PROCESS FOR COVERING RUBBER PARTICLES WITH A POLYMERIC FILM AND COVERED ROBBER GRANULATES OBTAINED BY THIS PROCESS
The invention relates to a process for covering rubber particles with a continuous functional layer of polymeric nature, characterized by the use of a rotating drum with variable speed drive allowing for a progressive reduction of the speed and a pre-blend of a setting and filmifiable reactive fluid...
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| creator | MOURA BORDADO, JOAO CARLOS GUILHERME SILVA CANDEIAS, MARTA SOFIA FONSECA AMARO, MARIANA AFONSO VELOSO, ISABEL RUTE VILELA DE MOTA, HELENA ISABEL VALENTE MENDES RAPOSEIRO, INES |
| description | The invention relates to a process for covering rubber particles with a continuous functional layer of polymeric nature, characterized by the use of a rotating drum with variable speed drive allowing for a progressive reduction of the speed and a pre-blend of a setting and filmifiable reactive fluid comprising a liquid resin selected from alkyd resins, polyvinyl chloride resin, urethane alkyd resins, polyurethane-urea resins and reactive polyester resins. The invention also relates to covered granulates obtained by this process.
L'invention concerne un procédé d'enrobage de particules de caoutchouc dans une couche fonctionnelle continue de nature polymère, caractérisé par l'utilisation d'un tambour rotatif à commande de vitesse variable permettant une réduction progressive de la vitesse et un prémélange d'un fluide réactif durcissant et filmogène comprenant une résine liquide choisie parmi les résines alkydes, la résine de polychlorure de vinyle, les résines uréthanique alkydes, et les résines réactives de polyester. L'invention concerne également des granulés enrobés obtenus par ce procédé. |
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L'invention concerne un procédé d'enrobage de particules de caoutchouc dans une couche fonctionnelle continue de nature polymère, caractérisé par l'utilisation d'un tambour rotatif à commande de vitesse variable permettant une réduction progressive de la vitesse et un prémélange d'un fluide réactif durcissant et filmogène comprenant une résine liquide choisie parmi les résines alkydes, la résine de polychlorure de vinyle, les résines uréthanique alkydes, et les résines réactives de polyester. L'invention concerne également des granulés enrobés obtenus par ce procédé.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP |
| title | PROCESS FOR COVERING RUBBER PARTICLES WITH A POLYMERIC FILM AND COVERED ROBBER GRANULATES OBTAINED BY THIS PROCESS |
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