Ultrasonic cleaning of polymer-contaminated objects - esp spinnerets, using application of hot solvent
The objects to be cleaned are contacted with a high boiling solvent (e.g. triethylene glycol) at a temp. near the b.pt., and the hot solvent is subjected, during the dissolving process, to the action of ultrasonic vibrations. Damage to objects (e.g. spinnerets) is avoided and contaminants are comple...
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| Format: | Patent |
| Sprache: | eng ; ger |
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| Zusammenfassung: | The objects to be cleaned are contacted with a high boiling solvent (e.g. triethylene glycol) at a temp. near the b.pt., and the hot solvent is subjected, during the dissolving process, to the action of ultrasonic vibrations. Damage to objects (e.g. spinnerets) is avoided and contaminants are completely removed. |
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