Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With chemical or physical modification of liberated fiber
Patent
1979-06-13
1983-10-11
Smith, William F.
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With chemical or physical modification of liberated fiber
162100, 162231, D21D 100
Patent
active
044090650
ABSTRACT:
Method for the production of kraft paper for increasing its functional quality, particularly its tensile energy absorption, whereby the pulp being prepared in a conventional manner is processed by additional separate curlation directly before web formation for increasing the elastic stretch and a paper bag made of that kraft paper wherein the elastic stretch exceeds 1.8%.
REFERENCES:
patent: 2516384 (1950-07-01), Hill et al.
Casey, J. P., "Pulp and Paper", vol. II, Sec. Ed. Interscience Pub. NY, NY, 1960, pp. 743-744.
Flocks Karl W.
Neimark Sheridan
Smith William F.
Technopulp A.G.
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