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US 8,524,790 B2Granted
Starch film and method for manufacturing starch foam
AssigneeIndustrial Technology Research Institute
InventorsJyi Hsiang Lee, Chei Kao, Ching-Chih Lai, Chin-Ying Tsai
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Abstract
A biodegradable starch film is provided. The biodegradable starch film includes a starch which is cross-linked by means of a cross-linking agent. The cross-linking agent comprises glycidyl methacrylate (GMA), octenyl succinic anhydride (OSA), or dodecyl succinic anhydride (DDSA) or combinations thereof. The cross-linking agent is 1 to 10 weight parts based on the starch of 100 weight parts. Furthermore, a method for manufacturing starch foam is also provided.
Claims11
A method for manufacturing starch foam, comprising:
- modifying a starch by a cross-linking agent, wherein the cross-linking agent comprises glycidyl methacrylate (GMA), and the cross-linking agent is 1 to 10 weight parts based on the starch of 100 weight parts;
- mixing the modified starch with a nucleating agent and a foaming agent to form a foamable mixture;
- and
- foaming the foamable mixture to form a foam.
1 more element
Dependencies are inferred from the claim text.