Primary paper sheet having a surface layer of pulp fines

Details Primary paper sheet having a surface layer of pulp fines Primary paper sheet having a surface layer of pulp fines

1987-09-22

1989-12-19

Alvo, Steve

Paper making and fiber liberation

Processes and products

Multi-layer waterlaid webs or sheets

162135, 162149, 428326, 428535, 4285375, D21H 512, B32B 2902

Patent

active

048880922

ABSTRACT:
A paper sheet comprising a primary sheet having a layer of pulp fines on a surface thereof. The disclosed paper sheet has improved smoothness and hold out, and is particularly useful in carbonless record sheets and as a basesheet for high quality coated papers.

REFERENCES:
patent: 2098733 (1937-11-01), Sale
patent: 2881669 (1959-04-01), Thomas
patent: 3565753 (1971-02-01), Yurkowitz
patent: 3839144 (1974-10-01), Louden
patent: 4060450 (1977-11-01), Palazzolo et al.
patent: 4300981 (1981-11-01), Cartens
patent: 4567496 (1986-10-01), Ogata etal.
Casey; Pulp and Paper, 2nd Ed., vol. 1, Interscience Publishers, N.Y. 1960.
Perry; Chemical Eng. Handbook, 4th ed. McGraw-Hill, N.Y., 1963, table 21-16.

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