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PA6.6 and speciality polyamides flysheet

Zimmer® multi-autoclave process for PA6.6 and other speciality polyamides.

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To produce the nylon polyamide PA6.6 an AH-Salt solution is either created from the monomers adipic acid and hexamethylenediamine (HMD) or by dissolving solid AH-Salt with water.

This nylon salt solution is added to the concentration unit where water is evaporated to increase the salt concentration. It is then transferred to the autoclave where the polycondensation reaction takes place.

Additives can be blended to the concentration unit and polycondensation unit. Multiple autoclaves in parallel ensure a continuous solid state polycondensation (SSP) after chip production.

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