CN103173007A - High-performance long-fiber-reinforced nylon composite material and preparation method thereof - Google Patents
High-performance long-fiber-reinforced nylon composite material and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to the field of a high polymer material and contour machining thereof, and relates to a nylon composite material and a preparation method thereof. The material comprises the following components in parts by weight: 40-70 parts of nylon, 30-60 parts of long fiber, 5-10 parts of compatiblizing agent, 0.5-5 parts of antioxidant and 20-100 parts of nylon alloy. Compared with the prior art, the high-performance long-fiber-reinforced nylon composite material provided by the invention can enhance the dip cladding effect of the fibers and the nylon resin melt, and prevent the solvent from hurting the environment and human body in the on-line reactive nylon resin; the long-fiber-reinforced nylon composite material prepared by blending the long-fiber-reinforced nylon granules and nylon alloy has greatly enhanced comprehensive properties, belongs to a high-performance structure-reinforced material, and can be used in constructional engineering parts to substitute light-weight metal materials and expensive engineering plastics; and the reinforced material especially satisfies the requirements of lighter weight, energy saving and environmental protection, and the working process is simple and easy to control.
Description
Technical field
The invention belongs to macromolecular material and forming process field thereof, relate to a kind of nylon composite materials and preparation method thereof.
Background technology
Polymeric amide (Polyamide, abbreviation PA) be commonly called as nylon, PA is as the 5th class general engineering plastic, have good mechanical property, chemical property, mechanical property, erosion resistance, self lubricity, electrical insulating property are good, proportion is little, be easy to machine-shaping, is widely used in the fields such as automobile, electronic apparatus, mechanical device instrument, becomes one of maximum, most widely used engineering plastics of output in the world.Although PA has higher tensile strength, good wear resistance and advantages such as erosion resistance, self lubricity, but have also that water-absorbent is large, acid resistance is poor, dry state and low temperature impact strength is low and the shortcoming such as suction after strain, make range of application be subject to certain restriction.Therefore, the study on the modification of PA has become an important topic of engineering plastics and matrix material research field, and wherein, high-performance long fiber reinforced nylon composite material and production technique exploitation thereof have also become with application the developing direction that has potentiality.This material all has huge development potentiality in fields such as automobile, machinery, electrical equipment, military projects, can be used for making bumper, engine every the cover of making an uproar, chair framework, headlight, fan, radiator grid, panel board carriage etc., also can be used as mechanical part etc., meet the requirement that alleviates quality and energy-conserving and environment-protective, be fit to current international energy shortage and in short supply lower to the future development requirement of automobile light weight less energy-consumption and the environment protection requirement of recyclable recycling.
The technology of preparing of long fiber reinforced thermoplastic composites (being called for short LFT) has original position dipping technique, powder dipping technique and melt impregnation coating technology.At present, someone adopts the original position solid state polycondensation to prepare Long Glass Fiber Reinforced PET Composite, and aaerosol solution method and powder impregnation technology prepare the PPS matrix material that roving glass fiber strengthens; But in the research of adopting the melt impregnation cladding process to prepare long fiber reinforced thermoplastic composites seldom, especially adopt the melt impregnation cladding process to prepare the researches of long fiber reinforced nylon composite material.
At present, the principal element that affects the long fiber reinforced nylon composite material over-all properties is: 1) between fiber and nylon resin, interfacial adhesion is relatively poor, and interfacial adhesion is to be improved; 2) viscosity of nylon resin melt cause resin and fiber impregnation insufficient etc.China granted patent CN 100355808C adopts nylon and nylon salt to be dissolved in solvent, with the fiber impregnation process in polymerization reaction take place, prepare the long fiber reinforced reaction type nylon resin of high strength, high-impact, this method greatly improve nylon resin viscosity large, flood inadequate problem; Patent CN 102010590A carries out the weak points such as online reaction process is restive in order to overcome the aforesaid method solvent to the harm of environment and production and moulding process, directly adopt low viscosity Nylon 6 melting and macrofiber dipping, preparation long fiber reinforced Nylon pellet.Large in order to overcome pure PA resin water-intake rate, the defective that dimensional stability is relatively poor, CN 100372855C adopts long fiber-reinforced polyolefin resin master batch and nylon resin to be blended into long fiber reinforced composite nylon/polyolefin material, but when existing two kinds of resin granular materials to mix, this method due to the incompatible problem that demixing phenomenon occurs, can not obtain excellent mechanical property.
Summary of the invention
The object of the invention is to provides a kind of high-performance long fiber reinforced nylon composite material and preparation method thereof for the defective that overcomes prior art.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of nylon composite materials, made by the component that comprises following weight part:
Nylon 40-70 part,
Macrofiber 30-60 part,
Compatilizer 5-10 part,
Oxidation inhibitor 0.5-5 part,
Nylon alloy 20-100 part.
Described nylon is one or both in nylon 6 or nylon 66.
Described macrofiber is glass fibre, carbon fiber or aramid fiber.
Described compatilizer is maleic anhydride inoculated polypropylene (PP-g-MAH), maleic anhydride grafted polyethylene (PE-g-MAH), maleic anhydride grafted ethene-octene copolymer (POE-g-MAH) or maleic anhydride graft ethylene-propylene rubber(EPR) (EPDM-g-MAH).
Described oxidation inhibitor is selected from acrylic esters anti-oxidant, primary antioxidant 1010 (four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester) and auxiliary anti-oxidant 168 (three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester) the ternary antioxidant system of composite formation, wherein the three is according to weight ratio (2-4): 1: mixture (0.5-1.5), preferred three's mass ratio are the mixture of 3: 1: 1.
Described acrylic esters anti-oxidant is selected from 3-(3, the 5-di-tert-butyl-hydroxy phenyl) one or more in acrylate, 3-(3-tert-butyl-hydroxy phenyl) acrylate or 3-(3,5-di-t-butyl-2 hydroxy phenyl) acrylate.
Described nylon alloy is a kind of in PA/PO alloy (nylon/polyolefin alloy), PA/PPO alloy (nylon/polyphenylene oxide alloy) or PA/ABS (nylon/acrylonitrile-styrene-butadiene copolymer alloy) alloy.
A kind of preparation method of nylon composite materials comprises the following steps:
(1) take above-mentioned various raw material according to said ratio, with nylon, macrofiber, nylon alloy in 90-120 ℃ of vacuum drying oven dry 3-4 hour, then the 40-70 part nylon after drying treatment, 5-10 part compatilizer, 0.5-5 part oxidation inhibitor are joined in high speed mixer and fully mixes;
(2) mixture in step (1) is joined be melt into melt in twin screw extruder;
(3) resin melt in step (2) is squeezed in the impregnation mold that is connected with the twin-screw extrusion machine head, the impregnation mold temperature is at 250-300 ℃, make the 30-60 part macrofiber after drying treatment fully be flooded, coat by melt, then cooling, traction, pelletizing namely get the long fiber reinforced nylon composite material pellet;
(4) with the long fiber reinforced nylon composite material pellet in step (3) and 20-100 part nylon alloy even blend, namely get the high-performance long fiber reinforced nylon composite material.
In described step (2), extrusion temperature is 235-285 ℃.
Beneficial effect of the present invention is:
Compared with prior art, the high-performance long fiber reinforced nylon composite material of the present invention preparation both can reinforcing fibre and the dipping covered effect of nylon resin melt, and the while is also avoided the harm of solvent to environment, human body in online response type nylon resin; On the other hand, the long fiber reinforced nylon composite material of long fiber reinforced Nylon pellet and nylon alloy blending preparation has strengthened the over-all properties of material dramatically, belong to the high performance structures strongthener, can be applicable to the Structural Engineering product and replace lightweight metal material and expensive engineering plastics; And this kind strongthener meets the requirement that alleviates quality and energy-conserving and environment-protective especially, under suitable current international energy is short and in short supply, to the future development requirement of automobile light weight less energy-consumption and the environment protection requirement of recyclable recycling, show good development potentiality and wide application prospect, and the course of processing of the present invention is simple, is easy to control.
Description of drawings
Fig. 1 is process flow diagram of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawing illustrated embodiment.
Embodiment 1
Take raw material according to following parts by weight:
40 parts of nylon PA-6,
30 parts of long glass fibress,
5 parts of Compatibilizer PP-g-MAHs,
0.5 part, oxidation inhibitor,
(wherein oxidation inhibitor consist of 0.3 part of 3-(3,5-di-tert-butyl-hydroxy phenyl) acrylic esters anti-oxidant, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168)
70 parts of PA/PO alloys.
Take various raw materials according to said ratio, with nylon, macrofiber, nylon alloy in 90-120 ℃ of vacuum drying oven dry 3-4 hour, then the nylon after drying treatment, compatilizer, oxidation inhibitor are joined in high speed mixer and fully mixes; Said mixture is joined be melt into melt in twin screw extruder, melt temperature is at 235-285 ℃; Then this resin melt is squeezed in the impregnation mold that is connected with the twin-screw extrusion machine head, the impregnation mold temperature is at 250-300 ℃, make the macrofiber after drying treatment fully be flooded, coat by melt, then cooling, traction, pelletizing namely get the long fiber reinforced nylon composite material pellet; With above-mentioned long fiber reinforced nylon composite material pellet and nylon alloy even blend, namely get the high-performance long fiber reinforced nylon composite material at last.
Embodiment 2
Take raw material according to following parts by weight:
40 parts of nylon PA-6,
45 parts of long glass fibress,
10 parts of compatilizer PE-g-MAH,
5 parts, oxidation inhibitor,
(wherein oxidation inhibitor consist of 2 parts of 3-(3-tert-butyl-hydroxy phenyl) acrylic esters anti-oxidants, 1.5 parts of antioxidant 1010s, 1.5 parts of irgasfos 168s)
80 parts of PA/PO alloys.
Take various raw materials according to said ratio, with nylon, macrofiber, nylon alloy in 90-120 ℃ of vacuum drying oven dry 3-4 hour, then the nylon after drying treatment, compatilizer, oxidation inhibitor are joined in high speed mixer and fully mixes; Said mixture is joined be melt into melt in twin screw extruder, melt temperature is at 235-285 ℃; Then this resin melt is squeezed in the impregnation mold that is connected with the twin-screw extrusion machine head, the impregnation mold temperature is at 250-300 ℃, make the macrofiber after drying treatment fully be flooded, coat by melt, then cooling, traction, pelletizing namely get the long fiber reinforced nylon composite material pellet; With above-mentioned long fiber reinforced nylon composite material pellet and nylon alloy even blend, namely get high-performance long fiber reinforced nylon composite material (as shown in Figure 1) at last.
Embodiment 3
Take raw material according to following parts by weight:
40 parts of nylon PA-6,
60 parts of long glass fibress,
7.5 parts of compatilizer POE-g-MAH,
2.5 parts, oxidation inhibitor,
(wherein oxidation inhibitor consist of 1.5 parts of acrylic esters anti-oxidants of 3-(3,5-di-t-butyl-2 hydroxy phenyl), 0.5 part of antioxidant 1010,0.5 part of irgasfos 168)
100 parts of PA/PO alloys.
Take various raw materials according to said ratio, with nylon, macrofiber, nylon alloy in 90-120 ℃ of vacuum drying oven dry 3-4 hour, then the nylon after drying treatment, compatilizer, oxidation inhibitor are joined in high speed mixer and fully mixes; Said mixture is joined be melt into melt in twin screw extruder, melt temperature is at 235-285 ℃; Then this resin melt is squeezed in the impregnation mold that is connected with the twin-screw extrusion machine head, the impregnation mold temperature is at 250-300 ℃, make the macrofiber after drying treatment fully be flooded, coat by melt, then cooling, traction, pelletizing namely get the long fiber reinforced nylon composite material pellet; With above-mentioned long fiber reinforced nylon composite material pellet and nylon alloy even blend, namely get the high-performance long fiber reinforced nylon composite material at last.
Embodiment 4
Take raw material according to following parts by weight:
55 parts of nylon PA-6,
45 parts of long carbon fibers,
10 parts of compatilizer EPDM-g-MAH,
5 parts, oxidation inhibitor,
(wherein oxidation inhibitor consist of 3 parts of acrylic esters anti-oxidants of 3-(3,5-di-t-butyl-2 hydroxy phenyl), 1 part of antioxidant 1010,1 part of irgasfos 168)
50 parts of PA/PPO alloys.
Take various raw materials according to said ratio, with nylon, macrofiber, nylon alloy in 90-120 ℃ of vacuum drying oven dry 3-4 hour, then the nylon after drying treatment, compatilizer, oxidation inhibitor are joined in high speed mixer and fully mixes; Said mixture is joined be melt into melt in twin screw extruder, melt temperature is at 235-285 ℃; Then this resin melt is squeezed in the impregnation mold that is connected with the twin-screw extrusion machine head, the impregnation mold temperature is at 250-300 ℃, make the macrofiber after drying treatment fully be flooded, coat by melt, then cooling, traction, pelletizing namely get the long fiber reinforced nylon composite material pellet; With above-mentioned long fiber reinforced nylon composite material pellet and nylon alloy even blend, namely get the high-performance long fiber reinforced nylon composite material at last.
Embodiment 5
Take raw material according to following parts by weight:
70 parts of nylon PA-6,
30 parts of long aramid fibers,
5 parts of compatilizer EPDM-g-MAH,
5 parts, oxidation inhibitor,
(wherein oxidation inhibitor consist of 4 parts of 3-(3,5-di-tert-butyl-hydroxy phenyl) acrylic esters anti-oxidants, 0.5 part of antioxidant 1010,0.5 part of irgasfos 168)
20 parts of PA/ABS alloys.
Take various raw materials according to said ratio, with nylon, macrofiber, nylon alloy in 90-120 ℃ of vacuum drying oven dry 3-4 hour, then the nylon after drying treatment, compatilizer, oxidation inhibitor are joined in high speed mixer and fully mixes; Said mixture is joined be melt into melt in twin screw extruder, melt temperature is at 235-285 ℃; Then this resin melt is squeezed in the impregnation mold that is connected with the twin-screw extrusion machine head, the impregnation mold temperature is at 250-300 ℃, make the macrofiber after drying treatment fully be flooded, coat by melt, then cooling, traction, pelletizing namely get the long fiber reinforced nylon composite material pellet; With above-mentioned long fiber reinforced nylon composite material pellet and nylon alloy even blend, namely get the high-performance long fiber reinforced nylon composite material at last.
Embodiment 6
Take raw material according to following parts by weight:
40 parts of nylon PA-66,
60 parts of long glass fibress,
5 parts of compatilizer EPDM-g-MAH,
0.5 part, oxidation inhibitor,
(wherein oxidation inhibitor consist of 0.3 part of 3-(3,5-di-tert-butyl-hydroxy phenyl) acrylic esters anti-oxidant, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168)
100 parts of PA/PPO alloys.
Take various raw materials according to said ratio, with nylon, macrofiber, nylon alloy in 90-120 ℃ of vacuum drying oven dry 3-4 hour, then the nylon after drying treatment, compatilizer, oxidation inhibitor are joined in high speed mixer and fully mixes; Said mixture is joined be melt into melt in twin screw extruder, melt temperature is at 235-285 ℃; Then this resin melt is squeezed in the impregnation mold that is connected with the twin-screw extrusion machine head, the impregnation mold temperature is at 250-300 ℃, make the macrofiber after drying treatment fully be flooded, coat by melt, then cooling, traction, pelletizing namely get the long fiber reinforced nylon composite material pellet; With above-mentioned long fiber reinforced nylon composite material pellet and nylon alloy even blend, namely get the high-performance long fiber reinforced nylon composite material at last.
Embodiment 7
Take raw material according to following parts by weight:
50 parts of nylon PA-66,
50 parts of long glass fibress,
7.5 parts of Compatibilizer PP-g-MAHs,
2.5 parts, oxidation inhibitor,
(wherein oxidation inhibitor consist of 1.5 parts of 3-(3,5-di-tert-butyl-hydroxy phenyl) acrylic esters anti-oxidants, 0.5 part of antioxidant 1010,0.5 part of irgasfos 168)
50 parts of PA/ABS alloys.
Take various raw materials according to said ratio, with nylon, macrofiber, nylon alloy in 90-120 ℃ of vacuum drying oven dry 3-4 hour, then the nylon after drying treatment, compatilizer, oxidation inhibitor are joined in high speed mixer and fully mixes; Said mixture is joined be melt into melt in twin screw extruder, melt temperature is at 235-285 ℃; Then this resin melt is squeezed in the impregnation mold that is connected with the twin-screw extrusion machine head, the impregnation mold temperature is at 250-300 ℃, make the macrofiber after drying treatment fully be flooded, coat by melt, then cooling, traction, pelletizing namely get the long fiber reinforced nylon composite material pellet; With above-mentioned long fiber reinforced nylon composite material pellet and nylon alloy even blend, namely get the high-performance long fiber reinforced nylon composite material at last.
Embodiment 8
Take raw material according to following parts by weight:
60 parts of nylon PA-66,
40 parts of long glass fibress,
10 parts of compatilizer PE-g-MAH,
0.5 part, oxidation inhibitor,
(wherein oxidation inhibitor consist of 0.3 part of 3-(3,5-di-tert-butyl-hydroxy phenyl) acrylic esters anti-oxidant, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168)
30 parts of PA/PO alloys.
Take various raw materials according to said ratio, with nylon, macrofiber, nylon alloy in 90-120 ℃ of vacuum drying oven dry 3-4 hour, then the nylon after drying treatment, compatilizer, oxidation inhibitor are joined in high speed mixer and fully mixes; Said mixture is joined be melt into melt in twin screw extruder, melt temperature is at 235-285 ℃; Then this resin melt is squeezed in the impregnation mold that is connected with the twin-screw extrusion machine head, the impregnation mold temperature is at 250-300 ℃, make the macrofiber after drying treatment fully be flooded, coat by melt, then cooling, traction, pelletizing namely get the long fiber reinforced nylon composite material pellet; With above-mentioned long fiber reinforced nylon composite material pellet and nylon alloy even blend, namely get the high-performance long fiber reinforced nylon composite material at last.
Embodiment 9
Take raw material according to following parts by weight:
70 parts of nylon PA-66,
30 parts of long glass fibress,
8 parts of compatilizer POE-g-MAH,
2 parts, oxidation inhibitor,
(wherein oxidation inhibitor consist of 1.2 parts of 3-(3,5-di-tert-butyl-hydroxy phenyl) acrylic esters anti-oxidants, 0.4 part of antioxidant 1010,0.4 part of irgasfos 168)
60 parts of PA/PO alloys.
Take various raw materials according to said ratio, with nylon, macrofiber, nylon alloy in 90-120 ℃ of vacuum drying oven dry 3-4 hour, then the nylon after drying treatment, compatilizer, oxidation inhibitor are joined in high speed mixer and fully mixes; Said mixture is joined be melt into melt in twin screw extruder, melt temperature is at 235-285 ℃; Then this resin melt is squeezed in the impregnation mold that is connected with the twin-screw extrusion machine head, the impregnation mold temperature is at 250-300 ℃, make the macrofiber after drying treatment fully be flooded, coat by melt, then cooling, traction, pelletizing namely get the long fiber reinforced nylon composite material pellet; With above-mentioned long fiber reinforced nylon composite material pellet and nylon alloy even blend, namely get the high-performance long fiber reinforced nylon composite material at last.
Embodiment 10
Take raw material according to following parts by weight:
55 parts of nylon PA-66,
45 parts of long carbon fibers,
6 parts of compatilizer EPDM-g-MAH,
4 parts, oxidation inhibitor,
(wherein oxidation inhibitor consist of 2.4 parts of 3-(3,5-di-tert-butyl-hydroxy phenyl) acrylic esters anti-oxidants, 0.8 part of antioxidant 1010,0.8 part of irgasfos 168)
50 parts of PA/PPO alloys.
Take various raw materials according to said ratio, with nylon, macrofiber, nylon alloy in 90-120 ℃ of vacuum drying oven dry 3-4 hour, then the nylon after drying treatment, compatilizer, oxidation inhibitor are joined in high speed mixer and fully mixes; Said mixture is joined be melt into melt in twin screw extruder, melt temperature is at 235-285 ℃; Then this resin melt is squeezed in the impregnation mold that is connected with the twin-screw extrusion machine head, the impregnation mold temperature is at 250-300 ℃, make the macrofiber after drying treatment fully be flooded, coat by melt, then cooling, traction, pelletizing namely get the long fiber reinforced nylon composite material pellet; With above-mentioned long fiber reinforced nylon composite material pellet and nylon alloy even blend, namely get the high-performance long fiber reinforced nylon composite material at last.
Embodiment 11
Take raw material according to following parts by weight:
45 parts of nylon PA-66,
55 parts of long aramid fibers,
7 parts of compatilizer EPDM-g-MAH,
3 parts, oxidation inhibitor,
(wherein oxidation inhibitor consist of 1.8 parts of 3-(3,5-di-tert-butyl-hydroxy phenyl) acrylic esters anti-oxidants, 0.6 part of antioxidant 1010,0.6 part of irgasfos 168)
40 parts of PA/PO alloys.
Take various raw materials according to said ratio, with nylon, macrofiber, nylon alloy in 90-120 ℃ of vacuum drying oven dry 3-4 hour, then the nylon after drying treatment, compatilizer, oxidation inhibitor are joined in high speed mixer and fully mixes; Said mixture is joined be melt into melt in twin screw extruder, melt temperature is at 235-285 ℃; Then this resin melt is squeezed in the impregnation mold that is connected with the twin-screw extrusion machine head, the impregnation mold temperature is at 250-300 ℃, make the macrofiber after drying treatment fully be flooded, coat by melt, then cooling, traction, pelletizing namely get the long fiber reinforced nylon composite material pellet; With above-mentioned long fiber reinforced nylon composite material pellet and nylon alloy even blend, namely get the high-performance long fiber reinforced nylon composite material at last.
The high-performance long fiber reinforced nylon composite material that embodiment 1-11 is prepared carries out performance test, and test result sees Table 1.
Table 1
Can find out from the data of table 1, the present invention adopts long fiber reinforced Nylon pellet and nylon alloy blending to prepare long fiber reinforced nylon composite material, the performance datas such as tensile strength, flexural strength, shock strength also show, material has the comprehensive mechanical property of thinking very much, belong to the high performance structures strongthener, can be applicable to the Structural Engineering product and replace lightweight metal material and expensive engineering plastics; Can find out also that from the heat-drawn wire data material has good thermostability.In addition, this kind strongthener meets the requirement that alleviates quality and energy-conserving and environment-protective especially, under suitable current international energy is short and in short supply, to the future development requirement of automobile light weight less energy-consumption and the environment protection requirement of recyclable recycling, show good development potentiality and wide application prospect.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and in the General Principle of this explanation is applied to other embodiment and needn't pass through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not breaking away from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (9)
1. nylon composite materials is characterized in that: made by the component that comprises following weight part:
Nylon 40-70 part,
Macrofiber 30-60 part,
Compatilizer 5-10 part,
Oxidation inhibitor 0.5-5 part,
Nylon alloy 20-100 part.
2. nylon composite materials according to claim 1, it is characterized in that: described nylon is one or both in nylon 6 or nylon 66.
3. nylon composite materials according to claim 1, it is characterized in that: described macrofiber is glass fibre, carbon fiber or aramid fiber.
4. nylon composite materials according to claim 1, it is characterized in that: described compatilizer is maleic anhydride inoculated polypropylene, maleic anhydride grafted polyethylene, maleic anhydride grafted ethene-octene copolymer or maleic anhydride graft ethylene-propylene rubber(EPR).
5. nylon composite materials according to claim 1, it is characterized in that: described oxidation inhibitor is selected from acrylic esters anti-oxidant, four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and three (2, the 4-di-tert-butyl-phenyl) the ternary antioxidant system of the composite formation of phosphorous acid ester, wherein the three is according to weight ratio (2-4): 1: mixture (0.5-1.5), preferred three's mass ratio are the mixture of 3: 1: 1.
6. nylon composite materials according to claim 5, it is characterized in that: described acrylic esters anti-oxidant is selected from 3-(3, the 5-di-tert-butyl-hydroxy phenyl) one or more in acrylate, 3-(3-tert-butyl-hydroxy phenyl) acrylate or 3-(3,5-di-t-butyl-2 hydroxy phenyl) acrylate.
7. nylon composite materials according to claim 1 is characterized in that: described nylon alloy is a kind of in nylon/polyolefin alloy, nylon/polyphenylene oxide alloy or nylon/acrylonitrile-styrene-butadiene copolymer alloy.
8. the preparation method of arbitrary described nylon composite materials in a claims 1-7 is characterized in that: comprise the following steps:
(1) take various raw materials according to proportioning claimed in claim 1, with nylon, macrofiber, nylon alloy in 90-120 ℃ of vacuum drying oven dry 3-4 hour, then the 40-70 nylon after drying treatment, 5-10 part compatilizer, 0.5-5 part oxidation inhibitor are joined in high speed mixer and fully mixes;
(2) mixture in step (1) is joined be melt into melt in twin screw extruder;
(3) resin melt in step (2) is squeezed in the impregnation mold that is connected with the twin-screw extrusion machine head, the impregnation mold temperature is at 250-300 ℃, make the 30-60 part macrofiber after drying treatment fully be flooded, coat by melt, then cooling, traction, pelletizing namely get the long fiber reinforced nylon composite material pellet;
(4) with the long fiber reinforced nylon composite material pellet in step (3) and 20-100 part nylon alloy even blend, namely get the high-performance long fiber reinforced nylon composite material.
9. method according to claim 8 is characterized in that: in described step (2), extrusion temperature is 235-285 ℃.
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| CN110643172A (en) * | 2018-06-26 | 2020-01-03 | 泰兴汤臣压克力有限公司 | Preparation method of nylon alloy material in acrylic line plate |
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| CN110643172A (en) * | 2018-06-26 | 2020-01-03 | 泰兴汤臣压克力有限公司 | Preparation method of nylon alloy material in acrylic line plate |
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| CN109354864A (en) * | 2018-11-06 | 2019-02-19 | 镇江恒创纺织机械有限公司 | Weaving heald frame production method based on carbon fibre composite |
| CN110256801A (en) * | 2019-01-28 | 2019-09-20 | 江苏澳盛复合材料科技有限公司 | A kind of fibre reinforced ABS plastic master batch and its preparation method and application |
| CN110256801B (en) * | 2019-01-28 | 2022-01-21 | 江苏澳盛复合材料科技有限公司 | Carbon fiber reinforced ABS plastic master batch and preparation method and application thereof |
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