Modified aliphatic water reducer containing waste residues in phenol production process
An aliphatic water-reducing agent and production process technology, which are applied in the field of building materials to achieve the effects of reducing costs, increasing the number of branched chains, and improving the slump effect.
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Embodiment 1
[0025] A modified aliphatic water reducer containing waste residues in the production process of phenols, characterized in that it comprises the following components by weight: 350 parts of water, 145 parts of sodium nitrite with a purity of 80%, and a concentration of 37 245 parts of formaldehyde, 62 parts of waste residues in the production process of phenols, and 98 parts of acetone.
[0026] The above-mentioned modified aliphatic water reducer containing waste residues in the production process of phenols, its synthesis method comprises the following steps:
[0027] (1) Take the raw materials of the above-mentioned parts by weight;
[0028] (2) Add water into the four-necked flask, add sodium nitrite while stirring, stir and mix evenly, put the waste residue in the phenol production process, continue to react for 30min, weigh acetone in the constant pressure funnel after the reaction , control the drop rate of acetone, after 25 minutes of dropping, stir and continue to re...
Embodiment 2
[0031] A modified aliphatic water reducer containing waste residues in the production process of phenols, characterized in that it comprises the following components by weight: 380 parts of water, 140 parts of sodium nitrite with a purity of 80%, and a concentration of 37 250 parts of formaldehyde, 65 parts of waste residues in the production process of phenols, and 95 parts of acetone.
[0032] The above-mentioned modified aliphatic water reducer containing waste residues in the production process of phenols, its synthesis method comprises the following steps:
[0033] (1) Take the raw materials of the above-mentioned parts by weight;
[0034] (2) Add water into the four-necked flask, add sodium nitrite while stirring, stir and mix evenly, put the waste residue in the phenol production process, continue to react for 30min, weigh acetone in the constant pressure funnel after the reaction , control the drop rate of acetone, after 22 minutes of dropping, stir and continue to re...
Embodiment 3
[0037] A modified aliphatic water reducer containing waste residues in the production process of phenols, characterized in that it comprises the following components by weight: 340 parts of water, 130 parts of sodium nitrite with a purity of 80%, and a concentration of 37 240 parts of formaldehyde, 60 parts of waste residues in the production process of phenols, and 90 parts of acetone.
[0038] The above-mentioned modified aliphatic water reducer containing waste residues in the production process of phenols, its synthesis method comprises the following steps:
[0039] (1) Take the raw materials of the above-mentioned parts by weight;
[0040] (2) Add water into the four-necked flask, add sodium nitrite while stirring, stir and mix evenly, put the waste residue in the phenol production process, continue to react for 30min, weigh acetone in the constant pressure funnel after the reaction , control the drop rate of acetone, after 28 minutes of dropping, stir and continue to re...
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