Cement-based mat for composite board and production process of cement-based mat
A production process and cement-based technology, applied in the field of cement-based thin felt for composite boards and its production process, can solve the problems of poor strength, low cohesive strength, easy delamination, etc. Increase the effect of mechanical riveting and improve the cohesive strength
Active Publication Date: 2022-01-07
安徽瑞联节能科技股份有限公司
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Abstract
The invention relates to a cement-based mat for a composite board. The cement-based mat comprises a glass fiber mat and slurry coating two sides of the glass fiber mat. The slurry is prepared from the following raw materials in parts by weight: 15-35 parts of cement, 10-20 parts of reinforced fibers, 10-25 parts of barium sulfate, 15-26 parts of an acrylic emulsion, 0.1-0.5 part of a thickening agent, 0.5-1 part of an anti-permeability agent and 10-20 parts of water. In the preparation process of the reinforced fiber, carboxyl of amic acid and hydroxyl on the surface of graphene oxide can be subjected to dehydration condensation to form a stable intercalation structure, the composite emulsion can form a film on the surface of the fiber, and the added graphene oxide forms convex particles, so that the roughness of the surface of the fiber is increased, the mechanical riveting effect between the fiber and the matrix can be increased, the cohesive strength is improved, and the problem that the fiber is easy to layer when encountering water due to too low bonding strength is solved.
Application Domain
Solid waste management
Technology Topic
Cohesive strengthCarboxylic group +10
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