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Fiber-reinforced melamine resin foam sponge and preparation method thereof

A melamine resin, fiber-reinforced technology, used in the field of foam materials to achieve the effects of improved toughness and dimensional stability, enhanced compressive strength and elastic modulus, and high tensile and tear strength

Inactive Publication Date: 2017-05-31
郑州峰泰纳米材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a fiber-reinforced melamine resin foam sponge, which solves the problem of mechanical strength of the existing melamine resin foam sponge

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] This embodiment provides a fiber-reinforced melamine resin foam sponge, which is prepared from the following raw materials in parts by weight: 100 parts of melamine resin, 8 parts of foaming agent, 8 parts of stabilizer, 8 parts of curing agent, stabilizer 5 parts by weight of agent, 5 parts by weight of curing agent, and 5 parts by weight of reinforcing fiber.

[0025] Wherein, the reinforcing fiber is aramid pulp fiber, and the length of the aramid pulp fiber is 1-12 mm.

[0026] Wherein, the foaming agent is n-pentane, the emulsifier is sodium benzenesulfonate, the curing agent is formic acid, and the stabilizer is polysiloxane.

[0027] This embodiment also provides a method for preparing a fiber-reinforced melamine resin foam sponge, comprising the following steps:

[0028] (1) Mix melamine resin and reinforcing fiber evenly to form material A;

[0029] (2) Add foaming agent, stabilizer, curing agent, stabilizer and curing agent to material A at 30-40°C to form m...

Embodiment 2

[0032] This embodiment provides a fiber-reinforced melamine resin foam sponge, which is prepared from the following raw materials in parts by weight: 90 parts of melamine resin, 10 parts of foaming agent, 5 parts of stabilizer, 10 parts of curing agent, stabilizer 2 parts by weight of agent, 10 parts by weight of curing agent, and 1 part of reinforcing fiber.

[0033] Wherein, the reinforcing fiber is a carbon fiber precursor, and the length of the carbon fiber precursor is 1-12 mm.

[0034] Wherein, the foaming agent is n-hexane, the emulsifier is sodium dodecylbenzenesulfonate, the curing agent is acetic acid, and the stabilizer is organotin.

[0035] This embodiment also provides a method for preparing a fiber-reinforced melamine resin foam sponge, comprising the following steps:

[0036] (1) Mix melamine resin and reinforcing fiber evenly to form material A;

[0037] (2) Add foaming agent, stabilizer, curing agent, stabilizer and curing agent to material A at 30-40°C to ...

Embodiment 3

[0040] This embodiment provides a fiber-reinforced melamine resin foam sponge, which is prepared from the following raw materials in parts by weight: 110 parts of melamine resin, 5 parts of foaming agent, 10 parts of stabilizer, 2 parts of curing agent, stabilizer 10 parts by weight of agent, 20 parts by weight of curing agent, and 10 parts by weight of reinforcing fiber.

[0041] Wherein, the reinforcing fiber is a modified carbon fiber surface-coupled with a silane coupling agent, and the length of the modified carbon fiber surface-coupled with a silane coupling agent is 1-12 mm.

[0042] Wherein, the foaming agent is dichlorotetrafluoroethane, the emulsifier is OP-10, the curing agent is formic acid, and the stabilizer is organic antimony.

[0043] This embodiment also provides a method for preparing a fiber-reinforced melamine resin foam sponge, comprising the following steps:

[0044] (1) Mix melamine resin and reinforcing fiber evenly to form material A;

[0045] (2) A...

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Abstract

The invention discloses a fiber-reinforced melamine resin foam sponge and a preparation method thereof and belongs to the technical field of foam materials. The fiber-reinforced melamine resin foam sponge is prepared from the following raw materials in parts by weight: 90-110 parts of melamine resins, 5-10 parts of foaming agents, 5-10 parts of stabilizers, 2-10 parts of curing agents, 2-10 weight parts of stabilizers, 2-10 weight parts of curing agents and 1-10 parts of reinforced fibers. The invention further discloses the preparation method of the fiber-reinforced melamine resin foam sponge. After the fibers are added in the melamine resin foaming process, the cell size can be obviously reduced, the uniformity is improved, the compression strength and elasticity modulus are obviously enhanced, the toughness and dimensional stability are improved, and the fiber-reinforced melamine resin foam sponge still has excellent heat stability and flame-retardant property.

Description

technical field [0001] The invention relates to the technical field of foam materials, in particular to a fiber-reinforced melamine resin foam sponge. Background technique [0002] Melamine resin, also known as melamine-formaldehyde resin, is a polymer obtained by the reaction of melamine and formaldehyde. A cross-linking reaction occurs during processing and molding, and the product is an infusible thermosetting resin. It is customarily called amino resin together with urea-formaldehyde resin. [0003] Melamine resin foam sponge refers to the use of melamine resin to make melamine formaldehyde foam through foaming reaction. This foam is non-flammable, water-resistant, heat-resistant, aging-resistant, arc-resistant, chemical-resistant, and has good insulation properties and gloss. And mechanical strength, but also has a good sound-absorbing effect. Therefore, it is widely used in sound-absorbing and flame-retardant buildings, automobiles, aircraft carriers, submarines, etc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/28C08L71/10C08K9/06C08K7/06C08J9/14C08J5/04C08J5/06
CPCC08J5/042C08J5/046C08J5/06C08J9/141C08J9/147C08J2203/14C08J2203/144C08J2203/18C08J2361/28C08K7/06C08K9/06C08K2201/004C08L61/28C08L2201/02C08L2201/08C08L2203/14C08L2205/03C08L2205/16C08L71/10C08L83/04
Inventor 李洋洋
Owner 郑州峰泰纳米材料有限公司
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