Cement-based polystyrene material and insulation board production process based thereon

Abstract

The invention discloses a cement-based polystyrene material, which comprises the following components: (1) according to a dry powder ratio (by mass percentage): 65-85 of portland cement; 10-25 of fly ash; 0.15-0.25 of polypropylene fiber; 0.2-0.4 of a concrete admixture; and 0.15-0.25 of an emulsion; and (2) the volume ratio of the dry powder to expanded polystyrene particles being 1:4-1:6. The production process for preparation of a composite insulation board based on the cement-based polystyrene material includes the steps of proportioning, stirring, molding transportation, curing and molding packaging, and a final product can be obtained thereby. The composite insulation board obtained on the basis of the formula and the preparation process has the advantages of high fire resistance, high thermal insulation, high strength, light weight, high bonding strength, and no toxicity or harm, etc.

Description

technical field [0001] The invention relates to the field of building energy-saving building materials, in particular to a cement-based polystyrene material and a production process for a thermal insulation board based on the material. Background technique [0002] The implementation of the important national policy of building energy conservation has created a huge market for the building insulation industry. With the development of energy-saving work, materials such as EPS and XPS have been widely used, but while they are widely used, fire accidents also occur frequently. There are many reasons for the fire, but the flammability of insulation materials such as EPS and XPS is an important reason. According to GB8624-1997 and GB8624-2006, materials such as EPS and XPS belong to Class B materials. Although their thermal insulation effect is good, their fire performance is poor and cannot meet the standard of Class A fire protection. At present, there are few sources of Clas...

AI Technical Summary

Problems solved by technology

According to GB8624-1997 and GB8624-2006, EPS, XPS and other materials belong to Class B materials. Although their thermal insulation effect is good, their fire performance is poor, which cannot meet the standard of Class A fire protection.

At present, there are few sources of A-grade materials, and the insulation effect is not good. It is difficult to meet the needs of building energy conservation. However, pure inorganic fireproof insulation materials are difficult to control on-site quality, high construction costs, and have the disadvantages of easy cracking, easy falling off, and high water absorption.