A high-efficiency and environmentally friendly composite water reducer
A water-reducing agent and composite technology, applied in the field of concrete, can solve the problem of not very long time, and achieve the effects of low air content, high water reduction rate and cost reduction.
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Embodiment 1
[0021] In the embodiment of the present invention, a high-efficiency and environment-friendly composite water reducer, the raw materials in parts by weight include: 100 parts of polycarboxylate water reducer, 8 parts of rust inhibitor, 1 part of defoamer, 5 parts of antifreeze, 22 parts of initiator and 300 parts of water; when preparing, add polycarboxylate water reducer and water into the reactor, and raise the temperature to 55°C and stir for 30 minutes; then raise the temperature to 90°C, add defoamer and initiator, and stir for 2 hours ; Cool down to 45°C, add rust inhibitor and antifreeze, and stir for 0.6h.
Embodiment 2
[0023] In the embodiment of the present invention, a high-efficiency and environment-friendly composite water reducer, the raw materials in parts by weight include: 120 parts of polycarboxylate water reducer, 15 parts of rust inhibitor, 5 parts of defoamer, 16 parts of antifreeze, 35 parts of initiator, 350 parts of water; when preparing, add polycarboxylate water reducer and water into the reactor, and raise the temperature to 55°C and stir for 45 minutes; then raise the temperature to 90°C, add defoamer and initiator, and stir for 3 hours ; Cool down to 45°C, add rust inhibitor and antifreeze, and stir for 0.8h.
Embodiment 3
[0025] In the embodiment of the present invention, a high-efficiency and environment-friendly composite water reducer, the raw materials in parts by weight include: 113 parts of polycarboxylate water reducer, 12 parts of rust inhibitor, 4 parts of defoamer, 11 parts of antifreeze, 29 parts of initiator, 330 parts of water. During preparation, add polycarboxylate water reducer and water to the reaction kettle, and heat up to 55°C and stir for 35 minutes; then heat up to 90°C, add defoamer and initiator, and stir for 2.3 hours; cool down to 45°C, add resistance Rust agent, antifreeze, stir for 0.65h.
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