Process for chemically treating papermaking belts

Details Process for chemically treating papermaking belts Process for chemically treating papermaking belts

1990-04-12

1991-12-17

Fisher, Richard V.

Paper making and fiber liberation

Processes and products

Conditioning, preparing or repairing of apparatus

162DIG4, D21F 100

Patent

active

050732358

ABSTRACT:
A process for improving the life of papermaking belts containing a cured photosensitive polymeric resin is disclosed. The process includes the continuous application of an effective amount of chemical compounds capable of slowing down the degradation rate of the photosensitive polymeric resin to the belt's surface during the papermaking operation. Preferably, the chemical compounds are antioxidants which inhibit or retard oxidation of the cured resin and its ensuing degradative effects.

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Capolupo and Chucta, "Antioxidants", Modern Plastics Encyclopedia, pp. 127-128 (1988).
Bayer, "A Review of Ultraviolet Curing Technology", Tappi Paper Synthetics Conf. Proc., Sep. 25-27, pp. 167-172 (1978).

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