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An Atmosphere-Switching Polymerization Process: A Novel Strategy to Advanced Polyolefin Materials

Abstract : SignificanceWe report on a novel atmosphere-switching polymerization process (ASPP) that produces advanced polyolefin materials with high performance in a single polymerization reactor through unique monomer feeding policies. In the ASPP, each polymer particle is exposed to atmosphere A and atmosphere B in an alternating manner and time and again. As a result, polymer A and polymer B are formed within the polymer particle in an alternating manner and time and again too. Two types of polypropylene (PP) in-reactor alloys are prepared: impact polypropylene copolymers (IPCs) with an exceptional stiffness-toughness balance and soft polypropylene alloys (SPPs) with well-defined, high-rubber content sticking-free particles.
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https://hal.univ-lorraine.fr/hal-01278795
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Submitted on : Wednesday, February 24, 2016 - 6:10:58 PM
Last modification on : Wednesday, February 24, 2016 - 6:10:59 PM

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Zhou Tian, Xue-Ping Gu, Lian-Fang Feng, Zhi-Qiang Fan, Guo-Hua Hu. An Atmosphere-Switching Polymerization Process: A Novel Strategy to Advanced Polyolefin Materials. AIChE Journal, Wiley, 2013, 59 (12), pp.4468-4473. ⟨10.1002/aic.14248⟩. ⟨hal-01278795⟩

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