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A preparation method of antibacterial nylon powder for trolley coating

A nylon powder, trolley technology, applied in the field of nylon powder, can solve the problems of exposed inner layer, easy to be dirty, damage to human body, etc., and achieve the effect of excellent adhesion, excellent toughness and good adhesion

Active Publication Date: 2016-02-24
SHANGHAI COBIL CHEM COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] ①The electroplating process produces environmental pollution, and when the chrome plating on the surface of the trolley comes into contact with human skin, it will also cause damage to the human body (especially children);
[0006] ②The electroplating coating is relatively thin, and the inner layer will be exposed and rusted under the condition of long-term use and frequent bumping;
[0007] ③Chrome plating on the surface of the trolley is easy to get dirty and will breed bacteria when in contact with human skin

Method used

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  • A preparation method of antibacterial nylon powder for trolley coating
  • A preparation method of antibacterial nylon powder for trolley coating
  • A preparation method of antibacterial nylon powder for trolley coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Such as figure 1 Shown:

[0045] 1. Modification of antibacterial nylon resin:

[0046] Mix every 100 kilograms of PA11 resin with 5 kilograms of organic fillers, 0.1 kilograms of ultraviolet stabilizers and 0.5 kilograms of leveling agents through high-speed stirring, and extrude and pelletize through a twin-screw extruder to obtain modified nylon resin particles;

[0047] 2. Preparation of antibacterial nylon powder

[0048] Grind the modified nylon resin into nylon powder through a cryogenic mill. When grinding the powder, first freeze the nylon resin to -130°C with liquid nitrogen and keep it for 30 minutes, and then grind the nylon particles into nylon through a disc mill. powder;

[0049] 3. Drying of antibacterial nylon powder

[0050] Pack and seal the ground nylon powder in a PE film-lined bag. After the nylon powder in the frozen state returns to normal temperature, the nylon powder is dried by a crawler-type microwave dryer. The moisture content of the dr...

Embodiment 2

[0054] 1. Modification of antibacterial nylon resin:

[0055] Mix every 100 kg of PA12 resin, 0.8 kg of antibacterial silver ion masterbatch, 5 kg of organic filler, 0.1 kg of ultraviolet stabilizer and 0.5 kg of leveling agent through high-speed stirring, and extrude and pelletize through a twin-screw extruder to obtain Modified nylon resin particles;

[0056] 2. Preparation of antibacterial nylon powder

[0057] Grind the modified nylon resin into nylon powder through a cryogenic mill. When grinding the powder, first freeze the nylon resin to -130°C with liquid nitrogen and keep it for 30 minutes, and then grind the nylon particles into nylon through a disc mill. powder;

[0058] 3. Drying of antibacterial nylon powder

[0059] Pack and seal the ground nylon powder in a PE film-lined bag. After the nylon powder in the frozen state returns to normal temperature, the nylon powder is dried by a crawler-type microwave dryer. The moisture content of the dried nylon powder is 0...

Embodiment 3

[0063] 1. Modification of antibacterial nylon resin:

[0064] Mix every 100 kg of PA1012 resin, 0.8 kg of antibacterial silver ion masterbatch, 5 kg of organic filler, 0.5 kg of high temperature resistant antioxidant, 0.1 kg of ultraviolet stabilizer and 0.5 kg of leveling agent through high-speed stirring, and extrude through twin-screw Machine extruded and pelletized to obtain modified nylon resin pellets;

[0065] 2. Preparation of antibacterial nylon powder

[0066] Grind the modified nylon resin into nylon powder through a cryogenic mill. When grinding the powder, first freeze the nylon resin to -130°C with liquid nitrogen and keep it for 30 minutes, and then grind the nylon particles into nylon through a disc mill. powder;

[0067] 3. Drying of antibacterial nylon powder

[0068] Pack and seal the ground nylon powder in a PE film-lined bag. After the nylon powder in the frozen state returns to normal temperature, the nylon powder is dried by a crawler-type microwave d...

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Abstract

The invention discloses an antimicrobial nylon powder for a trolley coating and a preparation process of the antimicrobial nylon powder. The antimicrobial nylon powder for the trolley coating comprises the following components: a nylon resin, an antibacterial silver ion masterbatch, organic fillers, an adhesion promoting agent, a high-temperature resistant antioxidant, an ultraviolet stabilizer, a leveling agent and a nucleating agent, wherein the nylon resin is PA11 or PA12 or PA1012 or PA1212. The invention also relates to the preparation process of the antimicrobial nylon powder for the trolley coating. The invention has the beneficial effects that the antimicrobial nylon powder has a good antimicrobial effect and is a very good environment-friendly material, and the adhesion of the nylon coating and a trolley metal layer is good by adding the adhesion promoting agent to the antimicrobial nylon powder, so that a trolley can be protected for a long term.

Description

technical field [0001] The present invention relates to a kind of nylon powder, more particularly, the present invention relates to a kind of antibacterial nylon powder and its preparation method that are used for trolley coating. Background technique [0002] At present, supermarket trolleys are frequently used tools in daily life. They are used frequently and are prone to bumps during the process of carrying objects. Because the body of the trolley is welded with iron wire, the iron wire is made of carbon steel, and the surface layer of iron wire is exposed. Rust occurs, and contact with human skin is extremely harmful. [0003] In order to avoid such hazards, a thin protective layer is applied to the surface of the trolley to protect it. The current method used is to chrome-plate the surface of the trolley by electroplating; the characteristics of the current technology: this method can protect the surface of the trolley The effect of rust can protect the inner wire of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D177/00C09D177/02C09D5/14
Inventor 吴杰吴海波苏佳佳
Owner SHANGHAI COBIL CHEM COMPANY
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