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'Green' Starch-based Resins and Nanocomposites with Enhanced Properties

详细技术说明
A completely 'green', easy to scale-up, water-based process was developed for crosslinking of starches using malonic acid - a plant-based, non-toxic and sustainable crosslinker.
*Abstract

A completely 'green', easy to scale-up, water-based process was developed for crosslinking of starches using malonic acid - a plant-based, non-toxic and sustainable crosslinker. This invention addresses the commercial drawbacks of starch by enhancing its mechanical properties as well as lowering its hydrophilicity, thus enabling its use as a substitute for petroleum-based products.

Corn(cereal) and potato (tuber) starches were crosslinked, resulting in improved strength and thermal stability, as well as reduced moisture sensitivity based on chemical, thermal and mechanical test results. Due to differences in granule morphology and internalstructure of the two starches, the potato starch was found to be more reactive, achieving in a 0.19 degree of substitution (DS) compared to the corn starch granules with a DS of 0.10 under similar reaction conditions. All other starches can also be modified using this procedure, and used to make polymers/resins for "green" plastics or other products.

 

Potential Applications

Petroleum-based materials, e.g. plastics, polymers, resins, composites, etc.

 

Advantages

  • Sustainability, i.e. environmentally-friendly, biodegradable, non-toxic
  • Low cost materials
  • Small carbon footprint
  • Scalable process
*Licensing
Martin Teschlmt439@cornell.edu(607) 254-4454
其他
国家/地区
美国

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