Polishing sheet
US6299521A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 24, 1996 |
| Grant date | Oct 9, 2001 |
| Priority date | — |
| Expiry date | Dec 24, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24D11/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The invention provides a polishing sheet comprising a support and an abrasive layer formed thereon with an adhesive layer interposed therebetween, characterized in that the adhesive layer is formed by a cured layer of a thermosetting and/or photo-curable curable adhesive composition based on at least one resin selected from the group consisting of PA1 (A) an ethylene-vinyl acetate copolymer, PA1 (B) a copolymer of ethylene, vinyl acetate, and an acrylate and/or methacrylate monomer, PA1 (C) a copolymer of ethylene, vinyl acetate, and maleic acid and/or maleic anhydride, PA1 (D) a copolymer of ethylene, an acrylate and/or methacrylate monomer, and maleic acid and/or maleic anhydride, and PA1 (E) an ionomer resin in the form of an ethylene-methacrylic acid copolymer whose molecules are bonded by a metal ion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.