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A kind of preparation method of polystyrene composite material for packaging board

A polystyrene and composite material technology, applied in the field of packaging materials, can solve the problems of inability to resist electromagnetic wave radiation and lack of absorbing ability, and achieve the effects of good hysteresis loss, improved compatibility, and improved absorbing performance.

Active Publication Date: 2018-01-19
汕头市华麟塑化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the board basically does not have the ability to absorb waves and cannot resist electromagnetic radiation.

Method used

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  • A kind of preparation method of polystyrene composite material for packaging board

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A preparation method of polystyrene composite material for packaging board, comprising the following steps:

[0025] (1) After the polycrystalline iron fiber is soaked in water, the speed is 800 rpm and stirred and dispersed for 40 minutes. After sieving, the sieve is extracted with acetone for 24 hours to remove surface impurities, washed with deionized water and placed at a temperature of Dry in an oven at 70°C for 4 hours to obtain purified polycrystalline iron fibers;

[0026] (2) After acrylic acid and AIBN are mixed uniformly, the grafting solution is prepared, and the purified polycrystalline iron fiber obtained in step (1) is cut into a length of 10mm and dissolved in thionyl chloride, and the suspension is obtained after stirring. Put the suspension in an ultrasonic cleaner after adding the grafting liquid, the weight ratio of acrylic acid, AIBN, and purified polycrystalline iron fiber is 1:9:24, ultrasonically vibrate for 40 minutes, distill the material under...

Embodiment 2

[0029] A preparation method of polystyrene composite material for packaging board, comprising the following steps:

[0030] (1) After the polycrystalline iron fiber is soaked in water, the speed is 800 rpm and stirred and dispersed for 40 minutes. After sieving, the sieve is extracted with acetone for 24 hours to remove surface impurities, washed with deionized water and placed at a temperature of Dry in an oven at 70°C for 4 hours to obtain purified polycrystalline iron fibers;

[0031] (2) After acrylic acid and AIBN are mixed uniformly, the grafting solution is prepared, and the purified polycrystalline iron fiber obtained in step (1) is cut into a length of 10mm and dissolved in thionyl chloride, and the suspension is obtained after stirring. Put the suspension in an ultrasonic cleaner after adding the grafting liquid, the weight ratio of acrylic acid, AIBN, and purified polycrystalline iron fiber is 1:9:24, ultrasonically vibrate for 40 minutes, distill the material under...

Embodiment 3

[0034] A preparation method of polystyrene composite material for packaging board, comprising the following steps:

[0035] (1) After the polycrystalline iron fiber is soaked in water, the speed is 800 rpm and stirred and dispersed for 40 minutes. After sieving, the sieve is extracted with acetone for 24 hours to remove surface impurities, washed with deionized water and placed at a temperature of Dry in an oven at 70°C for 4 hours to obtain purified polycrystalline iron fibers;

[0036] (2) After acrylic acid and AIBN are mixed uniformly, the grafting solution is prepared, and the purified polycrystalline iron fiber obtained in step (1) is cut into a length of 10mm and dissolved in thionyl chloride, and the suspension is obtained after stirring. Put the suspension in an ultrasonic cleaner after adding the grafting liquid, the weight ratio of acrylic acid, AIBN, and purified polycrystalline iron fiber is 1:9:24, ultrasonically vibrate for 40 minutes, distill the material under...

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Abstract

The invention provides a method for preparing a polystyrene composite material for packaging boards, comprising the following steps: (1) soaking polycrystalline iron fibers in water and then stirring and dispersing them; drying to obtain purified polycrystalline iron fibers; (2) acrylic acid and AIBN are mixed uniformly to obtain a graft liquid, and the purified polycrystalline iron fibers are cut and dissolved in thionyl chloride, and a suspension is obtained after stirring. Add the suspension into the grafting solution and place it in an ultrasonic cleaner, vibrate it ultrasonically, distill the material under reduced pressure, filter, wash, and dry to obtain a modified polycrystalline iron fiber; (3) polystyrene resin, antioxidant , Polythiophene is dissolved in toluene and mixed to obtain a mixed solution. The modified polycrystalline iron fiber is immersed in the mixed solution. After the toluene is completely volatilized, it is spread in the mold, heated and molded to obtain a polystyrene composite material for packaging boards. . The composite material prepared by the invention has good wave-absorbing ability and can effectively resist electromagnetic wave radiation.

Description

Technical field: [0001] The invention relates to a packaging material, in particular to a preparation method of a polystyrene composite material for a packaging board. Background technique: [0002] Packaging board is the board used for packaging products, including the following functions: 1. Protection function: protect the content, shape, quality, performance of the product, and protect consumers from using the product safely; 2. Convenient function: easy to open and use, open the packaging board The product can be consumed immediately. At this stage, packaging boards are made of various materials, including paper, plastic, metal, glass and other materials. With the rapid development of science and technology, the requirements for packaging board materials are getting higher and higher. Among them, plastic boards with excellent cushioning performance, compression resistance and durability are generally used when packaging electronic products. For some special electronic ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L25/06C08L65/00C08L51/10C08F292/00C08F220/06
Inventor 矫磊
Owner 汕头市华麟塑化有限公司
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