Method for preparing a new water-soluble and biodegradable material
AssigneesAlonso Juan Carlos Abaunza, Ecoitaly Società A Responsabilità Limitata
InventorAmador Gumersindo ABAUNZA
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Abstract
A new water-soluble and biodegradable material is provided, useful for replacing products made of plastic, and the related preparation method. In particular, a method for preparing a new water-soluble and biodegradable material based on water, polyvinyl alcohol, cellulose-derived polymers and corn starch, useful for preparing products such as bags for transport, bags for garbage and food packaging, and a material obtainable by such method is provided.
Claims12
A method for preparing a water-soluble and biodegradable material, comprising the following steps:
- i) mixing water, polyvinyl alcohol, cellulose-derived polymers, corn starch and optionally one or more additives at a temperature from 60 to 80° C., in order to obtain a sheet having a thickness between 150 and 300 microns, preferably between 180 and 220 microns, still more preferably 210 microns;
- ii) forming the material prepared at step i);
- iii) drying the material formed at step ii) for at least 2 days, optionally in an environment not exposed to the sun.
(canceled)
Dependencies are inferred from the claim text.