IT1110001B - Impianto integrato di estrusione e formazione di un polimero nel prodotto finale,direttamente dal reattore - Google Patents
Impianto integrato di estrusione e formazione di un polimero nel prodotto finale,direttamente dal reattoreInfo
- Publication number
- IT1110001B IT1110001B IT19311/79A IT1931179A IT1110001B IT 1110001 B IT1110001 B IT 1110001B IT 19311/79 A IT19311/79 A IT 19311/79A IT 1931179 A IT1931179 A IT 1931179A IT 1110001 B IT1110001 B IT 1110001B
- Authority
- IT
- Italy
- Prior art keywords
- reactor
- polymer
- directly
- final product
- integrated extrusion
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/96—Safety devices
- B29C48/965—Personnel safety, e.g. safety for the operator
-
- 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
- B29C48/03—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
- 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
- B29C48/768—Venting, drying means; Degassing means outside the apparatus, e.g. after the die
-
- 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
- B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
-
- 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
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/865—Heating
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/91—Heating, e.g. for cross linking
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
-
- 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
- B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
- B29C48/37—Gear pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/812—Venting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/869,746 US4192637A (en) | 1978-01-16 | 1978-01-16 | Integrated system for forming sheets and films of synthetic resins |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7919311A0 IT7919311A0 (it) | 1979-01-16 |
IT1110001B true IT1110001B (it) | 1985-12-23 |
Family
ID=25354188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19311/79A IT1110001B (it) | 1978-01-16 | 1979-01-16 | Impianto integrato di estrusione e formazione di un polimero nel prodotto finale,direttamente dal reattore |
Country Status (6)
Country | Link |
---|---|
US (1) | US4192637A (it) |
DE (1) | DE2901505A1 (it) |
FR (1) | FR2414396A1 (it) |
GB (1) | GB2012208B (it) |
IT (1) | IT1110001B (it) |
NL (1) | NL7900348A (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4612245A (en) * | 1981-07-31 | 1986-09-16 | W. R. Grace & Co., Cryovac Div. | Blown bubble process for producing oriented thin films |
US4606879A (en) * | 1985-02-28 | 1986-08-19 | Cerisano Frank D | High stalk blown film extrusion apparatus and method |
US4699580A (en) * | 1985-12-12 | 1987-10-13 | Co Yee Tiat O | Blown film tube diameter control apparatus |
US4927574A (en) * | 1988-12-21 | 1990-05-22 | Mobil Oil Corp. | Water bath film cooling apparatus and method |
US5345399A (en) * | 1992-07-06 | 1994-09-06 | Union Camp Corporation | System and method for monitoring and controlling the width of a product |
TW309465B (it) * | 1995-07-05 | 1997-07-01 | Eastman Chem Co | |
US6922608B2 (en) * | 1997-02-21 | 2005-07-26 | Daniel R. Joseph | Method and apparatus for lay flat control in an extruded film production line |
US7906598B2 (en) * | 2006-08-30 | 2011-03-15 | Intertape Polymer Corp. | Recirculation loop reactor bulk polymerization process |
US20100105847A1 (en) | 2006-01-24 | 2010-04-29 | Intertape Polymer Corp. | Plug flow bulk polymerization of vinyl monomers |
US7621737B2 (en) * | 2006-07-19 | 2009-11-24 | 3M Innovative Properties Company | Die with insert and gas purging method for die |
MX2009000464A (es) * | 2006-08-30 | 2009-04-28 | Intertape Polymer Corp | Proceso de polimerizacion en masa de reactor de recirculacion tipo bucle. |
ITMI20080201A1 (it) * | 2008-02-08 | 2009-08-09 | Marina Scremin | Dispositivo per la regolazione del gradiente termico in parti di macchine per la lavorazione di materie plastiche |
US11446854B2 (en) | 2019-12-16 | 2022-09-20 | Daniel R. Joseph | Method and apparatus for calibration of blown-film extrusion apparatus |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH294346A (de) * | 1950-01-27 | 1953-11-15 | Bayer Ag | Verfahren und Vorrichtung zur Herstellung von geformten Gebilden aus Polyamiden. |
GB763746A (en) * | 1953-07-15 | 1956-12-19 | Inventa Ag | Process for the continuous polymerisation of ª[-caprolactam |
US3170011A (en) * | 1962-02-14 | 1965-02-16 | Dow Chemical Co | Method and apparatus for making film |
US3353209A (en) * | 1963-10-11 | 1967-11-21 | Husky Mfg Tool Works Ltd | Distribution system for thermoplastic molding materials |
US3579728A (en) * | 1965-07-09 | 1971-05-25 | Phillips Petroleum Co | Polymer separation |
DE1720422A1 (de) * | 1966-12-27 | 1971-07-08 | Czeskoslovenske Zd Y Gumarensk | Anlage zur Durchfuehrung eines kontinuierlichen Herstellungsverfahrens von alkalischem Polyamid |
US3821339A (en) * | 1972-06-19 | 1974-06-28 | Dow Chemical Co | Film size control apparatus and method |
US3902832A (en) * | 1974-05-09 | 1975-09-02 | Gk Systems Inc | Manufacture of blown film |
DE2555848A1 (de) * | 1975-12-11 | 1977-06-23 | Windmoeller & Hoelscher | Kuehlvorrichtung fuer mittels eines folienblaskopfes hergestellte kunststoff-schlauchfolien mit luftkuehlung |
-
1978
- 1978-01-16 US US05/869,746 patent/US4192637A/en not_active Expired - Lifetime
-
1979
- 1979-01-15 GB GB791383A patent/GB2012208B/en not_active Expired
- 1979-01-16 DE DE19792901505 patent/DE2901505A1/de not_active Withdrawn
- 1979-01-16 IT IT19311/79A patent/IT1110001B/it active
- 1979-01-16 FR FR7900988A patent/FR2414396A1/fr active Pending
- 1979-01-16 NL NL7900348A patent/NL7900348A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE2901505A1 (de) | 1979-07-19 |
FR2414396A1 (fr) | 1979-08-10 |
IT7919311A0 (it) | 1979-01-16 |
GB2012208A (en) | 1979-07-25 |
NL7900348A (nl) | 1979-07-18 |
GB2012208B (en) | 1982-08-18 |
US4192637A (en) | 1980-03-11 |
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