Invention Grant
US08444818B2 Stable and aqueous compositions of polyvinylamines with cationic starch, and utility for papermaking
有权
具有阳离子淀粉的聚乙烯胺的稳定和含水组合物，以及造纸用途
- Patent Title: Stable and aqueous compositions of polyvinylamines with cationic starch, and utility for papermaking
- Patent Title (中): 具有阳离子淀粉的聚乙烯胺的稳定和含水组合物，以及造纸用途
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Application No.: US13081763Application Date: 2011-04-07
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Publication No.: US08444818B2Publication Date: 2013-05-21
- Inventor: Frank J. Sutman , Christopher P. Dilkus , Qu-Ming Gu
- Applicant: Frank J. Sutman , Christopher P. Dilkus , Qu-Ming Gu
- 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: D21H17/28
- IPC: D21H17/28 ; D21H17/45 ; D21H21/02 ; D21H21/10 ; D21H21/18 ; C08L3/04
Abstract:
A stable aqueous composition comprising polyvinylamine and liquid cationic starch in a ratio of from 90 to 55 parts of polyvinylamine on active basis to 10 to 45 parts of liquid cationic starch on active basis is disclosed. The composition can be used in papermaking as a strength or as a drainage aid.
Public/Granted literature
- US20110247775A1 Stable and Aqueous Compositions of Polyvinylamines with Cationic Starch, and Utility for Papermaking Public/Granted day:2011-10-13
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