- 专利标题： Process for the deinking of coated paper or paperboard
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申请号： US15760500申请日： 2016-10-10
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公开(公告)号： US10544544B2公开(公告)日： 2020-01-28
- 发明人: Patrick A. C. Gane , Samuel Rentsch , Matthias Welker , Catherine Jean Ridgway
- 申请人： Omya International AG
- 申请人地址： CH Oftringen
- 专利权人： OMYA INTERNATIONAL AG
- 当前专利权人： OMYA INTERNATIONAL AG
- 当前专利权人地址： CH Oftringen
- 代理机构： Heslin Rothenberg Farley & Mesiti P.C.
- 优先权： EP15189268 20151012
- 国际申请： PCT/EP2016/074129 WO 20161010
- 国际公布： WO2017/063971 WO 20170420
- 主分类号： D21C5/02
- IPC分类号： D21C5/02 ; D21H19/40 ; D21H19/52 ; D21H19/54 ; D21H19/44
摘要：
A process for the deinking of a coated paper or paperboard is disclosed, the process comprises a step of providing a coating layer comprising a calcium- or magnesium-exchanged clay which is deposited on the paper or paperboard before the ink layer. In a further step said calcium- or magnesium-exchanged clay is activated and the paper is subsequently treated with water.
公开/授权文献
- US20180258586A1 PROCESS FOR THE DEINKING OF COATED PAPER OR PAPERBOARD 公开/授权日：2018-09-13
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