Process for water-insolubilization of molded pullulan

Details Process for water-insolubilization of molded pullulan Process for water-insolubilization of molded pullulan

1975-02-27

1977-06-14

Brown, Johnnie R.

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

Organic compounds

Carbohydrates or derivatives

536 1, C07H 1504

Patent

active

040298868

ABSTRACT:
A molded pullulan can be water-insolubilized by treatment with, as the combination of a crosslinking agent with a catalyst, at least one of the combinations of (1) formaldehyde with zinc chloride, (2) glyoxal with magnesium chloride, and (3) formaldehyde or glyoxal with hydrogen chloride gas or sulfurous acid gas.

REFERENCES:
patent: 2222872 (1940-11-01), Leuck
patent: 2222873 (1940-11-01), Leuck
patent: 3379720 (1968-04-01), Reid
patent: 3555006 (1971-01-01), Storfer
patent: 3870537 (1975-03-01), Hijiya et al.

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