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Modified regenerated ABS nano composite material as well as preparation method and application thereof

A nano-composite material and composite material technology, applied in the field of modified and recycled ABS nano-composite materials and its preparation, can solve the problems of fast repair and replacement of damage, large amount of waste ABS, waste of resources, etc., and achieve high temperature creep resistance Ability, anti-aging enhancement, anti-aging effect

Pending Publication Date: 2021-03-09
NEIJIANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

China is a country with a large population, and the damage repair and replacement speed of automobiles, household appliances, office appliances, painting and other frequently used supplies is fast, and the amount of waste and old ABS produced is very large, which has caused great harm to the environment and waste of resources.

Method used

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  • Modified regenerated ABS nano composite material as well as preparation method and application thereof
  • Modified regenerated ABS nano composite material as well as preparation method and application thereof
  • Modified regenerated ABS nano composite material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] The preparation method of the modified regeneration ABS nanocomposite material of the present embodiment comprises the following steps:

[0050] S1. Clean the recycled ABS plastic in an appropriate amount of cleaning solution. During the cleaning period, use pH test paper to test the pH value several times to keep the pH value of the cleaning solution at around 9. When the pH is less than 9, add appropriate carbonic acid Sodium hydrogen, wash for about 10 minutes; then wash the recycled ABS plastic with distilled water several times until the residual drug is washed away; put the cleaned recycled ABS plastic in a blast drying oven, set the drying temperature to 70°C, and dry for 2 hours; After the recycled ABS plastic is dried, use a magnet to absorb and recover the metal in the ABS plastic;

[0051] S2. Add silicon carbide to the prepared 2% silane solution, use a magnetic stirrer to stir for 0.5h, put it in an oven, and dry it at a temperature of 80°C. Take out the dr...

Embodiment 2

[0058] In this embodiment, except that KH-550 is replaced by 3g, SBS is replaced by 18g, modified nano-silicon carbide is replaced by 3g, 1010 is replaced by 3g, common paraffin is replaced by 3g, and carbon black is replaced by 6g, the remaining conditions are the same as in Example 1 are the same.

Embodiment 3

[0060] In this embodiment, except that KH-550 is replaced by 3g, SBS is replaced by 24g, modified nano-silicon carbide is replaced by 9g, 1010 is replaced by 3g, ordinary paraffin is replaced by 3g, and carbon black is replaced by 6g, the remaining conditions are the same as in Example 1 are the same.

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Abstract

The invention discloses a modified regenerated ABS nano composite material as well as a preparation method and application thereof, and belongs to the technical field of regenerated ABS composite materials. The composite material comprises a base material, a dispersed phase and auxiliary materials, wherein the dispersed phase is uniformly dispersed in the base material, recycled ABS is taken as the base material, and the auxiliary materials are used for improving the mechanical properties of the base material. The preparation method comprises the following steps: pretreating the recycled ABS,mixing the pretreated ABS with the dispersed phase and the auxiliary materials, putting the mixture into an extruder, carrying out melt extrusion, cooling, granulating, and drying the granules to obtain a wire with the diameter of 1.75 mm. Compared with the recycled ABS material, the prepared modified regenerated ABS nano composite material is improved in tensile strength, elongation at break, impact strength, bending strength, flexural modulus and light transmittance, has good flexibility and mechanical properties, and is smooth and odorless in printing when being used for 3D printing; adn the printed product has the advantages of smooth and uniform surface, stable size, difficult shrinkage and the like.

Description

technical field [0001] The invention belongs to the technical field of recycled ABS composite materials, and in particular relates to a modified recycled ABS nanocomposite material and its preparation method and application. Background technique [0002] ABS is a blend or ternary blend of acrylonitrile, butadiene and styrene, in which acrylonitrile makes the mixture have good heat resistance, chemical corrosion resistance and high surface strength; butadiene makes the mixture Has good impact strength and low temperature resilience; styrene imparts moldability, gloss and rigidity to the blend. The excellent performance of ABS plastic makes it widely used in the four fields of automobiles, office appliances, painting, and household appliances. In the automotive field: many accessories on the car are made of ABS plastics, such as dashboards, bumpers, steering wheels, etc.; in the field of office appliances, there are also a lot of ABS plastics used, such as: telephone casings,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L53/02C08L23/08C08L51/06C08K3/34C08K3/22C08K9/06C08K9/04C08K13/06B33Y70/10
CPCC08L55/02B33Y70/10C08L2201/08C08L2205/025C08L2205/035C08K2201/011C08K2003/2241C08L2207/20C08L53/02C08L23/0815C08L51/06C08K3/34C08K3/22C08K9/06C08K9/04C08K13/06
Inventor 李道华何绍芬邓钰泉
Owner NEIJIANG NORMAL UNIV
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