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Study on Biodegradable Polyurethane Foam for Non-lethal Weapon
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  • Journal title : Adhesion and Interface
  • Volume 17, Issue 1,  2016, pp.21-28
  • Publisher : The Society of Adhesion and Interface, Korea
  • DOI : 10.17702/jai.2016.17.1.21
 Title & Authors
Study on Biodegradable Polyurethane Foam for Non-lethal Weapon
Lee, Hyang Moo; Kim, Young Hyun; Kim, Kyung Won; Cheong, In Woo;
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 Abstract
Foam-type biodegradable polyurethane adhesives were developed as a non-lethal weapon against illegal fishing boats. The adhesives were prepared from a hardener of polymeric methylene diphenyl diisocyanate (MDI) and a base composed of polyester and/or polyether polyols. In order to accelerate biodegradability, starch, dextrin, and amylase were added into the base, and which present about 34% degradability within 4 weeks confirmed by OECD 301C method. For proper mixing and corresponding prompt foam reaction, viscosities of hardener and base compositions were investigated in the temperature ranges from 0 to . For fast completion of the foam forming and corresponding adhesion, rising time was recorded in the same temperature range, and the rising time of the adhesive was varied within around 1 minute. T-peel adhesion tests with cotton fabrics were performed which showed 20.78 N/cm and 11.95 N/cm as the maximum and the average values, respectively.
 Keywords
polyurethane foam;biodegradable;amylase;non-lethal weapon;
 Language
Korean
 Cited by
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