C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 297/08 (2006.01) C08F 2/38 (2006.01) C08F 4/646 (2006.01) C08K 5/20 (2006.01) C08L 23/00 (2006.01)
Patent
CA 2601233
Anti-blocking polymer compositions comprise at least one ethylene/.alpha.- olefÊninterpolymer and at least one anti-blocking agent comprising an amide. The ethylene/.alpha.-olefÊn interpolymers are a multi-block copolymer comprising at least one soft block and at least one hard block. The anti- blocking agent can be erucamide or other amides. The anti blocking polymer composition has a pellet blocking strength of equal to or less than (100) lbs/ft2 (4800 Pa). When the anti-blocking polymer composition is made into a film, the film has a blocking force of less than about (100) grams, measured according to ASTM method (D-3354).
L'invention concerne des compositions de polymères anti-adhérents comprenant au moins un interpolymère d'éthylène/a-oléfine et au moins un agent anti-adhérent contenant un amide. Les interpolymères d'éthylène/a-oléfine sont des copolymères multiblocs contenant au moins un bloc mou et au moins un bloc dur. L'agent anti-adhérent peut consister en de l'érucamide ou d'autres amides. La composition de polymères anti-adhérente possédant une force de blocage de granule égale ou inférieure à (100) lbs/ft2 (4800 Pa). Lorsque la composition de polymères anti-adhérente est fabriquée en un film, ce film possède une force de blocage inférieure à environ (100) grammes, mesurée selon le procédé ASTM (D-3354).
Cheung Yunwa Wilson
Hoenig Stephen Mark
Moldovan Daniel G.
Dow Global Technologies Inc.
Smart & Biggar
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