-G:5 part; Silicone powder: 0.4 part; Lubricant polyethylene wax 1105A:0.3 part; Antioxidant 1010: 0.2 part; Heat stabilizer zinc stearate: 0.3 part; The particle diameter of described glass microballoon is 5-7 μm.
Preparation method is as shown in Figure 1, PA6, POE-G are proportionally joined high-speed mixer batch mixing and carries out just mixed, low mixed 2 minutes, add glass microballoon, silicone powder and auxiliary agent bag afterwards and carry out blended, low mixed 2 minutes, high mixed 3 minutes, join after mix homogeneously and double screw extruder carries out mixing, extrusion adds glass fibre and extrudes. Described double screw extruder each district temperature is: one section: 170-185 DEG C; Two-stage nitration: 230-250 DEG C; Three sections: 250-265 DEG C; Head 255-265 DEG C. Extrusion material strip is cooled to room temperature through tank, by pelleter pelletize.
Embodiment 2
A kind of glass fiber reinforced nylon 6 material for car light, its component and weight portion be: PA6:63 part; Glass fibre: 25 parts; Glass microballoon: 6 parts; Toughener POE-G:6 part; Silicone powder: 0.4 part; Lubricant pentaerythritol stearate: 0.3 part; Antioxidant 1076: 0.2 part; Heat stabilizer zinc stearate: 0.3 part; The particle diameter of described glass microballoon is 5-7 μm.
Preparation method, as shown in Figure 1. PA6, POE-G are proportionally joined high-speed mixer batch mixing and carries out just mixed, low mixed 2 minutes, add glass microballoon, silicone powder and auxiliary agent bag afterwards and carry out blended, low mixed 2 minutes, high mixed 3 minutes, join after mix homogeneously double screw extruder carries out mixing, in extrusion add glass fibre extrude. Described double screw extruder each district temperature is: one section: 170-185 DEG C; Two-stage nitration: 230-250 DEG C; Three sections: 250-265 DEG C; Head 255-265 DEG C. Extrusion material strip is cooled to room temperature through tank, by pelleter pelletize.
Embodiment 3
A kind of glass fiber reinforced nylon 6 material for car light, its component and weight portion be: PA6:55 part; Glass fibre: 30 parts; Glass microballoon: 7 parts; Toughener POE-G:8 part; Silicone powder: 0.6 part; Lubricant polyethylene wax 1105A:0.3 part; Antioxidant 1010: 0.2 part; Heat stabilizer calcium stearate: 0.3 part; The particle diameter of described glass microballoon is 6-9 μm.
Preparation method, as shown in Figure 1. PA6, POE-G are proportionally joined high-speed mixer batch mixing and carries out just mixed, low mixed 2 minutes, add glass microballoon, silicone powder and auxiliary agent bag afterwards and carry out blended, low mixed 2 minutes, high mixed 3 minutes, join after mix homogeneously double screw extruder carries out mixing, in extrusion add glass fibre extrude. Described double screw extruder each district temperature is: one section: 170-185 DEG C; Two-stage nitration: 230-250 DEG C; Three sections: 250-265 DEG C; Head 255-265 DEG C. Extrusion material strip is cooled to room temperature through tank, by pelleter pelletize.
Embodiment 4
A kind of glass fiber reinforced nylon 6 material for car light, its component and weight portion be: PA6:49 part; Glass fibre: 35 parts; Glass microballoon: 8 parts; Toughener POE-G:8 part; Silicone powder: 0.8 part; Lubricant pentaerythritol stearate: 0.4 part; Irgasfos 168: 0.2 part; Heat stabilizer calcium stearate: 0.3 part; The particle diameter of described glass microballoon is 6-8 μm.
Preparation method, as shown in Figure 1. PA6, POE-G are proportionally joined high-speed mixer batch mixing and carries out just mixed, low mixed 2 minutes, add glass microballoon, silicone powder and auxiliary agent bag afterwards and carry out blended, low mixed 2 minutes, high mixed 3 minutes, join after mix homogeneously double screw extruder carries out mixing, in extrusion add glass fibre extrude.Described double screw extruder each district temperature is: one section: 170-185 DEG C; Two-stage nitration: 230-250 DEG C; Three sections: 250-265 DEG C; Head 255-265 DEG C. Extrusion material strip is cooled to room temperature through tank, by pelleter pelletize.
Embodiment 5
A kind of glass fiber reinforced nylon 6 material for car light, its component and weight portion be: PA6:45 part; Glass fibre: 35 parts; Glass microballoon: 10 parts; Toughener POE-G:10 part; Silicone powder: 0.8 part; Lubricant polyethylene wax 1105A:0.5 part; Antioxidant 1076: 0.2 part; Heat stabilizer zinc stearate and calcium stearate mixture: 0.3 part; The particle diameter of described glass microballoon is 7-9 μm.
Preparation method, as shown in Figure 1. PA6, POE-G are proportionally joined high-speed mixer batch mixing and carries out just mixed, low mixed 2 minutes, add glass microballoon, silicone powder and auxiliary agent bag afterwards and carry out blended, low mixed 2 minutes, high mixed 3 minutes, join after mix homogeneously double screw extruder carries out mixing, in extrusion add glass fibre extrude. Described double screw extruder each district temperature is: one section: 170-185 DEG C; Two-stage nitration: 230-250 DEG C; Three sections: 250-265 DEG C; Head 255-265 DEG C. Extrusion material strip is cooled to room temperature through tank, by pelleter pelletize.
Glass fiber reinforced nylon 6 material prepared by above-described embodiment is carried out performance test, result is as shown in table 1: with the increase of glass fiber content, to reach the product of excellent performance, good appearance effect, it is necessary to improve the consumption of toughener, glass microballoon and silicone powder simultaneously.
The performance test results of glass fiber reinforced nylon 6 material prepared by embodiment and comparative example in table 1 present invention
Above example is only several in the several preferred implementation of the present invention, it is noted that the invention is not restricted to above-described embodiment; For the person of ordinary skill of the art, still the technical scheme described in previous embodiment can be modified, or wherein portion of techniques feature is carried out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of present invention technical scheme required for protection.
Claims (10)
1. the glass fiber reinforced nylon 6 material for car light, it is characterised in that its component and weight portion be: PA6:45-65 part; Glass fibre: 25-35 part; Glass microballoon: 5-10 part; POE-G:5-10 part; Silicone powder: 0.4-0.8 part; Lubricant: 0.3-0.5 part; Antioxidant: 0.1-0.2 part; Heat stabilizer: 0.2-0.4 part.
2. a kind of glass fiber reinforced nylon 6 material for car light according to claim 1, it is characterised in that described antioxidant is one or more mixture in antioxidant 1010, antioxidant 1076, irgasfos 168.
3. a kind of glass fiber reinforced nylon 6 material for car light according to claim 1, it is characterised in that described heat stabilizer is one or both mixture in zinc stearate, calcium stearate.
4. a kind of glass fiber reinforced nylon 6 material for car light according to claim 1, it is characterised in that described lubricant is one or both mixture in Tissuemat E or pentaerythritol stearate.
5. a kind of glass fiber reinforced nylon 6 material for car light according to claim 1, it is characterized in that, the preprocess method of described glass fibre is: with dehydrated alcohol for solvent, preparation silane coupler solution, the volume ratio of described dehydrated alcohol and described silane coupler is 1:1-2, subsequently glass fibre is placed in the silane coupler solution configured and processes, the mass ratio of glass fibre and coupling agent is 95-98:2-5, it is loaded in container subsequently in placement drying oven at 115 DEG C-120 DEG C dry 80-85 minute, dry to glass fibre, it is cooled to room temperature standby.
6. a kind of glass fiber reinforced nylon 6 material for car light according to claim 1, it is characterised in that the particle diameter of described glass microballoon is 5-9 μm.
7. a kind of glass fiber reinforced nylon 6 material for car light according to any one of claim 1-6, it is characterised in that the simultaneously toughener of the glass fibre of adding material gross mass 30%-35% and material gross mass 5%-10%.
8. a kind of glass fiber reinforced nylon 6 material for car light according to any one of claim 1-6, it is characterised in that the simultaneously silicone powder of the glass microballoon of adding material gross mass 5%-10% and material gross mass 0.4%-0.8%.
9. the preparation method for the glass fiber reinforced nylon 6 material of car light, it is characterized in that, PA6, POE-G are proportionally joined in mixer and carry out just mixing, add glass microballoon, silicone powder and auxiliary agent bag afterwards and carry out blended, join after mix homogeneously double screw extruder carries out mixing, in extrusion add glass fibre extrude; Extrusion material strip is cooled to room temperature through tank, by pelleter pelletize.
10. the preparation method of a kind of glass fiber reinforced nylon 6 material for car light according to claim 9, it is characterised in that described double screw extruder each district temperature is: a section: 170-185 DEG C; Two-stage nitration: 230-250 DEG C; Three sections: 250-265 DEG C; Head 255-265 DEG C.
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| CN107286642A (en) * | 2017-06-30 | 2017-10-24 | 徐州腾飞工程塑料有限公司 | A kind of high strength petroleum centralizer nylon material |
| CN107815746A (en) * | 2017-11-14 | 2018-03-20 | 天津长芦海晶集团有限公司 | The preparation method of high-hydroscopicity easy dyeing modified polyamine fibre |
| CN113045893A (en) * | 2021-04-24 | 2021-06-29 | 上海谦宇新材料有限公司 | Reinforced flame-retardant nylon and preparation method thereof |
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