D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 21/18 (2006.01) D21H 17/06 (2006.01) D21H 17/15 (2006.01) D21H 17/34 (2006.01) D21H 17/36 (2006.01) D21H 17/49 (2006.01) D21H 17/52 (2006.01) D21H 23/76 (2006.01) D21H 17/72 (1990.01)
Patent
CA 2112949
ABSTRACT An improved papermaking process has been developed to enhance the properties of the resultant paper or paper-type products. The process involves adding a polyvinyl alcohol/vinylamine copolymer along with a crosslinking agent at the dry end step of a conventional papermaking process. Improvements in the properties of the resultant paper products are observed, especially at low levels of copolymer addition.
Carroll William E.
Davidowich George
Miller Gerald D.
Robeson Lloyd M.
Smigo John G.
Air Products And Chemicals Inc.
Mcfadden Fincham
LandOfFree
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