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Anti-static plastic carrying belt and production process thereof

A production process and technology of anti-static coatings, applied in anti-corrosion coatings, conductive coatings, coatings, etc., can solve problems such as large influence on material properties, and achieve the effects of good transparency, excellent mechanical properties, and easy operation

Inactive Publication Date: 2018-07-27
重庆百惠电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its finished products are limited to black, and have a great impact on the material properties, requiring supporting modification technology

Method used

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  • Anti-static plastic carrying belt and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1 raw material preparation

[0031] The preparation method of polystyrene / poly 3,4-ethylenedioxythiophene composite conductive material comprises the following steps:

[0032] 1) Add 3,4-ethylenedioxythiophene to the aqueous medium system of polystyrene particle emulsion with a solid content of 4-6%, and ultrasonically stir for several hours. The mass ratio of 3,4-ethylenedioxythiophene to the particles in the polystyrene particle emulsion in the system is 1:3-1:12.

[0033] 2) Synthesis of composite particles: the mixed solution prepared in step 1 was stirred for several hours, and then an oxidant was added. Add 0.1-1.0 M doping acid solution dropwise at a rate of 0.25-2.5 mmol / min to the mixed solution. After the dropwise addition is completed, the reaction is performed at a constant temperature of 50-80° C. for 18-24 hours. After the reaction is stopped, it is centrifuged and washed with methanol and water for several times until the solution in the upp...

Embodiment 2

[0041] The production technology of embodiment 2 antistatic plastic carrier tape (adopting the raw material prepared in embodiment 1)

[0042]A. Dehumidification and drying of plastic particles: the raw material is polystyrene / poly 3,4-ethylenedioxythiophene composite conductive material particles, which are baked by the baking mechanism for more than 2 hours to remove the moisture in the raw materials;

[0043] B. Continuously extrude the sheet: the polystyrene / poly 3,4-ethylenedioxythiophene composite conductive material particles baked in step A; through the action of the screw barrel and the heating ring, it forms a liquid state and passes through the die head Form a slurry-type plate shape;

[0044] C. High-speed vacuum blister forming: the plate-like flow slurry enters the forming mold through vacuum adsorption to form the prototype of the multi-plate carrier tape;

[0045] D. Continuous positioning punching: After forming in step C, punching is carried out;

[0046] E...

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Abstract

The invention discloses an anti-static plastic carrying belt, which comprises an inner layer and an anti-static surface layer and is characterized in that the inner layer is made of a polystyrene / poly3,4-ethylenedioxy thiophene composite electric conduction materials; the anti-static surface layer is made of an epoxy resin anti-static paint material. The carrying belt uses the polystyrene / poly 3,4-ethylenedioxy thiophene composite electric conduction material as the inner liner; the anti-static coating coats the surface; the advantages of good conductivity, high transparency, difficult oxidization, good environment stability, low price and the like are realized. The epoxy resin anti-static paint has the advantages that the construction performance is good; the coating film drying speed ishigh; after being dried, the coating film is flat; excellent mechanical performance and anti-static performance are realized; the acid resistance, alkali resistance, brine resistance and the like arerealized. In addition, the production process of the carrying belt is simple; the operation is easy.

Description

technical field [0001] The invention relates to the technical field of carrier tape production technology, in particular to an antistatic plastic carrier tape and a production process thereof. Background technique [0002] Carrier tape is mainly used in the electronic component placement industry. It is used with the cover tape (top sealing tape), and stores electronic components such as resistors, capacitors, transistors, and diodes in the pocket of the carrier tape, and seals the cover tape above the carrier tape to form a closed package for Protect electronic components from contamination and damage during transportation. When electronic components are placed, the cover tape is peeled off, and the automatic placement equipment takes out the components contained in the pockets sequentially through the precise positioning of the index hole of the carrier tape, and pastes them on the integrated circuit board (PCB board) . [0003] The material of the carrier tape mainly i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/04C08L25/06C08L65/00C09D151/08C09D5/24C09D7/61C09D7/65C09D5/08C08G61/12
CPCC08G61/126C08G2261/11C08G2261/3247C08J7/0427C08J2325/06C08J2451/08C08J2465/00C08K2201/011C08L25/06C09D5/08C09D5/24C09D151/08C08L65/00C08L1/284C08K13/04C08K7/24C08K3/34
Inventor 杨公瑞
Owner 重庆百惠电子科技有限公司
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