Paper making and fiber liberation – Processes and products – Mineral fiber
Patent
1981-06-24
1983-03-29
Chin, Peter
Paper making and fiber liberation
Processes and products
Mineral fiber
162155, 162156, 162169, 162190, D21H 518, D21D 300
Patent
active
043782728
ABSTRACT:
A carboxylated latex is added to an aqueous slurry of fibers to remove metal ions contained in solution. The water is removed to form a felt. The demetallized water removed during felt formation is recycled in a closed process water system. The carboxylated latex is formed by polymerizing an unsaturated carboxylic acid on a substantially surfactant free styrene-diene polymer latex.
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Allen, Jr. Crowley C.
Kempf Ulrich W.
Suwala David W.
Chin Peter
GAF Corporation
Maue Marilyn J.
Mohr J. Gary
Ward Joshua J.
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