Reinforcing and toughening agent for 3D printing of ABS and ABS composite

An ABS material, strengthening and toughening technology, applied in the direction of additive processing, etc., can solve problems such as hindering the development of 3D printing technology, products are prone to breakage, and processing performance decline, and achieve widening application fields, fast curing rate, and excellent strength. Effect

Inactive Publication Date: 2016-04-13
HUIZHOU CHANGYI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although the mechanical properties of the prepared composite materials have been improved, the strength is not enough, and it is not prepared for 3D printing materials.
[0005] ABS resin has a two-phase heterogeneous structure of graft copolymer with elastomer as the main chain and graft copolymer with resin as the main chain, which makes it have the high chemical stability, oil resistance and surface hardness of acrylonitrile , the toughness and cold resistance of butadiene, the good dielectric properties, gloss and processability of styrene, but its strength is not high and as the molecular weight increases, the processability decreases, and the printed product is prone to breakage, Problems such as cracking have greatly hindered the development of 3D printing technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] This embodiment provides a reinforcing and toughening agent for 3D printing ABS material, which is composed of the following components by weight:

[0037] 31 parts of halloysite nanotubes modified by silane coupling agent KH550, 30 parts of said halloysite nanotubes, 1 part of said silane coupling agent; 5 parts of SBS.

[0038] The preparation method of the reinforcing and toughening agent of the present embodiment comprises the following steps:

[0039] S1. Mix the halloysite nanotubes with deionized water, and ultrasonically disperse the halloysite nanotubes at room temperature to uniformly disperse the halloysite nanotubes. After vacuum filtration, vacuum dry to constant weight at 100°C;

[0040] S2. Dissolve the silane coupling agent in a small amount of acetone and spray it on the halloysite nanotubes evenly, and vacuum dry at 80°C for 8 hours to obtain the halloysite nanotubes modified by the silane coupling agent KH550;

[0041] S3. Mix the halloysite nanotube...

Embodiment 2

[0043] This embodiment provides a reinforcing and toughening agent for 3D printing ABS material, which is composed of the following components by weight:

[0044] 37 parts of halloysite nanotubes modified by silane coupling agent KH550, including 36 parts of halloysite nanotubes and 1 part of KH550;

[0045] 8 parts of SBS toughening agent.

[0046] The preparation method of the reinforcing and toughening agent of the present embodiment comprises the following steps:

[0047] S1. Mix the halloysite nanotubes with deionized water, and ultrasonically disperse the halloysite nanotubes at room temperature to uniformly disperse the halloysite nanotubes. After vacuum filtration, vacuum dry to constant weight at 105°C;

[0048] S2. Dissolving the coupling agent in a small amount of acetone and spraying it evenly on the halloysite nanotubes, vacuum drying at 80°C for 8 hours to obtain the halloysite nanotubes modified by silane coupling agent KH550;

[0049] S3. Mix the halloysite n...

Embodiment 3

[0051] This embodiment provides a reinforcing and toughening agent for 3D printing ABS material, which is composed of the following components by weight:

[0052] 44 parts of halloysite nanotubes modified by silane coupling agent KH550, including 42 parts of halloysite nanotubes and 2 parts of KH550;

[0053]10 servings of SBS.

[0054] The preparation method of the reinforcing and toughening agent of the present embodiment comprises the following steps:

[0055] S1. Mix the halloysite nanotubes with deionized water, and ultrasonically disperse the halloysite nanotubes at room temperature to uniformly disperse the halloysite nanotubes. After vacuum filtration, vacuum dry to constant weight at 110°C;

[0056] S2. Dissolving the coupling agent in a small amount of acetone and spraying it evenly on the halloysite nanotubes, vacuum drying at 80°C for 8 hours to obtain the halloysite nanotubes modified by silane coupling agent KH550;

[0057] S3. Mix the halloysite nanotubes modi...

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PUM

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Abstract

The invention relates to the field of 3D printing forming materials, in particular to a reinforcing and toughening agent for 3D printing of ABS and an ABS composite prepared from the reinforcing and toughening agent, as well as preparation methods and application of the reinforcing and toughening agent and the ABS composite. The reinforcing and toughening agent for 3D printing of ABS consists of the raw materials of silane coupling agent modified halloysite nanotubes and an SBS toughening agent. Meanwhile, the invention provides a 3D printing ABS reinforcing and toughening composite prepared from the reinforcing and toughening agent, and the ABS reinforcing and toughening composite has the properties of high strength, good tenacity, good liquidity, high curing rate, good aging resistance and the like, is high in surface glossiness, stable in performance and low in probability of aging discoloration, and can be widely applied to 3D printing electronic product housings, precision instrument housings, daily necessities, automotive interior parts, artware and the like.

Description

technical field [0001] The invention relates to the field of 3D printing molding materials, in particular to a reinforcing and toughening agent for 3D printing ABS materials and an ABS composite material prepared therefrom, as well as a preparation method and application of the reinforcing and toughening agent and the ABS composite material . Background technique [0002] 3D printing, also known as "rapid prototyping technology", "rapid prototyping technology", its working principle is similar to inkjet printing, that is, in response to the digital signal of the computer, the molten material or binder in the working chamber of the nozzle forms a liquid in an instant. The droplets are extruded from the nozzle at a certain speed and sprayed onto the support model to form the shape of the contour. After the thin layer is solidified, it continues to be sprayed and accumulated layer by layer to obtain a formed part with high precision. [0003] At present, 3D printing technology...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L53/02C08K9/06C08K7/26B33Y70/00
CPCC08L55/02C08K2201/011C08L2205/06
Inventor 林湖彬杜崇铭刘勋
Owner HUIZHOU CHANGYI TECH
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