NL7414353A - Werkwijze voor het verminderen van de keten- lengte van polyalkenen. - Google Patents
Werkwijze voor het verminderen van de keten- lengte van polyalkenen.Info
- Publication number
- NL7414353A NL7414353A NL7414353A NL7414353A NL7414353A NL 7414353 A NL7414353 A NL 7414353A NL 7414353 A NL7414353 A NL 7414353A NL 7414353 A NL7414353 A NL 7414353A NL 7414353 A NL7414353 A NL 7414353A
- Authority
- NL
- Netherlands
- Prior art keywords
- polyalkenes
- reducing
- chain length
- chain
- length
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/50—Partial depolymerisation
-
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/29—Feeding the extrusion material to the extruder in liquid form
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US417796A US3898209A (en) | 1973-11-21 | 1973-11-21 | Process for controlling rheology of C{HD 3{B {30 {0 polyolefins |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7414353A true NL7414353A (nl) | 1975-05-23 |
Family
ID=23655431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7414353A NL7414353A (nl) | 1973-11-21 | 1974-11-04 | Werkwijze voor het verminderen van de keten- lengte van polyalkenen. |
Country Status (9)
Country | Link |
---|---|
US (1) | US3898209A (nl) |
JP (1) | JPS5085663A (nl) |
BE (1) | BE822398A (nl) |
CA (1) | CA1036298A (nl) |
DE (1) | DE2454650A1 (nl) |
FR (1) | FR2251576B1 (nl) |
GB (1) | GB1484187A (nl) |
IT (1) | IT1030816B (nl) |
NL (1) | NL7414353A (nl) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5358564A (en) * | 1976-11-08 | 1978-05-26 | Japan Steel Works Ltd | Method of controlling properties of thermoplastic resin |
US4448736A (en) * | 1982-05-24 | 1984-05-15 | Standard Oil Company (Indiana) | Continuous in-line melt flow rate control system |
US4515745A (en) * | 1983-05-18 | 1985-05-07 | Union Carbide Corporation | Modification of ethylene vinyl acetate copolymer |
JPS60127310A (ja) * | 1983-12-13 | 1985-07-08 | Mitsui Toatsu Chem Inc | 透明性、ブロツキング性、耐衝撃性に優れたポリプロピレンフイルム |
CA1257050A (en) * | 1984-10-29 | 1989-07-04 | Douglas C. Edwards | Low molecular weight polymer process |
US4578430A (en) * | 1984-12-19 | 1986-03-25 | Shell Oil Company | Controlled degradation or cracking of alpha-olefin polymers |
US4624993A (en) * | 1985-02-08 | 1986-11-25 | Moore And Munger, Inc. | Method for depolymerizing polymers |
US4677025A (en) * | 1985-08-30 | 1987-06-30 | Shell Oil Company | Unique molecular weight distribution polybutylene blend and film |
GB2206524B (en) * | 1987-07-08 | 1990-03-07 | Courtaulds Films & Packaging | Voided polypropylene films |
US5006608A (en) * | 1988-09-08 | 1991-04-09 | Exxon Chemical Patents, Inc. | Catalytic process for oxidative, shear accelerated polymer degradation |
FI112252B (fi) * | 1990-02-05 | 2003-11-14 | Fibervisions L P | Korkealämpötilasietoisia kuitusidoksia |
GB9111872D0 (en) * | 1991-06-03 | 1991-07-24 | Shell Int Research | Polymer process |
ATE178666T1 (de) * | 1992-01-13 | 1999-04-15 | Hercules Inc | Wärmeverbindbare fasern für wiederstandsfähige vliesstoffe |
SG50447A1 (en) * | 1993-06-24 | 1998-07-20 | Hercules Inc | Skin-core high thermal bond strength fiber on melt spin system |
US5718852A (en) * | 1994-05-10 | 1998-02-17 | The Clorox Company | Process controlling a blow molding machine |
FR2723880B1 (fr) * | 1994-08-30 | 1997-01-03 | Bp Chemicals Snc | Procede pour modifier un polyethylene dans une extrudeuse |
KR100373814B1 (ko) * | 1994-10-12 | 2003-05-16 | 킴벌리-클라크 월드와이드, 인크. | 용융압출가능한열가소성폴리프로필렌조성물및이로부터제조된부직웹 |
DE4437754A1 (de) * | 1994-10-21 | 1996-04-25 | Basf Ag | Verfahren zum thermomechanischen Abbau von Polyolefinen |
IL116430A (en) * | 1994-12-19 | 2000-08-13 | Hercules Inc | Process for preparing a polypropylene containing fiber |
US5738745A (en) * | 1995-11-27 | 1998-04-14 | Kimberly-Clark Worldwide, Inc. | Method of improving the photostability of polypropylene compositions |
US6060584A (en) * | 1998-05-13 | 2000-05-09 | Eastman Chemical Company | Process for the degradation of polyolefins |
US6433133B1 (en) | 1999-11-16 | 2002-08-13 | Eastman Chemical Company | Process for reducing the weight average molecular weight and melt index ratio of polyethylenes and polyethylene products |
US20050012235A1 (en) * | 2001-11-30 | 2005-01-20 | Schregenberger Sandra D | Oxygen tailoring of polyethylene resins |
AU2002342028A1 (en) * | 2001-11-30 | 2003-06-17 | Exxonmobil Chemical Patents Inc. | Oxygen tailoring of polyethylene resins |
US8202940B2 (en) | 2004-08-19 | 2012-06-19 | Univation Technologies, Llc | Bimodal polyethylene compositions for blow molding applications |
US7892466B2 (en) | 2004-08-19 | 2011-02-22 | Univation Technologies, Llc | Oxygen tailoring of polyethylene resins |
US20060038315A1 (en) * | 2004-08-19 | 2006-02-23 | Tunnell Herbert R Iii | Oxygen tailoring of polyethylene resins |
US7451600B2 (en) * | 2005-07-06 | 2008-11-18 | Pratt & Whitney Canada Corp. | Gas turbine engine combustor with improved cooling |
WO2012000022A1 (en) * | 2010-06-28 | 2012-01-05 | Polymers Crc Limited | Modification of propylene polymers |
DE102012222991A1 (de) * | 2012-12-12 | 2014-06-12 | Henkel Ag & Co. Kgaa | Verfahren zur Degradierung von (Co)polymeren |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE553174A (nl) * | 1955-12-06 | 1900-01-01 | ||
US2911384A (en) * | 1957-02-05 | 1959-11-03 | Sun Oil Co | Oxygenated crystalline polypropylene, method of making, and wax composition containing same |
US3087922A (en) * | 1958-05-13 | 1963-04-30 | Phillips Petroleum Co | Method and apparatus for pyrolyzing polymers |
US3144436A (en) * | 1961-01-04 | 1964-08-11 | Du Pont | Process for degrading stereoregular polymers |
US3551943A (en) * | 1966-12-19 | 1971-01-05 | Exxon Research Engineering Co | Controlled degradation |
US3608001A (en) * | 1969-08-26 | 1971-09-21 | Exxon Research Engineering Co | Controlled degradation of polypropylene in extruder-reactor |
US3563972A (en) * | 1969-10-15 | 1971-02-16 | Exxon Research Engineering Co | Low melt elasticity composition of polypropylene |
-
1973
- 1973-11-21 US US417796A patent/US3898209A/en not_active Expired - Lifetime
-
1974
- 1974-10-31 GB GB47151/74A patent/GB1484187A/en not_active Expired
- 1974-11-04 NL NL7414353A patent/NL7414353A/nl not_active Application Discontinuation
- 1974-11-14 CA CA213,681A patent/CA1036298A/en not_active Expired
- 1974-11-18 DE DE19742454650 patent/DE2454650A1/de not_active Withdrawn
- 1974-11-20 FR FR7438143A patent/FR2251576B1/fr not_active Expired
- 1974-11-20 IT IT29660/74A patent/IT1030816B/it active
- 1974-11-20 BE BE150683A patent/BE822398A/xx unknown
- 1974-11-21 JP JP49135048A patent/JPS5085663A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA1036298A (en) | 1978-08-08 |
FR2251576B1 (nl) | 1980-05-16 |
US3898209A (en) | 1975-08-05 |
DE2454650A1 (de) | 1975-05-22 |
GB1484187A (en) | 1977-09-01 |
BE822398A (fr) | 1975-05-20 |
IT1030816B (it) | 1979-04-10 |
FR2251576A1 (nl) | 1975-06-13 |
JPS5085663A (nl) | 1975-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
BV | The patent application has lapsed |