Invention Grant
- Patent Title: Retention and drainage in the manufacture of paper
- Patent Title (中): 纸张的制造中的保留和排水
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Application No.: US13551202Application Date: 2012-07-17
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Publication No.: US08932433B2Publication Date: 2015-01-13
- Inventor: Frank J. Sutman , John C. Harrington , Robert A Gelman
- Applicant: Frank J. Sutman , John C. Harrington , Robert A Gelman
- Applicant Address: CH
- Assignee: Solenis Technologies, L.P.
- Current Assignee: Solenis Technologies, L.P.
- Current Assignee Address: CH
- Agent Joanne Rossi; Michael J. Herman
- Main IPC: D21H17/43
- IPC: D21H17/43 ; D21H17/56 ; D21H17/68 ; D21H21/10 ; D21H23/00 ; C08L39/02 ; D21H17/37 ; D21H17/36
Abstract:
A method of improving retention and drainage in a papermaking process is disclosed. The addition of an associative polymer, a poly(vinylamine) and optionally a siliceous material to the papermaking slurry to improve retention and drainage is disclosed. Additionally a method to improve retention and drainage comprising addition of an organic microparticle, a poly(vinylamine) and optionally a siliceous material to the papermaking slurry is disclosed. A composition comprising an associative polymer, and a poly(vinylamine) and optionally further comprising cellulose fiber is disclosed.
Public/Granted literature
- US20120291971A1 RETENTION AND DRAINAGE IN THE MANUFACTURE OF PAPER Public/Granted day:2012-11-22
Information query
