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Insulation aramid fiber felt with high-temperature resistance and preparation method of insulation aramid fiber felt

A high-temperature-resistant, aramid felt technology is applied in the field of high-temperature-resistant insulating aramid felt and its preparation. Good mechanical properties and good insulation effect

Active Publication Date: 2017-07-18
X FIPER NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0002] Insulating felt is a kind of insulating material commonly used in transformers. The existing insulating felts include polyester fiber felt and glass fiber felt. The glass filaments in the fiber mat are thin, brittle, and low in density, which can easily penetrate into the skin of workers and cause harm to the human body

Method used

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with specific embodiments.

[0021] The invention provides an aramid felt for high temperature resistance insulation, comprising at least two layers of aramid 1313 non-woven fabrics made of aramid 1313 fibers, and each adjacent two layers of aramid 1313 non-woven fabrics are hydroentangled , the linear density of the aramid 1313 fiber is 2D or 1.5D.

[0022] The present invention also provides a method for preparing the aramid felt for high temperature resistance insulation, comprising the following steps:

[0023] a) Prepare raw materials: prepare 47-50 parts by mass of aramid 1313 fiber with a linear density of 2D and 51-55 parts by mass of aramid 1313 fiber with a linear density of 1.5D;

[0024] B) loosening and mixing: the two kinds of aramid fiber 1313 fibers are loosened and loosened, removed impurities, and mixed uniformly;

[0025] c) carding: two kinds of aramid fiber 1313 fibers are carded...

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Abstract

The invention discloses insulation aramid fiber felt with high-temperature resistance and a preparation method of the insulation aramid fiber felt. The insulation aramid fiber felt with high-temperature resistance comprises at last two layers of aramid fiber 1313 non-woven fabric prepared from aramid fibers 1313, every two adjacent layers of the aramid fiber 1313 non-woven fabric are subjected to spunlace composition, and the linear density of the aramid fibers 1313 is 2D or 1.5D. Compared with the prior art, the insulation aramid fiber felt with high-temperature resistance has permanent flame retardance and is good in safety, physical and mechanical property and insulativity and aging-resistant.

Description

technical field [0001] The invention relates to an aramid fiber felt for high temperature resistance insulation and a preparation method thereof. Background technique [0002] Insulating felt is a kind of insulating material commonly used in transformers. The existing insulating felts include polyester fiber felt and glass fiber felt. The glass filaments in the fiber mat are thin, brittle, and low in density, so they can easily penetrate into the skin of workers and cause harm to the human body. Therefore, it is necessary to provide a new insulating blanket to solve the above problems. Contents of the invention [0003] The object of the present invention is to provide a kind of aramid fiber felt with permanent flame retardancy, good safety, good physical and mechanical properties, aging resistance, good insulation performance and high temperature resistance insulation and its preparation method. [0004] In order to achieve the above object, the technical scheme adopted...

Claims

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Application Information

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IPC IPC(8): D04H1/4342D04H1/492
CPCD04H1/4342D04H1/492
Inventor 钟洲王丽丽丁秀陈车明国
Owner X FIPER NEW MATERIAL CO LTD
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