专利名称：Copolymer comprising type A units derived from carboxylic acid monomers and type B
typec转dpunits derived from sulfonic acid monomers 发明人：オリゼ， セリーヌ,ウィルソン， デヴィッド
ジェームス,クラビエール， ジュリー,ヴァン グラ
ンベレン， エリク
申请号：JP2016564452
申请日：20150120
公开号：JP6581996B2
公开日：
20190925
专利内容由知识产权出版社提供
摘要：The present invention relates to a copolymer comprising units of type A deriving from carboxylic acid monomers and units of type B deriving from sulfonic acid monomers, said units of type A and B representing more than 80 mol % of the total moles of units in the copolymer, characterized in that it comprises at least: - one first block formed of at least 95 mol % of units of type A and having a degree of polymerization DP 1 comprised between 5 and 150; and - one second block formed of at least 95 mol % of units of type A and B with a molar ratio of units of type A to units of type B greater or equal to 1, wherein said units of type A and units of type B are statistically distributed, said second block having a degree of polymerization DP 2 such that DP 2 /DP 1 ‰¥ 1. It also relates to new detergent compositions comprising such a copolymer, and to the use of this copolymer in a detergent composition, especially an ADW composition, to prevent, limit or eliminate the filming phenomena.
申请人：ローディア オペレーションズ
地址：フランス国 パリ ７５００９ リュ デ クリシー ２５国籍：FR
代理人：園田・小林特許業務法人
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