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Halogen-free flame retardant composition for butadiene styrene rubber and preparing method for butadiene styrene rubber

A technology of styrene-butadiene rubber and flame retardant, which is applied in the field of preparation of halogen-free flame retardant composition and styrene-butadiene rubber. Effect of reducing organic matter content and preventing combustion

Inactive Publication Date: 2019-07-30
DALIAN GAOKE FLAME RETARDANT RUBBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the existing flame retardants used for styrene-butadiene rubber are halogen-containing flame retardants. Their disadvantages are that they release a large amount of smoke and contain a large concentration of poisonous gas during combustion, which will cause the throat of the person who inhales the poisonous gas to swell rapidly and die of suffocation.
Adding halogen-free flame retardants such as aluminum hydroxide, zinc borate, etc., the addition amount is very large, resulting in too much decline in its physical properties, which cannot meet the needs of use

Method used

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  • Halogen-free flame retardant composition for butadiene styrene rubber and preparing method for butadiene styrene rubber
  • Halogen-free flame retardant composition for butadiene styrene rubber and preparing method for butadiene styrene rubber
  • Halogen-free flame retardant composition for butadiene styrene rubber and preparing method for butadiene styrene rubber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A. Take 10 parts by weight of melamine cyanurate, 50 parts of pentaerythritol phosphate, 10 parts of zinc aluminate, 3 parts of red phosphorus, 3 parts of dipentaerythritol, 30 parts of water and silicon dioxide, and 30 parts of magnesium hydroxide composition composition;

[0040] B. Cool the internal mixer with water, control the temperature of the working room of the internal mixer to 90°C to 130°C, adjust the speed of the internal mixer to 37 rpm, adjust the pressure of the top bolt on the internal mixer to 0.4MPa, and start the internal mixer for internal mixing. After 10 seconds of internal mixing, weigh 80-100 parts of styrene-butadiene rubber and add it to the internal mixer to form a mixture, and adjust the speed to 40 rpm;

[0041] C. After 30 seconds for banburying, add the composition into the banbury mixer for banburying;

[0042] D. Add 45-55 parts of white carbon black at 200 seconds for banburying, control and keep the temperature of the glue at 160°C f...

Embodiment 2

[0046] Compared with Example 1, this embodiment has only changed the composition formula: the composition includes the following materials in weight percentage: 13 parts of melamine cyanurate, 57 parts of pentaerythritol phosphate, 12 parts of zinc aluminate, 4 parts of red phosphorus, 4 parts of dipentaerythritol, 42 parts of water and silicon dioxide, 43 parts of aluminum hydroxide, the preparation method still adopts the preparation method of Example 1.

Embodiment 3

[0048] Compared with Example 1, the present embodiment has only changed the composition formula: the composition includes the following materials in percentage by weight: 14 parts of melamine cyanurate, 60 parts of pentaerythritol phosphate, 14 parts of zinc aluminate, 5 parts of phosphoric acid ester, 5 parts of dipentaerythritol, 45 parts of water and silicon dioxide, 45 parts of aluminum hydroxide, the preparation method still adopts the preparation method of Example 1.

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Abstract

The embodiment of the invention relates to the technical field of rubber materials, in particular to a halogen-free flame retardant composition for butadiene styrene rubber and a preparing method forthe butadiene styrene rubber. The halogen-free flame retardant composition for the butadiene styrene rubber is prepared from, by weight, 10-15 parts of tripolycyanamide cyanuric acid salt, 50-65 partsof pentaerythritol phosphate ester, 10-15 parts of zinc aluminum oxide, 3-5 parts of a flame retardant, 3-5 parts of dipentaerythritol, 30-55 parts of water and silicon dioxide and 30-55 parts of a smoke suppression agent. The halogen-free flame retardant composition for the butadiene styrene rubber has the advantages that in the halogen-free flame retardant composition, the tripolycyanamide cyanuric acid salt, the zinc aluminum oxide, red phosphorus and aluminum hydroxide form a complex flame retardant system, when the butadiene styrene rubber is burned, the complex flame retardant system reacts, and during burning, air is isolated, expanding is conducted, the organic-matter content is reduced, the temperature is reduced, and burning is furthest stopped.

Description

technical field [0001] The embodiment of the present invention relates to the technical field of rubber materials, specifically a halogen-free flame retardant composition for styrene-butadiene rubber and a preparation method of styrene-butadiene rubber. Background technique [0002] Styrene-butadiene rubber (SBR), also known as polystyrene butadiene copolymer. Its physical structure performance, processing performance and product performance are close to natural rubber. Some properties such as wear resistance, heat resistance, aging resistance and vulcanization speed are better than natural rubber. It can be used together with natural rubber and various synthetic rubbers. It is widely used It is used in the production of tires, tapes, hoses, wires and cables, medical appliances and various rubber products. It is the largest general-purpose synthetic rubber variety and one of the earliest rubber varieties to achieve industrial production. [0003] Most of the existing flame ...

Claims

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Application Information

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IPC IPC(8): C08L9/06C08K13/02C08K5/3492C08K5/521C08K3/24C08K3/36C08K3/22C08K3/02
CPCC08K13/02C08K5/34928C08K5/521C08K3/24C08K3/36C08K3/22C08K3/02C08K2003/2224C08K2003/2227C08K2003/026C08L9/06
Inventor 郭连龙戴宇
Owner DALIAN GAOKE FLAME RETARDANT RUBBER