Extension of gelation time of crosslinked polygalactomannans

Details Extension of gelation time of crosslinked polygalactomannans Extension of gelation time of crosslinked polygalactomannans

1984-02-16

1986-02-04

Albrecht, Dennis L.

Compositions

Preservative agents

Anti-corrosion

149 46, 149 60, 149 61, 166271, 166308, 252 855R, B01J 1300, C06B 3130, E21B 4328

Patent

active

045684812

ABSTRACT:
In a process for preparing crosslinked gels from aqueous polygalactomannans using potassium pyroantimonates, the rate of gel formation is decreased by chelating the potassium pyroantimonate with di or tri alkali metal or ammonium citrate.

REFERENCES:
patent: 3202556 (1965-08-01), Chrisp
patent: 3523048 (1970-08-01), Hopler
patent: 3740360 (1973-06-01), Nimerick
patent: 3794115 (1974-02-01), Skagerberg
patent: 3940297 (1976-02-01), Bolza
patent: 4021355 (1977-05-01), Holtmyer
patent: 4466890 (1984-08-01), Briscoe
patent: 4470915 (1984-09-01), Conway
patent: 4488975 (1984-12-01), Almond
patent: 4505826 (1985-03-01), Horton

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