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A treatment method for the fluidity of thermoplastic polymer powder

A thermoplastic polymer and processing method technology, applied in the field of thermoplastic polymer powder preparation, can solve the problems of polymer performance degradation, increased cost, difficult to handle, etc., and achieve the effect of simple and safe method and wide application range

Active Publication Date: 2020-08-28
WANHUA CHEM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] CN103467823A discloses a preparation method of thermoplastic spherical particles, which needs to be heated to the flow temperature close to the polymer, and then treated with deformation aids and surface protection stabilizers to obtain thermoplastic spherical particles. High polymers, such as high temperature nylon, polyether ether ketone and other polymers, are difficult to handle and may cause polymer performance degradation; on the other hand, solvents need to be used at high temperatures, and pressure vessel operations are dangerous and not suitable for Continuous production, increased cost

Method used

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  • A treatment method for the fluidity of thermoplastic polymer powder
  • A treatment method for the fluidity of thermoplastic polymer powder
  • A treatment method for the fluidity of thermoplastic polymer powder

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Embodiment Construction

[0046] The present invention will be further described in detail through specific embodiments below, but it should not be understood that the scope of the present invention is limited to the following examples. Without departing from the above-mentioned method idea of ​​the present invention, various replacements or changes made according to common technical knowledge and customary means in this field shall be included in the scope of the present invention.

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Abstract

The invention relates to a preparation method for improving the fluidity of thermoplastic polymer powder, which uses thermoplastic polymer powder as a raw material and comprises the following steps: step 1: uniformly mixing a surface stabilizer and a surface treatment agent to obtain a liquid powder treatment agent; step 2 : mixing thermoplastic polymer powder and liquid powder treatment agent to obtain a liquid mixture containing powder; step 3: separating solid and liquid from the mixture obtained in step 2 and drying to obtain treated thermoplastic polymer powder. The method controls the spheroidization of the powder by adjusting the solubility parameter of the surface treatment agent and the treatment time, and improves the fluidity of the powder. The method has a wide range of applications, is not limited by polymer types, and can realize the treatment of high-temperature-resistant thermoplastic polymer materials. The prepared powder can be used in powder coatings, 3D printing, cosmetics, additives, medicine and other fields.

Description

technical field [0001] The invention relates to the technical field of thermoplastic polymer powder preparation, and further relates to a preparation method for improving the fluidity of thermoplastic polymer powder. The prepared powder can be used in technical fields such as powder coatings and 3D printing. Background technique [0002] The development of modern high-tech and new material industries, technological progress and product upgrading of traditional industries require many polymer powder raw materials, these polymer powders have fine particles, strict particle size distribution, characteristic particle shape, etc. Polymer powder has a large specific surface area and is widely used in powder coatings, 3D printing, cosmetics, additives, medicine and other fields. [0003] Although polymer powder can be prepared by chemical synthesis, such as suspension polymerization or emulsion polymerization, the preparation process is complex and the types of polymers are limited...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J3/12C08L75/04C08L33/12C08L25/06C08L77/02
CPCC08J3/124C08J2325/06C08J2333/12C08J2375/04C08J2377/02
Inventor 杨杰黄岐善
Owner WANHUA CHEM GRP CO LTD
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