Invention Grant
US08696869B2 Surface application of polymers and polymer mixtures to improve paper strength
有权
聚合物和聚合物混合物的表面应用以提高纸张强度
- Patent Title: Surface application of polymers and polymer mixtures to improve paper strength
- Patent Title (中): 聚合物和聚合物混合物的表面应用以提高纸张强度
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Application No.: US12940197Application Date: 2010-11-05
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Publication No.: US08696869B2Publication Date: 2014-04-15
- Inventor: Sachin Borkar , Marc C. Putnam
- Applicant: Sachin Borkar , Marc C. Putnam
- Applicant Address: US DE Wilmington
- Assignee: Hercules Incorporated
- Current Assignee: Hercules Incorporated
- Current Assignee Address: US DE Wilmington
- Agent Michael J. Herman; Joanne Rossi; Shaorong Chen
- Main IPC: C08L3/00
- IPC: C08L3/00 ; C08L3/02 ; D21H21/10 ; D21H17/28 ; D21H21/00 ; D21H21/18 ; C08L33/26
Abstract:
Stable, coating compositions useful for enhancing the dry strength of paper are disclosed. The compositions comprise an aqueous solution of nearly neutral polymer, cationic polymer and starch. Method of using the coating composition to improve the dry strength of paper is also disclosed.
Public/Granted literature
- US20110112224A1 Surface Application of Polymers and Polymer Mixtures to Improve Paper Strength Public/Granted day:2011-05-12
Information query
