发明名称 |
METHOD FOR PRODUCING LAMINATED POLISHING PAD |
摘要 |
A method for producing a laminated polishing pad, which is free from warpage and does not cause peeling between a polishing layer and a cushion layer during polishing, includes the steps of: laminating a hot-melt adhesive sheet to a surface of a cushion layer with a base material in which a thermoplastic resin base material is provided peelably on one surface of the cushion layer, on which the thermoplastic resin base material is not provided; heating the laminated hot-melt adhesive sheet to be melted or softened; laminating a polishing layer on the melted or softened hot-melt adhesive to prepare a laminate; cutting the laminate to the size of the polishing layer to prepare a laminated polishing sheet; and peeling the thermoplastic resin base material from the laminated polishing sheet. |
申请公布号 |
US2015004879(A1) |
申请公布日期 |
2015.01.01 |
申请号 |
US201314370923 |
申请日期 |
2013.01.09 |
申请人 |
TOYO TIRE & RUBBER CO., LTD. |
发明人 |
Nakai Yoshiyuki |
分类号 |
B24D11/00;B24B37/22 |
主分类号 |
B24D11/00 |
代理机构 |
|
代理人 |
|
主权项 |
1. A method for producing a laminated polishing pad comprising the steps of:
laminating a hot-melt adhesive sheet to a surface of a cushion layer with a base material in which a thermoplastic resin base material is provided peelably on one surface of the cushion layer, on which the thermoplastic resin base material is not provided; heating the laminated hot-melt adhesive sheet to be melted or softened; laminating a polishing layer on the melted or softened hot-melt adhesive to prepare a laminate; cutting the laminate to the size of the polishing layer to prepare a laminated polishing sheet; and peeling the thermoplastic resin base material from the laminated polishing sheet. |
地址 |
Osaka-shi, Osaka JP |