Paper making and fiber liberation – Processes and products – Conditioning – preparing or repairing of apparatus
Patent
1989-07-27
1990-09-11
Hastings, Karen M.
Paper making and fiber liberation
Processes and products
Conditioning, preparing or repairing of apparatus
162 5, 1621681, 162DIG4, D21H 2102
Patent
active
049560514
ABSTRACT:
The present invention involves the use of a polymeric material comprised of polyvinyl alcohol moieties to control the depositing tendency of adhesive materials contained in waste paper and paper products which are being utilized to produce finished paper products. The polyvinyl alcohol is added to the water sprays or showers used on the felts, wires, and press rolls.
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Betz PaperChem Inc.
Hastings Karen M.
Hill Gregory M.
Ricci Alexander D.
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