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Preparation method of efficient and environment-friendly composite fire retardant

A flame retardant and composite technology, which is applied in chemical instruments and methods, dyeing organosilicon compound treatment, fibrous fillers, etc., can solve the problems of discounting the flame retardant effect of organic flame retardants, and reduce processing performance and physical properties The effect of preventing temperature rise and reducing industrial cost

Inactive Publication Date: 2012-04-04
HUAIYIN TEACHERS COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is worth noting that halogen-containing phosphates have been gradually banned in Europe, especially in products related to life such as decoration, home furnishing, and vehicles, which greatly reduces the flame retardant effect of organic flame retardants.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: Prepare composite flame retardant and flame-retardant polyurethane foam according to the following steps:

[0020] (1) Add 5.0kg of commercially available attapulgite of 200 meshes to 150kg of water, add 1g of sodium polyacrylate, stir at high speed in a water bath at 60°C, mix thoroughly for 5 hours, let stand for 40 minutes, take the upper layer of attapulgite suspension, vacuum or vacuum freeze-drying to obtain nano-scale attapulgite;

[0021] (2) Add 1.5kg of nano-scale attapulgite to 30kg of water, add 15g of γ-aminopropyltriethoxysilane, stir at a high speed in a water bath at 30°C, and disperse evenly; then add 0.15kg of nano-sized aluminum hydroxide, 0.075kg of tris (dipropylene glycol) phosphite, fully mixed for 5 hours to obtain a viscous mixture, vacuum or vacuum freeze-dried to obtain a composite flame retardant;

[0022] (3) Mix 100 parts by weight of polyoxypropylene triol and 15 parts of the above composite flame retardant; then add 1 part ...

Embodiment 2

[0024] Embodiment 2: Prepare composite flame retardant and flame-retardant polyurethane foam according to the following steps:

[0025] (1) Add 2.0kg of commercially available attapulgite of 200 meshes to 60kg of water, add 50.2g of sodium hexametaphosphate, stir at high speed in a water bath at 60°C, mix thoroughly for 5 hours, and let it stand for 40 minutes. Take the attapulgite suspension in the upper layer and vacuum Or vacuum freeze-drying to obtain nano-scale attapulgite;

[0026] (2) Add 0.5kg of nano-scale attapulgite to 17.5kg of water, add 15g of γ-aminopropyltriethoxysilane, stir at a high speed in a water bath at 30°C, and disperse evenly; then add 0.25kg of nano-sized magnesium hydroxide, 62.5g of N,N-di(2-hydroxyethyl)aminomethylphosphonic acid diethyl ester, mixed thoroughly for 5 hours to obtain a viscous mixture, vacuum or vacuum freeze-dried to obtain a composite flame retardant;

[0027] (3) Mix 100 parts by weight of polyoxypropylene triol and 15 parts of...

Embodiment 3

[0028] Embodiment 3: Prepare composite flame retardant and flame-retardant polyurethane foam according to the following steps:

[0029] (1) Add 10.0kg of commercially available attapulgite of 200 meshes to 300kg of water, add 0.5kg of sodium silicate, stir at high speed in a 60°C water bath, mix thoroughly for 5 hours, and let stand for 40 minutes. Take the upper layer of attapulgite suspension, vacuum or Vacuum freeze-drying to obtain nano-scale attapulgite;

[0030] (2) Add 2.0kg of nano-scale attapulgite to 100kg of water, add 0.1kg of γ-aminopropyltriethoxysilane, stir at a high speed in a water bath at 30°C, and disperse evenly; then add 0.8kg of nano-sized zinc oxide, 0.4kg N,N-di(2-hydroxyethyl)aminomethylphosphonic acid dimethyl ester, mixed thoroughly for 5 hours to obtain a viscous mixture, vacuum or vacuum freeze-dried to obtain a composite flame retardant;

[0031] (3) Mix 100 parts by weight of polyoxypropylene triol and 15 parts of the above composite flame reta...

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Abstract

The invention discloses a preparation method of an efficient and environment-friendly composite fire retardant, which comprises the following steps: modifying attapulgite to obtain nano attapulgite; and using the nano attapulgite as a substrate, coating a proper amount of inorganic fire retardant and phosphate fire retardant on the surface so as to form the efficient and environment-friendly composite fire retardant. By using the preparation method, the obtained fire retardant can be superfine, and the influence of the fire retardant on the processability and the physical properties of the high molecular substrate material can be weakened. At the same time, by the fire retardant property of the nano attapulgite and the synergetic effect of multiple fire retardants, the fire retardant efficiency is enhanced, the industrial cost of the fire retardant is lowered and a new way is provided for the development and the application of attapulgite.

Description

technical field [0001] The invention relates to a preparation method of an efficient and environment-friendly composite flame retardant, which is mainly used for flame retardancy of various polyurethane foam plastics. Background technique [0002] As we all know, with the rapid development of polymer synthetic materials, all kinds of polyurethane foam products are more widely used in various fields, playing an increasingly important role in people's living environment, however, due to the polyurethane foam components It is rich in carbon and hydrogen, and generally has high flammability. Under the condition of aerobic and heating, it is flammable and produces toxic smoke, which is harmful to the environment. Therefore, flame retardancy has become a very important topic for polyurethane foam. In particular, the wide application of polyurethane foam in the fields of construction, transportation, and daily necessities has drawn great attention to the development and applicatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L75/04C08K9/10C08K9/06C08K3/34C08K3/22C08K3/38C08K5/524C08K5/5353C09C1/28C09C3/00C09C3/12
Inventor 赵朴素王红艳宋洁
Owner HUAIYIN TEACHERS COLLEGE
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