Patent · US Active

Method to adhere and dislodge crepe paper

US9266301B2 · kind B2 · utility

1Cited by

29References

12Claims

0Family size

Assignee

Nalco Company LLC · US

Inventors

Gary S. Furman · McLeansboro, US
Mingli Wei · Naperville, US
Winston Su · Naperville, US
Christopher Kaley · Hoffman Estates, US
David J. Castro · DeKalb, US
Vladimir Grigoriev · Atlanta, US

Key dates

Filing date	Oct 22, 2012
Grant date	Feb 23, 2016
Priority date	—
Expiry date	Oct 22, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L79/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

This invention is method of creping a paper web comprising a) applying to a rotating creping cylinder an adhesive composition having a pH of about 6.5 to about 8 and comprising one or more vinylamine/N-vinyl formamide polymers composed of about 10 to about 99 mole percent vinylamine monomer and about 90 to about 1 mole percent N-vinylformamide monomer; b) pressing the paper web against the creping cylinder to effect adhesion of the paper web to the creping cylinder; and c) dislodging the paper web from the creping cylinder with a doctor blade.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.