Paper making and fiber liberation – Processes and products – Non-fiber additive
Patent
1995-03-17
1995-11-14
Chin, Peter
Paper making and fiber liberation
Processes and products
Non-fiber additive
1621646, 1621682, 1621683, 162183, 162189, 162191, D21H 2120
Patent
active
054663377
ABSTRACT:
A repulpable wet strength paperboard formed from an aqueous dispersion of cellulosic fibers treated with a temporary cationic wet strength agent and a permanent wet strength agent or a reactive internal size wherein said temporary wet strength agent and said permanent wet strength agent or size are used in combined amounts sufficient to impart wet strength to said paper yet render said paper readily repulpable.
REFERENCES:
patent: 2961367 (1960-11-01), Weisgerber
patent: 3219518 (1965-11-01), Barber et al.
patent: 3236721 (1966-02-01), Curtis
patent: 3320066 (1967-05-01), Garth
patent: 3556932 (1971-01-01), Coscia et al.
patent: 3556933 (1971-01-01), Williams et al.
patent: 3607622 (1971-09-01), Espy
patent: 3728215 (1973-04-01), Espy
patent: 4035229 (1977-07-01), Rave
patent: 4079044 (1978-03-01), Rave
patent: 4117199 (1978-09-01), Gotoh et al.
patent: 4188446 (1980-02-01), Friedman
patent: 4233411 (1980-11-01), Ballweber et al.
patent: 4308092 (1981-12-01), Latimer et al.
patent: 4420368 (1983-12-01), Drach
patent: 4557801 (1985-12-01), Avis
patent: 4566943 (1986-01-01), Hansson et al.
patent: 4624743 (1986-11-01), Gess
patent: 4722964 (1988-02-01), Chan et al.
patent: 4788280 (1988-11-01), Billmers et al.
patent: 4845148 (1989-07-01), Moore et al.
patent: 5138002 (1992-08-01), Bjorkquist
patent: 5147908 (1992-09-01), Floyd et al.
patent: 5163931 (1992-11-01), Aldrett
Paper Chemistry, 1991, pp. 84-91.
Paprican Report Summary, Pulp and Paper Reports, Jul. 12, 1991.
Chemical Processing Aids in Papermaking: A Practical Guide, pp. 146-147.
Tappi Monograph Series No. 29, Wet Strength in Paper and Paperboard.
Parez 631 NC Wet Strength Resin.
"the Chemistry of Wet-Strength Broke Repulping", Progress in Paper Recycling, Aug. 1992, pp. 17-23.
Darlington William B.
Lanier William G.
Chin Peter
The Mead Corporation
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