Face shaped exothermic material with electric bamboo as packing material and preparation method

A technology for heating materials and fillers, applied in the field of planar heating materials and their preparation, can solve the problems of heating uniformity, safety, and insufficient thermal efficiency, and achieve the effects of being beneficial to heat transfer, uniform heating, and high thermal efficiency.

Inactive Publication Date: 2009-01-14
ZHEJIANG FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] In the prior art, planar heating elements are usually made by installing electric heating elements such as metal resistance wires in insulating materials. The so-called planar heating means that the entire surface is a heating element. There are deficiencies in heating uniformity, safety and thermal efficiency, especially when used as home heating

Method used

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Embodiment Construction

[0015] The present invention is a surface heating material with conductive bamboo charcoal as filler. The material is mainly composed of conductive bamboo charcoal particles as conductive medium and organic or inorganic binder as matrix, wherein: the weight percent of bamboo charcoal particles is 10~ 70, the balance is organic or inorganic binder.

[0016] The adhesive can be resins, including phenolic resins, acrylic resins, and alkyd resins, and is compounded with various resins to form a conductive coating.

[0017] The adhesive can be plastics, including ABS and PVC plastics, and a conductive plastic is formed by compounding with plastics.

[0018] The adhesive can also be an inorganic material, such as cement and gypsum, which is a conductive board compounded with an inorganic adhesive.

[0019] The volume resistivity of bamboo charcoal particles as conductive medium is 0.1-100Ω·cm, and the particle size of bamboo charcoal is 50-300 mesh.

[0020] The preparation method...

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Abstract

Technical scheme is as following: exothermic material is composed of granules of bamboo charcoal and organic or inorganic bond; granules of bamboo charcoal is as conducting medium in 10-70 wt % of exothermic material, and organic or inorganic bond is as base body in residual amount. Advantages are: whole surface is heating surface and heat delivery surface so as not form local high temperature; small current density is for safe use; high thermal efficiency possesses features of energy saving; the exothermic material can be prepared in different shape.

Description

technical field [0001] The invention relates to a surface heating material using conductive bamboo charcoal as a filler and a preparation method thereof. It is suitable for industrial or civil heating, thermal insulation and heating facilities. Background technique [0002] In the prior art, the planar heating element is usually made by installing an electric heating element such as a metal resistance wire in an insulating material. The so-called planar heating means that the entire surface is a heating body, but the device for heating with an electric heating element such as a metal heating wire is not There are deficiencies in heating uniformity, safety and thermal efficiency, especially when used as home heating. SUMMARY OF THE INVENTION [0003] The technical problem to be solved by the present invention is: to provide a surface heating material with conductive bamboo charcoal as a filler and a preparation method thereof, the entire surface of the electric heating dev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B3/14H05B3/20
Inventor 邵千钧张齐生于红卫张文标张宏
Owner ZHEJIANG FORESTRY UNIVERSITY
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