Preparation method of conductive plastics master batch containing stainless steel fibers

A conductive plastic and stainless steel technology, applied in the direction of conductive materials dispersed in non-conductive inorganic materials, cable/conductor manufacturing, circuits, etc., can solve the problems of surface hydrophilicity of materials, poor electromagnetic shielding effect of finished products, and difficult dispersion of fibers and other problems, to achieve excellent antistatic and electromagnetic shielding performance, suitable for large-scale production, and neat appearance

Active Publication Date: 2010-09-22
HUNAN HUITONG ADVANCED MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] Among them, the process method of Publication No. CN1415649 still has the following problems: 1) It simply describes a kind of processing idea. As we all know, there are many kinds of organic matter, and there are tens of thousands of them that also play a role in surface modification. Therefore, the patent The actual guiding significance of CN1 415649 is very limited; 2) the problem of hydrophilicity on the surface of the material is not solved, resulting in that the fibers are not easy to disperse into the plastic matrix, and the electromagnetic shielding effect of the finished product is relatively poor

Method used

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  • Preparation method of conductive plastics master batch containing stainless steel fibers
  • Preparation method of conductive plastics master batch containing stainless steel fibers
  • Preparation method of conductive plastics master batch containing stainless steel fibers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] In the first embodiment, the diameter of the stainless steel fibers in the plastic masterbatch containing stainless steel fibers is 12 μm, the length is 6 mm, and the volume ratio of the stainless steel fibers is 25%. The specific production process is:

[0057] 1) A bundle of continuous stainless steel fibers is immersed in a 3% (Wt%) ethanol solution of tricosyl sodium salt of sulfosuccinate for coupling modification treatment, so that it has a lipophilic modified surface. On the premise of ensuring that the whole bundle of stainless steel fibers is fluffy and fully infiltrated, try to straighten the stainless steel fiber bundles. Dry the treated stainless steel fiber bundles.

[0058] 2) In step 1), the stainless steel fiber is introduced into a polyoxypropylene polyoxyethylene block type polyether ethanol solution (molecular weight is about 2600) with a concentration of 35% (Wt%) for coating, so that the polyoxypropylene polyoxyethylene block Segment polyether for...

Embodiment 2

[0067] Compared with Example 1, the diameter of the stainless steel fibers in the plastic masterbatch containing stainless steel fibers in Example 2 is also 12 μm, and the length is also 6 mm, the difference is that the stainless steel fiber content in the plastic masterbatch is 30v%. The specific production process is:

[0068] 1) A bundle of continuous stainless steel fibers is immersed in an aqueous solution of 3-aminopropyltriethoxysilane with a concentration of 3% (Wt%) for coupling modification treatment, so that it has a lipophilic modified surface. On the premise of ensuring that the whole bundle of stainless steel fibers is fluffy and fully infiltrated, try to straighten the stainless steel fiber bundles.

[0069] 2) The stainless steel fiber is introduced into the methoxybutyl ester solution of 30% (Wt%) propoxy bisphenol A fumaric acid resin with a concentration of 30% (Wt%) and coated, so that the propoxy bisphenol A fumaric acid resin is wrapped around the bundle ...

Embodiment 3

[0077] In the third embodiment, the diameter of the stainless steel fibers in the plastic masterbatch containing stainless steel fibers is 12 μm, the length is 6 mm, and the volume ratio of the stainless steel fibers is about 92%. The specific production process is:

[0078] 1) Immerse a bundle of continuous stainless steel fibers in a 5% (wt%) bis(dioctyloxypyrophosphate) ethylene titanate ethylene-propanol solution for coupling modification to make it lipophilic. sexual surface. On the premise of ensuring that the whole bundle of stainless steel fibers is fluffy and fully infiltrated, try to straighten the stainless steel fiber bundles. Dry the treated stainless steel fiber bundles.

[0079] 2) In step 1), the stainless steel fiber is introduced into a concentration of 30% (Wt%) propoxylated bisphenol A fumaric acid resin, and the methoxybutyl ester solution is coated to make the propoxylated bisphenol A fumaric acid resin The acid resin forms a covering layer on the surf...

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Abstract

The invention discloses a preparation method of a conductive plastics master batch containing stainless steel fibers. The stainless steel fibers in the plastics master batch are isolated by macromolecular materials and completely packed by the macromolecular materials. When the plastics master batch as raw materials is mixed with plastics for secondary granulation or a conductive plastic work-piece is formed, the stainless steel fibers can resist high shear force when the plastics are processed, and are easily and uniformly dispersed in the plastic work-piece and overlap to each other to form a three-dimensional conductive network. By adopting the conductive plastics master batch, the ideal antistatic and electromagnetic screen effects can be achieved under the circumstance of low content of the stainless steel fiber.

Description

technical field [0001] The invention belongs to the technical field of organic electronic materials, and in particular relates to a method for manufacturing conductive plastic masterbatches containing stainless steel fibers. Background technique [0002] Conductive plastic is a new type of anti-static and anti-electromagnetic interference functional plastic, and it is a new type of organic electronic material that is urgently needed in the market and has been successfully developed with high technology. Conductive plastic is a composite material made by mixing conductive medium and plastic. The type and dispersion uniformity of conductive medium are important factors affecting the performance of conductive plastic. At present, the commonly used conductive media are conductive powder (such as carbon black, metal powder, etc.) and conductive fiber (such as stainless steel fiber, carbon fiber and nickel-plated carbon fiber, etc.). [0003] Conductive powders are in contact wit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B1/22H01B13/00
Inventor 吴晓春汪洪蓝忠
Owner HUNAN HUITONG ADVANCED MATERIALS
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