Process for producing sized paper and cardboard with polyelectro

Details Process for producing sized paper and cardboard with polyelectro Process for producing sized paper and cardboard with polyelectro

1979-12-31

1981-11-10

Smith, William F.

Paper making and fiber liberation

Processes and products

Non-fiber additive

162167, 162168NA, 162174, 162175, 162178, 162183, D21H 358

Patent

active

042996546

ABSTRACT:
A process for producing paper or cardboard sized in the pulp with epoxide-amine-polyamide reaction products is disclosed.
This process comprises adding to the fibre suspension, which has a pH value of 5 to 8,

REFERENCES:
patent: 3392085 (1968-07-01), Oliver
patent: 3709847 (1973-01-01), Toepfl et al.

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