A method and device of a continuous preparation of polymer -condrilateral conductive composite materials
A technology of conductive composite materials and polymers, which is applied in the field of composite material processing technology and composite material preparation, can solve the problems of large-area continuous production of conductive composite materials, etc., and achieves a lower percolation threshold, more conductive network, and simple process. Effect
Active Publication Date: 2022-08-05
BEIJING UNIV OF CHEM TECH
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Problems solved by technology
In order to overcome the problem that the traditional processing method is difficult to increase the conductivity through compression and realize the difficulty of large-area continuous production of conductive composite materials
Method used
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Embodiment 1
[0054] The above -mentioned method and device of a continuous composite composite material composite material are used to prepare the conductive composite material for the combination of polymailing siliconoxane (PDMS) and 4WT % carbon fiber (CF).
[0055] 1) Use the upper machine FameView monitoring software to set the process parameters of continuous preparation of conductive composite materials.
[0056] 2) Uniform polymailing siliconane (PDMS) and 4WT % carbon fiber (CF) co -preparation
[0057]① Take the polymer matrix and conductive filler according to the mass score ratio; configure the carbon fiber mass score of 4WT %, a polymailing siliconane / carbon fiber (CF) mixed material;
[0058] ② Put the mixture prepared in the step ① in the container, put it in a homogeneous machine by rotating centrifugal, according to the speed of 1800R / min, the mixing time of 210s is mechanically mixed;
[0059] ③ Add a curing agent to the proportion of 10: 1 to the common mixture of the step ②...
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Abstract
The invention discloses a method and a device for continuously preparing a polymer-based conductive composite material. A certain pressure is applied on a soft roller to cause the flexible soft roller to undergo elastic deformation within a certain range, and a transmission mechanism is used to drive the flexible soft roller to polymerize. The blend of material matrix and conductive filler as raw material is continuously "face-to-face" three-dimensional space forced rolling compression molding. The method and device for continuous preparation of conductive composite materials provided by the present invention can realize continuous large-area preparation of conductive composite materials through the arrangement of flexible soft rollers and the control setting of the stroke. The surface resistance of the polymer-based conductive composite material prepared by the invention is remarkably reduced and has the characteristics of flexibility and continuous large-area molding. Compared with the traditional method, the present invention has the characteristics of continuous molding, low production cost, simple process and high molding efficiency.
Description
Technical field [0001] The invention of this article involves the field of composite materials preparation technology. It specifically refers to a method and device of a continuous composite composite material composite material, which belongs to the field of composite material processing technology. Background technique [0002] The polymer -based conductive composite material has been widely used in the fields of aerospace, wearable equipment, electromagnetic shielding, supercapacitors or battery electrodes. For polymer condition composite materials, the uniformity and denseness of the conductive fillers added in the polymer substrate directly directly affects the functional and application fields of polymer condition composite materials. [0003] When traditional process preparation of polymer condition composite materials, the compulsory mechanical compression method is used to disperse the conductive fillers in the "two -dimensional plane" to the polymer group. At the time, ...
Claims
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IPC IPC(8): B29C43/24B29C43/58G06F17/10
CPCB29C43/24B29C43/58G06F17/10
Inventor 吴大鸣付红波许红刘颖盖子鹏黄尧孙靖尧高小龙
Owner BEIJING UNIV OF CHEM TECH