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Carbon paper laminated composite thermal insulating lining

A lamination and lining technology, applied in the direction of adhesive type, adhesive additive, carbon preparation/purification, etc., can solve the problems of long production period, poor thermal insulation performance, brittleness and brittleness, etc., to reduce labor Strength, easy operation, and environmentally friendly effects

Active Publication Date: 2014-03-26
嘉兴市航龙塑料制品股份有限公司
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

However, the lining made of graphite material is expensive, has a long production period, is brittle and fragile, has high thermal conductivity and poor thermal insulation performance.

Method used

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Embodiment Construction

[0026] The present invention will be further described below. A preferred embodiment of the present invention is as follows: the adhesive layer of the carbon paper laminated composite thermal insulation inner lining described in this embodiment is made of the following raw materials according to the ratio: the adhesive is made of 100 Parts of resin, 20 parts of diluent, 40 parts of high-temperature resistant filler; the resin is formed by mixing phenolic resin and urea-formaldehyde resin and then adding a certain amount of alcohol; the high-temperature resistant filler is carbon black.

[0027] Its preparation method comprises the following steps:

[0028] (1) Preparation of adhesive: Put the required materials into the container according to the above ratio, mix them evenly with a high-speed mixer to a suitable viscosity, and set aside.

[0029] (2) Coating: Apply the prepared adhesive evenly on the surface of the expanded graphite paper, and then roll the expanded graphite p...

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Abstract

The invention provides a carbon paper laminated composite thermal insulating lining of a Czochralski silicon furnace. The carbon paper laminated composite thermal insulating lining comprises a substrate formed by curling flexible graphite paper, wherein an adhesive is applied between the curled contact surfaces of the substrate to form an adhesive layer. Consequently, a composite thermal insulating material composed of the flexible graphite paper and the adhesive material is formed. The carbon paper laminated composite thermal insulating lining provided by the invention is small in thermal conductivity coefficient, good in thermal barrier effect, high in temperature rise and fall rate, and low in thermal inertia. Furthermore, the carbon paper laminated composite thermal insulating lining is stable in thermal field system and excellent in thermal insulation properties. Besides, the carbon paper laminated composite thermal insulating lining is convenient to operate and advantageous for environmental protection.

Description

technical field [0001] The invention relates to the technical field of high-temperature heat insulation materials, in particular to a carbon paper laminated composite heat insulation inner lining used in the thermal field system of a Czochralski single crystal silicon furnace. Background technique [0002] The thermal field system of the single crystal furnace is the core of the Czochralski silicon single crystal growth equipment. The quality of the thermal field has a great influence on the quality of the single crystal silicon. A suitable thermal field parameter is enough to grow high-quality single crystals, but it is not good. A certain thermal field tends to make single crystal become polycrystalline, or it is impossible to seed the crystal at all. Although some thermal fields can grow single crystals, the quality is poor, and there are dislocations and other structural defects. Therefore, to find a good thermal field condition, Configuring the best thermal field system...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B31/02C30B15/14C09J163/00C09J161/06C09J161/24C09J201/06C09J11/06C09J11/04C01B32/05
Inventor 赵祥志沈镭赵叔阳赵峰杜新民高广颖李崇新
Owner 嘉兴市航龙塑料制品股份有限公司
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