BR7905684A - Processo para extrusao de polimeros de etileno - Google Patents
Processo para extrusao de polimeros de etilenoInfo
- Publication number
- BR7905684A BR7905684A BR7905684A BR7905684A BR7905684A BR 7905684 A BR7905684 A BR 7905684A BR 7905684 A BR7905684 A BR 7905684A BR 7905684 A BR7905684 A BR 7905684A BR 7905684 A BR7905684 A BR 7905684A
- Authority
- BR
- Brazil
- Prior art keywords
- extrusion
- ethylene polymers
- polymers
- ethylene
- Prior art date
Links
Classifications
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
-
- 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
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94000578A | 1978-09-06 | 1978-09-06 | |
US06/064,399 US4343755A (en) | 1978-09-06 | 1979-08-08 | Process for extruding ethylene polymers |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7905684A true BR7905684A (pt) | 1980-05-27 |
Family
ID=26744472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7905684A BR7905684A (pt) | 1978-09-06 | 1979-09-04 | Processo para extrusao de polimeros de etileno |
Country Status (14)
Country | Link |
---|---|
US (1) | US4343755A (pt) |
EP (1) | EP0010592A1 (pt) |
AU (1) | AU528508B2 (pt) |
BR (1) | BR7905684A (pt) |
CA (1) | CA1147921A (pt) |
DK (1) | DK370679A (pt) |
EG (1) | EG14640A (pt) |
ES (1) | ES483946A1 (pt) |
FI (1) | FI792731A (pt) |
GR (1) | GR73813B (pt) |
IL (1) | IL58174A (pt) |
NO (1) | NO792862L (pt) |
NZ (1) | NZ191487A (pt) |
PT (1) | PT70148A (pt) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4310484A (en) * | 1980-08-01 | 1982-01-12 | Union Carbide Corporation | Method for extruding molten narrow molecular weight distribution, linear, ethylene copolymers |
US4321229A (en) * | 1980-10-22 | 1982-03-23 | Union Carbide Corporation | Method for extruding linear polyolefin materials having high viscosities |
US4350657A (en) * | 1980-11-04 | 1982-09-21 | Union Carbide Corporation | Low-energy extruder-pump system |
US4329313A (en) * | 1980-11-12 | 1982-05-11 | Union Carbide Corporation | Apparatus and method for extruding ethylene polymers |
US5019633A (en) * | 1980-12-24 | 1991-05-28 | Technology Corporation | Catalyst composition for polymerizing ethylene |
US4532189A (en) * | 1982-02-19 | 1985-07-30 | W. R. Grace & Co., Cryovac Div. | Linear polyethylene shrink films |
GR78137B (pt) * | 1982-05-03 | 1984-09-26 | Union Carbide Corp | |
US4461734A (en) * | 1982-09-13 | 1984-07-24 | Union Carbide Corporation | Process for plasticization and pumping of low bulk density plastics |
US4617241A (en) * | 1984-01-23 | 1986-10-14 | W. R. Grace & Co., Cryovac Div. | Linear polyethylene stretch/shrink films |
US4551380A (en) * | 1984-05-10 | 1985-11-05 | W. R. Grace & Co., Cryovac Div. | Oriented heat-sealable multilayer packaging film |
US4514465A (en) * | 1984-05-30 | 1985-04-30 | W. R. Grace & Co., Cryovac Div. | Storm window film comprising at least five layers |
US4861846A (en) * | 1985-03-22 | 1989-08-29 | Union Carbidae Corporation | Process for simultaneously dimerizing ethylene and copolymerizing ethylene with the dimerized product |
US4895688A (en) * | 1988-10-24 | 1990-01-23 | Oji Paper Co., Ltd. | Method of producing a support for photographic paper |
DE4333233C2 (de) * | 1993-09-30 | 1995-10-12 | Berstorff Gmbh Masch Hermann | Schmelzeabdichteinrichtung an Extrudern für thermoplastische Kunststoffe oder Kautschuk |
US5677375A (en) * | 1995-07-21 | 1997-10-14 | Union Carbide Chemicals & Plastics Technology Corporation | Process for producing an in situ polyethylene blend |
US6152701A (en) * | 1998-02-24 | 2000-11-28 | Intevep, S.A. | Method for designing a pipeline system for transporting a fluid subject to deterioration at elevated pressure and elevated temperature |
US6680361B1 (en) * | 1998-11-02 | 2004-01-20 | Dupont Dow Elastomers Llc | Shear thinning ethylene/α-olefin interpolymers and their preparation |
US7906586B2 (en) * | 2003-12-09 | 2011-03-15 | Dow Global Technologies Llc | Thermoplastic olefinic compositions |
US20050230875A1 (en) * | 2004-04-16 | 2005-10-20 | Risco Usa Corporation | Forming machine and method of forming material |
US20060017189A1 (en) * | 2004-04-16 | 2006-01-26 | Risco Usa Corporation | Molding arrangement and method including vacuum assisted ventilation |
US8840390B2 (en) | 2007-06-29 | 2014-09-23 | Risco Usa Corporation | Machine for the production of formed patties with a hand made appearance, and method for interleaving paper and stacking |
US11304423B2 (en) | 2018-05-01 | 2022-04-19 | Risco Usa Corporation | Apparatus, system, and method for high speed production of food product |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3344218A (en) * | 1967-09-26 | Retreatment of synthetic fibres | ||
US2702410A (en) * | 1951-06-21 | 1955-02-22 | Western Electric Co | Method of working and extruding plastic compounds |
US3248469A (en) * | 1961-08-28 | 1966-04-26 | Phillips Petroleum Co | High shear visbreaking method and apparatus |
NL283120A (pt) * | 1961-09-28 | |||
US3517095A (en) * | 1963-08-14 | 1970-06-23 | Du Pont | Extrusion process |
US3486192A (en) * | 1967-03-24 | 1969-12-30 | Union Carbide Corp | Apparatus for extrusion of thermoplastics |
JPS4740892Y1 (pt) * | 1968-05-01 | 1972-12-11 | ||
US3472829A (en) * | 1968-06-10 | 1969-10-14 | Exxon Research Engineering Co | Process for broadening the molecular weight distribution in polymers |
US3596320A (en) * | 1968-11-15 | 1971-08-03 | Allied Chem | Apparatus for melting and dispersion of thermoplastic polymers |
US3906065A (en) * | 1970-04-28 | 1975-09-16 | Dynamit Nobel Ag | Process for the production of shaped, marbled thermoplastic products |
US3756574A (en) * | 1971-06-17 | 1973-09-04 | Union Carbide Corp | Thermoplastic material mixing |
US3730492A (en) * | 1971-06-17 | 1973-05-01 | Union Carbide Corp | Mixing of thermoplastic materials |
US3962205A (en) * | 1973-03-06 | 1976-06-08 | National Research Development Corporation | Polymer materials |
US4082880A (en) * | 1973-11-22 | 1978-04-04 | Du Pont Of Canada Limited | Paper-like thermoplastic film |
US3975473A (en) * | 1974-09-12 | 1976-08-17 | Union Carbide Corporation | Process for production of cellular thermoplastic bodies |
US4093692A (en) * | 1977-03-21 | 1978-06-06 | Gulf Oil Corporation | Melt extrusion process |
US4243619A (en) * | 1978-03-31 | 1981-01-06 | Union Carbide Corporation | Process for making film from low density ethylene hydrocarbon copolymer |
-
1979
- 1979-08-08 US US06/064,399 patent/US4343755A/en not_active Expired - Lifetime
- 1979-08-30 CA CA000334821A patent/CA1147921A/en not_active Expired
- 1979-09-03 FI FI792731A patent/FI792731A/fi not_active Application Discontinuation
- 1979-09-04 IL IL58174A patent/IL58174A/xx unknown
- 1979-09-04 AU AU50563/79A patent/AU528508B2/en not_active Ceased
- 1979-09-04 BR BR7905684A patent/BR7905684A/pt unknown
- 1979-09-04 NO NO792862A patent/NO792862L/no unknown
- 1979-09-05 EG EG535/79A patent/EG14640A/xx active
- 1979-09-05 GR GR59980A patent/GR73813B/el unknown
- 1979-09-05 EP EP79103307A patent/EP0010592A1/en not_active Withdrawn
- 1979-09-05 NZ NZ191487A patent/NZ191487A/xx unknown
- 1979-09-05 PT PT70148A patent/PT70148A/pt unknown
- 1979-09-05 DK DK370679A patent/DK370679A/da not_active Application Discontinuation
- 1979-09-06 ES ES483946A patent/ES483946A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1147921A (en) | 1983-06-14 |
NZ191487A (en) | 1982-05-25 |
PT70148A (en) | 1979-10-01 |
DK370679A (da) | 1980-03-07 |
NO792862L (no) | 1980-03-07 |
FI792731A (fi) | 1980-03-07 |
GR73813B (pt) | 1984-04-18 |
EG14640A (en) | 1984-09-30 |
US4343755A (en) | 1982-08-10 |
AU528508B2 (en) | 1983-05-05 |
IL58174A (en) | 1982-12-31 |
IL58174A0 (en) | 1979-12-30 |
ES483946A1 (es) | 1980-04-16 |
AU5056379A (en) | 1980-03-13 |
EP0010592A1 (en) | 1980-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B15K | Others concerning applications: alteration of classification |
Ipc: B29C 47/38 (2006.01), B29C 47/00 (2006.0 |