IT1004572B - Procedimento ed apparecchio per essiccare materiali polimerici - Google Patents
Procedimento ed apparecchio per essiccare materiali polimericiInfo
- Publication number
- IT1004572B IT1004572B IT69706/73A IT6970673A IT1004572B IT 1004572 B IT1004572 B IT 1004572B IT 69706/73 A IT69706/73 A IT 69706/73A IT 6970673 A IT6970673 A IT 6970673A IT 1004572 B IT1004572 B IT 1004572B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- polymeric materials
- drying polymeric
- drying
- materials
- Prior art date
Links
- 238000001035 drying Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
- F26B17/20—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined
-
- 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
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
-
- 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
- B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
-
- 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
- B29C48/50—Details of extruders
- B29C48/76—Venting, drying means; Degassing means
- B29C48/762—Vapour stripping
-
- 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
- B29C48/50—Details of extruders
- B29C48/76—Venting, drying means; Degassing means
- B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
- B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
- B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
-
- 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
-
- 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
- B29K2021/00—Use of unspecified rubbers as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Drying Of Solid Materials (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00289567A US3834440A (en) | 1972-09-15 | 1972-09-15 | Method for drying polymeric materials |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1004572B true IT1004572B (it) | 1976-07-20 |
Family
ID=23112092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT69706/73A IT1004572B (it) | 1972-09-15 | 1973-09-12 | Procedimento ed apparecchio per essiccare materiali polimerici |
Country Status (12)
Country | Link |
---|---|
US (1) | US3834440A (it) |
JP (1) | JPS4968944A (it) |
AR (1) | AR197527A1 (it) |
BE (1) | BE804861A (it) |
CA (1) | CA1012721A (it) |
DE (1) | DE2346213A1 (it) |
FR (1) | FR2200094B1 (it) |
GB (1) | GB1407900A (it) |
IN (1) | IN139390B (it) |
IT (1) | IT1004572B (it) |
NL (1) | NL7312689A (it) |
ZA (1) | ZA737186B (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1590532A (en) * | 1976-08-04 | 1981-06-03 | Exxon Research Engineering Co | Elastomer extrusion drying with gas injection |
DE2721848C2 (de) * | 1977-05-14 | 1982-12-02 | Bayer Ag, 5090 Leverkusen | Verfahren zum Konzentrieren von Lösungen mit gleichzeitiger Erstarrung |
JPS5520321Y2 (it) * | 1977-06-14 | 1980-05-15 | ||
CH695764A5 (de) * | 1992-12-31 | 2006-08-31 | Antogi Ag | Doppelschneckenpresse. |
US6150498A (en) * | 1996-07-12 | 2000-11-21 | The Dow Chemical Company | Polymer recovery |
US7406779B2 (en) * | 2003-05-30 | 2008-08-05 | Michelin Recherche Et Technique S.A. | Variable die for use in drying synthetic elastomers |
US7858735B2 (en) * | 2009-05-29 | 2010-12-28 | Exxonmobil Chemical Patents Inc. | Method and apparatus for elastomer finishing |
KR101684040B1 (ko) * | 2012-03-26 | 2016-12-07 | 아사히 가세이 케미칼즈 가부시키가이샤 | 고무상 중합체의 제조 방법 |
ES2877135T3 (es) * | 2016-02-04 | 2021-11-16 | Continuus Pharmaceuticals Inc | Secador de tambor continuo y métodos de utilización del mismo |
CN112902647A (zh) * | 2021-03-25 | 2021-06-04 | 河南鼎隆新材料科技有限公司 | 处理工业副产石膏用三轴高效预干燥装置 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2970991A (en) * | 1961-02-07 | cines | ||
US23948A (en) * | 1859-05-10 | Edward a | ||
US2615199A (en) * | 1945-05-15 | 1952-10-28 | Welding Engineers | Material treating apparatus |
GB734182A (en) * | 1950-10-31 | 1955-07-27 | Welding Engineers | Apparatus and process for extruding plastic materials by worm means |
US2719325A (en) * | 1951-12-13 | 1955-10-04 | Hercules Powder Co Ltd | Method and apparatus for mixing plastic compositions |
US2774105A (en) * | 1954-04-27 | 1956-12-18 | Du Pont | Extraction-extrusion apparatus |
US2733051A (en) * | 1954-09-30 | 1956-01-31 | R street | |
DE1132318B (de) * | 1955-10-26 | 1962-06-28 | Wacker Chemie Gmbh | Trocknung von Vinylsuspensions- und -emulsions-Polymerisaten |
BE570207A (it) * | 1957-08-15 | 1900-01-01 | ||
GB864916A (en) * | 1958-01-24 | 1961-04-12 | Phillips Petroleum Co | Improvements relating to extrusion of plastic material |
US3025565A (en) * | 1958-05-28 | 1962-03-20 | Wacker Chemie Gmbh | Process and apparatus for granulating and forming plastic masses |
US3067462A (en) * | 1959-06-10 | 1962-12-11 | Blaw Knox Co | Extruder for drying synthetic rubber |
FR1264165A (fr) * | 1959-07-09 | 1961-06-19 | Phillips Petroleum Co | Procédé et appareil pour extruder une matière plastique |
US3078511A (en) * | 1960-03-31 | 1963-02-26 | Welding Engineers | Treatment of plastic materials |
DE1779922A1 (de) * | 1961-02-17 | 1972-01-13 | Internat Basic Economy Corp | Vorrichtung zum Entfernen von Fluessigkeit aus Elastomeren |
US3240746A (en) * | 1962-02-19 | 1966-03-15 | Phillips Petroleum Co | Removal of water from solid elastomers |
US3280090A (en) * | 1962-02-19 | 1966-10-18 | Phillips Petroleum Co | Removal of catalyst residues from olefin polymers |
US3177272A (en) * | 1962-05-29 | 1965-04-06 | Owens Illinois Glass Co | Method of coloring plastic extrudate |
US3211209A (en) * | 1962-10-16 | 1965-10-12 | Monsanto Co | Apparatus for changing the volatile content of viscous materials |
CH420580A (de) * | 1965-02-08 | 1966-09-15 | Buss Ag | Einrichtung zum Entgasen von plastischen Massen in Schneckenmaschinen |
US3395746A (en) * | 1965-12-13 | 1968-08-06 | Union Carbide Corp | Method for devolatilizing liquid polymer compositions |
US3476736A (en) * | 1966-04-14 | 1969-11-04 | Phillips Petroleum Co | Solvent removal from polyolefin in vented extruder with water addition |
US3477491A (en) * | 1968-01-16 | 1969-11-11 | Shell Oil Co | Wiped-film evaporator |
DE1719453C3 (de) * | 1968-02-15 | 1979-08-30 | Werner & Pfleiderer, 7000 Stuttgart | Verfahren zum kontinuierlichen Verdampfen von Lösungsmitteln aus Kunststofflösungen |
US3512266A (en) * | 1968-06-24 | 1970-05-19 | Phillips Petroleum Co | Drying polymeric material |
US4007545A (en) * | 1972-01-14 | 1977-02-15 | International Basic Economy Corporation | Method for adjusting temperature and pressure of a fluid |
-
1972
- 1972-09-15 US US00289567A patent/US3834440A/en not_active Expired - Lifetime
-
1973
- 1973-08-17 CA CA179,084A patent/CA1012721A/en not_active Expired
- 1973-09-10 IN IN2070/CAL/73A patent/IN139390B/en unknown
- 1973-09-10 ZA ZA00737186A patent/ZA737186B/xx unknown
- 1973-09-11 GB GB4264573A patent/GB1407900A/en not_active Expired
- 1973-09-12 IT IT69706/73A patent/IT1004572B/it active
- 1973-09-13 AR AR250067A patent/AR197527A1/es active
- 1973-09-13 DE DE19732346213 patent/DE2346213A1/de not_active Withdrawn
- 1973-09-14 FR FR7333101A patent/FR2200094B1/fr not_active Expired
- 1973-09-14 NL NL7312689A patent/NL7312689A/xx not_active Application Discontinuation
- 1973-09-14 BE BE135653A patent/BE804861A/xx not_active IP Right Cessation
- 1973-09-14 JP JP48103374A patent/JPS4968944A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA1012721A (en) | 1977-06-28 |
BE804861A (fr) | 1974-03-14 |
ZA737186B (en) | 1975-03-26 |
IN139390B (it) | 1976-06-12 |
DE2346213A1 (de) | 1974-03-28 |
NL7312689A (it) | 1974-03-19 |
GB1407900A (en) | 1975-10-01 |
FR2200094B1 (it) | 1978-01-13 |
US3834440A (en) | 1974-09-10 |
AR197527A1 (es) | 1974-04-15 |
JPS4968944A (it) | 1974-07-04 |
FR2200094A1 (it) | 1974-04-19 |
AU6019173A (en) | 1975-03-13 |
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