FIELD: technological processes.
SUBSTANCE: group of inventions relates to a device for injecting a fluid composition into a molten polymeric material and a method for using same. Device (2) comprises first pump (8) and gear pump (12) arranged in series in the fluid stream between reservoir (4) for the fluid composition to be injected and the outlet of the device. First pump (8) is selected from a diaphragm pump and a progressing cavity pump.
EFFECT: group of inventions is aimed at providing effective dosing of a wide range of types of compositions.
30 cl, 11 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| APPARATUS AND METHOD FOR INTRODUCING FLUID COMPOSITION INTO MOLTEN POLYMER MATERIAL | 2016 |
|
RU2708859C2 |
| FOAMED POROUS DIAPHRAGMS MADE OF THERMOPLASTIC POLYMERS AND METHOD AND DEVICE FOR MAKING SUCH DIAPHRAGMS | 1999 |
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| POLYMER MATERIALS | 2011 |
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| METHOD OF PREPARING OF FINE-DISPERSED SOLID PHARMACEUTICAL SUBSTANCE | 1991 |
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| POLYMER MATERIALS | 2016 |
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| POLYMER COMPOSITION BY CONTINUOUS FILLER SLURRY EXTRUSION | 2014 |
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| METHOD OF DOSING ADDITIVES INTO MOLTEN POLYMERS | 2005 |
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| DEVICE FOR INJECTION OF LIQUID | 2004 |
|
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