Fire-resistant hard foamed polyurethane composite board and fire protection strip preparation method

A technology of rigid polyurethane foam and fireproof isolation belt, which is applied in the direction of polyurea/polyurethane adhesive, fire prevention, chemical instruments and methods, etc., can solve the problems that the thermal insulation wall does not have fire resistance ability, troublesome construction, etc. Excellent stability, easy construction and simple manufacturing process

Active Publication Date: 2008-07-09
烟台同化防水保温工程有限公司
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AI Technical Summary

Problems solved by technology

This kind of thermal insulation system has the following defects: first, the construction is more troublesome; second, because the fire-resistant coating is only applied along the window casing, the thermal insulation wall itself does not have the fire-resistant ability

Method used

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  • Fire-resistant hard foamed polyurethane composite board and fire protection strip preparation method

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples of specific implementation.

[0020] 1. The production method of the fire-resistant rigid polyurethane foam composite board is as follows: first, the fire-resistant polymer sheet is prepared in advance, and the fire-resistant polymer sheet can be obtained by any of the following methods:

[0021] a. After mixing the inorganic powder and the flame-retardant adhesive 3:1 evenly, press the mixture with the flame-retardant non-woven fabric with a professional production line to make a flame-retardant polymer sheet.

[0022] b. Immerse the non-woven fabric in the flame-retardant adhesive, take out the non-woven fabric, scrape off the excess flame-retardant adhesive, flatten it, and dry it to form a flame-retardant polymer sheet.

[0023] c. Buy flame-retardant non-woven fabrics sold in the market

[0024] The flame retardant adhesive is prepared accordi...

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Abstract

The invention discloses a method to make fire retardant hard foam polyurethane composite plates and fire protection strips. Firstly, fire retardant polymeric sheets are made. While a polyurethane foaming machine is used to foam polyisocyanate and flame retardant premixed polyether polyol into hard foam polyurethane plates, the fire retardant polymeric sheets are compounded onto both sides of the hard foam polyurethane plates to make the fire retardant hard foam polyurethane composite plates. The method to make the fire protection strips is that polymer bonding adhesive cement is used to stick the fire retardant hard foam polyurethane composite plates on base wall; fire retardant polyurethane leveling slurry is applied on the surface layer of the fire retardant hard foam polyurethane composite plates for leveling; after the leveling layer is dried, a fire retardant finishing adhesive cement layer is applied on the leveling layer; a piece of inorganic grid cloth is laid on the fire retardant finishing adhesive cement layer; subsequently, the fire retardant finishing adhesive cement is used for leveling. The invention can effectively retard flame; the process is simple; the product is used conveniently. The fire protection strips can bring fireproof function to the complete wall with excellent fireproof effect.

Description

technical field [0001] The invention relates to a method for making a fire-resistant insulation board for building exterior walls, in particular to a method for making a fire-resistant rigid foam polyurethane composite board, and using the fire-resistant rigid foam polyurethane composite board to make a fire-resistant isolation belt Methods. Background technique [0002] In the prior art, a method for making an external insulation layer of an external wall of a building with an application number of 01123683.3 is disclosed. It is to paste the polystyrene insulation board on the wall with polymer mortar, and then scrape the insulation layer with polymer mortar. Spread glass fiber mesh cloth on its surface and scrape it again with polymer mortar. When the outer insulation layer of the building exterior wall made by this method is exposed to fire or high temperature, the insulation material (polystyrene insulation board) is likely to melt and flow, causing the fire to spread a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B37/15B32B5/20C09J175/08C08L71/00C09K21/00D06M15/70E04B1/94
Inventor 夏良强季广其
Owner 烟台同化防水保温工程有限公司
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