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Water-retaining polycarboxylic acid slump retaining agent and preparation method thereof
The invention relates to a water-retaining polycarboxylic acid slump retaining agent, which is prepared from the following raw materials in parts by weight: 300 to 400 parts of isopentenyl polyoxyethylene ether, 2 to 20 parts of unsaturated water-retaining functional monomer, 25 to 50 parts of unsaturated acid, 2 to 15 parts of unsaturated acid ester, 2 to 8 parts of oxidizing agent, 0.8 to 2.0 parts of chain transfer agent, 0.1 to 1.0 part of reducing agent, 300 to 760 parts of water and 5 to 20 parts of alkali liquor, the unsaturated water retention type functional monomer is prepared from the following raw materials in parts by weight: 20 to 30 parts of konjac glucomannan, 2 to 20 parts of maleic anhydride, 0.2 to 0.5 part of catalyst and 200 parts of water; the structural general formula of the konjac glucomannan is (C6H10O5) n, wherein n is 2-10. Under the synergistic effect of various groups, the water retention type polycarboxylic acid slump retaining agent prepared by the preparation method disclosed by the invention is excellent in water retention performance, high in dispersity, good in mud resistance and excellent in slump retaining and retarding functions.
本发明涉及一种保水型聚羧酸保坍剂，按重量份数计，包括以下原料：300～400份异戊烯基聚氧乙烯醚、2～20份不饱和保水型功能单体、25～50份不饱和酸、2～15份不饱和酸酯、2～8份氧化剂、0.8～2.0份链转移剂、0.1～1.0份还原剂、300～760份水、以及5～20份碱液；所述不饱和保水型功能单体的原料，按重量份数计，20～30份魔芋葡甘低聚糖、2～20份马来酸酐、0.2～0.5份催化剂、200份水；所述魔芋葡甘低聚糖的结构通式为(C6H10O5)n，n为2～10。在各种基团的协同作用下，本发明制备得到的保水型聚羧酸保坍剂的保水性能优异、分散性高、抗泥性能好、保坍、缓凝功能优越。
Water-retaining polycarboxylic acid slump retaining agent and preparation method thereof
The invention relates to a water-retaining polycarboxylic acid slump retaining agent, which is prepared from the following raw materials in parts by weight: 300 to 400 parts of isopentenyl polyoxyethylene ether, 2 to 20 parts of unsaturated water-retaining functional monomer, 25 to 50 parts of unsaturated acid, 2 to 15 parts of unsaturated acid ester, 2 to 8 parts of oxidizing agent, 0.8 to 2.0 parts of chain transfer agent, 0.1 to 1.0 part of reducing agent, 300 to 760 parts of water and 5 to 20 parts of alkali liquor, the unsaturated water retention type functional monomer is prepared from the following raw materials in parts by weight: 20 to 30 parts of konjac glucomannan, 2 to 20 parts of maleic anhydride, 0.2 to 0.5 part of catalyst and 200 parts of water; the structural general formula of the konjac glucomannan is (C6H10O5) n, wherein n is 2-10. Under the synergistic effect of various groups, the water retention type polycarboxylic acid slump retaining agent prepared by the preparation method disclosed by the invention is excellent in water retention performance, high in dispersity, good in mud resistance and excellent in slump retaining and retarding functions.
本发明涉及一种保水型聚羧酸保坍剂，按重量份数计，包括以下原料：300～400份异戊烯基聚氧乙烯醚、2～20份不饱和保水型功能单体、25～50份不饱和酸、2～15份不饱和酸酯、2～8份氧化剂、0.8～2.0份链转移剂、0.1～1.0份还原剂、300～760份水、以及5～20份碱液；所述不饱和保水型功能单体的原料，按重量份数计，20～30份魔芋葡甘低聚糖、2～20份马来酸酐、0.2～0.5份催化剂、200份水；所述魔芋葡甘低聚糖的结构通式为(C6H10O5)n，n为2～10。在各种基团的协同作用下，本发明制备得到的保水型聚羧酸保坍剂的保水性能优异、分散性高、抗泥性能好、保坍、缓凝功能优越。
Water-retaining polycarboxylic acid slump retaining agent and preparation method thereof
一种保水型聚羧酸保坍剂及其制备方法
ZHU YANJIAO (author) / XIONG HAONAN (author) / ZHU GEHONG (author) / SHEN CONGCONG (author) / JIANG ZHUOJUN (author) / ZHU QIAOYONG (author) / YAO XIAOYANG (author) / HUANG WENYAO (author) / HONG JIAN (author) / WU CHENGJUN (author)
2024-01-05
Patent
Electronic Resource
Chinese
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