Patent · US Expired

Mixtures of solids, consisting of a reactive sizing agent and starch, method for producing said mixtures and use thereof

US7294190B2 · kind B2 · utility

1Cited by

8References

11Claims

0Family size

Assignee

BASF SE

Inventors

Rainer Dyllick-Brenzinger · Speyer, DE
Thomas Kessler · Schifferstadt, DE
Norbert Guentherberg · Speyer, DE
Peter Wittmer · Bischofswerda, DE
Roland Ettl · Haßloch, DE

Key dates

Filing date	Oct 15, 2004
Grant date	Nov 13, 2007
Priority date	—
Expiry date	Oct 29, 2024

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H23/22
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Solid mixtures of a reactive size and starch, which are obtainable by mixing at least one reactive size with at least one starch in a melt in the presence of at least one destructuring agent for starch under the action of shear forces at from 65 to 250° C. and cooling the melt to room temperature, are used in the form of aqueous dispersions as process assistants in papermaking.

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