MY118208A - Process for producing thermoplastics - Google Patents
Process for producing thermoplasticsInfo
- 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
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.
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) |
-
1997
- 1997-09-26 MY MYPI97004497A patent/MY118208A/en unknown
- 1997-09-26 AR ARP970104441A patent/AR009371A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AR009371A1 (en) | 2000-04-12 |
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