PAPER BULKING PROMOTER, HIGHLY BULKY PULP SHEET, AND PROCESSFOR PRODUCING THE PULP SHEET

摘要

A paper bulking promoter containing a compound represented by the following formula (1) with which a highly bulky sheet can be obtained without impairing paper strength: RO(EO)m(PO)n H (1) wherein R represents a linear or branched alkyl or alkenyl group having 6 to 22 carbon atoms or an alkylaryl group in which the alkyl group has 4 to 20 carbon atoms; E represents an ethylene group; P represents a propylene group; m indicates the average number of moles added in the range of O.ltoreq.m.ltoreq.20; and n is a number in the range of O.ltoreq.n.ltoreq.50 ; provided that the EO an d PO groups may have any of block and random arrangements and may begin with any of EO and PO.