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1. CN103052611 - α-甲基苯乙烯的制备方法

Office China
Application Number 201180037274.2
Application Date 10.10.2011
Publication Number 103052611
Publication Date 17.04.2013
Grant Number 103052611
Grant Date 10.02.2016
Publication Kind B
IPC
C07C 5/333
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
5Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
32by dehydrogenation with formation of free hydrogen
327Formation of non-aromatic carbon-to-carbon double bonds only
333Catalytic processes
C07C 15/46
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
15Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part
40substituted by unsaturated hydrocarbon radicals
42monocyclic
44the hydrocarbon substituent containing a carbon-to-carbon double bond
46Styrene; Ring-alkylated styrenes
B01J 23/38
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
23Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/113
38of noble metals
CPC
C07C 1/24
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
1Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
20starting from organic compounds containing only oxygen atoms as heteroatoms
24by elimination of water
B01J 21/18
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
21Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
18Carbon
B01J 23/44
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
23Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
38of noble metals
40of the platinum group metals
44Palladium
C07C 29/15
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
29Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
15by reduction of oxides of carbon exclusively
C07C 2521/06
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
2521Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
C07C 2521/18
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
2521Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
18Carbon
Applicants LG化学株式会社
Inventors 河丞柏
俞锡俊
曹东铉
Agents 北京鸿元知识产权代理有限公司 11327
北京鸿元知识产权代理有限公司 11327
Title
(ZH) α-甲基苯乙烯的制备方法
Abstract
(ZH)

本发明涉及一种α-甲基苯乙烯的制备方法,所述方法在低浓度和低温度的最稳定化的条件下,通过在苯酚制备工艺由异丙苯的氧化所获得的过氧化氢异丙苯的选择性加氢工艺,降低随浓度增加而发生的过氧化氢异丙苯进行加氢反应时的爆炸危险性,使选择性提高至90%以上,从而使异丙苯醇的量增加,最终使α-甲基苯乙烯的量选择性地增加,因此可通过控制过氧化氢异丙苯的量来控制α-甲基苯乙烯的生产量,以使其符合市场需要。