Novel cellulose microcapsules and preparation thereof

Details Novel cellulose microcapsules and preparation thereof Novel cellulose microcapsules and preparation thereof

1976-12-15

1978-10-03

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

424 22, 424 35, B01J 1302

Patent

active

041183363

ABSTRACT:
A novel cellulose microcapsule having adsorbing capacity, consisting of outer semipermeable barrier layer of cellulose and adsorbent powders dispersed within inner cellulose gel matrix, is prepared by ester hydrolysis of a precursor microcapsule consisting of cellulose ester derivative and adsorbent powders. It is excellent in resistance to chemicals such as acids, alkalis or organic solvents and is useful for various purposes.

REFERENCES:
patent: 2629713 (1953-02-01), Goebel
patent: 3522346 (1970-07-01), Chang
patent: 3558507 (1971-01-01), Harbort
patent: 3725113 (1973-04-01), Chang

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