C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 177/06 (2006.01) D21H 15/04 (2006.01) D21H 21/00 (2006.01) D21H 23/24 (2006.01)
Patent
CA 2539532
An improved creping adhesive is prepared by first reacting a dibasic carboxylic acid, or its ester, half-ester, or anhydride derivative, with a polyalkylene polyamine, preferably in aqueous solution, under conditions suitable to produce a water soluble polyamide. The water-soluble polyamide is then reacted with an epihalohydrin until substantially fully cross-linked, and stabilized by acidification with phosphoric acid at the end of the polymerization reaction to form a water-soluble poly(aminoamide)- epihalohydrin creping adhesive that is re-wetable and facilitates water spray removal of buildup so as to lengthen the life of the creping blades, with attendant significant decrease in downtime and maintenance.
Boettcher Jeffery J.
Chou Hung Liang
Clungeon Nancy S.
Johnson Dexter C.
Ringold Clay E.
Fort James Corporation
Georgia Pacific Resins Inc.
Georgia-Pacific Consumer Products Lp
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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