Use of synthetic metal silicates for increasing retention and drainage during a papermaking process
AssigneeNalco Company
InventorsBruce A. Keiser, Laura M. Sherman
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Abstract
The invention discloses a paper or paperboard produced from a slurry comprising cellulose fibers and an effective amount of SMS. In addition, a method for increasing retention and dewatering during the papermaking process is also disclosed. The method involves the addition of an effective amount of SMS to said papermaking process.
Claims23
Paper or paperboard produced from a slurry comprising cellulose fibers and an effective amount of synthetic metal silicate, wherein said synthetic metal silicate has the following formula:
- (Mg3−xLix)Si4Na0.33[Fy(OH)2−y]2O10, wherein:
- x=0 to 3.0;
- and y=0.01 to 2.0.
A method for increasing retention and dewatering during a papermaking process, comprising the step of:
- adding an effective amount of synthetic metal silicate to said papermaking process, wherein said synthetic metal silicate has the following formula:
- (Mg3−xLix)Si4Na0.33[Fy(OH)2−y]2O10, wherein:
- x=0 to 3.0;
- and y=0.01 to 2.0.
Dependencies are inferred from the claim text.