KR840000460A - 큐멘 산화생성물의 분해공정 - Google Patents

큐멘 산화생성물의 분해공정 Download PDF

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Publication number
KR840000460A
KR840000460A KR1019820002607A KR820002607A KR840000460A KR 840000460 A KR840000460 A KR 840000460A KR 1019820002607 A KR1019820002607 A KR 1019820002607A KR 820002607 A KR820002607 A KR 820002607A KR 840000460 A KR840000460 A KR 840000460A
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reaction mixture
mixture
dicumyl peroxide
cumene
temperature
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KR1019820002607A
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KR850001469B1 (ko
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시프니아데스 스틸리아노스 (외 2)
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로이 에이취. 멧신길
알라이드 코오포레이션
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C27/00—Processes involving the simultaneous production of more than one class of oxygen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C409/00—Peroxy compounds
    • C07C409/16—Peroxy compounds the —O—O— group being bound between two carbon atoms not further substituted by oxygen atoms, i.e. peroxides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/08—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by decomposition of hydroperoxides, e.g. cumene hydroperoxide
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C07C39/02—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring monocyclic with no unsaturation outside the aromatic ring
    • C07C39/04—Phenol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C407/00—Preparation of peroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/517—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of peroxy-compounds to >C = O groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/53—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of hydroperoxides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

내용 없음

Description

큐멘 산화생성물의 분해공정
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 공정도. 제2도는 여러온도에서의 반응시간에 따른 비반응 DCP의 퍼셀트와 생성 AMS의 수율을 표시한 그래프.

Claims (8)

  1. 다음 단계들을 포함하여, 큐멘 하이드로퍼옥사이드(CHP) 및 디메틸페닐 카비놀(DMPC)을 포함하는 큐멘산화 생성물을 분해하여 페놀, 아세톤 및 알파-메틸스티렌(AMS)을 제조하는 공정 :
    a) 반응혼합물의 약 0.4-4.5wt 정도되는 물 존재하의 역혼합 반응조에서 큐멘산화생성물을 산촉매와 함께 혼합한 후, 역혼합 반응 혼합물의 CHP 농도를 약 0.5-5.0wt%로 감소시키고 큐멘산화물 혼합물 중의 DMPC의 최소한 40% 이상을 디큐밀 퍼옥사이드(DCP)로 전환하기에 충분한 시간동안 온도를 약 50-90℃로 유지시킴.
    b) 반응혼합물을, 플러그 흐름 조건하에서, 약 0.4wt% 이하의 CHP 농도를 갖는 2차혼합물을 형성하기에 충분한 시간동안 약 50-90℃에서 반응시킴.
    c) 상기 2차혼합물을, 플러그 흐름 조건하에서, 최소한 90% 이상의 DCP를 AMS, 페놀 및 아세톤으로 전환시키기에 충분한 시간동안 약 120-150℃에서 반응시킴.
  2. 역혼합 반응혼합물이 약 0.8-1.5%의 수분 및 130-100ppm의 이산화황 또는 황산을 포함하며 60-80℃로 유지 되는, 주장 1의 공정.
  3. 단계(b)의 반응시간이 CHP 능도를 0.2% 이하로 낮추기에 충분한 정도인, 주장 1의 공정.
  4. 단계(b)로부터의 생성물을 단계(c)의 온도에서 30추이하동안 플러그 흐름조건하에 가열시킨뒤 이어 최소한 30초동안 그 온도를 유지시킴을 특징으로하는, 주장 1의 공정.
  5. 단계(c)동안 DCP 농도를 측정하여 이차반응혼합물중에 약 0.5-5%의 DCP가 미전환 잔류할때 반응 혼합물을 100℃이하로 냉각시키는 단계를 부가적으로 포함하는, 주장 1의 공정.
  6. 다음 단계를 포함하여, 페놀-아세톤-큐멘용액에서 알피-메틸스티렌을 제조하는 방법.
    a) 페놀, 아세톤, 큐멘 및 디큐밀 퍼옥사이드를 포함하는 일차혼합물을 플러그 흐름 조건하에서 120-150℃로 가열함. b) 디큐밀 퍼옥사이드의 능도를 측정함. c) 디큐밀 퍼옥사이드의 농도가 일차혼합물의 디큐밀 퍼옥사이드 농도의 약 0.5-5.0%가 되었을 때 반응혼합물이 100℃ 이하로 냉각하여 알피-메틸스티렌으로부터의 부산물생성을 감소시킴.
  7. 상기 단계(b)가 반응혼합물의 분취량(aliquot)을 기체크로마토그래피로 분석하여 디큐밀 퍼옥사이드 피크의 면적을 측정하는 것을 포함 하는, 주장 6의 방법.
  8. 상기 일차혼합물을 상기온도에서 30초이하동안 가열한후부가적으로 최소한 30초동안 그 온도를 유지시킴을 특징으로 하는, 주장 6 또는 7의 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR8202607A 1981-06-22 1982-06-11 큐멘 산화생성물의 분해공정 KR850001469B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US276,223 1981-06-22
US06/276,233 US4358618A (en) 1981-06-22 1981-06-22 Decomposition of cumene oxidation product
US276223 1994-07-15

Publications (2)

Publication Number Publication Date
KR840000460A true KR840000460A (ko) 1984-02-22
KR850001469B1 KR850001469B1 (ko) 1985-10-10

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Family Applications (1)

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KR8202607A KR850001469B1 (ko) 1981-06-22 1982-06-11 큐멘 산화생성물의 분해공정

Country Status (8)

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US (1) US4358618A (ko)
JP (1) JPS5832831A (ko)
KR (1) KR850001469B1 (ko)
CA (1) CA1178616A (ko)
DE (1) DE3222533A1 (ko)
GB (1) GB2100730B (ko)
IT (1) IT1156366B (ko)
MX (1) MX165355B (ko)

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Publication number Publication date
GB2100730A (en) 1983-01-06
IT8267783A0 (it) 1982-06-21
GB2100730B (en) 1985-08-14
JPH0251408B2 (ko) 1990-11-07
JPS5832831A (ja) 1983-02-25
MX165355B (es) 1992-11-05
CA1178616A (en) 1984-11-27
US4358618A (en) 1982-11-09
KR850001469B1 (ko) 1985-10-10
IT1156366B (it) 1987-02-04
DE3222533C2 (ko) 1990-11-29
DE3222533A1 (de) 1983-01-13

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