ES474200A1 - Procedimiento para mejorar las propiedades de transformacionde poliolefinas en polvo. - Google Patents
Procedimiento para mejorar las propiedades de transformacionde poliolefinas en polvo.Info
- Publication number
- ES474200A1 ES474200A1 ES474200A ES474200A ES474200A1 ES 474200 A1 ES474200 A1 ES 474200A1 ES 474200 A ES474200 A ES 474200A ES 474200 A ES474200 A ES 474200A ES 474200 A1 ES474200 A1 ES 474200A1
- Authority
- ES
- Spain
- Prior art keywords
- improving
- gap
- powder
- polyolefins
- powdery
- 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
- 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
- C08J3/12—Powdering or granulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/08—Making granules by agglomerating smaller particles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Procedimiento para mejorar las propiedades de transformación de poliolefinas en polvo, caracterizado porque el polvo de poliolefinas se calienta hasta una temperatura comprendida entre 40º C y su punto de fusión, con preferencia entre 80º y 95º C, y a continuación es conducido a la abertura formada por dos elementos, donde se prensa con fuerzas de compresión de 0,1 hasta 10 t/cm, con preferencia de 0,8 hasta 2 t/cm de largo de abertura, y se tritura el material prensado.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772747204 DE2747204A1 (de) | 1977-10-21 | 1977-10-21 | Verfahren zum verbessern der verarbeitungseigenschaften von pulverfoermigen polyolefinen |
Publications (1)
Publication Number | Publication Date |
---|---|
ES474200A1 true ES474200A1 (es) | 1979-05-16 |
Family
ID=6021892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES474200A Expired ES474200A1 (es) | 1977-10-21 | 1978-10-13 | Procedimiento para mejorar las propiedades de transformacionde poliolefinas en polvo. |
Country Status (13)
Country | Link |
---|---|
US (1) | US4248819A (es) |
EP (1) | EP0001766A3 (es) |
JP (1) | JPS5470355A (es) |
AR (1) | AR219349A1 (es) |
AT (1) | AT366397B (es) |
AU (1) | AU518887B2 (es) |
BR (1) | BR7806924A (es) |
CA (1) | CA1127819A (es) |
DE (1) | DE2747204A1 (es) |
ES (1) | ES474200A1 (es) |
IN (1) | IN149949B (es) |
IT (1) | IT1100134B (es) |
ZA (1) | ZA785906B (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4434118A (en) | 1980-12-23 | 1984-02-28 | Stauffer Chemical Company | Compacting polycarbonate and copoly(carbonate/phosphonate) particles |
JPS61501695A (ja) * | 1984-03-29 | 1986-08-14 | アメリカン ヘキスト コ−ポレイシヨン | 改良されたポリエチレン成形組成物およびその製法 |
DE3528892A1 (de) * | 1985-08-12 | 1987-02-19 | Wacker Chemie Gmbh | Verfahren zur verbesserung der weiterverarbeitungseigenschaften von polymeren |
US5032338A (en) * | 1985-08-19 | 1991-07-16 | Allied-Signal Inc. | Method to prepare high strength ultrahigh molecular weight polyolefin articles by dissolving particles and shaping the solution |
GB2320456B (en) * | 1996-12-18 | 2001-09-05 | Fip Holdings Ltd | Polymer processing method |
GB2378705B (en) | 1998-08-26 | 2003-03-26 | Pvaxx Technologies Ltd | PVA-Containing compositions |
GB0005016D0 (en) * | 2000-03-01 | 2000-04-26 | Jumik Technologies Limited | PVA-Containing compositions |
DE102004018436B4 (de) * | 2004-04-16 | 2014-07-03 | Coperion Gmbh | Verfahren sowie Vorrichtung zur Bereitstellung eines Polymer-Granulats |
CN107107389B (zh) | 2014-11-07 | 2020-05-19 | 沙特基础工业全球技术有限公司 | 用于制造致密聚合物粉末的方法、以及熔融处理致密聚合物粉末的方法 |
US20230330896A1 (en) * | 2020-07-16 | 2023-10-19 | Manuel Medina Cortes | Dry pelletizing process by high impact and compression |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE966185C (de) * | 1953-04-04 | 1957-07-11 | Basf Ag | Verfahren zur Verbesserung der Eigenschaften von Polyaethylen |
US3152201A (en) * | 1961-01-03 | 1964-10-06 | Du Pont | Manufacture of polytetrafluoroethylene powders |
US3261900A (en) * | 1962-10-24 | 1966-07-19 | Dow Chemical Co | Method for enhancing the clarity and gloss of polyethylene film |
US3339850A (en) * | 1965-09-21 | 1967-09-05 | Allied Chem | Pulverized polyethylene |
US3617590A (en) * | 1966-12-29 | 1971-11-02 | Harry O Neukomm | Process for producing thermoplastic filter material |
US3663674A (en) * | 1969-07-01 | 1972-05-16 | Gulf Research Development Co | Densification of poly-alpha-olefins |
US3733383A (en) * | 1970-07-09 | 1973-05-15 | Ici Ltd | Deformation of polymeric materials |
JPS5017106B1 (es) * | 1970-12-16 | 1975-06-18 | ||
US3822177A (en) * | 1971-06-01 | 1974-07-02 | Union Carbide Corp | Thermoplastic pellets and method of producing shaped articles therefrom |
US3767748A (en) * | 1971-07-28 | 1973-10-23 | Kewanee Oil Co | Process of extrusion without distortion of extrudate |
US4014965A (en) * | 1972-11-24 | 1977-03-29 | The Dow Chemical Company | Process for scrapless forming of plastic articles |
US3988401A (en) * | 1973-08-27 | 1976-10-26 | Union Carbide Corporation | Compression molding of thermoplastic material |
-
1977
- 1977-10-21 DE DE19772747204 patent/DE2747204A1/de not_active Withdrawn
-
1978
- 1978-10-11 EP EP78101119A patent/EP0001766A3/de not_active Withdrawn
- 1978-10-13 ES ES474200A patent/ES474200A1/es not_active Expired
- 1978-10-16 IN IN1118/CAL/78A patent/IN149949B/en unknown
- 1978-10-19 AT AT0752378A patent/AT366397B/de not_active IP Right Cessation
- 1978-10-19 AR AR274144A patent/AR219349A1/es active
- 1978-10-19 US US05/952,662 patent/US4248819A/en not_active Expired - Lifetime
- 1978-10-19 AU AU40866/78A patent/AU518887B2/en not_active Expired
- 1978-10-19 IT IT28907/78A patent/IT1100134B/it active
- 1978-10-20 ZA ZA00785906A patent/ZA785906B/xx unknown
- 1978-10-20 JP JP12864278A patent/JPS5470355A/ja active Pending
- 1978-10-20 BR BR7806924A patent/BR7806924A/pt unknown
- 1978-10-20 CA CA313,824A patent/CA1127819A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0001766A2 (de) | 1979-05-16 |
ATA752378A (de) | 1981-08-15 |
BR7806924A (pt) | 1979-07-03 |
DE2747204A1 (de) | 1979-05-03 |
IT1100134B (it) | 1985-09-28 |
JPS5470355A (en) | 1979-06-06 |
EP0001766A3 (de) | 1979-07-11 |
AU4086678A (en) | 1980-04-24 |
IT7828907A0 (it) | 1978-10-19 |
IN149949B (es) | 1982-06-12 |
CA1127819A (en) | 1982-07-20 |
ZA785906B (en) | 1979-10-31 |
US4248819A (en) | 1981-02-03 |
AR219349A1 (es) | 1980-08-15 |
AT366397B (de) | 1982-04-13 |
AU518887B2 (en) | 1981-10-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES474200A1 (es) | Procedimiento para mejorar las propiedades de transformacionde poliolefinas en polvo. | |
ES2007423A6 (es) | Procedimiento para la obtencion de polvora de carga propulsora. | |
CA1032586A (en) | Method and apparatus for the production of high quality powders | |
ES8703093A1 (es) | Procedimiento para la consolidacion previa continua asi como la simultanea conformacion de materiales pulverulentos finamente divididos. | |
ES479565A1 (es) | Procedimiento de compresion para la produccion de suposito- rios. | |
ZA805677B (en) | Method and apparatus for the production of mouldings from thermoplastics material whose partially crystalline state can be adjusted by physical effects, more particularly temperature effects | |
IT1128741B (it) | Procedimento per la produzione di parti di macchine im polvere metallica e prodotto ottenuto | |
ES381632A1 (es) | Procedimiento para la preparacion de carburo de calcio de determinada calidad. | |
GB944214A (en) | Process for the manufacture of foamed structures from plasticized polyvinyl chloridecompositions | |
ES8400122A1 (es) | Procedimiento para la obtencion de nitrocelulosa fluida como la arena. | |
JPS5222520A (en) | Production process of anisotropic crystalline lead | |
ZA766999B (en) | Process and apparatus for the production of objects or articles made from agglomerated ligneous particles | |
JPS57193337A (en) | Crosslinking molding extruding machine | |
CA956011A (en) | Method and means for regulating the operation of apparatus for the production and processing of cigarettes of the like | |
JPS5426945A (en) | Friction-pressure-welding method for copper and aluminum | |
GB1196955A (en) | Method and Apparatus for treating Plasticizable Materials in a Worm Machine | |
JPS57118337A (en) | Manufacture of magnetron anode | |
CA537233A (en) | Method and apparatus for producing and treating films of thermoplastic material and the products resulting therefrom | |
CA524921A (en) | Method and apparatus for the production of articles moulded under pressure and at high temperatures | |
CA824732A (en) | Process for the manufacture of stabilized polytetrafluoroethylene dispersions | |
CA824195A (en) | Process for the manufacture of stabilized polytetrafluoroethylene dispersions | |
GB1307246A (en) | Method and apparatus for processing a macromolecular thermoplastic material | |
AU226321B2 (en) | Process for improving the mechanical and processing properties of linear high polymers of propylene | |
CA817328A (en) | Process and furnace for the manufacture of carbon products | |
CA716996A (en) | Process and apparatus for the production of carbon black |