Gpcp IP Holdings LLC

Brian S Hammes

Yu Chen

Kevin M Holtman

Jeffery J Boettcher

Jeffrey J Boettcher

Absorbent sheet is manufactured utilizing a low charge density debonder composition comprising an imidazolinium surfactant-containing constituent selected from the group consisting of: (i) cationic imidazolinium surfactants with alkylalkenylhydroxy substitution; (ii) zwitterionic imidazolinium surfactants; and (iii) an ion paired surfactant mixture including a zwitterionic imidazolinium surfactant and a cationic surfactant and, in admixture with the imidazolinium surfactant-containing constituent, (iv) a nonionic surfactant.

Manufacture of absorbent paper with low charge density imidazolinium containing debonder compositions

Zwitterionic surfactant compounds and their use in connection with absorbent paper manufacture in debonder and softener formulations. An exemplary surfactant is an imidazolinium compound of formula:  wherein X is SO, Ris a hydrocarbyl spacer group having a chain length of from 2-6 carbon atoms, Ris a hydrocarbyl group having from 8 to 22 carbon atoms; and Ris an alkenylamidoalkyl moiety having from 8 to 30 carbon atoms.

Zwitterionic imidazolinium surfactant and use in the manufacture of absorbent paper

Zwitterionic surfactant compounds and their use in connection with absorbent paper manufacture in debonder and softener formulations. An exemplary surfactant is an imidazolinium compound of formula: wherein X is SO, Ris a hydrocarbyl spacer group having a chain length of from 2-6 carbon atoms, Ris a hydrocarbyl group having from 8 to 22 carbon atoms; and Ris an alkenylamidoalkyl moiety having from 8 to 30 carbon atoms.

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Appleton, WI, United States of America

Brian S Hammes