Aqueous Dispersions of Multiphase Polyolefin Particles

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GODIN, Alexandra, Stefan MECKING, 2016. Aqueous Dispersions of Multiphase Polyolefin Particles. In: Macromolecules. 49(21), pp. 8296-8305. ISSN 0024-9297. eISSN 1520-5835. Available under: doi: 10.1021/acs.macromol.6b01818

@article{Godin2016-11-08Aqueo-37328, title={Aqueous Dispersions of Multiphase Polyolefin Particles}, year={2016}, doi={10.1021/acs.macromol.6b01818}, number={21}, volume={49}, issn={0024-9297}, journal={Macromolecules}, pages={8296--8305}, author={Godin, Alexandra and Mecking, Stefan} }

Mecking, Stefan eng Aqueous Dispersions of Multiphase Polyolefin Particles Godin, Alexandra Mecking, Stefan 2017-02-10T12:52:18Z 2017-02-10T12:52:18Z Godin, Alexandra Multiphase polyolefin particles consisting of polyethylenes with different microstructures were synthesized using [κ<sup>2</sup>-(N,O)Ni(II)Me(L)] catalyst precursors via a two-step dispersion-based approach. First, crystalline seed particles were directly generated by aqueous polymerization of ethylene using a water-soluble catalyst precursor or via miniemulsion polymerization. The second softer dispersed phase, consisting of a low crystalline highly branched low molecular weight polyethylene or ethylene–norbornene copolymer, was generated in the presence of this seed via aqueous polymerization using a second water-soluble catalyst precursor or via miniemulsion polymerization. Particles with different nanoscale morphologies, namely core–shell, “dumbbell” or “sea urchin”-like, were formed as observed by TEM and AFM. The obtained nanocomposite dispersions formed continuous semicrystalline films. 2016-11-08

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