巴斯夫混凝土聚羧酸系減水劑專利技術(shù)綜述

摘  要：減水劑是混凝土必要的外加劑之一，聚羧酸系減水劑是目前應用最為廣泛的減水劑類型。針對聚羧酸系減水劑領(lǐng)域重點企業(yè)——德國巴斯夫公司專利進行檢索和分析，明確其重點布局主題，并進一步進行技術(shù)梳理，理清其關(guān)鍵技術(shù)，以探討該公司技術(shù)研發(fā)思路和專利布局策略。

關(guān)鍵詞：聚羧酸系減水劑;巴斯夫;專利技術(shù);噴霧;聚醚側(cè)鏈結(jié)構(gòu)

中圖分類號：TU528.042.2       文獻標志碼：A          文章編號：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

減水劑，也稱“超塑化劑”[1]，其作用在于使水泥顆粒分散均勻，同時將水泥顆粒包裹的水分釋放出來，從而明顯減少混凝土用水量。（剩余6262字）