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A platform for research: civil engineering, architecture and urbanism
Composite polycarboxylate superplasticizer and preparation method thereof
The invention relates to the technical field of building materials, and particularly provides a composite polycarboxylate superplasticizer and a preparation method thereof. The composite polycarboxylate superplasticizer provided by the invention at least comprise the following preparation raw materials in parts by weight: 300-400 parts of polyether macromonomer, 1-4 parts of ethylenediamine tetraacetic acid, 19-30 parts of small monomer, 0.3-3 parts of a silane coupling agent, 3-5 parts of an oxidant, 0.9-1.5 parts of a chain transfer agent, 0.8-2 parts of a reducing agent, 2-4 parts of a modified silane coupling agent and 300-500 parts of deionized water.
本发明涉及建筑材料技术领域，更具体地，本发明提供了一种复合聚羧酸减水剂及其制备方法。本发明第一方面提供一种复合聚羧酸减水剂，按重量份计，制备原料至少包括300～400份聚醚大单体、1～4份乙二胺四乙酸、19～30份小单体、0.3～3份硅烷偶联剂、3～5份氧化剂、0.9～1.5份链转移剂、0.8～2份还原剂、2～4份改性硅烷偶联剂、300～500份去离子水。
Composite polycarboxylate superplasticizer and preparation method thereof
The invention relates to the technical field of building materials, and particularly provides a composite polycarboxylate superplasticizer and a preparation method thereof. The composite polycarboxylate superplasticizer provided by the invention at least comprise the following preparation raw materials in parts by weight: 300-400 parts of polyether macromonomer, 1-4 parts of ethylenediamine tetraacetic acid, 19-30 parts of small monomer, 0.3-3 parts of a silane coupling agent, 3-5 parts of an oxidant, 0.9-1.5 parts of a chain transfer agent, 0.8-2 parts of a reducing agent, 2-4 parts of a modified silane coupling agent and 300-500 parts of deionized water.
本发明涉及建筑材料技术领域，更具体地，本发明提供了一种复合聚羧酸减水剂及其制备方法。本发明第一方面提供一种复合聚羧酸减水剂，按重量份计，制备原料至少包括300～400份聚醚大单体、1～4份乙二胺四乙酸、19～30份小单体、0.3～3份硅烷偶联剂、3～5份氧化剂、0.9～1.5份链转移剂、0.8～2份还原剂、2～4份改性硅烷偶联剂、300～500份去离子水。
Composite polycarboxylate superplasticizer and preparation method thereof
一种复合聚羧酸减水剂及其制备方法
YANG HAIHUA (author)
2020-06-09
Patent
Electronic Resource
Chinese
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