A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Bulk polymerization powder super-early-strength polycarboxylate-type water reducer and preparation method thereof
The invention relates to a bulk polymerization powder super-early-strength type polycarboxylate-type water reducer. The bulk polymerization powder super-early-strength type polycarboxylate-type waterreducer is characterized by being prepared from the following raw material components: an unsaturated polyoxyethylene polyoxypropylene block amine ether, a polyethylene glycol monomethyl ether ester,an unsaturated monocarboxylic acid, an amino unsaturated acid ester, an acrylamide monomer, an alcohol amine early strength agent, a thiocyanate early strength agent, an oxidizing agent and a chain transfer agent; wherein the polyethylene glycol monomethyl ether ester is an esterification product obtained by reacting polyethylene glycol monomethyl ether with an unsaturated monocarboxylic acid under an acidic condition; the amino unsaturated acid ester is an esterification product of an unsaturated monocarboxylic acid and N, N-dialkylethanolamine. The invention further relates to a preparationmethod and application of the super-early-strength type polycarboxylate-type water reducer. The bulk polymerization powder super-early-strength polycarboxylate-type water reducer can promote hydrationof cement, does not contain any active reinforcing admixture, and has remarkable economic benefits, social benefits and environmental benefits; and the preparation process is simple and convenient tooperate.
本申请涉及一种本体聚合粉体超早强型聚羧酸系减水剂，其特征在于，其由下述原料组分制成：不饱和聚氧乙烯聚氧丙烯嵌段胺醚、聚乙二醇单甲醚酯化物、不饱和一元羧酸、氨基不饱和酸酯、丙烯酰胺类单体、醇胺类早强剂、硫氰酸盐类早强剂、氧化剂、链转移剂；所述聚乙二醇单甲醚酯化物为聚乙二醇单甲醚与不饱和一元羧酸在酸性条件下反应得到的酯化产物；所述氨基不饱和酸酯为不饱和一元羧酸与N,N‑二烷基乙醇胺的酯化产物。本申请还涉及超早强型聚羧酸系减水剂的制备方法及其应用。本申请的本体聚合粉体超早强型聚羧酸系减水剂促进了水泥水化，不添加任何活性增强掺合料，具有显著的经济效益、社会效益和环境效益；且制备工艺简单，操作方便。
Bulk polymerization powder super-early-strength polycarboxylate-type water reducer and preparation method thereof
The invention relates to a bulk polymerization powder super-early-strength type polycarboxylate-type water reducer. The bulk polymerization powder super-early-strength type polycarboxylate-type waterreducer is characterized by being prepared from the following raw material components: an unsaturated polyoxyethylene polyoxypropylene block amine ether, a polyethylene glycol monomethyl ether ester,an unsaturated monocarboxylic acid, an amino unsaturated acid ester, an acrylamide monomer, an alcohol amine early strength agent, a thiocyanate early strength agent, an oxidizing agent and a chain transfer agent; wherein the polyethylene glycol monomethyl ether ester is an esterification product obtained by reacting polyethylene glycol monomethyl ether with an unsaturated monocarboxylic acid under an acidic condition; the amino unsaturated acid ester is an esterification product of an unsaturated monocarboxylic acid and N, N-dialkylethanolamine. The invention further relates to a preparationmethod and application of the super-early-strength type polycarboxylate-type water reducer. The bulk polymerization powder super-early-strength polycarboxylate-type water reducer can promote hydrationof cement, does not contain any active reinforcing admixture, and has remarkable economic benefits, social benefits and environmental benefits; and the preparation process is simple and convenient tooperate.
本申请涉及一种本体聚合粉体超早强型聚羧酸系减水剂，其特征在于，其由下述原料组分制成：不饱和聚氧乙烯聚氧丙烯嵌段胺醚、聚乙二醇单甲醚酯化物、不饱和一元羧酸、氨基不饱和酸酯、丙烯酰胺类单体、醇胺类早强剂、硫氰酸盐类早强剂、氧化剂、链转移剂；所述聚乙二醇单甲醚酯化物为聚乙二醇单甲醚与不饱和一元羧酸在酸性条件下反应得到的酯化产物；所述氨基不饱和酸酯为不饱和一元羧酸与N,N‑二烷基乙醇胺的酯化产物。本申请还涉及超早强型聚羧酸系减水剂的制备方法及其应用。本申请的本体聚合粉体超早强型聚羧酸系减水剂促进了水泥水化，不添加任何活性增强掺合料，具有显著的经济效益、社会效益和环境效益；且制备工艺简单，操作方便。
Bulk polymerization powder super-early-strength polycarboxylate-type water reducer and preparation method thereof
一种本体聚合粉体超早强型聚羧酸系减水剂及其制备方法
JI JINWEI (author) / LUO QIONG (author) / WANG YIHUI (author) / ZHAI LIJIE (author) / DONG JIANGUO (author)
2020-04-17
Patent
Electronic Resource
Chinese
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