国内外混凝土引气剂专利文献分析研究

Analysis and research of air entraining agents of concrete in domestic and foreign patent documents

引气剂在解决混凝土和易性、抗冻性、抗渗性等耐久性方面发挥着重要作用。从引气剂定义和原理出发,对国内外混凝土引气剂专利进行了分析研究,综述了国内外引气剂专利的研究进展和引气剂对混凝土工作性、抗冻性与耐久性影响。有助于理解国内外引气剂发展状况,并进一步研发出新型高性能、功能型以及绿色环保型的引气剂。

Air entraining agent plays an indispensable role in solving the workability,freeze resistance and impermeability of concrete.Based on the definition and principle of air entraining agent,this paper analyzes and researches the domestic and foreign patents of the air entraining agents,and summarizes the research progress of domestic and foreign patents of air entraining agents and the effects of air entraining agent on workability,frost resistance and durability of concrete.It will help to understand the development of the domestic and foreign air entraining agents and further develop a new high performance,functional and environmental friendly air entraining agent.