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High temperature refractory synthetic crystal insulating tape and its production process

A technology of high temperature fire resistance and production process, applied in the direction of insulators, insulators, insulated cables, etc., can solve the problems of high temperature resistance cables being pushed back, no moisture-proof function, cable damage, etc., and achieve the effect of improving flame retardant properties.

Inactive Publication Date: 2015-09-02
常州欧贝斯绝缘材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Synthetic crystal insulating tape generally refers to synthetic mica tape, which is widely used in the fire-resistant insulation packaging of cables. The common structure is to wrap a layer of high-temperature fire-resistant mica tape outside the conductive copper core of the cable. The existing high-temperature fire-resistant mica tape is generally divided into Single-sided and double-sided structure, which generally only includes glass cloth layer, adhesive layer and mica paper; the mica tape has high temperature resistance and fire resistance when used, but does not have moisture resistance; in case of fire, the flame will destroy the circuit The outer insulation layer of the mica tape, the high temperature resistance of the mica tape delays the overall damage of the cable. However, if it encounters fire water or rainwater spray at this time, the mica tape loses its own characteristics after being damp, and the cable is destroyed. unreliable and practical

Method used

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  • High temperature refractory synthetic crystal insulating tape and its production process
  • High temperature refractory synthetic crystal insulating tape and its production process

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specific Embodiment approach

[0032] Such as figure 1 and figure 2 As shown, it shows a specific embodiment of the high temperature refractory synthetic crystal insulating tape of the present invention, figure 2 shows a single-sided synthetic mica tape comprising a six-layer structure, figure 1 A double-sided synthetic mica tape comprising an eleven-layer structure is shown;

[0033] The above six layers of single-sided synthetic mica tape are as follows from top to bottom: flame retardant layer 5, polyester film 4, adhesive layer 2, alkali-free glass cloth 3, adhesive layer 2, synthetic mica paper 1;

[0034] The above eleven layers of double-sided synthetic mica tapes are as follows from top to bottom: flame retardant layer 5, polyester film 4, adhesive layer 2, alkali-free glass cloth 3, adhesive layer 2, synthetic mica paper 1, adhesive Layer 2, alkali-free glass cloth 3, adhesive layer 2, polyester film 4, flame retardant layer 5;

[0035] The adhesive layer adopts organic silicon resin or epoxy...

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Abstract

The invention discloses high temperature fire-proof synthetic crystal insulating tape. The high temperature fire-proof synthetic crystal insulating tape has a damp-proof property, and further has a high temperature resistant inflaming retarding property. The invention further discloses the process for producing the crystal insulating tape. The high temperature fire-proof synthetic crystal insulating tape is single face synthetic mica tape comprising a six-layer structure or a double-face synthetic mica tape comprising an eleven-layer structure, and the six-layer single face synthetic mica tape comprises a fire retardant layer, a polyester film, a viscose layer, alkali-free glass cloth, a viscose layer, synthetic mica paper, a viscose layer, alkali-free glass cloth, a viscose layer, a polyester film and a fire retardant layer from top to bottom. Each viscose layer adopts organic silicon resin or epoxy resin adhesive, and each fire retardant layer adopts phosphorus-nitrogen fire retardant. The invention further discloses the production process of the high temperature fire-proof synthetic crystal insulating tape.

Description

technical field [0001] The invention relates to an insulating material and its production process, in particular to a synthetic mica tape and its production process. Background technique [0002] Synthetic crystal insulating tape generally refers to synthetic mica tape, which is widely used in the fire-resistant insulation packaging of cables. The common structure is to wrap a layer of high-temperature fire-resistant mica tape outside the conductive copper core of the cable. The existing high-temperature fire-resistant mica tape is generally divided into Single-sided and double-sided structure, which generally only includes glass cloth layer, adhesive layer and mica paper; the mica tape has high temperature resistance and fire resistance when used, but does not have moisture resistance; in case of fire, the flame will destroy the circuit The outer insulation layer of the mica tape, the high temperature resistance of the mica tape delays the overall damage of the cable. Howev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B17/60H01B19/00H01B7/28H01B7/29H01B7/295
Inventor 张晓江
Owner 常州欧贝斯绝缘材料有限公司
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