Flame-retardant flexible sound-insulating material as well as preparation method and application thereof

A sound insulation material and flexible technology, applied in the field of flame retardant flexible sound insulation material and its preparation, can solve the problems of limited use, black color, choking and toxic gas, etc., and achieve easy installation and disassembly, light weight and good sound insulation performance Effect

Active Publication Date: 2018-05-08
STATE GRID HUNAN ELECTRIC POWER +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Chinese patent CN201610387794.0 discloses a soft high specific gravity rubber and plastic foam material for sound insulation and noise reduction. Although its sound insulation performance is good, it will produce a large amount of black and choking toxic gas when it is burned , the use in areas with higher fire protection requirements will be restricted

Method used

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  • Flame-retardant flexible sound-insulating material as well as preparation method and application thereof
  • Flame-retardant flexible sound-insulating material as well as preparation method and application thereof
  • Flame-retardant flexible sound-insulating material as well as preparation method and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A method for preparing a flame-retardant flexible sound-insulating material of the present invention, comprising the following steps:

[0035] (1) Weigh raw materials according to the following weight ratio: 30 parts of EPDM, 20 parts of polypropylene, 5 parts of carbon fiber, 15 parts of ultrafine metal iron powder (2 μm), 15 parts of dioctyl adipate, hydrogenated 5 parts of aluminum, 2 parts of calcium zinc powder, 2 parts of dibenzothiazole disulfide, 2 parts of sublimed sulfur, 2 parts of silane coupling agent (KH570), 2 parts of nano silver.

[0036] (2) Pre-vulcanization treatment: Put EPDM, polypropylene, dioctyl adipate, and calcium-zinc powder into an open mixer (at a temperature of 160°C and at a speed of 20r / min) and knead for 2 minutes. Add carbon fiber, superfine metal iron powder, aluminum hydroxide and silane coupling agent (KH570), and continue kneading for 5 minutes.

[0037] (3) Vulcanization treatment: After the mixture is cooled to room temperature,...

Embodiment 2

[0044] A method for preparing a flame-retardant flexible sound-insulating material of the present invention, comprising the following steps:

[0045] (1) Weigh raw materials according to the following weight ratio: 35 parts of EPDM, 20 parts of polypropylene, 5 parts of aluminum fiber, 10 parts of ultrafine metal iron powder (2 μm), 15 parts of dioctyl phthalate, 5 parts of aluminum hydroxide, 2 parts of organic antimony, 2 parts of dibenzothiazole disulfide, 2 parts of sublimed sulfur, 2 parts of silane coupling agent (KH570), 2 parts of nano silver.

[0046] (2) Pre-vulcanization treatment: first put EPDM, polypropylene, dioctyl phthalate, and organic antimony into an open mixer (at a temperature of 160°C and at a speed of 20r / min) and knead for 2 minutes, then add Aluminum fiber, superfine metal iron powder, aluminum hydroxide and silane coupling agent (KH570), continue kneading for 5 minutes.

[0047] (3) Vulcanization treatment: After the mixture is cooled to room temper...

Embodiment 3

[0053] A method for preparing a flame-retardant flexible sound-insulating material of the present invention, comprising the following steps:

[0054] (1) Weigh raw materials according to the following weight ratio: 35 parts of butadiene rubber, 15 parts of polyurethane, 5 parts of aluminum fiber, 15 parts of ultrafine graphene powder (200nm), 15 parts of dioctyl adipate, zinc borate 5 parts, calcium zinc powder 2 parts, dibenzothiazole disulfide 2 parts, sublimated sulfur 2 parts, silane coupling agent (KH570) 2 parts, nano silver 2 parts.

[0055] (2) Pre-vulcanization treatment: Put butadiene rubber, polyurethane, dioctyl adipate, and calcium-zinc powder into an open mill (at a temperature of 160°C and at a speed of 20r / min) and knead for 2 minutes, then add aluminum fiber , ultrafine graphene powder and chromium complex coupling agent, continue to knead for 5min.

[0056] (3) Vulcanization treatment: After the mixture is cooled to room temperature, add sublimated sulfur, d...

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Abstract

The invention discloses a flame-retardant flexible sound-insulating material as well as a preparation method and application thereof. The flame-retardant flexible sound-insulating material comprises the following components in parts by weight: 25-40 parts of halogen-free rubber, 15-25 parts of halogen-free plastic, 2-10 parts of a reinforced fiber, 5-15 parts of heavy powder, 10-20 parts of a plasticizer, 5-10 parts of a flame retardant, 1-2 parts of a stabilizer, 1-2 parts of an accelerant, 1-2 parts of a vulcanizing agent and 1-2 parts of a coupling agent. The preparation method comprises the following steps: (1) weighing raw materials; (2) performing mixing treatment before vulcanization; (3) performing vulcanization treatment; (4) cutting, and trimming, thereby obtaining a finished product. The flame-retardant flexible sound-insulating material disclosed by the invention has the advantages of being light in weight, good in sound insulation effect, high in strength, good in flame retardancy and aging resistance, capability of folding and coiling, and the like, and can be widely used as a sound-insulating component raw material or as a sound-insulating component directly.

Description

technical field [0001] The invention belongs to the technical field of new sound insulation materials, and in particular relates to a flame-retardant flexible sound insulation material and its preparation method and application. Background technique [0002] With the development of social economy and the increase of urban population density, noise pollution has attracted more and more public attention. Noise reduction facilities such as sound barriers and sound insulation enclosures are the most commonly used and most effective technical means in noise pollution control. However, in order to achieve sufficient sound insulation and reduce sound reflection, conventional sound insulation barriers and sound insulation covers usually adopt the main structure of metal plates, sound-absorbing materials and metal perforated plates, resulting in thick and heavy sound insulation structures. It is very inconvenient to install and disassemble. Especially when the enclosure is power eq...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L23/12C08L9/00C08L75/04C08K13/04C08K7/06C08K5/11C08K3/22C08K5/47C08K3/08
CPCC08K2003/0806C08K2003/0856C08K2003/2227C08K2003/387C08K2201/003C08K2201/011C08L9/00C08L23/16C08L2201/02C08L2201/22C08L23/12C08K13/04C08K7/06C08K5/11C08K3/22C08K5/47C08K3/08C08L75/04C08K3/04C08K5/22C08K3/38
Inventor 胡胜彭继文吴晓文卢铃
Owner STATE GRID HUNAN ELECTRIC POWER
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