Patent ID: 6599392
Filing Date: 2003-07-29
Classification: D21H

Abstract:
A method for producing a highly bulky pulp sheet, said method comprisingadding a paper bulking promoter to a pulp feedstock in a papermaking process in the amount of 0.1 to 10% by weight based on the pulp feedstock; wherein said paper bulking promoter comprises an ester compound having the melting point of not more than 100Â° C., selected from (A) an ester compound of a polyhydric alcohol and a fatty acid and (B) an ester compound of a polyhydric alcohol and a fatty acid further including from more than 0 mole to less than 12 moles on the average of C2-4 oxyalkylene groups per 1 mole of the said ester compound; wherein 10 to 95% by equivalent of OH groups of the alcohol have been esterified.