Please note that the details of this Challenge are no longer open. This challenge is withdrawn and is no longer accepting new submissions. You can:
Challenge How to Prevent Hydrophobic Anionic Adhesives (“stickies”) from Forming Lumps?
How to Prevent Hydrophobic Anionic Adhesives (“stickies”) from Forming Lumps?
Award:  $20,000 USD
Deadline: Withdrawn
Active Solvers: 152
Posted: Aug 05 2016
Challenge ID: 9933878
 
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Abstract

Recycled paper fibers from books, magazines, etc., are used to produce carton board. These waste fibers carry with them residues of hydrophobic adhesives – “stickies” – that tend to form lumps that cause disruptions in the board production line and defective goods, both with high economic consequences. 

The Seeker is looking for new methods to prevent the formation of such lumps, either by removing the residual stickies or neutralizing their adhesive properties that cause the lumps. 

This is a Reduction-to-Practice Challenge that requires submission of written documentation from the Solver. The Seeker will perform experimental validation of proposed solutions in order to determine the award.

Overview

“Stickies” is the common name given to hydrophobic anionic particles with adhesive properties (glue from books, magazines, etc) that are carried in recycled fibers used to manufacture carton board. The name is due to their adhesives properties that are activated by heat in production lines. When activated they generate lumps that lead to production downtimes, defective goods, customer complaints, and an economic cost to manufacturers. 

Various techniques exist in order to deal with this phenomenon, ranging from mechanical and physical approaches for removal to chemical attempts to neutralize the particles and eliminate their “stickiness”. However, no approach is truly effective in practice and, quite importantly, cost-effective. Hence, the Seeker is looking to explore new methods to prevent the formation of such lumps, either by removing the residual stickies or neutralizing their adhesive properties that cause the lumps. 

This is a Reduction-to-Practice Challenge that requires submission of written documentation by the Solver. The Challenge award is contingent upon theoretical evaluation and experimental validation by the Seeker on a test production line. Due to this requirement, experimental validation of results could take up to 6 months.

To receive an award, the Solvers will not have to transfer their exclusive IP rights to the Seeker. Instead, Solvers will grant to the Seeker a non-exclusive license to practice their solutions. 

Submissions to this Challenge must be received by 11:59 PM (US Eastern Time) on September 12, 2016. Late submissions will not be considered.

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An InnoCentive RTP (Reduction to Practice) Challenge is a prototype that proves an idea, and is similar to an InnoCentive Theoretical Challenge in its high level of detail. However, an RTP requires the Solver to submit a validated solution, either in the form of original data or a physical sample. Also the Seeker is allowed to test the proposed solution. For details about treatment of IP rights, please see the Challenge-Specific Agreement.

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