CN111423721A - Talcum powder reinforced nylon composite material suitable for desktop processing environment and preparation method and application thereof - Google Patents

Talcum powder reinforced nylon composite material suitable for desktop processing environment and preparation method and application thereof Download PDF

Info

Publication number
CN111423721A
CN111423721A CN202010276344.0A CN202010276344A CN111423721A CN 111423721 A CN111423721 A CN 111423721A CN 202010276344 A CN202010276344 A CN 202010276344A CN 111423721 A CN111423721 A CN 111423721A
Authority
CN
China
Prior art keywords
talcum powder
nylon
temperature
reinforced nylon
printing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010276344.0A
Other languages
Chinese (zh)
Inventor
桑琳
郭政川
彭兴双
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian University of Technology
Original Assignee
Dalian University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dalian University of Technology filed Critical Dalian University of Technology
Priority to CN202010276344.0A priority Critical patent/CN111423721A/en
Publication of CN111423721A publication Critical patent/CN111423721A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02Organic and inorganic ingredients
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00Processes of additive manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00Materials specially adapted for additive manufacturing
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/16Nitrogen-containing compounds
    • C08K5/17Amines; Quaternary ammonium compounds
    • C08K5/18Amines; Quaternary ammonium compounds with aromatically bound amino groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/36Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41Compounds containing sulfur bound to oxygen
    • C08K5/42Sulfonic acids; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)

Abstract

The invention provides a talcum powder reinforced nylon composite material suitable for a desktop processing environment and a preparation method and application thereof. The talcum powder reinforced nylon composite material comprises the following components in parts by weight: 80 to 94 portions of nylon, 5 to 10 portions of talcum powder, 0.5 to 7.5 portions of surfactant and 0.5 to 2.5 portions of antioxidant. The product obtained according to the technical scheme provided by the invention has excellent performance which is not possessed by common nylon materials and is easy to prepare into a 3D printing wire rod in a desktop extruder, and meanwhile, the prepared wire rod can be ensured to have uniform wire diameter, high roundness of the cross section and good mechanical property, and can be applied to the field of 3D printing consumables, and the surface state of a printed product is good. The problems that the wire diameter of the existing nylon material is difficult to control in the 3D printing wire rod preparation process, the round jump degree of the cross section of a wire rod finished product is large, and the mechanical property is poor are solved, and the application of nylon in the 3D printing field is further promoted.

Description

Talcum powder reinforced nylon composite material suitable for desktop processing environment and preparation method and application thereof
Technical Field
The invention relates to the technical field of 3D printing, in particular to a talcum powder reinforced nylon composite material suitable for a desktop processing environment and a preparation method and application thereof.
Background
3D printing is additive manufacturing technique, is one kind of rapid prototyping technique, because have that ordinary processing technology does not possess production cycle short, to design complexity degree tolerance high, to operating personnel skill require low, portable manufacturing etc. remarkable advantage, be known as "the most symbolic production tool of third industrial revolution".
The nylon used as the material for FDM type 3D printing has the main advantages of relatively low manufacturing cost, excellent sintering performance of products, light weight and high strength. However, the diameter of the pure nylon is difficult to control in the process of preparing the 3D printing wire, and the printing quality of the product is directly influenced.
How to improve the processability of nylon in the 3D printing wire preparation process without reducing the strength of the product becomes a problem to be solved urgently at present, and therefore, it is necessary to design a reinforced nylon composite material and a preparation method thereof, which will certainly promote the research of nylon in the 3D printing field while improving the printing quality of the nylon material product, so that the application field of the nylon is wider.
Disclosure of Invention
According to the technical problem that the line diameter of the nylon material is not easy to control in the 3D printing process, the talcum powder reinforced nylon composite material suitable for the desktop processing environment and the preparation method and application thereof are provided.
The technical means adopted by the invention are as follows:
the talcum powder reinforced nylon composite material suitable for the desktop processing environment is characterized by comprising the following components in parts by weight:
80-94 parts of nylon, 5-10 parts of talcum powder, 0.5-7.5 parts of surfactant and 0.5-2.5 parts of antioxidant.
Further, the nylon is nylon 6, nylon 66 or nylon 12, preferably nylon 6.
Further, the talcum powder is 1000-mesh talcum powder.
Further, the surfactant is one or a mixture of more than one of an anionic surfactant, a cationic surfactant and a nonionic surfactant, preferably, the selected anionic surfactant is sodium dodecyl benzene sulfonate, the selected cationic surfactant is cetyl trimethyl ammonium bromide, and the selected nonionic surfactant is lauryl polyoxyethylene ether.
Further, the antioxidant is one or a mixture of more than one of a phenol antioxidant, a bisphenol antioxidant and an aromatic amine antioxidant, preferably, the bisphenol antioxidant is bisphenol A and bisphenol C, and the aromatic amine antioxidant is diphenylamine and p-phenylenediamine.
The invention also provides a preparation method of the talcum powder reinforced nylon composite material suitable for the desktop processing environment, which is characterized by comprising the following steps of:
s1, drying: putting nylon granules, talcum powder, a surfactant and an antioxidant which are prepared into a drying box in preset parts by weight and drying;
s2, mixing and stirring: fully stirring and mixing the nylon granules obtained in the step S1, talcum powder, surfactant and antioxidant;
s3, melt blending and granulating: and (4) putting the mixture obtained in the step S2 into a double-screw extruder, extruding strips, and crushing to obtain the talcum powder reinforced nylon granules.
Further, in the drying method in step S1, the nylon granules, the talc powder, the surfactant, and the antioxidant are placed in a clean container; the stacking thickness of the nylon granules is not more than 20 mm; the drying temperature is 100 ℃; the drying time is 8-12 h; stirring the mixture in the step S2 for 10-15 min by a high-speed stirrer at the rotating speed of 300-500 rpm; in the step S3, the rotating speed of a screw of the double-screw extruder is 30-80 rpm; the double-screw extruder is divided into five sections of heating areas from a feeding port to a discharging port, and the temperatures of the five sections of heating areas are as follows in sequence: the temperature of the first area is 240-250 ℃, the temperature of the second area is 240-250 ℃, the temperature of the third area is 240-250 ℃, the temperature of the fourth area is 240-250 ℃, the temperature of the fifth area is 240-250 ℃, and the temperature of the die head is 240-250 ℃.
The invention also discloses a method for preparing the 3D printing wire rod by using the talcum powder reinforced nylon composite material, which is characterized in that the talcum powder reinforced nylon granules prepared by the preparation method are dried and then put into a single-screw extruder to be extruded to prepare the 3D printing wire rod with the required diameter.
Further, putting the talcum powder reinforced nylon granules into a container and drying the granules in a drying box, wherein the stacking thickness of the granules is not more than 20mm, the drying temperature is 100 ℃, and the drying time is 8-12 h; the single-screw extruder is divided into two heating zones, the temperature of the first zone is 260-267 ℃, the temperature of the second zone is 265-271 ℃, and the rotating speed of a main shaft of the single-screw extruder is 25-30 rpm.
The invention also discloses a 3D printing method which is characterized in that the printing wire prepared by the wire preparation method is printed by 3D printing equipment.
Compared with the prior art, the invention has the following advantages:
1. compared with pure nylon resin, the 3D printing composite material (talcum powder reinforced nylon composite material) prepared by the invention is more suitable for preparing 3D printing wires, and the wire diameter of a 3D printing wire finished product can be easily controlled by operating according to the technical scheme, so that the 3D printing wires with more uniform wire diameters are obtained.
2. Compared with the common pure nylon wire, the 3D printing wire prepared from the 3D printing composite material has higher tensile strength and similar bending strength.
3. The 3D printing wire prepared by the invention is suitable for being extruded into wires by a double-screw extruder and has good compatibility with a laboratory desktop single-screw extruder. And the addition of the surfactant enables the distribution of the talcum powder additive in the prepared 3D printing wire rod to be more uniform, and the obtained 3D printing wire rod product has good dimensional stability and stable mechanical properties.
In conclusion, the product obtained according to the technical scheme provided by the invention has the excellent performance which is not possessed by common nylon materials and is easy to prepare into a 3D printing wire rod in a desktop-level extruder, and meanwhile, the prepared wire rod can be ensured to have uniform wire diameter, high cross section roundness and good mechanical property, and the product can be applied to the field of 3D printing consumables and has good surface state of a printed product. The problems that the wire diameter of the existing nylon material is difficult to control in the 3D printing wire rod preparation process, the round jump degree of the cross section of a wire rod finished product is large, and the mechanical property is poor are solved, and the application of nylon in the 3D printing field is further promoted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a diagram of a finished product of a talc powder reinforced nylon printing wire prepared in example 2 of the present invention.
Fig. 2 is a display of the e-PA6 printed wire of comparative example 1 of the present invention.
Fig. 3 is a comparison of a neat nylon printing wire made according to comparative example 2 of the present invention with the finished wire of example 2, comparative example 1.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The invention provides a talcum powder reinforced nylon composite material which comprises the following components in parts by weight: 80 to 94 portions of nylon, 5 to 10 portions of talcum powder, 0.5 to 7.5 portions of surfactant and 0.5 to 2.5 portions of antioxidant. Wherein the talcum powder is uniformly dispersed in the nylon resin in a granular form, the nylon particles are PA6 particles, and the talcum powder is 1000-mesh talcum powder.
The invention also discloses a preparation method of the talcum powder reinforced nylon composite material, which comprises the following steps:
(1) respectively placing the nylon granules, the talcum powder, the surfactant and the antioxidant into a clean container, wherein the stacking thickness of the nylon granules is not more than 20mm, and then placing the nylon granules, the talcum powder, the surfactant and the antioxidant into an oven to be dried for 8-12 h at the drying temperature of 100 ℃.
(2) Putting the dried nylon granules, the talcum powder, the surfactant and the antioxidant into a high-speed stirrer, adjusting the rotating speed to 300-500 rpm, and stirring for 10-15 min.
(3) Placing the uniformly-stirred mixture into a double-screw extruder, adjusting the double-screw extruder to divide the mixture into five sections of heating areas from a feeding port to a discharge port, wherein the temperatures of the heating areas are as follows in sequence: the temperature of the first area is 240-250 ℃, the temperature of the second area is 240-250 ℃, the temperature of the third area is 240-250 ℃, the temperature of the fourth area is 240-250 ℃, the temperature of the fifth area is 240-250 ℃, and the temperature of the die head is 240-250 ℃.
(4) And (3) putting the strips extruded by the double-screw extruder into a plastic crusher for cutting and granulating. And drying the mixture in the step (1). Obtaining the finished talcum powder reinforced nylon composite material.
The invention also provides application of the talcum powder reinforced nylon composite material prepared by the method in 3D printing, namely preparation of a 3D printing wire, which specifically comprises the following steps:
(1) and (3) placing the dried talcum powder reinforced nylon particles into a single-screw extruder, and adjusting the temperature of a first zone of the single-screw extruder to 264-267 ℃ and the temperature of a second zone of the single-screw extruder to 265-271 ℃.
(2) And adjusting the rotating speed of the single-screw extruder and the rotating speed of the winding machine according to the diameter of the required 3D printing wire to obtain the undried talcum powder reinforced nylon 3D printing wire.
(3) And (3) placing the obtained material in the step (2) in a drying oven, adjusting the temperature to 70-90 ℃, and drying for 12h to obtain the finished product of the 3D printing wire.
Preferably, the 3D printing wire of step (2) has a diameter of 1.75mm ± 0.05 mm.
The invention also provides a 3D printing method, which is used for printing the 3D printing wire rod produced by the method by using 3D printing equipment.
Example 1
The invention provides a preparation method of a talcum powder reinforced nylon composite material and a preparation method of a 3D printing wire, which specifically comprise the following steps:
(1) weighing 840g of PA6 (a production manufacturer: Tai-Young Nylon Co., Ltd.), 100g of talcum powder (1000 meshes), 50g of sodium dodecyl benzene sulfonate, 5g of hindered phenol antioxidant and 5g of diphenylamine antioxidant, and drying at 100 ℃ for 12 hours respectively to obtain a first product;
(2) stirring the first product at the rotation speed of 500rpm for 10min to obtain a second product;
(3) and melting, blending, extruding and granulating the second product by a double-screw extruder to obtain a third product, wherein the temperatures of all sections of the double-screw extruder from a feeding port to a discharging port are sequentially 245 ℃ in the first zone, 246 ℃ in the second zone, 247 ℃ in the third zone, 248 ℃ in the fourth zone, 250 ℃ in the fifth zone and 250 ℃ in a die head.
(4) Drying the third product at 100 ℃ for 12h to obtain a fourth product;
(5) and melting and extruding the fourth product by a single-screw extruder to manufacture a 3D printing wire rod with the diameter of 1.75 +/-0.05 mm, wherein the temperature of a first area of the single-screw extruder is 264 ℃, the temperature of a second area of the single-screw extruder is 269 ℃, and the rotating speed of a main shaft is 25 rpm. The wire product is dried for 12 hours at the temperature of 80 ℃ to obtain the final finished product.
Example 2
The invention provides a preparation method of a talcum powder reinforced nylon composite material and a preparation method of a 3D printing wire, which specifically comprise the following steps:
(1) weighing 870g of PA6 (Tai-Young Nylon Co., Ltd.), 70g of talcum powder (1000 meshes), 35g of sodium dodecyl benzene sulfonate, 15g of hindered phenol antioxidant and 10g of diphenylamine antioxidant, and drying at 100 ℃ for 12h respectively to obtain a first product;
(2) stirring the first product at the rotation speed of 500rpm for 10min to obtain a second product;
(3) and the second product is subjected to melt blending extrusion granulation by a double-screw extruder to obtain a third product, and the temperature of each section from a feeding port to a discharge port of the double-screw extruder is as follows: the temperature in the first zone was 247 deg.C, the temperature in the second zone was 248 deg.C, the temperature in the third zone was 249 deg.C, the temperature in the fourth zone was 250 deg.C, the temperature in the fifth zone was 250 deg.C, and the die temperature was 250 deg.C.
(4) Drying the third product at 100 ℃ for 12h to obtain a fourth product;
(5) and the fourth product is subjected to melt extrusion and wire manufacturing by a single-screw extruder to prepare a 3D printing wire rod with the diameter of 1.75 +/-0.05 mm, wherein the temperature of the first zone of the single-screw extruder is 265 ℃, the temperature of the second zone of the single-screw extruder is 271 ℃, and the rotating speed of a main shaft is 30 rpm. The wire product is dried for 12 hours at 80 ℃ to obtain a final product, as shown in figure 1.
Example 3
The invention provides a preparation method of a talcum powder reinforced nylon composite material and a preparation method of a 3D printing wire, which specifically comprise the following steps:
(1) weighing 910g of PA6 (Tai-Young Nylon Co., Ltd.), 50g of talcum powder (1000 meshes), 25g of sodium dodecyl benzene sulfonate, 10g of hindered phenol antioxidant and 5g of diphenylamine antioxidant, and drying at 100 ℃ for 12h respectively to obtain a first product;
(2) stirring the first product at the rotation speed of 500rpm for 10min to obtain a second product;
(3) and the second product is subjected to melt blending extrusion granulation by a double-screw extruder to obtain a third product, and the temperature of each section from a feeding port to a discharge port of the double-screw extruder is as follows: the temperature in the first zone is 248 ℃, the temperature in the second zone is 248 ℃, the temperature in the third zone is 249 ℃, the temperature in the fourth zone is 249 ℃, the temperature in the fifth zone is 250 ℃ and the temperature in the die head is 250 ℃.
(4) Drying the third product at 100 ℃ for 12h to obtain a fourth product;
(5) and melting and extruding the fourth product by a single-screw extruder to manufacture a 3D printing wire rod with the diameter of 1.75 +/-0.05 mm, wherein the temperature of the first zone of the single-screw extruder is 261 ℃, the temperature of the second zone of the single-screw extruder is 266 ℃, and the rotating speed of a main shaft is 30 rpm. The wire product is dried for 12 hours at 80 ℃ to obtain the final product.
Example 4
The invention provides a 3D printing method, which comprises the following steps:
the consumable prepared in experimental example 3 is used for a 3D printer, the temperature of a spray head is 250 ℃, the temperature of a hot bed is 80 ℃, the printing speed is 20mm/s, and a standard tensile sample strip recommended by GB/T1040.2-2006 is printed.
Comparative example 1
Tensile strength test specimens and bending strength test specimens were printed out using a 3D printer according to GB/T1040.2-2006 and GB/T9341-2000 using E-PA6 wire (shown in FIG. 2) manufactured by Hakken company as a comparative example. The temperature of the printer nozzle is 250 ℃ and the temperature of the platform is 80 ℃.
The final experimental data were measured as follows:
TABLE 1E-PA 63D printing wire, tensile Strength bending Strength of the product of inventive example 3
Tensile strength Bending strength
Example 3 67.50MPa 85.53MPa
Comparative example 1 33.5MPa 88.13MPa
It is evident from the above table that the tensile strength of the article of comparative example 1 is only 49.6% of that of example 3 according to the invention, and the flexural strength remains close.
Comparative example 2
(1) Weighing 300g of PA6 (Tai-Young Nylon Co., Ltd.) and drying at 100 deg.C for 12h to obtain a first product;
(2) and (3) melting and extruding the first product through a single-screw extruder to manufacture a 3D printing wire rod, and drying the wire rod product at 80 ℃ for 12 hours to obtain a final finished product. The effect of comparison with example 2 and comparative example 1 is shown in fig. 3, from which it can be seen that comparative example 1(C) and example 2(B) produced finished wires having more uniform wire diameters than comparative example 2 (a). And the printed wire prepared in example 2 of the present invention has higher tensile strength and bending strength than those of comparative example 1.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The talcum powder reinforced nylon composite material suitable for the desktop processing environment is characterized by comprising the following components in parts by weight:
80-94 parts of nylon, 5-10 parts of talcum powder, 0.5-7.5 parts of surfactant and 0.5-2.5 parts of antioxidant.
2. The talc reinforced nylon composite of claim 1, wherein said nylon is nylon 6, nylon 66 or nylon 12.
3. The talc reinforced nylon composite of claim 1, wherein said talc is 1000 mesh talc.
4. The talc-reinforced nylon composite according to claim 1, wherein said surfactant is one or a mixture of more than one of anionic surfactant, cationic surfactant and nonionic surfactant.
5. The talcum powder reinforced nylon composite material of claim 1, wherein the antioxidant is one or a mixture of more than one of phenolic antioxidant, bisphenol antioxidant and aromatic amine antioxidant.
6. A preparation method of the talcum powder reinforced nylon composite material suitable for the desktop processing environment as defined in any one of claims 1 to 5, which is characterized by comprising the following steps:
s1, drying: putting nylon granules, talcum powder, a surfactant and an antioxidant which are prepared into a drying box in preset parts by weight and drying;
s2, mixing and stirring: fully stirring and mixing the nylon granules obtained in the step S1, talcum powder, surfactant and antioxidant;
s3, melt blending and granulating: and (4) putting the mixture obtained in the step S2 into a double-screw extruder, extruding strips, and crushing to obtain the talcum powder reinforced nylon granules.
7. The method for preparing a talc-reinforced nylon composite according to claim 6, wherein in the drying method in step S1, the nylon pellets are stacked to a thickness of not more than 20 mm; the drying temperature is 100 ℃; the drying time is 8-12 h; stirring the mixture in the step S2 for 10-15 min by a high-speed stirrer at the rotating speed of 300-500 rpm; in the step S3, the rotating speed of a screw of the double-screw extruder is 30-80 rpm; the double-screw extruder is divided into five sections of heating areas from a feeding port to a discharging port, and the temperatures of the five sections of heating areas are as follows in sequence: the temperature of the first area is 240-250 ℃, the temperature of the second area is 240-250 ℃, the temperature of the third area is 240-250 ℃, the temperature of the fourth area is 240-250 ℃, the temperature of the fifth area is 240-250 ℃, and the temperature of the die head is 240-250 ℃.
8. The method for preparing the 3D printing wire rod by using the talcum powder reinforced nylon composite material is characterized in that the 3D printing wire rod with the required diameter is prepared by drying the talcum powder reinforced nylon granules prepared by the preparation method of claim 6 and then putting the dried granules into a single-screw extruder for extrusion.
9. The method for preparing the 3D printing wire rod according to claim 8, wherein the talcum powder reinforced nylon granules are placed in a container and dried in a drying box, the stacking thickness of the talcum powder reinforced nylon granules is not more than 20mm, the drying temperature is 100 ℃, and the drying time is 8-12 hours; the single-screw extruder is divided into two heating zones, the temperature of the first zone is 260-267 ℃, the temperature of the second zone is 265-271 ℃, and the rotating speed of a main shaft of the single-screw extruder is 25-30 rpm.
10. A 3D printing method, characterized in that the printing wire prepared by the method of claim 8 is printed with a 3D printing apparatus.
CN202010276344.0A 2020-04-09 2020-04-09 Talcum powder reinforced nylon composite material suitable for desktop processing environment and preparation method and application thereof Pending CN111423721A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010276344.0A CN111423721A (en) 2020-04-09 2020-04-09 Talcum powder reinforced nylon composite material suitable for desktop processing environment and preparation method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010276344.0A CN111423721A (en) 2020-04-09 2020-04-09 Talcum powder reinforced nylon composite material suitable for desktop processing environment and preparation method and application thereof

Publications (1)

Publication Number Publication Date
CN111423721A true CN111423721A (en) 2020-07-17

Family

ID=71553729

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010276344.0A Pending CN111423721A (en) 2020-04-09 2020-04-09 Talcum powder reinforced nylon composite material suitable for desktop processing environment and preparation method and application thereof

Country Status (1)

Country Link
CN (1) CN111423721A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107151442A (en) * 2017-05-26 2017-09-12 褚建英 A kind of laser sintering rapid forming nylon composite materials and preparation method thereof
CN107760024A (en) * 2016-08-18 2018-03-06 黑龙江鑫达企业集团有限公司 A kind of nylon based composites of 3D printing neck protector and preparation method thereof
CN109575584A (en) * 2018-11-20 2019-04-05 贵州航天天马机电科技有限公司 A kind of 3D printing nylon wire rod and preparation method thereof
CN110240796A (en) * 2018-03-09 2019-09-17 中国石油化工股份有限公司 Soft consumptive material composition of 3D printing and the preparation method and application thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107760024A (en) * 2016-08-18 2018-03-06 黑龙江鑫达企业集团有限公司 A kind of nylon based composites of 3D printing neck protector and preparation method thereof
CN107151442A (en) * 2017-05-26 2017-09-12 褚建英 A kind of laser sintering rapid forming nylon composite materials and preparation method thereof
CN110240796A (en) * 2018-03-09 2019-09-17 中国石油化工股份有限公司 Soft consumptive material composition of 3D printing and the preparation method and application thereof
CN109575584A (en) * 2018-11-20 2019-04-05 贵州航天天马机电科技有限公司 A kind of 3D printing nylon wire rod and preparation method thereof

Similar Documents

Publication Publication Date Title
US20180201737A1 (en) Compositions for use in fused filament 3d fabrication and method for manufacturing same
JP6496106B2 (en) Recycling of wide objects with thermoplastic stabilizing materials
CN107216517B (en) Preparation method of ultrahigh molecular weight polyethylene 3D printing supplies
CN104004283A (en) Environment-friendly two-way stretching polystyrene sheet material for printing and manufacture method thereof
CN109575584B (en) Nylon wire for 3D printing and preparation method thereof
CN104231417A (en) Polyolefin barium sulfate transparent masterbatch and preparation method thereof
CN111423720A (en) 3D printing-oriented modified carbon fiber reinforced polyamide 6 composite material and preparation method and application thereof
CN105086094A (en) Environment-friendly wood-plastic board and preparation method thereof
CN111423721A (en) Talcum powder reinforced nylon composite material suitable for desktop processing environment and preparation method and application thereof
KR101798633B1 (en) Manufacture method of recycle or new polypropylene
CN104559121A (en) Modification production method of polycarbonate engineering plastic
CN104119592A (en) Polyethylene enhanced packaging belt and preparation method thereof
CN106046658A (en) High-glossiness spraying-free scratch-resistant novel environment-friendly modified material and preparation method thereof
CN106467651A (en) A kind of PC ABS for thin-gage goods and preparation method thereof
TWI496675B (en) Glass fiber reinforced thermoplastic synthetic resin composites for the production of compressed products
CN105949712B (en) A kind of amino film plastics product waste material reuse method
CN106273048A (en) A kind of preparation method of antioxidation master batch
CN107841090A (en) A kind of impact resistance PEEK composites
CN111187456B (en) High-density polyethylene composition, preparation method thereof, 3D printing material and application thereof
KR101464119B1 (en) chaff pallet and manufacturing method of chaff pallet base material, and its products using them
CN111171591A (en) Extrusion molding formula and molding method for PE plastic wood without granulation
CN108003582B (en) A kind of polylactic acid wood plastics composite wire rod and its preparation method and application
CN115210209A (en) Process for preparing bisphenol F in solid form
WO2012137575A1 (en) Device for producing pellet, and method for producing pellet
CN104194237A (en) Polyisoprene composite winding film material and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200717

RJ01 Rejection of invention patent application after publication