Resin-based composite material additive type flame retardant, flame-retarding composite material and preparation methods thereof

A flame-retardant composite material and technology of composite materials, applied in the field of composite materials, can solve the problems of reducing the physical and mechanical properties of products, increasing the viscosity of the resin system, and using a large amount of flame retardants, and achieving excellent physical and mechanical properties, process properties, and performance. Stable, good flame retardant effect

Inactive Publication Date: 2011-06-15
NAT UNIV OF DEFENSE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The first reactive flame retardant method has better product transparency and physical and mechanical properties, but the manufacturing process is more complicated and the cost is higher; the second halogenated (or bromination) or the method of introducing phosphorus, nitrogen and other flame retardant elements is not widely used at present; the third additive flame retardant method is widely used because of its simple process, low cost and good flame r

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] An additive flame retardant for resin-based composite materials of the present invention, which is compounded from the following components: 50 parts by mass of aluminum hydroxide (Al(OH) 3 ) and 12 parts by mass of dimethyl methylphosphonate (DMMP). Among them: aluminum hydroxide is a powder with a particle size of 1 μm to 2 μm.

[0028] A flame-retardant composite material of the present invention, which is mainly prepared from JN 9001 unsaturated polyester resin matrix, glass fiber reinforcement, curing agent methyl ethyl ketone peroxide, accelerator cobalt naphthenate and the above-mentioned flame retardant Formed, wherein the amount ratio of resin matrix and flame retardant is 100:62.

[0029] The flame retardant composite material of this embodiment is specifically prepared through the following steps:

[0030] (1) Preparation materials: prepare 100 parts by mass of JN 9001 unsaturated polyester resin matrix (Wuxi Jiunai Anticorrosion Material Co., Ltd.) and 62 ...

Embodiment 2

[0037] An additive flame retardant for resin-based composite materials of the present invention, which is compounded from the following components: 35 parts by mass of aluminum hydroxide (Al(OH) 3 ) and 8 parts by mass of dimethyl methylphosphonate (DMMP). Among them: aluminum hydroxide is a powder with a particle size of 1 μm to 2 μm.

[0038] A flame-retardant composite material of the present invention, which is mainly prepared from LT-5078A epoxy resin matrix, glass fiber reinforcement, curing agent LT-5078B-2 and the above-mentioned flame retardant, wherein the resin matrix The dosage ratio of flame retardant and flame retardant is 100:43.

[0039] The flame retardant composite material of this embodiment is specifically prepared through the following steps:

[0040] (1) Preparation materials: Prepare 100 parts by mass of LT-5078A epoxy resin matrix (purchased from Shanghai Huizhan Electronics Co., Ltd.) and 43 parts by mass of flame retardant, of which 43 parts by mass...

Embodiment 3

[0047] An additive flame retardant for resin-based composite materials of the present invention, which is compounded from the following components: 40 parts by mass of aluminum hydroxide (Al(OH) 3 ), 10 parts by mass of microencapsulated red phosphorus (MRP) and 2 parts by mass of dimethyl methylphosphonate (DMMP). Among them: aluminum hydroxide is a powder with a particle size of 1 μm to 2 μm; the content of red phosphorus in microencapsulated red phosphorus is more than 80%, and it is a powder with a particle size of more than 800 mesh.

[0048] A flame-retardant composite material of the present invention, the flame-retardant composite material is mainly composed of TC epoxy resin matrix (self-made mixed epoxy resin system, composed of multifunctional epoxy resin TDE85 (Tianjin Jingdong Chemical Co., Ltd.) and bisphenol A Type epoxy resin CYD128 (Yuehua Company) mixed according to the mass ratio of 2:1), glass fiber reinforced material, curing agent 70 anhydride, accelerato...

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Abstract

The invention discloses a resin-based composite material additive type flame retardant, which is prepared by mixing 30 to 50 parts of aluminium hydroxide, 0 to 20 parts of microcapsulated red phosphorus and 1 to 20 parts of dimethylmethylphosphonate. The invention also discloses a flame-retarding composite material, which is prepared mainly from a resin substrate, a reinforcing material, a curing agent and the flame retardant, wherein the ratio of the resin substrate to the flame retardant is 100:(31-80). The preparation method of the flame-retarding composite material comprises the following steps: preparing materials; adding the flame retardant; adding assistant; and forming by solidification. The flame retardant and the flame-retarding composite material have the advantages of low cost, simplicity of preparation, convenience for use, high flame retarding effect and the like.

Description

technical field [0001] The invention relates to the field of composite materials, in particular to an additive flame retardant for composite materials, a flame-retardant composite material and a preparation method thereof. Background technique [0002] Compared with traditional materials, composite materials have the advantages of strong designability, high comprehensive performance and diversified functions, and have become indispensable basic materials for the development of modern industry, national defense and science and technology. As an important part of composite materials, resin-based composite materials are more and more widely used, and their safety requirements are also getting higher and higher. Among them, the improvement of the flame retardancy of resin-based composite materials has become one of the important directions of research on resin-based composite materials. [0003] Resin-based composite materials are generally composed of a reinforcement phase and...

Claims

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Application Information

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IPC IPC(8): C08K5/5333C08K3/22C08K3/02C08L67/06C08L63/00C08K9/10C08K7/14
Inventor 刘钧肖加余于涛曾竟成蒋彩邢素丽
Owner NAT UNIV OF DEFENSE TECH
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