Process for the preparation of low molecular weight polysaccharide ethers
AssigneeHoechst Aktiengesellschaft
InventorsJosef Hilbig, Reinhard Doenges
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Abstract
Process for the preparation of low molecular weight polysaccharide ethers which can be employed in binders for improving adhesive power and film-forming properties, by oxidative degradation of relatively high molecular weight polysaccharide ethers, which comprises initially introducing a relatively high molecular weight polysaccharide ether in suspension (e.g. in a slurry), adding a perborate or a mixture of perborate and perborate activator, and carrying out the oxidative degradation at a temperature of between 25.degree. and 90.degree. C.
Claims24
A process for lowering the molecular weight of a cellulose ether or starch ether by oxidative degradation, comprising:
- adding to a cellulose ether or starch ether starting material a perborate and carrying out the oxidative degradation at a temperature in the range of about 25.degree. to about 90.degree. C. to obtain the oxidatively degraded product.
Dependencies are inferred from the claim text.