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Inorganic non-metal far-infrared graphite resistive film, and preparation method and application thereof

An inorganic non-metallic and graphite resistance technology, applied in the direction of ohmic resistance heating, electric heating devices, electrical components, etc., can solve the problems affecting the ecological environment and human health, poor adhesion and thermal stability, unsuitable for civilian use, etc., to achieve Excellent electrical comprehensive performance and far-infrared performance, improved stability, and improved adhesion

Inactive Publication Date: 2017-09-22
陶志斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide an inorganic non-metallic far-infrared graphite resistance film and its preparation method, aiming to solve the problem that the resistance film provided by the prior art uses precious metals, which is expensive and unsuitable for civilian use; the graphite resistance film uses lead-containing oxides Preparation, affecting the ecological environment and human health; and the existing attempts to add resistance film without lead, the problem of poor adhesion and thermal stability

Method used

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  • Inorganic non-metal far-infrared graphite resistive film, and preparation method and application thereof
  • Inorganic non-metal far-infrared graphite resistive film, and preparation method and application thereof
  • Inorganic non-metal far-infrared graphite resistive film, and preparation method and application thereof

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preparation example Construction

[0055] Correspondingly, an embodiment of the present invention provides a method for preparing an inorganic non-metallic far-infrared graphite resistance film, comprising the following steps:

[0056] S01. take each component according to the formula of above-mentioned inorganic non-metallic far-infrared graphite resistance film;

[0057] S02. Heat and melt bismuth oxide, zinc oxide, antimony trioxide, boric acid, aluminum oxide, strontium carbonate, magnesium oxide, quartz sand, lithium carbonate, grind and sieve after cooling, add graphite powder, ultrafine mica powder, Far-infrared ceramic powder is mixed to obtain a base material mixture;

[0058] S03. In the substrate mixture, add an organic medium according to the weight ratio of the substrate mixture to the organic medium (1365-2355): (2320-4946), and mix to obtain a mixed slurry;

[0059] S04. Provide a substrate, print the mixed slurry on the substrate, perform drying and sintering treatment, and obtain an inorganic ...

Embodiment 1

[0072] A kind of inorganic non-metallic far-infrared graphite resistance film (about 2000 grams), is made of base material and liquid medium, and described base material is made up of following raw material of following weight:

[0073]

[0074] The organic medium is a liquid organic medium composed of the following components in the following weight percentages:

[0075] Terpineol 85% by weight;

[0076] Ethylcellulose 9% by weight;

[0077] 6% by weight silane coupling agent,

[0078] The total weight is 3400g-4200g.

[0079] The preparation method of described inorganic non-metallic far-infrared graphite resistance film, comprises the following steps:

[0080] S11. take each component according to the formula of above-mentioned inorganic non-metallic far-infrared graphite resistance film;

[0081] S12. Stir bismuth oxide, zinc oxide, antimony trioxide, boric acid, aluminum oxide, strontium carbonate, magnesium oxide, quartz sand, and lithium carbonate in a mixer, and...

Embodiment 2

[0087] In embodiment 2, described base material is made up of following raw material of following weight:

[0088]

[0089] The organic medium is a liquid organic medium composed of the following components in the following weight percentages:

[0090] Terpineol 88% by weight;

[0091] Ethylcellulose 8% by weight;

[0092] 4% by weight silane coupling agent.

[0093] Others were all tested according to the conditions of Example 1, and the substantially identical results of Example 1 were obtained.

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Abstract

The invention provides an inorganic non-metal far-infrared graphite resistive film, which is prepared by using a base material and a liquid medium. The base material is composed of the following raw materials, by weight: 150-300 parts of graphite powder, 90-180 parts of ultrafine mica powder, 60-120 parts of far-infrared ceramic powder, 300-500 parts of bismuth oxide, 250-350 parts of zinc oxide, 100-150 parts of antimonous oxide, 180-250 parts of boric acid, 50-100 parts of aluminum oxide, 70-120 parts of strontium carbonate, 30-70 parts of magnesium oxide, 25-70 parts of quartz sand and 50-120 parts of lithium carbonate, wherein the far-infrared ceramic powder contains nano titanium oxide.

Description

technical field [0001] The invention belongs to the field of inorganic non-metallic materials, in particular to an inorganic non-metallic far-infrared graphite resistance film, its preparation method and application. Background technique [0002] The far-infrared resistance film electric heating method is a new type of electric heating method proposed in the early 1950s in the world. It has high thermal efficiency, fast heat transfer and no open flame, rich in far-infrared rays, surface radiation heating, and uniform heating temperature. , The product components are simple, the power is easy to adjust, energy saving and environmental protection have been widely valued by people. Compared with other heating materials, resistance film heating technology has more obvious advantages, such as: energy saving, long life, wide application range, simple processing technology, simple structure, low cost, low temperature and large area heating, safe and reliable, Therefore, many count...

Claims

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Application Information

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IPC IPC(8): H05B3/14
CPCH05B3/14H05B2203/017
Inventor 陶志斌居苏吕雅华周游
Owner 陶志斌
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