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Fire retardant compounded by magnesium-aluminium double hydroxide and antimony oxide

A technology for compounding flame retardants and hydroxides is applied in the field of magnesium-aluminum layered double hydroxides and antimony oxide compounding flame retardants to achieve the effects of extending the usable life, reducing consumption and improving performance

Inactive Publication Date: 2019-02-15
广西华锑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention provides a magnesium-aluminum layered double hydroxide synergistic antimony oxide compound flame retardant to solve the problems of modification and improve the flame retardant effect of the product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A flame retardant, in parts by mass, comprising the following raw materials: 12 parts of polybutylene terephthalate, 60 parts of antimony trioxide, 20 parts of magnesium-aluminum layered double hydroxide, basic carbonic acid 0.5 parts of salt, 1 part of organic ammonium bromide, 1.5 parts of methyl silicone oil, 1 part of acrylate, 4 parts of dispersant.

[0037] The melt mass flow rate of the polybutylene terephthalate is 30g / 10min.

[0038] The antimony trioxide is in full cubic crystal form, with an average particle size of 1.0-3 μm, a purity of 99.67-99.81%, and a whiteness of 95-98.

[0039] The basic carbonate is magnesium aluminum basic carbonate.

[0040] The organic ammonium bromide is tetrabutylammonium bromide.

[0041] The dispersant is polyethylene wax.

[0042] The method for preparing flame retardant by using modification technology and compounding technology comprises the following steps:

[0043] Step 1, polybutylene terephthalate drying: use hot ai...

Embodiment 2

[0049] A flame retardant, in parts by mass, comprising the following raw materials: 12 parts of polybutylene terephthalate, 70 parts of antimony trioxide, 10 parts of magnesium-aluminum layered double hydroxide, basic carbonic acid 0.5 parts of salt, 1 part of organic ammonium bromide, 1.5 parts of methyl silicone oil, 1 part of acrylate, 4 parts of dispersant.

[0050] The melt mass flow rate of the polybutylene terephthalate is 5-40g / 10min.

[0051] The antimony trioxide is in full cubic crystal form, with an average particle size of 2-5 μm, a purity of 99.71-99.85%, and a whiteness of 96-99.

[0052] The basic carbonate is magnesium aluminum basic potassium carbonate.

[0053] The organic ammonium bromide is cetyl ammonium bromide.

[0054] The dispersant is silicone masterbatch.

[0055] The method for preparing flame retardant by using modification technology and compounding technology comprises the following steps:

[0056] Step 1, polybutylene terephthalate drying: ...

Embodiment 3

[0062] A flame retardant, in parts by mass, comprising the following raw materials: 12 parts of polybutylene terephthalate, 60 parts of antimony trioxide, 20 parts of magnesium-aluminum layered double hydroxide, basic carbonic acid 1 part of salt, 0.5 parts of organic ammonium bromide, 1 part of methyl silicone oil, 1.5 parts of acrylate, 4 parts of dispersant.

[0063] The melt mass flow rate of the polybutylene terephthalate is 10-42g / 10min.

[0064] The antimony trioxide is in full cubic crystal form, with an average particle size of 1.2-4 μm, a purity of 99.65-99.82%, and a whiteness of 95-99.

[0065] The basic carbonate is magnesium aluminum basic carbonate.

[0066] The organic ammonium bromide is cetyl ammonium bromide.

[0067] The dispersant is polyethylene wax.

[0068] The method for preparing flame retardant by using modification technology and compounding technology comprises the following steps:

[0069] Step 1, polybutylene terephthalate drying: use hot air...

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Abstract

The invention discloses a fire retardant compounded by magnesium-aluminium double hydroxide and antimony oxide. The fire retardant comprises the following raw materials: polybutylene terephthalate, antimonous oxide, the magnesium-aluminium double hydroxide, basic carbonate, organic ammonium bromide, methylsilicone oil, acrylate and a dispersant; the mass ratio of the basic carbonate to the organicammonium bromide is (0.1-2.5):(0.5-5); the mass ratio of the methylsilicone oil to the acrylate is (0.5-5):(0.5-3). The invention realizes the replacement to the antimony oxide with the modified magnesium-aluminium double hydroxide by the modified technology and the compounded technology, and a synergistic fire retardant system is formed by introducing halogen atoms and the antimonous oxide, thereby effectively improving the properties of the compounded fire retardant.

Description

technical field [0001] The invention belongs to the technical field of flame retardant preparation, and in particular relates to a magnesium-aluminum layered double hydroxide synergistic antimony oxide composite flame retardant. Background technique [0002] Traditional halogenated flame retardants such as polyhalogenated biphenyls will release dioxin-like environmental pollutants during use and recycling incineration, which are highly toxic carcinogens. my country's "Eleventh Five-Year Plan" national science and technology support plan lists the development of new products of environmentally friendly flame retardants such as halogen-free magnesium, hydrogen and phosphorus as key support projects. At present, the application of inorganic flame retardants in developed countries is more than 50%, mainly Al(OH) 3 and Mg(OH) 2 . However, halogenated flame retardants still account for the majority in the Chinese market, and inorganic flame retardants will be vigorously develop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L83/04C08K13/02C08K3/22C08K3/26C08K5/19
CPCC08L67/02C08L2201/02C08L83/04C08K13/02C08K3/2279C08K3/22C08K3/26C08K5/19
Inventor 雷圆戴新蓝莉荔王涛潘善初
Owner 广西华锑科技有限公司
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