DE3276941D1 - Improved linear medium or low-density polyethylene composition - Google Patents
Improved linear medium or low-density polyethylene compositionInfo
- Publication number
- DE3276941D1 DE3276941D1 DE8282305555T DE3276941T DE3276941D1 DE 3276941 D1 DE3276941 D1 DE 3276941D1 DE 8282305555 T DE8282305555 T DE 8282305555T DE 3276941 T DE3276941 T DE 3276941T DE 3276941 D1 DE3276941 D1 DE 3276941D1
- Authority
- DE
- Germany
- Prior art keywords
- low
- density polyethylene
- polyethylene composition
- linear medium
- improved linear
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- 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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2810/00—Chemical modification of a polymer
- C08F2810/20—Chemical modification of a polymer leading to a crosslinking, either explicitly or inherently
-
- 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
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Graft Or Block Polymers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56168725A JPS5871904A (ja) | 1981-10-23 | 1981-10-23 | 変性エチレン−αオレフィン共重合体の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3276941D1 true DE3276941D1 (en) | 1987-09-17 |
Family
ID=15873265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282305555T Expired DE3276941D1 (en) | 1981-10-23 | 1982-10-19 | Improved linear medium or low-density polyethylene composition |
Country Status (4)
Country | Link |
---|---|
US (1) | US4465812A (de) |
EP (1) | EP0079687B1 (de) |
JP (1) | JPS5871904A (de) |
DE (1) | DE3276941D1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4578430A (en) * | 1984-12-19 | 1986-03-25 | Shell Oil Company | Controlled degradation or cracking of alpha-olefin polymers |
US4703093A (en) * | 1985-01-16 | 1987-10-27 | Colonial Rubber Works, Inc. | Method of preparing a polymer for cross-link rotational molding and a polymer prepared by said method |
US4797235A (en) * | 1987-04-16 | 1989-01-10 | W. R. Grace & Co. | Process for enhanced orientation of polymeric films |
US5089352A (en) * | 1987-04-16 | 1992-02-18 | W. R. Grace & Co.-Conn. | Cross-linked multilayer heat-shrinkable oriented polymeric film |
JPS6465146A (en) * | 1987-09-04 | 1989-03-10 | Idemitsu Petrochemical Co | Modified linear polyethylene composition of medium to low density |
US5110870A (en) * | 1989-01-06 | 1992-05-05 | Mitsubishi Kasei Corporation | Extensible film or sheet and process for producing the same |
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 |
US5486575A (en) * | 1994-03-08 | 1996-01-23 | Quantum Chemical Corporation | High performance blow molding resins and process for their preparation |
CN1068018C (zh) * | 1994-05-09 | 2001-07-04 | 陶氏化学公司 | 中等模量的薄膜及制造方法 |
US5773106A (en) * | 1994-10-21 | 1998-06-30 | The Dow Chemical Company | Polyolefin compositions exhibiting heat resistivity, low hexane-extractives and controlled modulus |
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 |
DE69619603T2 (de) * | 1995-07-28 | 2002-09-26 | Tosoh Corp | Formmasse, Zusammensetzung die diese Formmasse enthält und Verfahren zu deren Herstellung |
JP5190349B2 (ja) * | 2008-12-24 | 2013-04-24 | 日本ポリエチレン株式会社 | 押出し成形用ポリエチレン系樹脂、その製造方法、及び得られる押出し成形品 |
BR112014011929B1 (pt) | 2011-11-16 | 2020-04-14 | Chevron Phillips Chemical Co Lp | misturas poliméricas e métodos de usar as mesmas |
EP3313899B1 (de) * | 2015-06-29 | 2021-12-22 | SABIC Global Technologies B.V. | Verwendung einer freien radikalen initiatoren zusammensetzung zur verminderung von gelen in polyethylenmaterialien |
JP6536280B2 (ja) * | 2015-08-18 | 2019-07-03 | キョーラク株式会社 | 発泡成形用樹脂、発泡成形体の製造方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3079370A (en) * | 1955-05-18 | 1963-02-26 | Gen Electric | Peroxide cured polyethylene |
NL234639A (de) * | 1957-12-26 | |||
BE581218A (de) * | 1958-07-30 | |||
US3105057A (en) * | 1958-11-06 | 1963-09-24 | Cabot Corp | Peroxide cured ethylene-butene compositions |
US3242159A (en) * | 1961-11-27 | 1966-03-22 | Pullman Inc | Treatment of linear polyethylene |
NL298986A (de) * | 1963-01-09 | 1900-01-01 | ||
DE1952073C3 (de) * | 1969-10-16 | 1974-05-02 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Verfahren zum Vernetzen von Polyolefinen und Olefincopolymerisaten |
JPS5148196B2 (de) * | 1972-03-11 | 1976-12-18 | ||
DE2324993C3 (de) * | 1973-05-15 | 1976-12-30 | Beiersdorf Ag | 4'-dehydro-oleandrin, verfahren zu dessen herstellung sowie ein diese verbindung enthaltendes pharmazeutisches praeparat |
DE2442230C2 (de) * | 1974-09-04 | 1983-04-07 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Polyäthylenfolienmaterial |
JPS5927692B2 (ja) * | 1975-12-29 | 1984-07-07 | ニホンセキユカガク カブシキガイシヤ | カンジヨウフイルムノセイゾウホウ |
JPS57107518A (en) * | 1980-12-25 | 1982-07-05 | Fujitsu Ltd | Matrix switch driving system |
FR2508047B1 (fr) * | 1981-06-22 | 1985-10-11 | Bp Chimie Sa | Procede de traitement de polyethylene de basse densite lineaire par des peroxydes organiques, generateurs de radicaux libres |
-
1981
- 1981-10-23 JP JP56168725A patent/JPS5871904A/ja active Granted
-
1982
- 1982-09-29 US US06/427,202 patent/US4465812A/en not_active Expired - Fee Related
- 1982-10-19 DE DE8282305555T patent/DE3276941D1/de not_active Expired
- 1982-10-19 EP EP82305555A patent/EP0079687B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5871904A (ja) | 1983-04-28 |
US4465812A (en) | 1984-08-14 |
EP0079687A3 (en) | 1985-03-27 |
EP0079687A2 (de) | 1983-05-25 |
JPS6242921B2 (de) | 1987-09-10 |
EP0079687B1 (de) | 1987-08-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0072750A3 (en) | Improved polyethylene composition | |
DE3470168D1 (en) | Polyethylene composition | |
DE3175183D1 (en) | Porous polyethylene film | |
DE3267663D1 (en) | Cling-wrap polyethylene film | |
GB2090602B (en) | Polymer composition | |
GB2109685B (en) | Deodorant composition | |
DE3276001D1 (en) | Absorbent composition | |
GB2093055B (en) | Thermochromic materials | |
DE3274875D1 (en) | Polyolefin resin composition | |
GB2092164B (en) | Loght or radiation-sensitive polymer composition | |
DE3276941D1 (en) | Improved linear medium or low-density polyethylene composition | |
DE3277772D1 (en) | Thermoplastic composition | |
JPS57195145A (en) | Thermoplastic forming composition | |
JPS57129788A (en) | Electrochromic-printing medium | |
MY8700668A (en) | Ether compounds their production and an insecticidal and/or acarigidal composition containing the same | |
DE3269057D1 (en) | Polyethylene compositions | |
DE3271983D1 (en) | Polyolefin composition | |
GB2109025B (en) | Recording materials | |
JPS5766757A (en) | Continuous deodorant using unglazed material as medium | |
DE3467899D1 (en) | Ultrahigh-molecular-weight polyethylene composition | |
JPS57145139A (en) | Thermoplastic composition | |
JPS56100060A (en) | Deodorant composition | |
DE3479811D1 (en) | Ultrahigh-molecular-weight polyethylene composition | |
GB8400034D0 (en) | Linear low density polyethylene | |
JPS57200159A (en) | Deodorant composition |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8331 | Complete revocation |