C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 13/02 (2006.01)
Patent
CA 2746419
Compacted additive blends, or polymer stabilization agent blends, can be added during the post-polymerization process to enhance the processability performance of polymers. The addition of certain compaction aids, such as high melting or non-melting metallic silicates and others, increases the resistance to friability of the compacted additive pellets. These compaction aids are non-migratory during the compaction process and after introduction into the polymer resin and thus have no deleterious effects. The additive blend can contain a variety of suitable additives in addition to the compaction aids.
Linvention concerne des mélanges dadditifs compactés, ou des mélanges dagents de stabilisation pour polymères, qui peuvent être ajoutés pendant le procédé de post-polymérisation pour améliorer laptitude au traitement de polymères. Lajout de certains adjuvants de compactage, tels que des silicates métalliques à point de fusion élevé ou ne fondant pas et dautres, augmente la résistance à la friabilité des granulés dadditifs compactés. Ces adjuvants de compactage ne migrent pas pendant le processus de compactage et après lintroduction dans la résine polymère et nont ainsi pas deffets négatifs. Le mélange dadditifs peut contenir divers additifs appropriés en plus des adjuvants de compactage.
Chatterjee Ananda M.
D'uva Salvatore
Lafrance Tania M.
Ingenia Polymers Inc.
Kirby Eades Gale Baker
LandOfFree
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