巴斯夫混凝土聚羧酸系减水剂专利技术综述

摘  要：减水剂是混凝土必要的外加剂之一，聚羧酸系减水剂是目前应用最为广泛的减水剂类型。针对聚羧酸系减水剂领域重点企业——德国巴斯夫公司专利进行检索和分析，明确其重点布局主题，并进一步进行技术梳理，理清其关键技术，以探讨该公司技术研发思路和专利布局策略。

关键词：聚羧酸系减水剂;巴斯夫;专利技术;喷雾;聚醚侧链结构

中图分类号：TU528.042.2       文献标志码：A          文章编号：2095-2945（2022）24-0010-04

Abstract： Superplasticizer is one of the necessary admixtures for concrete， and polycarboxylate superplasticizer is the most widely used type of superplasticizer at present. This paper searches and analyzes the patent of BASF， which is a key enterprise in the field of polycarboxylate superplasticizer， defines its key layout theme， further combs its technology and clarifies its key technology， in order to explore the company's technology research and development ideas and patent layout strategy.

Keywords： polycarboxylate superplasticizer; BASF; patent technology; spray; polycarboxylate side chain structure

减水剂，也称“超塑化剂”[1]，其作用在于使水泥颗粒分散均匀，同时将水泥颗粒包裹的水分释放出来，从而明显减少混凝土用水量。（剩余6262字）