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Microcapsule type flame retardant and preparation method thereof

A flame retardant and microcapsule technology, which is applied in the field of microcapsule flame retardant and its preparation, can solve the problems of high environmental damage, insufficient thermal stability, poor char formation, etc., and achieves reduction of migration and heat release rate. , the effect of reducing the burning rate

Inactive Publication Date: 2018-04-20
XIHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above-mentioned deficiencies in the prior art, the present invention provides a microcapsule flame retardant and a preparation method thereof, which can effectively solve the problem of poor char formation, insufficient thermal stability, and great environmental hazards of existing microcapsule flame retardants. question

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A microcapsule flame retardant, comprising the following components by weight:

[0028] 10 parts of sodium stearate, 20 parts of glucomannan, 80 parts of triaryl phosphate, 20 parts of phenolic resin, 20 parts of aminomethylphosphonic acid, 10 parts of tetravinyltetramethylcyclotetrasiloxane, silicon oxide 10 parts, 5 parts of baicalin, 2 parts of cinnamate, 2 parts of coumarin ester, 30 parts of nano-chitosan, 30 parts of gelatin, 20 parts of sodium alginate, 60 parts of kapok fiber and 5 parts of triphenyl phosphite .

[0029] The preparation method of above-mentioned microcapsule flame retardant comprises the following steps:

[0030] (1) Mix and dissolve triaryl phosphate ester and phenolic resin according to the formula, stir evenly, then add anionic emulsifier, glucomannan, aminomethylphosphonic acid, coupling agent, flame retardant synergist and antioxidant, continue Stir for 2h, then add natural fiber, stir for 1h, then extrude at 180°C, 10MPa extruder;

[00...

Embodiment 2

[0034] A microcapsule flame retardant, comprising the following components by weight:

[0035] 18 parts of lauric acid soap, 26 parts of glucomannan, 78 parts of triaryl phosphate, 20 parts of phenolic resin, 20 parts of aminomethylphosphonic acid, 8 parts of tetravinyltetramethylcyclotetrasiloxane, zinc borate 12 parts, 5 parts of baicalin, 3 parts of cinnamate, 3 parts of coumarin ester, 34 parts of nano-chitosan, 34 parts of gelatin, 25 parts of sodium alginate, 80 parts of flax fiber and diphenyl isooctyl phosphite 8 servings.

[0036] The preparation method of above-mentioned microcapsule flame retardant comprises the following steps:

[0037] (1) Mix and dissolve triaryl phosphate ester and phenolic resin according to the formula, stir evenly, then add anionic emulsifier, glucomannan, aminomethylphosphonic acid, coupling agent, flame retardant synergist and antioxidant, continue Stir for 2h, then add natural fiber, stir for 2h, then extrude at 200°C, 15MPa extruder;

...

Embodiment 3

[0041] A microcapsule flame retardant, comprising the following components by weight:

[0042]10 parts of lauric acid soap, 30 parts of glucomannan, 60 parts of triaryl phosphate, 30 parts of phenolic resin, 20 parts of aminomethylphosphonic acid, 10 parts of tetravinyltetramethylcyclotetrasiloxane, zinc borate 15 parts, baicalin 3 parts, cinnamate 5 parts, coumarin ester 5 parts, nano-chitosan 40 parts, gelatin 40 parts, sodium alginate 30 parts, flax fiber 73 parts and diphenyl isooctyl phosphite 10 servings.

[0043] The preparation method of above-mentioned microcapsule flame retardant comprises the following steps:

[0044] (1) Mix and dissolve triaryl phosphate ester and phenolic resin according to the formula, stir evenly, then add anionic emulsifier, glucomannan, aminomethylphosphonic acid, coupling agent, flame retardant synergist and antioxidant, continue Stir for 1h, then add natural fiber, stir for 1h, then extrude in an extruder at 190°C and 18MPa;

[0045] (2)...

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PUM

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Abstract

The invention discloses a microcapsule type flame retardant and a preparation method thereof. The flame retardant comprises the following components in parts by weight: triaryl phosphate, a phenolic resin, aminomethyl phosphonic acid, a coupling agent, a flame-retardant synergist, cinnamate, coumarin ester, nano chitosan, gelatin, sodium alginate, a natural fiber, and the like. The preparation method of the microcapsule type flame retardant comprises the following steps: (1) mixing the triaryl phosphate and the phenolic resin according to a formula, stirring, further adding an anionic emulsifier, gulcomannan, the aminomethyl phosphonic acid, the coupling agent, the flame-retardant synergist and an antioxidant, continuously stirring, further adding a natural fiber, stirring, and performingextrusion; (2) mixing the nano chitosan, the gelatin and the sodium alginate, uniformly stirring, further adding baicalin, the cinnamate and the coumarin ester, and stirring; (3) mixing products of the step (1) and the step (2), thereby obtaining the microcapsule type flame retardant. The microcapsule type flame retardant disclosed by the invention is good in thermal stability, good in flame retardancy and small in environment damage.

Description

technical field [0001] The invention belongs to the field of flame retardant materials, and in particular relates to a microcapsule flame retardant and a preparation method thereof. Background technique [0002] Flame retardant science and technology is a science developed to meet the needs of social safety in production and life, prevent fires, and protect people's lives and property. Flame retardant is the application of flame retardant technology in real life. It is a special chemical additive used to improve the combustion performance of flammable and combustible materials. It is widely used in the flame retardant processing of various decoration materials. Materials processed with flame retardants can effectively prevent, delay or terminate the spread of flames when attacked by external fire sources, so as to achieve the effect of flame retardancy. Flame retardants can be used for fire protection of plastics, rubber, fibers, wood, paper products, coatings, adhesives an...

Claims

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Application Information

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IPC IPC(8): C08L1/02C08L5/04C08L89/00C08L5/08C08L61/06C08L5/02C08K13/02C08K5/526C08K3/36C08K5/098C08K5/523C08K3/38B01J13/06
Inventor 陈宝书赵天宝李正秋廖力
Owner XIHUA UNIV
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