Process for preparing readily dispersible water-soluble cellulos

Details Process for preparing readily dispersible water-soluble cellulos Process for preparing readily dispersible water-soluble cellulos

1995-12-18

1997-10-07

Nutter, Nathan M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 58, 536 63, 536 64, 536 65, 536 68, 536 69, 536 70, 536 76, 536 80, 525 543, C08B 300, C08B 322, C08G 6348

Patent

active

056749996

ABSTRACT:
An improved process for surface treating water soluble cellulosic polymers with crosslinking agents to provide products which are more readily dispersible in cold water, and have longer viscosity delay times than can be achieved with polymers treated in low intensity mixers, such as ribbon blenders, comprising distributing the crosslinking agent using a continuous, high intensity mixer, followed by heating to facilitate surface crosslinking. This process also allows for a reduced level of crosslinking chemicals to be used.

REFERENCES:
patent: 3090606 (1963-05-01), Burnett
patent: 4537958 (1985-08-01), Strange et al.

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