Method of manufacture of paperboard

Details Method of manufacture of paperboard Method of manufacture of paperboard

1989-02-17

1990-04-03

Chin, Peter

Paper making and fiber liberation

Processes and products

Multi-layer waterlaid webs or sheets

162130, 162133, 162149, D21H 102

Patent

active

049137735

ABSTRACT:
A method of producing a multi-ply paperboard comprising at least one ply high bulk fibers sandwiched between at least two plies of conventional papermaking fibers. In a preferred embodiment, high bulk fibers characterized by twists, kinks and curls are produced by mechanical deformation without substantial fibrillation or breakage of the fibers, as by dry hammermilling or wet milling of the fibers. An aqueous foam furnish is preferred for laying the ply containing high bulk fibers.

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patent: 4431479 (1984-02-01), Barbe et al.
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