MY118208A - Process for producing thermoplastics - Google Patents

Process for producing thermoplastics

Info

Publication number
MY118208A
MY118208A MYPI97004497A MYPI9704497A MY118208A MY 118208 A MY118208 A MY 118208A MY PI97004497 A MYPI97004497 A MY PI97004497A MY PI9704497 A MYPI9704497 A MY PI9704497A MY 118208 A MY118208 A MY 118208A
Authority
MY
Malaysia
Prior art keywords
extruder
weight
elastomer component
section
dewatering
Prior art date
Application number
MYPI97004497A
Inventor
Bernhard Czauderna
Elmar Mailahn
Hilmar Ohlig
Jurgen Hofmann
Klaus Bus
Norbert Guntherberg
Sven Grabowski
Original Assignee
Basf Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Basf Ag filed Critical Basf Ag
Publication of MY118208A publication Critical patent/MY118208A/en

Links

Landscapes

  • Processes Of Treating Macromolecular Substances (AREA)
  • Graft Or Block Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

IN THE PREPARATION OF TOUGHENED THERMOPLASTICS OR POLYMER BLENDS CONTAINING TOUGHENED THERMOPLASTICS, THE THERMOPLASTICS OR THE POLYMER BLENDS COMPRISING A) FROM 5 TO 95BY WEIGHT OF AT LEAST ONE WATER-MOIST ELASTOMER COMPONENT A CONTAINING UP TO 60BY WEIGHT OF RESIDUAL WATER, B) FROM 5 TO 95BY WEIGHT OF AT LEAST ONE THERMOPLASTIC POLYMER B, C) FROM 0 TO 95BY WEIGHT OF AT LEAST ONE FURTHER POLYMER C, AND D) FROM 0 TO 70BY WEIGHT OF ADDITIVES D, BY MIXING THE ELASTOMER COMPONENT A WITH THE THERMOPLASTIC POLYMER B AND, IF PRESENT, THE FURTHER POLYMER C AND, IF PRESENT, THE ADDITIVES D IN AN EXTRUDER WITH MECHANICAL DEWATERING OF THE ELASTOMER COMPONENT A,THE COMPONENTS A, B, C AND D ARE FED TO AN EXTRUDER WHICH HAS AT LEAST TWO SCREWS ROTATING IN THE SAME DIRECTION OR IN OPPOSITE DIRECTIONS AND HAVING A SCREW DIAMETER DSCREW, AND, IN THE CONVEYING DIRECTION (DOWNSTREAM), THE EXTRUDER BEING ESSENTIALLY COMPOSED OF-AT LEAST ONE METERING SECTION IN WHICH ELASTOMER COMPONENT A IS FED TO THE EXTRUDER BY A METERING MEANS,-AT LEAST ONE SQUEEZE SECTION WHICH SERVES FOR DEWATERING THE ELASTOMER COMPONENT A AND CONTAINS AT LEAST ONE RETARDING ELEMENT AND IN EACH CASE AT LEAST ONE ASSOCIATED DEWATERING ORIFICE WHICH IS PRESENT UPSTREAM OF THE (FIRST) RETARDING ELEMENT BY A DISTANCE CORRESPONDING TO AT LEAST ONE SCREW DIAMETER DSCREW,-AT LEAST ONE FEED SECTION IN WHICH THE THERMOPLASTIC POLYMER B IS INTRODUCED AS A MELT INTO THE EXTRUDER,-AT LEAST ONE PLASTICATION SECTION PROVIDED WITH MIXING AND/OR KNEADING ELEMENTS,-AT LEAST ONE DEVOLATILIZATION SECTION WHICH IS PROVIDED WITH AT LEAST ONE DEVOLATILIZATION ORIFICE AND IN WHICH THE REMAINING WATER IS REMOVED AS STEAM, AND-A DISHARGE ZONE, SOME OR ALL OF THE WATER EMERGING FROM THE DEWATERING ORIFICES IS PRESENT IN THE LIQUID PHASE, AND THE COMPONENTS C AND/OR D ARE FED TO ONE OR MORE OF THE STATED EXTRUDER SECTIONS TOGETHER OR SEPARATELY FROM ONE ANOTHER, EITHER TOGETHER WITH THE COMPONENTS A AND/OR B OR SEPARATELY FROM A AND B.
MYPI97004497A 1996-09-26 1997-09-26 Process for producing thermoplastics MY118208A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19639465 1996-09-26

Publications (1)

Publication Number Publication Date
MY118208A true MY118208A (en) 2004-09-30

Family

ID=45724551

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI97004497A MY118208A (en) 1996-09-26 1997-09-26 Process for producing thermoplastics

Country Status (2)

Country Link
AR (1) AR009371A1 (en)
MY (1) MY118208A (en)

Also Published As

Publication number Publication date
AR009371A1 (en) 2000-04-12

Similar Documents

Publication Publication Date Title
AU4773897A (en) Process for producing thermoplastics
TW370487B (en) Process for the preparation of toughened thermoplastics, toughened thermoplastic molding material obtainable thereby and use thereof
US3956438A (en) Process for extruding a partially foamed thermoplastic product
TW363915B (en) The preparation of toughened thermoplastics, toughened thermoplastics molding material obtained therefrom and its use
DK1075377T3 (en) Process and apparatus for continuous production of composites of polymer and cellulose fibers
TW360596B (en) Molding material and process thereof
JPS6471708A (en) Continuous manufacture of rubber mixture and another mixture containing filler using polymer as base
DE59907790D1 (en) Process for producing filled, modified and fiber-reinforced thermoplastics and twin-screw extruder for carrying out the process
FI953654A0 (en) Process for dispersing cellulose-based fibers in water and casting for plastic molding of cellulosic fiber products
CH423197A (en) Process for the production of glass fiber reinforced thermoplastics
GB8604673D0 (en) Treating viscous material
US3745200A (en) Extrusion method
US20050063246A1 (en) Mixing and kneading device for polymer compositions
MY118208A (en) Process for producing thermoplastics
NZ508601A (en) Plasticizing screw having feeding zone, compression zone and a metering zone in which the difference in the flow ratio of the feeding zone and the flow ratio of the metering zone is less than 0.2
TW363009B (en) Process for the preparation of toughened thermoplastics, the toughened thermoplastics molding material obtained therefrom and its application
JPS55101412A (en) Continuous extrusion molding method for colored plastics
GB1410979A (en) Process for the dispersion of blowing agents in thermoplastics
CA2037671A1 (en) Extruding a marbleized synthetic resin strand
JPS5789938A (en) Twin-screw type preheating feeder
JPS5528868A (en) Method of extruding plastic
Janssen Mixing in Counterrotating Twin-Screw Extruders
Schule et al. Determining the residence time behaviour in extruders
HUP9903269A3 (en) Process for producing thermoplastics
GB2214126A (en) Injection mould screws