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Composite board

A technology of composite board and FRP layer, applied in the direction of adhesive type, adhesive additive, polyurea/polyurethane adhesive, etc., can solve the problems of low flame resistance level and affect the flame retardant properties of the board, and achieve the flame retardant level The effect of improving and improving the temperature resistance

Active Publication Date: 2020-04-28
江苏吉润住宅科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the flame resistance level of the existing resin adhesive layer is not high, which affects the flame retardant properties of the overall board, and needs to be further improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The FRP layer is made of water-soluble polyurethane and polymer flame retardant, and the mass ratio of the two is 10:45. Among them, the water-soluble polyurethane is mainly composed of toluene diisocyanate and 8% of the total mass of raw materials. It is made of phosphonic acid-based polyol and aluminum hydroxide accounting for 1.5% of the total mass of raw materials; the polymer flame retardant is the introduction of aryl bromide into the side group of the molecular chain of polyether polyol.

Embodiment 2

[0027] The FRP layer is made of water-soluble polyurethane and polymer flame retardant, and the mass ratio of the two is 25:60. Among them, the water-soluble polyurethane is mainly composed of isophorone diisocyanate, hexadiisocyanate It is made of methylene ester, polyol with carboxylic acid groups accounting for 20% of the total mass of raw materials and aluminum hydroxide and magnesium hydroxide accounting for 5% of the total mass of raw materials. The polymer flame retardant is polyether polyol molecule Siloxy groups are introduced into the side groups of the chain.

Embodiment 3

[0029] The FRP layer is made of water-soluble polyurethane and polymer flame retardant, and the mass ratio of the two is 40:85. Among them, the water-soluble polyurethane is mainly composed of 4,4'-dicyclohexylmethane diisocyanate, p-phenyl diisocyanate, p,p'-diphenyl diisocyanate, diethyl ethyl phosphonate, dimethyl propyl phosphonate, and 25% of the total mass of raw materials with carboxylic acid base, phosphate-based polyols, and titanium oxide and calcium carbonate accounting for 3% of the total mass of raw materials; the polymer flame retardant is the introduction of aromatic bromine and phosphate esters on the side groups of polyether polyol molecular chains.

[0030] The flame retardant grades of the products in the above examples are tested to meet the UL94; 2010, 20mm VERTICAL BURNINGTEST standard V-1 flame retardant characteristics; the halogen content of its combustion and the smoke generated during combustion meets the requirements of the European standard BSEN1458...

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PUM

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Abstract

The invention provides a composite board. The composite board comprises glass fiber reinforced plastic layers and honeycomb cores, the honeycomb cores are clamped between the two glass fiber reinforced plastic layers, or are wrapped by the glass fiber reinforced plastic layer; the glass fiber reinforced plastic layers are formed by curing at least one piece of glass fiber and an adhesive, the adhesive is mainly formed by compounding water-soluble polyurethane and a macromolecular flame retardant, and the macromolecular flame retardant comprises a derivative of one of aryl bromide, phosphate, siloxy or cyclic groups introduced to a side group of a polyether polyol molecular chain. According to the invention, the adhesive is modified, the water-soluble polyurethane and the polymer flame retardant are compounded, and a flame retardant group is introduced, so that the temperature resistance of the adhesive is improved, and the flame retardant grade of the whole composite board is improved.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to a composite plate. Background technique [0002] Honeycomb composite board is a new generation of industrially produced high-performance decorative materials. It is composed of honeycomb and fiber layers and resin adhesive. The field of kitchen and bathroom has been well applied. However, the flame resistance level of the existing resin adhesive layer is not high, which affects the flame retardant properties of the overall board, and needs to be further improved. Contents of the invention [0003] In view of the above, it is necessary to provide an improved composite sheet. [0004] The technical solution provided by the present invention is: a composite plate, including a glass fiber reinforced plastic layer and a honeycomb core, the honeycomb core is sandwiched between two layers of the glass fiber reinforced plastic layer, or wrapped inside the fiber glass fibe...

Claims

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Application Information

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IPC IPC(8): B32B9/00B32B9/04B32B17/04B32B17/06B32B3/12C09J175/04C09J11/08C09J11/04
CPCB32B9/005B32B9/047B32B5/02B32B3/12C09J175/04C09J11/08C09J11/04B32B2260/021B32B2260/046B32B2262/101B32B2307/3065C08K2003/2227C08L2201/02C08K2003/2224C08K2003/2241C08K2003/265C08L71/00C08K3/22C08K3/26
Inventor 丁友张朱拥军刘国华张佳佳王翌龙曹洋
Owner 江苏吉润住宅科技有限公司