BR7704172A - Processo aperfeicoado para polimerizar etileno - Google Patents

Processo aperfeicoado para polimerizar etileno

Info

Publication number
BR7704172A
BR7704172A BR7704172A BR7704172A BR7704172A BR 7704172 A BR7704172 A BR 7704172A BR 7704172 A BR7704172 A BR 7704172A BR 7704172 A BR7704172 A BR 7704172A BR 7704172 A BR7704172 A BR 7704172A
Authority
BR
Brazil
Prior art keywords
polymerizing ethylene
perfect process
perfect
polymerizing
ethylene
Prior art date
Application number
BR7704172A
Other languages
English (en)
Inventor
S Nakai
M Shimizu
F Hiki
S Kita
Original Assignee
Sumitomo Chemical Co
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 Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of BR7704172A publication Critical patent/BR7704172A/pt

Links

Classifications

    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—Ethene
    • 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
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/04—Pressure vessels, e.g. autoclaves
    • B01J3/042—Pressure vessels, e.g. autoclaves in the form of a tube

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
BR7704172A 1976-06-29 1977-06-27 Processo aperfeicoado para polimerizar etileno BR7704172A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7730076A JPS532585A (en) 1976-06-29 1976-06-29 Preparation of polyethylene

Publications (1)

Publication Number Publication Date
BR7704172A true BR7704172A (pt) 1978-03-28

Family

ID=13630037

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7704172A BR7704172A (pt) 1976-06-29 1977-06-27 Processo aperfeicoado para polimerizar etileno

Country Status (11)

Country Link
US (1) US4085266A (pt)
JP (1) JPS532585A (pt)
BR (1) BR7704172A (pt)
CA (1) CA1065544A (pt)
DE (1) DE2729103A1 (pt)
FR (1) FR2356677A1 (pt)
GB (1) GB1538633A (pt)
HU (1) HU179321B (pt)
MX (1) MX4569E (pt)
NL (1) NL7707167A (pt)
SU (1) SU1075978A3 (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5322582A (en) * 1976-08-13 1978-03-02 Sumitomo Chem Co Ltd Production of polyethylene
US4282339A (en) * 1978-10-02 1981-08-04 National Distillers And Chemical Corp. Dual reactor process and apparatus for polymerizing ethylene
US4252924A (en) * 1979-04-05 1981-02-24 E. I. Du Pont De Nemours And Company Continuous process for the preparation of nonrandom ethylene/acid copolymer
US4607086A (en) * 1979-04-05 1986-08-19 E. I. Du Pont De Nemours And Company Continuous process for the manufacture of low-density polyethylene in stirred autoclaves
JPS5819284U (ja) * 1981-07-30 1983-02-05 リコーエレメックス株式会社 時計のカレンダ−機構
US4979987A (en) * 1988-07-19 1990-12-25 First Miss Gold, Inc. Precious metals recovery from refractory carbonate ores
NO178790C (no) * 1993-12-13 1996-06-05 Borealis Holding As Fremgangsmåte ved fremstilling av olefinpolymerer i en autoklavrektor
US5648438A (en) * 1994-04-01 1997-07-15 Exxon Chemical Patents, Inc. Process for producing polymers with multimodal molecular weight distributions
ATE275590T1 (de) 1998-01-12 2004-09-15 Dow Global Technologies Inc Äthylenpolymere mittlerer dichte, verfahren zur herstellung dieser polymere und verwendung von carbonyl-haltigen kettenübertragungsmitteln in diesem verfahren
US6407191B1 (en) 1998-01-12 2002-06-18 The Dow Chemical Company Medium density ethylene polymers, a process to prepare these polymers and use of carbonyl group containing chain transfer agents in this process
JP2005097483A (ja) * 2003-09-26 2005-04-14 Sumitomo Chemical Co Ltd 高圧ラジカル重合法ポリエチレン
US7604783B2 (en) * 2004-12-22 2009-10-20 Placer Dome Technical Services Limited Reduction of lime consumption when treating refractor gold ores or concentrates
US8061888B2 (en) * 2006-03-17 2011-11-22 Barrick Gold Corporation Autoclave with underflow dividers
US8252254B2 (en) * 2006-06-15 2012-08-28 Barrick Gold Corporation Process for reduced alkali consumption in the recovery of silver
CN102099385B (zh) * 2008-07-10 2015-01-07 北欧化工股份公司 一种聚合物的生产工艺以及用于电线电缆的聚合物
KR101707696B1 (ko) * 2009-03-31 2017-02-16 다우 글로벌 테크놀로지스 엘엘씨 불균질 에틸렌/알파-올레핀 혼성중합체로부터 제조된 필름
ES2380568T3 (es) * 2009-11-10 2012-05-16 Basell Polyolefine Gmbh LDPE de alta presión, para aplicaciones médicas
US20110172354A1 (en) * 2010-01-04 2011-07-14 Dow Global Technologies Inc. Ethylene-based polymer compositions for use in fiber applications
US8653207B1 (en) * 2012-11-30 2014-02-18 Westlake Longview Corporation Process and apparatus for polymerizing ethylene under ultra-high pressure
EP3168239A1 (en) * 2015-11-10 2017-05-17 Dow Global Technologies LLC High pressure free radical polymerizations
EP3168237A1 (en) * 2015-11-10 2017-05-17 Dow Global Technologies LLC High pressure, free radical polymerizations to produce ethylene-based polymers
EP3168238A1 (en) * 2015-11-10 2017-05-17 Dow Global Technologies LLC Ethylene-based polymers formed by high pressure free radical polymerizations
EP3260472A1 (en) * 2016-06-24 2017-12-27 Dow Global Technologies LLC Ethylene-based polymers formed by high pressure free radical polymerizations
JP2022156612A (ja) * 2021-03-31 2022-10-14 住友化学株式会社 ポリエチレンの製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA676159A (en) * 1963-12-17 C. Hull David Ethylene resins
US2964515A (en) * 1957-07-01 1960-12-13 Nat Distillers Chem Corp Ethylene polymerization process
US3178404A (en) * 1959-12-23 1965-04-13 Eastman Kodak Co Preparation of polyethylene in a two zone reactor employing caprylyl peroxide in the first zone as the catalyst
US3756996A (en) * 1964-10-02 1973-09-04 Nat Distillers Chem Corp Process for the production of ethylene polymers
US3536693A (en) * 1968-01-31 1970-10-27 Eastman Kodak Co Process for preparing polyethylene having improved properties
GB1208120A (en) * 1968-02-01 1970-10-07 Ici Ltd Ethylene polymerisation
NL160292C (nl) * 1969-09-19 1979-10-15 Stamicarbon Werkwijze en reactor voor het continu polymeriseren van etheen.
US3875128A (en) * 1973-05-04 1975-04-01 Sumitomo Chemical Co Process and apparatus for producing ethylene polymer
US3923767A (en) * 1974-08-22 1975-12-02 Gulf Research Development Co Ethylene polymerization process in the presence of quinone alkides
US3963690A (en) * 1974-10-07 1976-06-15 The Dow Chemical Company Polymerization of ethylene in stirred autoclave with cooled inner wall
NO144570C (no) * 1974-12-16 1981-09-23 Standard Oil Co Kontinuerlig fremgangsmaate ved dampfasepolymerisering av en fordampbar polymer, samt apparat for utfoerelse av fremgangsmaaten

Also Published As

Publication number Publication date
CA1065544A (en) 1979-10-30
US4085266A (en) 1978-04-18
FR2356677B1 (pt) 1981-03-06
DE2729103A1 (de) 1978-01-12
FR2356677A1 (fr) 1978-01-27
JPS5415904B2 (pt) 1979-06-18
NL7707167A (nl) 1978-01-02
JPS532585A (en) 1978-01-11
SU1075978A3 (ru) 1984-02-23
HU179321B (en) 1982-09-28
GB1538633A (en) 1979-01-24
MX4569E (es) 1982-06-17

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