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A kind of fireproof silica gel cloth and its preparation method and application

A technology of silicone cloth and rubber, applied in the direction of cables, insulated conductors, conductors, etc., can solve problems such as dripping, inability to protect cables, and fire spread, so as to improve strength and performance, improve flame retardancy, and prevent fire from spreading rapidly Effect

Active Publication Date: 2022-03-08
SHENZHEN LAIMEISI SILICON IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the above-mentioned existing technical solutions have the following defects: the glass fiber flame-retardant silicone cloth will become oily and drip after reaching the ignition point and burning, and cannot continue to protect the cables in the fire. When the glass fiber flame-retardant silicone cloth After burning out, the cable will still be burned, which will cause the fire to spread quickly

Method used

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  • A kind of fireproof silica gel cloth and its preparation method and application
  • A kind of fireproof silica gel cloth and its preparation method and application
  • A kind of fireproof silica gel cloth and its preparation method and application

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specific Embodiment

[0055] Test method: Fireproof silicone cloth with different weight parts of raw materials was used for flammability test (vertical combustion), and a total of 3 control groups and 9 test groups were designed, which were control group A to control group C and test group D to test Group L, the fireproof silicone cloth in control group A is only added with ceramic flame retardant, the fireproof silicone cloth in control group B is only added with ammonium polyphosphate flame retardant, and the fireproof silicone cloth in control group C is only added with halogen-free flame retardant 3 kinds of flame retardants are added to the fireproof silicone cloth in test group D~test group L, each group includes 5 pieces of fireproof silicone cloth and the fireproof silicone cloth in the group is cut from different samples of the same weight of raw material components The size of each piece of fireproof silicone cloth is: 125mm×13.0mm×1.2mm.

[0056] Test standard: UL 94-2017.

[0057] Tes...

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Abstract

The invention relates to a fire-resistant silicone cloth and its preparation method and application, which solves the problem that the existing flame-retardant silicone cloth will become oily and drip after burning, and cannot continue to protect cables in the fire. It contains the following raw material components by weight: 80-120 parts of methyl vinyl silicone rubber, 35-65 parts of flame retardant, 0.6-1 part of coupling agent, 1.3-1.7 parts of cross-linking agent, and 0.1-0.3 parts of inhibitor Parts, catalyst 1.8-2.2 parts. The flame retardant and methyl vinyl silicone rubber in the fireproof silicone cloth in the present invention will solidify and harden after being burned at high temperature, forming a dense protective layer and keeping it coated on the outside of the cable, thereby protecting the cable For protection, it has the effect of preventing the rapid spread of fire.

Description

technical field [0001] The invention relates to the technical field of fireproof silica gel, in particular to a fireproof silica gel cloth and its preparation method and application. Background technique [0002] In daily life and industrial production, the use of electronic appliances is very common, and electronic components are becoming more and more dense and miniaturized, which puts forward higher requirements for the stability of electronic devices. Electronic devices will generate heat during use, and there may be a problem of accidental fire accidents. Since electronic appliances are connected to each other through cables, the flame will spread rapidly along the cables when a fire occurs. If there is no Rapid fire extinguishing will form a larger fire in a short period of time, resulting in greater losses or even safety accidents. [0003] In order to improve the safety of electronic appliances, a layer of flame-retardant cloth or flame-retardant coating is usually ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/07C08L83/05C08K3/32C08K5/3492C08K5/5425B29B7/00H01B7/295
CPCC08L83/04B29B7/005H01B7/295C08K2003/323C08L2203/202C08L2201/02C08L2201/22C08L2205/03C08L2205/025C08K3/32C08K5/34928C08K5/5425
Inventor 宋先均杨智军
Owner SHENZHEN LAIMEISI SILICON IND CO LTD