- 专利标题： Heat sealable coating with filler
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申请号： US16937098申请日： 2020-07-23
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公开(公告)号： US11255050B2公开(公告)日： 2022-02-22
- 发明人: Chitai C. Yang , Rahul Bhardwaj , Chester E. Alkiewicz
- 申请人： WestRock MWV, LLC
- 申请人地址： US GA Atlanta
- 专利权人： WestRock MWV, LLC
- 当前专利权人： WestRock MWV, LLC
- 当前专利权人地址： US GA Atlanta
- 代理商 Neil G. Cohen
- 主分类号： D21H27/10
- IPC分类号： D21H27/10 ; B32B27/08 ; B32B27/20 ; B32B27/32 ; D21H27/18 ; D21H19/22 ; D21H19/38 ; D21H19/82 ; B32B27/10 ; D21H19/20 ; D21H27/30 ; B32B29/00 ; B32B27/18 ; D21H19/58
摘要：
A coating for paperboard includes polyethylene outer layers and a polyethylene inner layer with calcium carbonate filler. In addition to the lower cost, benefits include a surprising better heat sealing behavior compared with a coating of polyethylene alone.
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