- 专利标题: BARRIER COATING FOR PAPER AND PAPERBOARD
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申请号: PCT/IB2021/055399申请日: 2021-06-18
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公开(公告)号: WO2022003472A1公开(公告)日: 2022-01-06
- 发明人: GÄLLSTEDT, Mikael , WERNERSSON BRODIN, Fredrik , NYFLÖTT, Åsa
- 申请人: STORA ENSO OYJ
- 申请人地址: P.O. Box 309
- 专利权人: STORA ENSO OYJ
- 当前专利权人: STORA ENSO OYJ
- 当前专利权人地址: P.O. Box 309
- 代理机构: KLING, Susanna
- 优先权: SE2050800-8 2020-06-30
- 主分类号: C09D105/14
- IPC分类号: C09D105/14 ; B32B29/00 ; C08J5/18 ; C09D101/00 ; C09D103/00 ; D21H19/00
摘要:
The present invention relates to an aqueous barrier coating composition comprising: 50-99.9 % by weight of one or more anionic low molecular weight polysaccharide(s) having a degree of polymerization (DP) in the range of 2-12; 0.1-10 % by weight of a polycationic polymer; based on the total dry weight of the aqueous barrier coating composition.
IPC分类: