FR1378308A - Continuous process for the production of polyacrylonitrile and its copolymers in dimethylformamide - Google Patents

Continuous process for the production of polyacrylonitrile and its copolymers in dimethylformamide

Info

Publication number
FR1378308A
FR1378308A FR950240A FR950240A FR1378308A FR 1378308 A FR1378308 A FR 1378308A FR 950240 A FR950240 A FR 950240A FR 950240 A FR950240 A FR 950240A FR 1378308 A FR1378308 A FR 1378308A
Authority
FR
France
Prior art keywords
polyacrylonitrile
dimethylformamide
copolymers
production
continuous process
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
FR950240A
Other languages
French (fr)
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.)
Akademie der Wissenschaften der DDR
Original Assignee
Akademie der Wissenschaften der DDR
Deutsche Akademie der Wissenschaften zu Berlin
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
Priority to DED35265A priority Critical patent/DE1163027B/en
Application filed by Akademie der Wissenschaften der DDR, Deutsche Akademie der Wissenschaften zu Berlin filed Critical Akademie der Wissenschaften der DDR
Priority to FR950240A priority patent/FR1378308A/en
Priority to US402742A priority patent/US3276746A/en
Application granted granted Critical
Publication of FR1378308A publication Critical patent/FR1378308A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/09—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/36—Polymerisation in solid state
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/42—Nitriles
    • C08F20/44—Acrylonitrile
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/12—Underwater drilling
    • E21B7/128—Underwater drilling from floating support with independent underwater anchored guide base

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
FR950240A 1961-01-26 1963-10-10 Continuous process for the production of polyacrylonitrile and its copolymers in dimethylformamide Expired FR1378308A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DED35265A DE1163027B (en) 1961-01-26 1961-01-26 Process and device for the continuous production of polyacrylonitrile and its copolymers in dimethylformamide
FR950240A FR1378308A (en) 1963-10-10 1963-10-10 Continuous process for the production of polyacrylonitrile and its copolymers in dimethylformamide
US402742A US3276746A (en) 1963-10-10 1964-10-09 Stabilizing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR950240A FR1378308A (en) 1963-10-10 1963-10-10 Continuous process for the production of polyacrylonitrile and its copolymers in dimethylformamide

Publications (1)

Publication Number Publication Date
FR1378308A true FR1378308A (en) 1964-11-13

Family

ID=8814146

Family Applications (1)

Application Number Title Priority Date Filing Date
FR950240A Expired FR1378308A (en) 1961-01-26 1963-10-10 Continuous process for the production of polyacrylonitrile and its copolymers in dimethylformamide

Country Status (2)

Country Link
US (1) US3276746A (en)
FR (1) FR1378308A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3313346A (en) * 1964-12-24 1967-04-11 Chevron Res Continuous tubing well working system
FR1491209A (en) * 1965-03-26 1967-08-11 Inst Francais Du Petrole Device for handling and assembling rigid tubular elements on board a floating installation
DE1251705B (en) * 1965-12-06 1967-10-12 The British Petroleum Company Limited, London Compensation arrangement for wire rope work from a floating drilling station
US3403728A (en) * 1965-12-17 1968-10-01 Transp Engineering Inc Apparatus for the suspension of well bore devices
FR1540288A (en) * 1966-12-28 1968-09-27 Inst Francais Du Petrole Equipment for inserting tools or instruments into a submerged well from a floating installation
US3469820A (en) * 1967-07-05 1969-09-30 Ocean Science & Eng Drill pipe stabilizing apparatus
US3490550A (en) * 1967-07-14 1970-01-20 Ocean Science & Eng Vibratory coring apparatus
US3435906A (en) * 1967-08-24 1969-04-01 Chevron Res Method and apparatus for offshore deep drilling from a floating platform
US3500905A (en) * 1968-05-23 1970-03-17 Shell Oil Co Apparatus for use with underwater wells
US3662991A (en) * 1970-04-07 1972-05-16 Rostislav Ivanovich Lakiza Crane device for preventing collision of load with seacraft in rough weather
US3791628A (en) * 1972-07-26 1974-02-12 Ocean Science & Eng Motion compensated crown block system
US4252190A (en) * 1979-02-22 1981-02-24 Standard Oil Company (Indiana) Wireline stabilization method and apparatus
US4570245A (en) * 1983-04-18 1986-02-11 Western Geophysical Company Of America Constant tensioner for a seismic marine cable
US4581723A (en) * 1983-04-18 1986-04-08 Western Geophysical Company Of America Method for maintaining a constant tension on a seismic marine cable

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001396A (en) * 1958-02-14 1961-09-26 James L Cleveland Apparatus for maintaining proper depth correlation in well logging apparatus
US3088710A (en) * 1962-02-26 1963-05-07 Elmer C Evans Method and apparatus for depth regulation
NL295697A (en) * 1962-07-24
US3158206A (en) * 1962-07-26 1964-11-24 Lamphere Jean K Hydraulic weight control and compensating apparatus
US3208728A (en) * 1962-11-19 1965-09-28 Exxon Production Research Co Apparatus for use on floating drilling platforms
US3189196A (en) * 1963-01-25 1965-06-15 Westinghouse Electric Corp Load maneuvering apparatus

Also Published As

Publication number Publication date
US3276746A (en) 1966-10-04

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