Abstract:
This invention relates to a co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(−0.94 (mole % ethylene incorporated)+100), when 10 to 60 mole % ethylene is present in the co-oligomer, and 2) X=45, when greater than 60 and less than 70 mole % ethylene is present in the co-oligomer, and 3) X=(1.83*(mole % ethylene incorporated)−83), when 70 to 90 mole % ethylene is present in the co-oligomer. This invention also relates to a homo-oligomer, comprising propylene, wherein the oligomer has: at least 93% allyl chain ends, an Mn of about 500 to about 20,000 g/mol, an isobutyl chain end to allylic vinyl group ratio of 0.8:1 to 1.2:1.0, and less than 100 ppm aluminum. This invention also relates to a process of making homo-oligomer, comprising propylene, wherein the productivity is greater than 4500 g/mmol Hf (or Zr)/hour.
Abstract:
Disclosed herein are certain propylene-based metal polymerals and their use in modifying surfaces, and, in general, metal polymerals used in modifying surfaces. In one aspect is a metal polymeryl comprising compounds having the general formula: MR3-nR′n; wherein each R group is a hydrogen or C1 to C10 or C20 alkyl, and each R′ group is selected from propylene-based polymers having an Mn of at least 300 g/mole; n is 1, 2, or 3; and M is a Group 12 or 13 metal, preferably aluminum or zinc; wherein the first portion of the R′ group bound to the metal M is a —CH2CH2— group, and the terminal portion of the R′ group is isobutyl. Surfaces that are modified or “solubilized” include particles of silica or alumina, glass, metal, clay and other hydroxyl-containing materials of all sizes.
Abstract:
This invention relates to a reaction product obtained by contacting a polymer comprising units derived from dicyclopentadiene with a vinyl terminated macromonomer, a vinyl monomer or a vinylene monomer, in the presence of a metathesis catalyst, where the vinyl monomer or vinylene monomer is represented by the formula: wherein each X is, independently, —CO2R, —CONR1R2, CN, a C1 to a C20 alkyl group; R is a C1 to a C20 alkyl group or an aromatic group; each R1 and R2 is, independently, a hydrogen, a C1 to a C20 alkyl group, or an aromatic group; each R5 is, independently, a hydrogen atom or a C1 to a C40 alkyl group; each Ar is, independently, an aromatic group; and each n is, independently, from 0 to about 40.
Abstract:
This invention relates to a polyolefin composition comprising one or more of the following formulae: wherein the PO is the residual portion of a vinyl terminated macromonomer (VTM) having had a terminal unsaturated carbon of an allylic chain and a vinyl carbon adjacent to the terminal unsaturated carbon; and wherein the VTM is preferably a vinyl terminated polymer having greater than 30% allyl chain ends with an Mn of greater than 10,000.
Abstract:
This invention relates to processes to produce polyethylene involving contacting ethylene with a metallocene catalyst system; wherein the catalyst system comprises: a stoichiometric activator; and a metallocene compound. The metallocene catalyst system is also disclosed.