Modified expansion water-stop mortar and preparation method thereof
A technology for expanding water-stopping and mortar, which is applied in the field of water-stopping mortar, can solve the problems of poor toughness, low ultimate tensile strength, and poor crack resistance of rigid water-stopping mortar, so as to improve construction performance, be beneficial to environmental protection, and improve flexibility. Effects of Sex and Elasticity
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Embodiment 1
[0028] Embodiment 1, this modified expansion waterproof mortar, its raw material composition and weight percentage ratio are as follows:
[0029] Sulphoaluminate cement 25%;
[0030] Quartz sand 60%;
[0031] Redispersible rubber powder 5%;
[0032] Cellulose ether 0.1%;
[0033] Calcium stearate 0.3%;
[0034] Composite light aggregate 9.6%;
[0035] The composite light aggregate is a mixture of waste polyurethane particles and rubber particles, and the weight ratio of the two is 10:90.
Embodiment 2
[0036] Embodiment 2, this modified expansion waterproof mortar, its raw material composition and weight percentage ratio are as follows:
[0037] Sulphoaluminate cement 30%;
[0038] Quartz sand 60%;
[0039] Redispersible rubber powder 4.6%;
[0040] Cellulose ether 0.1%;
[0041] Calcium stearate 0.3%;
[0042] Composite light aggregate 5%;
[0043] The composite light aggregate is a mixture of waste polyurethane particles and rubber particles, and the weight ratio of the two is 20:80.
Embodiment 3
[0044] Embodiment 3, this modified expansion waterproof mortar, its raw material composition and weight percentage ratio are as follows:
[0045] Sulphoaluminate cement 40%;
[0046] Quartz sand 46%;
[0047] Redispersible rubber powder 3.6%;
[0048] Cellulose ether 0.1%;
[0049] Calcium stearate 0.3%;
[0050] Composite light aggregate 10%;
[0051] The composite light aggregate is a mixture of waste polyurethane particles and rubber particles, and the weight ratio of the two is 20:80.
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