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1.发明公开公开(公告)号：US20240254273A1
公开(公告)日：2024-08-01
申请号：US18564215
申请日：2022-05-27
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Joseph D. Rule , Jaimie E. Stomberg , Duy K. Lehuu , Jay M. Jennen , David P. Siglin
CPC classification number: C08G18/3851 , B24B37/24 , C09G1/00
Abstract: The present disclosure relates to polyurethanes comprising a reaction product of a reactive mixture including a polyol having a number average molecular weight of at least 400 Daltons, a diol chain extender having a molecular weight less than 400 Daltons, a diisocyanate; and a multifunctional amine. The present disclosure further provides polishing layers and polishing pads fabricated therefrom. Additionally, the present disclosure provides polishing systems and polishing methods employing said polishing layers and polishing pads.
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2.发明公开公开(公告)号：US20230383048A1
公开(公告)日：2023-11-30
申请号：US18250765
申请日：2021-11-02
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Joseph D. Rule , Duy K. Lehuu , Jaimie E. Stomberg , Jay M. Jennen
CPC classification number: C08G18/6655 , B24B37/24 , B24B37/26 , C08G18/3293 , C08G18/7671 , C08G18/4238 , C08G18/3206 , C08G18/10
Abstract: The present disclosure relates to polyurethane comprising a reaction product of a reactive mixture including a polyester polyol, a diol chain extender, a diisocyanate; and a reactive, tertiary amine. The present disclosure further provides polishing layers and polishing pads fabricated therefrom. Additionally, the present disclosure provides polishing systems and polishing methods employing said polishing layers and polishing pads.
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