Printing paper coated with nonionic acrylamide and method of pro

Details Printing paper coated with nonionic acrylamide and method of pro Printing paper coated with nonionic acrylamide and method of pro

1996-12-12

2000-01-11

Thibodeau, Paul

Stock material or miscellaneous articles

Structurally defined web or sheet

Weight per unit area specified

428342, 428507, 428514, 162135, 1621646, 427211, 427361, 427365, 427428, B32B 2906

Patent

active

060133597

ABSTRACT:
A printing paper, especially a newsprint base paper, comprising: a base paper; and a coating layer for improving surface strength of the coated paper and releasing-property when two sheets of the coated paper are stacked, which coating layer is formed on the base paper by using a coating-transcription system such as a gate roll coating system, which coating layer comprises at least either a homopolymer polyacrylamide or a nonionic-copolymer polyacrylamide in a coating weight of from 0.01 g/m.sup.2 to 0.2 g/m.sup.2, wherein the homopolymer polytcrylamide and the nonionic-copolymer polyacrylamide have a weight average molecular weight ranging from 20,000 to 250,000, thereby improving not only surface strength but also releasing-property in a printing paper, especially in a newsprint paper having a basis weight less than 46 gm.sup.2.

REFERENCES:
patent: 2945775 (1960-07-01), Lehman et al.
patent: 4966652 (1990-10-01), Wasser
patent: 5470918 (1995-11-01), Tsutumi et al.
patent: 5698305 (1997-12-01), Suzuki et al.
patent: 5750253 (1998-05-01), Satake et al.
patent: 5849154 (1998-12-01), Takano et al.

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