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Fluage des colles polyuréthanes monocomposant pour collage du bois vert

Abstract : Creep and temperature-dependent creep, characteristic of one component polyurethane adhesives for green structural wood glueing such as glulam are two different parameters. Testing of the best standards-approved commercial polyurethane adhesive for this purpose showed that while ambient temperature creep is limited this is not the case for temperature-dependent creep. The commercial adhesives characteristics that minimize or enhance ambient temperature and temperature-dependent creep were identified. The work encompass the correlation of structure, creep and temperature-dependent creep for polyurethanes for structural wood application. This was done to establish basic principles in order to formulate and to reformulate the existing creeping formulations so that the problem can be eliminated or at least minimized. Basic principles on the structure of simple polyurethane adhesives influencing temperature-dependent creep were also identified and discussed.
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https://hal.univ-lorraine.fr/tel-01746593
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Submitted on : Thursday, March 29, 2018 - 10:40:55 AM
Last modification on : Tuesday, March 10, 2020 - 4:01:43 PM

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  • HAL Id : tel-01746593, version 1

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Bin Na. Fluage des colles polyuréthanes monocomposant pour collage du bois vert. Autre. Université Henri Poincaré - Nancy 1, 2006. Français. ⟨NNT : 2006NAN10127⟩. ⟨tel-01746593⟩

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