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Preparation method of high thermostable eight bromo ether

A technology of high thermal stability and octabromoether is applied in the field of preparation of high thermally stabilized octabromoether, can solve the problems of complicated octabromoether process and high cost of octabromoether treatment, achieves a significant initial decomposition temperature, avoids accelerated decomposition, The effect of increasing the initial decomposition temperature

Inactive Publication Date: 2012-10-31
山东兄弟科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The above-mentioned method is complex for improving the thermal stability of octabromoether, and the processing cost of octabromoether is high

Method used

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  • Preparation method of high thermostable eight bromo ether
  • Preparation method of high thermostable eight bromo ether

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Example 1 Weigh 100 parts of octabromoether, configure 3 parts of zinc stearate and barium stearate according to the mass ratio of 1:1, configure 2 parts of antioxidant 168 and antioxidant 1010 according to the ratio of 2:1, add Put 1 part of coupling agent KH570 into a high-speed mixer and stir evenly. The initial decomposition temperature of 1% weight loss of the test material is 285°C.

Embodiment 2

[0019] Example 2 Weigh 100 parts of octabromoether, configure 3 parts of zinc stearate and calcium stearate according to the mass ratio of 1:1, configure 2 parts of antioxidant 168 and antioxidant 1010 according to the ratio of 2:1, add Put 1 part of coupling agent KH570 into a high-speed mixer and stir evenly. The initial decomposition temperature of 1% weight loss of the test material is 288°C.

Embodiment 3

[0020] Example 3 Weigh 100 parts of octabromoether, configure 1 part of zinc stearate and calcium stearate according to the mass ratio of 1:1, prepare 1 part of antioxidant 168 and antioxidant 1010 according to the ratio of 2:1, add Put 1 part of coupling agent KH550 into a high-speed mixer and stir evenly. The initial decomposition temperature of 1% weight loss of the test material is 276°C.

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Abstract

Belonging to the technical field of preparing high thermostable materials by adding specific thermostable components into ordinary eight bromo ether, the invention relates to a preparation method of high thermostable eight bromo ether. The method of the invention employs a composite thermostable auxiliary agent of zine stearate / barium stearate or zine stearate / calcium stearate in a specific amount and a specific proportion, a composite anti-oxidant in a specific amount and a specific proportion, adds a specific kind of coupling agent, and adopts a high-speed mixer for high-speed stirring and blending so as to prepare a high thermostable eight bromo ether material, the 1% weight loss temperature of which is increased by 20-30DEG C.

Description

technical field [0001] The invention relates to a preparation method of highly thermally stabilized octabromoether, which belongs to the technical field of obtaining high thermal stability materials by adding specific stable components to common octabromoether. Background technique [0002] The full name of octabromoether is tetrabromobisphenol A-bis(2,3-dibromopropyl) ether, which is a commonly used brominated flame retardant, which is added to polypropylene, polystyrene and other materials and combined with antimony compounds When used in combination, the material can obtain excellent flame retardant properties. Since octabromoether has a bromine content of more than 67% and a melting point of more than 105°C, it has good compatibility with polyolefin materials. [0003] However, as a flame retardant additive material, the octabromoether molecule contains eight bromine atoms in the aliphatic chain. During the processing of the material, the bromine atom is prone to underg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K5/00C08K5/136C08K5/098C08K5/544C08K5/5425C08K5/134C08K5/526
Inventor 钱立军郭秀安
Owner 山东兄弟科技股份有限公司
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