Method for cross-linking of agar products

Details Method for cross-linking of agar products Method for cross-linking of agar products

1985-01-22

1986-05-27

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

C08B 3712

Patent

active

045916403

ABSTRACT:
The invention relates to a method for cross-linking of agar products in an alkaline surrounding. According to the invention divinylsulfone is used as cross-linking agent in a manner known per se. The cross-linking is performed at room temperature at pH>11 in the presence of a reducing agent, and unreacted vinyl groups are deactivated by means of a neutral hydrophilic deactivating substance comprising several hydroxyl groups. The cross-linking was stable even at a pH as high as 13 during a test period of 15 days.

REFERENCES:
patent: 3959251 (1976-05-01), Porath et al.
Journal of Chromatography, 103 (1975), 49-62.

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