Use of chitosan in corrugating medium

Details Use of chitosan in corrugating medium Use of chitosan in corrugating medium

1977-01-17

1978-07-25

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Non-uniform, irregular or configured web or sheet

162163, 162175, D21H 320

Patent

active

041027388

ABSTRACT:
Chitosan is used to improve the flat crush resistance of corrugating medium. A solution of chitosan in dilute acid is added to corrugating medium pulp containing at least about 0.05%, based on the dry fiber weight, of spent semichemical pulping liquor. The corrugating medium pulp is then formed into corrugating medium sheets, dried and manufactured into corrugating medium.

REFERENCES:
patent: 2047218 (1936-07-01), Merrill
patent: 3258393 (1966-06-01), Woodberry et al.
"Developments in Semichemical Pulping with Kraft Green Liquor", Paper Trade Journal, 10/14/74, pp. 25-26.
Dissertation Abstracts, "The Utilization of Chitosan as a Papermaking Additive", Crosby, G. D., 1973.

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