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1.发明申请LOW MOLECULAR WEIGHT PHOSPHORUS-CONTAINING POLYACRYLIC ACIDS AND USE THEREOF AS DISPERSANTS 有权低分子量含磷酸的聚丙烯酸及其作为分散剂的用途公开(公告)号：US20140080957A1
公开(公告)日：2014-03-20
申请号：US14084971
申请日：2013-11-20
Applicant: BASF SE
Inventor： Howard Roger DUNGWORTH , David Petty , Bolette Urtel , Ruth Wirschem
CPC classification number: C08L33/02 , C08F8/06 , C08F8/40 , C08F220/06 , C08F230/02 , C08K3/26 , C08F8/44
Abstract: An aqueous solution of an acrylic acid polymer which contains bound phosphonite groups is provided. The acrylic acid polymer is prepared by a feed operation polymerization which results in the formation of phosphinite groups bound within the acrylic acid polymer chain. The dried acrylic acid polymer is also provided. Dispersions of inorganic pigments prepared in the presence of the acrylic acid polymer or the aqueous solution of the acrylic acid polymer are also provided.
Abstract translation: 提供含有结合的亚膦酸酯基团的丙烯酸聚合物的水溶液。 通过进料操作聚合制备丙烯酸聚合物，其导致在丙烯酸聚合物链中结合的亚磷酸基团的形成。 还提供干燥的丙烯酸聚合物。 还提供了在丙烯酸聚合物或丙烯酸聚合物的水溶液存在下制备的无机颜料的分散体。
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2.发明授权Low molecular weight phosphorus-containing polyacrylic acids and use thereof as dispersants 有权低分子量含磷聚丙烯酸及其作为分散剂的用途公开(公告)号：US09238732B2
公开(公告)日：2016-01-19
申请号：US14084971
申请日：2013-11-20
Applicant: BASF SE
Inventor： Howard Roger Dungworth , David Petty , Bolette Urtel , Ruth Wirschem
IPC: C08L33/02 , C08K3/26 , C08F220/06 , C08F8/06 , C08F8/40 , C08F230/02
CPC classification number: C08L33/02 , C08F8/06 , C08F8/40 , C08F220/06 , C08F230/02 , C08K3/26 , C08F8/44
Abstract: An aqueous solution of an acrylic acid polymer which contains bound phosphonite groups is provided. The acrylic acid polymer is prepared by a feed operation polymerization which results in the formation of phosphinite groups bound within the acrylic acid polymer chain. The dried acrylic acid polymer is also provided. Dispersions of inorganic pigments prepared in the presence of the acrylic acid polymer or the aqueous solution of the acrylic acid polymer are also provided.
Abstract translation: 提供含有结合的亚膦酸酯基团的丙烯酸聚合物的水溶液。 通过进料操作聚合制备丙烯酸聚合物，其导致在丙烯酸聚合物链中结合的亚磷酸基团的形成。 还提供干燥的丙烯酸聚合物。 还提供了在丙烯酸聚合物或丙烯酸聚合物的水溶液存在下制备的无机颜料的分散体。
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