ES8305005A1 - Procedimiento para el tratamiento de polietileno de baja densidad lineal con peroxidos organicos generadores de radicales libres. - Google Patents
Procedimiento para el tratamiento de polietileno de baja densidad lineal con peroxidos organicos generadores de radicales libres.Info
- Publication number
- ES8305005A1 ES8305005A1 ES513309A ES513309A ES8305005A1 ES 8305005 A1 ES8305005 A1 ES 8305005A1 ES 513309 A ES513309 A ES 513309A ES 513309 A ES513309 A ES 513309A ES 8305005 A1 ES8305005 A1 ES 8305005A1
- Authority
- ES
- Spain
- Prior art keywords
- organic peroxides
- treating
- free
- density polyethylene
- linear low
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- C08F8/00—Chemical modification by after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/802—Heating
-
- 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
- C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
- C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
-
- 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
- C08F2810/00—Chemical modification of a polymer
- C08F2810/10—Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/26—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/26—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment
- C08J2323/30—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment by oxidation
Landscapes
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
PROCEDIMIENTO PARA EL TRATAMIENTO DE POLIETILENO DE BAJA DENSIDAD LINEAL CON PEROXIDOS ORGANICOS, GENERADORES DE RADICALES LIBRES, ESPECIALMENTE PARA EL TRATAMIENTO DE COPOLIMEROS DEL TIPO _(POLIETILENO DE BAJA DENSIDAD LINEAL . CONSISTE EN SOMETER AL COPOLIMERO A UN TRATAMIENTO TERMOMECANICO EN ESTADO FUNDIDO, A TEMPERATURA INFERIOR A 220 GRADOS Y EN PRESENCIA DE UN PEROXIDO ORGANICO, GENERADOR DE RADICALES LIBRES, EN UNA CANTIDAD COMPRENDIDA ENTRE 0,005 Y UN 1% EN PESO, PREFERIBLEMENTE ENTRE 0,02 Y UN 0,2% EN PESO, DE MANERA QUE EL COPOLIMERO TRATADO TENGA UN INDICE DE RAMIFICACION COMPRENDIDO ENTRE 0,8 Y 0,95 Y DE QUE SU GRADO DE GEL, MEDIDO POR EXTRACCION CON XILENO A EBULLICION, SEA NULO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8112184A FR2508047B1 (fr) | 1981-06-22 | 1981-06-22 | Procede de traitement de polyethylene de basse densite lineaire par des peroxydes organiques, generateurs de radicaux libres |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8305005A1 true ES8305005A1 (es) | 1983-03-16 |
ES513309A0 ES513309A0 (es) | 1983-03-16 |
Family
ID=9259734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES513309A Granted ES513309A0 (es) | 1981-06-22 | 1982-06-21 | Procedimiento para el tratamiento de polietileno de baja densidad lineal con peroxidos organicos generadores de radicales libres. |
Country Status (10)
Country | Link |
---|---|
US (2) | US4460750A (es) |
EP (1) | EP0069603B2 (es) |
JP (1) | JPS585330A (es) |
AT (1) | ATE13187T1 (es) |
CA (1) | CA1169198A (es) |
DE (1) | DE3263649D1 (es) |
ES (1) | ES513309A0 (es) |
FR (1) | FR2508047B1 (es) |
MY (1) | MY8800146A (es) |
PT (1) | PT75072B (es) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5871904A (ja) * | 1981-10-23 | 1983-04-28 | Asahi Chem Ind Co Ltd | 変性エチレン−αオレフィン共重合体の製造方法 |
JPS58194904A (ja) * | 1982-05-11 | 1983-11-14 | Asahi Chem Ind Co Ltd | 変性エチレン−αオレフィン共重合体の製造方法 |
JPS5998111A (ja) * | 1982-11-29 | 1984-06-06 | Tokuyama Soda Co Ltd | 変性ランダム共重合体の製造方法 |
US4578431A (en) * | 1983-08-31 | 1986-03-25 | Mobil Oil Corporation | Process for improving melt strength of ethylene polymers by treatment with organic peroxide |
FR2562546B1 (fr) * | 1984-04-09 | 1987-01-23 | Bp Chimie Sa | Procede de traitement de polyethylene de basse densite lineaire destine a la fabrication par extrusion de corps creux, tubes et gaines |
US4614764A (en) * | 1985-03-06 | 1986-09-30 | Mobil Oil Corporation | Linear low density ethylene polymers blended with modified linear low density ethylene polymers |
FR2592051B1 (fr) * | 1985-12-24 | 1988-10-14 | Charbonnages Ste Chimique | Compositions de polymeres de l'ethylene, un procede pour leur preparation et leur application a l'obtention d'articles industriels |
DE3642266A1 (de) * | 1986-12-11 | 1987-04-23 | Rauer Kurt | Abbau von polyethylen mittels radikalbildner |
DE3742845C2 (de) * | 1987-12-17 | 1996-07-11 | Danubia Petrochem Deutschland | Verfahren zur Herstellung von faserverstärkten Polypropylenbahnen sowie faserverstärkte Polypropylenbahnen |
US5051531A (en) * | 1988-05-31 | 1991-09-24 | Atochem North America, Inc. | Antioxidant-peroxides |
US5110870A (en) * | 1989-01-06 | 1992-05-05 | Mitsubishi Kasei Corporation | Extensible film or sheet and process for producing the same |
US5047485A (en) * | 1989-02-21 | 1991-09-10 | Himont Incorporated | Process for making a propylene polymer with free-end long chain branching and use thereof |
US5073598A (en) * | 1989-06-21 | 1991-12-17 | Mobil Oil Corporation | Method for improving the processing characteristics of polyethylene blends |
US5405917A (en) * | 1992-07-15 | 1995-04-11 | Phillips Petroleum Company | Selective admixture of additives for modifying a polymer |
DE69425725T2 (de) * | 1993-12-24 | 2001-04-19 | Canon Kk | Toner zur Entwicklung elektrostatischer Bilder, Bilderzeugungsverfahren und Prozesskassette |
US5486575A (en) * | 1994-03-08 | 1996-01-23 | Quantum Chemical Corporation | High performance blow molding resins and process for their preparation |
US5756203A (en) * | 1994-12-27 | 1998-05-26 | Mobil Oil Corporation | LLDPE films with improved impact strength |
US5589551A (en) * | 1995-02-22 | 1996-12-31 | Mobil Oil Corporation | Swell reduction of chromium catalyzed HDPE resins by controlled degradation using high temperature peroxides |
EP0755971B1 (en) * | 1995-07-28 | 2002-03-06 | Tosoh Corporation | Molding resin, composition containing the same, and processes for producing them |
ES2161444T3 (es) * | 1996-03-05 | 2001-12-01 | Dow Chemical Co | Poliolefinas con reologia modificada. |
DE69807708T2 (de) | 1997-08-27 | 2003-01-02 | Dow Chemical Co | Elastomere mit verbesserter verarbeitbarkeit |
IT1304499B1 (it) | 1998-12-22 | 2001-03-19 | Enichem Spa | Procedimento per ridurre il peso molecolare di copolimeri eterpolimeri dell'etilene. |
US6248840B1 (en) | 1998-12-28 | 2001-06-19 | Phillips Petroleum Company | Process to produce a composition |
BR9906086B1 (pt) * | 1999-12-21 | 2009-01-13 | aplicaÇço de polietileno linear de baixa densidade (pelbd) modificado em filmes termocontrÁteis e filmes termocontrÁteis. | |
US6632680B1 (en) * | 2000-09-22 | 2003-10-14 | Deslauriers Paul J. | Measurement of short chain branching in olefin copolymers using chemometric analysis |
US6673892B2 (en) | 2002-04-29 | 2004-01-06 | Eastman Chemical Company | Process for reducing residual free radical polymerizable monomer content of polymers |
AU2003292779A1 (en) * | 2002-12-27 | 2004-07-29 | Nof Corporation | METHOD FOR PRODUCING HYDROXYL-MODIFIED ETHYLENE-Alpha-OLEFIN COPOLYMER |
US7285617B2 (en) * | 2004-10-08 | 2007-10-23 | Exxonmobil Chemical Patents Inc. | Oxygen tailoring of polyethylene blow molding resins |
US7803629B2 (en) * | 2006-06-27 | 2010-09-28 | Chevron Phillips Chemical Company, Lp | Method for employing SEC-FTIR data to predict mechanical properties of polyethylene |
US7399809B1 (en) * | 2007-01-11 | 2008-07-15 | Equistar Chemicals, Lp | Modifying polyethylene made by Ziegler or single-site catalyst with free radical initiator |
US8586676B2 (en) | 2010-03-09 | 2013-11-19 | Exxonmobil Chemical Patents Inc. | Polymer compositions and articles made therefrom |
CN107810224A (zh) * | 2015-06-29 | 2018-03-16 | Sabic环球技术有限责任公司 | 自由基引发剂组合物用于减少聚乙烯材料中的凝胶的用途 |
EP3327077A1 (en) * | 2016-11-24 | 2018-05-30 | SABIC Global Technologies B.V. | Process or use for the production of polyethylene materials having a reduced gel content |
RU2754663C2 (ru) * | 2017-01-27 | 2021-09-06 | Эквистар Кемикалз, Лп | Модифицированный пероксидом полиэтилен, составы и применение |
WO2022129409A1 (en) * | 2020-12-18 | 2022-06-23 | Borealis Ag | Modification of polyethylene terpolymer |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE581218A (es) * | 1958-07-30 | |||
NL284632A (es) * | 1959-01-27 | |||
FR1377951A (fr) * | 1963-01-09 | 1964-11-06 | Huels Chemische Werke Ag | Procédé pour la dégradation thermique commandée de thermoplastes |
BE779419A (fr) * | 1971-02-17 | 1972-06-16 | Snam Progetti | Procede de fabrication de polyethylene modifie de haute densiteet polyethylene modifie ainsi obtenu |
US3956253A (en) * | 1972-09-16 | 1976-05-11 | Ruhrchemie Aktiengesellschaft | Polyethylene molding compounds of high-wear resistance |
US4015058A (en) * | 1974-11-27 | 1977-03-29 | Union Carbide Corporation | Composition with dicumyl peroxide and process for avoiding scorching of ethylene polymer composition |
US4025706A (en) * | 1974-11-27 | 1977-05-24 | Union Carbide Corporation | Composition with peroxides and process for avoiding scorching of ethylene polymer composition |
US4006283A (en) * | 1974-12-23 | 1977-02-01 | General Electric Company | Preparation of di-tertiary butyl peroxide crosslink polyolefin materials |
-
1981
- 1981-06-22 FR FR8112184A patent/FR2508047B1/fr not_active Expired
-
1982
- 1982-05-26 EP EP82400965A patent/EP0069603B2/fr not_active Expired - Lifetime
- 1982-05-26 DE DE8282400965T patent/DE3263649D1/de not_active Expired
- 1982-05-26 AT AT82400965T patent/ATE13187T1/de not_active IP Right Cessation
- 1982-06-18 PT PT75072A patent/PT75072B/pt not_active IP Right Cessation
- 1982-06-21 ES ES513309A patent/ES513309A0/es active Granted
- 1982-06-21 CA CA000405643A patent/CA1169198A/en not_active Expired
- 1982-06-22 JP JP57107518A patent/JPS585330A/ja active Granted
- 1982-06-25 US US06/392,021 patent/US4460750A/en not_active Ceased
-
1988
- 1988-11-04 US US07/267,548 patent/USRE33269E/en not_active Expired - Fee Related
- 1988-12-30 MY MY146/88A patent/MY8800146A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2508047B1 (fr) | 1985-10-11 |
FR2508047A1 (fr) | 1982-12-24 |
EP0069603A1 (fr) | 1983-01-12 |
MY8800146A (en) | 1988-12-31 |
JPH0246052B2 (es) | 1990-10-12 |
PT75072A (en) | 1982-07-01 |
JPS585330A (ja) | 1983-01-12 |
ATE13187T1 (de) | 1985-05-15 |
DE3263649D1 (en) | 1985-06-13 |
ES513309A0 (es) | 1983-03-16 |
US4460750A (en) | 1984-07-17 |
USRE33269E (en) | 1990-07-17 |
PT75072B (en) | 1983-12-28 |
EP0069603B2 (fr) | 1990-10-31 |
CA1169198A (en) | 1984-06-12 |
EP0069603B1 (fr) | 1985-05-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970612 |