IT1132527B - PROCEDURE AND DEVICE FOR THE CONTINUOUS PRODUCTION OF POLYURETHANE - Google Patents
PROCEDURE AND DEVICE FOR THE CONTINUOUS PRODUCTION OF POLYURETHANEInfo
- Publication number
- IT1132527B IT1132527B IT23403/80A IT2340380A IT1132527B IT 1132527 B IT1132527 B IT 1132527B IT 23403/80 A IT23403/80 A IT 23403/80A IT 2340380 A IT2340380 A IT 2340380A IT 1132527 B IT1132527 B IT 1132527B
- Authority
- IT
- Italy
- Prior art keywords
- polyurethane
- procedure
- continuous production
- continuous
- production
- Prior art date
Links
- 238000010924 continuous production Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229920002635 polyurethane Polymers 0.000 title 1
- 239000004814 polyurethane Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0895—Manufacture of polymers by continuous processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
-
- 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
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same 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
- B29C48/05—Filamentary, e.g. strands
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Mechanical Engineering (AREA)
- Polyurethanes Or Polyureas (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 |
---|---|---|---|
CH652879 | 1979-07-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8023403A0 IT8023403A0 (en) | 1980-07-11 |
IT1132527B true IT1132527B (en) | 1986-07-02 |
Family
ID=4311014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23403/80A IT1132527B (en) | 1979-07-13 | 1980-07-11 | PROCEDURE AND DEVICE FOR THE CONTINUOUS PRODUCTION OF POLYURETHANE |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0032142A1 (en) |
BE (1) | BE884296A (en) |
DE (1) | DE3049740D2 (en) |
IT (1) | IT1132527B (en) |
WO (1) | WO1981000259A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4211777A1 (en) * | 1991-07-04 | 1993-01-07 | Bayer Ag | METHOD FOR PRODUCING ELASTOMERIC POLYURETHANES, ESPECIALLY IN THE FORM OF SHOE SOLES |
DE19520732A1 (en) | 1995-06-07 | 1996-12-12 | Bayer Ag | Thermoplastic polyurethane elastomers |
EP1110696A3 (en) * | 1999-12-21 | 2001-11-21 | General Electric Company | Continuous process to prepare silicone compositions |
US6391234B1 (en) * | 1999-12-21 | 2002-05-21 | General Electric Company | Compounding filled silicone compositions |
GB0019074D0 (en) * | 2000-08-03 | 2000-09-27 | Ranier Ltd | Precision polyurethane manufacture |
DE102006038197A1 (en) * | 2006-08-16 | 2008-02-21 | Kraussmaffei Technologies Gmbh | Apparatus and method for processing thermosets |
DE102010025995B4 (en) | 2010-07-04 | 2023-01-26 | Entex Rust & Mitschke Gmbh | Production of thermoplastic polyurethanes in an extruder |
DE102015114190A1 (en) * | 2015-08-26 | 2017-03-02 | Kraussmaffei Technologies Gmbh | Method for producing plastic injection molded parts and associated injection molding machine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1401613A (en) * | 1963-06-17 | 1965-06-04 | Celanese Corp | Apparatus for shearing and mixing materials |
BE759829A (en) * | 1969-12-03 | 1971-06-03 | Upjohn Co | PREPARATION OF POLYURETHANES |
DE2302564C3 (en) * | 1973-01-19 | 1985-02-07 | Bayer Ag, 5090 Leverkusen | Process for the production of polyurethane elastomers |
DE2549372C2 (en) * | 1975-11-04 | 1984-08-09 | Bayer Ag, 5090 Leverkusen | Process for the continuous production of polyurethane elastomers |
-
1980
- 1980-07-11 IT IT23403/80A patent/IT1132527B/en active
- 1980-07-14 DE DE80CH8000086T patent/DE3049740D2/en not_active Expired
- 1980-07-14 BE BE2/58647A patent/BE884296A/en not_active IP Right Cessation
- 1980-07-14 WO PCT/CH1980/000086 patent/WO1981000259A1/en not_active Application Discontinuation
-
1981
- 1981-02-09 EP EP80901230A patent/EP0032142A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
IT8023403A0 (en) | 1980-07-11 |
EP0032142A1 (en) | 1981-07-22 |
WO1981000259A1 (en) | 1981-02-05 |
BE884296A (en) | 1980-11-03 |
DE3049740D2 (en) | 1982-02-11 |
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