METHOD FOR PRODUCING M-T-BUTYLPHENOL IN HIGH CONCENTRATION
PURPOSE:To produce the titled compound in high concentration, by using isobutylene oligomer and phenol as raw materials, controlling the water-content of the raw material mixture within a specific range, and reacting the compounds at a specific humidity in the presence of a catalyst such as syntheti...
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| creator | KUSANO NOBUO KANEKO KEIJI KOBAYASHI TOMOTSUNE MIYAJIMA HIROSHI |
| description | PURPOSE:To produce the titled compound in high concentration, by using isobutylene oligomer and phenol as raw materials, controlling the water-content of the raw material mixture within a specific range, and reacting the compounds at a specific humidity in the presence of a catalyst such as synthetic silica alumina, etc. CONSTITUTION:Isobutylene oligomer, preferably dimer, and phenol are used as the raw materials of the process. The water-content of the raw material mixture is adjusted within the range of formula [W is water-content of the raw material (wt%); t is reaction temperature ( deg.C)], and the compounds are made to react with each other at 230- 300 deg.C in the presence of synthetic silica alumina and/or active clay to obtain the objective compound in high concentration. The raw material mixture is fed to the system at a rate (V/F) of 0.2-6 wherein V is volume of the catalyst and F is volume of the raw material fed to the system per hour. EFFECT:The system can be operated under low pressure by the use of the isobutylene oligomer compared with the case using a 4C olefin, and the initial and running costs of the apparatus can be saved. USE:Raw material of oil-soluble phenolic resin, etc. |
| format | Patent |
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The water-content of the raw material mixture is adjusted within the range of formula [W is water-content of the raw material (wt%); t is reaction temperature ( deg.C)], and the compounds are made to react with each other at 230- 300 deg.C in the presence of synthetic silica alumina and/or active clay to obtain the objective compound in high concentration. The raw material mixture is fed to the system at a rate (V/F) of 0.2-6 wherein V is volume of the catalyst and F is volume of the raw material fed to the system per hour. EFFECT:The system can be operated under low pressure by the use of the isobutylene oligomer compared with the case using a 4C olefin, and the initial and running costs of the apparatus can be saved. 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The water-content of the raw material mixture is adjusted within the range of formula [W is water-content of the raw material (wt%); t is reaction temperature ( deg.C)], and the compounds are made to react with each other at 230- 300 deg.C in the presence of synthetic silica alumina and/or active clay to obtain the objective compound in high concentration. The raw material mixture is fed to the system at a rate (V/F) of 0.2-6 wherein V is volume of the catalyst and F is volume of the raw material fed to the system per hour. EFFECT:The system can be operated under low pressure by the use of the isobutylene oligomer compared with the case using a 4C olefin, and the initial and running costs of the apparatus can be saved. 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The water-content of the raw material mixture is adjusted within the range of formula [W is water-content of the raw material (wt%); t is reaction temperature ( deg.C)], and the compounds are made to react with each other at 230- 300 deg.C in the presence of synthetic silica alumina and/or active clay to obtain the objective compound in high concentration. The raw material mixture is fed to the system at a rate (V/F) of 0.2-6 wherein V is volume of the catalyst and F is volume of the raw material fed to the system per hour. EFFECT:The system can be operated under low pressure by the use of the isobutylene oligomer compared with the case using a 4C olefin, and the initial and running costs of the apparatus can be saved. USE:Raw material of oil-soluble phenolic resin, etc.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | METHOD FOR PRODUCING M-T-BUTYLPHENOL IN HIGH CONCENTRATION |
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