C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 9/04 (2006.01) C08L 23/06 (2006.01)
Patent
CA 2533755
A treatment for particulate inorganic solids is provided. This treatment, which uses certain organophosphinic compounds, imparts improved physical and chemical qualities including lacing resistance, improved dispersion and decreased chemical reactivity when these treated particulate inorganic solids are incorporated into polymeric matrices. The addition of the organophosphinic compounds of the present invention may flexibly be incorporated into known processes at varying points, and are preferably added downstream of any filtering steps or to a dry particulate inorganic solid.
Cette invention se rapporte à un traitement pour solides inorganiques particulaires, qui utilise certains composés organophosphiniques qui, lorsque ces solides inorganiques particulaires ainsi traités sont incorporés dans des matrices polymères, leur confèrent des qualités physiques et chimiques améliorées, telles que la résistance au laçage, une dispersion accrue et une réactivité chimique réduite. L'addition des composés organophosphiniques peut être incorporée dans des processus connus selon les besoins en divers points, et ces composés sont de préférence ajoutés en aval des étapes de filtrage ou à un solide inorganique particulaire sec.
El-Shoubary Modasser
Kostelnik Robert
Millenium Inorganic Chemicals Inc.
Osler Hoskin & Harcourt Llp
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