B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 2/30 (2006.01) C09K 8/56 (2006.01) C09K 8/80 (2006.01) E21B 43/04 (2006.01) C09D 161/12 (2006.01) E21B 43/267 (2006.01)
Patent
CA 2680930
Disclosed herein are free flowing coated particles and low temperature methods of making same. Each particle has a curable coating disposed upon a substrate. The substrate is a particulate substrate including an inorganic material, a particulate substrate including an organic material, a composite substantially homogeneous formed particle including a first portion of an at least partly cured binder and filler particles, or a hybrid particle having an inorganic particle as a core and a composite coating including at least partially cured resin and filler. The curable coating includes a continuous phase including resole resin and reactive powder particles embedded or adhered to the continuous phase. The reactive powder particles typically include resole resin, novolak resin, polyester, acrylic and/or urethane. A method including applying a coating including the continuous phase including resole resin and reactive or non-reactive powder particles embedded or adhered to the continuous phase.
L'invention concerne des particules revêtues à écoulement libre et des procédés à basse température permettant de les produire. Chaque particule présente un revêtement durcissable placé sur un substrat. Le substrat est un substrat particulaire incluant un matériau inorganique, un substrat particulaire incluant un matériau organique, une particule formée, sensiblement homogène, composite incluant une première partie d'un liant au moins partiellement durci et des particules de charge, ou une particule hybride ayant une particule inorganique comme noyau et un revêtement composite incluant au moins une résine partiellement durcie et une charge. Le revêtement durcissable inclut une phase continue incluant la résine résol et des particules de poudre réactive incorporées ou collées à la phase continue. Les particules de poudre réactive incluent typiquement de la résine résol, résine novolaque, polyester, acrylique et/ou uréthane. L'invention concerne également un procédé incluant l'application d'un revêtement incluant la phase continue incluant la résine résol et des particules de poudre réactive ou non réactive incorporées ou collées à la phase continue.
Barajas Michael Anthony
Mccrary Avis Lloyd
Mcdaniel Robert Ray
Hexion Specialty Chemicals Inc.
Momentive Specialty Chemicals Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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