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Macromolecule composite electric heating material, preparation method thereof and application thereof

A technology of electrothermal materials and polymers, applied in the field of polymer composite electrothermal materials, can solve the problems of weak adjustability of electrothermal performance, non-100% effective heating area, narrow adjustable range of conductive ink printing volume, etc., and achieve high electrothermal conversion rate effect

Active Publication Date: 2013-08-28
李春学
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, strict requirements on the flatness of the surface of the bearing substrate, non-100% effective heating area, and narrow adjustable range of printing volume of conductive ink make the adjustability of the electric heating performance of the product weak

Method used

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  • Macromolecule composite electric heating material, preparation method thereof and application thereof
  • Macromolecule composite electric heating material, preparation method thereof and application thereof
  • Macromolecule composite electric heating material, preparation method thereof and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] 1) The formula of the polymer composite electric heating coating is as follows in parts by weight:

[0051] Polyurethane resin (NIPPOLAN2301, Nippon Polyurethane Industry Co., Ltd.) 100 parts, acetylene carbon black 5.3 parts, magnesium oxide (purity ≥ 95%) 3.5 parts, zinc oxide (purity ≥ 95%) 3.5 parts, phthalate 9 parts of octyl ester, 1.8 parts of stearic acid, 0.8 parts of dispersant (Tween20), 270 parts of solvent (ethyl acetate, purity ≥ 95%).

[0052] 2) The preparation method of polymer composite electrothermal coating is as follows:

[0053] a) Accurately weigh conductive filler (acetylene carbon black), other additives (magnesium oxide, zinc oxide), dispersant (Tween20), plasticizer (dioctyl phthalate) and lubricant (stearic acid) placed in a container;

[0054] b) Weigh about two-thirds of the solvent (ethyl acetate) and add it to the above container;

[0055] c) After the above materials are fully infiltrated, accurately weigh and add polymer resin base m...

Embodiment 2 to Embodiment 5

[0070] The formula of embodiment 2 to embodiment 5 is similar to embodiment 1, and difference is: the compounding quantity of acetylene carbon black is 6 parts among the embodiment 2; In embodiment 3, acetylene carbon black is 6 parts, and conductive graphite is 6 parts Part; In embodiment 4, acetylene carbon black is 6 parts, and conductive graphite is 10.5 parts; In embodiment 5, acetylene carbon black is 8 parts.

[0071] The preparation method of the polymer composite electrothermal coating, the production method of the polymer composite electrothermal material and the test method of the resistance value of the sample are the same as in Example 1.

[0072] Test Results:

Embodiment 2

[0073] Example 2, resistance R=10.8kΩ; Example 3, resistance R=4310Ω; Example 4, resistance R=3660Ω; Example 5, resistance R=3560Ω.

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Abstract

The invention provides a macromolecule composite electric heating material, a preparation method of the macromolecule composite electric heating material and application of the macromolecule composite electric heating material. The macromolecule composite electric heating material is characterized by comprising a macromolecule composite electric heating coating and a substrate used for bearing the macromolecule composite electric heating coating. The macromolecule composite electric heating coating comprises, by weight parts, 100 parts of macromolecule resin base materials, 1-50 parts of conductive filler, 1-30 parts of auxiliaries and 100-600 parts of solvent, wherein the conductive filler is one or more of conductive carbon black, conductive graphite, carbon fibers, metal powder and metal fibers, and the base materials are thin and flexible materials which are suitable for being coated by coating-type objects. The macromolecule composite electric heating material is applicable to the low-temperature heating field at the temperature of 0DEG C-160DEG C, and particularly applicable to the aspects such as heating of buildings, heating and heat preservation of animals and plants, baking and drying of objects and far infrared physiotherapy health care.

Description

[0001] This application is a divisional application of the Chinese patent application with the filing date of the original application being August 12, 2011, the application number being 201110231697.X, and the invention title being "Polymer Composite Electrothermal Material, Its Preparation Method, and Its Use". technical field [0002] The invention relates to the field of polymer composite materials, in particular to a polymer composite electrothermal material, its preparation method, and its application. This polymer composite electrothermal material is a low-temperature electrothermal material, and has broad application prospects in the field of low-temperature heating within 0-160 °C. Background technique [0003] As we all know, the use of electrothermal alloy wires for heating in the application field of electrothermal materials has a long history. However, due to its low electrothermal conversion efficiency, only 50% to 70%, easy oxidation, brittleness and fracture,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/10H05B3/34D03D15/02D03D15/217D03D15/25D03D15/267D03D15/283D03D15/47D03D15/533
CPCY02B30/00
Inventor 李春学
Owner 李春学
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