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Production method for low-smoke halogen-free mica mineral reinforced fire-resistant cable material

A technology of fire-resistant cables and production methods, which is applied in the field of preparation, can solve the problems of casualties, poor adhesion, corrosion of equipment, etc., and achieve the effects of high insulation level, improved mechanical strength, and reliable quality

Inactive Publication Date: 2015-02-11
YANGZHOU DEBAO CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, my country's flame-retardant mining cable products are mainly halogen-containing flame-retardant. This kind of mining cable releases a large amount of smoke and corrosive halides when it is burned, causing casualties and corroding various equipment. At the same time, low-smoke cables on the market Halogen-free mica mineral refractory cable material has low temperature resistance, poor adhesion, and easy delamination

Method used

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Embodiment Construction

[0014] 1. Ingredients

[0015] Weigh each ingredient separately and set aside:

[0016] Mica Mineral 15g

[0017] Silicone 17g

[0018] Antioxidant Adhesive Rheological Agent 8g

[0019] Polyethylene masterbatch 25g

[0020] LDPE 15g

[0021] HDPE 20g

[0022] 2. Mixing: Mix the above ingredients;

[0023] 3. Hot melting: hot melting the above ingredients;

[0024] 4. Extrusion: pass the hot-melted mixture through the extrusion granulation unit to form a semi-finished product;

[0025] 5. Air cooling: the semi-finished product is cooled by wind;

[0026] 6. Pelletizing: cutting the semi-finished product into sections to form granules;

[0027] 7. In order to meet the application requirements of different products, the mica minerals are halogen-free mica minerals;

[0028] 8. Inspection and packaging of pellets;

[0029] application:

[0030] The pellets of the present invention are applied to the production of cables, and the cable products are tested to achieve th...

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Abstract

A production method for a low-smoke halogen-free mica mineral reinforced fire-resistant cable material is disclosed. The cable material is composed of mica mineral, silica gel, an antioxygen adhesion rheological agent, polyethylene master batch, low-density polyethylene and high-density polyethylene, and is prepared by performing mixing, hot melting, extrusion, wind cooling and pelletizing. The cable material is easy for production, stable in performances and reliable in quality. After being added with the cable material, a cable has strong fire resistance, high insulation grade, strong shielding property, and strong resistance to strong acids and alkalis, and also is improved in ultraviolet resistance. After being added with a little amount of the cable material, a cable has the mechanical strength improved by two times or more, and does not easily generate layering phenomenon.

Description

technical field [0001] The invention relates to a preparation method of a cable material, in particular to a production method of a low-smoke halogen-free mica mineral-enhanced fire-resistant cable material. Background technique [0002] At present, my country's flame-retardant mining cable products are mainly halogen-containing flame-retardant. This kind of mining cable releases a large amount of smoke and corrosive halides when it is burned, causing casualties and corroding various equipment. At the same time, low-smoke cables on the market Halogen-free mica mineral refractory cable material has low temperature resistance, poor adhesion and easy delamination. Contents of the invention [0003] The purpose of the present invention is to invent a production method of low-smoke halogen-free mica mineral-enhanced fire-resistant cable material. The production process of the present invention can optimize the temperature resistance of the cable material and reduce the smoke dam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L83/04C08K3/34
CPCC08L23/06C08L2201/02C08L2203/202H01B3/441
Inventor 丁士德
Owner YANGZHOU DEBAO CABLE
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