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A platform for research: civil engineering, architecture and urbanism
Early-strength toughening type polycarboxylic acid dispersing agent and preparation method thereof
The invention relates to a cement admixture for oil well cement, and discloses an early-strength toughening polycarboxylic acid dispersant and a preparation method thereof. The dispersing agent is prepared by mixing and dispersing modified graphene oxide and a polycarboxylic acid dispersing agent in a mass ratio of 1: (10-100). The modified graphene oxide is prepared from triethanolamine and a graphene oxide aqueous solution in a mass ratio of 1: (10-100). The graphene oxide aqueous solution is formed by mixing and dispersing graphene oxide and water in a mass ratio of 1: (200-1000). According to the invention, the flowing property and early strength property of cement paste are improved, the toughness of set cement is improved, the air entraining effect of a polycarboxylic acid dispersing agent is effectively inhibited, and multiple effects are realized by one agent.
本发明涉及油井水泥用的水泥外加剂，公开了一种早强增韧型聚羧酸分散剂及其制备方法。所述分散剂是由改性氧化石墨烯和聚羧酸分散剂以质量比1：10～100混合分散制成。所述改性氧化石墨烯是由三乙醇胺和氧化石墨烯水溶液以质量比1：10～100制成。所述氧化石墨烯水溶液是由氧化石墨烯和水以质量比1：200～1000混合分散而成。本发明提高了水泥浆流动性能、早强性能、并提高了水泥石韧性，有效地抑制聚羧酸分散剂的引气作用，实现一剂多效。
Early-strength toughening type polycarboxylic acid dispersing agent and preparation method thereof
The invention relates to a cement admixture for oil well cement, and discloses an early-strength toughening polycarboxylic acid dispersant and a preparation method thereof. The dispersing agent is prepared by mixing and dispersing modified graphene oxide and a polycarboxylic acid dispersing agent in a mass ratio of 1: (10-100). The modified graphene oxide is prepared from triethanolamine and a graphene oxide aqueous solution in a mass ratio of 1: (10-100). The graphene oxide aqueous solution is formed by mixing and dispersing graphene oxide and water in a mass ratio of 1: (200-1000). According to the invention, the flowing property and early strength property of cement paste are improved, the toughness of set cement is improved, the air entraining effect of a polycarboxylic acid dispersing agent is effectively inhibited, and multiple effects are realized by one agent.
本发明涉及油井水泥用的水泥外加剂，公开了一种早强增韧型聚羧酸分散剂及其制备方法。所述分散剂是由改性氧化石墨烯和聚羧酸分散剂以质量比1：10～100混合分散制成。所述改性氧化石墨烯是由三乙醇胺和氧化石墨烯水溶液以质量比1：10～100制成。所述氧化石墨烯水溶液是由氧化石墨烯和水以质量比1：200～1000混合分散而成。本发明提高了水泥浆流动性能、早强性能、并提高了水泥石韧性，有效地抑制聚羧酸分散剂的引气作用，实现一剂多效。
Early-strength toughening type polycarboxylic acid dispersing agent and preparation method thereof
一种早强增韧型聚羧酸分散剂及其制备方法
JIANG ZHUOYING (author) / LIU QIANG (author) / WU JINCHENG (author) / WEN ZEQIN (author) / MAO JIANXIONG (author) / GOU CHAO (author) / ZHANG YUNHUA (author) / JIAO JIANFANG (author) / JIANG WUCAN (author) / TANG CHAO (author)
2023-12-12
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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