发明授权
- 专利标题: Water-absorbing polymer particles with thermoplastic coating
- 专利标题(中): 具有热塑性涂层的吸水聚合物颗粒
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申请号: US12882594申请日: 2010-09-15
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公开(公告)号: US08288002B2公开(公告)日: 2012-10-16
- 发明人: Frank Loeker , Heinz Bremus , Scott Smith
- 申请人: Frank Loeker , Heinz Bremus , Scott Smith
- 申请人地址: DE Krefeld
- 专利权人: Evonik Stockhausen GmbH
- 当前专利权人: Evonik Stockhausen GmbH
- 当前专利权人地址: DE Krefeld
- 代理机构: Smith Moore Leatherwood LLP
- 代理商 Philip P. McCann
- 优先权: DE10334286 20030725
- 主分类号: C08G65/329
- IPC分类号: C08G65/329 ; B32B5/30 ; B32B27/30 ; B32B7/12
摘要:
A process for producing and a powdery water-absorbing polymers comprising: about 0.01 to 20 wt. % of a fine particle with a particle size of less than about 200 μm; about 0.001 to 10 wt. % of a thermoplastic adhesive; and about 60 to 99.998 wt. % of a water-absorbing polymer particle with a particle size of about 200 μm and above, wherein the powdery water-absorbing polymers have: a flow value (FFC) within the range from about 1 to 13, and/or a dust portion of at most about 6 are disclosed. Also disclosed are a transport process, a composite, chemical products, and a use of a thermoplastic adhesive.
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