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Plastic defoaming master batch and preparation method thereof

A masterbatch and plastic technology, applied in the field of plastic defoaming masterbatch and its preparation, can solve the problem of poor use effect of plastic defoaming masterbatch, increased usage of plastic defoaming masterbatch, easy water absorption of plastic defoaming masterbatch, etc. problems, to achieve the effect of improving moisture absorption, enhancing tensile strength and reducing air bubbles

Active Publication Date: 2020-11-17
东莞市赛美塑胶制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing plastic defoaming masterbatches are easy to absorb moisture. After being placed for a long time, the plastic defoaming masterbatches are easy to absorb water, resulting in poor use of plastic defoaming masterbatches or increased usage of plastic defoaming masterbatches.

Method used

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  • Plastic defoaming master batch and preparation method thereof
  • Plastic defoaming master batch and preparation method thereof
  • Plastic defoaming master batch and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example

[0047] The components and formulations of the modified silica in Preparation Examples 1-6 are shown in Table 2 below.

preparation example 1

[0051] A modified silica, its preparation method is as follows:

[0052] Weigh the fumed white carbon black, nano aluminum oxide and nano titanium dioxide according to the ratio in Table 2 and mix them uniformly to obtain an initial mixture; put the initial mixture into a ball mill, and firstly adjust the initial mixture at a ball milling speed of 800 rad / min. The mixture is ball-milled for 2 hours, and then the initial mixture is ball-milled at a ball-milling speed of 1200 rad / min for 35 minutes to obtain modified silica.

preparation example 2

[0054] A modified silica, its preparation method is as follows:

[0055] Weigh the fumed white carbon black, nano aluminum oxide and nano titanium dioxide according to the ratio in Table 2 and mix them uniformly to obtain an initial mixture; put the initial mixture into a ball mill, and firstly adjust the initial mixture at a ball milling speed of 750 rad / min The mixture is ball-milled for 2.5 hours, and then the initial mixture is ball-milled for 40 minutes at a ball-milling speed of 1150 rad / min to obtain modified silica.

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Abstract

The invention discloses a plastic defoaming master batch and a preparation method thereof, and belongs to the technical field of defoaming master batches. The plastic defoaming master batch is prepared from the following raw materials in parts by weight: 55-65 parts of superfine calcium oxide, 1-2 parts of oxidized polyethylene wax, 6-8 parts of ascorbyl stearate, 11-13 parts of polymethyl acrylate, 18-20 parts of a carrier resin and 4-6 parts of a dispersing aid, wherein the average particle size range of the superfine calcium oxide is 600-1250 meshes. The plastic defoaming master batch prepared by the invention has the advantages of long storage time and lasting moisture absorption effect.

Description

Technical field [0001] The invention relates to the technical field of plastic defoaming masterbatch, in particular to a plastic defoaming masterbatch and a preparation method thereof. Background technique [0002] In the process of producing the above-mentioned plastic products, even if the raw materials contain only a small amount of moisture, it will have a very serious impact on the production of plastic products. The reason is that the presence of moisture in the raw materials can easily cause problems such as bubbles and cracks in the plastic products. [0003] In order to solve this problem, plastic defoaming masterbatch has appeared on the market. Plastic defoaming masterbatch is also called plastic desiccant, dehumidifying masterbatch, and water-absorbing masterbatch. It is widely used in injection molding, wire drawing, film blowing, pipe drawing and other plastics. During the production process of the product. And when in use, it is only necessary to add the plastic def...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08L33/08C08L23/30C08K9/04C08K3/22C08K7/26C08J3/22
CPCC08J3/226C08K9/08C08K9/04C08K7/26C08K2003/2227C08K2003/2241C08K2003/2206C08J2423/08C08J2433/08C08J2423/30
Inventor 郭永富黄福忠廖锡超吴镇华
Owner 东莞市赛美塑胶制品有限公司
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