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Special thermoplastic polymer elastomer for pipeline and preparation method thereof

A thermoplastic polymer and elastomer technology, applied in the field of engineering plastics, can solve the problems of large amount of functional fillers, poor electrical or thermal conductivity, etc., to achieve thermal or electrical conductivity, easy formation of pathways, and improved local concentration.

Inactive Publication Date: 2015-09-16
四川鑫成新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention overcomes the deficiencies of the prior art, provides a thermoplastic polymer elastomer specially used for pipelines, and solves the technical problems in the prior art that the amount of functional filler is large and the electrical or thermal conductivity is not good; and the thermoplastic polymer specially used for pipelines Preparation method of elastomer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0041] Embodiments of the present invention also provide a method for preparing a thermoplastic polymer elastomer for pipelines, comprising the following steps:

[0042] step 1

[0043] First, mix the first elastomer and the processing aid of the cross-linked phase, heat and knead, then add the cross-linking agent and the auxiliary cross-linking agent to continue kneading to form a cross-linked polymer, and finally pulverize the cross-linked phase. Link polymer, namely obtain described cross-linked phase;

[0044] step 2

[0045] heating and mixing the second elastomer and the extender oil in a mixer, and then adding the modified resin and the non-crosslinked phase processing aid to continue mixing to obtain the non-crosslinked phase;

[0046] step 3

[0047] Add the cross-linked phase obtained in step 1, the non-cross-linked phase obtained in step 2, and the functional filler to the mixer respectively, then heat and mix in the mixer, and finally extrude the mixed material ...

Embodiment 1

[0049] The cross-linked phase is prepared, and the content formula of each component is: 100 parts of NR, 2 parts of DCP, 5 parts of TAIC, and 1 part of HSt.

[0050]Add 100 parts of NR and 1 part of HSt into the heated internal mixer, control the temperature at 200°C, knead for 3 minutes, then add 2 parts of DCP and 5 parts of TAIC that have been weighed, continue kneading for 10 minutes and then discharge , put the discharged material into a low-temperature pulverizer cooled by liquid nitrogen, and pulverize it into a powder of about 30 microns, so as to obtain a cross-linked phase powder.

[0051] The non-crosslinked phase is prepared, and the content formula of each component is: 100 parts of SEBS, 25 parts of PP, 75 parts of industrial white oil, 0.5 part of PE Wax, and 0.5 part of 1010 / 168.

[0052] First, mix 100 parts of SEBS and 75 parts of industrial white oil in a high-speed machine according to the formula. The mixing time is 5 minutes and the mixing temperature is...

Embodiment 2

[0062] The cross-linked phase is prepared, and the content formula of each component is: 100 parts of NR, 2 parts of DCP, 5 parts of TAIC, and 1 part of HSt.

[0063] Add 100 parts of NR and 1 part of HSt into the heated internal mixer, control the temperature at 200°C, knead for 3 minutes, then add 2 parts of DCP and 5 parts of TAIC that have been weighed, continue kneading for 10 minutes and then discharge , put the discharged material into a low-temperature pulverizer cooled by liquid nitrogen, and pulverize it into a powder of about 30 microns, so as to obtain a cross-linked phase powder.

[0064] The non-crosslinked phase is prepared, and the content formula of each component is: 100 parts of SEBS, 25 parts of PP, 75 parts of industrial white oil, 0.5 part of PE Wax, and 0.5 part of 1010 / 168.

[0065] First, mix 100 parts of SEBS and 75 parts of industrial white oil in a high-speed machine according to the formula. The mixing time is 5 minutes and the mixing temperature i...

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Abstract

The invention provides special thermoplastic polymer elastomer for a pipeline and a preparation method thereof. The thermoplastic polymer elastomer comprises a crosslinking phase, a non-crosslinking phase and functional filler, wherein the crosslinking phase and the non-crosslinking phase form a sea-island structure, the crosslinking phase is distributed in the non-crosslinking phase in an island shape, the functional filler is selectively distributed in the non-crosslinking phase, and the functional filler is heat-conduction filler or electrically-conductive filler. Compared with a simply-mixed electrically-conductive or heat-conduction polymer material, less functional filler is needed by adopting the method when the same heat-conduction or electrically-conductive effect is realized, so that other performances are better than those of an ordinary filling-type heat conduction or electrically-conductive material. According to the method, all components are mixed and extruded according to the formula, so that the method is simple to operate and low in cost.

Description

technical field [0001] The invention belongs to the field of engineering plastics, and in particular relates to a special thermoplastic polymer elastomer for pipelines and a preparation method thereof. Background technique [0002] Functional polymer material is an important branch field in the field of polymer materials. It is of great significance to the development of high technology and is one of the foundations of modern industrial technology development. Various existing research results show that the development of functional polymer materials can not only meet people's needs for the material itself, but also because of the light weight of functional polymers, it is easy to process into products of various complex shapes and has good chemical stability. characteristics, thus promoting the development of modern technology. Developed countries in the world are carrying out extensive research. [0003] Among functional polymer materials, conductive polymer materials an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L53/02C08L23/12C08L91/06C08L23/06C08K13/02C08K3/38C08K3/04
CPCC08L53/025C08K2201/001C08L2203/18C08L2205/02C08L2205/035
Inventor 陈晓梅陈军
Owner 四川鑫成新材料科技有限公司