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Spider Glue Opens Up New Avenues for Adhesives Innovation

Posted By ASC, Wednesday, October 21, 2015

Researchers from the University of Akron and Virginia Polytechnic Institute will soon be publishing their latest findings on the properties of the glue droplets that coat the capture silk of spiders’ webs. Although synthetic adhesives lose adhesion in high humidity conditions, certain ‘spider glues’ becomes stickier the wetter it gets – all the way up to 100% humidity.   Research shows that spiders are able to exude a glue that reaches its maximum adhesion at the ambient humidity associated with their usual foraging times. The composition of these bio-adhesives will give us new insights that could allow for the development of smart adhesives targeted for use at specific humidity.  The researchers have been analyzing the proteins and salts in spider glue droplets and believe that the key lies in the salts rather than the proteins, since these showed the greatest degree of variation among the species studied. The findings of this aspect of their research will open up new avenues for adhesives innovation.

Tags:  Industry News 

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