Invention Grant
US08287999B2 Absorbent structure with improved water-absorbing material comprising polyurethane, coalescing aid and antioxidant
有权
具有改进的吸水材料的吸收结构包括聚氨酯，聚结助剂和抗氧化剂
- Patent Title: Absorbent structure with improved water-absorbing material comprising polyurethane, coalescing aid and antioxidant
- Patent Title (中): 具有改进的吸水材料的吸收结构包括聚氨酯，聚结助剂和抗氧化剂
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Application No.: US11890090Application Date: 2007-08-03
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Publication No.: US08287999B2Publication Date: 2012-10-16
- Inventor: Mattias Schmidt , Axel Meyer , Renae Dianna Fossum , Jean-Philippe Marie Autran , Ulrich Riegel , Thomas Daniel , Stefan Bruhns , Mark Elliott , Karl Haeberle
- Applicant: Mattias Schmidt , Axel Meyer , Renae Dianna Fossum , Jean-Philippe Marie Autran , Ulrich Riegel , Thomas Daniel , Stefan Bruhns , Mark Elliott , Karl Haeberle
- Applicant Address: US OH Cincinnati
- Assignee: The Procter & Gamble Company
- Current Assignee: The Procter & Gamble Company
- Current Assignee Address: US OH Cincinnati
- Agent Kathleen Y. Carter; John G. Powell; Richard L. Alexander
- Main IPC: B32B5/16
- IPC: B32B5/16
Abstract:
The present invention relates to an absorbent structure suitable in, or being an adult or infant diaper or feminine hygiene article, comprising a water-absorbing material comprising water-absorbing particles that comprise a film coating, comprising an elastic film-forming polymer and an antioxidant.The invention also relates to an absorbent structure comprising a water absorbent material obtainable by a process of: a) spray-coating water-absorbing polymeric particles with an elastic film-forming polymer in a fluidized bed reactor at a temperature in the range from 0° C. to 150° C. and b) heat-treatment of the coated polymeric particles at a temperature above 50° C., wherein in step a) and/or b) an antioxidant is added.
Public/Granted literature
- US20080027402A1 Absorbent structure with improved water-absorbing material Public/Granted day:2008-01-31
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