Foaming cement polyurethane foam composite heat preservation plate stable in pore

Abstract

The invention discloses a foaming cement polyurethane foam composite heat preservation plate stable in pore. The foaming cement polyurethane foam composite heat preservation plate comprises, by weight, 3-4 parts of waste cotton jute fiber, 1-1.2 parts of chlorinated paraffin, 0.3-0.34 part of fatty alcohol-polyoxyethylene ether, 45-50 parts of super fine Portland cement, 3.5-4 parts of hydrogen peroxide with the concentration being 30wt%, 3-3.5 parts of gypsum powder, 2-3 parts of stearic acid, 2.5-3 parts of aluminum sulfate, 1.6-1.8 parts of organic silicon emulsion, 0.9-1.2 parts of polyacrylic acid, 3-4 parts of carboxymethylcellulose, 2-3 parts of light calcium carbonate, 1.3-1.5 parts of gelatin, an appropriate amount of deionized water, 75-80 parts of polyoxypropylene polyol, 23-25 parts of isocyanate, 2.2-2.4 parts of pentamethyl diethyl triamine, 10-12 parts of n-pentane, 1.5-2 parts of simethicone and 8-10 parts of high poly ammonium phosphate. The foaming cement polyurethane foam composite heat preservation plate is low in heat conductivity coefficient, good in heat preservation performance, excellent in fireproof performance and long in service life.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a foamed cement polyurethane foam composite insulation board with stable pores. Background technique [0002] The implementation of building energy-saving policies and building fire protection regulations has promoted the rapid development of wall insulation materials. Polyurethane rigid foam board, polystyrene foam board, phenolic foam board and other organic insulation materials have been widely used in building insulation projects because of their excellent thermal insulation performance. The fatal weakness of polyurethane foam is its combustion performance, which is easy to be ignited and releases harmful gases during combustion. Even the addition of flame retardants cannot fundamentally change this property, and the highest combustion level of polyurethane foam boards for construction can only be B1. Inorganic insulation materials such as foamed cement insulatio...

AI Technical Summary

Problems solved by technology

The composite insulation board made has good fire resistance, and the thickness is small, the overall density of the composite board is low, which reduces the energy consumption in the production process, environmental protection and energy saving; but because the foamed cement layer is located outside the insulation board, it is light and porous The characteristics make it have high water absorption, the higher the moisture content, the worse the insulation and the lower the strength, which limits the application of composite insulation boards, which need to be modified