WebJan 1, 1979 · Copolymerization of ethylene and hexene has been carried out using Phillips' catalysts (chromium oxide deposited on silica) modified with small amounts of triethylaluminium [Al (C 2 H 5) 3 ], without solvent other than hexene itself and under constant ethylene pressure. WebThis system demonstrated high activities (up to 2.5 × 10 5 g mol −1 h −1), very high copolymer molecular weights (M n up to 306,700), high comonomer incorporation ... and copolymerize ethylene with α-olefins such as 1-hexene, 1-octadecene, and tert-butyldimethyl(dec-9-en-1-yloxy) silane with no decrease in activity. However, the catalyst ...
Ethylene homopolymerization and copolymerization with 1-hexene and 1 ...
WebApr 13, 2024 · The obtained copolymers possess high molecular weights (M w = 1.4 × 10 6 —ethylene/1-hexene and 1.86 × 10 6 —ethylene/1-octene) with broad MWD (M w /M n = 3.04–8.23) and high comonomer incorporation degrees (up to 6.2 mol% of 1-hexene and 7.8 mol% of 1-octene). Depending on the synthesis conditions, it is possible to form both … WebJun 25, 2024 · Propylene-based random copolymers with either ethylene or 1-hexene as comonomer, produced using a metallocene catalyst, were studied regarding their crystallization behaviors, with a focus on rapid cooling. To get an impression of processing effects, fast scanning chip calorimetry (FSC) was used in addition to the characterization … olay definity correcting lotion
Ethylene-1-hexene - Big Chemical Encyclopedia
WebAn ethylene/1-hexene copolymer satisfying the following (a1) to (a5) conditions: (a1) a shear viscosity, as measured at 210°C and a shear rate of 1/1000 sec using a capillary … WebJun 3, 2024 · Exceed 2024MB is an ethylene 1-hexene copolymer. Films made from Exceed 2024MB have outstanding tensile, impact strength, and puncture. These … WebEffect of 1-Hexene Concentration on the Copolymeriza-tion Activity and 1-Hexene Reactivity. Both activity and incorporating ability are most important factors for the α-olefin/ethylene copolymerization. A series of copolymeriza-tions of ethylene and 1-hexene were carried out for 20 min at 70 oC by using 6 different catalysts in a wide range of ... olay combination skin