×

Method of creping tissue webs containing a softener using a closed creping pocket

  • US 5,730,839 A
  • Filed: 07/21/1995
  • Issued: 03/24/1998
  • Est. Priority Date: 07/21/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of creping a dried tissue web comprising:

  • (a) spraying a creping adhesive onto the surface of a rotating creping cylinder, said creping adhesive comprising a mixture of an aqueous polyamide resin and a quaternized polyamido amine;

    (b) adhering the tissue web to the surface of the creping cylinder, said tissue web containing an imidazolinium quaternary compound having the following structural formula;

    ##STR3## wherein X=methyl sulfate or other compatible anion; and

    R=aliphatic, normal, saturated or unsaturated, C8 -C22 ; and

    (c) dislodging the tissue web from the creping cylinder by contact with a doctor blade positioned against the surface of the creping cylinder and presenting to the web a creping pocket angle of 78°

    or less, said tissue web having a moisture content of about 2.5 weight percent or less prior to contacting the doctor blade.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×