B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 17/10 (2006.01) B29C 45/14 (2006.01)
Patent
CA 2661057
The present invention is directed to the use of injection molding to form polymeric interlayers (16) directly between two rigid substrates (12, 14) that are positioned so that after injection of the melted polymeric, material and after cooling, the resulting multiple layer panel functions as a safety panel that can be used in any appropriate conventional safety glazing application. Methods of the present invention utilize a relatively low molecular weight polymer, multiple injection points, mold compression, and/or a heated substrate in order to facilitate the injection of polymer into the relatively narrow space between glazing substrates that is typically found in safety glazings.
La présente invention concerne l'utilisation du moulage par injection pour former des couches intermédiaires polymériques (16) directement entre deux substrats rigides (12, 14) positionnés de sorte qu'après injection du matériau polymérique fondu et après refroidissement, le panneau multicouche résultant fonctionne comme un panneau de sécurité qui peut être utilisé dans une quelconque application courante et appropriée de vitrage de sécurité. Des procédés de la présente invention utilisent un polymère à poids moléculaire relativement bas, de multiples points d'injection, une compression de moule et/ou un substrat chauffé pour faciliter l'injection du polymère dans l'espace relativement étroit trouvé entre les substrats de vitrage et typique des vitrages de sécurité.
Karagiannis Aristotelis
Koran Francois
Yuan Ping
Nelligan O'brien Payne Llp
Solutia Incorporated
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