Formation and growth of polypropylene and polyethylene particles during the polymerization of Olefins on deposited catalysts

Mkrtchyan, S.A.; Uvarov, B. A.; Tsvetkova, V. I.; Tovmasyan, Yu. M.; Chistyakov, S.O.; Rachinskii, G.F.; D'yachkovskii, F.S.

doi:10.1016/0032-3950(86)90052-3

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Physicochemical Phenomena2

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Cited by 7 publications

(2 citation statements)

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“…This plant was started up on June 1991 and has produced specialty linear ethylene-based polymers called EXACT resins: about 20 grades with a range of densities from 0.865 to 0.935 g/cm3 (Mod. Plast., 1991;SRI, 1993; Montagna and Floyd, 1993;Rogers, 1993a).…”

Section: Physicochemical Phenomenamentioning

confidence: 99%

See 1 more Smart Citation

Gas Phase Ethylene Polymerization: Production Processes, Polymer Properties, and Reactor Modeling

Xie¹,

McAuley²,

Hsu³

et al. 1994

Ind. Eng. Chem. Res.

236

202

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Section: Physicochemical Phenomenamentioning

confidence: 99%

“…The size of catalyst particle in the final polymer matrix is in the range of 200 to 500 A. Mkrtchyan et al (1986) used microspherical mesoporous copolymers of styrene and divinylbenzene as a catalyst support, and found that the microspheres of support polymer also dispersed in the polyethylene matrix.…”

Section: Physicochemical Phenomenamentioning

confidence: 99%

Gas Phase Ethylene Polymerization: Production Processes, Polymer Properties, and Reactor Modeling

Xie¹,

McAuley²,

Hsu³

et al. 1994

Ind. Eng. Chem. Res.

236

202

View full text Add to dashboard Cite

Functionalized polystyrene as a versatile support for olefin polymerization catalysts

Roscoe

Gong

Fréchet

et al. 2000

J. Polym. Sci. A Polym. Chem.

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Polymerization of olefins through heterogeneous catalysis. IX. Experimental study of propylene polymerization over a high activity MgCl₂‐supported Ti catalyst

Hutchinson

Ray

1991

J of Applied Polymer Sci

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SYNOPSISResults from an experimental study of propylene polymerization in heptane diluent over a high activity Mg-supported Ti catalyst are presented. The study provides an examination of the effect of operating conditions on polymerization rate, product melt index, and powder bulk density. Among the findings are that product bulk density decreases with increasing operating temperature and decreasing operating pressure while prepolymerization increases the bulk density. The results support the hypothesis that polymer morphology is closely linked to mass transfer limitations within the growing polymer particle during the early stages of polymerization.

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Formation and growth of polypropylene and polyethylene particles during the polymerization of Olefins on deposited catalysts

Cited by 7 publications

References 11 publications

Gas Phase Ethylene Polymerization: Production Processes, Polymer Properties, and Reactor Modeling

Gas Phase Ethylene Polymerization: Production Processes, Polymer Properties, and Reactor Modeling

Functionalized polystyrene as a versatile support for olefin polymerization catalysts

Polymerization of olefins through heterogeneous catalysis. IX. Experimental study of propylene polymerization over a high activity MgCl₂‐supported Ti catalyst

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Formation and growth of polypropylene and polyethylene particles during the polymerization of Olefins on deposited catalysts

Cited by 7 publications

References 11 publications

Gas Phase Ethylene Polymerization: Production Processes, Polymer Properties, and Reactor Modeling

Gas Phase Ethylene Polymerization: Production Processes, Polymer Properties, and Reactor Modeling

Functionalized polystyrene as a versatile support for olefin polymerization catalysts

Polymerization of olefins through heterogeneous catalysis. IX. Experimental study of propylene polymerization over a high activity MgCl2‐supported Ti catalyst

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Polymerization of olefins through heterogeneous catalysis. IX. Experimental study of propylene polymerization over a high activity MgCl₂‐supported Ti catalyst