Blendpolymers
OwnerPier L. Luisiinventor
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Abstract
Disclosed are blendpolymers prepared by suspending at least one protein-containing material and at least one polysaccharide-containing material in at least one solvent, by heating the suspension up to 50.degree. C. until at least 50% of the protein-containing and polysaccharide-containing materials are dissolved, then cooling the mixture down to room temperature and evaporating the solvent. These blendpolymers can be used to manufacture moulded objects, in particular, articles of daily use, preferably bio-compatible articles, such as containers, capsules, foils or films.
Claims20
A homogenous, moldable blendpolymer of gelatin and starch, said blendpolymer obtained by (i) suspending gelatin and starch in water;
- (ii) heating the resulting suspension to a temperature of up to 50.degree. C. for a period sufficient to dissolve at least 50% of the gelatin, (iii) adding to the heated suspension a hydrogen bridge-forming adjuvant in an amount effective to form an intermediate bridge between the gelatin and starch, and at least one biologically active material, while maintaining the resulting mixture in solution;
- and (iv) forming the blendpolymer by cooling the mixture to room temperature and evaporating the water.
Dependencies are inferred from the claim text.