(1) polymer beneficial cement
Polymer beneficial cement refers to a single-component, multifunctional, odorless and nontoxic polymer waterproof material, which is made by mixing cement, dry fine sand and various resin powders evenly in the factory and adding water to stir at the construction site.
Waterproof raw materials: the internal pores of polymer mastic are spherical or nearly spherical closed pores, which will not form connected capillary channels, and have good impermeability, which can effectively prevent moisture from entering the structural layer or cement mortar leveling layer.
Polymer cement can be divided into two types, namely, adhesive type and waterproof type. Adhesive type is characterized by strong adhesion and good water retention, which can be applied to sticking decorative tiles, marble and other decorative surfaces, and can effectively prevent moisture from entering the structural layer or cement mortar leveling layer, and prevent alkali returning and white spitting caused by cement hydration. Waterproof polymer cement has strong impermeability, strong adhesion and good waterproof effect.
Polymer Yili adhesive is suitable for sticking various tiles and plates in waterproof and seepage-proof decoration works of internal and external walls, floors, basements, swimming pools, toilets, bathrooms and reservoirs.
(2) acrylate * * * poly emulsion waterproof mortar
Acrylate emulsion waterproof mortar is a rigid waterproof material made by adding acrylate emulsion into cement mortar. Acrylic mortar for short. Acrylate emulsion has good water-reducing performance, and mixing it into cement mortar can greatly improve the workability of mortar. Under the same fluidity, the cement mortar mixed with acrylate emulsion reduces water by 35% ~ 43% compared with the cement mortar without emulsion. Waterproof mortar has high crack resistance, such as adding 12% latex to the mortar, the shrinkage deformation is small, the ultimate elongation is increased by more than 1 times, and the crack resistance coefficient is increased by more than 50 times; The bond strength of mortar can be increased by more than 1 time; Its impermeability can be improved by 65438 0.5 times.
(3) Silicone waterproof mortar
Silicone waterproof mortar is a rigid waterproof material mixed with silicone waterproof agent in cement mortar.
Silicone waterproofing agent is a kind of waterproofing agent, which uses sodium silanol or high boiling sodium silanol as the base material to produce siloxane, which is further condensed into polymer reticular resin mold under the action of water and carbon dioxide. Silicone waterproof agent works well. It can be mixed with cement mortar to form silicone waterproof mortar, and can also be directly sprayed on the surface of buildings to form waterproof layer. Small molecular silicone polymer in silicone waterproofing agent is decomposed into silicic acid by carbon dioxide in the air, and quickly polymerized into water-insoluble polysiloxane waterproofing membrane, which has anti-seepage effect.
(4) Cationic neoprene latex waterproof mortar
Cationic neoprene latex waterproof mortar is a kind of waterproof polymer cement mortar, which is composed of cationic neoprene latex with cement content of 10%~20%, a certain proportion of cement and sand, a certain amount of stabilizer, defoamer and a proper amount of water.
Cationic neoprene latex waterproof mortar is evenly dispersed on the surface of aggregate in the material, and under certain temperature conditions, cross-linking is gradually completed, so that rubber, aggregate and cement form a rubber aggregate network film with each other, and the capillary channels in the material are closed, so that the mortar plays a waterproof and impermeable role.
Cationic neoprene latex waterproof mortar is suitable for waterproof layers of underground buildings and water storage facilities such as water tanks, pools and water towers, waterproof and moisture-proof layers of roofs and walls, and repairing cracks in buildings.
(5)EVA emulsion waterproof mortar
EVA emulsion mortar is a kind of waterproof mortar, which is made of an ethylene-vinyl acetate emulsion as the main agent, a certain amount of surfactant and stabilizer, and mixed with cement mortar.
EVA emulsion mortar has high compressive strength, flexural strength, tensile strength and bond strength, small shrinkage deformation and excellent crack resistance. The wear resistance, impermeability, frost resistance and carbonation resistance of this product are greatly improved, and its physical and mechanical properties are similar to those of acrylate emulsion mortar, and it is an ideal repair material with wide material sources, low cost and good durability.
(6) Epoxy resin waterproof mortar
Epoxy mortar is a kind of waterproof material which is composed of epoxy resin, curing agent, plasticizer, diluent and filler in a certain proportion. It is one of the earliest materials used to repair hydraulic concrete buildings. Now, modified epoxy repair materials such as wet underwater epoxy resin and elastic epoxy resin have been developed.
Epoxy mortar has the advantages of high strength, low elastic modulus and high ultimate tensile strength, but its thermal expansion coefficient is large, which will separate epoxy mortar from old concrete when the temperature changes sharply. Another disadvantage is that the material is easy to age, and it is suitable for repairing parts with small temperature change and difficult sun exposure.