Preparation method for ammonium aluminum carbonate hydroxide fiber with high length-diameter ratio

A technology of aluminum ammonium carbonate fiber and high aspect ratio, which is applied in the direction of inorganic raw material artificial filament, etc., can solve the problems of corrosive gas, hazards, toxicity, etc., and achieve the effect of easy dispersion

Inactive Publication Date: 2014-07-09
WUYI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the flame retardant of high polymers (various plastics including engineering plastics) in China, additive brominated flame retardants with low consumption, high flame retardant efficiency and wide adaptability are mainly used, but this kind of flame retardants A large amount of smoke and toxic and corrosive gases are generated during combustion, causing harm to the human respi

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of preparation method with high aspect ratio ammonium aluminum carbonate fiber described in this embodiment 1 comprises the following steps:

[0022] (1) Use a graduated cylinder to measure 100ml of distilled water and add it to a 250ml beaker, put the beaker into a water bath, and heat the water bath to 65°C;

[0023] (2) Use a pipette to measure 36ml of distilled water and add it to a 250ml beaker, put it on a magnetic stirrer for magnetic stirring, the speed is controlled at 260r / min, weigh 0.02mol of aluminum nitrate with an electronic balance and add it to the beaker until it is completely dissolved. Then weigh 0.1 mol of urea and add it to the beaker, while adjusting the pH to 2.5 to obtain component A;

[0024] (3) Use a pipette to measure 16ml of distilled water in a water bath into a 100ml beaker, weigh 0.2mmol of sodium dodecylbenzene sulfonate, and stir evenly with a glass to obtain component B;

[0025] (4) Slowly add component B to component A, and ...

Embodiment 2

[0029] A kind of preparation method with high aspect ratio ammonium aluminum carbonate fiber described in this embodiment 2 comprises the following steps:

[0030] (1) Measure 150ml of distilled water with a graduated cylinder and add it to a 250ml beaker, put the beaker into a water bath, and heat the water bath to 60°C;

[0031] (2) Use a pipette to measure 20ml of distilled water and add it to a 250ml beaker, put it on a magnetic stirrer for magnetic stirring, the speed is controlled at 200r / min, weigh 0.01mol of aluminum nitrate with an electronic balance and add it to the beaker until it is completely dissolved. Then weigh 0.05 mol of urea and add it to the beaker, while adjusting the pH to 2.5 to obtain component A;

[0032] (3) Use a pipette to measure 20ml of distilled water in a water bath into a 100ml beaker, weigh 0.1mmol of sodium dodecylbenzenesulfonate, and stir evenly with a glass to obtain component B;

[0033] (4) Slowly add component B to component A, and st...

Embodiment 3

[0037] A kind of preparation method with high aspect ratio ammonium aluminum carbonate fiber described in present embodiment 3 comprises the following steps:

[0038] (1) Use a graduated cylinder to measure 200ml of distilled water and add it to a 250ml beaker, put the beaker in a water bath, and heat the water bath to 80°C;

[0039] (2) Use a pipette to measure 40ml of distilled water and add it to a 250ml beaker, put it on a magnetic stirrer for magnetic stirring, the speed is controlled at 300r / min, weigh 0.03mol of aluminum nitrate with an electronic balance and add it to the beaker until it is completely dissolved. Then weigh 0.3 mol of urea and add it to the beaker, while adjusting the pH to 2.5 to obtain component A;

[0040] (3) Use a pipette to measure 30ml of distilled water in a water bath into a 100ml beaker, weigh 0.5mmol of sodium dodecylbenzene sulfonate, and stir evenly with a glass to obtain component B;

[0041] (4) Slowly add component B to component A, and...

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PUM

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Abstract

The invention discloses a preparation method for an ammonium aluminum carbonate hydroxide fiber with a high length-diameter ratio. The preparation method comprises the following steps: (1) measuring distilled water with a measuring cylinder, adding the distilled water into a beaker and carrying out heating to a temperature of 60 to 80 DEG C in a in water bath; (2) measuring distilled water with a transfer pipette, adding the distilled water into another beaker, carrying out magnetic stirring, weighing aluminum nitrate and urea, adding weighed aluminum nitrate and urea into the beaker and allowing aluminum nitrate and urea to be completely dissolved so as to obtain a component A; (3) measuring a part of distilled water in a water-bath kettle with the transfer pipette, adding the distilled water into a small beaker, adding a surfactant and carrying out uniform mixing under stirring so as to obtain a component B; (4) slowly adding the component B into the component A and carrying out uniform mixing under magnetic stirring; (5) pouring a mixed liquid obtained in the step (4) into a hydro-thermal reaction vessel so as to obtain a white precipitate; and (6) washing the white precipitate with distilled water and absolute ethyl alcohol a plurality of times and successively carrying out ultrasonic treatment, pumping filtration, drying and grinding so as to obtain the ammonium aluminum carbonate hydroxide fiber with a high length-diameter ratio. The prepared ammonium aluminum carbonate hydroxide fiber has the advantages of no corrosion, low viscosity, combustion resistance, environment friendliness, easy dispersion in a solution and a high length-diameter ratio.

Description

technical field [0001] The present invention relates to a preparation method of aluminum ammonium carbonate fiber with high aspect ratio, in particular to a high aspect ratio aluminum ammonium carbonate product which has corrosion resistance, low viscosity, flame resistance, environmental protection and is easy to disperse in solution Methods of making fibers. Background technique [0002] Among all kinds of disasters, fire is one of the main disasters that most frequently and commonly threatens public safety and social development, and poses a great threat to people's lives and property. If some flame-retardant materials can be added to daily life protection measures, it will Greatly reduces the threat. Fire retardant material is a kind of protective material. It is a material that can prevent burning and is not easy to burn. If a flame retardant is coated on the surface of various materials such as fire walls, it can ensure that it will not be burned in the event of a fir...

Claims

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Application Information

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IPC IPC(8): D01F9/08
Inventor 牛双蛟尹荔松
Owner WUYI UNIV
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