DE2120601B2 - Verfahren und vorrichtung zum verarbeiten und entgasen thermisch empfindlicher pulverfoermiger thermoplaste - Google Patents
Verfahren und vorrichtung zum verarbeiten und entgasen thermisch empfindlicher pulverfoermiger thermoplasteInfo
- Publication number
- DE2120601B2 DE2120601B2 DE19712120601 DE2120601A DE2120601B2 DE 2120601 B2 DE2120601 B2 DE 2120601B2 DE 19712120601 DE19712120601 DE 19712120601 DE 2120601 A DE2120601 A DE 2120601A DE 2120601 B2 DE2120601 B2 DE 2120601B2
- Authority
- DE
- Germany
- Prior art keywords
- zone
- screw
- melt
- powdery
- degassed
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 19
- 238000007872 degassing Methods 0.000 title claims description 10
- 229920001169 thermoplastic Polymers 0.000 title claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 title claims 2
- 239000000463 material Substances 0.000 claims description 19
- 239000000155 melt Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000012815 thermoplastic material Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 1
- 210000003298 dental enamel Anatomy 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 claims 1
- 238000010298 pulverizing process Methods 0.000 claims 1
- 238000010792 warming Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- 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
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
- B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
- B29B7/847—Removing of gaseous components before or after mixing
-
- 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
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/426—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with consecutive casings or screws, e.g. for charging, discharging, mixing
-
- 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
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/86—Component parts, details or accessories; Auxiliary operations for working at sub- or superatmospheric pressure
-
- 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
- B29C48/25—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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712120601 DE2120601B2 (de) | 1971-04-27 | 1971-04-27 | Verfahren und vorrichtung zum verarbeiten und entgasen thermisch empfindlicher pulverfoermiger thermoplaste |
CH372372A CH534043A (de) | 1971-04-27 | 1972-03-14 | Verfahren und Vorrichtung mit zwei Schneckenpressen in Kaskadenanordnung zum Verarbeiten und Entgasen pulverförmiger thermoplastischer Kunststoffe |
BE780683A BE780683A (fr) | 1971-04-27 | 1972-03-15 | Procede et presse a vis a montage en cascade avec chambre a vide, pour le travail et la degazeification de matieres thermoplastiques pulverulentes |
AT224672A AT334609B (de) | 1971-04-27 | 1972-03-16 | Verfahren und vorrichtung zum verarbeiten von thermisch empfindlichen, thermoplastischen kunststoffen |
IT49717/72A IT957639B (it) | 1971-04-27 | 1972-04-18 | Perfezionamento nelle presse a coclea disposte in cascata per la lavorazione di materiali termo plastici polverulenti |
GB1913772A GB1375237A (enrdf_load_stackoverflow) | 1971-04-27 | 1972-04-25 | |
JP4256372A JPS559290B1 (enrdf_load_stackoverflow) | 1971-04-27 | 1972-04-26 | |
FR7214866A FR2134549B1 (enrdf_load_stackoverflow) | 1971-04-27 | 1972-04-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712120601 DE2120601B2 (de) | 1971-04-27 | 1971-04-27 | Verfahren und vorrichtung zum verarbeiten und entgasen thermisch empfindlicher pulverfoermiger thermoplaste |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2120601A1 DE2120601A1 (de) | 1972-11-23 |
DE2120601B2 true DE2120601B2 (de) | 1973-08-09 |
Family
ID=5806097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19712120601 Ceased DE2120601B2 (de) | 1971-04-27 | 1971-04-27 | Verfahren und vorrichtung zum verarbeiten und entgasen thermisch empfindlicher pulverfoermiger thermoplaste |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS559290B1 (enrdf_load_stackoverflow) |
AT (1) | AT334609B (enrdf_load_stackoverflow) |
BE (1) | BE780683A (enrdf_load_stackoverflow) |
CH (1) | CH534043A (enrdf_load_stackoverflow) |
DE (1) | DE2120601B2 (enrdf_load_stackoverflow) |
FR (1) | FR2134549B1 (enrdf_load_stackoverflow) |
GB (1) | GB1375237A (enrdf_load_stackoverflow) |
IT (1) | IT957639B (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2458776A1 (de) * | 1974-12-12 | 1976-06-16 | Kabel Metallwerke Ghh | Verfahren zur herstellung von durch aufpfropfen einer silanverbindung in anwesenheit von feuchtigkeit vernetzbaren thermoplasten oder elastomeren |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2744337A1 (de) | 1977-10-01 | 1979-04-12 | Berstorff Gmbh Masch Hermann | Antriebsvorrichtung fuer kaskadenextruder |
CA1138612A (en) * | 1979-06-08 | 1983-01-04 | Avinash C. Saxena | Method and apparatus for drying wet polymerized materials |
GB8306947D0 (en) * | 1983-03-14 | 1983-04-20 | Ici Plc | Vented melter for thermoplastic polymers |
US4529320A (en) * | 1983-09-14 | 1985-07-16 | Usm Corporation | Rotary processors and method for devolatilizing materials |
NL8400082A (nl) * | 1984-01-10 | 1985-08-01 | Wavin Bv | Werkwijze en inrichting voor het spuitgieten van pvc-produkten. |
US4711647A (en) * | 1985-05-02 | 1987-12-08 | Barmag Aktiengesellschaft | Process and apparatus for degassing liquids, especially polymer melts and solutions |
FR2621272B1 (fr) * | 1987-10-06 | 1990-03-30 | Mcneil Akron Repiquet Sarl | Procede et machine pour la fabrication d'un produit fini par extrusion a partir d'une matiere thermoplastique extrudable de nature hygroscopique |
DE3833777A1 (de) * | 1987-10-08 | 1989-05-03 | Barmag Barmer Maschf | Hochgeschwindigkeitsextrusion mit der extruder-zahnradpumpe-kombination |
NL8800904A (nl) * | 1988-04-08 | 1989-11-01 | Reko Bv | Werkwijze voor het verwerken van een thermoplastisch polycondensatie-polymeer. |
IT1243378B (it) * | 1990-07-27 | 1994-06-10 | Loctite Corp | Procedimento ed impianto per l'erogazione particolarmente di un prodotto sigillante/adesivo |
DE4027261C1 (enrdf_load_stackoverflow) * | 1990-08-29 | 1991-12-12 | Continental Gummi-Werke Ag | |
DE4437994C1 (de) * | 1994-10-25 | 1996-07-04 | Hoechst Ag | Entgasungsvorrichtung und ihre Verwendung |
DE10054226A1 (de) * | 2000-11-02 | 2002-05-08 | Buehler Ag | Verfahren zur Verarbeitung eines Polykondensats in einem Mehrwellen-Extruder |
EP3053725A1 (de) * | 2015-02-06 | 2016-08-10 | LANXESS Deutschland GmbH | Stopfschnecke |
EP3564005B1 (de) * | 2018-05-02 | 2021-01-13 | Buss AG | Misch- und knetmaschine, und deren verwendung |
AT524541B1 (de) * | 2021-04-07 | 2022-07-15 | Engel Austria Gmbh | Vorrichtung zum Entgasen und Verfahren zum Entgasen einer plastifizierten Masse |
CN115592833A (zh) * | 2021-07-07 | 2023-01-13 | 厦门昊兆科技有限公司(Cn) | 环保结粒机 |
CN115501641A (zh) * | 2022-09-14 | 2022-12-23 | 上海永鸿机电设备科技有限公司 | 用于高压下连续进出料的超临界二氧化碳萃取系统及萃取分离工艺 |
CN118789787B (zh) * | 2024-09-12 | 2024-12-20 | 晋江市民富鞋材有限公司 | 一种挤塑机 |
-
1971
- 1971-04-27 DE DE19712120601 patent/DE2120601B2/de not_active Ceased
-
1972
- 1972-03-14 CH CH372372A patent/CH534043A/de not_active IP Right Cessation
- 1972-03-15 BE BE780683A patent/BE780683A/xx unknown
- 1972-03-16 AT AT224672A patent/AT334609B/de not_active IP Right Cessation
- 1972-04-18 IT IT49717/72A patent/IT957639B/it active
- 1972-04-25 GB GB1913772A patent/GB1375237A/en not_active Expired
- 1972-04-26 JP JP4256372A patent/JPS559290B1/ja active Pending
- 1972-04-26 FR FR7214866A patent/FR2134549B1/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2458776A1 (de) * | 1974-12-12 | 1976-06-16 | Kabel Metallwerke Ghh | Verfahren zur herstellung von durch aufpfropfen einer silanverbindung in anwesenheit von feuchtigkeit vernetzbaren thermoplasten oder elastomeren |
Also Published As
Publication number | Publication date |
---|---|
FR2134549B1 (enrdf_load_stackoverflow) | 1976-03-12 |
FR2134549A1 (enrdf_load_stackoverflow) | 1972-12-08 |
BE780683A (fr) | 1972-07-03 |
DE2120601A1 (de) | 1972-11-23 |
AT334609B (de) | 1976-01-25 |
GB1375237A (enrdf_load_stackoverflow) | 1974-11-27 |
IT957639B (it) | 1973-10-20 |
CH534043A (de) | 1973-02-28 |
JPS559290B1 (enrdf_load_stackoverflow) | 1980-03-08 |
ATA224672A (de) | 1976-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BHV | Refusal |