MX4569E - Procedimiento mejorado para la obtencion de polietileno de baja densidad - Google Patents
Procedimiento mejorado para la obtencion de polietileno de baja densidadInfo
- Publication number
- MX4569E MX4569E MX775849U MX584977U MX4569E MX 4569 E MX4569 E MX 4569E MX 775849 U MX775849 U MX 775849U MX 584977 U MX584977 U MX 584977U MX 4569 E MX4569 E MX 4569E
- Authority
- MX
- Mexico
- Prior art keywords
- density polyethylene
- improved procedure
- obtaining low
- obtaining
- procedure
- Prior art date
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)
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 |
---|---|
MX4569E true MX4569E (es) | 1982-06-17 |
Family
ID=13630037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX775849U MX4569E (es) | 1976-06-29 | 1977-06-28 | Procedimiento mejorado para la obtencion de polietileno de baja densidad |
Country Status (11)
Country | Link |
---|---|
US (1) | US4085266A (es) |
JP (1) | JPS532585A (es) |
BR (1) | BR7704172A (es) |
CA (1) | CA1065544A (es) |
DE (1) | DE2729103A1 (es) |
FR (1) | FR2356677A1 (es) |
GB (1) | GB1538633A (es) |
HU (1) | HU179321B (es) |
MX (1) | MX4569E (es) |
NL (1) | NL7707167A (es) |
SU (1) | SU1075978A3 (es) |
Families Citing this family (24)
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 |
BRPI0915561B1 (pt) * | 2008-07-10 | 2019-04-24 | Borealis Ag | Processo para a produção de um polímero e polímero para aplicações em cabos e arames |
ES2568504T3 (es) * | 2009-03-31 | 2016-04-29 | Dow Global Technologies Llc | Película hecha a partir de un interpolímero de etileno/alfa-olefina heterogéneo |
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 |
EP3168238A1 (en) * | 2015-11-10 | 2017-05-17 | Dow Global Technologies LLC | Ethylene-based polymers formed by high pressure free radical polymerizations |
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 |
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)
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 |
-
1976
- 1976-06-29 JP JP7730076A patent/JPS532585A/ja active Granted
-
1977
- 1977-06-13 US US05/805,908 patent/US4085266A/en not_active Expired - Lifetime
- 1977-06-27 BR BR7704172A patent/BR7704172A/pt unknown
- 1977-06-27 SU SU772498149A patent/SU1075978A3/ru active
- 1977-06-28 FR FR7719762A patent/FR2356677A1/fr active Granted
- 1977-06-28 DE DE19772729103 patent/DE2729103A1/de not_active Ceased
- 1977-06-28 HU HU77SU948A patent/HU179321B/hu not_active IP Right Cessation
- 1977-06-28 NL NL7707167A patent/NL7707167A/xx not_active Application Discontinuation
- 1977-06-28 MX MX775849U patent/MX4569E/es unknown
- 1977-06-28 CA CA281,526A patent/CA1065544A/en not_active Expired
- 1977-06-29 GB GB27291/77A patent/GB1538633A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7707167A (nl) | 1978-01-02 |
JPS532585A (en) | 1978-01-11 |
BR7704172A (pt) | 1978-03-28 |
HU179321B (en) | 1982-09-28 |
DE2729103A1 (de) | 1978-01-12 |
JPS5415904B2 (es) | 1979-06-18 |
SU1075978A3 (ru) | 1984-02-23 |
CA1065544A (en) | 1979-10-30 |
FR2356677B1 (es) | 1981-03-06 |
US4085266A (en) | 1978-04-18 |
FR2356677A1 (fr) | 1978-01-27 |
GB1538633A (en) | 1979-01-24 |
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