COMPOSITION SUITABLE AS ADDITIVES IN THE PAPER INDUSTRY AND PAPER COMPRISING SUCH COMPOSITION

WIPO Patent Application WO2003020818

B1

According to the present disclosure, starch/polymer combinations are provided. The preferred starch/polymer combinations are usable as paper additives, in the wet end of a papermaking process. Typical and preferred starch/polymer combinations of this type, result from combining a starch, having a polymer reactive carbonyl functionality, with a polymer, having a carbonyl reactive functionality, under conditions that allow for covalent interaction between the two. Typically usable components comprise oxidized starch and polymer having reactive primary or reactive secondary amine groups. Also provided are methods of preparing such combinations, methods of use, preferred papers including such combinations, and, analytical techniques usable in preparation of such combinations.

ANDERSON KEVIN RAY (US)
ESSER ANTON (DE)
FOSDICK LAWRENCE EDWARD (US)
HWANG KI-OH (US)
MAHR NORBERT (DE)
MCDONALD JOHN THOMAS JR (US)
SIVASLIGIL DOGAN SAHIN (NL)
STANGE ANDREAS (DE)
VEELAERT SARAH (NL)
WENDKER MARTIN (DE)

PCT/US2002/027837

June 19, 2003

August 28, 2002

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ANDERSON KEVIN RAY (US)
ESSER ANTON (DE)
FOSDICK LAWRENCE EDWARD (US)
HWANG KI-OH (US)
MAHR NORBERT (DE)
MCDONALD JOHN THOMAS JR (US)
SIVASLIGIL DOGAN SAHIN (NL)
STANGE ANDREAS (DE)
VEELAERT SARAH (NL)
WENDKER MARTIN (DE)

C08B31/00; C08B31/18; C08L3/10; C08L101/00; D21H17/28; D21H17/43; D21H17/45; (IPC1-7): C08L3/10; D21H17/72

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