GB1326515A - Process for depolymerizing dicyclopentadiene - Google Patents

Process for depolymerizing dicyclopentadiene

Info

Publication number
GB1326515A
GB1326515A GB84372A GB84372A GB1326515A GB 1326515 A GB1326515 A GB 1326515A GB 84372 A GB84372 A GB 84372A GB 84372 A GB84372 A GB 84372A GB 1326515 A GB1326515 A GB 1326515A
Authority
GB
United Kingdom
Prior art keywords
cyclopentadiene
jan
still
residue
dicyclopentadiene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB84372A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Publication of GB1326515A publication Critical patent/GB1326515A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
    • B01J10/02—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor of the thin-film type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1887—Stationary reactors having moving elements inside forming a thin film
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • C07C4/22—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by depolymerisation to the original monomer, e.g. dicyclopentadiene to cyclopentadiene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00103—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor in a heat exchanger separate from the reactor
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
    • C07C2601/10—Systems containing only non-condensed rings with a five-membered ring the ring being unsaturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB84372A 1971-01-19 1972-01-07 Process for depolymerizing dicyclopentadiene Expired GB1326515A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2102262A DE2102262C2 (de) 1971-01-19 1971-01-19 Verfahren zur Herstellung von Cyclopentadien durch thermische Spaltung von Dicyclopentadien

Publications (1)

Publication Number Publication Date
GB1326515A true GB1326515A (en) 1973-08-15

Family

ID=5796243

Family Applications (1)

Application Number Title Priority Date Filing Date
GB84372A Expired GB1326515A (en) 1971-01-19 1972-01-07 Process for depolymerizing dicyclopentadiene

Country Status (7)

Country Link
US (1) US3772396A (https=)
BE (1) BE778236A (https=)
CA (1) CA983052A (https=)
DE (1) DE2102262C2 (https=)
FR (1) FR2122511B1 (https=)
GB (1) GB1326515A (https=)
NL (1) NL7200595A (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6239300B1 (en) * 1999-02-17 2001-05-29 Phillips Petroleum Company Metallocene production process
US7041862B2 (en) * 2003-03-26 2006-05-09 Equistar Chemicals, Lp Thermal cracking of Diels-Alder adducts
WO2006011873A1 (en) * 2004-06-30 2006-02-02 Albemarle Corporation Cracking of dicyclopentadiene
KR101672238B1 (ko) 2014-11-10 2016-11-04 한국화학연구원 디사이클로펜타디엔 정제용 복합막 및 이의 제조방법
CN113527027B (zh) * 2020-04-15 2025-11-11 中国石油化工股份有限公司 双环戊二烯解聚制备环戊二烯的方法和设备及其应用

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733280A (en) * 1952-09-25 1956-01-31 Recovery of cyclo and methylcyclo
US2801270A (en) * 1953-11-16 1957-07-30 Exxon Research Engineering Co Recovery of cyclodienes with vapor phase cracking

Also Published As

Publication number Publication date
US3772396A (en) 1973-11-13
FR2122511B1 (https=) 1977-07-15
NL7200595A (https=) 1972-07-21
FR2122511A1 (https=) 1972-09-01
BE778236A (fr) 1972-07-19
DE2102262A1 (de) 1972-07-27
DE2102262C2 (de) 1982-01-28
CA983052A (en) 1976-02-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee