Patent classifications
B01J31/0234
Processes for making polyisobutylene compositions
Methods of making polyisobutylene and catalyst systems are described. Polyisobutylene compositions and catalyst system compositions are also described. In some embodiments, a method of making a catalyst system includes: providing a support material; calcining the support material; and forming a catalyst system by adding to the support material (a) a mixture comprising BF.sub.3, (b) a mixture comprising BF.sub.3 and a complexing agent, or (c) both. In some embodiments, a method of making a polymer composition includes providing a catalyst system comprising: (a) a support material selected from the group consisting of Al.sub.2O.sub.3, ZrO.sub.2, TiO.sub.2, SnO.sub.2, CeO.sub.2, SiO.sub.2, SiO.sub.2/Al.sub.2O.sub.3, and combinations thereof; and (b) BF.sub.3; providing a feedstock comprising isobutylene; forming a reaction mixture comprising the feedstock and the catalyst system; contacting the isobutylene with the catalyst system; and obtaining a polymer composition.
Processes for making polyisobutylene compositions
Methods of making polyisobutylene and catalyst systems are described. Polyisobutylene compositions and catalyst system compositions are also described. In some embodiments, a method of making a catalyst system includes: providing a support material comprising one or more ion exchange resins; dehydrating the support material; and forming a catalyst system by adding to the support material (a) a mixture comprising BF.sub.3, (b) a mixture comprising BF.sub.3 and a complexing agent, or (c) both. In some embodiments, a method of making a polymer composition includes providing a catalyst system comprising: (a) a support material comprising one or more ion exchange resins, and (b) BF.sub.3; providing a feedstock comprising isobutylene; forming a reaction mixture comprising the feedstock and the catalyst system; contacting the isobutylene with the catalyst system; and obtaining a polymer composition.
Composition and a method of making and use of such composition
A composition and method of making such a composition that has application in the hydroprocessing of hydrocarbon feedstocks. The method comprises selecting an organic additive by the use of a correlation model for predicting catalytic activity as a function of a physical property that is associated with the organic additive and incorporating the organic additive into a support material to provide the additive impregnated composition.
Complex, Preparation Methods and Application Thereof
The invention is directed to a complex, including: a porous composite carrier including: a porous organic foam material containing open pores, each pore comprising a wall defining the pore; and a crosslinked product having aldehyde groups and immobilized on the surface of the walls of one or more pores of the porous organic foam materials, and a protein, polypeptide, or oligopeptide immobilized onto the porous composite carrier through a reaction between an amino group of the protein, polypeptide or oligopeptide and an aldehyde group of the composite carrier. The immobilized product has high specific surface area and high specific activity. The immobilization is simple and in low cost, and is suitable for industrial application.
PROCESSES FOR MAKING POLYISOBUTYLENE COMPOSITIONS
Methods of making polyisobutylene and catalyst systems are described. Polyisobutylene compositions and catalyst system compositions are also described. In some embodiments, a method of making a catalyst system includes: providing a support material; calcining the support material; and forming a catalyst system by adding to the support material (a) a mixture comprising BF.sub.3, (b) a mixture comprising BF.sub.3 and a complexing agent, or (c) both. In some embodiments, a method of making a polymer composition includes providing a catalyst system comprising: (a) a support material selected from the group consisting of Al.sub.2O.sub.3, ZrO.sub.2, TiO.sub.2, SnO.sub.2, CeO.sub.2, SiO.sub.2, SiO.sub.2/Al.sub.2O.sub.3, and combinations thereof; and (b) BF.sub.3; providing a feedstock comprising isobutylene; forming a reaction mixture comprising the feedstock and the catalyst system; contacting the isobutylene with the catalyst system; and obtaining a polymer composition.
PROCESSES FOR MAKING POLYISOBUTYLENE COMPOSITIONS
Methods of making polyisobutylene and catalyst systems are described. Polyisobutylene compositions and catalyst system compositions are also described. In some embodiments, a method of making a catalyst system includes: providing a support material comprising one or more ion exchange resins; dehydrating the support material; and forming a catalyst system by adding to the support material (a) a mixture comprising BF.sub.3, (b) a mixture comprising BF3 and a complexing agent, or (c) both. In some embodiments, a method of making a polymer composition includes providing a catalyst system comprising: (a) a support material comprising one or more ion exchange resins, and (b) BF.sub.3; providing a feedstock comprising isobutylene; forming a reaction mixture comprising the feedstock and the catalyst system; contacting the isobutylene with the catalyst system; and obtaining a polymer composition.
Processes for making polyisobutylene compositions
Methods of making polyisobutylene and catalyst systems are described. Polyisobutylene compositions and catalyst system compositions are also described. In some embodiments, a method of making a catalyst system includes: providing a support material; calcining the support material; and forming a catalyst system by adding to the support material (a) a mixture comprising BF.sub.3, (b) a mixture comprising BF.sub.3 and a complexing agent, or (c) both. In some embodiments, a method of making a polymer composition includes providing a catalyst system comprising: (a) a support material selected from the group consisting of Al.sub.2O.sub.3, ZrO.sub.2, TiO.sub.2, SnO.sub.2, CeO.sub.2, SiO.sub.2, SiO.sub.2/Al.sub.2O.sub.3, and combinations thereof; and (b) BF.sub.3; providing a feedstock comprising isobutylene; forming a reaction mixture comprising the feedstock and the catalyst system; contacting the isobutylene with the catalyst system; and obtaining a polymer composition.
PROCESSES FOR MAKING POLYISOBUTYLENE COMPOSITIONS
Methods of making polyisobutylene and catalyst systems are described. Polyisobutylene compositions and catalyst system compositions are also described. In some embodiments, a method of making a catalyst system includes: providing a support material; calcining the support material; and forming a catalyst system by adding to the support material (a) a mixture comprising BF.sub.3, (b) a mixture comprising BF.sub.3 and a complexing agent, or (c) both. In some embodiments, a method of making a polymer composition includes providing a catalyst system comprising: (a) a support material selected from the group consisting of Al.sub.2O.sub.3, ZrO.sub.2, TiO.sub.2, SnO.sub.2, CeO.sub.2, SiO.sub.2, SiO.sub.2/Al.sub.2O.sub.3, and combinations thereof; and (b) BF.sub.3; providing a feedstock comprising isobutylene; forming a reaction mixture comprising the feedstock and the catalyst system; contacting the isobutylene with the catalyst system; and obtaining a polymer composition.
Electrode catalyst and method for producing the same
An electrode catalyst obtained by calcining a metal phthalocyanine polymer having a repeating structural unit obtained by the amide bonding of a structural unit represented by general formula (1a) to a structural unit represented by general formula (2a) to form a calcined body, then treating the calcined body with an acid. Formula (1a) (wherein L is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table.) Formula (2a) (wherein M is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table.)
Electrode Catalyst and Method for Producing the Same
An electrode catalyst obtained by calcining a metal phthalocyanine polymer having a repeating structural unit obtained by the amide bonding of a structural unit represented by general formula (1a) to a structural unit represented by general formula (2a) to form a calcined body, then treating the calcined body with an acid. Formula (1a) (wherein L is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table.) Formula (2a) (wherein M is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table.)