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Method for preparing anhydrous sodium sulfate plastic modified master batch

A technology of anhydrous sodium sulfate and modified masterbatch, which is applied in the field of preparation of anhydrous sodium sulfate plastic modified masterbatch, which can solve the problems of high oil absorption value and decreased mechanical properties, and achieve improved processing performance and good dispersion modification , the effect of maintaining smoothness

Inactive Publication Date: 2008-10-29
王梓刚 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, calcium carbonate and talcum powder have high oil absorption value, the light absorption of the product will increase, the surface of the product will show a sub-surface and matte effect, and the mechanical properties of the product will seriously decline as the filling amount increases.

Method used

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  • Method for preparing anhydrous sodium sulfate plastic modified master batch

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Getting particle diameter is 20 kilograms of anhydrous sodium sulfate of 1 micron, 1 kilogram of epoxidized soybean oil, propylene ethylene, 2 kilograms of 1-butene amorphous copolymer (APAO), styrene-butadiene-styrene copolymer ( 5 kilograms of SBS), 2 kilograms of refined paraffin oil, 5 kilograms of low-density polyethylene, and its melt flow rate 2g / 10min;

[0016] a. Add the above-mentioned weight of anhydrous sodium sulfate into the high-speed mixing mixer, when the stirring temperature reaches 90°C, add epoxy soybean oil, stir for 5 minutes, then add propylene ethylene, 1-butene amorphous copolymer (APAO ), stirred for 3 minutes until the propylene ethylene, 1-butene amorphous copolymer (APAO) was completely melted and covered with anhydrous sodium sulfate, and then added styrene-butadiene-styrene copolymer (SBS) , refined paraffin oil and low-density polyethylene, and continue to stir for 5 minutes to make it a uniformly mixed premix; Packaging, ready-to-use an...

Embodiment 2

[0018] Getting particle diameter is 60 kilograms of anhydrous sodium sulfate of 5 microns, 3 kilograms of epoxidized soybean oil, propylene ethylene, 1-butene amorphous copolymer (APAO) 6 kilograms, styrene-butadiene-styrene copolymer ( 12 kilograms of SBS), 7 kilograms of refined paraffin oil, 7 kilograms of low-density polyethylene, and its melt flow rate 5g / 10min;

[0019] The preparation method is the same as that of Example 1 except that anhydrous sodium sulfate is added into a high-speed mixing mixer and the stirring temperature is 100°C.

Embodiment 3

[0021] Getting particle diameter is 100 kilograms of anhydrous sodium sulfate of 15 microns, 5 kilograms of epoxidized soybean oil, propylene ethylene, 10 kilograms of 1-butene amorphous copolymer (APAO), styrene-butadiene-styrene copolymer ( 20 kilograms of SBS), 12 kilograms of refined paraffin oil, 10 kilograms of low-density polyethylene, and its melt flow rate 7g / 10min;

[0022] The preparation method is the same as that of Example 1 except that anhydrous sodium sulfate is added into a high-speed mixing mixer and the stirring temperature is 130°C.

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Abstract

The invention discloses a method for preparing anhydrous sodium sulfate plastic modified master batches. The method comprises the following steps: blending anhydrous sodium sulfate, epoxy soybean oil, propylene-ethylene copolymer, amorphous 1-butylene copolymer, styrene-butadiene-styrene copolymer, refined paraffin oil and low-density polyethylene and mixing the physical modification thereof of, and kneading, extruding and granulating by using an equidirectional parallel double screw. The anhydrous sodium sulfate plastic modified master batches are used in plastic products, reduce the use amount of petroleum / resin / plastics without damaging the original physical property of plastics, and retain the original smoothness, transparency and surface gloss of plastics.

Description

technical field [0001] The invention relates to a preparation method of plastic modified masterbatch, in particular to a preparation method of anhydrous sodium sulfate plastic modified masterbatch. Background technique [0002] Plastic has become one of the four general-purpose materials in the world. With the continuous expansion of the field of plastic products, the quality requirements of plastic products are getting higher and higher. From the perspective of the current plastic packaging industry and the processing of industrial and agricultural plastic products, due to the increase in the price of plastic raw materials, in order to reduce costs, such as the production of packaging plastic bags, shopping bags, garbage bags, agricultural Plastic film, pipe, wire drawing, sheet, plastic barrel, etc. basically need to add some inorganic powders such as calcium carbonate and talcum powder to reduce costs and improve certain physical strength. However, if calcium carbonate a...

Claims

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Application Information

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IPC IPC(8): C08J3/22C08L53/02C08L23/08C08L23/06C08K3/30C08K5/1515C08K5/01B29B9/12
Inventor 王梓刚闫万琪吕王星
Owner 王梓刚
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