Spraying-free ABS composite material suitable for FDM and preparation method thereof

Abstract

The invention belongs to the fused deposition modeling (FDM) field, and discloses a spraying-free ABS composite material suitable for FDM and a preparation method thereof. The spraying-free ABS composite material comprises following raw materials in parts by weight: 80 to 100 parts of acrylonitrile-butadiene-styrene (ABS), 2 to 10 parts of a pigment, 0 to 10 parts of a compatibilizer, 0.4 to 1.5 parts of a processing aid, and 0.1 to 0.5 part of an antioxidant; wherein the pigment is used to change the color of the composite material. The invention also discloses a preparation method of the composite material. According to the preparation method, the raw materials are mixed, modified, and granulated by a double screw extruder, and then the mixture is extruded and moulded by a single screw extruder. The prepared spraying-free ABS composite material can be made into parts with a metal color, a wood simulated color or a stone simulated color through an FDM mode; the color range and application range of a conventional ABS material are enlarged; the spraying process is eliminated, the production efficiency is improved, and the preparation method is green and environmentally friendly.

Description

technical field

[0001] The invention belongs to the field of FDM forming, and more specifically relates to a spray-free ABS composite material suitable for FDM and a preparation method thereof. A spray-free ABS composite material suitable for FDM and a preparation method thereof. Background technique

[0002] Fused Deposition Modeling (FDM) is a well-known additive manufacturing method, which is commonly used in 3D printing training institutions and other occasions for the general public. Because of its relatively simple principle and small equipment, it can be used for a long time only by purchasing printing consumables, and the maintenance cost is also low. FDM printers have appeared in a large number of maker spaces. In principle, as long as you can think of it, you can quickly make a real object, and you can quickly realize your ideas in the office, so it has been sought after by a lot of people.

[0003] The most used materials in FDM forming methods are PLA, ABS, PC, ...

Examples

Embodiment 1

[0035] (1) Use 100-mesh and 400-mesh sieves to sieve the gold powder and dry it at a temperature of 60°C to 70°C.

[0036] (2) The content of each monomer of acrylonitrile-butadiene-styrene is 25% of acrylonitrile, 10% of butadiene, and 65% of styrene. The obtained ABS material is dried at a temperature of 45 ℃~55℃.

[0037] (3) Add the following weight ratio raw materials into a high-speed mixer and mix for 2 hours.

[0038] Acrylonitrile-butadiene-styrene raw material: 80 parts

[0039] Gold dust: 3 servings

[0040] Silane coupling agent: 1 part

[0041] ST-4: 2 parts

[0042] EBS: 1 copy

[0043] Antioxidant 168: 0.2 parts

[0044] (4) Put the mixed material into the twin-screw for modification and granulation.

[0045] (5) Put the modified particles into a single screw and extrude to obtain a golden ABS composite material. After processing and printing by FDM forming method, a golden ABS part is obtained.

Embodiment 2

[0047] (1) Use 100-mesh and 400-mesh sieves to screen the silver powder, and carry out drying treatment. The drying temperature is 60°C to 70°C.

[0048] (2) The content of each monomer of acrylonitrile-butadiene-styrene is 22% of acrylonitrile, 15% of butadiene, and 63% of styrene, and the obtained ABS material is dried, and the drying temperature is 45 ℃~55℃.

[0049] (3) Add the following weight ratio raw materials into a high-speed mixer and mix for 2.5 hours.

[0050] Acrylonitrile-butadiene-styrene raw material: 85 parts

[0051] Silver powder: 10 parts

[0052] Silane coupling agent: 0.4 parts

[0053] ST-8: 3 servings

[0054] EBS: 0.8 shares

[0055] Antioxidant 618: 0.5 parts

[0056] (4) Put the mixed material into the twin-screw for modification and granulation.

[0057] (5) Put the modified particles into a single-screw and extrude to obtain a silver-colored ABS composite material. After processing and printing by FDM forming method, a silver ABS part is o...

Embodiment 3

[0059] (1) Use 100-mesh and 400-mesh sieves to sieve wood flour, and then dry it at a temperature of 45°C to 55°C.

[0060] (2) The content of each monomer of acrylonitrile-butadiene-styrene is 20% of acrylonitrile, 20% of butadiene, and 60% of styrene, and the obtained ABS material is dried, and the drying temperature is 45 ℃~55℃.

[0061] (3) Add the following weight ratio raw materials into a high-speed mixer and mix for 3 hours.

[0062] Acrylonitrile-butadiene-styrene raw material: 90 parts

[0063] Wood flour: 2 parts

[0064] Titanate coupling agent: 1 part

[0065] ST-9: 10 parts

[0066] EBS: 1 copy

[0067] Antioxidant 618: 0.3 parts

[0068] (4) Put the mixed material into the twin-screw for modification and granulation.

[0069] (5) Put the modified particles into a single screw and extrude to obtain a wood-colored ABS composite material. After processing and printing by FDM forming method, ABS parts with wood color are obtained.

technical field

[0001] The invention belongs to the field of FDM forming, and more specifically relates to a spray-free ABS composite material suitable for FDM and a preparation method thereof. A spray-free ABS composite material suitable for FDM and a preparation method thereof. Background technique

[0002] Fused Deposition Modeling (FDM) is a well-known additive manufacturing method, which is commonly used in 3D printing training institutions and other occasions for the general public. Because of its relatively simple principle and small equipment, it can be used for a long time only by purchasing printing consumables, and the maintenance cost is also low. FDM printers have appeared in a large number of maker spaces. In principle, as long as you can think of it, you can quickly make a real object, and you can quickly realize your ideas in the office, so it has been sought after by a lot of people.

[0003] The most used materials in FDM forming methods are PLA, ABS, PC, ...

Examples

Embodiment 1

[0035] (1) Use 100-mesh and 400-mesh sieves to sieve the gold powder and dry it at a temperature of 60°C to 70°C.

[0036] (2) The content of each monomer of acrylonitrile-butadiene-styrene is 25% of acrylonitrile, 10% of butadiene, and 65% of styrene. The obtained ABS material is dried at a temperature of 45 ℃~55℃.

[0037] (3) Add the following weight ratio raw materials into a high-speed mixer and mix for 2 hours.

[0038] Acrylonitrile-butadiene-styrene raw material: 80 parts

[0039] Gold dust: 3 servings

[0040] Silane coupling agent: 1 part

[0041] ST-4: 2 parts

[0042] EBS: 1 copy

[0043] Antioxidant 168: 0.2 parts

[0044] (4) Put the mixed material into the twin-screw for modification and granulation.

[0045] (5) Put the modified particles into a single screw and extrude to obtain a golden ABS composite material. After processing and printing by FDM forming method, a golden ABS part is obtained.

Embodiment 2

[0047] (1) Use 100-mesh and 400-mesh sieves to screen the silver powder, and carry out drying treatment. The drying temperature is 60°C to 70°C.

[0048] (2) The content of each monomer of acrylonitrile-butadiene-styrene is 22% of acrylonitrile, 15% of butadiene, and 63% of styrene, and the obtained ABS material is dried, and the drying temperature is 45 ℃~55℃.

[0049] (3) Add the following weight ratio raw materials into a high-speed mixer and mix for 2.5 hours.

[0050] Acrylonitrile-butadiene-styrene raw material: 85 parts

[0051] Silver powder: 10 parts

[0052] Silane coupling agent: 0.4 parts

[0053] ST-8: 3 servings

[0054] EBS: 0.8 shares

[0055] Antioxidant 618: 0.5 parts

[0056] (4) Put the mixed material into the twin-screw for modification and granulation.

[0057] (5) Put the modified particles into a single-screw and extrude to obtain a silver-colored ABS composite material. After processing and printing by FDM forming method, a silver ABS part is o...

Embodiment 3

[0059] (1) Use 100-mesh and 400-mesh sieves to sieve wood flour, and then dry it at a temperature of 45°C to 55°C.

[0060] (2) The content of each monomer of acrylonitrile-butadiene-styrene is 20% of acrylonitrile, 20% of butadiene, and 60% of styrene, and the obtained ABS material is dried, and the drying temperature is 45 ℃~55℃.

[0061] (3) Add the following weight ratio raw materials into a high-speed mixer and mix for 3 hours.

[0062] Acrylonitrile-butadiene-styrene raw material: 90 parts

[0063] Wood flour: 2 parts

[0064] Titanate coupling agent: 1 part

[0065] ST-9: 10 parts

[0066] EBS: 1 copy

[0067] Antioxidant 618: 0.3 parts

[0068] (4) Put the mixed material into the twin-screw for modification and granulation.

[0069] (5) Put the modified particles into a single screw and extrude to obtain a wood-colored ABS composite material. After processing and printing by FDM forming method, ABS parts with wood color are obtained.

Images