Base paper for photographic layer support

Details Base paper for photographic layer support Base paper for photographic layer support

1989-02-10

1991-07-16

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

1621643, 1621646, 1621683, 162179, 162180, 162183, D21H 1705, D21H 1733

Patent

active

050322265

ABSTRACT:
A photographic layer carrier, made of a paper coated with polyolefin resin with improved sheet structure and improved strength values, comprises a base paper which includes, in additon ot hydrophobic-properties conveying sizing agent and a cationic wet-proof-properties conveying agent, an amphoteric polyacryl amide and/or polymethacryl amide.

REFERENCES:
patent: 2884058 (1959-04-01), Schuller et al.
patent: 4419433 (1983-12-01), Kubbota et al.
patent: 4433030 (1984-02-01), Tamagawa et al.
patent: 4439496 (1984-03-01), Tamagawa et al.
patent: 4659430 (1987-04-01), Tamagawa et al.
patent: 4665014 (1987-05-01), Katsura
patent: 4675245 (1987-06-01), Von Meer
Casey, Pulp and Paper, 3rd ed., vol. III (1981), p. 1603.
Casey, Pulp and Paper, 3rd ed. (1981) pp. 1449-1459.

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