Polymer mortar is a new kind of engineering in recent yearsNew building materialsIt is made by mixing cementitious materials and organic polymers that can be dispersed in water.It is widely used by people.
Polymer mortar is made by mixing cement, aggregate and organic polymer that can be dispersed in water.Polymers can be homopolymers polymerized by one monomer, or copolymers polymerized by two or more monomers.polymerFilm must be formed to cover the cement particles under environmental conditions, and make the cement body form a strong bond with the aggregate.The polymer network must have the ability to prevent the occurrence of micro cracks and prevent the expansion of cracks.[1]
component
Announce
edit
1. Cementitious materials: cement, gypsum, etc.
2. Polymer: It can be used in dispersing emulsion powder:Acrylate、Polyvinyl alcohol, styrene acrylate, etc
3. Admixtures: water retention, hydrophobic, thickening, thixotropic, air entrainment, defoaming, early setting, retarding, etc
2. High bonding strength, which can be integrated with the structure;
3. Strong corrosion resistance;
4. Good resistance to high humidity, aging and freezing;
5. The product is non-toxic and meets the environmental protection requirements.[1]
matters needing attention
Announce
edit
(1) The ambient temperature shall not be lower than 5 ℃ during the construction period and 24 hours after the construction, and construction in rainy season shall be avoided;
(2) The mixing water shall meet the construction water standard, and it is strictly prohibited to add any other materials;
(3) After the completion of construction, the maintenance and protection work shall be done to avoid bumping;
(4) If abnormal contact with the product causes discomfort to the body, please wash it with clean water in a timely manner, or seek medical advice in serious cases;
(5) The shelf life is 6 months. Pay attention to rain proof and damp proof during shipment, and keep dry during storage;
(6) The net weight of the product is 25kg ± 0.25kg.
standard
Announce
edit
Standard: Take waterproof mortar as an example, JC/T984-2005 Polymer Cement Waterproof Mortar
S/N
project
standard
Measured value
one
setting time
Initial setting/min ≥
forty-five
sixty
Final setting/h ≤
twelve
eight
two
Impermeable pressure
7d≥
one
one point four
28d≥
one point five
one point seven
three
compressive strength
28d≥
twenty-four
thirty-one point eight
four
Flexural strength
28d≥
eight
eight point five
five
Compression discount ratio ≤
three
three
six
Bond strength
7d≥
one
one point one
28d≥
one point two
one point five
seven
Alkali resistance: saturated Ca (OH) 2 solution, 168h